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msvcrt: Use fd critical section in msvcrt_create_io_inherit_block.
[wine/multimedia.git] / dlls / msvcrt / file.c
blob1d144b2f1c9add9db024f35759f9e3e074ee25bd
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 LOCK_FILES();
265 if(!(ret->exflag & EF_CRIT_INIT)) {
266 InitializeCriticalSection(&ret->crit);
267 ret->exflag |= EF_CRIT_INIT;
268 }
269 UNLOCK_FILES();
270 }
271 EnterCriticalSection(&ret->crit);
272 return ret;
273 }
274
275 static inline void release_ioinfo(ioinfo *info)
276 {
277 if(info->exflag & EF_CRIT_INIT)
278 LeaveCriticalSection(&info->crit);
279 }
280
281 static inline MSVCRT_FILE* msvcrt_get_file(int i)
282 {
283 file_crit *ret;
284
285 if(i >= MSVCRT_max_streams)
286 return NULL;
287
288 if(i < _IOB_ENTRIES)
289 return &MSVCRT__iob[i];
290
291 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE];
292 if(!ret) {
293 MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(file_crit));
294 if(!MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE]) {
295 ERR("out of memory\n");
296 *MSVCRT__errno() = MSVCRT_ENOMEM;
297 return NULL;
298 }
299
300 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] + (i%MSVCRT_FD_BLOCK_SIZE);
301 } else
302 ret += i%MSVCRT_FD_BLOCK_SIZE;
303
304 return &ret->file;
305 }
306
307 static inline BOOL msvcrt_is_valid_fd(int fd)
308 {
309 return fd >= 0 && fd < MSVCRT_fdend && (get_ioinfo_nolock(fd)->wxflag & WX_OPEN);
310 }
311
312 /* INTERNAL: free a file entry fd */
313 static void msvcrt_free_fd(int fd)
314 {
315 ioinfo *fdinfo = get_ioinfo(fd);
316
317 if(fdinfo != &MSVCRT___badioinfo)
318 {
319 fdinfo->handle = INVALID_HANDLE_VALUE;
320 fdinfo->wxflag = 0;
321 }
322 TRACE(":fd (%d) freed\n",fd);
323
324 if (fd < 3)
325 {
326 switch (fd)
327 {
328 case 0:
329 SetStdHandle(STD_INPUT_HANDLE, 0);
330 break;
331 case 1:
332 SetStdHandle(STD_OUTPUT_HANDLE, 0);
333 break;
334 case 2:
335 SetStdHandle(STD_ERROR_HANDLE, 0);
336 break;
337 }
338 }
339 release_ioinfo(fdinfo);
340
341 LOCK_FILES();
342 if (fd == MSVCRT_fdend - 1)
343 MSVCRT_fdend--;
344 if (fd < MSVCRT_fdstart)
345 MSVCRT_fdstart = fd;
346 UNLOCK_FILES();
347 }
348
349 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */
350 /* caller must hold the files lock */
351 static int msvcrt_set_fd(HANDLE hand, int flag, int fd)
352 {
353 ioinfo *fdinfo;
354
355 if (fd >= MSVCRT_MAX_FILES)
356 {
357 WARN(":files exhausted!\n");
358 *MSVCRT__errno() = MSVCRT_ENFILE;
359 return -1;
360 }
361
362 fdinfo = get_ioinfo_nolock(fd);
363 if(fdinfo == &MSVCRT___badioinfo) {
364 int i;
365
366 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(ioinfo));
367 if(!MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE]) {
368 WARN(":out of memory!\n");
369 *MSVCRT__errno() = MSVCRT_ENOMEM;
370 return -1;
371 }
372
373 for(i=0; i<MSVCRT_FD_BLOCK_SIZE; i++)
374 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE][i].handle = INVALID_HANDLE_VALUE;
375
376 fdinfo = get_ioinfo_nolock(fd);
377 }
378
379 fdinfo->handle = hand;
380 fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT | WX_PIPE | WX_TTY));
381 fdinfo->lookahead[0] = '\n';
382 fdinfo->lookahead[1] = '\n';
383 fdinfo->lookahead[2] = '\n';
384 if(!(fdinfo->exflag & EF_CRIT_INIT))
385 InitializeCriticalSection(&fdinfo->crit);
386 fdinfo->exflag = EF_CRIT_INIT;
387
388 /* locate next free slot */
389 if (fd == MSVCRT_fdstart && fd == MSVCRT_fdend)
390 MSVCRT_fdstart = MSVCRT_fdend + 1;
391 else
392 while (MSVCRT_fdstart < MSVCRT_fdend &&
393 get_ioinfo_nolock(MSVCRT_fdstart)->handle != INVALID_HANDLE_VALUE)
394 MSVCRT_fdstart++;
395 /* update last fd in use */
396 if (fd >= MSVCRT_fdend)
397 MSVCRT_fdend = fd + 1;
398 TRACE("fdstart is %d, fdend is %d\n", MSVCRT_fdstart, MSVCRT_fdend);
399
400 switch (fd)
401 {
402 case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
403 case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
404 case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
405 }
406
407 return fd;
408 }
409
410 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
411 static int msvcrt_alloc_fd(HANDLE hand, int flag)
412 {
413 int ret;
414
415 LOCK_FILES();
416 TRACE(":handle (%p) allocating fd (%d)\n",hand,MSVCRT_fdstart);
417 ret = msvcrt_set_fd(hand, flag, MSVCRT_fdstart);
418 UNLOCK_FILES();
419 return ret;
420 }
421
422 /* INTERNAL: Allocate a FILE* for an fd slot */
423 /* caller must hold the files lock */
424 static MSVCRT_FILE* msvcrt_alloc_fp(void)
425 {
426 int i;
427 MSVCRT_FILE *file;
428
429 for (i = 3; i < MSVCRT_max_streams; i++)
430 {
431 file = msvcrt_get_file(i);
432 if (!file)
433 return NULL;
434
435 if (file->_flag == 0)
436 {
437 if (i == MSVCRT_stream_idx)
438 {
439 if (file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
440 {
441 InitializeCriticalSection(&((file_crit*)file)->crit);
442 ((file_crit*)file)->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": file_crit.crit");
443 }
444 MSVCRT_stream_idx++;
445 }
446 return file;
447 }
448 }
449
450 return NULL;
451 }
452
453 /* INTERNAL: initialize a FILE* from an open fd */
454 static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags)
455 {
456 TRACE(":fd (%d) allocating FILE*\n",fd);
457 if (!msvcrt_is_valid_fd(fd))
458 {
459 WARN(":invalid fd %d\n",fd);
460 *MSVCRT___doserrno() = 0;
461 *MSVCRT__errno() = MSVCRT_EBADF;
462 return -1;
463 }
464 file->_ptr = file->_base = NULL;
465 file->_cnt = 0;
466 file->_file = fd;
467 file->_flag = stream_flags;
468 file->_tmpfname = NULL;
469
470 TRACE(":got FILE* (%p)\n",file);
471 return 0;
472 }
473
474 /* INTERNAL: Create an inheritance data block (for spawned process)
475 * The inheritance block is made of:
476 * 00 int nb of file descriptor (NBFD)
477 * 04 char file flags (wxflag): repeated for each fd
478 * 4+NBFD HANDLE file handle: repeated for each fd
479 */
480 unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block)
481 {
482 int fd;
483 char* wxflag_ptr;
484 HANDLE* handle_ptr;
485 ioinfo* fdinfo;
486
487 *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
488 *block = MSVCRT_calloc(*size, 1);
489 if (!*block)
490 {
491 *size = 0;
492 return FALSE;
493 }
494 wxflag_ptr = (char*)*block + sizeof(unsigned);
495 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
496
497 *(unsigned*)*block = MSVCRT_fdend;
498 for (fd = 0; fd < MSVCRT_fdend; fd++)
499 {
500 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
501 fdinfo = get_ioinfo(fd);
502 if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
503 {
504 *wxflag_ptr = fdinfo->wxflag;
505 *handle_ptr = fdinfo->handle;
506 }
507 else
508 {
509 *wxflag_ptr = 0;
510 *handle_ptr = INVALID_HANDLE_VALUE;
511 }
512 release_ioinfo(fdinfo);
513 wxflag_ptr++; handle_ptr++;
514 }
515 return TRUE;
516 }
517
518 /* INTERNAL: Set up all file descriptors,
519 * as well as default streams (stdin, stderr and stdout)
520 */
521 void msvcrt_init_io(void)
522 {
523 STARTUPINFOA si;
524 int i;
525 ioinfo *fdinfo;
526
527 GetStartupInfoA(&si);
528 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
529 {
530 BYTE* wxflag_ptr;
531 HANDLE* handle_ptr;
532 unsigned int count;
533
534 count = *(unsigned*)si.lpReserved2;
535 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
536 handle_ptr = (HANDLE*)(wxflag_ptr + count);
537
538 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
539 count = min(count, MSVCRT_MAX_FILES);
540 for (i = 0; i < count; i++)
541 {
542 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
543 msvcrt_set_fd(*handle_ptr, *wxflag_ptr, i);
544
545 wxflag_ptr++; handle_ptr++;
546 }
547 MSVCRT_fdend = max( 3, count );
548 for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
549 if (get_ioinfo_nolock(MSVCRT_fdstart)->handle == INVALID_HANDLE_VALUE) break;
550 }
551
552 fdinfo = get_ioinfo_nolock(MSVCRT_STDIN_FILENO);
553 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
554 HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
555 DWORD type = GetFileType(h);
556
557 msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
558 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDIN_FILENO);
559 }
560
561 fdinfo = get_ioinfo_nolock(MSVCRT_STDOUT_FILENO);
562 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
563 HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
564 DWORD type = GetFileType(h);
565
566 msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
567 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDOUT_FILENO);
568 }
569
570 fdinfo = get_ioinfo_nolock(MSVCRT_STDERR_FILENO);
571 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
572 HANDLE h = GetStdHandle(STD_ERROR_HANDLE);
573 DWORD type = GetFileType(h);
574
575 msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
576 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDERR_FILENO);
577 }
578
579 TRACE(":handles (%p)(%p)(%p)\n", get_ioinfo_nolock(MSVCRT_STDIN_FILENO)->handle,
580 get_ioinfo_nolock(MSVCRT_STDOUT_FILENO)->handle,
581 get_ioinfo_nolock(MSVCRT_STDERR_FILENO)->handle);
582
583 memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
584 for (i = 0; i < 3; i++)
585 {
586 /* FILE structs for stdin/out/err are static and never deleted */
587 MSVCRT__iob[i]._file = i;
588 MSVCRT__iob[i]._tmpfname = NULL;
589 MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
590 }
591 MSVCRT_stream_idx = 3;
592 }
593
594 /* INTERNAL: Flush stdio file buffer */
595 static int msvcrt_flush_buffer(MSVCRT_FILE* file)
596 {
597 if((file->_flag & (MSVCRT__IOREAD|MSVCRT__IOWRT)) == MSVCRT__IOWRT &&
598 file->_flag & (MSVCRT__IOMYBUF|MSVCRT__USERBUF)) {
599 int cnt=file->_ptr-file->_base;
600 if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) {
601 file->_flag |= MSVCRT__IOERR;
602 return MSVCRT_EOF;
603 }
604
605 if(file->_flag & MSVCRT__IORW)
606 file->_flag &= ~MSVCRT__IOWRT;
607 }
608
609 file->_ptr=file->_base;
610 file->_cnt=0;
611 return 0;
612 }
613
614 /*********************************************************************
615 * _isatty (MSVCRT.@)
616 */
617 int CDECL MSVCRT__isatty(int fd)
618 {
619 TRACE(":fd (%d)\n",fd);
620
621 return get_ioinfo_nolock(fd)->wxflag & WX_TTY;
622 }
623
624 /* INTERNAL: Allocate stdio file buffer */
625 static BOOL msvcrt_alloc_buffer(MSVCRT_FILE* file)
626 {
627 if((file->_file==MSVCRT_STDOUT_FILENO || file->_file==MSVCRT_STDERR_FILENO)
628 && MSVCRT__isatty(file->_file))
629 return FALSE;
630
631 file->_base = MSVCRT_calloc(MSVCRT_INTERNAL_BUFSIZ,1);
632 if(file->_base) {
633 file->_bufsiz = MSVCRT_INTERNAL_BUFSIZ;
634 file->_flag |= MSVCRT__IOMYBUF;
635 } else {
636 file->_base = (char*)(&file->_charbuf);
637 file->_bufsiz = 2;
638 file->_flag |= MSVCRT__IONBF;
639 }
640 file->_ptr = file->_base;
641 file->_cnt = 0;
642 return TRUE;
643 }
644
645 /* INTERNAL: Allocate temporary buffer for stdout and stderr */
646 static BOOL add_std_buffer(MSVCRT_FILE *file)
647 {
648 static char buffers[2][MSVCRT_BUFSIZ];
649
650 if((file->_file!=MSVCRT_STDOUT_FILENO && file->_file!=MSVCRT_STDERR_FILENO)
651 || (file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF))
652 || !MSVCRT__isatty(file->_file))
653 return FALSE;
654
655 file->_ptr = file->_base = buffers[file->_file == MSVCRT_STDOUT_FILENO ? 0 : 1];
656 file->_bufsiz = file->_cnt = MSVCRT_BUFSIZ;
657 file->_flag |= MSVCRT__USERBUF;
658 return TRUE;
659 }
660
661 /* INTERNAL: Removes temporary buffer from stdout or stderr */
662 /* Only call this function when add_std_buffer returned TRUE */
663 static void remove_std_buffer(MSVCRT_FILE *file)
664 {
665 msvcrt_flush_buffer(file);
666 file->_ptr = file->_base = NULL;
667 file->_bufsiz = file->_cnt = 0;
668 file->_flag &= ~MSVCRT__USERBUF;
669 }
670
671 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
672 static int msvcrt_int_to_base32(int num, char *str)
673 {
674 char *p;
675 int n = num;
676 int digits = 0;
677
678 while (n != 0)
679 {
680 n >>= 5;
681 digits++;
682 }
683 p = str + digits;
684 *p = 0;
685 while (--p >= str)
686 {
687 *p = (num & 31) + '0';
688 if (*p > '9')
689 *p += ('a' - '0' - 10);
690 num >>= 5;
691 }
692
693 return digits;
694 }
695
696 /* INTERNAL: wide character version of msvcrt_int_to_base32 */
697 static int msvcrt_int_to_base32_w(int num, MSVCRT_wchar_t *str)
698 {
699 MSVCRT_wchar_t *p;
700 int n = num;
701 int digits = 0;
702
703 while (n != 0)
704 {
705 n >>= 5;
706 digits++;
707 }
708 p = str + digits;
709 *p = 0;
710 while (--p >= str)
711 {
712 *p = (num & 31) + '0';
713 if (*p > '9')
714 *p += ('a' - '0' - 10);
715 num >>= 5;
716 }
717
718 return digits;
719 }
720
721 /*********************************************************************
722 * __iob_func(MSVCRT.@)
723 */
724 MSVCRT_FILE * CDECL MSVCRT___iob_func(void)
725 {
726 return &MSVCRT__iob[0];
727 }
728
729 /*********************************************************************
730 * _access (MSVCRT.@)
731 */
732 int CDECL MSVCRT__access(const char *filename, int mode)
733 {
734 DWORD attr = GetFileAttributesA(filename);
735
736 TRACE("(%s,%d) %d\n",filename,mode,attr);
737
738 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
739 {
740 msvcrt_set_errno(GetLastError());
741 return -1;
742 }
743 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
744 {
745 msvcrt_set_errno(ERROR_ACCESS_DENIED);
746 return -1;
747 }
748 return 0;
749 }
750
751 /*********************************************************************
752 * _access_s (MSVCRT.@)
753 */
754 int CDECL MSVCRT__access_s(const char *filename, int mode)
755 {
756 if (!MSVCRT_CHECK_PMT(filename != NULL)) return *MSVCRT__errno();
757 if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return *MSVCRT__errno();
758
759 if (MSVCRT__access(filename, mode) == -1)
760 return *MSVCRT__errno();
761 return 0;
762 }
763
764 /*********************************************************************
765 * _waccess (MSVCRT.@)
766 */
767 int CDECL MSVCRT__waccess(const MSVCRT_wchar_t *filename, int mode)
768 {
769 DWORD attr = GetFileAttributesW(filename);
770
771 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
772
773 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
774 {
775 msvcrt_set_errno(GetLastError());
776 return -1;
777 }
778 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
779 {
780 msvcrt_set_errno(ERROR_ACCESS_DENIED);
781 return -1;
782 }
783 return 0;
784 }
785
786 /*********************************************************************
787 * _waccess_s (MSVCRT.@)
788 */
789 int CDECL MSVCRT__waccess_s(const MSVCRT_wchar_t *filename, int mode)
790 {
791 if (!MSVCRT_CHECK_PMT(filename != NULL)) return *MSVCRT__errno();
792 if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return *MSVCRT__errno();
793
794 if (MSVCRT__waccess(filename, mode) == -1)
795 return *MSVCRT__errno();
796 return 0;
797 }
798
799 /*********************************************************************
800 * _chmod (MSVCRT.@)
801 */
802 int CDECL MSVCRT__chmod(const char *path, int flags)
803 {
804 DWORD oldFlags = GetFileAttributesA(path);
805
806 if (oldFlags != INVALID_FILE_ATTRIBUTES)
807 {
808 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
809 oldFlags | FILE_ATTRIBUTE_READONLY;
810
811 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
812 return 0;
813 }
814 msvcrt_set_errno(GetLastError());
815 return -1;
816 }
817
818 /*********************************************************************
819 * _wchmod (MSVCRT.@)
820 */
821 int CDECL MSVCRT__wchmod(const MSVCRT_wchar_t *path, int flags)
822 {
823 DWORD oldFlags = GetFileAttributesW(path);
824
825 if (oldFlags != INVALID_FILE_ATTRIBUTES)
826 {
827 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
828 oldFlags | FILE_ATTRIBUTE_READONLY;
829
830 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
831 return 0;
832 }
833 msvcrt_set_errno(GetLastError());
834 return -1;
835 }
836
837 /*********************************************************************
838 * _unlink (MSVCRT.@)
839 */
840 int CDECL MSVCRT__unlink(const char *path)
841 {
842 TRACE("%s\n",debugstr_a(path));
843 if(DeleteFileA(path))
844 return 0;
845 TRACE("failed (%d)\n",GetLastError());
846 msvcrt_set_errno(GetLastError());
847 return -1;
848 }
849
850 /*********************************************************************
851 * _wunlink (MSVCRT.@)
852 */
853 int CDECL MSVCRT__wunlink(const MSVCRT_wchar_t *path)
854 {
855 TRACE("(%s)\n",debugstr_w(path));
856 if(DeleteFileW(path))
857 return 0;
858 TRACE("failed (%d)\n",GetLastError());
859 msvcrt_set_errno(GetLastError());
860 return -1;
861 }
862
863 /*********************************************************************
864 * _commit (MSVCRT.@)
865 */
866 int CDECL MSVCRT__commit(int fd)
867 {
868 ioinfo *info = get_ioinfo(fd);
869 int ret;
870
871 TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
872
873 if (info->handle == INVALID_HANDLE_VALUE)
874 ret = -1;
875 else if (!FlushFileBuffers(info->handle))
876 {
877 if (GetLastError() == ERROR_INVALID_HANDLE)
878 {
879 /* FlushFileBuffers fails for console handles
880 * so we ignore this error.
