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msvcrt: Add small blocks heap tests.
[wine.git] / dlls / msvcrt / file.c
blobc1d9d6e018a688f811e2fc8a3a6ed35619804541
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_NOSEEK 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* msvcrt_get_ioinfo(int fd)
250 {
251 ioinfo *ret = NULL;
252 if(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 MSVCRT_FILE* msvcrt_get_file(int i)
261 {
262 file_crit *ret;
263
264 if(i >= MSVCRT_max_streams)
265 return NULL;
266
267 if(i < _IOB_ENTRIES)
268 return &MSVCRT__iob[i];
269
270 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE];
271 if(!ret) {
272 MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(file_crit));
273 if(!MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE]) {
274 ERR("out of memory\n");
275 *MSVCRT__errno() = MSVCRT_ENOMEM;
276 return NULL;
277 }
278
279 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] + (i%MSVCRT_FD_BLOCK_SIZE);
280 } else
281 ret += i%MSVCRT_FD_BLOCK_SIZE;
282
283 return &ret->file;
284 }
285
286 static inline BOOL msvcrt_is_valid_fd(int fd)
287 {
288 return fd >= 0 && fd < MSVCRT_fdend && (msvcrt_get_ioinfo(fd)->wxflag & WX_OPEN);
289 }
290
291 /* INTERNAL: Get the HANDLE for a fd
292 * This doesn't lock the table, because a failure will result in
293 * INVALID_HANDLE_VALUE being returned, which should be handled correctly. If
294 * it returns a valid handle which is about to be closed, a subsequent call
295 * will fail, most likely in a sane way.
296 */
297 static HANDLE msvcrt_fdtoh(int fd)
298 {
299 if (!msvcrt_is_valid_fd(fd))
300 {
301 WARN(":fd (%d) - no handle!\n",fd);
302 *MSVCRT___doserrno() = 0;
303 *MSVCRT__errno() = MSVCRT_EBADF;
304 return INVALID_HANDLE_VALUE;
305 }
306 if (msvcrt_get_ioinfo(fd)->handle == INVALID_HANDLE_VALUE)
307 WARN("returning INVALID_HANDLE_VALUE for %d\n", fd);
308 return msvcrt_get_ioinfo(fd)->handle;
309 }
310
311 /* INTERNAL: free a file entry fd */
312 static void msvcrt_free_fd(int fd)
313 {
314 ioinfo *fdinfo;
315
316 LOCK_FILES();
317 fdinfo = msvcrt_get_ioinfo(fd);
318 if(fdinfo != &MSVCRT___badioinfo)
319 {
320 fdinfo->handle = INVALID_HANDLE_VALUE;
321 fdinfo->wxflag = 0;
322 }
323 TRACE(":fd (%d) freed\n",fd);
324
325 if (fd < 3)
326 {
327 switch (fd)
328 {
329 case 0:
330 SetStdHandle(STD_INPUT_HANDLE, 0);
331 break;
332 case 1:
333 SetStdHandle(STD_OUTPUT_HANDLE, 0);
334 break;
335 case 2:
336 SetStdHandle(STD_ERROR_HANDLE, 0);
337 break;
338 }
339 }
340
341 if (fd == MSVCRT_fdend - 1)
342 MSVCRT_fdend--;
343 if (fd < MSVCRT_fdstart)
344 MSVCRT_fdstart = fd;
345 UNLOCK_FILES();
346 }
347
348 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */
349 /* caller must hold the files lock */
350 static int msvcrt_set_fd(HANDLE hand, int flag, int fd)
351 {
352 ioinfo *fdinfo;
353
354 if (fd >= MSVCRT_MAX_FILES)
355 {
356 WARN(":files exhausted!\n");
357 *MSVCRT__errno() = MSVCRT_ENFILE;
358 return -1;
359 }
360
361 fdinfo = msvcrt_get_ioinfo(fd);
362 if(fdinfo == &MSVCRT___badioinfo) {
363 int i;
364
365 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(ioinfo));
366 if(!MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE]) {
367 WARN(":out of memory!\n");
368 *MSVCRT__errno() = MSVCRT_ENOMEM;
369 return -1;
370 }
371
372 for(i=0; i<MSVCRT_FD_BLOCK_SIZE; i++)
373 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE][i].handle = INVALID_HANDLE_VALUE;
374
375 fdinfo = msvcrt_get_ioinfo(fd);
376 }
377
378 fdinfo->handle = hand;
379 fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT | WX_PIPE | WX_NOSEEK));
380 fdinfo->lookahead[0] = '\n';
381 fdinfo->lookahead[1] = '\n';
382 fdinfo->lookahead[2] = '\n';
383 fdinfo->exflag = 0;
384
385 /* locate next free slot */
386 if (fd == MSVCRT_fdstart && fd == MSVCRT_fdend)
387 MSVCRT_fdstart = MSVCRT_fdend + 1;
388 else
389 while (MSVCRT_fdstart < MSVCRT_fdend &&
390 msvcrt_get_ioinfo(MSVCRT_fdstart)->handle != INVALID_HANDLE_VALUE)
391 MSVCRT_fdstart++;
392 /* update last fd in use */
393 if (fd >= MSVCRT_fdend)
394 MSVCRT_fdend = fd + 1;
395 TRACE("fdstart is %d, fdend is %d\n", MSVCRT_fdstart, MSVCRT_fdend);
396
397 switch (fd)
398 {
399 case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
400 case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
401 case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
402 }
403
404 return fd;
405 }
406
407 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
408 static int msvcrt_alloc_fd(HANDLE hand, int flag)
409 {
410 int ret;
411
412 LOCK_FILES();
413 TRACE(":handle (%p) allocating fd (%d)\n",hand,MSVCRT_fdstart);
414 ret = msvcrt_set_fd(hand, flag, MSVCRT_fdstart);
415 UNLOCK_FILES();
416 return ret;
417 }
418
419 /* INTERNAL: Allocate a FILE* for an fd slot */
420 /* caller must hold the files lock */
421 static MSVCRT_FILE* msvcrt_alloc_fp(void)
422 {
423 int i;
424 MSVCRT_FILE *file;
425
426 for (i = 3; i < MSVCRT_max_streams; i++)
427 {
428 file = msvcrt_get_file(i);
429 if (!file)
430 return NULL;
431
432 if (file->_flag == 0)
433 {
434 if (i == MSVCRT_stream_idx)
435 {
436 if (file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
437 {
438 InitializeCriticalSection(&((file_crit*)file)->crit);
439 ((file_crit*)file)->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": file_crit.crit");
440 }
441 MSVCRT_stream_idx++;
442 }
443 return file;
444 }
445 }
446
447 return NULL;
448 }
449
450 /* INTERNAL: initialize a FILE* from an open fd */
451 static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags)
452 {
453 TRACE(":fd (%d) allocating FILE*\n",fd);
454 if (!msvcrt_is_valid_fd(fd))
455 {
456 WARN(":invalid fd %d\n",fd);
457 *MSVCRT___doserrno() = 0;
458 *MSVCRT__errno() = MSVCRT_EBADF;
459 return -1;
460 }
461 memset(file, 0, sizeof(*file));
462 file->_file = fd;
463 file->_flag = stream_flags;
464
465 TRACE(":got FILE* (%p)\n",file);
466 return 0;
467 }
468
469 /* INTERNAL: Create an inheritance data block (for spawned process)
470 * The inheritance block is made of:
471 * 00 int nb of file descriptor (NBFD)
472 * 04 char file flags (wxflag): repeated for each fd
473 * 4+NBFD HANDLE file handle: repeated for each fd
474 */
475 unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block)
476 {
477 int fd;
478 char* wxflag_ptr;
479 HANDLE* handle_ptr;
480 ioinfo* fdinfo;
481
482 *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
483 *block = MSVCRT_calloc(*size, 1);
484 if (!*block)
485 {
486 *size = 0;
487 return FALSE;
488 }
489 wxflag_ptr = (char*)*block + sizeof(unsigned);
490 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
491
492 *(unsigned*)*block = MSVCRT_fdend;
493 for (fd = 0; fd < MSVCRT_fdend; fd++)
494 {
495 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
496 fdinfo = msvcrt_get_ioinfo(fd);
497 if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
498 {
499 *wxflag_ptr = fdinfo->wxflag;
500 *handle_ptr = fdinfo->handle;
501 }
502 else
503 {
504 *wxflag_ptr = 0;
505 *handle_ptr = INVALID_HANDLE_VALUE;
506 }
507 wxflag_ptr++; handle_ptr++;
508 }
509 return TRUE;
510 }
511
512 /* INTERNAL: Set up all file descriptors,
513 * as well as default streams (stdin, stderr and stdout)
514 */
515 void msvcrt_init_io(void)
516 {
517 STARTUPINFOA si;
518 int i;
519 ioinfo *fdinfo;
520
521 GetStartupInfoA(&si);
522 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
523 {
524 BYTE* wxflag_ptr;
525 HANDLE* handle_ptr;
526 unsigned int count;
527
528 count = *(unsigned*)si.lpReserved2;
529 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
530 handle_ptr = (HANDLE*)(wxflag_ptr + count);
531
532 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
533 count = min(count, MSVCRT_MAX_FILES);
534 for (i = 0; i < count; i++)
535 {
536 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
537 msvcrt_set_fd(*handle_ptr, *wxflag_ptr, i);
538
539 wxflag_ptr++; handle_ptr++;
540 }
541 MSVCRT_fdend = max( 3, count );
542 for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
543 if (msvcrt_get_ioinfo(MSVCRT_fdstart)->handle == INVALID_HANDLE_VALUE) break;
544 }
545
546 fdinfo = msvcrt_get_ioinfo(MSVCRT_STDIN_FILENO);
547 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
548 HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
549 DWORD type = GetFileType(h);
550
551 msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_NOSEEK : 0)
552 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDIN_FILENO);
553 }
554
555 fdinfo = msvcrt_get_ioinfo(MSVCRT_STDOUT_FILENO);
556 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
