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netapi: Add stub for NetGroupAddUser.
[wine.git] / dlls / msvcrt / file.c
blobc1ba5fdfec438c287baffe3cfce09cfb39fe507a
1 /*
2 * msvcrt.dll file functions
3 *
4 * Copyright 1996,1998 Marcus Meissner
5 * Copyright 1996 Jukka Iivonen
6 * Copyright 1997,2000 Uwe Bonnes
7 * Copyright 2000 Jon Griffiths
8 * Copyright 2004 Eric Pouech
9 * Copyright 2004 Juan Lang
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 *
25 * TODO
26 * Use the file flag hints O_SEQUENTIAL, O_RANDOM, O_SHORT_LIVED
27 */
28
29 #include "config.h"
30 #include "wine/port.h"
31
32 #include <stdarg.h>
33 #include <stdio.h>
34 #ifdef HAVE_UNISTD_H
35 # include <unistd.h>
36 #endif
37 #include <sys/types.h>
38 #include <limits.h>
39
40 #include "windef.h"
41 #include "winbase.h"
42 #include "winternl.h"
43 #include "msvcrt.h"
44 #include "mtdll.h"
45
46 #include "wine/unicode.h"
47
48 #include "wine/debug.h"
49
50 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
51
52 /* for stat mode, permissions apply to all,owner and group */
53 #define ALL_S_IREAD (MSVCRT__S_IREAD | (MSVCRT__S_IREAD >> 3) | (MSVCRT__S_IREAD >> 6))
54 #define ALL_S_IWRITE (MSVCRT__S_IWRITE | (MSVCRT__S_IWRITE >> 3) | (MSVCRT__S_IWRITE >> 6))
55 #define ALL_S_IEXEC (MSVCRT__S_IEXEC | (MSVCRT__S_IEXEC >> 3) | (MSVCRT__S_IEXEC >> 6))
56
57 /* _access() bit flags FIXME: incomplete */
58 #define MSVCRT_W_OK 0x02
59 #define MSVCRT_R_OK 0x04
60
61 /* values for wxflag in file descriptor */
62 #define WX_OPEN 0x01
63 #define WX_ATEOF 0x02
64 #define WX_READNL 0x04 /* read started with \n */
65 #define WX_PIPE 0x08
66 #define WX_DONTINHERIT 0x10
67 #define WX_APPEND 0x20
68 #define WX_TTY 0x40
69 #define WX_TEXT 0x80
70
71 /* values for exflag - it's used differently in msvcr90.dll*/
72 #define EF_UTF8 0x01
73 #define EF_UTF16 0x02
74 #define EF_CRIT_INIT 0x04
75 #define EF_UNK_UNICODE 0x08
76
77 static char utf8_bom[3] = { 0xef, 0xbb, 0xbf };
78 static char utf16_bom[2] = { 0xff, 0xfe };
79
80 /* FIXME: this should be allocated dynamically */
81 #define MSVCRT_MAX_FILES 2048
82 #define MSVCRT_FD_BLOCK_SIZE 32
83
84 #define MSVCRT_INTERNAL_BUFSIZ 4096
85
86 /* ioinfo structure size is different in msvcrXX.dll's */
87 typedef struct {
88 HANDLE handle;
89 unsigned char wxflag;
90 char lookahead[3];
91 int exflag;
92 CRITICAL_SECTION crit;
93 #if _MSVCR_VER >= 80
94 char textmode : 7;
95 char unicode : 1;
96 char pipech2[2];
97 __int64 startpos;
98 BOOL utf8translations;
99 #endif
100 #if _MSVCR_VER >= 90
101 char dbcsBuffer;
102 BOOL dbcsBufferUsed;
103 #endif
104 } ioinfo;
105
106 /*********************************************************************
107 * __pioinfo (MSVCRT.@)
108 * array of pointers to ioinfo arrays [32]
109 */
110 ioinfo * MSVCRT___pioinfo[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { 0 };
111
112 /*********************************************************************
113 * __badioinfo (MSVCRT.@)
114 */
115 ioinfo MSVCRT___badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT };
116
117 static int MSVCRT_fdstart = 3; /* first unallocated fd */
118 static int MSVCRT_fdend = 3; /* highest allocated fd */
119
120 typedef struct {
121 MSVCRT_FILE file;
122 CRITICAL_SECTION crit;
123 } file_crit;
124
125 MSVCRT_FILE MSVCRT__iob[_IOB_ENTRIES] = { { 0 } };
126 static file_crit* MSVCRT_fstream[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE];
127 static int MSVCRT_max_streams = 512, MSVCRT_stream_idx;
128
129 /* INTERNAL: process umask */
130 static int MSVCRT_umask = 0;
131
132 /* INTERNAL: static data for tmpnam and _wtmpname functions */
133 static int tmpnam_unique;
134
135 static const unsigned int EXE = 'e' << 16 | 'x' << 8 | 'e';
136 static const unsigned int BAT = 'b' << 16 | 'a' << 8 | 't';
137 static const unsigned int CMD = 'c' << 16 | 'm' << 8 | 'd';
138 static const unsigned int COM = 'c' << 16 | 'o' << 8 | 'm';
139
140 #define TOUL(x) (ULONGLONG)(x)
141 static const ULONGLONG WCEXE = TOUL('e') << 32 | TOUL('x') << 16 | TOUL('e');
142 static const ULONGLONG WCBAT = TOUL('b') << 32 | TOUL('a') << 16 | TOUL('t');
143 static const ULONGLONG WCCMD = TOUL('c') << 32 | TOUL('m') << 16 | TOUL('d');
144 static const ULONGLONG WCCOM = TOUL('c') << 32 | TOUL('o') << 16 | TOUL('m');
145
146 /* This critical section protects the tables MSVCRT___pioinfo and MSVCRT_fstreams,
147 * and their related indexes, MSVCRT_fdstart, MSVCRT_fdend,
148 * and MSVCRT_stream_idx, from race conditions.
149 * It doesn't protect against race conditions manipulating the underlying files
150 * or flags; doing so would probably be better accomplished with per-file
151 * protection, rather than locking the whole table for every change.
152 */
153 static CRITICAL_SECTION MSVCRT_file_cs;
154 static CRITICAL_SECTION_DEBUG MSVCRT_file_cs_debug =
155 {
156 0, 0, &MSVCRT_file_cs,
157 { &MSVCRT_file_cs_debug.ProcessLocksList, &MSVCRT_file_cs_debug.ProcessLocksList },
158 0, 0, { (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs") }
159 };
160 static CRITICAL_SECTION MSVCRT_file_cs = { &MSVCRT_file_cs_debug, -1, 0, 0, 0, 0 };
161 #define LOCK_FILES() do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)
162 #define UNLOCK_FILES() do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)
163
164 static void msvcrt_stat64_to_stat(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat *buf)
165 {
166 buf->st_dev = buf64->st_dev;
167 buf->st_ino = buf64->st_ino;
168 buf->st_mode = buf64->st_mode;
169 buf->st_nlink = buf64->st_nlink;
170 buf->st_uid = buf64->st_uid;
171 buf->st_gid = buf64->st_gid;
172 buf->st_rdev = buf64->st_rdev;
173 buf->st_size = buf64->st_size;
174 buf->st_atime = buf64->st_atime;
175 buf->st_mtime = buf64->st_mtime;
176 buf->st_ctime = buf64->st_ctime;
177 }
178
179 static void msvcrt_stat64_to_stati64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stati64 *buf)
180 {
181 buf->st_dev = buf64->st_dev;
182 buf->st_ino = buf64->st_ino;
183 buf->st_mode = buf64->st_mode;
184 buf->st_nlink = buf64->st_nlink;
185 buf->st_uid = buf64->st_uid;
186 buf->st_gid = buf64->st_gid;
187 buf->st_rdev = buf64->st_rdev;
188 buf->st_size = buf64->st_size;
189 buf->st_atime = buf64->st_atime;
190 buf->st_mtime = buf64->st_mtime;
191 buf->st_ctime = buf64->st_ctime;
192 }
193
194 static void msvcrt_stat64_to_stat32(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat32 *buf)
195 {
196 buf->st_dev = buf64->st_dev;
197 buf->st_ino = buf64->st_ino;
198 buf->st_mode = buf64->st_mode;
199 buf->st_nlink = buf64->st_nlink;
200 buf->st_uid = buf64->st_uid;
201 buf->st_gid = buf64->st_gid;
202 buf->st_rdev = buf64->st_rdev;
203 buf->st_size = buf64->st_size;
204 buf->st_atime = buf64->st_atime;
205 buf->st_mtime = buf64->st_mtime;
206 buf->st_ctime = buf64->st_ctime;
207 }
208
209 static void msvcrt_stat64_to_stat64i32(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat64i32 *buf)
210 {
211 buf->st_dev = buf64->st_dev;
212 buf->st_ino = buf64->st_ino;
213 buf->st_mode = buf64->st_mode;
214 buf->st_nlink = buf64->st_nlink;
215 buf->st_uid = buf64->st_uid;
216 buf->st_gid = buf64->st_gid;
217 buf->st_rdev = buf64->st_rdev;
218 buf->st_size = buf64->st_size;
219 buf->st_atime = buf64->st_atime;
220 buf->st_mtime = buf64->st_mtime;
221 buf->st_ctime = buf64->st_ctime;
222 }
223
224 static void msvcrt_stat64_to_stat32i64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat32i64 *buf)
225 {
226 buf->st_dev = buf64->st_dev;
227 buf->st_ino = buf64->st_ino;
228 buf->st_mode = buf64->st_mode;
229 buf->st_nlink = buf64->st_nlink;
230 buf->st_uid = buf64->st_uid;
231 buf->st_gid = buf64->st_gid;
232 buf->st_rdev = buf64->st_rdev;
233 buf->st_size = buf64->st_size;
234 buf->st_atime = buf64->st_atime;
235 buf->st_mtime = buf64->st_mtime;
236 buf->st_ctime = buf64->st_ctime;
237 }
238
239 static void time_to_filetime( MSVCRT___time64_t time, FILETIME *ft )
240 {
241 /* 1601 to 1970 is 369 years plus 89 leap days */
242 static const __int64 secs_1601_to_1970 = ((369 * 365 + 89) * (__int64)86400);
243
244 __int64 ticks = (time + secs_1601_to_1970) * 10000000;
245 ft->dwHighDateTime = ticks >> 32;
246 ft->dwLowDateTime = ticks;
247 }
248
249 static inline ioinfo* get_ioinfo_nolock(int fd)
250 {
251 ioinfo *ret = NULL;
252 if(fd>=0 && fd<MSVCRT_MAX_FILES)
253 ret = MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE];
254 if(!ret)
255 return &MSVCRT___badioinfo;
256
257 return ret + (fd%MSVCRT_FD_BLOCK_SIZE);
258 }
259
260 static inline ioinfo* get_ioinfo(int fd)
261 {
262 ioinfo *ret = get_ioinfo_nolock(fd);
263 if(ret->exflag & EF_CRIT_INIT)
264 EnterCriticalSection(&ret->crit);
265 return ret;
266 }
267
268 static inline void release_ioinfo(ioinfo *info)
269 {
270 if(info->exflag & EF_CRIT_INIT)
271 LeaveCriticalSection(&info->crit);
272 }
273
274 static inline MSVCRT_FILE* msvcrt_get_file(int i)
275 {
276 file_crit *ret;
277
278 if(i >= MSVCRT_max_streams)
279 return NULL;
280
281 if(i < _IOB_ENTRIES)
282 return &MSVCRT__iob[i];
283
284 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE];
285 if(!ret) {
286 MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(file_crit));
287 if(!MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE]) {
288 ERR("out of memory\n");
289 *MSVCRT__errno() = MSVCRT_ENOMEM;
290 return NULL;
291 }
292
293 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] + (i%MSVCRT_FD_BLOCK_SIZE);
294 } else
295 ret += i%MSVCRT_FD_BLOCK_SIZE;
296
297 return &ret->file;
298 }
299
300 static inline BOOL msvcrt_is_valid_fd(int fd)
301 {
302 return fd >= 0 && fd < MSVCRT_fdend && (get_ioinfo_nolock(fd)->wxflag & WX_OPEN);
303 }
304
305 /* INTERNAL: Get the HANDLE for a fd
306 * This doesn't lock the table, because a failure will result in
307 * INVALID_HANDLE_VALUE being returned, which should be handled correctly. If
308 * it returns a valid handle which is about to be closed, a subsequent call
309 * will fail, most likely in a sane way.
310 */
311 static HANDLE msvcrt_fdtoh(int fd)
312 {
313 if (!msvcrt_is_valid_fd(fd))
314 {
315 WARN(":fd (%d) - no handle!\n",fd);
316 *MSVCRT___doserrno() = 0;
317 *MSVCRT__errno() = MSVCRT_EBADF;
318 return INVALID_HANDLE_VALUE;
319 }
320 if (get_ioinfo_nolock(fd)->handle == INVALID_HANDLE_VALUE)
321 WARN("returning INVALID_HANDLE_VALUE for %d\n", fd);
322 return get_ioinfo_nolock(fd)->handle;
323 }
324
325 /* INTERNAL: free a file entry fd */
326 static void msvcrt_free_fd(int fd)
327 {
328 ioinfo *fdinfo;
329
330 LOCK_FILES();
331 fdinfo = get_ioinfo_nolock(fd);
332 if(fdinfo != &MSVCRT___badioinfo)
333 {
334 fdinfo->handle = INVALID_HANDLE_VALUE;
335 fdinfo->wxflag = 0;
336 }
337 TRACE(":fd (%d) freed\n",fd);
338
339 if (fd < 3)
340 {
341 switch (fd)
342 {
343 case 0:
344 SetStdHandle(STD_INPUT_HANDLE, 0);
345 break;
346 case 1:
347 SetStdHandle(STD_OUTPUT_HANDLE, 0);
348 break;
349 case 2:
350 SetStdHandle(STD_ERROR_HANDLE, 0);
351 break;
352 }
353 }
354
355 if (fd == MSVCRT_fdend - 1)
356 MSVCRT_fdend--;
357 if (fd < MSVCRT_fdstart)
358 MSVCRT_fdstart = fd;
359 UNLOCK_FILES();
360 }
361
362 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */
363 /* caller must hold the files lock */
364 static int msvcrt_set_fd(HANDLE hand, int flag, int fd)
365 {
366 ioinfo *fdinfo;
367
368 if (fd >= MSVCRT_MAX_FILES)
369 {
370 WARN(":files exhausted!\n");
371 *MSVCRT__errno() = MSVCRT_ENFILE;
372 return -1;
373 }
374
375 fdinfo = get_ioinfo_nolock(fd);
376 if(fdinfo == &MSVCRT___badioinfo) {
377 int i;
378
379 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(ioinfo));
380 if(!MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE]) {
381 WARN(":out of memory!\n");
382 *MSVCRT__errno() = MSVCRT_ENOMEM;
383 return -1;
384 }
385
386 for(i=0; i<MSVCRT_FD_BLOCK_SIZE; i++)
387 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE][i].handle = INVALID_HANDLE_VALUE;
388
389 fdinfo = get_ioinfo_nolock(fd);
390 }
391
392 fdinfo->handle = hand;
393 fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT | WX_PIPE | WX_TTY));
394 fdinfo->lookahead[0] = '\n';
395 fdinfo->lookahead[1] = '\n';
396 fdinfo->lookahead[2] = '\n';
397 if(!(fdinfo->exflag & EF_CRIT_INIT))
398 InitializeCriticalSection(&fdinfo->crit);
399 fdinfo->exflag = EF_CRIT_INIT;
400
401 /* locate next free slot */
402 if (fd == MSVCRT_fdstart && fd == MSVCRT_fdend)
403 MSVCRT_fdstart = MSVCRT_fdend + 1;
404 else
405 while (MSVCRT_fdstart < MSVCRT_fdend &&
406 get_ioinfo_nolock(MSVCRT_fdstart)->handle != INVALID_HANDLE_VALUE)
407 MSVCRT_fdstart++;
408 /* update last fd in use */
409 if (fd >= MSVCRT_fdend)
410 MSVCRT_fdend = fd + 1;
411 TRACE("fdstart is %d, fdend is %d\n", MSVCRT_fdstart, MSVCRT_fdend);
412
413 switch (fd)
414 {
415 case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
416 case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
417 case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
418 }
419
420 return fd;
421 }
422
423 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
424 static int msvcrt_alloc_fd(HANDLE hand, int flag)
425 {
426 int ret;
427
428 LOCK_FILES();
429 TRACE(":handle (%p) allocating fd (%d)\n",hand,MSVCRT_fdstart);
430 ret = msvcrt_set_fd(hand, flag, MSVCRT_fdstart);
431 UNLOCK_FILES();
432 return ret;
433 }
434
435 /* INTERNAL: Allocate a FILE* for an fd slot */
436 /* caller must hold the files lock */
437 static MSVCRT_FILE* msvcrt_alloc_fp(void)
438 {
439 int i;
440 MSVCRT_FILE *file;
441
442 for (i = 3; i < MSVCRT_max_streams; i++)
443 {
444 file = msvcrt_get_file(i);
445 if (!file)
446 return NULL;
447
448 if (file->_flag == 0)
449 {
450 if (i == MSVCRT_stream_idx)
451 {
452 if (file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
453 {
454 InitializeCriticalSection(&((file_crit*)file)->crit);
455 ((file_crit*)file)->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": file_crit.crit");
456 }
457 MSVCRT_stream_idx++;
458 }
459 return file;
460 }
461 }
462
463 return NULL;
464 }
465
466 /* INTERNAL: initialize a FILE* from an open fd */
467 static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags)
468 {
469 TRACE(":fd (%d) allocating FILE*\n",fd);
470 if (!msvcrt_is_valid_fd(fd))
471 {
472 WARN(":invalid fd %d\n",fd);
473 *MSVCRT___doserrno() = 0;
474 *MSVCRT__errno() = MSVCRT_EBADF;
475 return -1;
476 }
477 file->_ptr = file->_base = NULL;
478 file->_cnt = 0;
479 file->_file = fd;
480 file->_flag = stream_flags;
481 file->_tmpfname = NULL;
482
483 TRACE(":got FILE* (%p)\n",file);
484 return 0;
485 }
486
487 /* INTERNAL: Create an inheritance data block (for spawned process)
488 * The inheritance block is made of:
489 * 00 int nb of file descriptor (NBFD)
490 * 04 char file flags (wxflag): repeated for each fd
491 * 4+NBFD HANDLE file handle: repeated for each fd
492 */
493 unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block)
494 {
495 int fd;
496 char* wxflag_ptr;
497 HANDLE* handle_ptr;
498 ioinfo* fdinfo;
499
500 *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
501 *block = MSVCRT_calloc(*size, 1);
502 if (!*block)
503 {
504 *size = 0;
505 return FALSE;
506 }
507 wxflag_ptr = (char*)*block + sizeof(unsigned);
508 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
509
510 *(unsigned*)*block = MSVCRT_fdend;
511 for (fd = 0; fd < MSVCRT_fdend; fd++)
512 {
513 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
514 fdinfo = get_ioinfo_nolock(fd);
515 if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
516 {
517 *wxflag_ptr = fdinfo->wxflag;
518 *handle_ptr = fdinfo->handle;
519 }
520 else
521 {
522 *wxflag_ptr = 0;
523 *handle_ptr = INVALID_HANDLE_VALUE;
524 }
525 wxflag_ptr++; handle_ptr++;
526 }
527 return TRUE;
528 }
529
530 /* INTERNAL: Set up all file descriptors,
531 * as well as default streams (stdin, stderr and stdout)
532 */
533 void msvcrt_init_io(void)
534 {
535 STARTUPINFOA si;
536 int i;
537 ioinfo *fdinfo;
538
539 GetStartupInfoA(&si);
540 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
541 {
542 BYTE* wxflag_ptr;
543 HANDLE* handle_ptr;
544 unsigned int count;
545
546 count = *(unsigned*)si.lpReserved2;
547 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
548 handle_ptr = (HANDLE*)(wxflag_ptr + count);
549
550 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
551 count = min(count, MSVCRT_MAX_FILES);
552 for (i = 0; i < count; i++)
553 {
554 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
555 msvcrt_set_fd(*handle_ptr, *wxflag_ptr, i);
556
557 wxflag_ptr++; handle_ptr++;
558 }
559 MSVCRT_fdend = max( 3, count );
560 for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
561 if (get_ioinfo_nolock(MSVCRT_fdstart)->handle == INVALID_HANDLE_VALUE) break;
562 }
563
564 fdinfo = get_ioinfo_nolock(MSVCRT_STDIN_FILENO);
565 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
566 HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
567 DWORD type = GetFileType(h);
568
569 msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
570 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDIN_FILENO);
571 }
572
573 fdinfo = get_ioinfo_nolock(MSVCRT_STDOUT_FILENO);
574 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
575 HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
576 DWORD type = GetFileType(h);
577
578 msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
579 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDOUT_FILENO);
580 }
581
582 fdinfo = get_ioinfo_nolock(MSVCRT_STDERR_FILENO);
583 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
584 HANDLE h = GetStdHandle(STD_ERROR_HANDLE);
585 DWORD type = GetFileType(h);
586