881 */
882 ret = 0;
883 }
884 else
885 {
886 TRACE(":failed-last error (%d)\n",GetLastError());
887 msvcrt_set_errno(GetLastError());
888 ret = -1;
889 }
890 }
891 else
892 {
893 TRACE(":ok\n");
894 ret = 0;
895 }
896
897 release_ioinfo(info);
898 return ret;
899 }
900
901 /* flush_all_buffers calls MSVCRT_fflush which calls flush_all_buffers */
902 int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
903
904 /* INTERNAL: Flush all stream buffer */
905 static int msvcrt_flush_all_buffers(int mask)
906 {
907 int i, num_flushed = 0;
908 MSVCRT_FILE *file;
909
910 LOCK_FILES();
911 for (i = 0; i < MSVCRT_stream_idx; i++) {
912 file = msvcrt_get_file(i);
913
914 if (file->_flag)
915 {
916 if(file->_flag & mask) {
917 MSVCRT_fflush(file);
918 num_flushed++;
919 }
920 }
921 }
922 UNLOCK_FILES();
923
924 TRACE(":flushed (%d) handles\n",num_flushed);
925 return num_flushed;
926 }
927
928 /*********************************************************************
929 * _flushall (MSVCRT.@)
930 */
931 int CDECL MSVCRT__flushall(void)
932 {
933 return msvcrt_flush_all_buffers(MSVCRT__IOWRT | MSVCRT__IOREAD);
934 }
935
936 /*********************************************************************
937 * fflush (MSVCRT.@)
938 */
939 int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
940 {
941 int ret;
942
943 if(!file) {
944 msvcrt_flush_all_buffers(MSVCRT__IOWRT);
945 ret = 0;
946 } else {
947 MSVCRT__lock_file(file);
948 ret = MSVCRT__fflush_nolock(file);
949 MSVCRT__unlock_file(file);
950 }
951
952 return ret;
953 }
954
955 /*********************************************************************
956 * _fflush_nolock (MSVCRT.@)
957 */
958 int CDECL MSVCRT__fflush_nolock(MSVCRT_FILE* file)
959 {
960 int res;
961
962 if(!file) {
963 msvcrt_flush_all_buffers(MSVCRT__IOWRT);
964 return 0;
965 }
966
967 res = msvcrt_flush_buffer(file);
968 if(!res && (file->_flag & MSVCRT__IOCOMMIT))
969 res = MSVCRT__commit(file->_file) ? MSVCRT_EOF : 0;
970 return res;
971 }
972
973 /*********************************************************************
974 * _close (MSVCRT.@)
975 */
976 int CDECL MSVCRT__close(int fd)
977 {
978 ioinfo *info = get_ioinfo(fd);
979 int ret;
980
981 LOCK_FILES();
982 TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
983 if (!(info->wxflag & WX_OPEN)) {
984 ret = -1;
985 } else {
986 ret = CloseHandle(info->handle) ? 0 : -1;
987 msvcrt_free_fd(fd);
988 if (ret) {
989 WARN(":failed-last error (%d)\n",GetLastError());
990 msvcrt_set_errno(GetLastError());
991 }
992 }
993 UNLOCK_FILES();
994 release_ioinfo(info);
995 return ret;
996 }
997
998 /*********************************************************************
999 * _dup2 (MSVCRT.@)
1000 * NOTES
1001 * MSDN isn't clear on this point, but the remarks for _pipe
1002 * indicate file descriptors duplicated with _dup and _dup2 are always
1003 * inheritable.
1004 */
1005 int CDECL MSVCRT__dup2(int od, int nd)
1006 {
1007 ioinfo *info_od, *info_nd;
1008 int ret;
1009
1010 TRACE("(od=%d, nd=%d)\n", od, nd);
1011 LOCK_FILES();
1012
1013 if (od < nd)
1014 {
1015 info_od = get_ioinfo(od);
1016 info_nd = get_ioinfo(nd);
1017 }
1018 else
1019 {
1020 info_nd = get_ioinfo(nd);
1021 info_od = get_ioinfo(od);
1022 }
1023
1024 if (nd < MSVCRT_MAX_FILES && nd >= 0 && (info_od->wxflag & WX_OPEN))
1025 {
1026 HANDLE handle;
1027
1028 if (DuplicateHandle(GetCurrentProcess(), info_od->handle,
1029 GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
1030 {
1031 int wxflag = info_od->wxflag & ~MSVCRT__O_NOINHERIT;
1032
1033 if (info_nd->wxflag & WX_OPEN)
1034 MSVCRT__close(nd);
1035 ret = msvcrt_set_fd(handle, wxflag, nd);
1036 if (ret == -1)
1037 {
1038 CloseHandle(handle);
1039 *MSVCRT__errno() = MSVCRT_EMFILE;
1040 }
1041 else
1042 {
1043 /* _dup2 returns 0, not nd, on success */
1044 ret = 0;
1045 }
1046 }
1047 else
1048 {
1049 ret = -1;
1050 msvcrt_set_errno(GetLastError());
1051 }
1052 }
1053 else
1054 {
1055 *MSVCRT__errno() = MSVCRT_EBADF;
1056 ret = -1;
1057 }
1058
1059 release_ioinfo(info_od);
1060 release_ioinfo(info_nd);
1061 UNLOCK_FILES();
1062 return ret;
1063 }
1064
1065 /*********************************************************************
1066 * _dup (MSVCRT.@)
1067 */
1068 int CDECL MSVCRT__dup(int od)
1069 {
1070 int fd, ret;
1071
1072 LOCK_FILES();
1073 fd = MSVCRT_fdstart;
1074 if (MSVCRT__dup2(od, fd) == 0)
1075 ret = fd;
1076 else
1077 ret = -1;
1078 UNLOCK_FILES();
1079 return ret;
1080 }
1081
1082 /*********************************************************************
1083 * _eof (MSVCRT.@)
1084 */
1085 int CDECL MSVCRT__eof(int fd)
1086 {
1087 ioinfo *info = get_ioinfo(fd);
1088 DWORD curpos,endpos;
1089 LONG hcurpos,hendpos;
1090
1091 TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
1092
1093 if (info->handle == INVALID_HANDLE_VALUE)
1094 {
1095 release_ioinfo(info);
1096 return -1;
1097 }
1098
1099 if (info->wxflag & WX_ATEOF)
1100 {
1101 release_ioinfo(info);
1102 return TRUE;
1103 }
1104
1105 /* Otherwise we do it the hard way */
1106 hcurpos = hendpos = 0;
1107 curpos = SetFilePointer(info->handle, 0, &hcurpos, FILE_CURRENT);
1108 endpos = SetFilePointer(info->handle, 0, &hendpos, FILE_END);
1109
1110 if (curpos == endpos && hcurpos == hendpos)
1111 {
1112 /* FIXME: shouldn't WX_ATEOF be set here? */
1113 release_ioinfo(info);
1114 return TRUE;
1115 }
1116
1117 SetFilePointer(info->handle, curpos, &hcurpos, FILE_BEGIN);
1118 release_ioinfo(info);
1119 return FALSE;
1120 }
1121
1122 /*********************************************************************
1123 * _fcloseall (MSVCRT.@)
1124 */
1125 int CDECL MSVCRT__fcloseall(void)
1126 {
1127 int num_closed = 0, i;
1128 MSVCRT_FILE *file;
1129
1130 LOCK_FILES();
1131 for (i = 3; i < MSVCRT_stream_idx; i++) {
1132 file = msvcrt_get_file(i);
1133
1134 if (file->_flag && !MSVCRT_fclose(file))
1135 num_closed++;
1136 }
1137 UNLOCK_FILES();
1138
1139 TRACE(":closed (%d) handles\n",num_closed);
1140 return num_closed;
1141 }
1142
1143 /* free everything on process exit */
1144 void msvcrt_free_io(void)
1145 {
1146 unsigned int i;
1147 int j;
1148
1149 MSVCRT__flushall();
1150 MSVCRT__fcloseall();
1151
1152 for(i=0; i<sizeof(MSVCRT___pioinfo)/sizeof(MSVCRT___pioinfo[0]); i++)
1153 {
1154 if(!MSVCRT___pioinfo[i])
1155 continue;
1156
1157 for(j=0; j<MSVCRT_FD_BLOCK_SIZE; j++)
1158 {
1159 if(MSVCRT___pioinfo[i][j].exflag & EF_CRIT_INIT)
1160 DeleteCriticalSection(&MSVCRT___pioinfo[i][j].crit);
1161 }
1162 MSVCRT_free(MSVCRT___pioinfo[i]);
1163 }
1164
1165 for(j=0; j<MSVCRT_stream_idx; j++)
1166 {
1167 MSVCRT_FILE *file = msvcrt_get_file(j);
1168 if(file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
1169 {
1170 ((file_crit*)file)->crit.DebugInfo->Spare[0] = 0;
1171 DeleteCriticalSection(&((file_crit*)file)->crit);
1172 }
1173 }
1174
1175 for(i=0; i<sizeof(MSVCRT_fstream)/sizeof(MSVCRT_fstream[0]); i++)
1176 MSVCRT_free(MSVCRT_fstream[i]);
1177
1178 DeleteCriticalSection(&MSVCRT_file_cs);
1179 }
1180
1181 /*********************************************************************
1182 * _lseeki64 (MSVCRT.@)
1183 */
1184 __int64 CDECL MSVCRT__lseeki64(int fd, __int64 offset, int whence)
1185 {
1186 ioinfo *info = get_ioinfo(fd);
1187 LARGE_INTEGER ofs;
1188
1189 TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
1190
1191 if (info->handle == INVALID_HANDLE_VALUE)
1192 {
1193 release_ioinfo(info);
1194 return -1;
1195 }
1196
1197 if (whence < 0 || whence > 2)
1198 {
1199 release_ioinfo(info);
1200 *MSVCRT__errno() = MSVCRT_EINVAL;
1201 return -1;
1202 }
1203
1204 TRACE(":fd (%d) to %s pos %s\n",
1205 fd,wine_dbgstr_longlong(offset),
1206 (whence==SEEK_SET)?"SEEK_SET":
1207 (whence==SEEK_CUR)?"SEEK_CUR":
1208 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
1209
1210 /* The MoleBox protection scheme expects msvcrt to use SetFilePointer only,
1211 * so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */
1212 ofs.QuadPart = offset;
1213 if ((ofs.u.LowPart = SetFilePointer(info->handle, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER ||
1214 GetLastError() == ERROR_SUCCESS)
1215 {
1216 info->wxflag &= ~WX_ATEOF;
1217 /* FIXME: What if we seek _to_ EOF - is EOF set? */
1218
1219 release_ioinfo(info);
1220 return ofs.QuadPart;
1221 }
1222 release_ioinfo(info);
1223 TRACE(":error-last error (%d)\n",GetLastError());
1224 msvcrt_set_errno(GetLastError());
1225 return -1;
1226 }
1227
1228 /*********************************************************************
1229 * _lseek (MSVCRT.@)
1230 */
1231 LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence)
1232 {
1233 return MSVCRT__lseeki64(fd, offset, whence);
1234 }
1235
1236 /*********************************************************************
1237 * _lock_file (MSVCRT.@)
1238 */
1239 void CDECL MSVCRT__lock_file(MSVCRT_FILE *file)
1240 {
1241 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1242 _lock(_STREAM_LOCKS+(file-MSVCRT__iob));
1243 else
1244 EnterCriticalSection(&((file_crit*)file)->crit);
1245 }
1246
1247 /*********************************************************************
1248 * _unlock_file (MSVCRT.@)
1249 */
1250 void CDECL MSVCRT__unlock_file(MSVCRT_FILE *file)
1251 {
1252 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1253 _unlock(_STREAM_LOCKS+(file-MSVCRT__iob));
1254 else
1255 LeaveCriticalSection(&((file_crit*)file)->crit);
1256 }
1257
1258 /*********************************************************************
1259 * _locking (MSVCRT.@)
1260 *
1261 * This is untested; the underlying LockFile doesn't work yet.
1262 */
1263 int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes)
1264 {
1265 ioinfo *info = get_ioinfo(fd);
1266 BOOL ret;
1267 DWORD cur_locn;
1268
1269 TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
1270 if (info->handle == INVALID_HANDLE_VALUE)
1271 {
1272 release_ioinfo(info);
1273 return -1;
1274 }
1275
1276 if (mode < 0 || mode > 4)
1277 {
1278 release_ioinfo(info);
1279 *MSVCRT__errno() = MSVCRT_EINVAL;
1280 return -1;
1281 }
1282
1283 TRACE(":fd (%d) by 0x%08x mode %s\n",
1284 fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
1285 (mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
1286 (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
1287 (mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
1288 (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
1289 "UNKNOWN");
1290
1291 if ((cur_locn = SetFilePointer(info->handle, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
1292 {
1293 release_ioinfo(info);
1294 FIXME ("Seek failed\n");
1295 *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
1296 return -1;
1297 }
1298 if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
1299 {
1300 int nretry = 10;
1301 ret = 1; /* just to satisfy gcc */
1302 while (nretry--)
1303 {
1304 ret = LockFile(info->handle, cur_locn, 0L, nbytes, 0L);
1305 if (ret) break;
1306 Sleep(1);
1307 }
1308 }
1309 else if (mode == MSVCRT__LK_UNLCK)
1310 ret = UnlockFile(info->handle, cur_locn, 0L, nbytes, 0L);
1311 else
1312 ret = LockFile(info->handle, cur_locn, 0L, nbytes, 0L);
1313 /* FIXME - what about error settings? */
1314 release_ioinfo(info);
1315 return ret ? 0 : -1;
1316 }
1317
1318 /*********************************************************************
1319 * _fseeki64 (MSVCRT.@)
1320 */
1321 int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence)
1322 {
1323 int ret;
1324
1325 MSVCRT__lock_file(file);
1326 ret = MSVCRT__fseeki64_nolock(file, offset, whence);
1327 MSVCRT__unlock_file(file);
1328
1329 return ret;
1330 }
1331
1332 /*********************************************************************
1333 * _fseeki64_nolock (MSVCRT.@)
1334 */
1335 int CDECL MSVCRT__fseeki64_nolock(MSVCRT_FILE* file, __int64 offset, int whence)
1336 {
1337 int ret;
1338
1339 if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
1340 whence = SEEK_SET;
1341 offset += MSVCRT__ftelli64_nolock(file);
1342 }
1343
1344 /* Flush output if needed */
1345 msvcrt_flush_buffer(file);
1346 /* Reset direction of i/o */
1347 if(file->_flag & MSVCRT__IORW) {
1348 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
1349 }
1350 /* Clear end of file flag */
1351 file->_flag &= ~MSVCRT__IOEOF;
1352 ret = (MSVCRT__lseeki64(file->_file,offset,whence) == -1)?-1:0;
1353
1354 return ret;
1355 }
1356
1357 /*********************************************************************
1358 * fseek (MSVCRT.@)
1359 */
1360 int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
1361 {
1362 return MSVCRT__fseeki64( file, offset, whence );
1363 }
1364
1365 /*********************************************************************
1366 * _fseek_nolock (MSVCRT.@)
1367 */
1368 int CDECL MSVCRT__fseek_nolock(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
1369 {
1370 return MSVCRT__fseeki64_nolock( file, offset, whence );
1371 }
1372
1373 /*********************************************************************
1374 * _chsize_s (MSVCRT.@)
1375 */
1376 int CDECL MSVCRT__chsize_s(int fd, __int64 size)
1377 {
1378 ioinfo *info;
1379 __int64 cur, pos;
1380 BOOL ret = FALSE;
1381
1382 TRACE("(fd=%d, size=%s)\n", fd, wine_dbgstr_longlong(size));
1383
1384 if (!MSVCRT_CHECK_PMT(size >= 0)) return MSVCRT_EINVAL;
1385
1386
1387 info = get_ioinfo(fd);
1388 if (info->handle != INVALID_HANDLE_VALUE)
1389 {
1390 /* save the current file pointer */
1391 cur = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1392 if (cur >= 0)
1393 {
1394 pos = MSVCRT__lseeki64(fd, size, SEEK_SET);
1395 if (pos >= 0)
1396 {
1397 ret = SetEndOfFile(info->handle);
1398 if (!ret) msvcrt_set_errno(GetLastError());
1399 }
1400
1401 /* restore the file pointer */
1402 MSVCRT__lseeki64(fd, cur, SEEK_SET);
1403 }
1404 }
1405
1406 release_ioinfo(info);
1407 return ret ? 0 : *MSVCRT__errno();
1408 }
1409
1410 /*********************************************************************
1411 * _chsize (MSVCRT.@)
1412 */
1413 int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
1414 {
1415 /* _chsize_s returns errno on failure but _chsize should return -1 */
1416 return MSVCRT__chsize_s( fd, size ) == 0 ? 0 : -1;
1417 }
1418
1419 /*********************************************************************
1420 * clearerr (MSVCRT.@)
1421 */
1422 void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
1423 {
1424 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1425
1426 MSVCRT__lock_file(file);
1427 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
1428 MSVCRT__unlock_file(file);
1429 }
1430
1431 /*********************************************************************
1432 * rewind (MSVCRT.@)
1433 */
1434 void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
1435 {
1436 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1437
1438 MSVCRT__lock_file(file);
1439 MSVCRT__fseek_nolock(file, 0L, SEEK_SET);
1440 MSVCRT_clearerr(file);
1441 MSVCRT__unlock_file(file);
1442 }
1443
1444 static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags)
1445 {
1446 int plus = strchrW(mode, '+') != NULL;
1447
1448 TRACE("%s\n", debugstr_w(mode));
1449
1450 while(*mode == ' ') mode++;
1451
1452 switch(*mode++)
1453 {
1454 case 'R': case 'r':
1455 *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
1456 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
1457 break;
1458 case 'W': case 'w':
1459 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1460 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1461 break;
1462 case 'A': case 'a':
1463 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1464 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1465 break;
1466 default:
1467 MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
1468 return -1;
1469 }
1470
1471 *stream_flags |= MSVCRT__commode;
1472
1473 while (*mode && *mode!=',')
1474 switch (*mode++)
1475 {
1476 case 'B': case 'b':
1477 *open_flags |= MSVCRT__O_BINARY;
1478 *open_flags &= ~MSVCRT__O_TEXT;
1479 break;
1480 case 't':
1481 *open_flags |= MSVCRT__O_TEXT;
1482 *open_flags &= ~MSVCRT__O_BINARY;
1483 break;
1484 case 'D':
1485 *open_flags |= MSVCRT__O_TEMPORARY;
1486 break;
1487 case 'T':
1488 *open_flags |= MSVCRT__O_SHORT_LIVED;
1489 break;
1490 case 'c':
1491 *stream_flags |= MSVCRT__IOCOMMIT;
1492 break;
1493 case 'n':
1494 *stream_flags &= ~MSVCRT__IOCOMMIT;
1495 break;
1496 case 'N':
1497 *open_flags |= MSVCRT__O_NOINHERIT;
1498 break;
1499 case '+':
1500 case ' ':
1501 case 'a':
1502 case 'w':
1503 break;
1504 case 'S':
1505 case 'R':
1506 FIXME("ignoring cache optimization flag: %c\n", mode[-1]);
1507 break;
1508 default:
1509 ERR("incorrect mode flag: %c\n", mode[-1]);
1510 break;
1511 }
1512
1513 if(*mode == ',')
1514 {
1515 static const WCHAR ccs[] = {'c','c','s'};
1516 static const WCHAR utf8[] = {'u','t','f','-','8'};
1517 static const WCHAR utf16le[] = {'u','t','f','-','1','6','l','e'};
1518 static const WCHAR unicode[] = {'u','n','i','c','o','d','e'};
1519
1520 mode++;
1521 while(*mode == ' ') mode++;
1522 if(!MSVCRT_CHECK_PMT(!strncmpW(ccs, mode, sizeof(ccs)/sizeof(ccs[0]))))
1523 return -1;
1524 mode += sizeof(ccs)/sizeof(ccs[0]);
1525 while(*mode == ' ') mode++;
1526 if(!MSVCRT_CHECK_PMT(*mode == '='))
1527 return -1;
1528 mode++;
1529 while(*mode == ' ') mode++;
1530
1531 if(!strncmpiW(utf8, mode, sizeof(utf8)/sizeof(utf8[0])))
1532 {
1533 *open_flags |= MSVCRT__O_U8TEXT;
1534 mode += sizeof(utf8)/sizeof(utf8[0]);
1535 }
1536 else if(!strncmpiW(utf16le, mode, sizeof(utf16le)/sizeof(utf16le[0])))
1537 {
1538 *open_flags |= MSVCRT__O_U16TEXT;
1539 mode += sizeof(utf16le)/sizeof(utf16le[0]);
1540 }
1541 else if(!strncmpiW(unicode, mode, sizeof(unicode)/sizeof(unicode[0])))
1542 {
1543 *open_flags |= MSVCRT__O_WTEXT;
1544 mode += sizeof(unicode)/sizeof(unicode[0]);
1545 }
1546 else
1547 {
1548 MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
1549 return -1;
1550 }
1551
1552 while(*mode == ' ') mode++;