557 HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
558 DWORD type = GetFileType(h);
559
560 msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_NOSEEK : 0)
561 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDOUT_FILENO);
562 }
563
564 fdinfo = msvcrt_get_ioinfo(MSVCRT_STDERR_FILENO);
565 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
566 HANDLE h = GetStdHandle(STD_ERROR_HANDLE);
567 DWORD type = GetFileType(h);
568
569 msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_NOSEEK : 0)
570 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDERR_FILENO);
571 }
572
573 TRACE(":handles (%p)(%p)(%p)\n", msvcrt_get_ioinfo(MSVCRT_STDIN_FILENO)->handle,
574 msvcrt_get_ioinfo(MSVCRT_STDOUT_FILENO)->handle,
575 msvcrt_get_ioinfo(MSVCRT_STDERR_FILENO)->handle);
576
577 memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
578 for (i = 0; i < 3; i++)
579 {
580 /* FILE structs for stdin/out/err are static and never deleted */
581 MSVCRT__iob[i]._file = i;
582 MSVCRT__iob[i]._tmpfname = NULL;
583 MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
584 }
585 MSVCRT_stream_idx = 3;
586 }
587
588 /* INTERNAL: Flush stdio file buffer */
589 static int msvcrt_flush_buffer(MSVCRT_FILE* file)
590 {
591 if(file->_bufsiz) {
592 int cnt=file->_ptr-file->_base;
593 if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) {
594 file->_flag |= MSVCRT__IOERR;
595 return MSVCRT_EOF;
596 }
597 file->_ptr=file->_base;
598 file->_cnt=file->_bufsiz;
599 }
600 return 0;
601 }
602
603 /*********************************************************************
604 * _isatty (MSVCRT.@)
605 */
606 int CDECL MSVCRT__isatty(int fd)
607 {
608 HANDLE hand = msvcrt_fdtoh(fd);
609
610 TRACE(":fd (%d) handle (%p)\n",fd,hand);
611 if (hand == INVALID_HANDLE_VALUE)
612 return 0;
613
614 return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
615 }
616
617 /* INTERNAL: Allocate stdio file buffer */
618 static BOOL msvcrt_alloc_buffer(MSVCRT_FILE* file)
619 {
620 if((file->_file==MSVCRT_STDOUT_FILENO || file->_file==MSVCRT_STDERR_FILENO)
621 && MSVCRT__isatty(file->_file))
622 return FALSE;
623
624 file->_base = MSVCRT_calloc(MSVCRT_INTERNAL_BUFSIZ,1);
625 if(file->_base) {
626 file->_bufsiz = MSVCRT_INTERNAL_BUFSIZ;
627 file->_flag |= MSVCRT__IOMYBUF;
628 } else {
629 file->_base = (char*)(&file->_charbuf);
630 /* put here 2 ??? */
631 file->_bufsiz = sizeof(file->_charbuf);
632 }
633 file->_ptr = file->_base;
634 file->_cnt = 0;
635 return TRUE;
636 }
637
638 /* INTERNAL: Allocate temporary buffer for stdout and stderr */
639 static BOOL add_std_buffer(MSVCRT_FILE *file)
640 {
641 static char buffers[2][MSVCRT_BUFSIZ];
642
643 if((file->_file!=MSVCRT_STDOUT_FILENO && file->_file!=MSVCRT_STDERR_FILENO)
644 || !MSVCRT__isatty(file->_file) || file->_bufsiz)
645 return FALSE;
646
647 file->_ptr = file->_base = buffers[file->_file == MSVCRT_STDOUT_FILENO ? 0 : 1];
648 file->_bufsiz = file->_cnt = MSVCRT_BUFSIZ;
649 return TRUE;
650 }
651
652 /* INTERNAL: Removes temporary buffer from stdout or stderr */
653 /* Only call this function when add_std_buffer returned TRUE */
654 static void remove_std_buffer(MSVCRT_FILE *file)
655 {
656 msvcrt_flush_buffer(file);
657 file->_ptr = file->_base = NULL;
658 file->_bufsiz = file->_cnt = 0;
659 }
660
661 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
662 static int msvcrt_int_to_base32(int num, char *str)
663 {
664 char *p;
665 int n = num;
666 int digits = 0;
667
668 while (n != 0)
669 {
670 n >>= 5;
671 digits++;
672 }
673 p = str + digits;
674 *p = 0;
675 while (--p >= str)
676 {
677 *p = (num & 31) + '0';
678 if (*p > '9')
679 *p += ('a' - '0' - 10);
680 num >>= 5;
681 }
682
683 return digits;
684 }
685
686 /* INTERNAL: wide character version of msvcrt_int_to_base32 */
687 static int msvcrt_int_to_base32_w(int num, MSVCRT_wchar_t *str)
688 {
689 MSVCRT_wchar_t *p;
690 int n = num;
691 int digits = 0;
692
693 while (n != 0)
694 {
695 n >>= 5;
696 digits++;
697 }
698 p = str + digits;
699 *p = 0;
700 while (--p >= str)
701 {
702 *p = (num & 31) + '0';
703 if (*p > '9')
704 *p += ('a' - '0' - 10);
705 num >>= 5;
706 }
707
708 return digits;
709 }
710
711 /*********************************************************************
712 * __iob_func(MSVCRT.@)
713 */
714 MSVCRT_FILE * CDECL MSVCRT___iob_func(void)
715 {
716 return &MSVCRT__iob[0];
717 }
718
719 /*********************************************************************
720 * _access (MSVCRT.@)
721 */
722 int CDECL MSVCRT__access(const char *filename, int mode)
723 {
724 DWORD attr = GetFileAttributesA(filename);
725
726 TRACE("(%s,%d) %d\n",filename,mode,attr);
727
728 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
729 {
730 msvcrt_set_errno(GetLastError());
731 return -1;
732 }
733 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
734 {
735 msvcrt_set_errno(ERROR_ACCESS_DENIED);
736 return -1;
737 }
738 return 0;
739 }
740
741 /*********************************************************************
742 * _access_s (MSVCRT.@)
743 */
744 int CDECL MSVCRT__access_s(const char *filename, int mode)
745 {
746 if (!MSVCRT_CHECK_PMT(filename != NULL)) return *MSVCRT__errno();
747 if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return *MSVCRT__errno();
748
749 if (MSVCRT__access(filename, mode) == -1)
750 return *MSVCRT__errno();
751 return 0;
752 }
753
754 /*********************************************************************
755 * _waccess (MSVCRT.@)
756 */
757 int CDECL MSVCRT__waccess(const MSVCRT_wchar_t *filename, int mode)
758 {
759 DWORD attr = GetFileAttributesW(filename);
760
761 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
762
763 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
764 {
765 msvcrt_set_errno(GetLastError());
766 return -1;
767 }
768 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
769 {
770 msvcrt_set_errno(ERROR_ACCESS_DENIED);
771 return -1;
772 }
773 return 0;
774 }
775
776 /*********************************************************************
777 * _waccess_s (MSVCRT.@)
778 */
779 int CDECL MSVCRT__waccess_s(const MSVCRT_wchar_t *filename, int mode)
780 {
781 if (!MSVCRT_CHECK_PMT(filename != NULL)) return *MSVCRT__errno();
782 if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return *MSVCRT__errno();
783
784 if (MSVCRT__waccess(filename, mode) == -1)
785 return *MSVCRT__errno();
786 return 0;
787 }
788
789 /*********************************************************************
790 * _chmod (MSVCRT.@)
791 */
792 int CDECL MSVCRT__chmod(const char *path, int flags)
793 {
794 DWORD oldFlags = GetFileAttributesA(path);
795
796 if (oldFlags != INVALID_FILE_ATTRIBUTES)
797 {
798 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
799 oldFlags | FILE_ATTRIBUTE_READONLY;
800
801 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
802 return 0;
803 }
804 msvcrt_set_errno(GetLastError());
805 return -1;
806 }
807
808 /*********************************************************************
809 * _wchmod (MSVCRT.@)
810 */
811 int CDECL MSVCRT__wchmod(const MSVCRT_wchar_t *path, int flags)
812 {
813 DWORD oldFlags = GetFileAttributesW(path);
814
815 if (oldFlags != INVALID_FILE_ATTRIBUTES)
816 {
817 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
818 oldFlags | FILE_ATTRIBUTE_READONLY;
819
820 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
821 return 0;
822 }
823 msvcrt_set_errno(GetLastError());
824 return -1;
825 }
826
827 /*********************************************************************
828 * _unlink (MSVCRT.@)
829 */
830 int CDECL MSVCRT__unlink(const char *path)
831 {
832 TRACE("%s\n",debugstr_a(path));
833 if(DeleteFileA(path))
834 return 0;
835 TRACE("failed (%d)\n",GetLastError());
836 msvcrt_set_errno(GetLastError());
837 return -1;
838 }
839
840 /*********************************************************************
841 * _wunlink (MSVCRT.@)
842 */
843 int CDECL MSVCRT__wunlink(const MSVCRT_wchar_t *path)
844 {
845 TRACE("(%s)\n",debugstr_w(path));
846 if(DeleteFileW(path))
847 return 0;
848 TRACE("failed (%d)\n",GetLastError());
849 msvcrt_set_errno(GetLastError());
850 return -1;
851 }
852
853 /*********************************************************************
854 * _commit (MSVCRT.@)
855 */
856 int CDECL MSVCRT__commit(int fd)
857 {
858 HANDLE hand = msvcrt_fdtoh(fd);
859
860 TRACE(":fd (%d) handle (%p)\n",fd,hand);
861 if (hand == INVALID_HANDLE_VALUE)
862 return -1;
863
864 if (!FlushFileBuffers(hand))
865 {
866 if (GetLastError() == ERROR_INVALID_HANDLE)
867 {
868 /* FlushFileBuffers fails for console handles
869 * so we ignore this error.