587 msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
588 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDERR_FILENO);
589 }
590
591 TRACE(":handles (%p)(%p)(%p)\n", get_ioinfo_nolock(MSVCRT_STDIN_FILENO)->handle,
592 get_ioinfo_nolock(MSVCRT_STDOUT_FILENO)->handle,
593 get_ioinfo_nolock(MSVCRT_STDERR_FILENO)->handle);
594
595 memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
596 for (i = 0; i < 3; i++)
597 {
598 /* FILE structs for stdin/out/err are static and never deleted */
599 MSVCRT__iob[i]._file = i;
600 MSVCRT__iob[i]._tmpfname = NULL;
601 MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
602 }
603 MSVCRT_stream_idx = 3;
604 }
605
606 /* INTERNAL: Flush stdio file buffer */
607 static int msvcrt_flush_buffer(MSVCRT_FILE* file)
608 {
609 if((file->_flag & (MSVCRT__IOREAD|MSVCRT__IOWRT)) == MSVCRT__IOWRT &&
610 file->_flag & (MSVCRT__IOMYBUF|MSVCRT__USERBUF)) {
611 int cnt=file->_ptr-file->_base;
612 if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) {
613 file->_flag |= MSVCRT__IOERR;
614 return MSVCRT_EOF;
615 }
616
617 if(file->_flag & MSVCRT__IORW)
618 file->_flag &= ~MSVCRT__IOWRT;
619 }
620
621 file->_ptr=file->_base;
622 file->_cnt=0;
623 return 0;
624 }
625
626 /*********************************************************************
627 * _isatty (MSVCRT.@)
628 */
629 int CDECL MSVCRT__isatty(int fd)
630 {
631 TRACE(":fd (%d)\n",fd);
632
633 return get_ioinfo_nolock(fd)->wxflag & WX_TTY;
634 }
635
636 /* INTERNAL: Allocate stdio file buffer */
637 static BOOL msvcrt_alloc_buffer(MSVCRT_FILE* file)
638 {
639 if((file->_file==MSVCRT_STDOUT_FILENO || file->_file==MSVCRT_STDERR_FILENO)
640 && MSVCRT__isatty(file->_file))
641 return FALSE;
642
643 file->_base = MSVCRT_calloc(MSVCRT_INTERNAL_BUFSIZ,1);
644 if(file->_base) {
645 file->_bufsiz = MSVCRT_INTERNAL_BUFSIZ;
646 file->_flag |= MSVCRT__IOMYBUF;
647 } else {
648 file->_base = (char*)(&file->_charbuf);
649 file->_bufsiz = 2;
650 file->_flag |= MSVCRT__IONBF;
651 }
652 file->_ptr = file->_base;
653 file->_cnt = 0;
654 return TRUE;
655 }
656
657 /* INTERNAL: Allocate temporary buffer for stdout and stderr */
658 static BOOL add_std_buffer(MSVCRT_FILE *file)
659 {
660 static char buffers[2][MSVCRT_BUFSIZ];
661
662 if((file->_file!=MSVCRT_STDOUT_FILENO && file->_file!=MSVCRT_STDERR_FILENO)
663 || (file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF))
664 || !MSVCRT__isatty(file->_file))
665 return FALSE;
666
667 file->_ptr = file->_base = buffers[file->_file == MSVCRT_STDOUT_FILENO ? 0 : 1];
668 file->_bufsiz = file->_cnt = MSVCRT_BUFSIZ;
669 file->_flag |= MSVCRT__USERBUF;
670 return TRUE;
671 }
672
673 /* INTERNAL: Removes temporary buffer from stdout or stderr */
674 /* Only call this function when add_std_buffer returned TRUE */
675 static void remove_std_buffer(MSVCRT_FILE *file)
676 {
677 msvcrt_flush_buffer(file);
678 file->_ptr = file->_base = NULL;
679 file->_bufsiz = file->_cnt = 0;
680 file->_flag &= ~MSVCRT__USERBUF;
681 }
682
683 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
684 static int msvcrt_int_to_base32(int num, char *str)
685 {
686 char *p;
687 int n = num;
688 int digits = 0;
689
690 while (n != 0)
691 {
692 n >>= 5;
693 digits++;
694 }
695 p = str + digits;
696 *p = 0;
697 while (--p >= str)
698 {
699 *p = (num & 31) + '0';
700 if (*p > '9')
701 *p += ('a' - '0' - 10);
702 num >>= 5;
703 }
704
705 return digits;
706 }
707
708 /* INTERNAL: wide character version of msvcrt_int_to_base32 */
709 static int msvcrt_int_to_base32_w(int num, MSVCRT_wchar_t *str)
710 {
711 MSVCRT_wchar_t *p;
712 int n = num;
713 int digits = 0;
714
715 while (n != 0)
716 {
717 n >>= 5;
718 digits++;
719 }
720 p = str + digits;
721 *p = 0;
722 while (--p >= str)
723 {
724 *p = (num & 31) + '0';
725 if (*p > '9')
726 *p += ('a' - '0' - 10);
727 num >>= 5;
728 }
729
730 return digits;
731 }
732
733 /*********************************************************************
734 * __iob_func(MSVCRT.@)
735 */
736 MSVCRT_FILE * CDECL MSVCRT___iob_func(void)
737 {
738 return &MSVCRT__iob[0];
739 }
740
741 /*********************************************************************
742 * _access (MSVCRT.@)
743 */
744 int CDECL MSVCRT__access(const char *filename, int mode)
745 {
746 DWORD attr = GetFileAttributesA(filename);
747
748 TRACE("(%s,%d) %d\n",filename,mode,attr);
749
750 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
751 {
752 msvcrt_set_errno(GetLastError());
753 return -1;
754 }
755 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
756 {
757 msvcrt_set_errno(ERROR_ACCESS_DENIED);
758 return -1;
759 }
760 return 0;
761 }
762
763 /*********************************************************************
764 * _access_s (MSVCRT.@)
765 */
766 int CDECL MSVCRT__access_s(const char *filename, int mode)
767 {
768 if (!MSVCRT_CHECK_PMT(filename != NULL)) return *MSVCRT__errno();
769 if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return *MSVCRT__errno();
770
771 if (MSVCRT__access(filename, mode) == -1)
772 return *MSVCRT__errno();
773 return 0;
774 }
775
776 /*********************************************************************
777 * _waccess (MSVCRT.@)
778 */
779 int CDECL MSVCRT__waccess(const MSVCRT_wchar_t *filename, int mode)
780 {
781 DWORD attr = GetFileAttributesW(filename);
782
783 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
784
785 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
786 {
787 msvcrt_set_errno(GetLastError());
788 return -1;
789 }
790 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
791 {
792 msvcrt_set_errno(ERROR_ACCESS_DENIED);
793 return -1;
794 }
795 return 0;
796 }
797
798 /*********************************************************************
799 * _waccess_s (MSVCRT.@)
800 */
801 int CDECL MSVCRT__waccess_s(const MSVCRT_wchar_t *filename, int mode)
802 {
803 if (!MSVCRT_CHECK_PMT(filename != NULL)) return *MSVCRT__errno();
804 if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return *MSVCRT__errno();
805
806 if (MSVCRT__waccess(filename, mode) == -1)
807 return *MSVCRT__errno();
808 return 0;
809 }
810
811 /*********************************************************************
812 * _chmod (MSVCRT.@)
813 */
814 int CDECL MSVCRT__chmod(const char *path, int flags)
815 {
816 DWORD oldFlags = GetFileAttributesA(path);
817
818 if (oldFlags != INVALID_FILE_ATTRIBUTES)
819 {
820 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
821 oldFlags | FILE_ATTRIBUTE_READONLY;
822
823 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
824 return 0;
825 }
826 msvcrt_set_errno(GetLastError());
827 return -1;
828 }
829
830 /*********************************************************************
831 * _wchmod (MSVCRT.@)
832 */
833 int CDECL MSVCRT__wchmod(const MSVCRT_wchar_t *path, int flags)
834 {
835 DWORD oldFlags = GetFileAttributesW(path);
836
837 if (oldFlags != INVALID_FILE_ATTRIBUTES)
838 {
839 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
840 oldFlags | FILE_ATTRIBUTE_READONLY;
841
842 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
843 return 0;
844 }
845 msvcrt_set_errno(GetLastError());
846 return -1;
847 }
848
849 /*********************************************************************
850 * _unlink (MSVCRT.@)
851 */
852 int CDECL MSVCRT__unlink(const char *path)
853 {
854 TRACE("%s\n",debugstr_a(path));
855 if(DeleteFileA(path))
856 return 0;
857 TRACE("failed (%d)\n",GetLastError());
858 msvcrt_set_errno(GetLastError());
859 return -1;
860 }
861
862 /*********************************************************************
863 * _wunlink (MSVCRT.@)
864 */
865 int CDECL MSVCRT__wunlink(const MSVCRT_wchar_t *path)
866 {
867 TRACE("(%s)\n",debugstr_w(path));
868 if(DeleteFileW(path))
869 return 0;
870 TRACE("failed (%d)\n",GetLastError());
871 msvcrt_set_errno(GetLastError());
872 return -1;
873 }
874
875 /*********************************************************************
876 * _commit (MSVCRT.@)
877 */
878 int CDECL MSVCRT__commit(int fd)
879 {
880 ioinfo *info = get_ioinfo(fd);
881 int ret;
882
883 TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
884
885 if (info->handle == INVALID_HANDLE_VALUE)
886 ret = -1;
887 else if (!FlushFileBuffers(info->handle))
888 {
889 if (GetLastError() == ERROR_INVALID_HANDLE)
890 {
891 /* FlushFileBuffers fails for console handles
892 * so we ignore this error.
893 */
894 ret = 0;
895 }
896 else
897 {
898 TRACE(":failed-last error (%d)\n",GetLastError());
899 msvcrt_set_errno(GetLastError());
900 ret = -1;
901 }
902 }
903 else
904 {
905 TRACE(":ok\n");
906 ret = 0;
907 }
908
909 release_ioinfo(info);
910 return ret;
911 }
912
913 /* flush_all_buffers calls MSVCRT_fflush which calls flush_all_buffers */
914 int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
915
916 /* INTERNAL: Flush all stream buffer */
917 static int msvcrt_flush_all_buffers(int mask)
918 {
919 int i, num_flushed = 0;
920 MSVCRT_FILE *file;
921
922 LOCK_FILES();
923 for (i = 0; i < MSVCRT_stream_idx; i++) {
924 file = msvcrt_get_file(i);
925
926 if (file->_flag)
927 {
928 if(file->_flag & mask) {
929 MSVCRT_fflush(file);
930 num_flushed++;
931 }
932 }
933 }
934 UNLOCK_FILES();
935
936 TRACE(":flushed (%d) handles\n",num_flushed);
937 return num_flushed;
938 }
939
940 /*********************************************************************
941 * _flushall (MSVCRT.@)
942 */
943 int CDECL MSVCRT__flushall(void)
944 {
945 return msvcrt_flush_all_buffers(MSVCRT__IOWRT | MSVCRT__IOREAD);
946 }
947
948 /*********************************************************************
949 * fflush (MSVCRT.@)
950 */
951 int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
952 {
953 int ret;
954
955 if(!file) {
956 msvcrt_flush_all_buffers(MSVCRT__IOWRT);
957 ret = 0;
958 } else {
959 MSVCRT__lock_file(file);
960 ret = MSVCRT__fflush_nolock(file);
961 MSVCRT__unlock_file(file);
962 }
963
964 return ret;
965 }
966
967 /*********************************************************************
968 * _fflush_nolock (MSVCRT.@)
969 */
970 int CDECL MSVCRT__fflush_nolock(MSVCRT_FILE* file)
971 {
972 int res;
973
974 if(!file) {
975 msvcrt_flush_all_buffers(MSVCRT__IOWRT);
976 return 0;
977 }
978
979 res = msvcrt_flush_buffer(file);
980 if(!res && (file->_flag & MSVCRT__IOCOMMIT))
981 res = MSVCRT__commit(file->_file) ? MSVCRT_EOF : 0;
982 return res;
983 }
984
985 /*********************************************************************
986 * _close (MSVCRT.@)
987 */
988 int CDECL MSVCRT__close(int fd)
989 {
990 ioinfo *info = get_ioinfo(fd);
991 int ret;
992
993 LOCK_FILES();
994 TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
995 if (!(info->wxflag & WX_OPEN)) {
996 ret = -1;
997 } else {
998 ret = CloseHandle(info->handle) ? 0 : -1;
999 msvcrt_free_fd(fd);
1000 if (ret) {
1001 WARN(":failed-last error (%d)\n",GetLastError());
1002 msvcrt_set_errno(GetLastError());
1003 }
1004 }
1005 UNLOCK_FILES();
1006 release_ioinfo(info);
1007 return ret;
1008 }
1009
1010 /*********************************************************************
1011 * _dup2 (MSVCRT.@)
1012 * NOTES
1013 * MSDN isn't clear on this point, but the remarks for _pipe
1014 * indicate file descriptors duplicated with _dup and _dup2 are always
1015 * inheritable.
1016 */
1017 int CDECL MSVCRT__dup2(int od, int nd)
1018 {
1019 int ret;
1020
1021 TRACE("(od=%d, nd=%d)\n", od, nd);
1022 LOCK_FILES();
1023 if (nd < MSVCRT_MAX_FILES && nd >= 0 && msvcrt_is_valid_fd(od))
1024 {
1025 HANDLE handle;
1026
1027 if (DuplicateHandle(GetCurrentProcess(), get_ioinfo_nolock(od)->handle,
1028 GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
1029 {
1030 int wxflag = get_ioinfo_nolock(od)->wxflag & ~MSVCRT__O_NOINHERIT;
1031
1032 if (msvcrt_is_valid_fd(nd))
1033 MSVCRT__close(nd);
1034 ret = msvcrt_set_fd(handle, wxflag, nd);
1035 if (ret == -1)
1036 {
1037 CloseHandle(handle);
1038 *MSVCRT__errno() = MSVCRT_EMFILE;
1039 }
1040 else
1041 {
1042 /* _dup2 returns 0, not nd, on success */
1043 ret = 0;
1044 }
1045 }
1046 else
1047 {
1048 ret = -1;
1049 msvcrt_set_errno(GetLastError());
1050 }
1051 }
1052 else
1053 {
1054 *MSVCRT__errno() = MSVCRT_EBADF;
1055 ret = -1;
1056 }
1057 UNLOCK_FILES();
1058 return ret;
1059 }
1060
1061 /*********************************************************************
1062 * _dup (MSVCRT.@)
1063 */
1064 int CDECL MSVCRT__dup(int od)
1065 {
1066 int fd, ret;
1067
1068 LOCK_FILES();
1069 fd = MSVCRT_fdstart;
1070 if (MSVCRT__dup2(od, fd) == 0)
1071 ret = fd;
1072 else
1073 ret = -1;
1074 UNLOCK_FILES();
1075 return ret;
1076 }
1077
1078 /*********************************************************************
1079 * _eof (MSVCRT.@)
1080 */
1081 int CDECL MSVCRT__eof(int fd)
1082 {
1083 ioinfo *info = get_ioinfo(fd);
1084 DWORD curpos,endpos;
1085 LONG hcurpos,hendpos;
1086
1087 TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
1088
1089 if (info->handle == INVALID_HANDLE_VALUE)
1090 {
1091 release_ioinfo(info);
1092 return -1;
1093 }
1094
1095 if (info->wxflag & WX_ATEOF)
1096 {
1097 release_ioinfo(info);
1098 return TRUE;
1099 }
1100
1101 /* Otherwise we do it the hard way */
1102 hcurpos = hendpos = 0;
1103 curpos = SetFilePointer(info->handle, 0, &hcurpos, FILE_CURRENT);
1104 endpos = SetFilePointer(info->handle, 0, &hendpos, FILE_END);
1105
1106 if (curpos == endpos && hcurpos == hendpos)
1107 {
1108 /* FIXME: shouldn't WX_ATEOF be set here? */
1109 release_ioinfo(info);
1110 return TRUE;
1111 }
1112
1113 SetFilePointer(info->handle, curpos, &hcurpos, FILE_BEGIN);
1114 release_ioinfo(info);
1115 return FALSE;
1116 }
1117
1118 /*********************************************************************
1119 * _fcloseall (MSVCRT.@)
1120 */
1121 int CDECL MSVCRT__fcloseall(void)
1122 {
1123 int num_closed = 0, i;
1124 MSVCRT_FILE *file;
1125
1126 LOCK_FILES();
1127 for (i = 3; i < MSVCRT_stream_idx; i++) {
1128 file = msvcrt_get_file(i);
1129
1130 if (file->_flag && !MSVCRT_fclose(file))
1131 num_closed++;
1132 }
1133 UNLOCK_FILES();
1134
1135 TRACE(":closed (%d) handles\n",num_closed);
1136 return num_closed;
1137 }
1138
1139 /* free everything on process exit */
1140 void msvcrt_free_io(void)
1141 {
1142 unsigned int i;
1143 int j;
1144
1145 MSVCRT__flushall();
1146 MSVCRT__fcloseall();
1147
1148 for(i=0; i<sizeof(MSVCRT___pioinfo)/sizeof(MSVCRT___pioinfo[0]); i++)
1149 {
1150 if(!MSVCRT___pioinfo[i])
1151 continue;
1152
1153 for(j=0; j<MSVCRT_FD_BLOCK_SIZE; j++)
1154 {
1155 if(MSVCRT___pioinfo[i][j].exflag & EF_CRIT_INIT)
1156 DeleteCriticalSection(&MSVCRT___pioinfo[i][j].crit);
1157 }
1158 MSVCRT_free(MSVCRT___pioinfo[i]);
1159 }
1160
1161 for(j=0; j<MSVCRT_stream_idx; j++)
1162 {
1163 MSVCRT_FILE *file = msvcrt_get_file(j);
1164 if(file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
1165 {
1166 ((file_crit*)file)->crit.DebugInfo->Spare[0] = 0;
1167 DeleteCriticalSection(&((file_crit*)file)->crit);
1168 }
1169 }
1170
1171 for(i=0; i<sizeof(MSVCRT_fstream)/sizeof(MSVCRT_fstream[0]); i++)
1172 MSVCRT_free(MSVCRT_fstream[i]);
1173
1174 DeleteCriticalSection(&MSVCRT_file_cs);
1175 }
1176
1177 /*********************************************************************
1178 * _lseeki64 (MSVCRT.@)
1179 */
1180 __int64 CDECL MSVCRT__lseeki64(int fd, __int64 offset, int whence)
1181 {
1182 ioinfo *info = get_ioinfo(fd);
1183 LARGE_INTEGER ofs;
1184
1185 TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
1186
1187 if (info->handle == INVALID_HANDLE_VALUE)
1188 {
1189 release_ioinfo(info);
1190 return -1;
1191 }
1192
1193 if (whence < 0 || whence > 2)
1194 {
1195 release_ioinfo(info);
1196 *MSVCRT__errno() = MSVCRT_EINVAL;
1197 return -1;
1198 }
1199
1200 TRACE(":fd (%d) to %s pos %s\n",
1201 fd,wine_dbgstr_longlong(offset),
1202 (whence==SEEK_SET)?"SEEK_SET":
1203 (whence==SEEK_CUR)?"SEEK_CUR":
1204 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
1205
1206 /* The MoleBox protection scheme expects msvcrt to use SetFilePointer only,
1207 * so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */
1208 ofs.QuadPart = offset;
1209 if ((ofs.u.LowPart = SetFilePointer(info->handle, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER ||
1210 GetLastError() == ERROR_SUCCESS)
1211 {
1212 info->wxflag &= ~WX_ATEOF;
1213 /* FIXME: What if we seek _to_ EOF - is EOF set? */
1214
1215 release_ioinfo(info);
1216 return ofs.QuadPart;
1217 }
1218 release_ioinfo(info);
1219 TRACE(":error-last error (%d)\n",GetLastError());
1220 msvcrt_set_errno(GetLastError());
1221 return -1;
1222 }
1223
1224 /*********************************************************************
1225 * _lseek (MSVCRT.@)
1226 */
1227 LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence)
1228 {
1229 return MSVCRT__lseeki64(fd, offset, whence);
1230 }
1231
1232 /*********************************************************************
1233 * _lock_file (MSVCRT.@)
1234 */
1235 void CDECL MSVCRT__lock_file(MSVCRT_FILE *file)
1236 {
1237 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1238 _lock(_STREAM_LOCKS+(file-MSVCRT__iob));
1239 else
1240 EnterCriticalSection(&((file_crit*)file)->crit);
1241 }
1242
1243 /*********************************************************************
1244 * _unlock_file (MSVCRT.@)
1245 */
1246 void CDECL MSVCRT__unlock_file(MSVCRT_FILE *file)
1247 {
1248 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1249 _unlock(_STREAM_LOCKS+(file-MSVCRT__iob));
1250 else
1251 LeaveCriticalSection(&((file_crit*)file)->crit);
1252 }
1253
1254 /*********************************************************************
1255 * _locking (MSVCRT.@)
1256 *
1257 * This is untested; the underlying LockFile doesn't work yet.