1553 }
1554
1555 if(!MSVCRT_CHECK_PMT(*mode == 0))
1556 return -1;
1557 return 0;
1558 }
1559
1560 /*********************************************************************
1561 * _fdopen (MSVCRT.@)
1562 */
1563 MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode)
1564 {
1565 MSVCRT_FILE *ret;
1566 MSVCRT_wchar_t *modeW = NULL;
1567
1568 if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
1569
1570 ret = MSVCRT__wfdopen(fd, modeW);
1571
1572 MSVCRT_free(modeW);
1573 return ret;
1574 }
1575
1576 /*********************************************************************
1577 * _wfdopen (MSVCRT.@)
1578 */
1579 MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
1580 {
1581 int open_flags, stream_flags;
1582 MSVCRT_FILE* file;
1583
1584 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
1585
1586 LOCK_FILES();
1587 if (!(file = msvcrt_alloc_fp()))
1588 file = NULL;
1589 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
1590 {
1591 file->_flag = 0;
1592 file = NULL;
1593 }
1594 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
1595 UNLOCK_FILES();
1596
1597 return file;
1598 }
1599
1600 /*********************************************************************
1601 * _filelength (MSVCRT.@)
1602 */
1603 LONG CDECL MSVCRT__filelength(int fd)
1604 {
1605 LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR);
1606 if (curPos != -1)
1607 {
1608 LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END);
1609 if (endPos != -1)
1610 {
1611 if (endPos != curPos)
1612 MSVCRT__lseek(fd, curPos, SEEK_SET);
1613 return endPos;
1614 }
1615 }
1616 return -1;
1617 }
1618
1619 /*********************************************************************
1620 * _filelengthi64 (MSVCRT.@)
1621 */
1622 __int64 CDECL MSVCRT__filelengthi64(int fd)
1623 {
1624 __int64 curPos = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1625 if (curPos != -1)
1626 {
1627 __int64 endPos = MSVCRT__lseeki64(fd, 0, SEEK_END);
1628 if (endPos != -1)
1629 {
1630 if (endPos != curPos)
1631 MSVCRT__lseeki64(fd, curPos, SEEK_SET);
1632 return endPos;
1633 }
1634 }
1635 return -1;
1636 }
1637
1638 /*********************************************************************
1639 * _fileno (MSVCRT.@)
1640 */
1641 int CDECL MSVCRT__fileno(MSVCRT_FILE* file)
1642 {
1643 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
1644 return file->_file;
1645 }
1646
1647 /*********************************************************************
1648 * _fstat64 (MSVCRT.@)
1649 */
1650 int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf)
1651 {
1652 ioinfo *info = get_ioinfo(fd);
1653 DWORD dw;
1654 DWORD type;
1655 BY_HANDLE_FILE_INFORMATION hfi;
1656
1657 TRACE(":fd (%d) stat (%p)\n", fd, buf);
1658 if (info->handle == INVALID_HANDLE_VALUE)
1659 {
1660 release_ioinfo(info);
1661 return -1;
1662 }
1663
1664 if (!buf)
1665 {
1666 WARN(":failed-NULL buf\n");
1667 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1668 release_ioinfo(info);
1669 return -1;
1670 }
1671
1672 memset(&hfi, 0, sizeof(hfi));
1673 memset(buf, 0, sizeof(struct MSVCRT__stat64));
1674 type = GetFileType(info->handle);
1675 if (type == FILE_TYPE_PIPE)
1676 {
1677 buf->st_dev = buf->st_rdev = fd;
1678 buf->st_mode = S_IFIFO;
1679 buf->st_nlink = 1;
1680 }
1681 else if (type == FILE_TYPE_CHAR)
1682 {
1683 buf->st_dev = buf->st_rdev = fd;
1684 buf->st_mode = S_IFCHR;
1685 buf->st_nlink = 1;
1686 }
1687 else /* FILE_TYPE_DISK etc. */
1688 {
1689 if (!GetFileInformationByHandle(info->handle, &hfi))
1690 {
1691 WARN(":failed-last error (%d)\n",GetLastError());
1692 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1693 release_ioinfo(info);
1694 return -1;
1695 }
1696 buf->st_mode = S_IFREG | 0444;
1697 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1698 buf->st_mode |= 0222;
1699 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1700 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1701 buf->st_atime = dw;
1702 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1703 buf->st_mtime = buf->st_ctime = dw;
1704 buf->st_nlink = hfi.nNumberOfLinks;
1705 }
1706 TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
1707 buf->st_mode);
1708 release_ioinfo(info);
1709 return 0;
1710 }
1711
1712 /*********************************************************************
1713 * _fstati64 (MSVCRT.@)
1714 */
1715 int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
1716 {
1717 int ret;
1718 struct MSVCRT__stat64 buf64;
1719
1720 ret = MSVCRT__fstat64(fd, &buf64);
1721 if (!ret)
1722 msvcrt_stat64_to_stati64(&buf64, buf);
1723 return ret;
1724 }
1725
1726 /*********************************************************************
1727 * _fstat (MSVCRT.@)
1728 */
1729 int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
1730 { int ret;
1731 struct MSVCRT__stat64 buf64;
1732
1733 ret = MSVCRT__fstat64(fd, &buf64);
1734 if (!ret)
1735 msvcrt_stat64_to_stat(&buf64, buf);
1736 return ret;
1737 }
1738
1739 /*********************************************************************
1740 * _fstat32 (MSVCR80.@)
1741 */
1742 int CDECL MSVCRT__fstat32(int fd, struct MSVCRT__stat32* buf)
1743 {
1744 int ret;
1745 struct MSVCRT__stat64 buf64;
1746
1747 ret = MSVCRT__fstat64(fd, &buf64);
1748 if (!ret)
1749 msvcrt_stat64_to_stat32(&buf64, buf);
1750 return ret;
1751 }
1752
1753 /*********************************************************************
1754 * _fstat64i32 (MSVCR80.@)
1755 */
1756 int CDECL MSVCRT__fstat64i32(int fd, struct MSVCRT__stat64i32* buf)
1757 {
1758 int ret;
1759 struct MSVCRT__stat64 buf64;
1760
1761 ret = MSVCRT__fstat64(fd, &buf64);
1762 if (!ret)
1763 msvcrt_stat64_to_stat64i32(&buf64, buf);
1764 return ret;
1765 }
1766
1767 /*********************************************************************
1768 * _futime64 (MSVCRT.@)
1769 */
1770 int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t)
1771 {
1772 ioinfo *info = get_ioinfo(fd);
1773 FILETIME at, wt;
1774
1775 if (!t)
1776 {
1777 time_to_filetime( MSVCRT__time64(NULL), &at );
1778 wt = at;
1779 }
1780 else
1781 {
1782 time_to_filetime( t->actime, &at );
1783 time_to_filetime( t->modtime, &wt );
1784 }
1785
1786 if (!SetFileTime(info->handle, NULL, &at, &wt))
1787 {
1788 release_ioinfo(info);
1789 msvcrt_set_errno(GetLastError());
1790 return -1 ;
1791 }
1792 release_ioinfo(info);
1793 return 0;
1794 }
1795
1796 /*********************************************************************
1797 * _futime32 (MSVCRT.@)
1798 */
1799 int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t)
1800 {
1801 if (t)
1802 {
1803 struct MSVCRT___utimbuf64 t64;
1804 t64.actime = t->actime;
1805 t64.modtime = t->modtime;
1806 return _futime64( fd, &t64 );
1807 }
1808 else
1809 return _futime64( fd, NULL );
1810 }
1811
1812 /*********************************************************************
1813 * _futime (MSVCRT.@)
1814 */
1815 #ifdef _WIN64
1816 int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t)
1817 {
1818 return _futime64( fd, t );
1819 }
1820 #else
1821 int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t)
1822 {
1823 return _futime32( fd, t );
1824 }
1825 #endif
1826
1827 /*********************************************************************
1828 * _get_osfhandle (MSVCRT.@)
1829 */
1830 MSVCRT_intptr_t CDECL MSVCRT__get_osfhandle(int fd)
1831 {
1832 HANDLE hand = get_ioinfo_nolock(fd)->handle;
1833 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1834
1835 if(hand == INVALID_HANDLE_VALUE)
1836 *MSVCRT__errno() = MSVCRT_EBADF;
1837 return (MSVCRT_intptr_t)hand;
1838 }
1839
1840 /*********************************************************************
1841 * _mktemp_s (MSVCRT.@)
1842 */
1843 int CDECL MSVCRT__mktemp_s(char *pattern, MSVCRT_size_t size)
1844 {
1845 DWORD len, xno, id;
1846
1847 if(!MSVCRT_CHECK_PMT(pattern!=NULL))
1848 return MSVCRT_EINVAL;
1849
1850 for(len=0; len<size; len++)
1851 if(!pattern[len])
1852 break;
1853 if(!MSVCRT_CHECK_PMT(len!=size && len>=6)) {
1854 if(size)
1855 pattern[0] = 0;
1856 return MSVCRT_EINVAL;
1857 }
1858
1859 for(xno=1; xno<=6; xno++)
1860 if(!MSVCRT_CHECK_PMT(pattern[len-xno] == 'X'))
1861 return MSVCRT_EINVAL;
1862
1863 id = GetCurrentProcessId();
1864 for(xno=1; xno<6; xno++) {
1865 pattern[len-xno] = id%10 + '0';
1866 id /= 10;
1867 }
1868
1869 for(pattern[len-6]='a'; pattern[len-6]<='z'; pattern[len-6]++) {
1870 if(GetFileAttributesA(pattern) == INVALID_FILE_ATTRIBUTES)
1871 return 0;
1872 }
1873
1874 pattern[0] = 0;
1875 *MSVCRT__errno() = MSVCRT_EEXIST;
1876 return MSVCRT_EEXIST;
1877 }
1878
1879 /*********************************************************************
1880 * _mktemp (MSVCRT.@)
1881 */
1882 char * CDECL MSVCRT__mktemp(char *pattern)
1883 {
1884 int numX = 0;
1885 char *retVal = pattern;
1886 int id;
1887 char letter = 'a';
1888
1889 if(!pattern)
1890 return NULL;
1891
1892 while(*pattern)
1893 numX = (*pattern++ == 'X')? numX + 1 : 0;
1894 if (numX < 6)
1895 return NULL;
1896 pattern--;
1897 id = GetCurrentProcessId();
1898 numX = 6;
1899 while(numX--)
1900 {
1901 int tempNum = id / 10;
1902 *pattern-- = id - (tempNum * 10) + '0';
1903 id = tempNum;
1904 }
1905 pattern++;
1906 do
1907 {
1908 *pattern = letter++;
1909 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES)
1910 return retVal;
1911 } while(letter <= 'z');
1912 return NULL;
1913 }
1914
1915 /*********************************************************************
1916 * _wmktemp_s (MSVCRT.@)
1917 */
1918 int CDECL MSVCRT__wmktemp_s(MSVCRT_wchar_t *pattern, MSVCRT_size_t size)
1919 {
1920 DWORD len, xno, id;
1921
1922 if(!MSVCRT_CHECK_PMT(pattern!=NULL))
1923 return MSVCRT_EINVAL;
1924
1925 for(len=0; len<size; len++)
1926 if(!pattern[len])
1927 break;
1928 if(!MSVCRT_CHECK_PMT(len!=size && len>=6)) {
1929 if(size)
1930 pattern[0] = 0;
1931 return MSVCRT_EINVAL;
1932 }
1933
1934 for(xno=1; xno<=6; xno++)
1935 if(!MSVCRT_CHECK_PMT(pattern[len-xno] == 'X'))
1936 return MSVCRT_EINVAL;
1937
1938 id = GetCurrentProcessId();
1939 for(xno=1; xno<6; xno++) {
1940 pattern[len-xno] = id%10 + '0';
1941 id /= 10;
1942 }
1943
1944 for(pattern[len-6]='a'; pattern[len-6]<='z'; pattern[len-6]++) {
1945 if(GetFileAttributesW(pattern) == INVALID_FILE_ATTRIBUTES)
1946 return 0;
1947 }
1948
1949 pattern[0] = 0;
1950 *MSVCRT__errno() = MSVCRT_EEXIST;
1951 return MSVCRT_EEXIST;
1952 }
1953
1954 /*********************************************************************
1955 * _wmktemp (MSVCRT.@)
1956 */
1957 MSVCRT_wchar_t * CDECL MSVCRT__wmktemp(MSVCRT_wchar_t *pattern)
1958 {
1959 int numX = 0;
1960 MSVCRT_wchar_t *retVal = pattern;
1961 int id;
1962 MSVCRT_wchar_t letter = 'a';
1963
1964 if(!pattern)
1965 return NULL;
1966
1967 while(*pattern)
1968 numX = (*pattern++ == 'X')? numX + 1 : 0;
1969 if (numX < 6)
1970 return NULL;
1971 pattern--;
1972 id = GetCurrentProcessId();
1973 numX = 6;
1974 while(numX--)
1975 {
1976 int tempNum = id / 10;
1977 *pattern-- = id - (tempNum * 10) + '0';
1978 id = tempNum;
1979 }
1980 pattern++;
1981 do
1982 {
1983 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES)
1984 return retVal;
1985 *pattern = letter++;
1986 } while(letter != '|');
1987 return NULL;
1988 }
1989
1990 static unsigned split_oflags(unsigned oflags)
1991 {
1992 int wxflags = 0;
1993 unsigned unsupp; /* until we support everything */
1994
1995 if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
1996 if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */}
1997 else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
1998 else if (oflags & MSVCRT__O_WTEXT) wxflags |= WX_TEXT;
1999 else if (oflags & MSVCRT__O_U16TEXT) wxflags |= WX_TEXT;
2000 else if (oflags & MSVCRT__O_U8TEXT) wxflags |= WX_TEXT;
2001 else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */}
2002 else wxflags |= WX_TEXT; /* default to TEXT*/
2003 if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
2004
2005 if ((unsupp = oflags & ~(
2006 MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|
2007 MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT|
2008 MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY|
2009 MSVCRT__O_NOINHERIT|
2010 MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED|
2011 MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT
2012 )))
2013 ERR(":unsupported oflags 0x%04x\n",unsupp);
2014
2015 return wxflags;
2016 }
2017
2018 /*********************************************************************
2019 * _pipe (MSVCRT.@)
2020 */
2021 int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode)
2022 {
2023 int ret = -1;
2024 SECURITY_ATTRIBUTES sa;
2025 HANDLE readHandle, writeHandle;
2026
2027 if (!pfds)
2028 {
2029 *MSVCRT__errno() = MSVCRT_EINVAL;
2030 return -1;
2031 }
2032
2033 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
2034 sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT);
2035 sa.lpSecurityDescriptor = NULL;
2036 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
2037 {
2038 unsigned int wxflags = split_oflags(textmode);
2039 int fd;
2040
2041 LOCK_FILES();
2042 fd = msvcrt_alloc_fd(readHandle, wxflags|WX_PIPE);
2043 if (fd != -1)
2044 {
2045 pfds[0] = fd;
2046 fd = msvcrt_alloc_fd(writeHandle, wxflags|WX_PIPE);
2047 if (fd != -1)
2048 {
2049 pfds[1] = fd;
2050 ret = 0;
2051 }
2052 else
2053 {
2054 MSVCRT__close(pfds[0]);
2055 CloseHandle(writeHandle);
2056 *MSVCRT__errno() = MSVCRT_EMFILE;
2057 }
2058 }
2059 else
2060 {
2061 CloseHandle(readHandle);
2062 CloseHandle(writeHandle);
2063 *MSVCRT__errno() = MSVCRT_EMFILE;
2064 }
2065 UNLOCK_FILES();
2066 }
2067 else
2068 msvcrt_set_errno(GetLastError());
2069
2070 return ret;
2071 }
2072
2073 static int check_bom(HANDLE h, int oflags, BOOL seek)
2074 {
2075 char bom[sizeof(utf8_bom)];
2076 DWORD r;
2077
2078 oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT);
2079
2080 if (!ReadFile(h, bom, sizeof(utf8_bom), &r, NULL))
2081 return oflags;
2082
2083 if (r==sizeof(utf8_bom) && !memcmp(bom, utf8_bom, sizeof(utf8_bom))) {
2084 oflags |= MSVCRT__O_U8TEXT;
2085 }else if (r>=sizeof(utf16_bom) && !memcmp(bom, utf16_bom, sizeof(utf16_bom))) {
2086 if (seek && r>2)
2087 SetFilePointer(h, 2, NULL, FILE_BEGIN);
2088 oflags |= MSVCRT__O_U16TEXT;
2089 }else if (seek) {
2090 SetFilePointer(h, 0, NULL, FILE_BEGIN);
2091 }
2092
2093 return oflags;
2094 }
2095
2096 /*********************************************************************
2097 * _wsopen_s (MSVCRT.@)
2098 */
2099 int CDECL MSVCRT__wsopen_s( int *fd, const MSVCRT_wchar_t* path, int oflags, int shflags, int pmode )
2100 {
2101 DWORD access = 0, creation = 0, attrib;
2102 SECURITY_ATTRIBUTES sa;
2103 DWORD sharing, type;
2104 int wxflag;
2105 HANDLE hand;
2106
2107 TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
2108 fd, debugstr_w(path), oflags, shflags, pmode);
2109
2110 if (!MSVCRT_CHECK_PMT( fd != NULL )) return MSVCRT_EINVAL;
2111
2112 *fd = -1;
2113 wxflag = split_oflags(oflags);
2114 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
2115 {
2116 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
2117 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
2118 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
2119 }
2120
2121 if (oflags & MSVCRT__O_CREAT)
2122 {
2123 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
2124 FIXME(": pmode 0x%04x ignored\n", pmode);
2125
2126 if (oflags & MSVCRT__O_EXCL)
2127 creation = CREATE_NEW;
2128 else if (oflags & MSVCRT__O_TRUNC)
2129 creation = CREATE_ALWAYS;
2130 else
2131 creation = OPEN_ALWAYS;
2132 }
2133 else /* no MSVCRT__O_CREAT */
2134 {
2135 if (oflags & MSVCRT__O_TRUNC)
2136 creation = TRUNCATE_EXISTING;
2137 else
2138 creation = OPEN_EXISTING;
2139 }
2140
2141 switch( shflags )
2142 {
2143 case MSVCRT__SH_DENYRW:
2144 sharing = 0L;
2145 break;
2146 case MSVCRT__SH_DENYWR:
2147 sharing = FILE_SHARE_READ;
2148 break;
2149 case MSVCRT__SH_DENYRD:
2150 sharing = FILE_SHARE_WRITE;
2151 break;
2152 case MSVCRT__SH_DENYNO:
2153 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
2154 break;
2155 default:
2156 ERR( "Unhandled shflags 0x%x\n", shflags );
2157 return MSVCRT_EINVAL;
2158 }
2159
2160 if (!(pmode & ~MSVCRT_umask & MSVCRT__S_IWRITE))
2161 attrib = FILE_ATTRIBUTE_READONLY;
2162 else
2163 attrib = FILE_ATTRIBUTE_NORMAL;
2164
2165 if (oflags & MSVCRT__O_TEMPORARY)
2166 {
2167 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
2168 access |= DELETE;
2169 sharing |= FILE_SHARE_DELETE;
2170 }
2171
2172 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
2173 sa.lpSecurityDescriptor = NULL;
2174 sa.bInheritHandle = !(oflags & MSVCRT__O_NOINHERIT);
2175
2176 if ((oflags&(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT))
2177 && (creation==OPEN_ALWAYS || creation==OPEN_EXISTING)
2178 && !(access&GENERIC_READ))
2179 {
2180 hand = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
2181 &sa, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
2182 if (hand != INVALID_HANDLE_VALUE)
2183 {
2184 oflags = check_bom(hand, oflags, FALSE);
2185 CloseHandle(hand);
2186 }
2187 else
2188 oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT);
2189 }
2190
2191 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
2192 if (hand == INVALID_HANDLE_VALUE) {
2193 WARN(":failed-last error (%d)\n",GetLastError());
2194 msvcrt_set_errno(GetLastError());
2195 return *MSVCRT__errno();
2196 }
2197
2198 if (oflags & (MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT))
2199 {
2200 if ((access & GENERIC_WRITE) && (creation==CREATE_NEW
2201 || creation==CREATE_ALWAYS || creation==TRUNCATE_EXISTING
2202 || (creation==OPEN_ALWAYS && GetLastError()==ERROR_ALREADY_EXISTS)))
2203 {
2204 if (oflags & MSVCRT__O_U8TEXT)
2205 {
2206 DWORD written = 0, tmp;
2207
2208 while(written!=sizeof(utf8_bom) && WriteFile(hand, (char*)utf8_bom+written,
2209 sizeof(utf8_bom)-written, &tmp, NULL))
2210 written += tmp;
2211 if (written != sizeof(utf8_bom)) {