870 */
871 return 0;
872 }
873 TRACE(":failed-last error (%d)\n",GetLastError());
874 msvcrt_set_errno(GetLastError());
875 return -1;
876 }
877 TRACE(":ok\n");
878 return 0;
879 }
880
881 /* flush_all_buffers calls MSVCRT_fflush which calls flush_all_buffers */
882 int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
883
884 /* INTERNAL: Flush all stream buffer */
885 static int msvcrt_flush_all_buffers(int mask)
886 {
887 int i, num_flushed = 0;
888 MSVCRT_FILE *file;
889
890 LOCK_FILES();
891 for (i = 0; i < MSVCRT_stream_idx; i++) {
892 file = msvcrt_get_file(i);
893
894 if (file->_flag)
895 {
896 if(file->_flag & mask) {
897 MSVCRT_fflush(file);
898 num_flushed++;
899 }
900 }
901 }
902 UNLOCK_FILES();
903
904 TRACE(":flushed (%d) handles\n",num_flushed);
905 return num_flushed;
906 }
907
908 /*********************************************************************
909 * _flushall (MSVCRT.@)
910 */
911 int CDECL MSVCRT__flushall(void)
912 {
913 return msvcrt_flush_all_buffers(MSVCRT__IOWRT | MSVCRT__IOREAD);
914 }
915
916 /*********************************************************************
917 * fflush (MSVCRT.@)
918 */
919 int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
920 {
921 if(!file) {
922 msvcrt_flush_all_buffers(MSVCRT__IOWRT);
923 } else if(file->_flag & MSVCRT__IOWRT) {
924 int res;
925
926 MSVCRT__lock_file(file);
927 res = msvcrt_flush_buffer(file);
928
929 if(!res && (file->_flag & MSVCRT__IOCOMMIT))
930 res = MSVCRT__commit(file->_file) ? MSVCRT_EOF : 0;
931 MSVCRT__unlock_file(file);
932
933 return res;
934 } else if(file->_flag & MSVCRT__IOREAD) {
935 MSVCRT__lock_file(file);
936 file->_cnt = 0;
937 file->_ptr = file->_base;
938 MSVCRT__unlock_file(file);
939
940 return 0;
941 }
942 return 0;
943 }
944
945 /*********************************************************************
946 * _close (MSVCRT.@)
947 */
948 int CDECL MSVCRT__close(int fd)
949 {
950 HANDLE hand;
951 int ret;
952
953 LOCK_FILES();
954 hand = msvcrt_fdtoh(fd);
955 TRACE(":fd (%d) handle (%p)\n",fd,hand);
956 if (!msvcrt_is_valid_fd(fd)) {
957 ret = -1;
958 } else {
959 msvcrt_free_fd(fd);
960 ret = CloseHandle(hand) ? 0 : -1;
961 if (ret) {
962 WARN(":failed-last error (%d)\n",GetLastError());
963 msvcrt_set_errno(GetLastError());
964 }
965 }
966 UNLOCK_FILES();
967 TRACE(":ok\n");
968 return ret;
969 }
970
971 /*********************************************************************
972 * _dup2 (MSVCRT.@)
973 * NOTES
974 * MSDN isn't clear on this point, but the remarks for _pipe
975 * indicate file descriptors duplicated with _dup and _dup2 are always
976 * inheritable.
977 */
978 int CDECL MSVCRT__dup2(int od, int nd)
979 {
980 int ret;
981
982 TRACE("(od=%d, nd=%d)\n", od, nd);
983 LOCK_FILES();
984 if (nd < MSVCRT_MAX_FILES && nd >= 0 && msvcrt_is_valid_fd(od))
985 {
986 HANDLE handle;
987
988 if (DuplicateHandle(GetCurrentProcess(), msvcrt_get_ioinfo(od)->handle,
989 GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
990 {
991 int wxflag = msvcrt_get_ioinfo(od)->wxflag & ~MSVCRT__O_NOINHERIT;
992
993 if (msvcrt_is_valid_fd(nd))
994 MSVCRT__close(nd);
995 ret = msvcrt_set_fd(handle, wxflag, nd);
996 if (ret == -1)
997 {
998 CloseHandle(handle);
999 *MSVCRT__errno() = MSVCRT_EMFILE;
1000 }
1001 else
1002 {
1003 /* _dup2 returns 0, not nd, on success */
1004 ret = 0;
1005 }
1006 }
1007 else
1008 {
1009 ret = -1;
1010 msvcrt_set_errno(GetLastError());
1011 }
1012 }
1013 else
1014 {
1015 *MSVCRT__errno() = MSVCRT_EBADF;
1016 ret = -1;
1017 }
1018 UNLOCK_FILES();
1019 return ret;
1020 }
1021
1022 /*********************************************************************
1023 * _dup (MSVCRT.@)
1024 */
1025 int CDECL MSVCRT__dup(int od)
1026 {
1027 int fd, ret;
1028
1029 LOCK_FILES();
1030 fd = MSVCRT_fdstart;
1031 if (MSVCRT__dup2(od, fd) == 0)
1032 ret = fd;
1033 else
1034 ret = -1;
1035 UNLOCK_FILES();
1036 return ret;
1037 }
1038
1039 /*********************************************************************
1040 * _eof (MSVCRT.@)
1041 */
1042 int CDECL MSVCRT__eof(int fd)
1043 {
1044 DWORD curpos,endpos;
1045 LONG hcurpos,hendpos;
1046 HANDLE hand = msvcrt_fdtoh(fd);
1047
1048 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1049
1050 if (hand == INVALID_HANDLE_VALUE)
1051 return -1;
1052
1053 if (msvcrt_get_ioinfo(fd)->wxflag & WX_ATEOF) return TRUE;
1054
1055 /* Otherwise we do it the hard way */
1056 hcurpos = hendpos = 0;
1057 curpos = SetFilePointer(hand, 0, &hcurpos, FILE_CURRENT);
1058 endpos = SetFilePointer(hand, 0, &hendpos, FILE_END);
1059
1060 if (curpos == endpos && hcurpos == hendpos)
1061 {
1062 /* FIXME: shouldn't WX_ATEOF be set here? */
1063 return TRUE;
1064 }
1065
1066 SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN);
1067 return FALSE;
1068 }
1069
1070 /*********************************************************************
1071 * _fcloseall (MSVCRT.@)
1072 */
1073 int CDECL MSVCRT__fcloseall(void)
1074 {
1075 int num_closed = 0, i;
1076 MSVCRT_FILE *file;
1077
1078 LOCK_FILES();
1079 for (i = 3; i < MSVCRT_stream_idx; i++) {
1080 file = msvcrt_get_file(i);
1081
1082 if (file->_flag && !MSVCRT_fclose(file))
1083 num_closed++;
1084 }
1085 UNLOCK_FILES();
1086
1087 TRACE(":closed (%d) handles\n",num_closed);
1088 return num_closed;
1089 }
1090
1091 /* free everything on process exit */
1092 void msvcrt_free_io(void)
1093 {
1094 unsigned int i;
1095 int j;
1096
1097 MSVCRT__flushall();
1098 MSVCRT__fcloseall();
1099
1100 for(i=0; i<sizeof(MSVCRT___pioinfo)/sizeof(MSVCRT___pioinfo[0]); i++)
1101 MSVCRT_free(MSVCRT___pioinfo[i]);
1102
1103 for(j=0; j<MSVCRT_stream_idx; j++)
1104 {
1105 MSVCRT_FILE *file = msvcrt_get_file(j);
1106 if(file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
1107 {
1108 ((file_crit*)file)->crit.DebugInfo->Spare[0] = 0;
1109 DeleteCriticalSection(&((file_crit*)file)->crit);
1110 }
1111 }
1112
1113 for(i=0; i<sizeof(MSVCRT_fstream)/sizeof(MSVCRT_fstream[0]); i++)
1114 MSVCRT_free(MSVCRT_fstream[i]);
1115
1116 DeleteCriticalSection(&MSVCRT_file_cs);
1117 }
1118
1119 /*********************************************************************
1120 * _lseeki64 (MSVCRT.@)
1121 */
1122 __int64 CDECL MSVCRT__lseeki64(int fd, __int64 offset, int whence)
1123 {
1124 HANDLE hand = msvcrt_fdtoh(fd);
1125 LARGE_INTEGER ofs;
1126
1127 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1128 if (hand == INVALID_HANDLE_VALUE)
1129 return -1;
1130
1131 if (whence < 0 || whence > 2)
1132 {
1133 *MSVCRT__errno() = MSVCRT_EINVAL;
1134 return -1;
1135 }
1136
1137 TRACE(":fd (%d) to %s pos %s\n",
1138 fd,wine_dbgstr_longlong(offset),
1139 (whence==SEEK_SET)?"SEEK_SET":
1140 (whence==SEEK_CUR)?"SEEK_CUR":
1141 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
1142
1143 /* The MoleBox protection scheme expects msvcrt to use SetFilePointer only,
1144 * so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */
1145 ofs.QuadPart = offset;
1146 if ((ofs.u.LowPart = SetFilePointer(hand, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER ||
1147 GetLastError() == ERROR_SUCCESS)
1148 {
1149 msvcrt_get_ioinfo(fd)->wxflag &= ~WX_ATEOF;
1150 /* FIXME: What if we seek _to_ EOF - is EOF set? */
1151
1152 return ofs.QuadPart;
1153 }
1154 TRACE(":error-last error (%d)\n",GetLastError());
1155 msvcrt_set_errno(GetLastError());
1156 return -1;
1157 }
1158
1159 /*********************************************************************
1160 * _lseek (MSVCRT.@)
1161 */
1162 LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence)
1163 {
1164 return MSVCRT__lseeki64(fd, offset, whence);
1165 }
1166
1167 /*********************************************************************
1168 * _lock_file (MSVCRT.@)
1169 */
1170 void CDECL MSVCRT__lock_file(MSVCRT_FILE *file)
1171 {
1172 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1173 _lock(_STREAM_LOCKS+(file-MSVCRT__iob));
1174 else
1175 EnterCriticalSection(&((file_crit*)file)->crit);
1176 }
1177
1178 /*********************************************************************
1179 * _unlock_file (MSVCRT.@)
1180 */
1181 void CDECL MSVCRT__unlock_file(MSVCRT_FILE *file)
1182 {
1183 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1184 _unlock(_STREAM_LOCKS+(file-MSVCRT__iob));
1185 else
1186 LeaveCriticalSection(&((file_crit*)file)->crit);
1187 }
1188
1189 /*********************************************************************
1190 * _locking (MSVCRT.@)
1191 *
1192 * This is untested; the underlying LockFile doesn't work yet.