1258 */
1259 int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes)
1260 {
1261 ioinfo *info = get_ioinfo(fd);
1262 BOOL ret;
1263 DWORD cur_locn;
1264
1265 TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
1266 if (info->handle == INVALID_HANDLE_VALUE)
1267 {
1268 release_ioinfo(info);
1269 return -1;
1270 }
1271
1272 if (mode < 0 || mode > 4)
1273 {
1274 release_ioinfo(info);
1275 *MSVCRT__errno() = MSVCRT_EINVAL;
1276 return -1;
1277 }
1278
1279 TRACE(":fd (%d) by 0x%08x mode %s\n",
1280 fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
1281 (mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
1282 (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
1283 (mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
1284 (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
1285 "UNKNOWN");
1286
1287 if ((cur_locn = SetFilePointer(info->handle, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
1288 {
1289 release_ioinfo(info);
1290 FIXME ("Seek failed\n");
1291 *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
1292 return -1;
1293 }
1294 if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
1295 {
1296 int nretry = 10;
1297 ret = 1; /* just to satisfy gcc */
1298 while (nretry--)
1299 {
1300 ret = LockFile(info->handle, cur_locn, 0L, nbytes, 0L);
1301 if (ret) break;
1302 Sleep(1);
1303 }
1304 }
1305 else if (mode == MSVCRT__LK_UNLCK)
1306 ret = UnlockFile(info->handle, cur_locn, 0L, nbytes, 0L);
1307 else
1308 ret = LockFile(info->handle, cur_locn, 0L, nbytes, 0L);
1309 /* FIXME - what about error settings? */
1310 release_ioinfo(info);
1311 return ret ? 0 : -1;
1312 }
1313
1314 /*********************************************************************
1315 * _fseeki64 (MSVCRT.@)
1316 */
1317 int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence)
1318 {
1319 int ret;
1320
1321 MSVCRT__lock_file(file);
1322 ret = MSVCRT__fseeki64_nolock(file, offset, whence);
1323 MSVCRT__unlock_file(file);
1324
1325 return ret;
1326 }
1327
1328 /*********************************************************************
1329 * _fseeki64_nolock (MSVCRT.@)
1330 */
1331 int CDECL MSVCRT__fseeki64_nolock(MSVCRT_FILE* file, __int64 offset, int whence)
1332 {
1333 int ret;
1334
1335 if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
1336 whence = SEEK_SET;
1337 offset += MSVCRT__ftelli64_nolock(file);
1338 }
1339
1340 /* Flush output if needed */
1341 msvcrt_flush_buffer(file);
1342 /* Reset direction of i/o */
1343 if(file->_flag & MSVCRT__IORW) {
1344 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
1345 }
1346 /* Clear end of file flag */
1347 file->_flag &= ~MSVCRT__IOEOF;
1348 ret = (MSVCRT__lseeki64(file->_file,offset,whence) == -1)?-1:0;
1349
1350 return ret;
1351 }
1352
1353 /*********************************************************************
1354 * fseek (MSVCRT.@)
1355 */
1356 int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
1357 {
1358 return MSVCRT__fseeki64( file, offset, whence );
1359 }
1360
1361 /*********************************************************************
1362 * _fseek_nolock (MSVCRT.@)
1363 */
1364 int CDECL MSVCRT__fseek_nolock(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
1365 {
1366 return MSVCRT__fseeki64_nolock( file, offset, whence );
1367 }
1368
1369 /*********************************************************************
1370 * _chsize_s (MSVCRT.@)
1371 */
1372 int CDECL MSVCRT__chsize_s(int fd, __int64 size)
1373 {
1374 ioinfo *info;
1375 __int64 cur, pos;
1376 BOOL ret = FALSE;
1377
1378 TRACE("(fd=%d, size=%s)\n", fd, wine_dbgstr_longlong(size));
1379
1380 if (!MSVCRT_CHECK_PMT(size >= 0)) return MSVCRT_EINVAL;
1381
1382
1383 info = get_ioinfo(fd);
1384 if (info->handle != INVALID_HANDLE_VALUE)
1385 {
1386 /* save the current file pointer */
1387 cur = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1388 if (cur >= 0)
1389 {
1390 pos = MSVCRT__lseeki64(fd, size, SEEK_SET);
1391 if (pos >= 0)
1392 {
1393 ret = SetEndOfFile(info->handle);
1394 if (!ret) msvcrt_set_errno(GetLastError());
1395 }
1396
1397 /* restore the file pointer */
1398 MSVCRT__lseeki64(fd, cur, SEEK_SET);
1399 }
1400 }
1401
1402 release_ioinfo(info);
1403 return ret ? 0 : *MSVCRT__errno();
1404 }
1405
1406 /*********************************************************************
1407 * _chsize (MSVCRT.@)
1408 */
1409 int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
1410 {
1411 /* _chsize_s returns errno on failure but _chsize should return -1 */
1412 return MSVCRT__chsize_s( fd, size ) == 0 ? 0 : -1;
1413 }
1414
1415 /*********************************************************************
1416 * clearerr (MSVCRT.@)
1417 */
1418 void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
1419 {
1420 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1421
1422 MSVCRT__lock_file(file);
1423 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
1424 MSVCRT__unlock_file(file);
1425 }
1426
1427 /*********************************************************************
1428 * rewind (MSVCRT.@)
1429 */
1430 void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
1431 {
1432 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1433
1434 MSVCRT__lock_file(file);
1435 MSVCRT__fseek_nolock(file, 0L, SEEK_SET);
1436 MSVCRT_clearerr(file);
1437 MSVCRT__unlock_file(file);
1438 }
1439
1440 static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags)
1441 {
1442 int plus = strchrW(mode, '+') != NULL;
1443
1444 TRACE("%s\n", debugstr_w(mode));
1445
1446 while(*mode == ' ') mode++;
1447
1448 switch(*mode++)
1449 {
1450 case 'R': case 'r':
1451 *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
1452 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
1453 break;
1454 case 'W': case 'w':
1455 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1456 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1457 break;
1458 case 'A': case 'a':
1459 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1460 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1461 break;
1462 default:
1463 MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
1464 return -1;
1465 }
1466
1467 *stream_flags |= MSVCRT__commode;
1468
1469 while (*mode && *mode!=',')
1470 switch (*mode++)
1471 {
1472 case 'B': case 'b':
1473 *open_flags |= MSVCRT__O_BINARY;
1474 *open_flags &= ~MSVCRT__O_TEXT;
1475 break;
1476 case 't':
1477 *open_flags |= MSVCRT__O_TEXT;
1478 *open_flags &= ~MSVCRT__O_BINARY;
1479 break;
1480 case 'D':
1481 *open_flags |= MSVCRT__O_TEMPORARY;
1482 break;
1483 case 'T':
1484 *open_flags |= MSVCRT__O_SHORT_LIVED;
1485 break;
1486 case 'c':
1487 *stream_flags |= MSVCRT__IOCOMMIT;
1488 break;
1489 case 'n':
1490 *stream_flags &= ~MSVCRT__IOCOMMIT;
1491 break;
1492 case 'N':
1493 *open_flags |= MSVCRT__O_NOINHERIT;
1494 break;
1495 case '+':
1496 case ' ':
1497 case 'a':
1498 case 'w':
1499 break;
1500 case 'S':
1501 case 'R':
1502 FIXME("ignoring cache optimization flag: %c\n", mode[-1]);
1503 break;
1504 default:
1505 ERR("incorrect mode flag: %c\n", mode[-1]);
1506 break;
1507 }
1508
1509 if(*mode == ',')
1510 {
1511 static const WCHAR ccs[] = {'c','c','s'};
1512 static const WCHAR utf8[] = {'u','t','f','-','8'};
1513 static const WCHAR utf16le[] = {'u','t','f','-','1','6','l','e'};
1514 static const WCHAR unicode[] = {'u','n','i','c','o','d','e'};
1515
1516 mode++;
1517 while(*mode == ' ') mode++;
1518 if(!MSVCRT_CHECK_PMT(!strncmpW(ccs, mode, sizeof(ccs)/sizeof(ccs[0]))))
1519 return -1;
1520 mode += sizeof(ccs)/sizeof(ccs[0]);
1521 while(*mode == ' ') mode++;
1522 if(!MSVCRT_CHECK_PMT(*mode == '='))
1523 return -1;
1524 mode++;
1525 while(*mode == ' ') mode++;
1526
1527 if(!strncmpiW(utf8, mode, sizeof(utf8)/sizeof(utf8[0])))
1528 {
1529 *open_flags |= MSVCRT__O_U8TEXT;
1530 mode += sizeof(utf8)/sizeof(utf8[0]);
1531 }
1532 else if(!strncmpiW(utf16le, mode, sizeof(utf16le)/sizeof(utf16le[0])))
1533 {
1534 *open_flags |= MSVCRT__O_U16TEXT;
1535 mode += sizeof(utf16le)/sizeof(utf16le[0]);
1536 }
1537 else if(!strncmpiW(unicode, mode, sizeof(unicode)/sizeof(unicode[0])))
1538 {
1539 *open_flags |= MSVCRT__O_WTEXT;
1540 mode += sizeof(unicode)/sizeof(unicode[0]);
1541 }
1542 else
1543 {
1544 MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
1545 return -1;
1546 }
1547
1548 while(*mode == ' ') mode++;
1549 }
1550
1551 if(!MSVCRT_CHECK_PMT(*mode == 0))
1552 return -1;
1553 return 0;
1554 }
1555
1556 /*********************************************************************
1557 * _fdopen (MSVCRT.@)
1558 */
1559 MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode)
1560 {
1561 MSVCRT_FILE *ret;
1562 MSVCRT_wchar_t *modeW = NULL;
1563
1564 if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
1565
1566 ret = MSVCRT__wfdopen(fd, modeW);
1567
1568 MSVCRT_free(modeW);
1569 return ret;
1570 }
1571
1572 /*********************************************************************
1573 * _wfdopen (MSVCRT.@)
1574 */
1575 MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
1576 {
1577 int open_flags, stream_flags;
1578 MSVCRT_FILE* file;
1579
1580 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
1581
1582 LOCK_FILES();
1583 if (!(file = msvcrt_alloc_fp()))
1584 file = NULL;
1585 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
1586 {
1587 file->_flag = 0;
1588 file = NULL;
1589 }
1590 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
1591 UNLOCK_FILES();
1592
1593 return file;
1594 }
1595
1596 /*********************************************************************
1597 * _filelength (MSVCRT.@)
1598 */
1599 LONG CDECL MSVCRT__filelength(int fd)
1600 {
1601 LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR);
1602 if (curPos != -1)
1603 {
1604 LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END);
1605 if (endPos != -1)
1606 {
1607 if (endPos != curPos)
1608 MSVCRT__lseek(fd, curPos, SEEK_SET);
1609 return endPos;
1610 }
1611 }
1612 return -1;
1613 }
1614
1615 /*********************************************************************
1616 * _filelengthi64 (MSVCRT.@)
1617 */
1618 __int64 CDECL MSVCRT__filelengthi64(int fd)
1619 {
1620 __int64 curPos = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1621 if (curPos != -1)
1622 {
1623 __int64 endPos = MSVCRT__lseeki64(fd, 0, SEEK_END);
1624 if (endPos != -1)
1625 {
1626 if (endPos != curPos)
1627 MSVCRT__lseeki64(fd, curPos, SEEK_SET);
1628 return endPos;
1629 }
1630 }
1631 return -1;
1632 }
1633
1634 /*********************************************************************
1635 * _fileno (MSVCRT.@)
1636 */
1637 int CDECL MSVCRT__fileno(MSVCRT_FILE* file)
1638 {
1639 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
1640 return file->_file;
1641 }
1642
1643 /*********************************************************************
1644 * _fstat64 (MSVCRT.@)
1645 */
1646 int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf)
1647 {
1648 ioinfo *info = get_ioinfo(fd);
1649 DWORD dw;
1650 DWORD type;
1651 BY_HANDLE_FILE_INFORMATION hfi;
1652
1653 TRACE(":fd (%d) stat (%p)\n", fd, buf);
1654 if (info->handle == INVALID_HANDLE_VALUE)
1655 {
1656 release_ioinfo(info);
1657 return -1;
1658 }
1659
1660 if (!buf)
1661 {
1662 WARN(":failed-NULL buf\n");
1663 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1664 release_ioinfo(info);
1665 return -1;
1666 }
1667
1668 memset(&hfi, 0, sizeof(hfi));
1669 memset(buf, 0, sizeof(struct MSVCRT__stat64));
1670 type = GetFileType(info->handle);
1671 if (type == FILE_TYPE_PIPE)
1672 {
1673 buf->st_dev = buf->st_rdev = fd;
1674 buf->st_mode = S_IFIFO;
1675 buf->st_nlink = 1;
1676 }
1677 else if (type == FILE_TYPE_CHAR)
1678 {
1679 buf->st_dev = buf->st_rdev = fd;
1680 buf->st_mode = S_IFCHR;
1681 buf->st_nlink = 1;
1682 }
1683 else /* FILE_TYPE_DISK etc. */
1684 {
1685 if (!GetFileInformationByHandle(info->handle, &hfi))
1686 {
1687 WARN(":failed-last error (%d)\n",GetLastError());
1688 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1689 release_ioinfo(info);
1690 return -1;
1691 }
1692 buf->st_mode = S_IFREG | 0444;
1693 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1694 buf->st_mode |= 0222;
1695 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1696 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1697 buf->st_atime = dw;
1698 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1699 buf->st_mtime = buf->st_ctime = dw;
1700 buf->st_nlink = hfi.nNumberOfLinks;
1701 }
1702 TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
1703 buf->st_mode);
1704 release_ioinfo(info);
1705 return 0;
1706 }
1707
1708 /*********************************************************************
1709 * _fstati64 (MSVCRT.@)
1710 */
1711 int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
1712 {
1713 int ret;
1714 struct MSVCRT__stat64 buf64;
1715
1716 ret = MSVCRT__fstat64(fd, &buf64);
1717 if (!ret)
1718 msvcrt_stat64_to_stati64(&buf64, buf);
1719 return ret;
1720 }
1721
1722 /*********************************************************************
1723 * _fstat (MSVCRT.@)
1724 */
1725 int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
1726 { int ret;
1727 struct MSVCRT__stat64 buf64;
1728
1729 ret = MSVCRT__fstat64(fd, &buf64);
1730 if (!ret)
1731 msvcrt_stat64_to_stat(&buf64, buf);
1732 return ret;
1733 }
1734
1735 /*********************************************************************
1736 * _fstat32 (MSVCR80.@)
1737 */
1738 int CDECL MSVCRT__fstat32(int fd, struct MSVCRT__stat32* buf)
1739 {
1740 int ret;
1741 struct MSVCRT__stat64 buf64;
1742
1743 ret = MSVCRT__fstat64(fd, &buf64);
1744 if (!ret)
1745 msvcrt_stat64_to_stat32(&buf64, buf);
1746 return ret;
1747 }
1748
1749 /*********************************************************************
1750 * _fstat64i32 (MSVCR80.@)
1751 */
1752 int CDECL MSVCRT__fstat64i32(int fd, struct MSVCRT__stat64i32* buf)
1753 {
1754 int ret;
1755 struct MSVCRT__stat64 buf64;
1756
1757 ret = MSVCRT__fstat64(fd, &buf64);
1758 if (!ret)
1759 msvcrt_stat64_to_stat64i32(&buf64, buf);
1760 return ret;
1761 }
1762
1763 /*********************************************************************
1764 * _futime64 (MSVCRT.@)
1765 */
1766 int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t)
1767 {
1768 HANDLE hand = msvcrt_fdtoh(fd);
1769 FILETIME at, wt;
1770
1771 if (!t)
1772 {
1773 time_to_filetime( MSVCRT__time64(NULL), &at );
1774 wt = at;
1775 }
1776 else
1777 {
1778 time_to_filetime( t->actime, &at );
1779 time_to_filetime( t->modtime, &wt );
1780 }
1781
1782 if (!SetFileTime(hand, NULL, &at, &wt))
1783 {
1784 msvcrt_set_errno(GetLastError());
1785 return -1 ;
1786 }
1787 return 0;
1788 }
1789
1790 /*********************************************************************
1791 * _futime32 (MSVCRT.@)
1792 */
1793 int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t)
1794 {
1795 if (t)
1796 {
1797 struct MSVCRT___utimbuf64 t64;
1798 t64.actime = t->actime;
1799 t64.modtime = t->modtime;
1800 return _futime64( fd, &t64 );
1801 }
1802 else
1803 return _futime64( fd, NULL );
1804 }
1805
1806 /*********************************************************************
1807 * _futime (MSVCRT.@)
1808 */
1809 #ifdef _WIN64
1810 int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t)
1811 {
1812 return _futime64( fd, t );
1813 }
1814 #else
1815 int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t)
1816 {
1817 return _futime32( fd, t );
1818 }
1819 #endif
1820
1821 /*********************************************************************
1822 * _get_osfhandle (MSVCRT.@)
1823 */
1824 MSVCRT_intptr_t CDECL MSVCRT__get_osfhandle(int fd)
1825 {
1826 HANDLE hand = msvcrt_fdtoh(fd);
1827 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1828
1829 return (MSVCRT_intptr_t)hand;
1830 }
1831
1832 /*********************************************************************
1833 * _mktemp_s (MSVCRT.@)
1834 */
1835 int CDECL MSVCRT__mktemp_s(char *pattern, MSVCRT_size_t size)
1836 {
1837 DWORD len, xno, id;
1838
1839 if(!MSVCRT_CHECK_PMT(pattern!=NULL))
1840 return MSVCRT_EINVAL;
1841
1842 for(len=0; len<size; len++)
1843 if(!pattern[len])
1844 break;
1845 if(!MSVCRT_CHECK_PMT(len!=size && len>=6)) {
1846 if(size)
1847 pattern[0] = 0;
1848 return MSVCRT_EINVAL;
1849 }
1850
1851 for(xno=1; xno<=6; xno++)
1852 if(!MSVCRT_CHECK_PMT(pattern[len-xno] == 'X'))
1853 return MSVCRT_EINVAL;
1854
1855 id = GetCurrentProcessId();
1856 for(xno=1; xno<6; xno++) {
1857 pattern[len-xno] = id%10 + '0';
1858 id /= 10;
1859 }
1860
1861 for(pattern[len-6]='a'; pattern[len-6]<='z'; pattern[len-6]++) {
1862 if(GetFileAttributesA(pattern) == INVALID_FILE_ATTRIBUTES)
1863 return 0;
1864 }
1865
1866 pattern[0] = 0;
1867 *MSVCRT__errno() = MSVCRT_EEXIST;
1868 return MSVCRT_EEXIST;
1869 }
1870
1871 /*********************************************************************
1872 * _mktemp (MSVCRT.@)
1873 */
1874 char * CDECL MSVCRT__mktemp(char *pattern)
1875 {
1876 int numX = 0;
1877 char *retVal = pattern;
1878 int id;
1879 char letter = 'a';
1880
1881 if(!pattern)
1882 return NULL;
1883
1884 while(*pattern)
1885 numX = (*pattern++ == 'X')? numX + 1 : 0;
1886 if (numX < 6)
1887 return NULL;
1888 pattern--;
1889 id = GetCurrentProcessId();
1890 numX = 6;
1891 while(numX--)
1892 {
1893 int tempNum = id / 10;
1894 *pattern-- = id - (tempNum * 10) + '0';
1895 id = tempNum;
1896 }
1897 pattern++;
1898 do
1899 {
1900 *pattern = letter++;
1901 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES)
1902 return retVal;
1903 } while(letter <= 'z');
1904 return NULL;
1905 }
1906
1907 /*********************************************************************
1908 * _wmktemp_s (MSVCRT.@)
1909 */
1910 int CDECL MSVCRT__wmktemp_s(MSVCRT_wchar_t *pattern, MSVCRT_size_t size)
1911 {
1912 DWORD len, xno, id;
1913
1914 if(!MSVCRT_CHECK_PMT(pattern!=NULL))
1915 return MSVCRT_EINVAL;
1916
1917 for(len=0; len<size; len++)
1918 if(!pattern[len])
1919 break;
1920 if(!MSVCRT_CHECK_PMT(len!=size && len>=6)) {
1921 if(size)
1922 pattern[0] = 0;
1923 return MSVCRT_EINVAL;
1924 }
1925
1926 for(xno=1; xno<=6; xno++)
1927 if(!MSVCRT_CHECK_PMT(pattern[len-xno] == 'X'))
1928 return MSVCRT_EINVAL;
1929
1930 id = GetCurrentProcessId();
1931 for(xno=1; xno<6; xno++) {
1932 pattern[len-xno] = id%10 + '0';