2212 WARN("error writing BOM\n");
2213 CloseHandle(hand);
2214 msvcrt_set_errno(GetLastError());
2215 return *MSVCRT__errno();
2216 }
2217 }
2218 else
2219 {
2220 DWORD written = 0, tmp;
2221
2222 while(written!=sizeof(utf16_bom) && WriteFile(hand, (char*)utf16_bom+written,
2223 sizeof(utf16_bom)-written, &tmp, NULL))
2224 written += tmp;
2225 if (written != sizeof(utf16_bom))
2226 {
2227 WARN("error writing BOM\n");
2228 CloseHandle(hand);
2229 msvcrt_set_errno(GetLastError());
2230 return *MSVCRT__errno();
2231 }
2232 }
2233 }
2234 else if (access & GENERIC_READ)
2235 oflags = check_bom(hand, oflags, TRUE);
2236 }
2237
2238 type = GetFileType(hand);
2239 if (type == FILE_TYPE_CHAR)
2240 wxflag |= WX_TTY;
2241 else if (type == FILE_TYPE_PIPE)
2242 wxflag |= WX_PIPE;
2243
2244 *fd = msvcrt_alloc_fd(hand, wxflag);
2245 if (*fd == -1)
2246 return *MSVCRT__errno();
2247
2248 if (oflags & MSVCRT__O_WTEXT)
2249 get_ioinfo_nolock(*fd)->exflag |= EF_UTF16|EF_UNK_UNICODE;
2250 else if (oflags & MSVCRT__O_U16TEXT)
2251 get_ioinfo_nolock(*fd)->exflag |= EF_UTF16;
2252 else if (oflags & MSVCRT__O_U8TEXT)
2253 get_ioinfo_nolock(*fd)->exflag |= EF_UTF8;
2254
2255 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
2256 return 0;
2257 }
2258
2259 /*********************************************************************
2260 * _wsopen (MSVCRT.@)
2261 */
2262 int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t *path, int oflags, int shflags, ... )
2263 {
2264 int pmode;
2265 int fd;
2266
2267 if (oflags & MSVCRT__O_CREAT)
2268 {
2269 __ms_va_list ap;
2270
2271 __ms_va_start(ap, shflags);
2272 pmode = va_arg(ap, int);
2273 __ms_va_end(ap);
2274 }
2275 else
2276 pmode = 0;
2277
2278 MSVCRT__wsopen_s(&fd, path, oflags, shflags, pmode);
2279 return fd;
2280 }
2281
2282 /*********************************************************************
2283 * _sopen_s (MSVCRT.@)
2284 */
2285 int CDECL MSVCRT__sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode )
2286 {
2287 MSVCRT_wchar_t *pathW;
2288 int ret;
2289
2290 if (!MSVCRT_CHECK_PMT(fd != NULL))
2291 return MSVCRT_EINVAL;
2292 *fd = -1;
2293 if(!MSVCRT_CHECK_PMT(path && (pathW = msvcrt_wstrdupa(path))))
2294 return MSVCRT_EINVAL;
2295
2296 ret = MSVCRT__wsopen_s(fd, pathW, oflags, shflags, pmode);
2297 MSVCRT_free(pathW);
2298 return ret;
2299 }
2300
2301 /*********************************************************************
2302 * _sopen (MSVCRT.@)
2303 */
2304 int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
2305 {
2306 int pmode;
2307 int fd;
2308
2309 if (oflags & MSVCRT__O_CREAT)
2310 {
2311 __ms_va_list ap;
2312
2313 __ms_va_start(ap, shflags);
2314 pmode = va_arg(ap, int);
2315 __ms_va_end(ap);
2316 }
2317 else
2318 pmode = 0;
2319
2320 MSVCRT__sopen_s(&fd, path, oflags, shflags, pmode);
2321 return fd;
2322 }
2323
2324 /*********************************************************************
2325 * _open (MSVCRT.@)
2326 */
2327 int CDECL MSVCRT__open( const char *path, int flags, ... )
2328 {
2329 __ms_va_list ap;
2330
2331 if (flags & MSVCRT__O_CREAT)
2332 {
2333 int pmode;
2334 __ms_va_start(ap, flags);
2335 pmode = va_arg(ap, int);
2336 __ms_va_end(ap);
2337 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
2338 }
2339 else
2340 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
2341 }
2342
2343 /*********************************************************************
2344 * _wopen (MSVCRT.@)
2345 */
2346 int CDECL MSVCRT__wopen(const MSVCRT_wchar_t *path,int flags,...)
2347 {
2348 __ms_va_list ap;
2349
2350 if (flags & MSVCRT__O_CREAT)
2351 {
2352 int pmode;
2353 __ms_va_start(ap, flags);
2354 pmode = va_arg(ap, int);
2355 __ms_va_end(ap);
2356 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode );
2357 }
2358 else
2359 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO);
2360 }
2361
2362 /*********************************************************************
2363 * _creat (MSVCRT.@)
2364 */
2365 int CDECL MSVCRT__creat(const char *path, int flags)
2366 {
2367 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
2368 return MSVCRT__open(path, usedFlags);
2369 }
2370
2371 /*********************************************************************
2372 * _wcreat (MSVCRT.@)
2373 */
2374 int CDECL MSVCRT__wcreat(const MSVCRT_wchar_t *path, int flags)
2375 {
2376 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
2377 return MSVCRT__wopen(path, usedFlags);
2378 }
2379
2380 /*********************************************************************
2381 * _open_osfhandle (MSVCRT.@)
2382 */
2383 int CDECL MSVCRT__open_osfhandle(MSVCRT_intptr_t handle, int oflags)
2384 {
2385 DWORD flags;
2386 int fd;
2387
2388 /* MSVCRT__O_RDONLY (0) always matches, so set the read flag
2389 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
2390 * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
2391 * text - it never sets MSVCRT__O_BINARY.
2392 */
2393 /* don't let split_oflags() decide the mode if no mode is passed */
2394 if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)))
2395 oflags |= MSVCRT__O_BINARY;
2396
2397 flags = GetFileType((HANDLE)handle);
2398 if (flags==FILE_TYPE_UNKNOWN && GetLastError()!=NO_ERROR)
2399 {
2400 msvcrt_set_errno(GetLastError());
2401 return -1;
2402 }
2403
2404 if (flags == FILE_TYPE_CHAR)
2405 flags = WX_TTY;
2406 else if (flags == FILE_TYPE_PIPE)
2407 flags = WX_PIPE;
2408 else
2409 flags = 0;
2410 flags |= split_oflags(oflags);
2411
2412 fd = msvcrt_alloc_fd((HANDLE)handle, flags);
2413 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, flags);
2414 return fd;
2415 }
2416
2417 /*********************************************************************
2418 * _rmtmp (MSVCRT.@)
2419 */
2420 int CDECL MSVCRT__rmtmp(void)
2421 {
2422 int num_removed = 0, i;
2423 MSVCRT_FILE *file;
2424
2425 LOCK_FILES();
2426 for (i = 3; i < MSVCRT_stream_idx; i++) {
2427 file = msvcrt_get_file(i);
2428
2429 if (file->_tmpfname)
2430 {
2431 MSVCRT_fclose(file);
2432 num_removed++;
2433 }
2434 }
2435 UNLOCK_FILES();
2436
2437 if (num_removed)
2438 TRACE(":removed (%d) temp files\n",num_removed);
2439 return num_removed;
2440 }
2441
2442 static inline int get_utf8_char_len(char ch)
2443 {
2444 if((ch&0xf8) == 0xf0)
2445 return 4;
2446 else if((ch&0xf0) == 0xe0)
2447 return 3;
2448 else if((ch&0xe0) == 0xc0)
2449 return 2;
2450 return 1;
2451 }
2452
2453 /*********************************************************************
2454 * (internal) read_utf8
2455 */
2456 static int read_utf8(ioinfo *fdinfo, MSVCRT_wchar_t *buf, unsigned int count)
2457 {
2458 HANDLE hand = fdinfo->handle;
2459 char min_buf[4], *readbuf, lookahead;
2460 DWORD readbuf_size, pos=0, num_read=1, char_len, i, j;
2461
2462 /* make the buffer big enough to hold at least one character */
2463 /* read bytes have to fit to output and lookahead buffers */
2464 count /= 2;
2465 readbuf_size = count < 4 ? 4 : count;
2466 if(readbuf_size<=4 || !(readbuf = MSVCRT_malloc(readbuf_size))) {
2467 readbuf_size = 4;
2468 readbuf = min_buf;
2469 }
2470
2471 if(fdinfo->lookahead[0] != '\n') {
2472 readbuf[pos++] = fdinfo->lookahead[0];
2473 fdinfo->lookahead[0] = '\n';
2474
2475 if(fdinfo->lookahead[1] != '\n') {
2476 readbuf[pos++] = fdinfo->lookahead[1];
2477 fdinfo->lookahead[1] = '\n';
2478
2479 if(fdinfo->lookahead[2] != '\n') {
2480 readbuf[pos++] = fdinfo->lookahead[2];
2481 fdinfo->lookahead[2] = '\n';
2482 }
2483 }
2484 }
2485
2486 /* NOTE: this case is broken in native dll, reading
2487 * sometimes fails when small buffer is passed
2488 */
2489 if(count < 4) {
2490 if(!pos && !ReadFile(hand, readbuf, 1, &num_read, NULL)) {
2491 if (GetLastError() == ERROR_BROKEN_PIPE) {
2492 fdinfo->wxflag |= WX_ATEOF;
2493 return 0;
2494 }else {
2495 msvcrt_set_errno(GetLastError());
2496 return -1;
2497 }
2498 }else if(!num_read) {
2499 fdinfo->wxflag |= WX_ATEOF;
2500 return 0;
2501 }else {
2502 pos++;
2503 }
2504
2505 char_len = get_utf8_char_len(readbuf[0]);
2506 if(char_len>pos) {
2507 if(ReadFile(hand, readbuf+pos, char_len-pos, &num_read, NULL))
2508 pos += num_read;
2509 }
2510
2511 if(readbuf[0] == '\n')
2512 fdinfo->wxflag |= WX_READNL;
2513 else
2514 fdinfo->wxflag &= ~WX_READNL;
2515
2516 if(readbuf[0] == 0x1a) {
2517 fdinfo->wxflag |= WX_ATEOF;
2518 return 0;
2519 }
2520
2521 if(readbuf[0] == '\r') {
2522 if(!ReadFile(hand, &lookahead, 1, &num_read, NULL) || num_read!=1)
2523 buf[0] = '\r';
2524 else if(lookahead == '\n')
2525 buf[0] = '\n';
2526 else {
2527 buf[0] = '\r';
2528 if(fdinfo->wxflag & (WX_PIPE | WX_TTY))
2529 fdinfo->lookahead[0] = lookahead;
2530 else
2531 SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
2532 }
2533 return 2;
2534 }
2535
2536 if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
2537 msvcrt_set_errno(GetLastError());
2538 return -1;
2539 }
2540
2541 return num_read*2;
2542 }
2543
2544 if(!ReadFile(hand, readbuf+pos, readbuf_size-pos, &num_read, NULL)) {
2545 if(pos) {
2546 num_read = 0;
2547 }else if(GetLastError() == ERROR_BROKEN_PIPE) {
2548 fdinfo->wxflag |= WX_ATEOF;
2549 if (readbuf != min_buf) MSVCRT_free(readbuf);
2550 return 0;
2551 }else {
2552 msvcrt_set_errno(GetLastError());
2553 if (readbuf != min_buf) MSVCRT_free(readbuf);
2554 return -1;
2555 }
2556 }else if(!pos && !num_read) {
2557 fdinfo->wxflag |= WX_ATEOF;
2558 if (readbuf != min_buf) MSVCRT_free(readbuf);
2559 return 0;
2560 }
2561
2562 pos += num_read;
2563 if(readbuf[0] == '\n')
2564 fdinfo->wxflag |= WX_READNL;
2565 else
2566 fdinfo->wxflag &= ~WX_READNL;
2567
2568 /* Find first byte of last character (may be incomplete) */
2569 for(i=pos-1; i>0 && i>pos-4; i--)
2570 if((readbuf[i]&0xc0) != 0x80)
2571 break;
2572 char_len = get_utf8_char_len(readbuf[i]);
2573 if(char_len+i <= pos)
2574 i += char_len;
2575
2576 if(fdinfo->wxflag & (WX_PIPE | WX_TTY)) {
2577 if(i < pos)
2578 fdinfo->lookahead[0] = readbuf[i];
2579 if(i+1 < pos)
2580 fdinfo->lookahead[1] = readbuf[i+1];
2581 if(i+2 < pos)
2582 fdinfo->lookahead[2] = readbuf[i+2];
2583 }else if(i < pos) {
2584 SetFilePointer(fdinfo->handle, i-pos, NULL, FILE_CURRENT);
2585 }
2586 pos = i;
2587
2588 for(i=0, j=0; i<pos; i++) {
2589 if(readbuf[i] == 0x1a) {
2590 fdinfo->wxflag |= WX_ATEOF;
2591 break;
2592 }
2593
2594 /* strip '\r' if followed by '\n' */
2595 if(readbuf[i] == '\r' && i+1==pos) {
2596 if(fdinfo->lookahead[0] != '\n' || !ReadFile(hand, &lookahead, 1, &num_read, NULL) || !num_read) {
2597 readbuf[j++] = '\r';
2598 }else if(lookahead == '\n' && j==0) {
2599 readbuf[j++] = '\n';
2600 }else {
2601 if(lookahead != '\n')
2602 readbuf[j++] = '\r';
2603
2604 if(fdinfo->wxflag & (WX_PIPE | WX_TTY))
2605 fdinfo->lookahead[0] = lookahead;
2606 else
2607 SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
2608 }
2609 }else if(readbuf[i]!='\r' || readbuf[i+1]!='\n') {
2610 readbuf[j++] = readbuf[i];
2611 }
2612 }
2613 pos = j;
2614
2615 if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
2616 msvcrt_set_errno(GetLastError());
2617 if (readbuf != min_buf) MSVCRT_free(readbuf);
2618 return -1;
2619 }
2620
2621 if (readbuf != min_buf) MSVCRT_free(readbuf);
2622 return num_read*2;
2623 }
2624
2625 /*********************************************************************
2626 * (internal) read_i
2627 *
2628 * When reading \r as last character in text mode, read() positions
2629 * the file pointer on the \r character while getc() goes on to
2630 * the following \n
2631 */
2632 static int read_i(int fd, ioinfo *fdinfo, void *buf, unsigned int count)
2633 {
2634 DWORD num_read, utf16;
2635 char *bufstart = buf;
2636
2637 if (count == 0)
2638 return 0;
2639
2640 if (fdinfo->wxflag & WX_ATEOF) {
2641 TRACE("already at EOF, returning 0\n");
2642 return 0;
2643 }
2644 /* Don't trace small reads, it gets *very* annoying */
2645 if (count > 4)
2646 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n", fd, fdinfo->handle, buf, count);
2647 if (fdinfo->handle == INVALID_HANDLE_VALUE)
2648 {
2649 *MSVCRT__errno() = MSVCRT_EBADF;
2650 return -1;
2651 }
2652
2653 utf16 = (fdinfo->exflag & EF_UTF16) != 0;
2654 if (((fdinfo->exflag&EF_UTF8) || utf16) && count&1)
2655 {
2656 *MSVCRT__errno() = MSVCRT_EINVAL;
2657 return -1;
2658 }
2659
2660 if((fdinfo->wxflag&WX_TEXT) && (fdinfo->exflag&EF_UTF8))
2661 return read_utf8(fdinfo, buf, count);
2662
2663 if (fdinfo->lookahead[0]!='\n' || ReadFile(fdinfo->handle, bufstart, count, &num_read, NULL))
2664 {
2665 if (fdinfo->lookahead[0] != '\n')
2666 {
2667 bufstart[0] = fdinfo->lookahead[0];
2668 fdinfo->lookahead[0] = '\n';
2669
2670 if (utf16)
2671 {
2672 bufstart[1] = fdinfo->lookahead[1];
2673 fdinfo->lookahead[1] = '\n';
2674 }
2675
2676 if(count>1+utf16 && ReadFile(fdinfo->handle, bufstart+1+utf16, count-1-utf16, &num_read, NULL))
2677 num_read += 1+utf16;
2678 else
2679 num_read = 1+utf16;
2680 }
2681
2682 if(utf16 && (num_read&1))
2683 {
2684 /* msvcr90 uses uninitialized value from the buffer in this case */
2685 /* msvcrt ignores additional data */
2686 ERR("got odd number of bytes in UTF16 mode\n");
2687 num_read--;
2688 }
2689
2690 if (count != 0 && num_read == 0)
2691 {
2692 fdinfo->wxflag |= WX_ATEOF;
2693 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
2694 }
2695 else if (fdinfo->wxflag & WX_TEXT)
2696 {
2697 DWORD i, j;
2698
2699 if (bufstart[0]=='\n' && (!utf16 || bufstart[1]==0))
2700 fdinfo->wxflag |= WX_READNL;
2701 else
2702 fdinfo->wxflag &= ~WX_READNL;
2703
2704 for (i=0, j=0; i<num_read; i+=1+utf16)
2705 {
2706 /* in text mode, a ctrl-z signals EOF */
2707 if (bufstart[i]==0x1a && (!utf16 || bufstart[i+1]==0))
2708 {
2709 fdinfo->wxflag |= WX_ATEOF;
2710 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
2711 break;
2712 }
2713
2714 /* in text mode, strip \r if followed by \n */
2715 if (bufstart[i]=='\r' && (!utf16 || bufstart[i+1]==0) && i+1+utf16==num_read)
2716 {
2717 char lookahead[2];
2718 DWORD len;
2719
2720 lookahead[1] = '\n';
2721 if (ReadFile(fdinfo->handle, lookahead, 1+utf16, &len, NULL) && len)
2722 {
2723 if(lookahead[0]=='\n' && (!utf16 || lookahead[1]==0) && j==0)
2724 {
2725 bufstart[j++] = '\n';
2726 if(utf16) bufstart[j++] = 0;
2727 }
2728 else
2729 {
2730 if(lookahead[0]!='\n' || (utf16 && lookahead[1]!=0))
2731 {
2732 bufstart[j++] = '\r';
2733 if(utf16) bufstart[j++] = 0;
2734 }
2735
2736 if (fdinfo->wxflag & (WX_PIPE | WX_TTY))
2737 {
2738 if (lookahead[0]=='\n' && (!utf16 || !lookahead[1]))
2739 {
2740 bufstart[j++] = '\n';
2741 if (utf16) bufstart[j++] = 0;
2742 }
2743 else
2744 {
2745 fdinfo->lookahead[0] = lookahead[0];
2746 fdinfo->lookahead[1] = lookahead[1];
2747 }
2748 }
2749 else
2750 SetFilePointer(fdinfo->handle, -1-utf16, NULL, FILE_CURRENT);
2751 }
2752 }
2753 else
2754 {
2755 bufstart[j++] = '\r';
2756 if(utf16) bufstart[j++] = 0;
2757 }
2758 }
2759 else if((bufstart[i]!='\r' || (utf16 && bufstart[i+1]!=0))
2760 || (bufstart[i+1+utf16]!='\n' || (utf16 && bufstart[i+3]!=0)))
2761 {
2762 bufstart[j++] = bufstart[i];
2763 if(utf16) bufstart[j++] = bufstart[i+1];
2764 }
2765 }
2766 num_read = j;
2767 }
2768 }
2769 else
2770 {
2771 if (GetLastError() == ERROR_BROKEN_PIPE)
2772 {
2773 TRACE(":end-of-pipe\n");
2774 fdinfo->wxflag |= WX_ATEOF;
2775 return 0;
2776 }
2777 else
2778 {
2779 TRACE(":failed-last error (%d)\n",GetLastError());
2780 return -1;
2781 }
2782 }
2783
2784 if (count > 4)
2785 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
2786 return num_read;
2787 }
2788
2789 /*********************************************************************
2790 * _read (MSVCRT.@)
2791 */
2792 int CDECL MSVCRT__read(int fd, void *buf, unsigned int count)
2793 {
2794 ioinfo *info = get_ioinfo(fd);
2795 int num_read = read_i(fd, info, buf, count);
2796 release_ioinfo(info);
2797 return num_read;
2798 }
2799
2800 /*********************************************************************
2801 * _setmode (MSVCRT.@)
2802 */
2803 int CDECL MSVCRT__setmode(int fd,int mode)
2804 {
2805 int ret = get_ioinfo_nolock(fd)->wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
2806 if(ret==MSVCRT__O_TEXT && (get_ioinfo_nolock(fd)->exflag & (EF_UTF8|EF_UTF16)))
2807 ret = MSVCRT__O_WTEXT;
2808
2809 if(mode!=MSVCRT__O_TEXT && mode!=MSVCRT__O_BINARY && mode!=MSVCRT__O_WTEXT
2810 && mode!=MSVCRT__O_U16TEXT && mode!=MSVCRT__O_U8TEXT) {
2811 *MSVCRT__errno() = MSVCRT_EINVAL;
2812 return -1;
2813 }
2814
2815 if(mode == MSVCRT__O_BINARY) {
2816 get_ioinfo_nolock(fd)->wxflag &= ~WX_TEXT;
2817 get_ioinfo_nolock(fd)->exflag &= ~(EF_UTF8|EF_UTF16);
2818 return ret;
2819 }
2820
2821 get_ioinfo_nolock(fd)->wxflag |= WX_TEXT;
2822 if(mode == MSVCRT__O_TEXT)
2823 get_ioinfo_nolock(fd)->exflag &= ~(EF_UTF8|EF_UTF16);
2824 else if(mode == MSVCRT__O_U8TEXT)
2825 get_ioinfo_nolock(fd)->exflag = (get_ioinfo_nolock(fd)->exflag & ~EF_UTF16) | EF_UTF8;
2826 else
2827 get_ioinfo_nolock(fd)->exflag = (get_ioinfo_nolock(fd)->exflag & ~EF_UTF8) | EF_UTF16;
2828
2829 return ret;
2830 }
2831
2832 /*********************************************************************
2833 * _stat64 (MSVCRT.@)
2834 */
2835 int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
2836 {
2837 DWORD dw;
2838 WIN32_FILE_ATTRIBUTE_DATA hfi;
2839 unsigned short mode = ALL_S_IREAD;
2840 int plen;
2841
2842 TRACE(":file (%s) buf(%p)\n",path,buf);
2843
2844 plen = strlen(path);
2845 while (plen && path[plen-1]==' ')
2846 plen--;
2847
2848 if (plen && (plen<2 || path[plen-2]!=':') &&
2849 (path[plen-1]==':' || path[plen-1]=='\\' || path[plen-1]=='/'))
2850 {
2851 *MSVCRT__errno() = MSVCRT_ENOENT;
2852 return -1;
2853 }
2854
2855 if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
2856 {
2857 TRACE("failed (%d)\n",GetLastError());
2858 *MSVCRT__errno() = MSVCRT_ENOENT;
2859 return -1;
2860 }
2861
2862 memset(buf,0,sizeof(struct MSVCRT__stat64));
2863
2864 /* FIXME: rdev isn't drive num, despite what the docs say-what is it?