1193 */
1194 int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes)
1195 {
1196 BOOL ret;
1197 DWORD cur_locn;
1198 HANDLE hand = msvcrt_fdtoh(fd);
1199
1200 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1201 if (hand == INVALID_HANDLE_VALUE)
1202 return -1;
1203
1204 if (mode < 0 || mode > 4)
1205 {
1206 *MSVCRT__errno() = MSVCRT_EINVAL;
1207 return -1;
1208 }
1209
1210 TRACE(":fd (%d) by 0x%08x mode %s\n",
1211 fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
1212 (mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
1213 (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
1214 (mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
1215 (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
1216 "UNKNOWN");
1217
1218 if ((cur_locn = SetFilePointer(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
1219 {
1220 FIXME ("Seek failed\n");
1221 *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
1222 return -1;
1223 }
1224 if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
1225 {
1226 int nretry = 10;
1227 ret = 1; /* just to satisfy gcc */
1228 while (nretry--)
1229 {
1230 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1231 if (ret) break;
1232 Sleep(1);
1233 }
1234 }
1235 else if (mode == MSVCRT__LK_UNLCK)
1236 ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L);
1237 else
1238 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1239 /* FIXME - what about error settings? */
1240 return ret ? 0 : -1;
1241 }
1242
1243 /*********************************************************************
1244 * _fseeki64 (MSVCRT.@)
1245 */
1246 int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence)
1247 {
1248 int ret;
1249
1250 MSVCRT__lock_file(file);
1251 /* Flush output if needed */
1252 if(file->_flag & MSVCRT__IOWRT)
1253 msvcrt_flush_buffer(file);
1254
1255 if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
1256 whence = SEEK_SET;
1257 offset += MSVCRT__ftelli64(file);
1258 }
1259
1260 /* Discard buffered input */
1261 file->_cnt = 0;
1262 file->_ptr = file->_base;
1263 /* Reset direction of i/o */
1264 if(file->_flag & MSVCRT__IORW) {
1265 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
1266 }
1267 /* Clear end of file flag */
1268 file->_flag &= ~MSVCRT__IOEOF;
1269 ret = (MSVCRT__lseeki64(file->_file,offset,whence) == -1)?-1:0;
1270
1271 MSVCRT__unlock_file(file);
1272 return ret;
1273 }
1274
1275 /*********************************************************************
1276 * fseek (MSVCRT.@)
1277 */
1278 int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
1279 {
1280 return MSVCRT__fseeki64( file, offset, whence );
1281 }
1282
1283 /*********************************************************************
1284 * _chsize_s (MSVCRT.@)
1285 */
1286 int CDECL MSVCRT__chsize_s(int fd, __int64 size)
1287 {
1288 __int64 cur, pos;
1289 HANDLE handle;
1290 BOOL ret = FALSE;
1291
1292 TRACE("(fd=%d, size=%s)\n", fd, wine_dbgstr_longlong(size));
1293
1294 if (!MSVCRT_CHECK_PMT(size >= 0)) return MSVCRT_EINVAL;
1295
1296 LOCK_FILES();
1297
1298 handle = msvcrt_fdtoh(fd);
1299 if (handle != INVALID_HANDLE_VALUE)
1300 {
1301 /* save the current file pointer */
1302 cur = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1303 if (cur >= 0)
1304 {
1305 pos = MSVCRT__lseeki64(fd, size, SEEK_SET);
1306 if (pos >= 0)
1307 {
1308 ret = SetEndOfFile(handle);
1309 if (!ret) msvcrt_set_errno(GetLastError());
1310 }
1311
1312 /* restore the file pointer */
1313 MSVCRT__lseeki64(fd, cur, SEEK_SET);
1314 }
1315 }
1316
1317 UNLOCK_FILES();
1318 return ret ? 0 : *MSVCRT__errno();
1319 }
1320
1321 /*********************************************************************
1322 * _chsize (MSVCRT.@)
1323 */
1324 int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
1325 {
1326 /* _chsize_s returns errno on failure but _chsize should return -1 */
1327 return MSVCRT__chsize_s( fd, size ) == 0 ? 0 : -1;
1328 }
1329
1330 /*********************************************************************
1331 * clearerr (MSVCRT.@)
1332 */
1333 void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
1334 {
1335 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1336
1337 MSVCRT__lock_file(file);
1338 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
1339 MSVCRT__unlock_file(file);
1340 }
1341
1342 /*********************************************************************
1343 * rewind (MSVCRT.@)
1344 */
1345 void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
1346 {
1347 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1348
1349 MSVCRT__lock_file(file);
1350 MSVCRT_fseek(file, 0L, SEEK_SET);
1351 MSVCRT_clearerr(file);
1352 MSVCRT__unlock_file(file);
1353 }
1354
1355 static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags)
1356 {
1357 int plus = strchrW(mode, '+') != NULL;
1358
1359 TRACE("%s\n", debugstr_w(mode));
1360
1361 while(*mode == ' ') mode++;
1362
1363 switch(*mode++)
1364 {
1365 case 'R': case 'r':
1366 *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
1367 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
1368 break;
1369 case 'W': case 'w':
1370 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1371 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1372 break;
1373 case 'A': case 'a':
1374 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1375 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1376 break;
1377 default:
1378 MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
1379 return -1;
1380 }
1381
1382 *stream_flags |= MSVCRT__commode;
1383
1384 while (*mode && *mode!=',')
1385 switch (*mode++)
1386 {
1387 case 'B': case 'b':
1388 *open_flags |= MSVCRT__O_BINARY;
1389 *open_flags &= ~MSVCRT__O_TEXT;
1390 break;
1391 case 't':
1392 *open_flags |= MSVCRT__O_TEXT;
1393 *open_flags &= ~MSVCRT__O_BINARY;
1394 break;
1395 case 'D':
1396 *open_flags |= MSVCRT__O_TEMPORARY;
1397 break;
1398 case 'T':
1399 *open_flags |= MSVCRT__O_SHORT_LIVED;
1400 break;
1401 case 'c':
1402 *stream_flags |= MSVCRT__IOCOMMIT;
1403 break;
1404 case 'n':
1405 *stream_flags &= ~MSVCRT__IOCOMMIT;
1406 break;
1407 case 'N':
1408 *open_flags |= MSVCRT__O_NOINHERIT;
1409 break;
1410 case '+':
1411 case ' ':
1412 case 'a':
1413 case 'w':
1414 break;
1415 case 'S':
1416 case 'R':
1417 FIXME("ignoring cache optimization flag: %c\n", mode[-1]);
1418 break;
1419 default:
1420 ERR("incorrect mode flag: %c\n", mode[-1]);
1421 break;
1422 }
1423
1424 if(*mode == ',')
1425 {
1426 static const WCHAR ccs[] = {'c','c','s'};
1427 static const WCHAR utf8[] = {'u','t','f','-','8'};
1428 static const WCHAR utf16le[] = {'u','t','f','-','1','6','l','e'};
1429 static const WCHAR unicode[] = {'u','n','i','c','o','d','e'};
1430
1431 mode++;
1432 while(*mode == ' ') mode++;
1433 if(!MSVCRT_CHECK_PMT(!strncmpW(ccs, mode, sizeof(ccs)/sizeof(ccs[0]))))
1434 return -1;
1435 mode += sizeof(ccs)/sizeof(ccs[0]);
1436 while(*mode == ' ') mode++;
1437 if(!MSVCRT_CHECK_PMT(*mode == '='))
1438 return -1;
1439 mode++;
1440 while(*mode == ' ') mode++;
1441
1442 if(!strncmpiW(utf8, mode, sizeof(utf8)/sizeof(utf8[0])))
1443 {
1444 *open_flags |= MSVCRT__O_U8TEXT;
1445 mode += sizeof(utf8)/sizeof(utf8[0]);
1446 }
1447 else if(!strncmpiW(utf16le, mode, sizeof(utf16le)/sizeof(utf16le[0])))
1448 {
1449 *open_flags |= MSVCRT__O_U16TEXT;
1450 mode += sizeof(utf16le)/sizeof(utf16le[0]);
1451 }
1452 else if(!strncmpiW(unicode, mode, sizeof(unicode)/sizeof(unicode[0])))
1453 {
1454 *open_flags |= MSVCRT__O_WTEXT;
1455 mode += sizeof(unicode)/sizeof(unicode[0]);
1456 }
1457 else
1458 {
1459 MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
1460 return -1;
1461 }
1462
1463 while(*mode == ' ') mode++;
1464 }
1465
1466 if(!MSVCRT_CHECK_PMT(*mode == 0))
1467 return -1;
1468 return 0;
1469 }
1470
1471 /*********************************************************************
1472 * _fdopen (MSVCRT.@)
1473 */
1474 MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode)
1475 {
1476 MSVCRT_FILE *ret;
1477 MSVCRT_wchar_t *modeW = NULL;
1478
1479 if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
1480
1481 ret = MSVCRT__wfdopen(fd, modeW);
1482
1483 MSVCRT_free(modeW);
1484 return ret;
1485 }
1486
1487 /*********************************************************************
1488 * _wfdopen (MSVCRT.@)
1489 */
1490 MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
1491 {
1492 int open_flags, stream_flags;
1493 MSVCRT_FILE* file;
1494
1495 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
1496
1497 LOCK_FILES();
1498 if (!(file = msvcrt_alloc_fp()))
1499 file = NULL;
1500 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
1501 {
1502 file->_flag = 0;
1503 file = NULL;
1504 }
1505 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
1506 UNLOCK_FILES();
1507
1508 return file;
1509 }
1510
1511 /*********************************************************************
1512 * _filelength (MSVCRT.@)
1513 */
1514 LONG CDECL MSVCRT__filelength(int fd)
1515 {
1516 LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR);
1517 if (curPos != -1)
1518 {
1519 LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END);
1520 if (endPos != -1)
1521 {
1522 if (endPos != curPos)
1523 MSVCRT__lseek(fd, curPos, SEEK_SET);
1524 return endPos;
1525 }
1526 }
1527 return -1;
1528 }
1529
1530 /*********************************************************************
1531 * _filelengthi64 (MSVCRT.@)
1532 */
1533 __int64 CDECL MSVCRT__filelengthi64(int fd)
1534 {