1933 id /= 10;
1934 }
1935
1936 for(pattern[len-6]='a'; pattern[len-6]<='z'; pattern[len-6]++) {
1937 if(GetFileAttributesW(pattern) == INVALID_FILE_ATTRIBUTES)
1938 return 0;
1939 }
1940
1941 pattern[0] = 0;
1942 *MSVCRT__errno() = MSVCRT_EEXIST;
1943 return MSVCRT_EEXIST;
1944 }
1945
1946 /*********************************************************************
1947 * _wmktemp (MSVCRT.@)
1948 */
1949 MSVCRT_wchar_t * CDECL MSVCRT__wmktemp(MSVCRT_wchar_t *pattern)
1950 {
1951 int numX = 0;
1952 MSVCRT_wchar_t *retVal = pattern;
1953 int id;
1954 MSVCRT_wchar_t letter = 'a';
1955
1956 if(!pattern)
1957 return NULL;
1958
1959 while(*pattern)
1960 numX = (*pattern++ == 'X')? numX + 1 : 0;
1961 if (numX < 6)
1962 return NULL;
1963 pattern--;
1964 id = GetCurrentProcessId();
1965 numX = 6;
1966 while(numX--)
1967 {
1968 int tempNum = id / 10;
1969 *pattern-- = id - (tempNum * 10) + '0';
1970 id = tempNum;
1971 }
1972 pattern++;
1973 do
1974 {
1975 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES)
1976 return retVal;
1977 *pattern = letter++;
1978 } while(letter != '|');
1979 return NULL;
1980 }
1981
1982 static unsigned split_oflags(unsigned oflags)
1983 {
1984 int wxflags = 0;
1985 unsigned unsupp; /* until we support everything */
1986
1987 if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
1988 if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */}
1989 else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
1990 else if (oflags & MSVCRT__O_WTEXT) wxflags |= WX_TEXT;
1991 else if (oflags & MSVCRT__O_U16TEXT) wxflags |= WX_TEXT;
1992 else if (oflags & MSVCRT__O_U8TEXT) wxflags |= WX_TEXT;
1993 else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */}
1994 else wxflags |= WX_TEXT; /* default to TEXT*/
1995 if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1996
1997 if ((unsupp = oflags & ~(
1998 MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|
1999 MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT|
2000 MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY|
2001 MSVCRT__O_NOINHERIT|
2002 MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED|
2003 MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT
2004 )))
2005 ERR(":unsupported oflags 0x%04x\n",unsupp);
2006
2007 return wxflags;
2008 }
2009
2010 /*********************************************************************
2011 * _pipe (MSVCRT.@)
2012 */
2013 int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode)
2014 {
2015 int ret = -1;
2016 SECURITY_ATTRIBUTES sa;
2017 HANDLE readHandle, writeHandle;
2018
2019 if (!pfds)
2020 {
2021 *MSVCRT__errno() = MSVCRT_EINVAL;
2022 return -1;
2023 }
2024
2025 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
2026 sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT);
2027 sa.lpSecurityDescriptor = NULL;
2028 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
2029 {
2030 unsigned int wxflags = split_oflags(textmode);
2031 int fd;
2032
2033 LOCK_FILES();
2034 fd = msvcrt_alloc_fd(readHandle, wxflags|WX_PIPE);
2035 if (fd != -1)
2036 {
2037 pfds[0] = fd;
2038 fd = msvcrt_alloc_fd(writeHandle, wxflags|WX_PIPE);
2039 if (fd != -1)
2040 {
2041 pfds[1] = fd;
2042 ret = 0;
2043 }
2044 else
2045 {
2046 MSVCRT__close(pfds[0]);
2047 CloseHandle(writeHandle);
2048 *MSVCRT__errno() = MSVCRT_EMFILE;
2049 }
2050 }
2051 else
2052 {
2053 CloseHandle(readHandle);
2054 CloseHandle(writeHandle);
2055 *MSVCRT__errno() = MSVCRT_EMFILE;
2056 }
2057 UNLOCK_FILES();
2058 }
2059 else
2060 msvcrt_set_errno(GetLastError());
2061
2062 return ret;
2063 }
2064
2065 static int check_bom(HANDLE h, int oflags, BOOL seek)
2066 {
2067 char bom[sizeof(utf8_bom)];
2068 DWORD r;
2069
2070 oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT);
2071
2072 if (!ReadFile(h, bom, sizeof(utf8_bom), &r, NULL))
2073 return oflags;
2074
2075 if (r==sizeof(utf8_bom) && !memcmp(bom, utf8_bom, sizeof(utf8_bom))) {
2076 oflags |= MSVCRT__O_U8TEXT;
2077 }else if (r>=sizeof(utf16_bom) && !memcmp(bom, utf16_bom, sizeof(utf16_bom))) {
2078 if (seek && r>2)
2079 SetFilePointer(h, 2, NULL, FILE_BEGIN);
2080 oflags |= MSVCRT__O_U16TEXT;
2081 }else if (seek) {
2082 SetFilePointer(h, 0, NULL, FILE_BEGIN);
2083 }
2084
2085 return oflags;
2086 }
2087
2088 /*********************************************************************
2089 * _wsopen_s (MSVCRT.@)
2090 */
2091 int CDECL MSVCRT__wsopen_s( int *fd, const MSVCRT_wchar_t* path, int oflags, int shflags, int pmode )
2092 {
2093 DWORD access = 0, creation = 0, attrib;
2094 SECURITY_ATTRIBUTES sa;
2095 DWORD sharing, type;
2096 int wxflag;
2097 HANDLE hand;
2098
2099 TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
2100 fd, debugstr_w(path), oflags, shflags, pmode);
2101
2102 if (!MSVCRT_CHECK_PMT( fd != NULL )) return MSVCRT_EINVAL;
2103
2104 *fd = -1;
2105 wxflag = split_oflags(oflags);
2106 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
2107 {
2108 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
2109 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
2110 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
2111 }
2112
2113 if (oflags & MSVCRT__O_CREAT)
2114 {
2115 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
2116 FIXME(": pmode 0x%04x ignored\n", pmode);
2117
2118 if (oflags & MSVCRT__O_EXCL)
2119 creation = CREATE_NEW;
2120 else if (oflags & MSVCRT__O_TRUNC)
2121 creation = CREATE_ALWAYS;
2122 else
2123 creation = OPEN_ALWAYS;
2124 }
2125 else /* no MSVCRT__O_CREAT */
2126 {
2127 if (oflags & MSVCRT__O_TRUNC)
2128 creation = TRUNCATE_EXISTING;
2129 else
2130 creation = OPEN_EXISTING;
2131 }
2132
2133 switch( shflags )
2134 {
2135 case MSVCRT__SH_DENYRW:
2136 sharing = 0L;
2137 break;
2138 case MSVCRT__SH_DENYWR:
2139 sharing = FILE_SHARE_READ;
2140 break;
2141 case MSVCRT__SH_DENYRD:
2142 sharing = FILE_SHARE_WRITE;
2143 break;
2144 case MSVCRT__SH_DENYNO:
2145 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
2146 break;
2147 default:
2148 ERR( "Unhandled shflags 0x%x\n", shflags );
2149 return MSVCRT_EINVAL;
2150 }
2151
2152 if (!(pmode & ~MSVCRT_umask & MSVCRT__S_IWRITE))
2153 attrib = FILE_ATTRIBUTE_READONLY;
2154 else
2155 attrib = FILE_ATTRIBUTE_NORMAL;
2156
2157 if (oflags & MSVCRT__O_TEMPORARY)
2158 {
2159 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
2160 access |= DELETE;
2161 sharing |= FILE_SHARE_DELETE;
2162 }
2163
2164 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
2165 sa.lpSecurityDescriptor = NULL;
2166 sa.bInheritHandle = !(oflags & MSVCRT__O_NOINHERIT);
2167
2168 if ((oflags&(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT))
2169 && (creation==OPEN_ALWAYS || creation==OPEN_EXISTING)
2170 && !(access&GENERIC_READ))
2171 {
2172 hand = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
2173 &sa, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
2174 if (hand != INVALID_HANDLE_VALUE)
2175 {
2176 oflags = check_bom(hand, oflags, FALSE);
2177 CloseHandle(hand);
2178 }
2179 else
2180 oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT);
2181 }
2182
2183 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
2184 if (hand == INVALID_HANDLE_VALUE) {
2185 WARN(":failed-last error (%d)\n",GetLastError());
2186 msvcrt_set_errno(GetLastError());
2187 return *MSVCRT__errno();
2188 }
2189
2190 if (oflags & (MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT))
2191 {
2192 if ((access & GENERIC_WRITE) && (creation==CREATE_NEW
2193 || creation==CREATE_ALWAYS || creation==TRUNCATE_EXISTING
2194 || (creation==OPEN_ALWAYS && GetLastError()==ERROR_ALREADY_EXISTS)))
2195 {
2196 if (oflags & MSVCRT__O_U8TEXT)
2197 {
2198 DWORD written = 0, tmp;
2199
2200 while(written!=sizeof(utf8_bom) && WriteFile(hand, (char*)utf8_bom+written,
2201 sizeof(utf8_bom)-written, &tmp, NULL))
2202 written += tmp;
2203 if (written != sizeof(utf8_bom)) {
2204 WARN("error writing BOM\n");
2205 CloseHandle(hand);
2206 msvcrt_set_errno(GetLastError());
2207 return *MSVCRT__errno();
2208 }
2209 }
2210 else
2211 {
2212 DWORD written = 0, tmp;
2213
2214 while(written!=sizeof(utf16_bom) && WriteFile(hand, (char*)utf16_bom+written,
2215 sizeof(utf16_bom)-written, &tmp, NULL))
2216 written += tmp;
2217 if (written != sizeof(utf16_bom))
2218 {
2219 WARN("error writing BOM\n");
2220 CloseHandle(hand);
2221 msvcrt_set_errno(GetLastError());
2222 return *MSVCRT__errno();
2223 }
2224 }
2225 }
2226 else if (access & GENERIC_READ)
2227 oflags = check_bom(hand, oflags, TRUE);
2228 }
2229
2230 type = GetFileType(hand);
2231 if (type == FILE_TYPE_CHAR)
2232 wxflag |= WX_TTY;
2233 else if (type == FILE_TYPE_PIPE)
2234 wxflag |= WX_PIPE;
2235
2236 *fd = msvcrt_alloc_fd(hand, wxflag);
2237 if (*fd == -1)
2238 return *MSVCRT__errno();
2239
2240 if (oflags & MSVCRT__O_WTEXT)
2241 get_ioinfo_nolock(*fd)->exflag |= EF_UTF16|EF_UNK_UNICODE;
2242 else if (oflags & MSVCRT__O_U16TEXT)
2243 get_ioinfo_nolock(*fd)->exflag |= EF_UTF16;
2244 else if (oflags & MSVCRT__O_U8TEXT)
2245 get_ioinfo_nolock(*fd)->exflag |= EF_UTF8;
2246
2247 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
2248 return 0;
2249 }
2250
2251 /*********************************************************************
2252 * _wsopen (MSVCRT.@)
2253 */
2254 int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t *path, int oflags, int shflags, ... )
2255 {
2256 int pmode;
2257 int fd;
2258
2259 if (oflags & MSVCRT__O_CREAT)
2260 {
2261 __ms_va_list ap;
2262
2263 __ms_va_start(ap, shflags);
2264 pmode = va_arg(ap, int);
2265 __ms_va_end(ap);
2266 }
2267 else
2268 pmode = 0;
2269
2270 MSVCRT__wsopen_s(&fd, path, oflags, shflags, pmode);
2271 return fd;
2272 }
2273
2274 /*********************************************************************
2275 * _sopen_s (MSVCRT.@)
2276 */
2277 int CDECL MSVCRT__sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode )
2278 {
2279 MSVCRT_wchar_t *pathW;
2280 int ret;
2281
2282 if (!MSVCRT_CHECK_PMT(fd != NULL))
2283 return MSVCRT_EINVAL;
2284 *fd = -1;
2285 if(!MSVCRT_CHECK_PMT(path && (pathW = msvcrt_wstrdupa(path))))
2286 return MSVCRT_EINVAL;
2287
2288 ret = MSVCRT__wsopen_s(fd, pathW, oflags, shflags, pmode);
2289 MSVCRT_free(pathW);
2290 return ret;
2291 }
2292
2293 /*********************************************************************
2294 * _sopen (MSVCRT.@)
2295 */
2296 int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
2297 {
2298 int pmode;
2299 int fd;
2300
2301 if (oflags & MSVCRT__O_CREAT)
2302 {
2303 __ms_va_list ap;
2304
2305 __ms_va_start(ap, shflags);
2306 pmode = va_arg(ap, int);
2307 __ms_va_end(ap);
2308 }
2309 else
2310 pmode = 0;
2311
2312 MSVCRT__sopen_s(&fd, path, oflags, shflags, pmode);
2313 return fd;
2314 }
2315
2316 /*********************************************************************
2317 * _open (MSVCRT.@)
2318 */
2319 int CDECL MSVCRT__open( const char *path, int flags, ... )
2320 {
2321 __ms_va_list ap;
2322
2323 if (flags & MSVCRT__O_CREAT)
2324 {
2325 int pmode;
2326 __ms_va_start(ap, flags);
2327 pmode = va_arg(ap, int);
2328 __ms_va_end(ap);
2329 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
2330 }
2331 else
2332 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
2333 }
2334
2335 /*********************************************************************
2336 * _wopen (MSVCRT.@)
2337 */
2338 int CDECL MSVCRT__wopen(const MSVCRT_wchar_t *path,int flags,...)
2339 {
2340 __ms_va_list ap;
2341
2342 if (flags & MSVCRT__O_CREAT)
2343 {
2344 int pmode;
2345 __ms_va_start(ap, flags);
2346 pmode = va_arg(ap, int);
2347 __ms_va_end(ap);
2348 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode );
2349 }
2350 else
2351 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO);
2352 }
2353
2354 /*********************************************************************
2355 * _creat (MSVCRT.@)
2356 */
2357 int CDECL MSVCRT__creat(const char *path, int flags)
2358 {
2359 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
2360 return MSVCRT__open(path, usedFlags);
2361 }
2362
2363 /*********************************************************************
2364 * _wcreat (MSVCRT.@)
2365 */
2366 int CDECL MSVCRT__wcreat(const MSVCRT_wchar_t *path, int flags)
2367 {
2368 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
2369 return MSVCRT__wopen(path, usedFlags);
2370 }
2371
2372 /*********************************************************************
2373 * _open_osfhandle (MSVCRT.@)
2374 */
2375 int CDECL MSVCRT__open_osfhandle(MSVCRT_intptr_t handle, int oflags)
2376 {
2377 DWORD flags;
2378 int fd;
2379
2380 /* MSVCRT__O_RDONLY (0) always matches, so set the read flag
2381 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
2382 * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
2383 * text - it never sets MSVCRT__O_BINARY.
2384 */
2385 /* don't let split_oflags() decide the mode if no mode is passed */
2386 if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)))
2387 oflags |= MSVCRT__O_BINARY;
2388
2389 flags = GetFileType((HANDLE)handle);
2390 if (flags==FILE_TYPE_UNKNOWN && GetLastError()!=NO_ERROR)
2391 {
2392 msvcrt_set_errno(GetLastError());
2393 return -1;
2394 }
2395
2396 if (flags == FILE_TYPE_CHAR)
2397 flags = WX_TTY;
2398 else if (flags == FILE_TYPE_PIPE)
2399 flags = WX_PIPE;
2400 else
2401 flags = 0;
2402 flags |= split_oflags(oflags);
2403
2404 fd = msvcrt_alloc_fd((HANDLE)handle, flags);
2405 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, flags);
2406 return fd;
2407 }
2408
2409 /*********************************************************************
2410 * _rmtmp (MSVCRT.@)
2411 */
2412 int CDECL MSVCRT__rmtmp(void)
2413 {
2414 int num_removed = 0, i;
2415 MSVCRT_FILE *file;
2416
2417 LOCK_FILES();
2418 for (i = 3; i < MSVCRT_stream_idx; i++) {
2419 file = msvcrt_get_file(i);
2420
2421 if (file->_tmpfname)
2422 {
2423 MSVCRT_fclose(file);
2424 num_removed++;
2425 }
2426 }
2427 UNLOCK_FILES();
2428
2429 if (num_removed)
2430 TRACE(":removed (%d) temp files\n",num_removed);
2431 return num_removed;
2432 }
2433
2434 static inline int get_utf8_char_len(char ch)
2435 {
2436 if((ch&0xf8) == 0xf0)
2437 return 4;
2438 else if((ch&0xf0) == 0xe0)
2439 return 3;
2440 else if((ch&0xe0) == 0xc0)
2441 return 2;
2442 return 1;
2443 }
2444
2445 /*********************************************************************
2446 * (internal) read_utf8
2447 */
2448 static int read_utf8(int fd, MSVCRT_wchar_t *buf, unsigned int count)
2449 {
2450 ioinfo *fdinfo = get_ioinfo_nolock(fd);
2451 HANDLE hand = fdinfo->handle;
2452 char min_buf[4], *readbuf, lookahead;
2453 DWORD readbuf_size, pos=0, num_read=1, char_len, i, j;
2454
2455 /* make the buffer big enough to hold at least one character */
2456 /* read bytes have to fit to output and lookahead buffers */
2457 count /= 2;
2458 readbuf_size = count < 4 ? 4 : count;
2459 if(readbuf_size<=4 || !(readbuf = MSVCRT_malloc(readbuf_size))) {
2460 readbuf_size = 4;
2461 readbuf = min_buf;
2462 }
2463
2464 if(fdinfo->lookahead[0] != '\n') {
2465 readbuf[pos++] = fdinfo->lookahead[0];
2466 fdinfo->lookahead[0] = '\n';
2467
2468 if(fdinfo->lookahead[1] != '\n') {
2469 readbuf[pos++] = fdinfo->lookahead[1];
2470 fdinfo->lookahead[1] = '\n';
2471
2472 if(fdinfo->lookahead[2] != '\n') {
2473 readbuf[pos++] = fdinfo->lookahead[2];
2474 fdinfo->lookahead[2] = '\n';
2475 }
2476 }
2477 }
2478
2479 /* NOTE: this case is broken in native dll, reading
2480 * sometimes fails when small buffer is passed
2481 */
2482 if(count < 4) {
2483 if(!pos && !ReadFile(hand, readbuf, 1, &num_read, NULL)) {
2484 if (GetLastError() == ERROR_BROKEN_PIPE) {
2485 fdinfo->wxflag |= WX_ATEOF;
2486 return 0;
2487 }else {
2488 msvcrt_set_errno(GetLastError());
2489 return -1;
2490 }
2491 }else if(!num_read) {
2492 fdinfo->wxflag |= WX_ATEOF;
2493 return 0;
2494 }else {
2495 pos++;
2496 }
2497
2498 char_len = get_utf8_char_len(readbuf[0]);
2499 if(char_len>pos) {
2500 if(ReadFile(hand, readbuf+pos, char_len-pos, &num_read, NULL))
2501 pos += num_read;
2502 }
2503
2504 if(readbuf[0] == '\n')
2505 fdinfo->wxflag |= WX_READNL;
2506 else
2507 fdinfo->wxflag &= ~WX_READNL;
2508
2509 if(readbuf[0] == 0x1a) {
2510 fdinfo->wxflag |= WX_ATEOF;
2511 return 0;
2512 }
2513
2514 if(readbuf[0] == '\r') {
2515 if(!ReadFile(hand, &lookahead, 1, &num_read, NULL) || num_read!=1)
2516 buf[0] = '\r';
2517 else if(lookahead == '\n')
2518 buf[0] = '\n';
2519 else {
2520 buf[0] = '\r';
2521 if(fdinfo->wxflag & (WX_PIPE | WX_TTY))
2522 fdinfo->lookahead[0] = lookahead;
2523 else
2524 SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
2525 }
2526 return 2;
2527 }
2528
2529 if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
2530 msvcrt_set_errno(GetLastError());
2531 return -1;
2532 }
2533
2534 return num_read*2;
2535 }
2536
2537 if(!ReadFile(hand, readbuf+pos, readbuf_size-pos, &num_read, NULL)) {
2538 if(pos) {
2539 num_read = 0;
2540 }else if(GetLastError() == ERROR_BROKEN_PIPE) {
2541 fdinfo->wxflag |= WX_ATEOF;
2542 if (readbuf != min_buf) MSVCRT_free(readbuf);
2543 return 0;
2544 }else {
2545 msvcrt_set_errno(GetLastError());
2546 if (readbuf != min_buf) MSVCRT_free(readbuf);
2547 return -1;
2548 }
2549 }else if(!pos && !num_read) {
2550 fdinfo->wxflag |= WX_ATEOF;
2551 if (readbuf != min_buf) MSVCRT_free(readbuf);
2552 return 0;
2553 }
2554
2555 pos += num_read;
2556 if(readbuf[0] == '\n')
2557 fdinfo->wxflag |= WX_READNL;
2558 else
2559 fdinfo->wxflag &= ~WX_READNL;
2560
2561 /* Find first byte of last character (may be incomplete) */
2562 for(i=pos-1; i>0 && i>pos-4; i--)
2563 if((readbuf[i]&0xc0) != 0x80)
2564 break;
2565 char_len = get_utf8_char_len(readbuf[i]);
2566 if(char_len+i <= pos)
2567 i += char_len;
2568
2569 if(fdinfo->wxflag & (WX_PIPE | WX_TTY)) {
2570 if(i < pos)
2571 fdinfo->lookahead[0] = readbuf[i];
2572 if(i+1 < pos)
2573 fdinfo->lookahead[1] = readbuf[i+1];
2574 if(i+2 < pos)
2575 fdinfo->lookahead[2] = readbuf[i+2];
2576 }else if(i < pos) {
2577 SetFilePointer(fdinfo->handle, i-pos, NULL, FILE_CURRENT);
2578 }
2579 pos = i;
2580
2581 for(i=0, j=0; i<pos; i++) {
2582 if(readbuf[i] == 0x1a) {
2583 fdinfo->wxflag |= WX_ATEOF;
2584 break;
2585 }
2586
2587 /* strip '\r' if followed by '\n' */
2588 if(readbuf[i] == '\r' && i+1==pos) {