2865 Bon 011120: This FIXME seems incorrect
2866 Also a letter as first char isn't enough to be classified
2867 as a drive letter
2868 */
2869 if (isalpha(*path)&& (*(path+1)==':'))
2870 buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
2871 else
2872 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2873
2874 /* Dir, or regular file? */
2875 if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
2876 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2877 else
2878 {
2879 mode |= MSVCRT__S_IFREG;
2880 /* executable? */
2881 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2882 {
2883 unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
2884 (tolower(path[plen-3]) << 16);
2885 if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
2886 mode |= ALL_S_IEXEC;
2887 }
2888 }
2889
2890 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2891 mode |= ALL_S_IWRITE;
2892
2893 buf->st_mode = mode;
2894 buf->st_nlink = 1;
2895 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2896 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2897 buf->st_atime = dw;
2898 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2899 buf->st_mtime = buf->st_ctime = dw;
2900 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2901 (int)(buf->st_size >> 32),(int)buf->st_size,
2902 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2903 return 0;
2904 }
2905
2906 /*********************************************************************
2907 * _stati64 (MSVCRT.@)
2908 */
2909 int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf)
2910 {
2911 int ret;
2912 struct MSVCRT__stat64 buf64;
2913
2914 ret = MSVCRT_stat64(path, &buf64);
2915 if (!ret)
2916 msvcrt_stat64_to_stati64(&buf64, buf);
2917 return ret;
2918 }
2919
2920 /*********************************************************************
2921 * _stat (MSVCRT.@)
2922 */
2923 int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf)
2924 {
2925 int ret;
2926 struct MSVCRT__stat64 buf64;
2927
2928 ret = MSVCRT_stat64( path, &buf64);
2929 if (!ret)
2930 msvcrt_stat64_to_stat(&buf64, buf);
2931 return ret;
2932 }
2933
2934 /*********************************************************************
2935 * _stat32 (MSVCR100.@)
2936 */
2937 int CDECL MSVCRT__stat32(const char *path, struct MSVCRT__stat32 *buf)
2938 {
2939 int ret;
2940 struct MSVCRT__stat64 buf64;
2941
2942 ret = MSVCRT_stat64(path, &buf64);
2943 if (!ret)
2944 msvcrt_stat64_to_stat32(&buf64, buf);
2945 return ret;
2946 }
2947
2948 /*********************************************************************
2949 * _stat32i64 (MSVCR100.@)
2950 */
2951 int CDECL MSVCRT__stat32i64(const char *path, struct MSVCRT__stat32i64 *buf)
2952 {
2953 int ret;
2954 struct MSVCRT__stat64 buf64;
2955
2956 ret = MSVCRT_stat64(path, &buf64);
2957 if (!ret)
2958 msvcrt_stat64_to_stat32i64(&buf64, buf);
2959 return ret;
2960 }
2961
2962 /*********************************************************************
2963 * _stat64i32 (MSVCR100.@)
2964 */
2965 int CDECL MSVCRT__stat64i32(const char* path, struct MSVCRT__stat64i32 *buf)
2966 {
2967 int ret;
2968 struct MSVCRT__stat64 buf64;
2969
2970 ret = MSVCRT_stat64(path, &buf64);
2971 if (!ret)
2972 msvcrt_stat64_to_stat64i32(&buf64, buf);
2973 return ret;
2974 }
2975
2976 /*********************************************************************
2977 * _wstat64 (MSVCRT.@)
2978 */
2979 int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf)
2980 {
2981 DWORD dw;
2982 WIN32_FILE_ATTRIBUTE_DATA hfi;
2983 unsigned short mode = ALL_S_IREAD;
2984 int plen;
2985
2986 TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
2987
2988 plen = strlenW(path);
2989 while (plen && path[plen-1]==' ')
2990 plen--;
2991
2992 if(plen && (plen<2 || path[plen-2]!=':') &&
2993 (path[plen-1]==':' || path[plen-1]=='\\' || path[plen-1]=='/'))
2994 {
2995 *MSVCRT__errno() = MSVCRT_ENOENT;
2996 return -1;
2997 }
2998
2999 if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
3000 {
3001 TRACE("failed (%d)\n",GetLastError());
3002 *MSVCRT__errno() = MSVCRT_ENOENT;
3003 return -1;
3004 }
3005
3006 memset(buf,0,sizeof(struct MSVCRT__stat64));
3007
3008 /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
3009 if (MSVCRT_iswalpha(*path))
3010 buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
3011 else
3012 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
3013
3014 /* Dir, or regular file? */
3015 if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
3016 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
3017 else
3018 {
3019 mode |= MSVCRT__S_IFREG;
3020 /* executable? */
3021 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
3022 {
3023 ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
3024 ((ULONGLONG)tolowerW(path[plen-3]) << 32);
3025 if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
3026 mode |= ALL_S_IEXEC;
3027 }
3028 }
3029
3030 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
3031 mode |= ALL_S_IWRITE;
3032
3033 buf->st_mode = mode;
3034 buf->st_nlink = 1;
3035 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
3036 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
3037 buf->st_atime = dw;
3038 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
3039 buf->st_mtime = buf->st_ctime = dw;
3040 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
3041 (int)(buf->st_size >> 32),(int)buf->st_size,
3042 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
3043 return 0;
3044 }
3045
3046 /*********************************************************************
3047 * _wstati64 (MSVCRT.@)
3048 */
3049 int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
3050 {
3051 int ret;
3052 struct MSVCRT__stat64 buf64;
3053
3054 ret = MSVCRT__wstat64(path, &buf64);
3055 if (!ret)
3056 msvcrt_stat64_to_stati64(&buf64, buf);
3057 return ret;
3058 }
3059
3060 /*********************************************************************
3061 * _wstat (MSVCRT.@)
3062 */
3063 int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
3064 {
3065 int ret;
3066 struct MSVCRT__stat64 buf64;
3067
3068 ret = MSVCRT__wstat64( path, &buf64 );
3069 if (!ret) msvcrt_stat64_to_stat(&buf64, buf);
3070 return ret;
3071 }
3072
3073 /*********************************************************************
3074 * _wstat32 (MSVCR100.@)
3075 */
3076 int CDECL MSVCRT__wstat32(const MSVCRT_wchar_t *path, struct MSVCRT__stat32 *buf)
3077 {
3078 int ret;
3079 struct MSVCRT__stat64 buf64;
3080
3081 ret = MSVCRT__wstat64(path, &buf64);
3082 if (!ret)
3083 msvcrt_stat64_to_stat32(&buf64, buf);
3084 return ret;
3085 }
3086
3087 /*********************************************************************
3088 * _wstat32i64 (MSVCR100.@)
3089 */
3090 int CDECL MSVCRT__wstat32i64(const MSVCRT_wchar_t *path, struct MSVCRT__stat32i64 *buf)
3091 {
3092 int ret;
3093 struct MSVCRT__stat64 buf64;
3094
3095 ret = MSVCRT__wstat64(path, &buf64);
3096 if (!ret)
3097 msvcrt_stat64_to_stat32i64(&buf64, buf);
3098 return ret;
3099 }
3100
3101 /*********************************************************************
3102 * _wstat64i32 (MSVCR100.@)
3103 */
3104 int CDECL MSVCRT__wstat64i32(const MSVCRT_wchar_t *path, struct MSVCRT__stat64i32 *buf)
3105 {
3106 int ret;
3107 struct MSVCRT__stat64 buf64;
3108
3109 ret = MSVCRT__wstat64(path, &buf64);
3110 if (!ret)
3111 msvcrt_stat64_to_stat64i32(&buf64, buf);
3112 return ret;
3113 }
3114
3115 /*********************************************************************
3116 * _tell (MSVCRT.@)
3117 */
3118 MSVCRT_long CDECL MSVCRT__tell(int fd)
3119 {
3120 return MSVCRT__lseek(fd, 0, SEEK_CUR);
3121 }
3122
3123 /*********************************************************************
3124 * _telli64 (MSVCRT.@)
3125 */
3126 __int64 CDECL _telli64(int fd)
3127 {
3128 return MSVCRT__lseeki64(fd, 0, SEEK_CUR);
3129 }
3130
3131 /*********************************************************************
3132 * _tempnam (MSVCRT.@)
3133 */
3134 char * CDECL MSVCRT__tempnam(const char *dir, const char *prefix)
3135 {
3136 char tmpbuf[MAX_PATH];
3137 const char *tmp_dir = MSVCRT_getenv("TMP");
3138
3139 if (tmp_dir) dir = tmp_dir;
3140
3141 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
3142 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
3143 {
3144 TRACE("got name (%s)\n",tmpbuf);
3145 DeleteFileA(tmpbuf);
3146 return MSVCRT__strdup(tmpbuf);
3147 }
3148 TRACE("failed (%d)\n",GetLastError());
3149 return NULL;
3150 }
3151
3152 /*********************************************************************
3153 * _wtempnam (MSVCRT.@)
3154 */
3155 MSVCRT_wchar_t * CDECL MSVCRT__wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
3156 {
3157 static const MSVCRT_wchar_t tmpW[] = {'T','M','P',0};
3158 MSVCRT_wchar_t tmpbuf[MAX_PATH];
3159 const MSVCRT_wchar_t *tmp_dir = MSVCRT__wgetenv(tmpW);
3160
3161 if (tmp_dir) dir = tmp_dir;
3162
3163 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
3164 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
3165 {
3166 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
3167 DeleteFileW(tmpbuf);
3168 return MSVCRT__wcsdup(tmpbuf);
3169 }
3170 TRACE("failed (%d)\n",GetLastError());
3171 return NULL;
3172 }
3173
3174 /*********************************************************************
3175 * _umask (MSVCRT.@)
3176 */
3177 int CDECL MSVCRT__umask(int umask)
3178 {
3179 int old_umask = MSVCRT_umask;
3180 TRACE("(%d)\n",umask);
3181 MSVCRT_umask = umask;
3182 return old_umask;
3183 }
3184
3185 /*********************************************************************
3186 * _utime64 (MSVCRT.@)
3187 */
3188 int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t)
3189 {
3190 int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
3191
3192 if (fd > 0)
3193 {
3194 int retVal = _futime64(fd, t);
3195 MSVCRT__close(fd);
3196 return retVal;
3197 }
3198 return -1;
3199 }
3200
3201 /*********************************************************************
3202 * _utime32 (MSVCRT.@)
3203 */
3204 int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t)
3205 {
3206 if (t)
3207 {
3208 struct MSVCRT___utimbuf64 t64;
3209 t64.actime = t->actime;
3210 t64.modtime = t->modtime;
3211 return _utime64( path, &t64 );
3212 }
3213 else
3214 return _utime64( path, NULL );
3215 }
3216
3217 /*********************************************************************
3218 * _utime (MSVCRT.@)
3219 */
3220 #ifdef _WIN64
3221 int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t)
3222 {
3223 return _utime64( path, t );
3224 }
3225 #else
3226 int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t)
3227 {
3228 return _utime32( path, t );
3229 }
3230 #endif
3231
3232 /*********************************************************************
3233 * _wutime64 (MSVCRT.@)
3234 */
3235 int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
3236 {
3237 int fd = MSVCRT__wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
3238
3239 if (fd > 0)
3240 {
3241 int retVal = _futime64(fd, t);
3242 MSVCRT__close(fd);
3243 return retVal;
3244 }
3245 return -1;
3246 }
3247
3248 /*********************************************************************
3249 * _wutime32 (MSVCRT.@)
3250 */
3251 int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
3252 {
3253 if (t)
3254 {
3255 struct MSVCRT___utimbuf64 t64;
3256 t64.actime = t->actime;
3257 t64.modtime = t->modtime;
3258 return _wutime64( path, &t64 );
3259 }
3260 else
3261 return _wutime64( path, NULL );
3262 }
3263
3264 /*********************************************************************
3265 * _wutime (MSVCRT.@)
3266 */
3267 #ifdef _WIN64
3268 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
3269 {
3270 return _wutime64( path, t );
3271 }
3272 #else
3273 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
3274 {
3275 return _wutime32( path, t );
3276 }
3277 #endif
3278
3279 /*********************************************************************
3280 * _write (MSVCRT.@)
3281 */
3282 int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
3283 {
3284 DWORD num_written;
3285 ioinfo *info = get_ioinfo_nolock(fd);
3286 HANDLE hand = info->handle;
3287
3288 /* Don't trace small writes, it gets *very* annoying */
3289 #if 0
3290 if (count > 32)
3291 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
3292 #endif
3293 if (hand == INVALID_HANDLE_VALUE)
3294 {
3295 *MSVCRT__errno() = MSVCRT_EBADF;
3296 return -1;
3297 }
3298
3299 if (((info->exflag&EF_UTF8) || (info->exflag&EF_UTF16)) && count&1)
3300 {
3301 *MSVCRT__errno() = MSVCRT_EINVAL;
3302 return -1;
3303 }
3304
3305 /* If appending, go to EOF */
3306 if (info->wxflag & WX_APPEND)
3307 MSVCRT__lseek(fd, 0, FILE_END);
3308
3309 if (!(info->wxflag & WX_TEXT))
3310 {
3311 if (WriteFile(hand, buf, count, &num_written, NULL)
3312 && (num_written == count))
3313 return num_written;
3314 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
3315 hand, GetLastError());
3316 *MSVCRT__errno() = MSVCRT_ENOSPC;
3317 }
3318 else
3319 {
3320 unsigned int i, j, nr_lf, size;
3321 char *p = NULL;
3322 const char *q;
3323 const char *s = buf, *buf_start = buf;
3324
3325 if (!(info->exflag & (EF_UTF8|EF_UTF16)))
3326 {
3327 /* find number of \n */
3328 for (nr_lf=0, i=0; i<count; i++)
3329 if (s[i] == '\n')
3330 nr_lf++;
3331 if (nr_lf)
3332 {
3333 size = count+nr_lf;
3334 if ((q = p = MSVCRT_malloc(size)))
3335 {
3336 for (s = buf, i = 0, j = 0; i < count; i++)
3337 {
3338 if (s[i] == '\n')
3339 p[j++] = '\r';
3340 p[j++] = s[i];
3341 }
3342 }
3343 else
3344 {
3345 FIXME("Malloc failed\n");
3346 nr_lf = 0;
3347 size = count;
3348 q = buf;
3349 }
3350 }
3351 else
3352 {
3353 size = count;
3354 q = buf;
3355 }
3356 }
3357 else if (info->exflag & EF_UTF16)
3358 {
3359 for (nr_lf=0, i=0; i<count; i+=2)
3360 if (s[i]=='\n' && s[i+1]==0)
3361 nr_lf += 2;
3362 if (nr_lf)
3363 {
3364 size = count+nr_lf;
3365 if ((q = p = MSVCRT_malloc(size)))
3366 {
3367 for (s=buf, i=0, j=0; i<count; i++)
3368 {
3369 if (s[i]=='\n' && s[i+1]==0)
3370 {
3371 p[j++] = '\r';
3372 p[j++] = 0;
3373 }
3374 p[j++] = s[i++];
3375 p[j++] = s[i];
3376 }
3377 }
3378 else
3379 {
3380 FIXME("Malloc failed\n");
3381 nr_lf = 0;
3382 size = count;
3383 q = buf;
3384 }
3385 }
3386 else
3387 {
3388 size = count;
3389 q = buf;
3390 }
3391 }
3392 else
3393 {
3394 DWORD conv_len;
3395
3396 for(nr_lf=0, i=0; i<count; i+=2)
3397 if (s[i]=='\n' && s[i+1]==0)
3398 nr_lf++;
3399
3400 conv_len = WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)buf, count/2, NULL, 0, NULL, NULL);
3401 if(!conv_len) {
3402 msvcrt_set_errno(GetLastError());
3403 MSVCRT_free(p);
3404 return -1;
3405 }
3406
3407 size = conv_len+nr_lf;
3408 if((p = MSVCRT_malloc(count+nr_lf*2+size)))
3409 {
3410 for (s=buf, i=0, j=0; i<count; i++)
3411 {
3412 if (s[i]=='\n' && s[i+1]==0)
3413 {
3414 p[j++] = '\r';
3415 p[j++] = 0;
3416 }
3417 p[j++] = s[i++];
3418 p[j++] = s[i];
3419 }
3420 q = p+count+nr_lf*2;
3421 WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)p, count/2+nr_lf,
3422 p+count+nr_lf*2, conv_len+nr_lf, NULL, NULL);
3423 }
3424 else
3425 {
3426 FIXME("Malloc failed\n");
3427 nr_lf = 0;
3428 size = count;
3429 q = buf;
3430 }
3431 }
3432
3433 if (!WriteFile(hand, q, size, &num_written, NULL))
3434 num_written = -1;
3435 if(p)
3436 MSVCRT_free(p);
3437 if (num_written != size)
3438 {
3439 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
3440 fd, hand, GetLastError(), num_written);
3441 *MSVCRT__errno() = MSVCRT_ENOSPC;
3442 return s - buf_start;
3443 }
3444 return count;
3445 }
3446
3447 return -1;
3448 }
3449
3450 /*********************************************************************
3451 * _putw (MSVCRT.@)
3452 */
3453 int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
3454 {
3455 int len;
3456
3457 MSVCRT__lock_file(file);
3458 len = MSVCRT__write(file->_file, &val, sizeof(val));
3459 if (len == sizeof(val)) {
3460 MSVCRT__unlock_file(file);
3461 return val;
3462 }
3463
3464 file->_flag |= MSVCRT__IOERR;
3465 MSVCRT__unlock_file(file);
3466 return MSVCRT_EOF;
3467 }
3468
3469 /*********************************************************************
3470 * fclose (MSVCRT.@)
3471 */
3472 int CDECL MSVCRT_fclose(MSVCRT_FILE* file)
3473 {
3474 int ret;
3475
3476 MSVCRT__lock_file(file);
3477 ret = MSVCRT__fclose_nolock(file);
3478 MSVCRT__unlock_file(file);
3479
3480 return ret;
3481 }
3482