1535 __int64 curPos = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1536 if (curPos != -1)
1537 {
1538 __int64 endPos = MSVCRT__lseeki64(fd, 0, SEEK_END);
1539 if (endPos != -1)
1540 {
1541 if (endPos != curPos)
1542 MSVCRT__lseeki64(fd, curPos, SEEK_SET);
1543 return endPos;
1544 }
1545 }
1546 return -1;
1547 }
1548
1549 /*********************************************************************
1550 * _fileno (MSVCRT.@)
1551 */
1552 int CDECL MSVCRT__fileno(MSVCRT_FILE* file)
1553 {
1554 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
1555 return file->_file;
1556 }
1557
1558 /*********************************************************************
1559 * _fstat64 (MSVCRT.@)
1560 */
1561 int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf)
1562 {
1563 DWORD dw;
1564 DWORD type;
1565 BY_HANDLE_FILE_INFORMATION hfi;
1566 HANDLE hand = msvcrt_fdtoh(fd);
1567
1568 TRACE(":fd (%d) stat (%p)\n",fd,buf);
1569 if (hand == INVALID_HANDLE_VALUE)
1570 return -1;
1571
1572 if (!buf)
1573 {
1574 WARN(":failed-NULL buf\n");
1575 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1576 return -1;
1577 }
1578
1579 memset(&hfi, 0, sizeof(hfi));
1580 memset(buf, 0, sizeof(struct MSVCRT__stat64));
1581 type = GetFileType(hand);
1582 if (type == FILE_TYPE_PIPE)
1583 {
1584 buf->st_dev = buf->st_rdev = fd;
1585 buf->st_mode = S_IFIFO;
1586 buf->st_nlink = 1;
1587 }
1588 else if (type == FILE_TYPE_CHAR)
1589 {
1590 buf->st_dev = buf->st_rdev = fd;
1591 buf->st_mode = S_IFCHR;
1592 buf->st_nlink = 1;
1593 }
1594 else /* FILE_TYPE_DISK etc. */
1595 {
1596 if (!GetFileInformationByHandle(hand, &hfi))
1597 {
1598 WARN(":failed-last error (%d)\n",GetLastError());
1599 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1600 return -1;
1601 }
1602 buf->st_mode = S_IFREG | 0444;
1603 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1604 buf->st_mode |= 0222;
1605 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1606 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1607 buf->st_atime = dw;
1608 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1609 buf->st_mtime = buf->st_ctime = dw;
1610 buf->st_nlink = hfi.nNumberOfLinks;
1611 }
1612 TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
1613 buf->st_mode);
1614 return 0;
1615 }
1616
1617 /*********************************************************************
1618 * _fstati64 (MSVCRT.@)
1619 */
1620 int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
1621 {
1622 int ret;
1623 struct MSVCRT__stat64 buf64;
1624
1625 ret = MSVCRT__fstat64(fd, &buf64);
1626 if (!ret)
1627 msvcrt_stat64_to_stati64(&buf64, buf);
1628 return ret;
1629 }
1630
1631 /*********************************************************************
1632 * _fstat (MSVCRT.@)
1633 */
1634 int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
1635 { int ret;
1636 struct MSVCRT__stat64 buf64;
1637
1638 ret = MSVCRT__fstat64(fd, &buf64);
1639 if (!ret)
1640 msvcrt_stat64_to_stat(&buf64, buf);
1641 return ret;
1642 }
1643
1644 /*********************************************************************
1645 * _fstat32 (MSVCR80.@)
1646 */
1647 int CDECL MSVCRT__fstat32(int fd, struct MSVCRT__stat32* buf)
1648 {
1649 int ret;
1650 struct MSVCRT__stat64 buf64;
1651
1652 ret = MSVCRT__fstat64(fd, &buf64);
1653 if (!ret)
1654 msvcrt_stat64_to_stat32(&buf64, buf);
1655 return ret;
1656 }
1657
1658 /*********************************************************************
1659 * _fstat64i32 (MSVCR80.@)
1660 */
1661 int CDECL MSVCRT__fstat64i32(int fd, struct MSVCRT__stat64i32* buf)
1662 {
1663 int ret;
1664 struct MSVCRT__stat64 buf64;
1665
1666 ret = MSVCRT__fstat64(fd, &buf64);
1667 if (!ret)
1668 msvcrt_stat64_to_stat64i32(&buf64, buf);
1669 return ret;
1670 }
1671
1672 /*********************************************************************
1673 * _futime64 (MSVCRT.@)
1674 */
1675 int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t)
1676 {
1677 HANDLE hand = msvcrt_fdtoh(fd);
1678 FILETIME at, wt;
1679
1680 if (!t)
1681 {
1682 time_to_filetime( MSVCRT__time64(NULL), &at );
1683 wt = at;
1684 }
1685 else
1686 {
1687 time_to_filetime( t->actime, &at );
1688 time_to_filetime( t->modtime, &wt );
1689 }
1690
1691 if (!SetFileTime(hand, NULL, &at, &wt))
1692 {
1693 msvcrt_set_errno(GetLastError());
1694 return -1 ;
1695 }
1696 return 0;
1697 }
1698
1699 /*********************************************************************
1700 * _futime32 (MSVCRT.@)
1701 */
1702 int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t)
1703 {
1704 if (t)
1705 {
1706 struct MSVCRT___utimbuf64 t64;
1707 t64.actime = t->actime;
1708 t64.modtime = t->modtime;
1709 return _futime64( fd, &t64 );
1710 }
1711 else
1712 return _futime64( fd, NULL );
1713 }
1714
1715 /*********************************************************************
1716 * _futime (MSVCRT.@)
1717 */
1718 #ifdef _WIN64
1719 int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t)
1720 {
1721 return _futime64( fd, t );
1722 }
1723 #else
1724 int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t)
1725 {
1726 return _futime32( fd, t );
1727 }
1728 #endif
1729
1730 /*********************************************************************
1731 * _get_osfhandle (MSVCRT.@)
1732 */
1733 MSVCRT_intptr_t CDECL MSVCRT__get_osfhandle(int fd)
1734 {
1735 HANDLE hand = msvcrt_fdtoh(fd);
1736 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1737
1738 return (MSVCRT_intptr_t)hand;
1739 }
1740
1741 /*********************************************************************
1742 * _mktemp_s (MSVCRT.@)
1743 */
1744 int CDECL MSVCRT__mktemp_s(char *pattern, MSVCRT_size_t size)
1745 {
1746 DWORD len, xno, id;
1747
1748 if(!MSVCRT_CHECK_PMT(pattern!=NULL))
1749 return MSVCRT_EINVAL;
1750
1751 for(len=0; len<size; len++)
1752 if(!pattern[len])
1753 break;
1754 if(!MSVCRT_CHECK_PMT(len!=size && len>=6)) {
1755 if(size)
1756 pattern[0] = 0;
1757 return MSVCRT_EINVAL;
1758 }
1759
1760 for(xno=1; xno<=6; xno++)
1761 if(!MSVCRT_CHECK_PMT(pattern[len-xno] == 'X'))
1762 return MSVCRT_EINVAL;
1763
1764 id = GetCurrentProcessId();
1765 for(xno=1; xno<6; xno++) {
1766 pattern[len-xno] = id%10 + '0';
1767 id /= 10;
1768 }
1769
1770 for(pattern[len-6]='a'; pattern[len-6]<='z'; pattern[len-6]++) {
1771 if(GetFileAttributesA(pattern) == INVALID_FILE_ATTRIBUTES)
1772 return 0;
1773 }
1774
1775 pattern[0] = 0;
1776 *MSVCRT__errno() = MSVCRT_EEXIST;
1777 return MSVCRT_EEXIST;
1778 }
1779
1780 /*********************************************************************
1781 * _mktemp (MSVCRT.@)
1782 */
1783 char * CDECL MSVCRT__mktemp(char *pattern)
1784 {
1785 int numX = 0;
1786 char *retVal = pattern;
1787 int id;
1788 char letter = 'a';
1789
1790 if(!pattern)
1791 return NULL;
1792
1793 while(*pattern)
1794 numX = (*pattern++ == 'X')? numX + 1 : 0;
1795 if (numX < 6)
1796 return NULL;
1797 pattern--;
1798 id = GetCurrentProcessId();
1799 numX = 6;
1800 while(numX--)
1801 {
1802 int tempNum = id / 10;
1803 *pattern-- = id - (tempNum * 10) + '0';
1804 id = tempNum;
1805 }
1806 pattern++;
1807 do
1808 {
1809 *pattern = letter++;
1810 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES)
1811 return retVal;
1812 } while(letter <= 'z');
1813 return NULL;
1814 }
1815
1816 /*********************************************************************
1817 * _wmktemp_s (MSVCRT.@)
1818 */
1819 int CDECL MSVCRT__wmktemp_s(MSVCRT_wchar_t *pattern, MSVCRT_size_t size)
1820 {
1821 DWORD len, xno, id;
1822
1823 if(!MSVCRT_CHECK_PMT(pattern!=NULL))
1824 return MSVCRT_EINVAL;
1825
1826 for(len=0; len<size; len++)
1827 if(!pattern[len])
1828 break;
1829 if(!MSVCRT_CHECK_PMT(len!=size && len>=6)) {
1830 if(size)
1831 pattern[0] = 0;
1832 return MSVCRT_EINVAL;
1833 }
1834
1835 for(xno=1; xno<=6; xno++)
1836 if(!MSVCRT_CHECK_PMT(pattern[len-xno] == 'X'))
1837 return MSVCRT_EINVAL;
1838
1839 id = GetCurrentProcessId();
1840 for(xno=1; xno<6; xno++) {
1841 pattern[len-xno] = id%10 + '0';
1842 id /= 10;
1843 }
1844
1845 for(pattern[len-6]='a'; pattern[len-6]<='z'; pattern[len-6]++) {
1846 if(GetFileAttributesW(pattern) == INVALID_FILE_ATTRIBUTES)
1847 return 0;
1848 }
1849
1850 pattern[0] = 0;
1851 *MSVCRT__errno() = MSVCRT_EEXIST;
1852 return MSVCRT_EEXIST;
1853 }
1854
1855 /*********************************************************************
1856 * _wmktemp (MSVCRT.@)
1857 */
1858 MSVCRT_wchar_t * CDECL MSVCRT__wmktemp(MSVCRT_wchar_t *pattern)
1859 {
1860 int numX = 0;
1861 MSVCRT_wchar_t *retVal = pattern;
1862 int id;
1863 MSVCRT_wchar_t letter = 'a';
1864
1865 if(!pattern)
1866 return NULL;
1867
1868 while(*pattern)
1869 numX = (*pattern++ == 'X')? numX + 1 : 0;
1870 if (numX < 6)
1871 return NULL;
1872 pattern--;
1873 id = GetCurrentProcessId();
1874 numX = 6;
1875 while(numX--)
1876 {
1877 int tempNum = id / 10;
1878 *pattern-- = id - (tempNum * 10) + '0';
1879 id = tempNum;
1880 }
1881 pattern++;
1882 do
1883 {
1884 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES)
1885 return retVal;
1886 *pattern = letter++;
1887 } while(letter != '|');
1888 return NULL;
1889 }
1890
1891 static unsigned split_oflags(unsigned oflags)
1892 {
1893 int wxflags = 0;
1894 unsigned unsupp; /* until we support everything */
1895
1896 if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
1897 if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */}
1898 else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
1899 else if (oflags & MSVCRT__O_WTEXT) wxflags |= WX_TEXT;
1900 else if (oflags & MSVCRT__O_U16TEXT) wxflags |= WX_TEXT;