2589 if(fdinfo->lookahead[0] != '\n' || !ReadFile(hand, &lookahead, 1, &num_read, NULL) || !num_read) {
2590 readbuf[j++] = '\r';
2591 }else if(lookahead == '\n' && j==0) {
2592 readbuf[j++] = '\n';
2593 }else {
2594 if(lookahead != '\n')
2595 readbuf[j++] = '\r';
2596
2597 if(fdinfo->wxflag & (WX_PIPE | WX_TTY))
2598 fdinfo->lookahead[0] = lookahead;
2599 else
2600 SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
2601 }
2602 }else if(readbuf[i]!='\r' || readbuf[i+1]!='\n') {
2603 readbuf[j++] = readbuf[i];
2604 }
2605 }
2606 pos = j;
2607
2608 if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
2609 msvcrt_set_errno(GetLastError());
2610 if (readbuf != min_buf) MSVCRT_free(readbuf);
2611 return -1;
2612 }
2613
2614 if (readbuf != min_buf) MSVCRT_free(readbuf);
2615 return num_read*2;
2616 }
2617
2618 /*********************************************************************
2619 * (internal) read_i
2620 *
2621 * When reading \r as last character in text mode, read() positions
2622 * the file pointer on the \r character while getc() goes on to
2623 * the following \n
2624 */
2625 static int read_i(int fd, void *buf, unsigned int count)
2626 {
2627 DWORD num_read, utf16;
2628 char *bufstart = buf;
2629 HANDLE hand = msvcrt_fdtoh(fd);
2630 ioinfo *fdinfo = get_ioinfo_nolock(fd);
2631
2632 if (count == 0)
2633 return 0;
2634
2635 if (fdinfo->wxflag & WX_ATEOF) {
2636 TRACE("already at EOF, returning 0\n");
2637 return 0;
2638 }
2639 /* Don't trace small reads, it gets *very* annoying */
2640 if (count > 4)
2641 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
2642 if (hand == INVALID_HANDLE_VALUE)
2643 {
2644 *MSVCRT__errno() = MSVCRT_EBADF;
2645 return -1;
2646 }
2647
2648 utf16 = (fdinfo->exflag & EF_UTF16) != 0;
2649 if (((fdinfo->exflag&EF_UTF8) || utf16) && count&1)
2650 {
2651 *MSVCRT__errno() = MSVCRT_EINVAL;
2652 return -1;
2653 }
2654
2655 if((fdinfo->wxflag&WX_TEXT) && (fdinfo->exflag&EF_UTF8))
2656 return read_utf8(fd, buf, count);
2657
2658 if (fdinfo->lookahead[0]!='\n' || ReadFile(hand, bufstart, count, &num_read, NULL))
2659 {
2660 if (fdinfo->lookahead[0] != '\n')
2661 {
2662 bufstart[0] = fdinfo->lookahead[0];
2663 fdinfo->lookahead[0] = '\n';
2664
2665 if (utf16)
2666 {
2667 bufstart[1] = fdinfo->lookahead[1];
2668 fdinfo->lookahead[1] = '\n';
2669 }
2670
2671 if(count>1+utf16 && ReadFile(hand, bufstart+1+utf16, count-1-utf16, &num_read, NULL))
2672 num_read += 1+utf16;
2673 else
2674 num_read = 1+utf16;
2675 }
2676
2677 if(utf16 && (num_read&1))
2678 {
2679 /* msvcr90 uses uninitialized value from the buffer in this case */
2680 /* msvcrt ignores additional data */
2681 ERR("got odd number of bytes in UTF16 mode\n");
2682 num_read--;
2683 }
2684
2685 if (count != 0 && num_read == 0)
2686 {
2687 fdinfo->wxflag |= WX_ATEOF;
2688 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
2689 }
2690 else if (fdinfo->wxflag & WX_TEXT)
2691 {
2692 DWORD i, j;
2693
2694 if (bufstart[0]=='\n' && (!utf16 || bufstart[1]==0))
2695 fdinfo->wxflag |= WX_READNL;
2696 else
2697 fdinfo->wxflag &= ~WX_READNL;
2698
2699 for (i=0, j=0; i<num_read; i+=1+utf16)
2700 {
2701 /* in text mode, a ctrl-z signals EOF */
2702 if (bufstart[i]==0x1a && (!utf16 || bufstart[i+1]==0))
2703 {
2704 fdinfo->wxflag |= WX_ATEOF;
2705 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
2706 break;
2707 }
2708
2709 /* in text mode, strip \r if followed by \n */
2710 if (bufstart[i]=='\r' && (!utf16 || bufstart[i+1]==0) && i+1+utf16==num_read)
2711 {
2712 char lookahead[2];
2713 DWORD len;
2714
2715 lookahead[1] = '\n';
2716 if (ReadFile(hand, lookahead, 1+utf16, &len, NULL) && len)
2717 {
2718 if(lookahead[0]=='\n' && (!utf16 || lookahead[1]==0) && j==0)
2719 {
2720 bufstart[j++] = '\n';
2721 if(utf16) bufstart[j++] = 0;
2722 }
2723 else
2724 {
2725 if(lookahead[0]!='\n' || (utf16 && lookahead[1]!=0))
2726 {
2727 bufstart[j++] = '\r';
2728 if(utf16) bufstart[j++] = 0;
2729 }
2730
2731 if (fdinfo->wxflag & (WX_PIPE | WX_TTY))
2732 {
2733 if (lookahead[0]=='\n' && (!utf16 || !lookahead[1]))
2734 {
2735 bufstart[j++] = '\n';
2736 if (utf16) bufstart[j++] = 0;
2737 }
2738 else
2739 {
2740 fdinfo->lookahead[0] = lookahead[0];
2741 fdinfo->lookahead[1] = lookahead[1];
2742 }
2743 }
2744 else
2745 SetFilePointer(fdinfo->handle, -1-utf16, NULL, FILE_CURRENT);
2746 }
2747 }
2748 else
2749 {
2750 bufstart[j++] = '\r';
2751 if(utf16) bufstart[j++] = 0;
2752 }
2753 }
2754 else if((bufstart[i]!='\r' || (utf16 && bufstart[i+1]!=0))
2755 || (bufstart[i+1+utf16]!='\n' || (utf16 && bufstart[i+3]!=0)))
2756 {
2757 bufstart[j++] = bufstart[i];
2758 if(utf16) bufstart[j++] = bufstart[i+1];
2759 }
2760 }
2761 num_read = j;
2762 }
2763 }
2764 else
2765 {
2766 if (GetLastError() == ERROR_BROKEN_PIPE)
2767 {
2768 TRACE(":end-of-pipe\n");
2769 fdinfo->wxflag |= WX_ATEOF;
2770 return 0;
2771 }
2772 else
2773 {
2774 TRACE(":failed-last error (%d)\n",GetLastError());
2775 return -1;
2776 }
2777 }
2778
2779 if (count > 4)
2780 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
2781 return num_read;
2782 }
2783
2784 /*********************************************************************
2785 * _read (MSVCRT.@)
2786 */
2787 int CDECL MSVCRT__read(int fd, void *buf, unsigned int count)
2788 {
2789 int num_read;
2790 num_read = read_i(fd, buf, count);
2791 return num_read;
2792 }
2793
2794 /*********************************************************************
2795 * _setmode (MSVCRT.@)
2796 */
2797 int CDECL MSVCRT__setmode(int fd,int mode)
2798 {
2799 int ret = get_ioinfo_nolock(fd)->wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
2800 if(ret==MSVCRT__O_TEXT && (get_ioinfo_nolock(fd)->exflag & (EF_UTF8|EF_UTF16)))
2801 ret = MSVCRT__O_WTEXT;
2802
2803 if(mode!=MSVCRT__O_TEXT && mode!=MSVCRT__O_BINARY && mode!=MSVCRT__O_WTEXT
2804 && mode!=MSVCRT__O_U16TEXT && mode!=MSVCRT__O_U8TEXT) {
2805 *MSVCRT__errno() = MSVCRT_EINVAL;
2806 return -1;
2807 }
2808
2809 if(mode == MSVCRT__O_BINARY) {
2810 get_ioinfo_nolock(fd)->wxflag &= ~WX_TEXT;
2811 get_ioinfo_nolock(fd)->exflag &= ~(EF_UTF8|EF_UTF16);
2812 return ret;
2813 }
2814
2815 get_ioinfo_nolock(fd)->wxflag |= WX_TEXT;
2816 if(mode == MSVCRT__O_TEXT)
2817 get_ioinfo_nolock(fd)->exflag &= ~(EF_UTF8|EF_UTF16);
2818 else if(mode == MSVCRT__O_U8TEXT)
2819 get_ioinfo_nolock(fd)->exflag = (get_ioinfo_nolock(fd)->exflag & ~EF_UTF16) | EF_UTF8;
2820 else
2821 get_ioinfo_nolock(fd)->exflag = (get_ioinfo_nolock(fd)->exflag & ~EF_UTF8) | EF_UTF16;
2822
2823 return ret;
2824 }
2825
2826 /*********************************************************************
2827 * _stat64 (MSVCRT.@)
2828 */
2829 int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
2830 {
2831 DWORD dw;
2832 WIN32_FILE_ATTRIBUTE_DATA hfi;
2833 unsigned short mode = ALL_S_IREAD;
2834 int plen;
2835
2836 TRACE(":file (%s) buf(%p)\n",path,buf);
2837
2838 plen = strlen(path);
2839 while (plen && path[plen-1]==' ')
2840 plen--;
2841
2842 if (plen && (plen<2 || path[plen-2]!=':') &&
2843 (path[plen-1]==':' || path[plen-1]=='\\' || path[plen-1]=='/'))
2844 {
2845 *MSVCRT__errno() = MSVCRT_ENOENT;
2846 return -1;
2847 }
2848
2849 if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
2850 {
2851 TRACE("failed (%d)\n",GetLastError());
2852 *MSVCRT__errno() = MSVCRT_ENOENT;
2853 return -1;
2854 }
2855
2856 memset(buf,0,sizeof(struct MSVCRT__stat64));
2857
2858 /* FIXME: rdev isn't drive num, despite what the docs say-what is it?
2859 Bon 011120: This FIXME seems incorrect
2860 Also a letter as first char isn't enough to be classified
2861 as a drive letter
2862 */
2863 if (isalpha(*path)&& (*(path+1)==':'))
2864 buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
2865 else
2866 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2867
2868 /* Dir, or regular file? */
2869 if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
2870 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2871 else
2872 {
2873 mode |= MSVCRT__S_IFREG;
2874 /* executable? */
2875 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2876 {
2877 unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
2878 (tolower(path[plen-3]) << 16);
2879 if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
2880 mode |= ALL_S_IEXEC;
2881 }
2882 }
2883
2884 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2885 mode |= ALL_S_IWRITE;
2886
2887 buf->st_mode = mode;
2888 buf->st_nlink = 1;
2889 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2890 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2891 buf->st_atime = dw;
2892 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2893 buf->st_mtime = buf->st_ctime = dw;
2894 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2895 (int)(buf->st_size >> 32),(int)buf->st_size,
2896 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2897 return 0;
2898 }
2899
2900 /*********************************************************************
2901 * _stati64 (MSVCRT.@)
2902 */
2903 int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf)
2904 {
2905 int ret;
2906 struct MSVCRT__stat64 buf64;
2907
2908 ret = MSVCRT_stat64(path, &buf64);
2909 if (!ret)
2910 msvcrt_stat64_to_stati64(&buf64, buf);
2911 return ret;
2912 }
2913
2914 /*********************************************************************
2915 * _stat (MSVCRT.@)
2916 */
2917 int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf)
2918 {
2919 int ret;
2920 struct MSVCRT__stat64 buf64;
2921
2922 ret = MSVCRT_stat64( path, &buf64);
2923 if (!ret)
2924 msvcrt_stat64_to_stat(&buf64, buf);
2925 return ret;
2926 }
2927
2928 /*********************************************************************
2929 * _stat32 (MSVCR100.@)
2930 */
2931 int CDECL MSVCRT__stat32(const char *path, struct MSVCRT__stat32 *buf)
2932 {
2933 int ret;
2934 struct MSVCRT__stat64 buf64;
2935
2936 ret = MSVCRT_stat64(path, &buf64);
2937 if (!ret)
2938 msvcrt_stat64_to_stat32(&buf64, buf);
2939 return ret;
2940 }
2941
2942 /*********************************************************************
2943 * _stat32i64 (MSVCR100.@)
2944 */
2945 int CDECL MSVCRT__stat32i64(const char *path, struct MSVCRT__stat32i64 *buf)
2946 {
2947 int ret;
2948 struct MSVCRT__stat64 buf64;
2949
2950 ret = MSVCRT_stat64(path, &buf64);
2951 if (!ret)
2952 msvcrt_stat64_to_stat32i64(&buf64, buf);
2953 return ret;
2954 }
2955
2956 /*********************************************************************
2957 * _stat64i32 (MSVCR100.@)
2958 */
2959 int CDECL MSVCRT__stat64i32(const char* path, struct MSVCRT__stat64i32 *buf)
2960 {
2961 int ret;
2962 struct MSVCRT__stat64 buf64;
2963
2964 ret = MSVCRT_stat64(path, &buf64);
2965 if (!ret)
2966 msvcrt_stat64_to_stat64i32(&buf64, buf);
2967 return ret;
2968 }
2969
2970 /*********************************************************************
2971 * _wstat64 (MSVCRT.@)
2972 */
2973 int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf)
2974 {
2975 DWORD dw;
2976 WIN32_FILE_ATTRIBUTE_DATA hfi;
2977 unsigned short mode = ALL_S_IREAD;
2978 int plen;
2979
2980 TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
2981
2982 plen = strlenW(path);
2983 while (plen && path[plen-1]==' ')
2984 plen--;
2985
2986 if(plen && (plen<2 || path[plen-2]!=':') &&
2987 (path[plen-1]==':' || path[plen-1]=='\\' || path[plen-1]=='/'))
2988 {
2989 *MSVCRT__errno() = MSVCRT_ENOENT;
2990 return -1;
2991 }
2992
2993 if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
2994 {
2995 TRACE("failed (%d)\n",GetLastError());
2996 *MSVCRT__errno() = MSVCRT_ENOENT;
2997 return -1;
2998 }
2999
3000 memset(buf,0,sizeof(struct MSVCRT__stat64));
3001
3002 /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
3003 if (MSVCRT_iswalpha(*path))
3004 buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
3005 else
3006 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
3007
3008 /* Dir, or regular file? */
3009 if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
3010 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
3011 else
3012 {
3013 mode |= MSVCRT__S_IFREG;
3014 /* executable? */
3015 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
3016 {
3017 ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
3018 ((ULONGLONG)tolowerW(path[plen-3]) << 32);
3019 if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
3020 mode |= ALL_S_IEXEC;
3021 }
3022 }
3023
3024 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
3025 mode |= ALL_S_IWRITE;
3026
3027 buf->st_mode = mode;
3028 buf->st_nlink = 1;
3029 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
3030 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
3031 buf->st_atime = dw;
3032 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
3033 buf->st_mtime = buf->st_ctime = dw;
3034 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
3035 (int)(buf->st_size >> 32),(int)buf->st_size,
3036 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
3037 return 0;
3038 }
3039
3040 /*********************************************************************
3041 * _wstati64 (MSVCRT.@)
3042 */
3043 int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
3044 {
3045 int ret;
3046 struct MSVCRT__stat64 buf64;
3047
3048 ret = MSVCRT__wstat64(path, &buf64);
3049 if (!ret)
3050 msvcrt_stat64_to_stati64(&buf64, buf);
3051 return ret;
3052 }
3053
3054 /*********************************************************************
3055 * _wstat (MSVCRT.@)
3056 */
3057 int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
3058 {
3059 int ret;
3060 struct MSVCRT__stat64 buf64;
3061
3062 ret = MSVCRT__wstat64( path, &buf64 );
3063 if (!ret) msvcrt_stat64_to_stat(&buf64, buf);
3064 return ret;
3065 }
3066
3067 /*********************************************************************
3068 * _wstat32 (MSVCR100.@)
3069 */
3070 int CDECL MSVCRT__wstat32(const MSVCRT_wchar_t *path, struct MSVCRT__stat32 *buf)
3071 {
3072 int ret;
3073 struct MSVCRT__stat64 buf64;
3074
3075 ret = MSVCRT__wstat64(path, &buf64);
3076 if (!ret)
3077 msvcrt_stat64_to_stat32(&buf64, buf);
3078 return ret;
3079 }
3080
3081 /*********************************************************************
3082 * _wstat32i64 (MSVCR100.@)
3083 */
3084 int CDECL MSVCRT__wstat32i64(const MSVCRT_wchar_t *path, struct MSVCRT__stat32i64 *buf)
3085 {
3086 int ret;
3087 struct MSVCRT__stat64 buf64;
3088
3089 ret = MSVCRT__wstat64(path, &buf64);
3090 if (!ret)
3091 msvcrt_stat64_to_stat32i64(&buf64, buf);
3092 return ret;
3093 }
3094
3095 /*********************************************************************
3096 * _wstat64i32 (MSVCR100.@)
3097 */
3098 int CDECL MSVCRT__wstat64i32(const MSVCRT_wchar_t *path, struct MSVCRT__stat64i32 *buf)
3099 {
3100 int ret;
3101 struct MSVCRT__stat64 buf64;
3102
3103 ret = MSVCRT__wstat64(path, &buf64);
3104 if (!ret)
3105 msvcrt_stat64_to_stat64i32(&buf64, buf);
3106 return ret;
3107 }
3108
3109 /*********************************************************************
3110 * _tell (MSVCRT.@)
3111 */
3112 MSVCRT_long CDECL MSVCRT__tell(int fd)
3113 {
3114 return MSVCRT__lseek(fd, 0, SEEK_CUR);
3115 }
3116
3117 /*********************************************************************
3118 * _telli64 (MSVCRT.@)
3119 */
3120 __int64 CDECL _telli64(int fd)
3121 {
3122 return MSVCRT__lseeki64(fd, 0, SEEK_CUR);
3123 }
3124
3125 /*********************************************************************
3126 * _tempnam (MSVCRT.@)
3127 */
3128 char * CDECL MSVCRT__tempnam(const char *dir, const char *prefix)
3129 {
3130 char tmpbuf[MAX_PATH];
3131 const char *tmp_dir = MSVCRT_getenv("TMP");
3132
3133 if (tmp_dir) dir = tmp_dir;
3134
3135 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
3136 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
3137 {
3138 TRACE("got name (%s)\n",tmpbuf);
3139 DeleteFileA(tmpbuf);
3140 return MSVCRT__strdup(tmpbuf);
3141 }
3142 TRACE("failed (%d)\n",GetLastError());
3143 return NULL;
3144 }
3145
3146 /*********************************************************************
3147 * _wtempnam (MSVCRT.@)
3148 */
3149 MSVCRT_wchar_t * CDECL MSVCRT__wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
3150 {
3151 static const MSVCRT_wchar_t tmpW[] = {'T','M','P',0};
3152 MSVCRT_wchar_t tmpbuf[MAX_PATH];
3153 const MSVCRT_wchar_t *tmp_dir = MSVCRT__wgetenv(tmpW);
3154
3155 if (tmp_dir) dir = tmp_dir;
3156
3157 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
3158 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
3159 {
3160 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
3161 DeleteFileW(tmpbuf);
3162 return MSVCRT__wcsdup(tmpbuf);
3163 }
3164 TRACE("failed (%d)\n",GetLastError());
3165 return NULL;
3166 }
3167
3168 /*********************************************************************
3169 * _umask (MSVCRT.@)
3170 */
3171 int CDECL MSVCRT__umask(int umask)
3172 {
3173 int old_umask = MSVCRT_umask;
3174 TRACE("(%d)\n",umask);
3175 MSVCRT_umask = umask;
3176 return old_umask;
3177 }
3178
3179 /*********************************************************************
3180 * _utime64 (MSVCRT.@)
3181 */
3182 int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t)
3183 {
3184 int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
3185
3186 if (fd > 0)
3187 {
3188 int retVal = _futime64(fd, t);
3189 MSVCRT__close(fd);
3190 return retVal;
3191 }
3192 return -1;
3193 }
3194
3195 /*********************************************************************
3196 * _utime32 (MSVCRT.@)
3197 */
3198 int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t)
3199 {
3200 if (t)
3201 {
3202 struct MSVCRT___utimbuf64 t64;
3203 t64.actime = t->actime;
3204 t64.modtime = t->modtime;
3205 return _utime64( path, &t64 );
3206 }
3207 else
3208 return _utime64( path, NULL );
3209 }
3210
3211 /*********************************************************************
3212 * _utime (MSVCRT.@)
3213 */
3214 #ifdef _WIN64
3215 int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t)
3216 {
3217 return _utime64( path, t );
3218 }
3219 #else
3220 int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t)
3221 {
3222 return _utime32( path, t );
3223 }
3224 #endif
3225
3226 /*********************************************************************
3227 * _wutime64 (MSVCRT.@)