3483 /*********************************************************************
3484 * _fclose_nolock (MSVCRT.@)
3485 */
3486 int CDECL MSVCRT__fclose_nolock(MSVCRT_FILE* file)
3487 {
3488 int r, flag;
3489
3490 flag = file->_flag;
3491 MSVCRT_free(file->_tmpfname);
3492 file->_tmpfname = NULL;
3493 /* flush stdio buffers */
3494 if(file->_flag & MSVCRT__IOWRT)
3495 MSVCRT__fflush_nolock(file);
3496 if(file->_flag & MSVCRT__IOMYBUF)
3497 MSVCRT_free(file->_base);
3498
3499 r=MSVCRT__close(file->_file);
3500 file->_flag = 0;
3501
3502 return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
3503 }
3504
3505 /*********************************************************************
3506 * feof (MSVCRT.@)
3507 */
3508 int CDECL MSVCRT_feof(MSVCRT_FILE* file)
3509 {
3510 return file->_flag & MSVCRT__IOEOF;
3511 }
3512
3513 /*********************************************************************
3514 * ferror (MSVCRT.@)
3515 */
3516 int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
3517 {
3518 return file->_flag & MSVCRT__IOERR;
3519 }
3520
3521 /*********************************************************************
3522 * _filbuf (MSVCRT.@)
3523 */
3524 int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
3525 {
3526 unsigned char c;
3527
3528 if(file->_flag & MSVCRT__IOSTRG)
3529 return MSVCRT_EOF;
3530
3531 /* Allocate buffer if needed */
3532 if(!(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF)))
3533 msvcrt_alloc_buffer(file);
3534
3535 if(!(file->_flag & MSVCRT__IOREAD)) {
3536 if(file->_flag & MSVCRT__IORW)
3537 file->_flag |= MSVCRT__IOREAD;
3538 else
3539 return MSVCRT_EOF;
3540 }
3541
3542 if(!(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF))) {
3543 int r;
3544 if ((r = MSVCRT__read(file->_file,&c,1)) != 1) {
3545 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
3546 return MSVCRT_EOF;
3547 }
3548
3549 return c;
3550 } else {
3551 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
3552 if(file->_cnt<=0) {
3553 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
3554 file->_cnt = 0;
3555 return MSVCRT_EOF;
3556 }
3557
3558 file->_cnt--;
3559 file->_ptr = file->_base+1;
3560 c = *(unsigned char *)file->_base;
3561 return c;
3562 }
3563 }
3564
3565 /*********************************************************************
3566 * fgetc (MSVCRT.@)
3567 */
3568 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
3569 {
3570 int ret;
3571
3572 MSVCRT__lock_file(file);
3573 ret = MSVCRT__fgetc_nolock(file);
3574 MSVCRT__unlock_file(file);
3575
3576 return ret;
3577 }
3578
3579 /*********************************************************************
3580 * _fgetc_nolock (MSVCRT.@)
3581 */
3582 int CDECL MSVCRT__fgetc_nolock(MSVCRT_FILE* file)
3583 {
3584 unsigned char *i;
3585 unsigned int j;
3586
3587 if (file->_cnt>0) {
3588 file->_cnt--;
3589 i = (unsigned char *)file->_ptr++;
3590 j = *i;
3591 } else
3592 j = MSVCRT__filbuf(file);
3593
3594 return j;
3595 }
3596
3597 /*********************************************************************
3598 * _fgetchar (MSVCRT.@)
3599 */
3600 int CDECL MSVCRT__fgetchar(void)
3601 {
3602 return MSVCRT_fgetc(MSVCRT_stdin);
3603 }
3604
3605 /*********************************************************************
3606 * fgets (MSVCRT.@)
3607 */
3608 char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
3609 {
3610 int cc = MSVCRT_EOF;
3611 char * buf_start = s;
3612
3613 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
3614 file,file->_file,s,size);
3615
3616 MSVCRT__lock_file(file);
3617
3618 while ((size >1) && (cc = MSVCRT__fgetc_nolock(file)) != MSVCRT_EOF && cc != '\n')
3619 {
3620 *s++ = (char)cc;
3621 size --;
3622 }
3623 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
3624 {
3625 TRACE(":nothing read\n");
3626 MSVCRT__unlock_file(file);
3627 return NULL;
3628 }
3629 if ((cc != MSVCRT_EOF) && (size > 1))
3630 *s++ = cc;
3631 *s = '\0';
3632 TRACE(":got %s\n", debugstr_a(buf_start));
3633 MSVCRT__unlock_file(file);
3634 return buf_start;
3635 }
3636
3637 /*********************************************************************
3638 * fgetwc (MSVCRT.@)
3639 */
3640 MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
3641 {
3642 MSVCRT_wint_t ret;
3643
3644 MSVCRT__lock_file(file);
3645 ret = MSVCRT__fgetwc_nolock(file);
3646 MSVCRT__unlock_file(file);
3647
3648 return ret;
3649 }
3650
3651 /*********************************************************************
3652 * _fgetwc_nolock (MSVCRT.@)
3653 */
3654 MSVCRT_wint_t CDECL MSVCRT__fgetwc_nolock(MSVCRT_FILE* file)
3655 {
3656 MSVCRT_wint_t ret;
3657 int ch;
3658
3659 if((get_ioinfo_nolock(file->_file)->exflag & (EF_UTF8 | EF_UTF16))
3660 || !(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
3661 char *p;
3662
3663 for(p=(char*)&ret; (MSVCRT_wint_t*)p<&ret+1; p++) {
3664 ch = MSVCRT__fgetc_nolock(file);
3665 if(ch == MSVCRT_EOF) {
3666 ret = MSVCRT_WEOF;
3667 break;
3668 }
3669 *p = (char)ch;
3670 }
3671 }else {
3672 char mbs[MSVCRT_MB_LEN_MAX];
3673 int len = 0;
3674
3675 ch = MSVCRT__fgetc_nolock(file);
3676 if(ch != MSVCRT_EOF) {
3677 mbs[0] = (char)ch;
3678 if(MSVCRT_isleadbyte((unsigned char)mbs[0])) {
3679 ch = MSVCRT__fgetc_nolock(file);
3680 if(ch != MSVCRT_EOF) {
3681 mbs[1] = (char)ch;
3682 len = 2;
3683 }
3684 }else {
3685 len = 1;
3686 }
3687 }
3688
3689 if(!len || MSVCRT_mbtowc(&ret, mbs, len)==-1)
3690 ret = MSVCRT_WEOF;
3691 }
3692
3693 return ret;
3694 }
3695
3696 /*********************************************************************
3697 * _getw (MSVCRT.@)
3698 */
3699 int CDECL MSVCRT__getw(MSVCRT_FILE* file)
3700 {
3701 char *ch;
3702 int i, k;
3703 unsigned int j;
3704 ch = (char *)&i;
3705
3706 MSVCRT__lock_file(file);
3707 for (j=0; j<sizeof(int); j++) {
3708 k = MSVCRT__fgetc_nolock(file);
3709 if (k == MSVCRT_EOF) {
3710 file->_flag |= MSVCRT__IOEOF;
3711 MSVCRT__unlock_file(file);
3712 return EOF;
3713 }
3714 ch[j] = k;
3715 }
3716
3717 MSVCRT__unlock_file(file);
3718 return i;
3719 }
3720
3721 /*********************************************************************
3722 * getwc (MSVCRT.@)
3723 */
3724 MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
3725 {
3726 return MSVCRT_fgetwc(file);
3727 }
3728
3729 /*********************************************************************
3730 * _fgetwchar (MSVCRT.@)
3731 */
3732 MSVCRT_wint_t CDECL MSVCRT__fgetwchar(void)
3733 {
3734 return MSVCRT_fgetwc(MSVCRT_stdin);
3735 }
3736
3737 /*********************************************************************
3738 * getwchar (MSVCRT.@)
3739 */
3740 MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
3741 {
3742 return MSVCRT__fgetwchar();
3743 }
3744
3745 /*********************************************************************
3746 * fgetws (MSVCRT.@)
3747 */
3748 MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
3749 {
3750 MSVCRT_wint_t cc = MSVCRT_WEOF;
3751 MSVCRT_wchar_t * buf_start = s;
3752
3753 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
3754 file,file->_file,s,size);
3755
3756 MSVCRT__lock_file(file);
3757
3758 while ((size >1) && (cc = MSVCRT__fgetwc_nolock(file)) != MSVCRT_WEOF && cc != '\n')
3759 {
3760 *s++ = cc;
3761 size --;
3762 }
3763 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
3764 {
3765 TRACE(":nothing read\n");
3766 MSVCRT__unlock_file(file);
3767 return NULL;
3768 }
3769 if ((cc != MSVCRT_WEOF) && (size > 1))
3770 *s++ = cc;
3771 *s = 0;
3772 TRACE(":got %s\n", debugstr_w(buf_start));
3773 MSVCRT__unlock_file(file);
3774 return buf_start;
3775 }
3776
3777 /*********************************************************************
3778 * _flsbuf (MSVCRT.@)
3779 */
3780 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
3781 {
3782 /* Flush output buffer */
3783 if(!(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF))) {
3784 msvcrt_alloc_buffer(file);
3785 }
3786
3787 if(!(file->_flag & MSVCRT__IOWRT)) {
3788 if(!(file->_flag & MSVCRT__IORW)) {
3789 file->_flag |= MSVCRT__IOERR;
3790 return MSVCRT_EOF;
3791 }
3792 file->_flag |= MSVCRT__IOWRT;
3793 }
3794 if(file->_flag & MSVCRT__IOREAD) {
3795 if(!(file->_flag & MSVCRT__IOEOF)) {
3796 file->_flag |= MSVCRT__IOERR;
3797 return MSVCRT_EOF;
3798 }
3799 file->_cnt = 0;
3800 file->_ptr = file->_base;
3801 file->_flag &= ~(MSVCRT__IOREAD | MSVCRT__IOEOF);
3802 }
3803
3804 if(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) {
3805 int res = 0;
3806
3807 if(file->_cnt <= 0) {
3808 res = msvcrt_flush_buffer(file);
3809 if(res)
3810 return res;
3811 file->_flag |= MSVCRT__IOWRT;
3812 file->_cnt=file->_bufsiz;
3813 }
3814 *file->_ptr++ = c;
3815 file->_cnt--;
3816 return c&0xff;
3817 } else {
3818 unsigned char cc=c;
3819 int len;
3820 /* set _cnt to 0 for unbuffered FILEs */
3821 file->_cnt = 0;
3822 len = MSVCRT__write(file->_file, &cc, 1);
3823 if (len == 1)
3824 return c & 0xff;
3825 file->_flag |= MSVCRT__IOERR;
3826 return MSVCRT_EOF;
3827 }
3828 }
3829
3830 /*********************************************************************
3831 * fwrite (MSVCRT.@)
3832 */
3833 MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3834 {
3835 MSVCRT_size_t ret;
3836
3837 MSVCRT__lock_file(file);
3838 ret = MSVCRT__fwrite_nolock(ptr, size, nmemb, file);
3839 MSVCRT__unlock_file(file);
3840
3841 return ret;
3842 }
3843
3844 /*********************************************************************
3845 * _fwrite_nolock (MSVCRT.@)
3846 */
3847 MSVCRT_size_t CDECL MSVCRT__fwrite_nolock(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3848 {
3849 MSVCRT_size_t wrcnt=size * nmemb;
3850 int written = 0;
3851 if (size == 0)
3852 return 0;
3853
3854 while(wrcnt) {
3855 if(file->_cnt < 0) {
3856 WARN("negative file->_cnt value in %p\n", file);
3857 file->_flag |= MSVCRT__IOERR;
3858 break;
3859 } else if(file->_cnt) {
3860 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
3861 memcpy(file->_ptr, ptr, pcnt);
3862 file->_cnt -= pcnt;
3863 file->_ptr += pcnt;
3864 written += pcnt;
3865 wrcnt -= pcnt;
3866 ptr = (const char*)ptr + pcnt;
3867 } else if((file->_flag & MSVCRT__IONBF)
3868 || ((file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) && wrcnt >= file->_bufsiz)
3869 || (!(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) && wrcnt >= MSVCRT_INTERNAL_BUFSIZ)) {
3870 MSVCRT_size_t pcnt;
3871 int bufsiz;
3872
3873 if(file->_flag & MSVCRT__IONBF)
3874 bufsiz = 1;
3875 else if(!(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)))
3876 bufsiz = MSVCRT_INTERNAL_BUFSIZ;
3877 else
3878 bufsiz = file->_bufsiz;
3879
3880 pcnt = (wrcnt / bufsiz) * bufsiz;
3881
3882 if(msvcrt_flush_buffer(file) == MSVCRT_EOF)
3883 break;
3884
3885 if(MSVCRT__write(file->_file, ptr, pcnt) <= 0) {
3886 file->_flag |= MSVCRT__IOERR;
3887 break;
3888 }
3889 written += pcnt;
3890 wrcnt -= pcnt;
3891 ptr = (const char*)ptr + pcnt;
3892 } else {
3893 if(MSVCRT__flsbuf(*(const char*)ptr, file) == MSVCRT_EOF)
3894 break;
3895 written++;
3896 wrcnt--;
3897 ptr = (const char*)ptr + 1;
3898 }
3899 }
3900
3901 return written / size;
3902 }
3903
3904 /*********************************************************************
3905 * fputwc (MSVCRT.@)
3906 */
3907 MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
3908 {
3909 MSVCRT_wint_t ret;
3910
3911 MSVCRT__lock_file(file);
3912 ret = MSVCRT__fputwc_nolock(wc, file);
3913 MSVCRT__unlock_file(file);
3914
3915 return ret;
3916 }
3917
3918 /*********************************************************************
3919 * _fputwc_nolock (MSVCRT.@)
3920 */
3921 MSVCRT_wint_t CDECL MSVCRT__fputwc_nolock(MSVCRT_wint_t wc, MSVCRT_FILE* file)
3922 {
3923 MSVCRT_wchar_t mwc=wc;
3924 ioinfo *fdinfo;
3925 MSVCRT_wint_t ret;
3926
3927 fdinfo = get_ioinfo_nolock(file->_file);
3928
3929 if((fdinfo->wxflag&WX_TEXT) && !(fdinfo->exflag&(EF_UTF8|EF_UTF16))) {
3930 char buf[MSVCRT_MB_LEN_MAX];
3931 int char_len;
3932
3933 char_len = MSVCRT_wctomb(buf, mwc);
3934 if(char_len!=-1 && MSVCRT__fwrite_nolock(buf, char_len, 1, file)==1)
3935 ret = wc;
3936 else
3937 ret = MSVCRT_WEOF;
3938 }else if(MSVCRT__fwrite_nolock(&mwc, sizeof(mwc), 1, file) == 1) {
3939 ret = wc;
3940 }else {
3941 ret = MSVCRT_WEOF;
3942 }
3943
3944 return ret;
3945 }
3946
3947 /*********************************************************************
3948 * _fputwchar (MSVCRT.@)
3949 */
3950 MSVCRT_wint_t CDECL MSVCRT__fputwchar(MSVCRT_wint_t wc)
3951 {
3952 return MSVCRT_fputwc(wc, MSVCRT_stdout);
3953 }
3954
3955 /*********************************************************************
3956 * _wfsopen (MSVCRT.@)
3957 */
3958 MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
3959 {
3960 MSVCRT_FILE* file;
3961 int open_flags, stream_flags, fd;
3962
3963 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
3964
3965 /* map mode string to open() flags. "man fopen" for possibilities. */
3966 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
3967 return NULL;
3968
3969 LOCK_FILES();
3970 fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
3971 if (fd < 0)
3972 file = NULL;
3973 else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
3974 != -1)
3975 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
3976 else if (file)
3977 {
3978 file->_flag = 0;
3979 file = NULL;
3980 }
3981
3982 TRACE(":got (%p)\n",file);
3983 if (fd >= 0 && !file)
3984 MSVCRT__close(fd);
3985 UNLOCK_FILES();
3986 return file;
3987 }
3988
3989 /*********************************************************************
3990 * _fsopen (MSVCRT.@)
3991 */
3992 MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
3993 {
3994 MSVCRT_FILE *ret;
3995 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3996
3997 if (path && !(pathW = msvcrt_wstrdupa(path))) {
3998 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3999 *MSVCRT__errno() = MSVCRT_EINVAL;
4000 return NULL;
4001 }
4002 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
4003 {
4004 MSVCRT_free(pathW);
4005 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
4006 *MSVCRT__errno() = MSVCRT_EINVAL;
4007 return NULL;
4008 }
4009
4010 ret = MSVCRT__wfsopen(pathW, modeW, share);
4011
4012 MSVCRT_free(pathW);
4013 MSVCRT_free(modeW);
4014 return ret;
4015 }
4016
4017 /*********************************************************************
4018 * fopen (MSVCRT.@)
4019 */
4020 MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
4021 {
4022 return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
4023 }
4024
4025 /*********************************************************************
4026 * fopen_s (MSVCRT.@)
4027 */
4028 int CDECL MSVCRT_fopen_s(MSVCRT_FILE** pFile,
4029 const char *filename, const char *mode)
4030 {
4031 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
4032 if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
4033 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
4034
4035 *pFile = MSVCRT_fopen(filename, mode);
4036
4037 if(!*pFile)
4038 return *MSVCRT__errno();
4039 return 0;
4040 }
4041
4042 /*********************************************************************
4043 * _wfopen (MSVCRT.@)
4044 */
4045 MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
4046 {
4047 return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
4048 }
4049
4050 /*********************************************************************
4051 * _wfopen_s (MSVCRT.@)
4052 */
4053 int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename,
4054 const MSVCRT_wchar_t *mode)
4055 {
4056 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
4057 if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
4058 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
4059
4060 *pFile = MSVCRT__wfopen(filename, mode);
4061
4062 if(!*pFile)
4063 return *MSVCRT__errno();
4064 return 0;
4065 }
4066
4067 /*********************************************************************
4068 * fputc (MSVCRT.@)
4069 */
4070 int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
4071 {
4072 int ret;
4073
4074 MSVCRT__lock_file(file);
4075 ret = MSVCRT__fputc_nolock(c, file);
4076 MSVCRT__unlock_file(file);
4077
4078 return ret;
4079 }
4080
4081 /*********************************************************************
4082 * _fputc_nolock (MSVCRT.@)
4083 */
4084 int CDECL MSVCRT__fputc_nolock(int c, MSVCRT_FILE* file)
4085 {
4086 int res;
4087
4088 if(file->_cnt>0) {
4089 *file->_ptr++=c;
4090 file->_cnt--;
4091 if (c == '\n')
4092 {