1901 else if (oflags & MSVCRT__O_U8TEXT) wxflags |= WX_TEXT;
1902 else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */}
1903 else wxflags |= WX_TEXT; /* default to TEXT*/
1904 if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1905
1906 if ((unsupp = oflags & ~(
1907 MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|
1908 MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT|
1909 MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY|
1910 MSVCRT__O_NOINHERIT|
1911 MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED|
1912 MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT
1913 )))
1914 ERR(":unsupported oflags 0x%04x\n",unsupp);
1915
1916 return wxflags;
1917 }
1918
1919 /*********************************************************************
1920 * _pipe (MSVCRT.@)
1921 */
1922 int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode)
1923 {
1924 int ret = -1;
1925 SECURITY_ATTRIBUTES sa;
1926 HANDLE readHandle, writeHandle;
1927
1928 if (!pfds)
1929 {
1930 *MSVCRT__errno() = MSVCRT_EINVAL;
1931 return -1;
1932 }
1933
1934 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
1935 sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT);
1936 sa.lpSecurityDescriptor = NULL;
1937 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
1938 {
1939 unsigned int wxflags = split_oflags(textmode);
1940 int fd;
1941
1942 LOCK_FILES();
1943 fd = msvcrt_alloc_fd(readHandle, wxflags|WX_PIPE);
1944 if (fd != -1)
1945 {
1946 pfds[0] = fd;
1947 fd = msvcrt_alloc_fd(writeHandle, wxflags|WX_PIPE);
1948 if (fd != -1)
1949 {
1950 pfds[1] = fd;
1951 ret = 0;
1952 }
1953 else
1954 {
1955 MSVCRT__close(pfds[0]);
1956 CloseHandle(writeHandle);
1957 *MSVCRT__errno() = MSVCRT_EMFILE;
1958 }
1959 }
1960 else
1961 {
1962 CloseHandle(readHandle);
1963 CloseHandle(writeHandle);
1964 *MSVCRT__errno() = MSVCRT_EMFILE;
1965 }
1966 UNLOCK_FILES();
1967 }
1968 else
1969 msvcrt_set_errno(GetLastError());
1970
1971 return ret;
1972 }
1973
1974 static int check_bom(HANDLE h, int oflags, BOOL seek)
1975 {
1976 char bom[sizeof(utf8_bom)];
1977 DWORD r;
1978
1979 oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT);
1980
1981 if (!ReadFile(h, bom, sizeof(utf8_bom), &r, NULL))
1982 return oflags;
1983
1984 if (r==sizeof(utf8_bom) && !memcmp(bom, utf8_bom, sizeof(utf8_bom))) {
1985 oflags |= MSVCRT__O_U8TEXT;
1986 }else if (r>=sizeof(utf16_bom) && !memcmp(bom, utf16_bom, sizeof(utf16_bom))) {
1987 if (seek && r>2)
1988 SetFilePointer(h, 2, NULL, FILE_BEGIN);
1989 oflags |= MSVCRT__O_U16TEXT;
1990 }else if (seek) {
1991 SetFilePointer(h, 0, NULL, FILE_BEGIN);
1992 }
1993
1994 return oflags;
1995 }
1996
1997 /*********************************************************************
1998 * _wsopen_s (MSVCRT.@)
1999 */
2000 int CDECL MSVCRT__wsopen_s( int *fd, const MSVCRT_wchar_t* path, int oflags, int shflags, int pmode )
2001 {
2002 DWORD access = 0, creation = 0, attrib;
2003 SECURITY_ATTRIBUTES sa;
2004 DWORD sharing;
2005 int wxflag;
2006 HANDLE hand;
2007
2008 TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
2009 fd, debugstr_w(path), oflags, shflags, pmode);
2010
2011 if (!MSVCRT_CHECK_PMT( fd != NULL )) return MSVCRT_EINVAL;
2012
2013 *fd = -1;
2014 wxflag = split_oflags(oflags);
2015 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
2016 {
2017 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
2018 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
2019 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
2020 }
2021
2022 if (oflags & MSVCRT__O_CREAT)
2023 {
2024 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
2025 FIXME(": pmode 0x%04x ignored\n", pmode);
2026 else
2027 WARN(": pmode 0x%04x ignored\n", pmode);
2028
2029 if (oflags & MSVCRT__O_EXCL)
2030 creation = CREATE_NEW;
2031 else if (oflags & MSVCRT__O_TRUNC)
2032 creation = CREATE_ALWAYS;
2033 else
2034 creation = OPEN_ALWAYS;
2035 }
2036 else /* no MSVCRT__O_CREAT */
2037 {
2038 if (oflags & MSVCRT__O_TRUNC)
2039 creation = TRUNCATE_EXISTING;
2040 else
2041 creation = OPEN_EXISTING;
2042 }
2043
2044 switch( shflags )
2045 {
2046 case MSVCRT__SH_DENYRW:
2047 sharing = 0L;
2048 break;
2049 case MSVCRT__SH_DENYWR:
2050 sharing = FILE_SHARE_READ;
2051 break;
2052 case MSVCRT__SH_DENYRD:
2053 sharing = FILE_SHARE_WRITE;
2054 break;
2055 case MSVCRT__SH_DENYNO:
2056 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
2057 break;
2058 default:
2059 ERR( "Unhandled shflags 0x%x\n", shflags );
2060 return MSVCRT_EINVAL;
2061 }
2062 attrib = FILE_ATTRIBUTE_NORMAL;
2063
2064 if (oflags & MSVCRT__O_TEMPORARY)
2065 {
2066 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
2067 access |= DELETE;
2068 sharing |= FILE_SHARE_DELETE;
2069 }
2070
2071 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
2072 sa.lpSecurityDescriptor = NULL;
2073 sa.bInheritHandle = !(oflags & MSVCRT__O_NOINHERIT);
2074
2075 if ((oflags&(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT))
2076 && (creation==OPEN_ALWAYS || creation==OPEN_EXISTING)
2077 && !(access&GENERIC_READ))
2078 {
2079 hand = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
2080 &sa, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
2081 if (hand != INVALID_HANDLE_VALUE)
2082 {
2083 oflags = check_bom(hand, oflags, FALSE);
2084 CloseHandle(hand);
2085 }
2086 else
2087 oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT);
2088 }
2089
2090 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
2091 if (hand == INVALID_HANDLE_VALUE) {
2092 WARN(":failed-last error (%d)\n",GetLastError());
2093 msvcrt_set_errno(GetLastError());
2094 return *MSVCRT__errno();
2095 }
2096
2097 if (oflags & (MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT))
2098 {
2099 if ((access & GENERIC_WRITE) && (creation==CREATE_NEW
2100 || creation==CREATE_ALWAYS || creation==TRUNCATE_EXISTING
2101 || (creation==OPEN_ALWAYS && GetLastError()==ERROR_ALREADY_EXISTS)))
2102 {
2103 if (oflags & MSVCRT__O_U8TEXT)
2104 {
2105 DWORD written = 0, tmp;
2106
2107 while(written!=sizeof(utf8_bom) && WriteFile(hand, (char*)utf8_bom+written,
2108 sizeof(utf8_bom)-written, &tmp, NULL))
2109 written += tmp;
2110 if (written != sizeof(utf8_bom)) {
2111 WARN("error writing BOM\n");
2112 CloseHandle(hand);
2113 msvcrt_set_errno(GetLastError());
2114 return *MSVCRT__errno();
2115 }
2116 }
2117 else
2118 {
2119 DWORD written = 0, tmp;
2120
2121 while(written!=sizeof(utf16_bom) && WriteFile(hand, (char*)utf16_bom+written,
2122 sizeof(utf16_bom)-written, &tmp, NULL))
2123 written += tmp;
2124 if (written != sizeof(utf16_bom))
2125 {
2126 WARN("error writing BOM\n");
2127 CloseHandle(hand);
2128 msvcrt_set_errno(GetLastError());
2129 return *MSVCRT__errno();
2130 }
2131 }
2132 }
2133 else if (access & GENERIC_READ)
2134 oflags = check_bom(hand, oflags, TRUE);
2135 }
2136
2137 *fd = msvcrt_alloc_fd(hand, wxflag);
2138 if (*fd == -1)
2139 return *MSVCRT__errno();
2140
2141 if (oflags & MSVCRT__O_WTEXT)
2142 msvcrt_get_ioinfo(*fd)->exflag |= EF_UTF16|EF_UNK_UNICODE;
2143 else if (oflags & MSVCRT__O_U16TEXT)
2144 msvcrt_get_ioinfo(*fd)->exflag |= EF_UTF16;
2145 else if (oflags & MSVCRT__O_U8TEXT)
2146 msvcrt_get_ioinfo(*fd)->exflag |= EF_UTF8;
2147
2148 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
2149 return 0;
2150 }
2151
2152 /*********************************************************************
2153 * _wsopen (MSVCRT.@)
2154 */
2155 int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t *path, int oflags, int shflags, ... )
2156 {
2157 int pmode;
2158 int fd;
2159
2160 if (oflags & MSVCRT__O_CREAT)
2161 {
2162 __ms_va_list ap;
2163
2164 __ms_va_start(ap, shflags);
2165 pmode = va_arg(ap, int);
2166 __ms_va_end(ap);
2167 }
2168 else
2169 pmode = 0;
2170
2171 MSVCRT__wsopen_s(&fd, path, oflags, shflags, pmode);
2172 return fd;
2173 }
2174
2175 /*********************************************************************
2176 * _sopen_s (MSVCRT.@)
2177 */
2178 int CDECL MSVCRT__sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode )
2179 {
2180 MSVCRT_wchar_t *pathW;
2181 int ret;
2182
2183 if(!MSVCRT_CHECK_PMT(path && (pathW = msvcrt_wstrdupa(path))))
2184 return MSVCRT_EINVAL;
2185
2186 ret = MSVCRT__wsopen_s(fd, pathW, oflags, shflags, pmode);
2187 MSVCRT_free(pathW);
2188 return ret;
2189 }
2190
2191 /*********************************************************************
2192 * _sopen (MSVCRT.@)
2193 */
2194 int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
2195 {
2196 int pmode;
2197 int fd;
2198
2199 if (oflags & MSVCRT__O_CREAT)
2200 {
2201 __ms_va_list ap;
2202
2203 __ms_va_start(ap, shflags);
2204 pmode = va_arg(ap, int);
2205 __ms_va_end(ap);
2206 }
2207 else
2208 pmode = 0;
2209
2210 MSVCRT__sopen_s(&fd, path, oflags, shflags, pmode);
2211 return fd;
2212 }
2213
2214 /*********************************************************************
2215 * _open (MSVCRT.@)
2216 */
2217 int CDECL MSVCRT__open( const char *path, int flags, ... )
2218 {
2219 __ms_va_list ap;
2220
2221 if (flags & MSVCRT__O_CREAT)
2222 {
2223 int pmode;
2224 __ms_va_start(ap, flags);
2225 pmode = va_arg(ap, int);
2226 __ms_va_end(ap);
2227 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
2228 }
2229 else
2230 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
2231 }
2232
2233 /*********************************************************************
2234 * _wopen (MSVCRT.@)
2235 */
2236 int CDECL MSVCRT__wopen(const MSVCRT_wchar_t *path,int flags,...)