3228 */
3229 int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
3230 {
3231 int fd = MSVCRT__wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
3232
3233 if (fd > 0)
3234 {
3235 int retVal = _futime64(fd, t);
3236 MSVCRT__close(fd);
3237 return retVal;
3238 }
3239 return -1;
3240 }
3241
3242 /*********************************************************************
3243 * _wutime32 (MSVCRT.@)
3244 */
3245 int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
3246 {
3247 if (t)
3248 {
3249 struct MSVCRT___utimbuf64 t64;
3250 t64.actime = t->actime;
3251 t64.modtime = t->modtime;
3252 return _wutime64( path, &t64 );
3253 }
3254 else
3255 return _wutime64( path, NULL );
3256 }
3257
3258 /*********************************************************************
3259 * _wutime (MSVCRT.@)
3260 */
3261 #ifdef _WIN64
3262 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
3263 {
3264 return _wutime64( path, t );
3265 }
3266 #else
3267 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
3268 {
3269 return _wutime32( path, t );
3270 }
3271 #endif
3272
3273 /*********************************************************************
3274 * _write (MSVCRT.@)
3275 */
3276 int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
3277 {
3278 DWORD num_written;
3279 ioinfo *info = get_ioinfo_nolock(fd);
3280 HANDLE hand = info->handle;
3281
3282 /* Don't trace small writes, it gets *very* annoying */
3283 #if 0
3284 if (count > 32)
3285 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
3286 #endif
3287 if (hand == INVALID_HANDLE_VALUE)
3288 {
3289 *MSVCRT__errno() = MSVCRT_EBADF;
3290 return -1;
3291 }
3292
3293 if (((info->exflag&EF_UTF8) || (info->exflag&EF_UTF16)) && count&1)
3294 {
3295 *MSVCRT__errno() = MSVCRT_EINVAL;
3296 return -1;
3297 }
3298
3299 /* If appending, go to EOF */
3300 if (info->wxflag & WX_APPEND)
3301 MSVCRT__lseek(fd, 0, FILE_END);
3302
3303 if (!(info->wxflag & WX_TEXT))
3304 {
3305 if (WriteFile(hand, buf, count, &num_written, NULL)
3306 && (num_written == count))
3307 return num_written;
3308 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
3309 hand, GetLastError());
3310 *MSVCRT__errno() = MSVCRT_ENOSPC;
3311 }
3312 else
3313 {
3314 unsigned int i, j, nr_lf, size;
3315 char *p = NULL;
3316 const char *q;
3317 const char *s = buf, *buf_start = buf;
3318
3319 if (!(info->exflag & (EF_UTF8|EF_UTF16)))
3320 {
3321 /* find number of \n */
3322 for (nr_lf=0, i=0; i<count; i++)
3323 if (s[i] == '\n')
3324 nr_lf++;
3325 if (nr_lf)
3326 {
3327 size = count+nr_lf;
3328 if ((q = p = MSVCRT_malloc(size)))
3329 {
3330 for (s = buf, i = 0, j = 0; i < count; i++)
3331 {
3332 if (s[i] == '\n')
3333 p[j++] = '\r';
3334 p[j++] = s[i];
3335 }
3336 }
3337 else
3338 {
3339 FIXME("Malloc failed\n");
3340 nr_lf = 0;
3341 size = count;
3342 q = buf;
3343 }
3344 }
3345 else
3346 {
3347 size = count;
3348 q = buf;
3349 }
3350 }
3351 else if (info->exflag & EF_UTF16)
3352 {
3353 for (nr_lf=0, i=0; i<count; i+=2)
3354 if (s[i]=='\n' && s[i+1]==0)
3355 nr_lf += 2;
3356 if (nr_lf)
3357 {
3358 size = count+nr_lf;
3359 if ((q = p = MSVCRT_malloc(size)))
3360 {
3361 for (s=buf, i=0, j=0; i<count; i++)
3362 {
3363 if (s[i]=='\n' && s[i+1]==0)
3364 {
3365 p[j++] = '\r';
3366 p[j++] = 0;
3367 }
3368 p[j++] = s[i++];
3369 p[j++] = s[i];
3370 }
3371 }
3372 else
3373 {
3374 FIXME("Malloc failed\n");
3375 nr_lf = 0;
3376 size = count;
3377 q = buf;
3378 }
3379 }
3380 else
3381 {
3382 size = count;
3383 q = buf;
3384 }
3385 }
3386 else
3387 {
3388 DWORD conv_len;
3389
3390 for(nr_lf=0, i=0; i<count; i+=2)
3391 if (s[i]=='\n' && s[i+1]==0)
3392 nr_lf++;
3393
3394 conv_len = WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)buf, count/2, NULL, 0, NULL, NULL);
3395 if(!conv_len) {
3396 msvcrt_set_errno(GetLastError());
3397 MSVCRT_free(p);
3398 return -1;
3399 }
3400
3401 size = conv_len+nr_lf;
3402 if((p = MSVCRT_malloc(count+nr_lf*2+size)))
3403 {
3404 for (s=buf, i=0, j=0; i<count; i++)
3405 {
3406 if (s[i]=='\n' && s[i+1]==0)
3407 {
3408 p[j++] = '\r';
3409 p[j++] = 0;
3410 }
3411 p[j++] = s[i++];
3412 p[j++] = s[i];
3413 }
3414 q = p+count+nr_lf*2;
3415 WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)p, count/2+nr_lf,
3416 p+count+nr_lf*2, conv_len+nr_lf, NULL, NULL);
3417 }
3418 else
3419 {
3420 FIXME("Malloc failed\n");
3421 nr_lf = 0;
3422 size = count;
3423 q = buf;
3424 }
3425 }
3426
3427 if (!WriteFile(hand, q, size, &num_written, NULL))
3428 num_written = -1;
3429 if(p)
3430 MSVCRT_free(p);
3431 if (num_written != size)
3432 {
3433 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
3434 fd, hand, GetLastError(), num_written);
3435 *MSVCRT__errno() = MSVCRT_ENOSPC;
3436 return s - buf_start;
3437 }
3438 return count;
3439 }
3440
3441 return -1;
3442 }
3443
3444 /*********************************************************************
3445 * _putw (MSVCRT.@)
3446 */
3447 int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
3448 {
3449 int len;
3450
3451 MSVCRT__lock_file(file);
3452 len = MSVCRT__write(file->_file, &val, sizeof(val));
3453 if (len == sizeof(val)) {
3454 MSVCRT__unlock_file(file);
3455 return val;
3456 }
3457
3458 file->_flag |= MSVCRT__IOERR;
3459 MSVCRT__unlock_file(file);
3460 return MSVCRT_EOF;
3461 }
3462
3463 /*********************************************************************
3464 * fclose (MSVCRT.@)
3465 */
3466 int CDECL MSVCRT_fclose(MSVCRT_FILE* file)
3467 {
3468 int ret;
3469
3470 MSVCRT__lock_file(file);
3471 ret = MSVCRT__fclose_nolock(file);
3472 MSVCRT__unlock_file(file);
3473
3474 return ret;
3475 }
3476
3477 /*********************************************************************
3478 * _fclose_nolock (MSVCRT.@)
3479 */
3480 int CDECL MSVCRT__fclose_nolock(MSVCRT_FILE* file)
3481 {
3482 int r, flag;
3483
3484 flag = file->_flag;
3485 MSVCRT_free(file->_tmpfname);
3486 file->_tmpfname = NULL;
3487 /* flush stdio buffers */
3488 if(file->_flag & MSVCRT__IOWRT)
3489 MSVCRT__fflush_nolock(file);
3490 if(file->_flag & MSVCRT__IOMYBUF)
3491 MSVCRT_free(file->_base);
3492
3493 r=MSVCRT__close(file->_file);
3494 file->_flag = 0;
3495
3496 return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
3497 }
3498
3499 /*********************************************************************
3500 * feof (MSVCRT.@)
3501 */
3502 int CDECL MSVCRT_feof(MSVCRT_FILE* file)
3503 {
3504 return file->_flag & MSVCRT__IOEOF;
3505 }
3506
3507 /*********************************************************************
3508 * ferror (MSVCRT.@)
3509 */
3510 int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
3511 {
3512 return file->_flag & MSVCRT__IOERR;
3513 }
3514
3515 /*********************************************************************
3516 * _filbuf (MSVCRT.@)
3517 */
3518 int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
3519 {
3520 unsigned char c;
3521
3522 if(file->_flag & MSVCRT__IOSTRG)
3523 return MSVCRT_EOF;
3524
3525 /* Allocate buffer if needed */
3526 if(!(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF)))
3527 msvcrt_alloc_buffer(file);
3528
3529 if(!(file->_flag & MSVCRT__IOREAD)) {
3530 if(file->_flag & MSVCRT__IORW)
3531 file->_flag |= MSVCRT__IOREAD;
3532 else
3533 return MSVCRT_EOF;
3534 }
3535
3536 if(!(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF))) {
3537 int r;
3538 if ((r = read_i(file->_file,&c,1)) != 1) {
3539 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
3540 return MSVCRT_EOF;
3541 }
3542
3543 return c;
3544 } else {
3545 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
3546 if(file->_cnt<=0) {
3547 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
3548 file->_cnt = 0;
3549 return MSVCRT_EOF;
3550 }
3551
3552 file->_cnt--;
3553 file->_ptr = file->_base+1;
3554 c = *(unsigned char *)file->_base;
3555 return c;
3556 }
3557 }
3558
3559 /*********************************************************************
3560 * fgetc (MSVCRT.@)
3561 */
3562 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
3563 {
3564 int ret;
3565
3566 MSVCRT__lock_file(file);
3567 ret = MSVCRT__fgetc_nolock(file);
3568 MSVCRT__unlock_file(file);
3569
3570 return ret;
3571 }
3572
3573 /*********************************************************************
3574 * _fgetc_nolock (MSVCRT.@)
3575 */
3576 int CDECL MSVCRT__fgetc_nolock(MSVCRT_FILE* file)
3577 {
3578 unsigned char *i;
3579 unsigned int j;
3580
3581 if (file->_cnt>0) {
3582 file->_cnt--;
3583 i = (unsigned char *)file->_ptr++;
3584 j = *i;
3585 } else
3586 j = MSVCRT__filbuf(file);
3587
3588 return j;
3589 }
3590
3591 /*********************************************************************
3592 * _fgetchar (MSVCRT.@)
3593 */
3594 int CDECL MSVCRT__fgetchar(void)
3595 {
3596 return MSVCRT_fgetc(MSVCRT_stdin);
3597 }
3598
3599 /*********************************************************************
3600 * fgets (MSVCRT.@)
3601 */
3602 char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
3603 {
3604 int cc = MSVCRT_EOF;
3605 char * buf_start = s;
3606
3607 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
3608 file,file->_file,s,size);
3609
3610 MSVCRT__lock_file(file);
3611
3612 while ((size >1) && (cc = MSVCRT__fgetc_nolock(file)) != MSVCRT_EOF && cc != '\n')
3613 {
3614 *s++ = (char)cc;
3615 size --;
3616 }
3617 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
3618 {
3619 TRACE(":nothing read\n");
3620 MSVCRT__unlock_file(file);
3621 return NULL;
3622 }
3623 if ((cc != MSVCRT_EOF) && (size > 1))
3624 *s++ = cc;
3625 *s = '\0';
3626 TRACE(":got %s\n", debugstr_a(buf_start));
3627 MSVCRT__unlock_file(file);
3628 return buf_start;
3629 }
3630
3631 /*********************************************************************
3632 * fgetwc (MSVCRT.@)
3633 */
3634 MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
3635 {
3636 MSVCRT_wint_t ret;
3637
3638 MSVCRT__lock_file(file);
3639 ret = MSVCRT__fgetwc_nolock(file);
3640 MSVCRT__unlock_file(file);
3641
3642 return ret;
3643 }
3644
3645 /*********************************************************************
3646 * _fgetwc_nolock (MSVCRT.@)
3647 */
3648 MSVCRT_wint_t CDECL MSVCRT__fgetwc_nolock(MSVCRT_FILE* file)
3649 {
3650 MSVCRT_wint_t ret;
3651 int ch;
3652
3653 if((get_ioinfo_nolock(file->_file)->exflag & (EF_UTF8 | EF_UTF16))
3654 || !(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
3655 char *p;
3656
3657 for(p=(char*)&ret; (MSVCRT_wint_t*)p<&ret+1; p++) {
3658 ch = MSVCRT__fgetc_nolock(file);
3659 if(ch == MSVCRT_EOF) {
3660 ret = MSVCRT_WEOF;
3661 break;
3662 }
3663 *p = (char)ch;
3664 }
3665 }else {
3666 char mbs[MSVCRT_MB_LEN_MAX];
3667 int len = 0;
3668
3669 ch = MSVCRT__fgetc_nolock(file);
3670 if(ch != MSVCRT_EOF) {
3671 mbs[0] = (char)ch;
3672 if(MSVCRT_isleadbyte((unsigned char)mbs[0])) {
3673 ch = MSVCRT__fgetc_nolock(file);
3674 if(ch != MSVCRT_EOF) {
3675 mbs[1] = (char)ch;
3676 len = 2;
3677 }
3678 }else {
3679 len = 1;
3680 }
3681 }
3682
3683 if(!len || MSVCRT_mbtowc(&ret, mbs, len)==-1)
3684 ret = MSVCRT_WEOF;
3685 }
3686
3687 return ret;
3688 }
3689
3690 /*********************************************************************
3691 * _getw (MSVCRT.@)
3692 */
3693 int CDECL MSVCRT__getw(MSVCRT_FILE* file)
3694 {
3695 char *ch;
3696 int i, k;
3697 unsigned int j;
3698 ch = (char *)&i;
3699
3700 MSVCRT__lock_file(file);
3701 for (j=0; j<sizeof(int); j++) {
3702 k = MSVCRT__fgetc_nolock(file);
3703 if (k == MSVCRT_EOF) {
3704 file->_flag |= MSVCRT__IOEOF;
3705 MSVCRT__unlock_file(file);
3706 return EOF;
3707 }
3708 ch[j] = k;
3709 }
3710
3711 MSVCRT__unlock_file(file);
3712 return i;
3713 }
3714
3715 /*********************************************************************
3716 * getwc (MSVCRT.@)
3717 */
3718 MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
3719 {
3720 return MSVCRT_fgetwc(file);
3721 }
3722
3723 /*********************************************************************
3724 * _fgetwchar (MSVCRT.@)
3725 */
3726 MSVCRT_wint_t CDECL MSVCRT__fgetwchar(void)
3727 {
3728 return MSVCRT_fgetwc(MSVCRT_stdin);
3729 }
3730
3731 /*********************************************************************
3732 * getwchar (MSVCRT.@)
3733 */
3734 MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
3735 {
3736 return MSVCRT__fgetwchar();
3737 }
3738
3739 /*********************************************************************
3740 * fgetws (MSVCRT.@)
3741 */
3742 MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
3743 {
3744 MSVCRT_wint_t cc = MSVCRT_WEOF;
3745 MSVCRT_wchar_t * buf_start = s;
3746
3747 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
3748 file,file->_file,s,size);
3749
3750 MSVCRT__lock_file(file);
3751
3752 while ((size >1) && (cc = MSVCRT__fgetwc_nolock(file)) != MSVCRT_WEOF && cc != '\n')
3753 {
3754 *s++ = cc;
3755 size --;
3756 }
3757 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
3758 {
3759 TRACE(":nothing read\n");
3760 MSVCRT__unlock_file(file);
3761 return NULL;
3762 }
3763 if ((cc != MSVCRT_WEOF) && (size > 1))
3764 *s++ = cc;
3765 *s = 0;
3766 TRACE(":got %s\n", debugstr_w(buf_start));
3767 MSVCRT__unlock_file(file);
3768 return buf_start;
3769 }
3770
3771 /*********************************************************************
3772 * _flsbuf (MSVCRT.@)
3773 */
3774 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
3775 {
3776 /* Flush output buffer */
3777 if(!(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF))) {
3778 msvcrt_alloc_buffer(file);
3779 }
3780
3781 if(!(file->_flag & MSVCRT__IOWRT)) {
3782 if(!(file->_flag & MSVCRT__IORW)) {
3783 file->_flag |= MSVCRT__IOERR;
3784 return MSVCRT_EOF;
3785 }
3786 file->_flag |= MSVCRT__IOWRT;
3787 }
3788 if(file->_flag & MSVCRT__IOREAD) {
3789 if(!(file->_flag & MSVCRT__IOEOF)) {
3790 file->_flag |= MSVCRT__IOERR;
3791 return MSVCRT_EOF;
3792 }
3793 file->_cnt = 0;
3794 file->_ptr = file->_base;
3795 file->_flag &= ~(MSVCRT__IOREAD | MSVCRT__IOEOF);
3796 }
3797
3798 if(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) {
3799 int res = 0;
3800
3801 if(file->_cnt <= 0) {
3802 res = msvcrt_flush_buffer(file);
3803 if(res)
3804 return res;
3805 file->_flag |= MSVCRT__IOWRT;
3806 file->_cnt=file->_bufsiz;
3807 }
3808 *file->_ptr++ = c;
3809 file->_cnt--;
3810 return c&0xff;
3811 } else {
3812 unsigned char cc=c;
3813 int len;
3814 /* set _cnt to 0 for unbuffered FILEs */
3815 file->_cnt = 0;
3816 len = MSVCRT__write(file->_file, &cc, 1);
3817 if (len == 1)
3818 return c & 0xff;
3819 file->_flag |= MSVCRT__IOERR;
3820 return MSVCRT_EOF;
3821 }
3822 }
3823
3824 /*********************************************************************
3825 * fwrite (MSVCRT.@)
3826 */
3827 MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3828 {
3829 MSVCRT_size_t ret;
3830
3831 MSVCRT__lock_file(file);
3832 ret = MSVCRT__fwrite_nolock(ptr, size, nmemb, file);
3833 MSVCRT__unlock_file(file);
3834
3835 return ret;
3836 }
3837
3838 /*********************************************************************
3839 * _fwrite_nolock (MSVCRT.@)
3840 */
3841 MSVCRT_size_t CDECL MSVCRT__fwrite_nolock(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3842 {
3843 MSVCRT_size_t wrcnt=size * nmemb;
3844 int written = 0;
3845 if (size == 0)
3846 return 0;
3847
3848 while(wrcnt) {
3849 if(file->_cnt < 0) {
3850 WARN("negative file->_cnt value in %p\n", file);
3851 file->_flag |= MSVCRT__IOERR;
3852 break;
3853 } else if(file->_cnt) {
3854 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
3855 memcpy(file->_ptr, ptr, pcnt);
3856 file->_cnt -= pcnt;
3857 file->_ptr += pcnt;
3858 written += pcnt;
3859 wrcnt -= pcnt;
3860 ptr = (const char*)ptr + pcnt;
3861 } else if((file->_flag & MSVCRT__IONBF)
3862 || ((file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) && wrcnt >= file->_bufsiz)
3863 || (!(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) && wrcnt >= MSVCRT_INTERNAL_BUFSIZ)) {
3864 MSVCRT_size_t pcnt;
3865 int bufsiz;
3866
3867 if(file->_flag & MSVCRT__IONBF)
3868 bufsiz = 1;
3869 else if(!(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)))
3870 bufsiz = MSVCRT_INTERNAL_BUFSIZ;
3871 else
3872 bufsiz = file->_bufsiz;
3873
3874 pcnt = (wrcnt / bufsiz) * bufsiz;
3875
3876 if(msvcrt_flush_buffer(file) == MSVCRT_EOF)
3877 break;
3878
3879 if(MSVCRT__write(file->_file, ptr, pcnt) <= 0) {
3880 file->_flag |= MSVCRT__IOERR;
3881 break;
3882 }
3883 written += pcnt;
3884 wrcnt -= pcnt;
3885 ptr = (const char*)ptr + pcnt;
3886 } else {
3887 if(MSVCRT__flsbuf(*(const char*)ptr, file) == MSVCRT_EOF)
3888 break;
3889 written++;
3890 wrcnt--;
3891 ptr = (const char*)ptr + 1;
3892 }
3893 }
3894
3895 return written / size;
3896 }
3897
3898 /*********************************************************************
3899 * fputwc (MSVCRT.@)
3900 */
3901 MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
3902 {
3903 MSVCRT_wint_t ret;
3904
3905 MSVCRT__lock_file(file);
3906 ret = MSVCRT__fputwc_nolock(wc, file);
3907 MSVCRT__unlock_file(file);
3908
3909 return ret;
3910 }
3911
3912 /*********************************************************************
3913 * _fputwc_nolock (MSVCRT.@)
3914 */
3915 MSVCRT_wint_t CDECL MSVCRT__fputwc_nolock(MSVCRT_wint_t wc, MSVCRT_FILE* file)
3916 {
3917 MSVCRT_wchar_t mwc=wc;
3918 ioinfo *fdinfo;
3919 MSVCRT_wint_t ret;
3920
3921 fdinfo = get_ioinfo_nolock(file->_file);
3922
3923 if((fdinfo->wxflag&WX_TEXT) && !(fdinfo->exflag&(EF_UTF8|EF_UTF16))) {
3924 char buf[MSVCRT_MB_LEN_MAX];
3925 int char_len;
3926
3927 char_len = MSVCRT_wctomb(buf, mwc);
3928 if(char_len!=-1 && MSVCRT__fwrite_nolock(buf, char_len, 1, file)==1)
3929 ret = wc;
3930 else
3931 ret = MSVCRT_WEOF;
3932 }else if(MSVCRT__fwrite_nolock(&mwc, sizeof(mwc), 1, file) == 1) {
3933 ret = wc;
3934 }else {
3935 ret = MSVCRT_WEOF;
3936 }
3937
3938 return ret;
3939 }
3940
3941 /*********************************************************************
3942 * _fputwchar (MSVCRT.@)
3943 */
3944 MSVCRT_wint_t CDECL MSVCRT__fputwchar(MSVCRT_wint_t wc)
3945 {
3946 return MSVCRT_fputwc(wc, MSVCRT_stdout);
3947 }
3948
3949 /*********************************************************************
3950 * _wfsopen (MSVCRT.@)
3951 */
3952 MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
3953 {
3954 MSVCRT_FILE* file;