4093 res = msvcrt_flush_buffer(file);
4094 return res ? res : c;
4095 }
4096 else {
4097 return c & 0xff;
4098 }
4099 } else {
4100 res = MSVCRT__flsbuf(c, file);
4101 return res;
4102 }
4103 }
4104
4105 /*********************************************************************
4106 * _fputchar (MSVCRT.@)
4107 */
4108 int CDECL MSVCRT__fputchar(int c)
4109 {
4110 return MSVCRT_fputc(c, MSVCRT_stdout);
4111 }
4112
4113 /*********************************************************************
4114 * fread (MSVCRT.@)
4115 */
4116 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
4117 {
4118 MSVCRT_size_t ret;
4119
4120 MSVCRT__lock_file(file);
4121 ret = MSVCRT__fread_nolock(ptr, size, nmemb, file);
4122 MSVCRT__unlock_file(file);
4123
4124 return ret;
4125 }
4126
4127 /*********************************************************************
4128 * _fread_nolock (MSVCRT.@)
4129 */
4130 MSVCRT_size_t CDECL MSVCRT__fread_nolock(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
4131 {
4132 MSVCRT_size_t rcnt=size * nmemb;
4133 MSVCRT_size_t read=0;
4134 MSVCRT_size_t pread=0;
4135
4136 if(!rcnt)
4137 return 0;
4138
4139 /* first buffered data */
4140 if(file->_cnt>0) {
4141 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
4142 memcpy(ptr, file->_ptr, pcnt);
4143 file->_cnt -= pcnt;
4144 file->_ptr += pcnt;
4145 read += pcnt ;
4146 rcnt -= pcnt ;
4147 ptr = (char*)ptr + pcnt;
4148 } else if(!(file->_flag & MSVCRT__IOREAD )) {
4149 if(file->_flag & MSVCRT__IORW) {
4150 file->_flag |= MSVCRT__IOREAD;
4151 } else {
4152 return 0;
4153 }
4154 }
4155
4156 if(rcnt>0 && !(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF)))
4157 msvcrt_alloc_buffer(file);
4158
4159 while(rcnt>0)
4160 {
4161 int i;
4162 if (!file->_cnt && rcnt<MSVCRT_BUFSIZ && (file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF))) {
4163 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
4164 file->_ptr = file->_base;
4165 i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
4166 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
4167 if (i > 0 && i < file->_cnt) {
4168 get_ioinfo_nolock(file->_file)->wxflag &= ~WX_ATEOF;
4169 file->_flag &= ~MSVCRT__IOEOF;
4170 }
4171 if (i > 0) {
4172 memcpy(ptr, file->_ptr, i);
4173 file->_cnt -= i;
4174 file->_ptr += i;
4175 }
4176 } else if (rcnt > INT_MAX) {
4177 i = MSVCRT__read(file->_file, ptr, INT_MAX);
4178 } else if (rcnt < MSVCRT_BUFSIZ) {
4179 i = MSVCRT__read(file->_file, ptr, rcnt);
4180 } else {
4181 i = MSVCRT__read(file->_file, ptr, rcnt - MSVCRT_BUFSIZ/2);
4182 }
4183 pread += i;
4184 rcnt -= i;
4185 ptr = (char *)ptr+i;
4186 /* expose feof condition in the flags
4187 * MFC tests file->_flag for feof, and doesn't call feof())
4188 */
4189 if (get_ioinfo_nolock(file->_file)->wxflag & WX_ATEOF)
4190 file->_flag |= MSVCRT__IOEOF;
4191 else if (i == -1)
4192 {
4193 file->_flag |= MSVCRT__IOERR;
4194 pread = 0;
4195 rcnt = 0;
4196 }
4197 if (i < 1) break;
4198 }
4199 read+=pread;
4200 return read / size;
4201 }
4202
4203
4204 /*********************************************************************
4205 * fread_s (MSVCR80.@)
4206 */
4207 MSVCRT_size_t CDECL MSVCRT_fread_s(void *buf, MSVCRT_size_t buf_size, MSVCRT_size_t elem_size,
4208 MSVCRT_size_t count, MSVCRT_FILE *stream)
4209 {
4210 MSVCRT_size_t ret;
4211
4212 if(!MSVCRT_CHECK_PMT(stream != NULL)) {
4213 if(buf && buf_size)
4214 memset(buf, 0, buf_size);
4215 return 0;
4216 }
4217 if(!elem_size || !count) return 0;
4218
4219 MSVCRT__lock_file(stream);
4220 ret = MSVCRT__fread_nolock_s(buf, buf_size, elem_size, count, stream);
4221 MSVCRT__unlock_file(stream);
4222
4223 return ret;
4224 }
4225
4226 /*********************************************************************
4227 * _fread_nolock_s (MSVCR80.@)
4228 */
4229 MSVCRT_size_t CDECL MSVCRT__fread_nolock_s(void *buf, MSVCRT_size_t buf_size, MSVCRT_size_t elem_size,
4230 MSVCRT_size_t count, MSVCRT_FILE *stream)
4231 {
4232 size_t bytes_left, buf_pos;
4233
4234 TRACE("(%p %lu %lu %lu %p)\n", buf, buf_size, elem_size, count, stream);
4235
4236 if(!MSVCRT_CHECK_PMT(stream != NULL)) {
4237 if(buf && buf_size)
4238 memset(buf, 0, buf_size);
4239 return 0;
4240 }
4241 if(!elem_size || !count) return 0;
4242 if(!MSVCRT_CHECK_PMT(buf != NULL)) return 0;
4243 if(!MSVCRT_CHECK_PMT(MSVCRT_SIZE_MAX/count >= elem_size)) return 0;
4244
4245 bytes_left = elem_size*count;
4246 buf_pos = 0;
4247 while(bytes_left) {
4248 if(stream->_cnt > 0) {
4249 size_t size = bytes_left<stream->_cnt ? bytes_left : stream->_cnt;
4250
4251 if(!MSVCRT_CHECK_PMT_ERR(size <= buf_size-buf_pos, MSVCRT_ERANGE)) {
4252 memset(buf, 0, buf_size);
4253 return 0;
4254 }
4255
4256 MSVCRT__fread_nolock((char*)buf+buf_pos, 1, size, stream);
4257 buf_pos += size;
4258 bytes_left -= size;
4259 }else {
4260 int c = MSVCRT__filbuf(stream);
4261
4262 if(c == EOF)
4263 break;
4264
4265 if(!MSVCRT_CHECK_PMT_ERR(buf_size != buf_pos, MSVCRT_ERANGE)) {
4266 memset(buf, 0, buf_size);
4267 return 0;
4268 }
4269
4270 ((char*)buf)[buf_pos++] = c;
4271 bytes_left--;
4272 }
4273 }
4274
4275 return buf_pos/elem_size;
4276 }
4277
4278 /*********************************************************************
4279 * _wfreopen (MSVCRT.@)
4280 *
4281 */
4282 MSVCRT_FILE* CDECL MSVCRT__wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
4283 {
4284 int open_flags, stream_flags, fd;
4285
4286 TRACE(":path (%s) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file ? file->_file : -1);
4287
4288 LOCK_FILES();
4289 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
4290 file = NULL;
4291 else
4292 {
4293 MSVCRT_fclose(file);
4294 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
4295 file = NULL;
4296 else if((fd = MSVCRT__wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE)) < 0)
4297 file = NULL;
4298 else if(msvcrt_init_fp(file, fd, stream_flags) == -1)
4299 {
4300 file->_flag = 0;
4301 file = NULL;
4302 }
4303 }
4304 UNLOCK_FILES();
4305 return file;
4306 }
4307
4308 /*********************************************************************
4309 * _wfreopen_s (MSVCRT.@)
4310 */
4311 int CDECL MSVCRT__wfreopen_s(MSVCRT_FILE** pFile,
4312 const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
4313 {
4314 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
4315 if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
4316 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
4317 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
4318
4319 *pFile = MSVCRT__wfreopen(path, mode, file);
4320
4321 if(!*pFile)
4322 return *MSVCRT__errno();
4323 return 0;
4324 }
4325
4326 /*********************************************************************
4327 * freopen (MSVCRT.@)
4328 *
4329 */
4330 MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
4331 {
4332 MSVCRT_FILE *ret;
4333 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
4334
4335 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
4336 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
4337 {
4338 MSVCRT_free(pathW);
4339 return NULL;
4340 }
4341
4342 ret = MSVCRT__wfreopen(pathW, modeW, file);
4343
4344 MSVCRT_free(pathW);
4345 MSVCRT_free(modeW);
4346 return ret;
4347 }
4348
4349 /*********************************************************************
4350 * freopen_s (MSVCRT.@)
4351 */
4352 int CDECL MSVCRT_freopen_s(MSVCRT_FILE** pFile,
4353 const char *path, const char *mode, MSVCRT_FILE* file)
4354 {
4355 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
4356 if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
4357 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
4358 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
4359
4360 *pFile = MSVCRT_freopen(path, mode, file);
4361
4362 if(!*pFile)
4363 return *MSVCRT__errno();
4364 return 0;
4365 }
4366
4367 /*********************************************************************
4368 * fsetpos (MSVCRT.@)
4369 */
4370 int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
4371 {
4372 int ret;
4373
4374 MSVCRT__lock_file(file);
4375 msvcrt_flush_buffer(file);
4376
4377 /* Reset direction of i/o */
4378 if(file->_flag & MSVCRT__IORW) {
4379 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
4380 }
4381
4382 ret = (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
4383 MSVCRT__unlock_file(file);
4384 return ret;
4385 }
4386
4387 /*********************************************************************
4388 * _ftelli64 (MSVCRT.@)
4389 */
4390 __int64 CDECL MSVCRT__ftelli64(MSVCRT_FILE* file)
4391 {
4392 __int64 ret;
4393
4394 MSVCRT__lock_file(file);
4395 ret = MSVCRT__ftelli64_nolock(file);
4396 MSVCRT__unlock_file(file);
4397
4398 return ret;
4399 }
4400
4401 /*********************************************************************
4402 * _ftelli64_nolock (MSVCRT.@)
4403 */
4404 __int64 CDECL MSVCRT__ftelli64_nolock(MSVCRT_FILE* file)
4405 {
4406 __int64 pos;
4407
4408 pos = _telli64(file->_file);
4409 if(pos == -1)
4410 return -1;
4411 if(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) {
4412 if(file->_flag & MSVCRT__IOWRT) {
4413 pos += file->_ptr - file->_base;
4414
4415 if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
4416 char *p;
4417
4418 for(p=file->_base; p<file->_ptr; p++)
4419 if(*p == '\n')
4420 pos++;
4421 }
4422 } else if(!file->_cnt) { /* nothing to do */
4423 } else if(MSVCRT__lseeki64(file->_file, 0, SEEK_END)==pos) {
4424 int i;
4425
4426 pos -= file->_cnt;
4427 if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
4428 for(i=0; i<file->_cnt; i++)
4429 if(file->_ptr[i] == '\n')
4430 pos--;
4431 }
4432 } else {
4433 char *p;
4434
4435 if(MSVCRT__lseeki64(file->_file, pos, SEEK_SET) != pos)
4436 return -1;
4437
4438 pos -= file->_bufsiz;
4439 pos += file->_ptr - file->_base;
4440
4441 if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
4442 if(get_ioinfo_nolock(file->_file)->wxflag & WX_READNL)
4443 pos--;
4444
4445 for(p=file->_base; p<file->_ptr; p++)
4446 if(*p == '\n')
4447 pos++;
4448 }
4449 }
4450 }
4451
4452 return pos;
4453 }
4454
4455 /*********************************************************************
4456 * ftell (MSVCRT.@)
4457 */
4458 LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
4459 {
4460 return MSVCRT__ftelli64(file);
4461 }
4462
4463 /*********************************************************************
4464 * _ftell_nolock (MSVCRT.@)
4465 */
4466 LONG CDECL MSVCRT__ftell_nolock(MSVCRT_FILE* file)
4467 {
4468 return MSVCRT__ftelli64_nolock(file);
4469 }
4470
4471 /*********************************************************************
4472 * fgetpos (MSVCRT.@)
4473 */
4474 int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
4475 {
4476 *pos = MSVCRT__ftelli64(file);
4477 if(*pos == -1)
4478 return -1;
4479 return 0;
4480 }
4481
4482 /*********************************************************************
4483 * fputs (MSVCRT.@)
4484 */
4485 int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
4486 {
4487 MSVCRT_size_t len = strlen(s);
4488 int ret;
4489
4490 MSVCRT__lock_file(file);
4491 ret = MSVCRT__fwrite_nolock(s, sizeof(*s), len, file) == len ? 0 : MSVCRT_EOF;
4492 MSVCRT__unlock_file(file);
4493 return ret;
4494 }
4495
4496 /*********************************************************************
4497 * fputws (MSVCRT.@)
4498 */
4499 int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
4500 {
4501 MSVCRT_size_t i, len = strlenW(s);
4502 BOOL tmp_buf;
4503 int ret;
4504
4505 MSVCRT__lock_file(file);
4506 if (!(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
4507 ret = MSVCRT__fwrite_nolock(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
4508 MSVCRT__unlock_file(file);
4509 return ret;
4510 }
4511
4512 tmp_buf = add_std_buffer(file);
4513 for (i=0; i<len; i++) {
4514 if(MSVCRT__fputwc_nolock(s[i], file) == MSVCRT_WEOF) {
4515 if(tmp_buf) remove_std_buffer(file);
4516 MSVCRT__unlock_file(file);
4517 return MSVCRT_WEOF;
4518 }
4519 }
4520
4521 if(tmp_buf) remove_std_buffer(file);
4522 MSVCRT__unlock_file(file);
4523 return 0;
4524 }
4525
4526 /*********************************************************************
4527 * getchar (MSVCRT.@)
4528 */
4529 int CDECL MSVCRT_getchar(void)
4530 {
4531 return MSVCRT_fgetc(MSVCRT_stdin);
4532 }
4533
4534 /*********************************************************************
4535 * getc (MSVCRT.@)
4536 */
4537 int CDECL MSVCRT_getc(MSVCRT_FILE* file)
4538 {
4539 return MSVCRT_fgetc(file);
4540 }
4541
4542 /*********************************************************************
4543 * gets (MSVCRT.@)
4544 */
4545 char * CDECL MSVCRT_gets(char *buf)
4546 {
4547 int cc;
4548 char * buf_start = buf;
4549
4550 MSVCRT__lock_file(MSVCRT_stdin);
4551 for(cc = MSVCRT__fgetc_nolock(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
4552 cc = MSVCRT__fgetc_nolock(MSVCRT_stdin))
4553 if(cc != '\r') *buf++ = (char)cc;
4554
4555 *buf = '\0';
4556
4557 TRACE("got '%s'\n", buf_start);
4558 MSVCRT__unlock_file(MSVCRT_stdin);
4559 return buf_start;
4560 }
4561
4562 /*********************************************************************
4563 * _getws (MSVCRT.@)
4564 */
4565 MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
4566 {
4567 MSVCRT_wint_t cc;
4568 MSVCRT_wchar_t* ws = buf;
4569
4570 MSVCRT__lock_file(MSVCRT_stdin);
4571 for (cc = MSVCRT__fgetwc_nolock(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
4572 cc = MSVCRT__fgetwc_nolock(MSVCRT_stdin))
4573 {
4574 if (cc != '\r')
4575 *buf++ = (MSVCRT_wchar_t)cc;
4576 }
4577 *buf = '\0';
4578
4579 TRACE("got %s\n", debugstr_w(ws));
4580 MSVCRT__unlock_file(MSVCRT_stdin);
4581 return ws;
4582 }
4583
4584 /*********************************************************************
4585 * putc (MSVCRT.@)
4586 */
4587 int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
4588 {
4589 return MSVCRT_fputc(c, file);
4590 }
4591
4592 /*********************************************************************
4593 * putchar (MSVCRT.@)
4594 */
4595 int CDECL MSVCRT_putchar(int c)
4596 {
4597 return MSVCRT_fputc(c, MSVCRT_stdout);
4598 }
4599
4600 /*********************************************************************
4601 * _putwch (MSVCRT.@)
4602 */
4603 int CDECL MSVCRT__putwch(int c)
4604 {
4605 return MSVCRT_fputwc(c, MSVCRT_stdout);
4606 }
4607
4608 /*********************************************************************
4609 * puts (MSVCRT.@)
4610 */
4611 int CDECL MSVCRT_puts(const char *s)
4612 {
4613 MSVCRT_size_t len = strlen(s);
4614 int ret;
4615
4616 MSVCRT__lock_file(MSVCRT_stdout);
4617 if(MSVCRT__fwrite_nolock(s, sizeof(*s), len, MSVCRT_stdout) != len) {
4618 MSVCRT__unlock_file(MSVCRT_stdout);
4619 return MSVCRT_EOF;
4620 }
4621
4622 ret = MSVCRT__fwrite_nolock("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
4623 MSVCRT__unlock_file(MSVCRT_stdout);
4624 return ret;
4625 }
4626
4627 /*********************************************************************
4628 * _putws (MSVCRT.@)
4629 */
4630 int CDECL MSVCRT__putws(const MSVCRT_wchar_t *s)
4631 {
4632 static const MSVCRT_wchar_t nl = '\n';
4633 MSVCRT_size_t len = strlenW(s);
4634 int ret;
4635
4636 MSVCRT__lock_file(MSVCRT_stdout);
4637 if(MSVCRT__fwrite_nolock(s, sizeof(*s), len, MSVCRT_stdout) != len) {
4638 MSVCRT__unlock_file(MSVCRT_stdout);
4639 return MSVCRT_EOF;
4640 }
4641
4642 ret = MSVCRT__fwrite_nolock(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
4643 MSVCRT__unlock_file(MSVCRT_stdout);
4644 return ret;
4645 }
4646
4647 /*********************************************************************
4648 * remove (MSVCRT.@)
4649 */
4650 int CDECL MSVCRT_remove(const char *path)
4651 {
4652 TRACE("(%s)\n",path);
4653 if (DeleteFileA(path))
4654 return 0;
4655 TRACE(":failed (%d)\n",GetLastError());
4656 msvcrt_set_errno(GetLastError());
4657 return -1;
4658 }
4659
4660 /*********************************************************************
4661 * _wremove (MSVCRT.@)
4662 */
4663 int CDECL MSVCRT__wremove(const MSVCRT_wchar_t *path)
4664 {
4665 TRACE("(%s)\n",debugstr_w(path));
4666 if (DeleteFileW(path))
4667 return 0;
4668 TRACE(":failed (%d)\n",GetLastError());
4669 msvcrt_set_errno(GetLastError());
4670 return -1;
4671 }
4672
4673 /*********************************************************************
4674 * rename (MSVCRT.@)
4675 */
4676 int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
4677 {