2237 {
2238 __ms_va_list ap;
2239
2240 if (flags & MSVCRT__O_CREAT)
2241 {
2242 int pmode;
2243 __ms_va_start(ap, flags);
2244 pmode = va_arg(ap, int);
2245 __ms_va_end(ap);
2246 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode );
2247 }
2248 else
2249 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO);
2250 }
2251
2252 /*********************************************************************
2253 * _creat (MSVCRT.@)
2254 */
2255 int CDECL MSVCRT__creat(const char *path, int flags)
2256 {
2257 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
2258 return MSVCRT__open(path, usedFlags);
2259 }
2260
2261 /*********************************************************************
2262 * _wcreat (MSVCRT.@)
2263 */
2264 int CDECL MSVCRT__wcreat(const MSVCRT_wchar_t *path, int flags)
2265 {
2266 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
2267 return MSVCRT__wopen(path, usedFlags);
2268 }
2269
2270 /*********************************************************************
2271 * _open_osfhandle (MSVCRT.@)
2272 */
2273 int CDECL MSVCRT__open_osfhandle(MSVCRT_intptr_t handle, int oflags)
2274 {
2275 DWORD flags;
2276 int fd;
2277
2278 /* MSVCRT__O_RDONLY (0) always matches, so set the read flag
2279 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
2280 * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
2281 * text - it never sets MSVCRT__O_BINARY.
2282 */
2283 /* don't let split_oflags() decide the mode if no mode is passed */
2284 if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)))
2285 oflags |= MSVCRT__O_BINARY;
2286
2287 flags = GetFileType((HANDLE)handle);
2288 if (flags==FILE_TYPE_UNKNOWN && GetLastError()!=NO_ERROR)
2289 {
2290 msvcrt_set_errno(GetLastError());
2291 return -1;
2292 }
2293
2294 if (flags == FILE_TYPE_CHAR)
2295 flags = WX_NOSEEK;
2296 else if (flags == FILE_TYPE_PIPE)
2297 flags = WX_PIPE;
2298 else
2299 flags = 0;
2300 flags |= split_oflags(oflags);
2301
2302 fd = msvcrt_alloc_fd((HANDLE)handle, flags);
2303 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, flags);
2304 return fd;
2305 }
2306
2307 /*********************************************************************
2308 * _rmtmp (MSVCRT.@)
2309 */
2310 int CDECL MSVCRT__rmtmp(void)
2311 {
2312 int num_removed = 0, i;
2313 MSVCRT_FILE *file;
2314
2315 LOCK_FILES();
2316 for (i = 3; i < MSVCRT_stream_idx; i++) {
2317 file = msvcrt_get_file(i);
2318
2319 if (file->_tmpfname)
2320 {
2321 MSVCRT_fclose(file);
2322 num_removed++;
2323 }
2324 }
2325 UNLOCK_FILES();
2326
2327 if (num_removed)
2328 TRACE(":removed (%d) temp files\n",num_removed);
2329 return num_removed;
2330 }
2331
2332 static inline int get_utf8_char_len(char ch)
2333 {
2334 if((ch&0xf8) == 0xf0)
2335 return 4;
2336 else if((ch&0xf0) == 0xe0)
2337 return 3;
2338 else if((ch&0xe0) == 0xc0)
2339 return 2;
2340 return 1;
2341 }
2342
2343 /*********************************************************************
2344 * (internal) read_utf8
2345 */
2346 static int read_utf8(int fd, MSVCRT_wchar_t *buf, unsigned int count)
2347 {
2348 ioinfo *fdinfo = msvcrt_get_ioinfo(fd);
2349 HANDLE hand = fdinfo->handle;
2350 char min_buf[4], *readbuf, lookahead;
2351 DWORD readbuf_size, pos=0, num_read=1, char_len, i, j;
2352
2353 /* make the buffer big enough to hold at least one character */
2354 /* read bytes have to fit to output and lookahead buffers */
2355 count /= 2;
2356 readbuf_size = count < 4 ? 4 : count;
2357 if(readbuf_size<=4 || !(readbuf = MSVCRT_malloc(readbuf_size))) {
2358 readbuf_size = 4;
2359 readbuf = min_buf;
2360 }
2361
2362 if(fdinfo->lookahead[0] != '\n') {
2363 readbuf[pos++] = fdinfo->lookahead[0];
2364 fdinfo->lookahead[0] = '\n';
2365
2366 if(fdinfo->lookahead[1] != '\n') {
2367 readbuf[pos++] = fdinfo->lookahead[1];
2368 fdinfo->lookahead[1] = '\n';
2369
2370 if(fdinfo->lookahead[2] != '\n') {
2371 readbuf[pos++] = fdinfo->lookahead[2];
2372 fdinfo->lookahead[2] = '\n';
2373 }
2374 }
2375 }
2376
2377 /* NOTE: this case is broken in native dll, reading
2378 * sometimes fails when small buffer is passed
2379 */
2380 if(count < 4) {
2381 if(!pos && !ReadFile(hand, readbuf, 1, &num_read, NULL)) {
2382 if (GetLastError() == ERROR_BROKEN_PIPE) {
2383 fdinfo->wxflag |= WX_ATEOF;
2384 return 0;
2385 }else {
2386 msvcrt_set_errno(GetLastError());
2387 return -1;
2388 }
2389 }else if(!num_read) {
2390 fdinfo->wxflag |= WX_ATEOF;
2391 return 0;
2392 }else {
2393 pos++;
2394 }
2395
2396 char_len = get_utf8_char_len(readbuf[0]);
2397 if(char_len>pos) {
2398 if(ReadFile(hand, readbuf+pos, char_len-pos, &num_read, NULL))
2399 pos += num_read;
2400 }
2401
2402 if(readbuf[0] == '\n')
2403 fdinfo->wxflag |= WX_READNL;
2404 else
2405 fdinfo->wxflag &= ~WX_READNL;
2406
2407 if(readbuf[0] == 0x1a) {
2408 fdinfo->wxflag |= WX_ATEOF;
2409 return 0;
2410 }
2411
2412 if(readbuf[0] == '\r') {
2413 if(!ReadFile(hand, &lookahead, 1, &num_read, NULL) || num_read!=1)
2414 buf[0] = '\r';
2415 else if(lookahead == '\n')
2416 buf[0] = '\n';
2417 else {
2418 buf[0] = '\r';
2419 if(fdinfo->wxflag & (WX_PIPE | WX_NOSEEK))
2420 fdinfo->lookahead[0] = lookahead;
2421 else
2422 SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
2423 }
2424 return 2;
2425 }
2426
2427 if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
2428 msvcrt_set_errno(GetLastError());
2429 return -1;
2430 }
2431
2432 return num_read*2;
2433 }
2434
2435 if(!ReadFile(hand, readbuf+pos, readbuf_size-pos, &num_read, NULL)) {
2436 if(pos) {
2437 num_read = 0;
2438 }else if(GetLastError() == ERROR_BROKEN_PIPE) {
2439 fdinfo->wxflag |= WX_ATEOF;
2440 if (readbuf != min_buf) MSVCRT_free(readbuf);
2441 return 0;
2442 }else {
2443 msvcrt_set_errno(GetLastError());
2444 if (readbuf != min_buf) MSVCRT_free(readbuf);
2445 return -1;
2446 }
2447 }else if(!pos && !num_read) {
2448 fdinfo->wxflag |= WX_ATEOF;
2449 if (readbuf != min_buf) MSVCRT_free(readbuf);
2450 return 0;
2451 }
2452
2453 pos += num_read;
2454 if(readbuf[0] == '\n')
2455 fdinfo->wxflag |= WX_READNL;
2456 else
2457 fdinfo->wxflag &= ~WX_READNL;
2458
2459 /* Find first byte of last character (may be incomplete) */
2460 for(i=pos-1; i>0 && i>pos-4; i--)
2461 if((readbuf[i]&0xc0) != 0x80)
2462 break;
2463 char_len = get_utf8_char_len(readbuf[i]);
2464 if(char_len+i <= pos)
2465 i += char_len;
2466
2467 if(fdinfo->wxflag & (WX_PIPE | WX_NOSEEK)) {
2468 if(i < pos)
2469 fdinfo->lookahead[0] = readbuf[i];
2470 if(i+1 < pos)
2471 fdinfo->lookahead[1] = readbuf[i+1];
2472 if(i+2 < pos)
2473 fdinfo->lookahead[2] = readbuf[i+2];
2474 }else if(i < pos) {
2475 SetFilePointer(fdinfo->handle, i-pos, NULL, FILE_CURRENT);
2476 }
2477 pos = i;
2478
2479 for(i=0, j=0; i<pos; i++) {
2480 if(readbuf[i] == 0x1a) {
2481 fdinfo->wxflag |= WX_ATEOF;
2482 break;
2483 }
2484
2485 /* strip '\r' if followed by '\n' */
2486 if(readbuf[i] == '\r' && i+1==pos) {
2487 if(fdinfo->lookahead[0] != '\n' || !ReadFile(hand, &lookahead, 1, &num_read, NULL) || !num_read) {
2488 readbuf[j++] = '\r';
2489 }else if(lookahead == '\n' && j==0) {
2490 readbuf[j++] = '\n';
2491 }else {
2492 if(lookahead != '\n')
2493 readbuf[j++] = '\r';
2494
2495 if(fdinfo->wxflag & (WX_PIPE | WX_NOSEEK))
2496 fdinfo->lookahead[0] = lookahead;
2497 else
2498 SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
2499 }
2500 }else if(readbuf[i]!='\r' || readbuf[i+1]!='\n') {
2501 readbuf[j++] = readbuf[i];
2502 }
2503 }
2504 pos = j;
2505
2506 if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
2507 msvcrt_set_errno(GetLastError());
2508 if (readbuf != min_buf) MSVCRT_free(readbuf);
2509 return -1;
2510 }
2511
2512 if (readbuf != min_buf) MSVCRT_free(readbuf);
2513 return num_read*2;
2514 }
2515
2516 /*********************************************************************
2517 * (internal) read_i
2518 *
2519 * When reading \r as last character in text mode, read() positions
2520 * the file pointer on the \r character while getc() goes on to