3955 int open_flags, stream_flags, fd;
3956
3957 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
3958
3959 /* map mode string to open() flags. "man fopen" for possibilities. */
3960 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
3961 return NULL;
3962
3963 LOCK_FILES();
3964 fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
3965 if (fd < 0)
3966 file = NULL;
3967 else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
3968 != -1)
3969 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
3970 else if (file)
3971 {
3972 file->_flag = 0;
3973 file = NULL;
3974 }
3975
3976 TRACE(":got (%p)\n",file);
3977 if (fd >= 0 && !file)
3978 MSVCRT__close(fd);
3979 UNLOCK_FILES();
3980 return file;
3981 }
3982
3983 /*********************************************************************
3984 * _fsopen (MSVCRT.@)
3985 */
3986 MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
3987 {
3988 MSVCRT_FILE *ret;
3989 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3990
3991 if (path && !(pathW = msvcrt_wstrdupa(path))) {
3992 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3993 *MSVCRT__errno() = MSVCRT_EINVAL;
3994 return NULL;
3995 }
3996 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3997 {
3998 MSVCRT_free(pathW);
3999 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
4000 *MSVCRT__errno() = MSVCRT_EINVAL;
4001 return NULL;
4002 }
4003
4004 ret = MSVCRT__wfsopen(pathW, modeW, share);
4005
4006 MSVCRT_free(pathW);
4007 MSVCRT_free(modeW);
4008 return ret;
4009 }
4010
4011 /*********************************************************************
4012 * fopen (MSVCRT.@)
4013 */
4014 MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
4015 {
4016 return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
4017 }
4018
4019 /*********************************************************************
4020 * fopen_s (MSVCRT.@)
4021 */
4022 int CDECL MSVCRT_fopen_s(MSVCRT_FILE** pFile,
4023 const char *filename, const char *mode)
4024 {
4025 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
4026 if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
4027 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
4028
4029 *pFile = MSVCRT_fopen(filename, mode);
4030
4031 if(!*pFile)
4032 return *MSVCRT__errno();
4033 return 0;
4034 }
4035
4036 /*********************************************************************
4037 * _wfopen (MSVCRT.@)
4038 */
4039 MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
4040 {
4041 return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
4042 }
4043
4044 /*********************************************************************
4045 * _wfopen_s (MSVCRT.@)
4046 */
4047 int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename,
4048 const MSVCRT_wchar_t *mode)
4049 {
4050 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
4051 if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
4052 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
4053
4054 *pFile = MSVCRT__wfopen(filename, mode);
4055
4056 if(!*pFile)
4057 return *MSVCRT__errno();
4058 return 0;
4059 }
4060
4061 /*********************************************************************
4062 * fputc (MSVCRT.@)
4063 */
4064 int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
4065 {
4066 int ret;
4067
4068 MSVCRT__lock_file(file);
4069 ret = MSVCRT__fputc_nolock(c, file);
4070 MSVCRT__unlock_file(file);
4071
4072 return ret;
4073 }
4074
4075 /*********************************************************************
4076 * _fputc_nolock (MSVCRT.@)
4077 */
4078 int CDECL MSVCRT__fputc_nolock(int c, MSVCRT_FILE* file)
4079 {
4080 int res;
4081
4082 if(file->_cnt>0) {
4083 *file->_ptr++=c;
4084 file->_cnt--;
4085 if (c == '\n')
4086 {
4087 res = msvcrt_flush_buffer(file);
4088 return res ? res : c;
4089 }
4090 else {
4091 return c & 0xff;
4092 }
4093 } else {
4094 res = MSVCRT__flsbuf(c, file);
4095 return res;
4096 }
4097 }
4098
4099 /*********************************************************************
4100 * _fputchar (MSVCRT.@)
4101 */
4102 int CDECL MSVCRT__fputchar(int c)
4103 {
4104 return MSVCRT_fputc(c, MSVCRT_stdout);
4105 }
4106
4107 /*********************************************************************
4108 * fread (MSVCRT.@)
4109 */
4110 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
4111 {
4112 MSVCRT_size_t ret;
4113
4114 MSVCRT__lock_file(file);
4115 ret = MSVCRT__fread_nolock(ptr, size, nmemb, file);
4116 MSVCRT__unlock_file(file);
4117
4118 return ret;
4119 }
4120
4121 /*********************************************************************
4122 * _fread_nolock (MSVCRT.@)
4123 */
4124 MSVCRT_size_t CDECL MSVCRT__fread_nolock(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
4125 {
4126 MSVCRT_size_t rcnt=size * nmemb;
4127 MSVCRT_size_t read=0;
4128 MSVCRT_size_t pread=0;
4129
4130 if(!rcnt)
4131 return 0;
4132
4133 /* first buffered data */
4134 if(file->_cnt>0) {
4135 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
4136 memcpy(ptr, file->_ptr, pcnt);
4137 file->_cnt -= pcnt;
4138 file->_ptr += pcnt;
4139 read += pcnt ;
4140 rcnt -= pcnt ;
4141 ptr = (char*)ptr + pcnt;
4142 } else if(!(file->_flag & MSVCRT__IOREAD )) {
4143 if(file->_flag & MSVCRT__IORW) {
4144 file->_flag |= MSVCRT__IOREAD;
4145 } else {
4146 return 0;
4147 }
4148 }
4149
4150 if(rcnt>0 && !(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF)))
4151 msvcrt_alloc_buffer(file);
4152
4153 while(rcnt>0)
4154 {
4155 int i;
4156 if (!file->_cnt && rcnt<MSVCRT_BUFSIZ && (file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF))) {
4157 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
4158 file->_ptr = file->_base;
4159 i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
4160 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
4161 if (i > 0 && i < file->_cnt) {
4162 get_ioinfo_nolock(file->_file)->wxflag &= ~WX_ATEOF;
4163 file->_flag &= ~MSVCRT__IOEOF;
4164 }
4165 if (i > 0) {
4166 memcpy(ptr, file->_ptr, i);
4167 file->_cnt -= i;
4168 file->_ptr += i;
4169 }
4170 } else if (rcnt > INT_MAX) {
4171 i = MSVCRT__read(file->_file, ptr, INT_MAX);
4172 } else if (rcnt < MSVCRT_BUFSIZ) {
4173 i = MSVCRT__read(file->_file, ptr, rcnt);
4174 } else {
4175 i = MSVCRT__read(file->_file, ptr, rcnt - MSVCRT_BUFSIZ/2);
4176 }
4177 pread += i;
4178 rcnt -= i;
4179 ptr = (char *)ptr+i;
4180 /* expose feof condition in the flags
4181 * MFC tests file->_flag for feof, and doesn't call feof())
4182 */
4183 if (get_ioinfo_nolock(file->_file)->wxflag & WX_ATEOF)
4184 file->_flag |= MSVCRT__IOEOF;
4185 else if (i == -1)
4186 {
4187 file->_flag |= MSVCRT__IOERR;
4188 pread = 0;
4189 rcnt = 0;
4190 }
4191 if (i < 1) break;
4192 }
4193 read+=pread;
4194 return read / size;
4195 }
4196
4197
4198 /*********************************************************************
4199 * fread_s (MSVCR80.@)
4200 */
4201 MSVCRT_size_t CDECL MSVCRT_fread_s(void *buf, MSVCRT_size_t buf_size, MSVCRT_size_t elem_size,
4202 MSVCRT_size_t count, MSVCRT_FILE *stream)
4203 {
4204 MSVCRT_size_t ret;
4205
4206 if(!MSVCRT_CHECK_PMT(stream != NULL)) {
4207 if(buf && buf_size)
4208 memset(buf, 0, buf_size);
4209 return 0;
4210 }
4211 if(!elem_size || !count) return 0;
4212
4213 MSVCRT__lock_file(stream);
4214 ret = MSVCRT__fread_nolock_s(buf, buf_size, elem_size, count, stream);
4215 MSVCRT__unlock_file(stream);
4216
4217 return ret;
4218 }
4219
4220 /*********************************************************************
4221 * _fread_nolock_s (MSVCR80.@)
4222 */
4223 MSVCRT_size_t CDECL MSVCRT__fread_nolock_s(void *buf, MSVCRT_size_t buf_size, MSVCRT_size_t elem_size,
4224 MSVCRT_size_t count, MSVCRT_FILE *stream)
4225 {
4226 size_t bytes_left, buf_pos;
4227
4228 TRACE("(%p %lu %lu %lu %p)\n", buf, buf_size, elem_size, count, stream);
4229
4230 if(!MSVCRT_CHECK_PMT(stream != NULL)) {
4231 if(buf && buf_size)
4232 memset(buf, 0, buf_size);
4233 return 0;
4234 }
4235 if(!elem_size || !count) return 0;
4236 if(!MSVCRT_CHECK_PMT(buf != NULL)) return 0;
4237 if(!MSVCRT_CHECK_PMT(MSVCRT_SIZE_MAX/count >= elem_size)) return 0;
4238
4239 bytes_left = elem_size*count;
4240 buf_pos = 0;
4241 while(bytes_left) {
4242 if(stream->_cnt > 0) {
4243 size_t size = bytes_left<stream->_cnt ? bytes_left : stream->_cnt;
4244
4245 if(!MSVCRT_CHECK_PMT_ERR(size <= buf_size-buf_pos, MSVCRT_ERANGE)) {
4246 memset(buf, 0, buf_size);
4247 return 0;
4248 }
4249
4250 MSVCRT__fread_nolock((char*)buf+buf_pos, 1, size, stream);
4251 buf_pos += size;
4252 bytes_left -= size;
4253 }else {
4254 int c = MSVCRT__filbuf(stream);
4255
4256 if(c == EOF)
4257 break;
4258
4259 if(!MSVCRT_CHECK_PMT_ERR(buf_size != buf_pos, MSVCRT_ERANGE)) {
4260 memset(buf, 0, buf_size);
4261 return 0;
4262 }
4263
4264 ((char*)buf)[buf_pos++] = c;
4265 bytes_left--;
4266 }
4267 }
4268
4269 return buf_pos/elem_size;
4270 }
4271
4272 /*********************************************************************
4273 * _wfreopen (MSVCRT.@)
4274 *
4275 */
4276 MSVCRT_FILE* CDECL MSVCRT__wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
4277 {
4278 int open_flags, stream_flags, fd;
4279
4280 TRACE(":path (%s) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file ? file->_file : -1);
4281
4282 LOCK_FILES();
4283 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
4284 file = NULL;
4285 else
4286 {
4287 MSVCRT_fclose(file);
4288 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
4289 file = NULL;
4290 else if((fd = MSVCRT__wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE)) < 0)
4291 file = NULL;
4292 else if(msvcrt_init_fp(file, fd, stream_flags) == -1)
4293 {
4294 file->_flag = 0;
4295 file = NULL;
4296 }
4297 }
4298 UNLOCK_FILES();
4299 return file;
4300 }
4301
4302 /*********************************************************************
4303 * _wfreopen_s (MSVCRT.@)
4304 */
4305 int CDECL MSVCRT__wfreopen_s(MSVCRT_FILE** pFile,
4306 const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
4307 {
4308 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
4309 if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
4310 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
4311 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
4312
4313 *pFile = MSVCRT__wfreopen(path, mode, file);
4314
4315 if(!*pFile)
4316 return *MSVCRT__errno();
4317 return 0;
4318 }
4319
4320 /*********************************************************************
4321 * freopen (MSVCRT.@)
4322 *
4323 */
4324 MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
4325 {
4326 MSVCRT_FILE *ret;
4327 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
4328
4329 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
4330 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
4331 {
4332 MSVCRT_free(pathW);
4333 return NULL;
4334 }
4335
4336 ret = MSVCRT__wfreopen(pathW, modeW, file);
4337
4338 MSVCRT_free(pathW);
4339 MSVCRT_free(modeW);
4340 return ret;
4341 }
4342
4343 /*********************************************************************
4344 * freopen_s (MSVCRT.@)
4345 */
4346 int CDECL MSVCRT_freopen_s(MSVCRT_FILE** pFile,
4347 const char *path, const char *mode, MSVCRT_FILE* file)
4348 {
4349 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
4350 if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
4351 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
4352 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
4353
4354 *pFile = MSVCRT_freopen(path, mode, file);
4355
4356 if(!*pFile)
4357 return *MSVCRT__errno();
4358 return 0;
4359 }
4360
4361 /*********************************************************************
4362 * fsetpos (MSVCRT.@)
4363 */
4364 int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
4365 {
4366 int ret;
4367
4368 MSVCRT__lock_file(file);
4369 msvcrt_flush_buffer(file);
4370
4371 /* Reset direction of i/o */
4372 if(file->_flag & MSVCRT__IORW) {
4373 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
4374 }
4375
4376 ret = (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
4377 MSVCRT__unlock_file(file);
4378 return ret;
4379 }
4380
4381 /*********************************************************************
4382 * _ftelli64 (MSVCRT.@)
4383 */
4384 __int64 CDECL MSVCRT__ftelli64(MSVCRT_FILE* file)
4385 {
4386 __int64 ret;
4387
4388 MSVCRT__lock_file(file);
4389 ret = MSVCRT__ftelli64_nolock(file);
4390 MSVCRT__unlock_file(file);
4391
4392 return ret;
4393 }
4394
4395 /*********************************************************************
4396 * _ftelli64_nolock (MSVCRT.@)
4397 */
4398 __int64 CDECL MSVCRT__ftelli64_nolock(MSVCRT_FILE* file)
4399 {
4400 __int64 pos;
4401
4402 pos = _telli64(file->_file);
4403 if(pos == -1)
4404 return -1;
4405 if(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) {
4406 if(file->_flag & MSVCRT__IOWRT) {
4407 pos += file->_ptr - file->_base;
4408
4409 if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
4410 char *p;
4411
4412 for(p=file->_base; p<file->_ptr; p++)
4413 if(*p == '\n')
4414 pos++;
4415 }
4416 } else if(!file->_cnt) { /* nothing to do */
4417 } else if(MSVCRT__lseeki64(file->_file, 0, SEEK_END)==pos) {
4418 int i;
4419
4420 pos -= file->_cnt;
4421 if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
4422 for(i=0; i<file->_cnt; i++)
4423 if(file->_ptr[i] == '\n')
4424 pos--;
4425 }
4426 } else {
4427 char *p;
4428
4429 if(MSVCRT__lseeki64(file->_file, pos, SEEK_SET) != pos)
4430 return -1;
4431
4432 pos -= file->_bufsiz;
4433 pos += file->_ptr - file->_base;
4434
4435 if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
4436 if(get_ioinfo_nolock(file->_file)->wxflag & WX_READNL)
4437 pos--;
4438
4439 for(p=file->_base; p<file->_ptr; p++)
4440 if(*p == '\n')
4441 pos++;
4442 }
4443 }
4444 }
4445
4446 return pos;
4447 }
4448
4449 /*********************************************************************
4450 * ftell (MSVCRT.@)
4451 */
4452 LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
4453 {
4454 return MSVCRT__ftelli64(file);
4455 }
4456
4457 /*********************************************************************
4458 * _ftell_nolock (MSVCRT.@)
4459 */
4460 LONG CDECL MSVCRT__ftell_nolock(MSVCRT_FILE* file)
4461 {
4462 return MSVCRT__ftelli64_nolock(file);
4463 }
4464
4465 /*********************************************************************
4466 * fgetpos (MSVCRT.@)
4467 */
4468 int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
4469 {
4470 *pos = MSVCRT__ftelli64(file);
4471 if(*pos == -1)
4472 return -1;
4473 return 0;
4474 }
4475
4476 /*********************************************************************
4477 * fputs (MSVCRT.@)
4478 */
4479 int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
4480 {
4481 MSVCRT_size_t len = strlen(s);
4482 int ret;
4483
4484 MSVCRT__lock_file(file);
4485 ret = MSVCRT__fwrite_nolock(s, sizeof(*s), len, file) == len ? 0 : MSVCRT_EOF;
4486 MSVCRT__unlock_file(file);
4487 return ret;
4488 }
4489
4490 /*********************************************************************
4491 * fputws (MSVCRT.@)
4492 */
4493 int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
4494 {
4495 MSVCRT_size_t i, len = strlenW(s);
4496 BOOL tmp_buf;
4497 int ret;
4498
4499 MSVCRT__lock_file(file);
4500 if (!(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
4501 ret = MSVCRT__fwrite_nolock(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
4502 MSVCRT__unlock_file(file);
4503 return ret;
4504 }
4505
4506 tmp_buf = add_std_buffer(file);
4507 for (i=0; i<len; i++) {
4508 if(MSVCRT__fputwc_nolock(s[i], file) == MSVCRT_WEOF) {
4509 if(tmp_buf) remove_std_buffer(file);
4510 MSVCRT__unlock_file(file);
4511 return MSVCRT_WEOF;
4512 }
4513 }
4514
4515 if(tmp_buf) remove_std_buffer(file);
4516 MSVCRT__unlock_file(file);
4517 return 0;
4518 }
4519
4520 /*********************************************************************
4521 * getchar (MSVCRT.@)
4522 */
4523 int CDECL MSVCRT_getchar(void)
4524 {
4525 return MSVCRT_fgetc(MSVCRT_stdin);
4526 }
4527
4528 /*********************************************************************
4529 * getc (MSVCRT.@)
4530 */
4531 int CDECL MSVCRT_getc(MSVCRT_FILE* file)
4532 {
4533 return MSVCRT_fgetc(file);
4534 }
4535
4536 /*********************************************************************
4537 * gets (MSVCRT.@)
4538 */
4539 char * CDECL MSVCRT_gets(char *buf)
4540 {
4541 int cc;
4542 char * buf_start = buf;
4543
4544 MSVCRT__lock_file(MSVCRT_stdin);
4545 for(cc = MSVCRT__fgetc_nolock(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
4546 cc = MSVCRT__fgetc_nolock(MSVCRT_stdin))
4547 if(cc != '\r') *buf++ = (char)cc;
4548
4549 *buf = '\0';
4550
4551 TRACE("got '%s'\n", buf_start);
4552 MSVCRT__unlock_file(MSVCRT_stdin);
4553 return buf_start;
4554 }
4555
4556 /*********************************************************************
4557 * _getws (MSVCRT.@)
4558 */
4559 MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
4560 {
4561 MSVCRT_wint_t cc;
4562 MSVCRT_wchar_t* ws = buf;
4563
4564 MSVCRT__lock_file(MSVCRT_stdin);
4565 for (cc = MSVCRT__fgetwc_nolock(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
4566 cc = MSVCRT__fgetwc_nolock(MSVCRT_stdin))
4567 {
4568 if (cc != '\r')
4569 *buf++ = (MSVCRT_wchar_t)cc;
4570 }
4571 *buf = '\0';
4572
4573 TRACE("got %s\n", debugstr_w(ws));
4574 MSVCRT__unlock_file(MSVCRT_stdin);
4575 return ws;
4576 }
4577
4578 /*********************************************************************
4579 * putc (MSVCRT.@)
4580 */
4581 int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
4582 {
4583 return MSVCRT_fputc(c, file);
4584 }
4585
4586 /*********************************************************************
4587 * putchar (MSVCRT.@)
4588 */
4589 int CDECL MSVCRT_putchar(int c)
4590 {
4591 return MSVCRT_fputc(c, MSVCRT_stdout);
4592 }
4593
4594 /*********************************************************************
4595 * _putwch (MSVCRT.@)
4596 */
4597 int CDECL MSVCRT__putwch(int c)
4598 {
4599 return MSVCRT_fputwc(c, MSVCRT_stdout);
4600 }
4601
4602 /*********************************************************************
4603 * puts (MSVCRT.@)
4604 */
4605 int CDECL MSVCRT_puts(const char *s)
4606 {
4607 MSVCRT_size_t len = strlen(s);
4608 int ret;
4609
4610 MSVCRT__lock_file(MSVCRT_stdout);