4678 TRACE(":from %s to %s\n",oldpath,newpath);
4679 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
4680 return 0;
4681 TRACE(":failed (%d)\n",GetLastError());
4682 msvcrt_set_errno(GetLastError());
4683 return -1;
4684 }
4685
4686 /*********************************************************************
4687 * _wrename (MSVCRT.@)
4688 */
4689 int CDECL MSVCRT__wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
4690 {
4691 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
4692 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
4693 return 0;
4694 TRACE(":failed (%d)\n",GetLastError());
4695 msvcrt_set_errno(GetLastError());
4696 return -1;
4697 }
4698
4699 /*********************************************************************
4700 * setvbuf (MSVCRT.@)
4701 */
4702 int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
4703 {
4704 if(!MSVCRT_CHECK_PMT(file != NULL)) return -1;
4705 if(!MSVCRT_CHECK_PMT(mode==MSVCRT__IONBF || mode==MSVCRT__IOFBF || mode==MSVCRT__IOLBF)) return -1;
4706 if(!MSVCRT_CHECK_PMT(mode==MSVCRT__IONBF || (size>=2 && size<=INT_MAX))) return -1;
4707
4708 MSVCRT__lock_file(file);
4709
4710 MSVCRT__fflush_nolock(file);
4711 if(file->_flag & MSVCRT__IOMYBUF)
4712 MSVCRT_free(file->_base);
4713 file->_flag &= ~(MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF);
4714 file->_cnt = 0;
4715
4716 if(mode == MSVCRT__IONBF) {
4717 file->_flag |= MSVCRT__IONBF;
4718 file->_base = file->_ptr = (char*)&file->_charbuf;
4719 file->_bufsiz = 2;
4720 }else if(buf) {
4721 file->_base = file->_ptr = buf;
4722 file->_flag |= MSVCRT__USERBUF;
4723 file->_bufsiz = size;
4724 }else {
4725 file->_base = file->_ptr = MSVCRT_malloc(size);
4726 if(!file->_base) {
4727 file->_bufsiz = 0;
4728 MSVCRT__unlock_file(file);
4729 return -1;
4730 }
4731
4732 file->_flag |= MSVCRT__IOMYBUF;
4733 file->_bufsiz = size;
4734 }
4735 MSVCRT__unlock_file(file);
4736 return 0;
4737 }
4738
4739 /*********************************************************************
4740 * setbuf (MSVCRT.@)
4741 */
4742 void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
4743 {
4744 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
4745 }
4746
4747 /*********************************************************************
4748 * tmpnam (MSVCRT.@)
4749 */
4750 char * CDECL MSVCRT_tmpnam(char *s)
4751 {
4752 char tmpstr[16];
4753 char *p;
4754 int count, size;
4755
4756 if (!s) {
4757 thread_data_t *data = msvcrt_get_thread_data();
4758
4759 if(!data->tmpnam_buffer)
4760 data->tmpnam_buffer = MSVCRT_malloc(MAX_PATH);
4761
4762 s = data->tmpnam_buffer;
4763 }
4764
4765 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
4766 p = s + sprintf(s, "\\s%s.", tmpstr);
4767 for (count = 0; count < MSVCRT_TMP_MAX; count++)
4768 {
4769 size = msvcrt_int_to_base32(tmpnam_unique++, tmpstr);
4770 memcpy(p, tmpstr, size);
4771 p[size] = '\0';
4772 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
4773 GetLastError() == ERROR_FILE_NOT_FOUND)
4774 break;
4775 }
4776 return s;
4777 }
4778
4779 /*********************************************************************
4780 * _wtmpnam (MSVCRT.@)
4781 */
4782 MSVCRT_wchar_t * CDECL MSVCRT_wtmpnam(MSVCRT_wchar_t *s)
4783 {
4784 static const MSVCRT_wchar_t format[] = {'\\','s','%','s','.',0};
4785 MSVCRT_wchar_t tmpstr[16];
4786 MSVCRT_wchar_t *p;
4787 int count, size;
4788 if (!s) {
4789 thread_data_t *data = msvcrt_get_thread_data();
4790
4791 if(!data->wtmpnam_buffer)
4792 data->wtmpnam_buffer = MSVCRT_malloc(sizeof(MSVCRT_wchar_t[MAX_PATH]));
4793
4794 s = data->wtmpnam_buffer;
4795 }
4796
4797 msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr);
4798 p = s + MSVCRT__snwprintf(s, MAX_PATH, format, tmpstr);
4799 for (count = 0; count < MSVCRT_TMP_MAX; count++)
4800 {
4801 size = msvcrt_int_to_base32_w(tmpnam_unique++, tmpstr);
4802 memcpy(p, tmpstr, size*sizeof(MSVCRT_wchar_t));
4803 p[size] = '\0';
4804 if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
4805 GetLastError() == ERROR_FILE_NOT_FOUND)
4806 break;
4807 }
4808 return s;
4809 }
4810
4811 /*********************************************************************
4812 * tmpfile (MSVCRT.@)
4813 */
4814 MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
4815 {
4816 char *filename = MSVCRT_tmpnam(NULL);
4817 int fd;
4818 MSVCRT_FILE* file = NULL;
4819
4820 LOCK_FILES();
4821 fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY,
4822 MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
4823 if (fd != -1 && (file = msvcrt_alloc_fp()))
4824 {
4825 if (msvcrt_init_fp(file, fd, MSVCRT__IORW) == -1)
4826 {
4827 file->_flag = 0;
4828 file = NULL;
4829 }
4830 else file->_tmpfname = MSVCRT__strdup(filename);
4831 }
4832
4833 if(fd != -1 && !file)
4834 MSVCRT__close(fd);
4835 UNLOCK_FILES();
4836 return file;
4837 }
4838
4839 /*********************************************************************
4840 * tmpfile_s (MSVCRT.@)
4841 */
4842 int CDECL MSVCRT_tmpfile_s(MSVCRT_FILE** file)
4843 {
4844 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
4845
4846 *file = MSVCRT_tmpfile();
4847 return 0;
4848 }
4849
4850 static int puts_clbk_file_a(void *file, int len, const char *str)
4851 {
4852 return MSVCRT_fwrite(str, sizeof(char), len, file);
4853 }
4854
4855 static int puts_clbk_file_w(void *file, int len, const MSVCRT_wchar_t *str)
4856 {
4857 int i, ret;
4858
4859 MSVCRT__lock_file(file);
4860
4861 if(!(get_ioinfo_nolock(((MSVCRT_FILE*)file)->_file)->wxflag & WX_TEXT)) {
4862 ret = MSVCRT__fwrite_nolock(str, sizeof(MSVCRT_wchar_t), len, file);
4863 MSVCRT__unlock_file(file);
4864 return ret;
4865 }
4866
4867 for(i=0; i<len; i++) {
4868 if(MSVCRT__fputwc_nolock(str[i], file) == MSVCRT_WEOF) {
4869 MSVCRT__unlock_file(file);
4870 return -1;
4871 }
4872 }
4873
4874 MSVCRT__unlock_file(file);
4875 return len;
4876 }
4877
4878 /*********************************************************************
4879 * vfprintf (MSVCRT.@)
4880 */
4881 int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
4882 {
4883 BOOL tmp_buf;
4884 int ret;
4885
4886 MSVCRT__lock_file(file);
4887 tmp_buf = add_std_buffer(file);
4888 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4889 if(tmp_buf) remove_std_buffer(file);
4890 MSVCRT__unlock_file(file);
4891
4892 return ret;
4893 }
4894
4895 /*********************************************************************
4896 * vfprintf_s (MSVCRT.@)
4897 */
4898 int CDECL MSVCRT_vfprintf_s(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
4899 {
4900 BOOL tmp_buf;
4901 int ret;
4902
4903 if(!MSVCRT_CHECK_PMT(file != NULL)) return -1;
4904
4905 MSVCRT__lock_file(file);
4906 tmp_buf = add_std_buffer(file);
4907 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
4908 if(tmp_buf) remove_std_buffer(file);
4909 MSVCRT__unlock_file(file);
4910
4911 return ret;
4912 }
4913
4914 /*********************************************************************
4915 * vfwprintf (MSVCRT.@)
4916 */
4917 int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
4918 {
4919 BOOL tmp_buf;
4920 int ret;
4921
4922 MSVCRT__lock_file(file);
4923 tmp_buf = add_std_buffer(file);
4924 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4925 if(tmp_buf) remove_std_buffer(file);
4926 MSVCRT__unlock_file(file);
4927
4928 return ret;
4929 }
4930
4931 /*********************************************************************
4932 * vfwprintf_s (MSVCRT.@)
4933 */
4934 int CDECL MSVCRT_vfwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
4935 {
4936 BOOL tmp_buf;
4937 int ret;
4938
4939 if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
4940
4941 MSVCRT__lock_file(file);
4942 tmp_buf = add_std_buffer(file);
4943 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
4944 if(tmp_buf) remove_std_buffer(file);
4945 MSVCRT__unlock_file(file);
4946
4947 return ret;
4948 }
4949
4950 /*********************************************************************
4951 * _vfwprintf_l (MSVCRT.@)
4952 */
4953 int CDECL MSVCRT__vfwprintf_l(MSVCRT_FILE* file, const MSVCRT_wchar_t *format,
4954 MSVCRT__locale_t locale, __ms_va_list valist)
4955 {
4956 BOOL tmp_buf;
4957 int ret;
4958
4959 if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
4960
4961 MSVCRT__lock_file(file);
4962 tmp_buf = add_std_buffer(file);
4963 ret = pf_printf_w(puts_clbk_file_w, file, format, locale, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4964 if(tmp_buf) remove_std_buffer(file);
4965 MSVCRT__unlock_file(file);
4966
4967 return ret;
4968 }
4969
4970 /*********************************************************************
4971 * vprintf (MSVCRT.@)
4972 */
4973 int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
4974 {
4975 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
4976 }
4977
4978 /*********************************************************************
4979 * vprintf_s (MSVCRT.@)
4980 */
4981 int CDECL MSVCRT_vprintf_s(const char *format, __ms_va_list valist)
4982 {
4983 return MSVCRT_vfprintf_s(MSVCRT_stdout,format,valist);
4984 }
4985
4986 /*********************************************************************
4987 * vwprintf (MSVCRT.@)
4988 */
4989 int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
4990 {
4991 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
4992 }
4993
4994 /*********************************************************************
4995 * vwprintf_s (MSVCRT.@)
4996 */
4997 int CDECL MSVCRT_vwprintf_s(const MSVCRT_wchar_t *format, __ms_va_list valist)
4998 {
4999 return MSVCRT_vfwprintf_s(MSVCRT_stdout,format,valist);
5000 }
5001
5002 /*********************************************************************
5003 * fprintf (MSVCRT.@)
5004 */
5005 int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
5006 {
5007 __ms_va_list valist;
5008 int res;
5009 __ms_va_start(valist, format);
5010 res = MSVCRT_vfprintf(file, format, valist);
5011 __ms_va_end(valist);
5012 return res;
5013 }
5014
5015 /*********************************************************************
5016 * fprintf_s (MSVCRT.@)
5017 */
5018 int CDECL MSVCRT_fprintf_s(MSVCRT_FILE* file, const char *format, ...)
5019 {
5020 __ms_va_list valist;
5021 int res;
5022 __ms_va_start(valist, format);
5023 res = MSVCRT_vfprintf_s(file, format, valist);
5024 __ms_va_end(valist);
5025 return res;
5026 }
5027
5028 /*********************************************************************
5029 * fwprintf (MSVCRT.@)
5030 */
5031 int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
5032 {
5033 __ms_va_list valist;
5034 int res;
5035 __ms_va_start(valist, format);
5036 res = MSVCRT_vfwprintf(file, format, valist);
5037 __ms_va_end(valist);
5038 return res;
5039 }
5040
5041 /*********************************************************************
5042 * fwprintf_s (MSVCRT.@)
5043 */
5044 int CDECL MSVCRT_fwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
5045 {
5046 __ms_va_list valist;
5047 int res;
5048 __ms_va_start(valist, format);
5049 res = MSVCRT_vfwprintf_s(file, format, valist);
5050 __ms_va_end(valist);
5051 return res;
5052 }
5053
5054 /*********************************************************************
5055 * _fwprintf_l (MSVCRT.@)
5056 */
5057 int CDECL MSVCRT__fwprintf_l(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, ...)
5058 {
5059 __ms_va_list valist;
5060 int res;
5061 __ms_va_start(valist, locale);
5062 res = MSVCRT__vfwprintf_l(file, format, locale, valist);
5063 __ms_va_end(valist);
5064 return res;
5065 }
5066
5067 /*********************************************************************
5068 * printf (MSVCRT.@)
5069 */
5070 int CDECL MSVCRT_printf(const char *format, ...)
5071 {
5072 __ms_va_list valist;
5073 int res;
5074 __ms_va_start(valist, format);
5075 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
5076 __ms_va_end(valist);
5077 return res;
5078 }
5079
5080 /*********************************************************************
5081 * printf_s (MSVCRT.@)
5082 */
5083 int CDECL MSVCRT_printf_s(const char *format, ...)
5084 {
5085 __ms_va_list valist;
5086 int res;
5087 __ms_va_start(valist, format);
5088 res = MSVCRT_vprintf_s(format, valist);
5089 __ms_va_end(valist);
5090 return res;
5091 }
5092
5093 /*********************************************************************
5094 * ungetc (MSVCRT.@)
5095 */
5096 int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
5097 {
5098 int ret;
5099
5100 if(!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EOF;
5101
5102 MSVCRT__lock_file(file);
5103 ret = MSVCRT__ungetc_nolock(c, file);
5104 MSVCRT__unlock_file(file);
5105
5106 return ret;
5107 }
5108
5109 /*********************************************************************
5110 * _ungetc_nolock (MSVCRT.@)
5111 */
5112 int CDECL MSVCRT__ungetc_nolock(int c, MSVCRT_FILE * file)
5113 {
5114 if(!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EOF;
5115
5116 if (c == MSVCRT_EOF || !(file->_flag&MSVCRT__IOREAD ||
5117 (file->_flag&MSVCRT__IORW && !(file->_flag&MSVCRT__IOWRT))))
5118 return MSVCRT_EOF;
5119
5120 if((!(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF))
5121 && msvcrt_alloc_buffer(file))
5122 || (!file->_cnt && file->_ptr==file->_base))
5123 file->_ptr++;
5124
5125 if(file->_ptr>file->_base) {
5126 file->_ptr--;
5127 if(file->_flag & MSVCRT__IOSTRG) {
5128 if(*file->_ptr != c) {
5129 file->_ptr++;
5130 return MSVCRT_EOF;
5131 }
5132 }else {
5133 *file->_ptr = c;
5134 }
5135 file->_cnt++;
5136 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
5137 file->_flag |= MSVCRT__IOREAD;
5138 return c;
5139 }
5140
5141 return MSVCRT_EOF;
5142 }
5143
5144 /*********************************************************************
5145 * ungetwc (MSVCRT.@)
5146 */
5147 MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
5148 {
5149 MSVCRT_wint_t ret;
5150
5151 if(!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_WEOF;
5152
5153 MSVCRT__lock_file(file);
5154 ret = MSVCRT__ungetwc_nolock(wc, file);
5155 MSVCRT__unlock_file(file);
5156
5157 return ret;
5158 }
5159
5160 /*********************************************************************
5161 * _ungetwc_nolock (MSVCRT.@)
5162 */
5163 MSVCRT_wint_t CDECL MSVCRT__ungetwc_nolock(MSVCRT_wint_t wc, MSVCRT_FILE * file)
5164 {
5165 MSVCRT_wchar_t mwc = wc;
5166
5167 if(!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_WEOF;
5168 if (wc == MSVCRT_WEOF)
5169 return MSVCRT_WEOF;
5170
5171 if((get_ioinfo_nolock(file->_file)->exflag & (EF_UTF8 | EF_UTF16))
5172 || !(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
5173 unsigned char * pp = (unsigned char *)&mwc;
5174 int i;
5175
5176 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
5177 if(pp[i] != MSVCRT__ungetc_nolock(pp[i],file))
5178 return MSVCRT_WEOF;
5179 }
5180 }else {
5181 char mbs[MSVCRT_MB_LEN_MAX];
5182 int len;
5183
5184 len = MSVCRT_wctomb(mbs, mwc);
5185 if(len == -1)
5186 return MSVCRT_WEOF;
5187
5188 for(len--; len>=0; len--) {
5189 if(mbs[len] != MSVCRT__ungetc_nolock(mbs[len], file))
5190 return MSVCRT_WEOF;
5191 }
5192 }
5193
5194 return mwc;
5195 }
5196
5197 /*********************************************************************
5198 * wprintf (MSVCRT.@)
5199 */
5200 int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
5201 {
5202 __ms_va_list valist;
5203 int res;
5204 __ms_va_start(valist, format);
5205 res = MSVCRT_vwprintf(format, valist);
5206 __ms_va_end(valist);
5207 return res;
5208 }
5209
5210 /*********************************************************************
5211 * wprintf_s (MSVCRT.@)
5212 */
5213 int CDECL MSVCRT_wprintf_s(const MSVCRT_wchar_t *format, ...)
5214 {
5215 __ms_va_list valist;
5216 int res;
5217 __ms_va_start(valist, format);
5218 res = MSVCRT_vwprintf_s(format, valist);
5219 __ms_va_end(valist);
5220 return res;
5221 }
5222
5223 /*********************************************************************
5224 * _getmaxstdio (MSVCRT.@)
5225 */
5226 int CDECL MSVCRT__getmaxstdio(void)
5227 {
5228 return MSVCRT_max_streams;
5229 }
5230
5231 /*********************************************************************
5232 * _setmaxstdio (MSVCRT.@)
5233 */
5234 int CDECL MSVCRT__setmaxstdio(int newmax)
5235 {
5236 TRACE("%d\n", newmax);
5237
5238 if(newmax<_IOB_ENTRIES || newmax>MSVCRT_MAX_FILES || newmax<MSVCRT_stream_idx)
5239 return -1;
5240
5241 MSVCRT_max_streams = newmax;
5242 return MSVCRT_max_streams;
5243 }
Maarten's multimedia branch