4611 if(MSVCRT__fwrite_nolock(s, sizeof(*s), len, MSVCRT_stdout) != len) {
4612 MSVCRT__unlock_file(MSVCRT_stdout);
4613 return MSVCRT_EOF;
4614 }
4615
4616 ret = MSVCRT__fwrite_nolock("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
4617 MSVCRT__unlock_file(MSVCRT_stdout);
4618 return ret;
4619 }
4620
4621 /*********************************************************************
4622 * _putws (MSVCRT.@)
4623 */
4624 int CDECL MSVCRT__putws(const MSVCRT_wchar_t *s)
4625 {
4626 static const MSVCRT_wchar_t nl = '\n';
4627 MSVCRT_size_t len = strlenW(s);
4628 int ret;
4629
4630 MSVCRT__lock_file(MSVCRT_stdout);
4631 if(MSVCRT__fwrite_nolock(s, sizeof(*s), len, MSVCRT_stdout) != len) {
4632 MSVCRT__unlock_file(MSVCRT_stdout);
4633 return MSVCRT_EOF;
4634 }
4635
4636 ret = MSVCRT__fwrite_nolock(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
4637 MSVCRT__unlock_file(MSVCRT_stdout);
4638 return ret;
4639 }
4640
4641 /*********************************************************************
4642 * remove (MSVCRT.@)
4643 */
4644 int CDECL MSVCRT_remove(const char *path)
4645 {
4646 TRACE("(%s)\n",path);
4647 if (DeleteFileA(path))
4648 return 0;
4649 TRACE(":failed (%d)\n",GetLastError());
4650 msvcrt_set_errno(GetLastError());
4651 return -1;
4652 }
4653
4654 /*********************************************************************
4655 * _wremove (MSVCRT.@)
4656 */
4657 int CDECL MSVCRT__wremove(const MSVCRT_wchar_t *path)
4658 {
4659 TRACE("(%s)\n",debugstr_w(path));
4660 if (DeleteFileW(path))
4661 return 0;
4662 TRACE(":failed (%d)\n",GetLastError());
4663 msvcrt_set_errno(GetLastError());
4664 return -1;
4665 }
4666
4667 /*********************************************************************
4668 * rename (MSVCRT.@)
4669 */
4670 int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
4671 {
4672 TRACE(":from %s to %s\n",oldpath,newpath);
4673 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
4674 return 0;
4675 TRACE(":failed (%d)\n",GetLastError());
4676 msvcrt_set_errno(GetLastError());
4677 return -1;
4678 }
4679
4680 /*********************************************************************
4681 * _wrename (MSVCRT.@)
4682 */
4683 int CDECL MSVCRT__wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
4684 {
4685 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
4686 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
4687 return 0;
4688 TRACE(":failed (%d)\n",GetLastError());
4689 msvcrt_set_errno(GetLastError());
4690 return -1;
4691 }
4692
4693 /*********************************************************************
4694 * setvbuf (MSVCRT.@)
4695 */
4696 int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
4697 {
4698 if(!MSVCRT_CHECK_PMT(file != NULL)) return -1;
4699 if(!MSVCRT_CHECK_PMT(mode==MSVCRT__IONBF || mode==MSVCRT__IOFBF || mode==MSVCRT__IOLBF)) return -1;
4700 if(!MSVCRT_CHECK_PMT(mode==MSVCRT__IONBF || (size>=2 && size<=INT_MAX))) return -1;
4701
4702 MSVCRT__lock_file(file);
4703
4704 MSVCRT__fflush_nolock(file);
4705 if(file->_flag & MSVCRT__IOMYBUF)
4706 MSVCRT_free(file->_base);
4707 file->_flag &= ~(MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF);
4708 file->_cnt = 0;
4709
4710 if(mode == MSVCRT__IONBF) {
4711 file->_flag |= MSVCRT__IONBF;
4712 file->_base = file->_ptr = (char*)&file->_charbuf;
4713 file->_bufsiz = 2;
4714 }else if(buf) {
4715 file->_base = file->_ptr = buf;
4716 file->_flag |= MSVCRT__USERBUF;
4717 file->_bufsiz = size;
4718 }else {
4719 file->_base = file->_ptr = MSVCRT_malloc(size);
4720 if(!file->_base) {
4721 file->_bufsiz = 0;
4722 MSVCRT__unlock_file(file);
4723 return -1;
4724 }
4725
4726 file->_flag |= MSVCRT__IOMYBUF;
4727 file->_bufsiz = size;
4728 }
4729 MSVCRT__unlock_file(file);
4730 return 0;
4731 }
4732
4733 /*********************************************************************
4734 * setbuf (MSVCRT.@)
4735 */
4736 void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
4737 {
4738 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
4739 }
4740
4741 /*********************************************************************
4742 * tmpnam (MSVCRT.@)
4743 */
4744 char * CDECL MSVCRT_tmpnam(char *s)
4745 {
4746 char tmpstr[16];
4747 char *p;
4748 int count, size;
4749
4750 if (!s) {
4751 thread_data_t *data = msvcrt_get_thread_data();
4752
4753 if(!data->tmpnam_buffer)
4754 data->tmpnam_buffer = MSVCRT_malloc(MAX_PATH);
4755
4756 s = data->tmpnam_buffer;
4757 }
4758
4759 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
4760 p = s + sprintf(s, "\\s%s.", tmpstr);
4761 for (count = 0; count < MSVCRT_TMP_MAX; count++)
4762 {
4763 size = msvcrt_int_to_base32(tmpnam_unique++, tmpstr);
4764 memcpy(p, tmpstr, size);
4765 p[size] = '\0';
4766 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
4767 GetLastError() == ERROR_FILE_NOT_FOUND)
4768 break;
4769 }
4770 return s;
4771 }
4772
4773 /*********************************************************************
4774 * _wtmpnam (MSVCRT.@)
4775 */
4776 MSVCRT_wchar_t * CDECL MSVCRT_wtmpnam(MSVCRT_wchar_t *s)
4777 {
4778 static const MSVCRT_wchar_t format[] = {'\\','s','%','s','.',0};
4779 MSVCRT_wchar_t tmpstr[16];
4780 MSVCRT_wchar_t *p;
4781 int count, size;
4782 if (!s) {
4783 thread_data_t *data = msvcrt_get_thread_data();
4784
4785 if(!data->wtmpnam_buffer)
4786 data->wtmpnam_buffer = MSVCRT_malloc(sizeof(MSVCRT_wchar_t[MAX_PATH]));
4787
4788 s = data->wtmpnam_buffer;
4789 }
4790
4791 msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr);
4792 p = s + MSVCRT__snwprintf(s, MAX_PATH, format, tmpstr);
4793 for (count = 0; count < MSVCRT_TMP_MAX; count++)
4794 {
4795 size = msvcrt_int_to_base32_w(tmpnam_unique++, tmpstr);
4796 memcpy(p, tmpstr, size*sizeof(MSVCRT_wchar_t));
4797 p[size] = '\0';
4798 if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
4799 GetLastError() == ERROR_FILE_NOT_FOUND)
4800 break;
4801 }
4802 return s;
4803 }
4804
4805 /*********************************************************************
4806 * tmpfile (MSVCRT.@)
4807 */
4808 MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
4809 {
4810 char *filename = MSVCRT_tmpnam(NULL);
4811 int fd;
4812 MSVCRT_FILE* file = NULL;
4813
4814 LOCK_FILES();
4815 fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY,
4816 MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
4817 if (fd != -1 && (file = msvcrt_alloc_fp()))
4818 {
4819 if (msvcrt_init_fp(file, fd, MSVCRT__IORW) == -1)
4820 {
4821 file->_flag = 0;
4822 file = NULL;
4823 }
4824 else file->_tmpfname = MSVCRT__strdup(filename);
4825 }
4826
4827 if(fd != -1 && !file)
4828 MSVCRT__close(fd);
4829 UNLOCK_FILES();
4830 return file;
4831 }
4832
4833 /*********************************************************************
4834 * tmpfile_s (MSVCRT.@)
4835 */
4836 int CDECL MSVCRT_tmpfile_s(MSVCRT_FILE** file)
4837 {
4838 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
4839
4840 *file = MSVCRT_tmpfile();
4841 return 0;
4842 }
4843
4844 static int puts_clbk_file_a(void *file, int len, const char *str)
4845 {
4846 return MSVCRT_fwrite(str, sizeof(char), len, file);
4847 }
4848
4849 static int puts_clbk_file_w(void *file, int len, const MSVCRT_wchar_t *str)
4850 {
4851 int i, ret;
4852
4853 MSVCRT__lock_file(file);
4854
4855 if(!(get_ioinfo_nolock(((MSVCRT_FILE*)file)->_file)->wxflag & WX_TEXT)) {
4856 ret = MSVCRT__fwrite_nolock(str, sizeof(MSVCRT_wchar_t), len, file);
4857 MSVCRT__unlock_file(file);
4858 return ret;
4859 }
4860
4861 for(i=0; i<len; i++) {
4862 if(MSVCRT__fputwc_nolock(str[i], file) == MSVCRT_WEOF) {
4863 MSVCRT__unlock_file(file);
4864 return -1;
4865 }
4866 }
4867
4868 MSVCRT__unlock_file(file);
4869 return len;
4870 }
4871
4872 /*********************************************************************
4873 * vfprintf (MSVCRT.@)
4874 */
4875 int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
4876 {
4877 BOOL tmp_buf;
4878 int ret;
4879
4880 MSVCRT__lock_file(file);
4881 tmp_buf = add_std_buffer(file);
4882 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4883 if(tmp_buf) remove_std_buffer(file);
4884 MSVCRT__unlock_file(file);
4885
4886 return ret;
4887 }
4888
4889 /*********************************************************************
4890 * vfprintf_s (MSVCRT.@)
4891 */
4892 int CDECL MSVCRT_vfprintf_s(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
4893 {
4894 BOOL tmp_buf;
4895 int ret;
4896
4897 if(!MSVCRT_CHECK_PMT(file != NULL)) return -1;
4898
4899 MSVCRT__lock_file(file);
4900 tmp_buf = add_std_buffer(file);
4901 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
4902 if(tmp_buf) remove_std_buffer(file);
4903 MSVCRT__unlock_file(file);
4904
4905 return ret;
4906 }
4907
4908 /*********************************************************************
4909 * vfwprintf (MSVCRT.@)
4910 */
4911 int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
4912 {
4913 BOOL tmp_buf;
4914 int ret;
4915
4916 MSVCRT__lock_file(file);
4917 tmp_buf = add_std_buffer(file);
4918 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4919 if(tmp_buf) remove_std_buffer(file);
4920 MSVCRT__unlock_file(file);
4921
4922 return ret;
4923 }
4924
4925 /*********************************************************************
4926 * vfwprintf_s (MSVCRT.@)
4927 */
4928 int CDECL MSVCRT_vfwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
4929 {
4930 BOOL tmp_buf;
4931 int ret;
4932
4933 if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
4934
4935 MSVCRT__lock_file(file);
4936 tmp_buf = add_std_buffer(file);
4937 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
4938 if(tmp_buf) remove_std_buffer(file);
4939 MSVCRT__unlock_file(file);
4940
4941 return ret;
4942 }
4943
4944 /*********************************************************************
4945 * _vfwprintf_l (MSVCRT.@)
4946 */
4947 int CDECL MSVCRT__vfwprintf_l(MSVCRT_FILE* file, const MSVCRT_wchar_t *format,
4948 MSVCRT__locale_t locale, __ms_va_list valist)
4949 {
4950 BOOL tmp_buf;
4951 int ret;
4952
4953 if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
4954
4955 MSVCRT__lock_file(file);
4956 tmp_buf = add_std_buffer(file);
4957 ret = pf_printf_w(puts_clbk_file_w, file, format, locale, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4958 if(tmp_buf) remove_std_buffer(file);
4959 MSVCRT__unlock_file(file);
4960
4961 return ret;
4962 }
4963
4964 /*********************************************************************
4965 * vprintf (MSVCRT.@)
4966 */
4967 int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
4968 {
4969 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
4970 }
4971
4972 /*********************************************************************
4973 * vprintf_s (MSVCRT.@)
4974 */
4975 int CDECL MSVCRT_vprintf_s(const char *format, __ms_va_list valist)
4976 {
4977 return MSVCRT_vfprintf_s(MSVCRT_stdout,format,valist);
4978 }
4979
4980 /*********************************************************************
4981 * vwprintf (MSVCRT.@)
4982 */
4983 int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
4984 {
4985 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
4986 }
4987
4988 /*********************************************************************
4989 * vwprintf_s (MSVCRT.@)
4990 */
4991 int CDECL MSVCRT_vwprintf_s(const MSVCRT_wchar_t *format, __ms_va_list valist)
4992 {
4993 return MSVCRT_vfwprintf_s(MSVCRT_stdout,format,valist);
4994 }
4995
4996 /*********************************************************************
4997 * fprintf (MSVCRT.@)
4998 */
4999 int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
5000 {
5001 __ms_va_list valist;
5002 int res;
5003 __ms_va_start(valist, format);
5004 res = MSVCRT_vfprintf(file, format, valist);
5005 __ms_va_end(valist);
5006 return res;
5007 }
5008
5009 /*********************************************************************
5010 * fprintf_s (MSVCRT.@)
5011 */
5012 int CDECL MSVCRT_fprintf_s(MSVCRT_FILE* file, const char *format, ...)
5013 {
5014 __ms_va_list valist;
5015 int res;
5016 __ms_va_start(valist, format);
5017 res = MSVCRT_vfprintf_s(file, format, valist);
5018 __ms_va_end(valist);
5019 return res;
5020 }
5021
5022 /*********************************************************************
5023 * fwprintf (MSVCRT.@)
5024 */
5025 int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
5026 {
5027 __ms_va_list valist;
5028 int res;
5029 __ms_va_start(valist, format);
5030 res = MSVCRT_vfwprintf(file, format, valist);
5031 __ms_va_end(valist);
5032 return res;
5033 }
5034
5035 /*********************************************************************
5036 * fwprintf_s (MSVCRT.@)
5037 */
5038 int CDECL MSVCRT_fwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
5039 {
5040 __ms_va_list valist;
5041 int res;
5042 __ms_va_start(valist, format);
5043 res = MSVCRT_vfwprintf_s(file, format, valist);
5044 __ms_va_end(valist);
5045 return res;
5046 }
5047
5048 /*********************************************************************
5049 * _fwprintf_l (MSVCRT.@)
5050 */
5051 int CDECL MSVCRT__fwprintf_l(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, ...)
5052 {
5053 __ms_va_list valist;
5054 int res;
5055 __ms_va_start(valist, locale);
5056 res = MSVCRT__vfwprintf_l(file, format, locale, valist);
5057 __ms_va_end(valist);
5058 return res;
5059 }
5060
5061 /*********************************************************************
5062 * printf (MSVCRT.@)
5063 */
5064 int CDECL MSVCRT_printf(const char *format, ...)
5065 {
5066 __ms_va_list valist;
5067 int res;
5068 __ms_va_start(valist, format);
5069 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
5070 __ms_va_end(valist);
5071 return res;
5072 }
5073
5074 /*********************************************************************
5075 * printf_s (MSVCRT.@)
5076 */
5077 int CDECL MSVCRT_printf_s(const char *format, ...)
5078 {
5079 __ms_va_list valist;
5080 int res;
5081 __ms_va_start(valist, format);
5082 res = MSVCRT_vprintf_s(format, valist);
5083 __ms_va_end(valist);
5084 return res;
5085 }
5086
5087 /*********************************************************************
5088 * ungetc (MSVCRT.@)
5089 */
5090 int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
5091 {
5092 int ret;
5093
5094 if(!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EOF;
5095
5096 MSVCRT__lock_file(file);
5097 ret = MSVCRT__ungetc_nolock(c, file);
5098 MSVCRT__unlock_file(file);
5099
5100 return ret;
5101 }
5102
5103 /*********************************************************************
5104 * _ungetc_nolock (MSVCRT.@)
5105 */
5106 int CDECL MSVCRT__ungetc_nolock(int c, MSVCRT_FILE * file)
5107 {
5108 if(!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EOF;
5109
5110 if (c == MSVCRT_EOF || !(file->_flag&MSVCRT__IOREAD ||
5111 (file->_flag&MSVCRT__IORW && !(file->_flag&MSVCRT__IOWRT))))
5112 return MSVCRT_EOF;
5113
5114 if((!(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF))
5115 && msvcrt_alloc_buffer(file))
5116 || (!file->_cnt && file->_ptr==file->_base))
5117 file->_ptr++;
5118
5119 if(file->_ptr>file->_base) {
5120 file->_ptr--;
5121 if(file->_flag & MSVCRT__IOSTRG) {
5122 if(*file->_ptr != c) {
5123 file->_ptr++;
5124 return MSVCRT_EOF;
5125 }
5126 }else {
5127 *file->_ptr = c;
5128 }
5129 file->_cnt++;
5130 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
5131 file->_flag |= MSVCRT__IOREAD;
5132 return c;
5133 }
5134
5135 return MSVCRT_EOF;
5136 }
5137
5138 /*********************************************************************
5139 * ungetwc (MSVCRT.@)
5140 */
5141 MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
5142 {
5143 MSVCRT_wint_t ret;
5144
5145 if(!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_WEOF;
5146
5147 MSVCRT__lock_file(file);
5148 ret = MSVCRT__ungetwc_nolock(wc, file);
5149 MSVCRT__unlock_file(file);
5150
5151 return ret;
5152 }
5153
5154 /*********************************************************************
5155 * _ungetwc_nolock (MSVCRT.@)
5156 */
5157 MSVCRT_wint_t CDECL MSVCRT__ungetwc_nolock(MSVCRT_wint_t wc, MSVCRT_FILE * file)
5158 {
5159 MSVCRT_wchar_t mwc = wc;
5160
5161 if(!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_WEOF;
5162 if (wc == MSVCRT_WEOF)
5163 return MSVCRT_WEOF;
5164
5165 if((get_ioinfo_nolock(file->_file)->exflag & (EF_UTF8 | EF_UTF16))
5166 || !(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
5167 unsigned char * pp = (unsigned char *)&mwc;
5168 int i;
5169
5170 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
5171 if(pp[i] != MSVCRT__ungetc_nolock(pp[i],file))
5172 return MSVCRT_WEOF;
5173 }
5174 }else {
5175 char mbs[MSVCRT_MB_LEN_MAX];
5176 int len;
5177
5178 len = MSVCRT_wctomb(mbs, mwc);
5179 if(len == -1)
5180 return MSVCRT_WEOF;
5181
5182 for(len--; len>=0; len--) {
5183 if(mbs[len] != MSVCRT__ungetc_nolock(mbs[len], file))
5184 return MSVCRT_WEOF;
5185 }
5186 }
5187
5188 return mwc;
5189 }
5190
5191 /*********************************************************************
5192 * wprintf (MSVCRT.@)
5193 */
5194 int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
5195 {
5196 __ms_va_list valist;
5197 int res;
5198 __ms_va_start(valist, format);
5199 res = MSVCRT_vwprintf(format, valist);
5200 __ms_va_end(valist);
5201 return res;
5202 }
5203
5204 /*********************************************************************
5205 * wprintf_s (MSVCRT.@)
5206 */
5207 int CDECL MSVCRT_wprintf_s(const MSVCRT_wchar_t *format, ...)
5208 {
5209 __ms_va_list valist;
5210 int res;
5211 __ms_va_start(valist, format);
5212 res = MSVCRT_vwprintf_s(format, valist);
5213 __ms_va_end(valist);
5214 return res;
5215 }
5216
5217 /*********************************************************************
5218 * _getmaxstdio (MSVCRT.@)
5219 */
5220 int CDECL MSVCRT__getmaxstdio(void)
5221 {
5222 return MSVCRT_max_streams;
5223 }
5224
5225 /*********************************************************************
5226 * _setmaxstdio (MSVCRT.@)
5227 */
5228 int CDECL MSVCRT__setmaxstdio(int newmax)
5229 {
5230 TRACE("%d\n", newmax);
5231
5232 if(newmax<_IOB_ENTRIES || newmax>MSVCRT_MAX_FILES || newmax<MSVCRT_stream_idx)
5233 return -1;
5234
5235 MSVCRT_max_streams = newmax;
5236 return MSVCRT_max_streams;
5237 }
Windows API implementation