2521 * the following \n
2522 */
2523 static int read_i(int fd, void *buf, unsigned int count)
2524 {
2525 DWORD num_read, utf16;
2526 char *bufstart = buf;
2527 HANDLE hand = msvcrt_fdtoh(fd);
2528 ioinfo *fdinfo = msvcrt_get_ioinfo(fd);
2529
2530 if (count == 0)
2531 return 0;
2532
2533 if (fdinfo->wxflag & WX_ATEOF) {
2534 TRACE("already at EOF, returning 0\n");
2535 return 0;
2536 }
2537 /* Don't trace small reads, it gets *very* annoying */
2538 if (count > 4)
2539 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
2540 if (hand == INVALID_HANDLE_VALUE)
2541 {
2542 *MSVCRT__errno() = MSVCRT_EBADF;
2543 return -1;
2544 }
2545
2546 utf16 = (fdinfo->exflag & EF_UTF16) != 0;
2547 if (((fdinfo->exflag&EF_UTF8) || utf16) && count&1)
2548 {
2549 *MSVCRT__errno() = MSVCRT_EINVAL;
2550 return -1;
2551 }
2552
2553 if((fdinfo->wxflag&WX_TEXT) && (fdinfo->exflag&EF_UTF8))
2554 return read_utf8(fd, buf, count);
2555
2556 if (fdinfo->lookahead[0]!='\n' || ReadFile(hand, bufstart, count, &num_read, NULL))
2557 {
2558 if (fdinfo->lookahead[0] != '\n')
2559 {
2560 bufstart[0] = fdinfo->lookahead[0];
2561 fdinfo->lookahead[0] = '\n';
2562
2563 if (utf16)
2564 {
2565 bufstart[1] = fdinfo->lookahead[1];
2566 fdinfo->lookahead[1] = '\n';
2567 }
2568
2569 if(count>1+utf16 && ReadFile(hand, bufstart+1+utf16, count-1-utf16, &num_read, NULL))
2570 num_read += 1+utf16;
2571 else
2572 num_read = 1+utf16;
2573 }
2574
2575 if(utf16 && (num_read&1))
2576 {
2577 /* msvcr90 uses uninitialized value from the buffer in this case */
2578 /* msvcrt ignores additional data */
2579 ERR("got odd number of bytes in UTF16 mode\n");
2580 num_read--;
2581 }
2582
2583 if (count != 0 && num_read == 0)
2584 {
2585 fdinfo->wxflag |= WX_ATEOF;
2586 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
2587 }
2588 else if (fdinfo->wxflag & WX_TEXT)
2589 {
2590 DWORD i, j;
2591
2592 if (bufstart[0]=='\n' && (!utf16 || bufstart[1]==0))
2593 fdinfo->wxflag |= WX_READNL;
2594 else
2595 fdinfo->wxflag &= ~WX_READNL;
2596
2597 for (i=0, j=0; i<num_read; i+=1+utf16)
2598 {
2599 /* in text mode, a ctrl-z signals EOF */
2600 if (bufstart[i]==0x1a && (!utf16 || bufstart[i+1]==0))
2601 {
2602 fdinfo->wxflag |= WX_ATEOF;
2603 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
2604 break;
2605 }
2606
2607 /* in text mode, strip \r if followed by \n */
2608 if (bufstart[i]=='\r' && (!utf16 || bufstart[i+1]==0) && i+1+utf16==num_read)
2609 {
2610 char lookahead[2];
2611 DWORD len;
2612
2613 lookahead[1] = '\n';
2614 if (ReadFile(hand, lookahead, 1+utf16, &len, NULL) && len)
2615 {
2616 if(lookahead[0]=='\n' && (!utf16 || lookahead[1]==0) && j==0)
2617 {
2618 bufstart[j++] = '\n';
2619 if(utf16) bufstart[j++] = 0;
2620 }
2621 else
2622 {
2623 if(lookahead[0]!='\n' || (utf16 && lookahead[1]!=0))
2624 {
2625 bufstart[j++] = '\r';
2626 if(utf16) bufstart[j++] = 0;
2627 }
2628
2629 if (fdinfo->wxflag & (WX_PIPE | WX_NOSEEK))
2630 {
2631 if (lookahead[0]=='\n' && (!utf16 || !lookahead[1]))
2632 {
2633 bufstart[j++] = '\n';
2634 if (utf16) bufstart[j++] = 0;
2635 }
2636 else
2637 {
2638 fdinfo->lookahead[0] = lookahead[0];
2639 fdinfo->lookahead[1] = lookahead[1];
2640 }
2641 }
2642 else
2643 SetFilePointer(fdinfo->handle, -1-utf16, NULL, FILE_CURRENT);
2644 }
2645 }
2646 else
2647 {
2648 bufstart[j++] = '\r';
2649 if(utf16) bufstart[j++] = 0;
2650 }
2651 }
2652 else if((bufstart[i]!='\r' || (utf16 && bufstart[i+1]!=0))
2653 || (bufstart[i+1+utf16]!='\n' || (utf16 && bufstart[i+3]!=0)))
2654 {
2655 bufstart[j++] = bufstart[i];
2656 if(utf16) bufstart[j++] = bufstart[i+1];
2657 }
2658 }
2659 num_read = j;
2660 }
2661 }
2662 else
2663 {
2664 if (GetLastError() == ERROR_BROKEN_PIPE)
2665 {
2666 TRACE(":end-of-pipe\n");
2667 fdinfo->wxflag |= WX_ATEOF;
2668 return 0;
2669 }
2670 else
2671 {
2672 TRACE(":failed-last error (%d)\n",GetLastError());
2673 return -1;
2674 }
2675 }
2676
2677 if (count > 4)
2678 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
2679 return num_read;
2680 }
2681
2682 /*********************************************************************
2683 * _read (MSVCRT.@)
2684 */
2685 int CDECL MSVCRT__read(int fd, void *buf, unsigned int count)
2686 {
2687 int num_read;
2688 num_read = read_i(fd, buf, count);
2689 return num_read;
2690 }
2691
2692 /*********************************************************************
2693 * _setmode (MSVCRT.@)
2694 */
2695 int CDECL MSVCRT__setmode(int fd,int mode)
2696 {
2697 int ret = msvcrt_get_ioinfo(fd)->wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
2698 if(ret==MSVCRT__O_TEXT && (msvcrt_get_ioinfo(fd)->exflag & (EF_UTF8|EF_UTF16)))
2699 ret = MSVCRT__O_WTEXT;
2700
2701 if(mode!=MSVCRT__O_TEXT && mode!=MSVCRT__O_BINARY && mode!=MSVCRT__O_WTEXT
2702 && mode!=MSVCRT__O_U16TEXT && mode!=MSVCRT__O_U8TEXT) {
2703 *MSVCRT__errno() = MSVCRT_EINVAL;
2704 return -1;
2705 }
2706
2707 if(mode == MSVCRT__O_BINARY) {
2708 msvcrt_get_ioinfo(fd)->wxflag &= ~WX_TEXT;
2709 msvcrt_get_ioinfo(fd)->exflag &= ~(EF_UTF8|EF_UTF16);
2710 return ret;
2711 }
2712
2713 msvcrt_get_ioinfo(fd)->wxflag |= WX_TEXT;
2714 if(mode == MSVCRT__O_TEXT)
2715 msvcrt_get_ioinfo(fd)->exflag &= ~(EF_UTF8|EF_UTF16);
2716 else if(mode == MSVCRT__O_U8TEXT)
2717 msvcrt_get_ioinfo(fd)->exflag = (msvcrt_get_ioinfo(fd)->exflag & ~EF_UTF16) | EF_UTF8;
2718 else
2719 msvcrt_get_ioinfo(fd)->exflag = (msvcrt_get_ioinfo(fd)->exflag & ~EF_UTF8) | EF_UTF16;
2720
2721 return ret;
2722 }
2723
2724 /*********************************************************************
2725 * _stat64 (MSVCRT.@)
2726 */
2727 int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
2728 {
2729 DWORD dw;
2730 WIN32_FILE_ATTRIBUTE_DATA hfi;
2731 unsigned short mode = ALL_S_IREAD;
2732 int plen;
2733
2734 TRACE(":file (%s) buf(%p)\n",path,buf);
2735
2736 plen = strlen(path);
2737 while (plen && path[plen-1]==' ')
2738 plen--;
2739
2740 if (plen && (plen<2 || path[plen-2]!=':') &&
2741 (path[plen-1]==':' || path[plen-1]=='\\' || path[plen-1]=='/'))
2742 {
2743 *MSVCRT__errno() = MSVCRT_ENOENT;
2744 return -1;
2745 }
2746
2747 if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
2748 {
2749 TRACE("failed (%d)\n",GetLastError());
2750 *MSVCRT__errno() = MSVCRT_ENOENT;
2751 return -1;
2752 }
2753
2754 memset(buf,0,sizeof(struct MSVCRT__stat64));
2755
2756 /* FIXME: rdev isn't drive num, despite what the docs say-what is it?
2757 Bon 011120: This FIXME seems incorrect
2758 Also a letter as first char isn't enough to be classified
2759 as a drive letter
2760 */
2761 if (isalpha(*path)&& (*(path+1)==':'))
2762 buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
2763 else
2764 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2765
2766 /* Dir, or regular file? */
2767 if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
2768 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2769 else
2770 {
2771 mode |= MSVCRT__S_IFREG;
2772 /* executable? */
2773 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2774 {
2775 unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
2776 (tolower(path[plen-3]) << 16);
2777 if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
2778 mode |= ALL_S_IEXEC;
2779 }
2780 }
2781
2782 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2783 mode |= ALL_S_IWRITE;
2784
2785 buf->st_mode = mode;
2786 buf->st_nlink = 1;
2787 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2788 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2789 buf->st_atime = dw;
2790 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2791 buf->st_mtime = buf->st_ctime = dw;
2792 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2793 (int)(buf->st_size >> 32),(int)buf->st_size,
2794 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2795 return 0;
2796 }
2797
2798 /*********************************************************************
2799 * _stati64 (MSVCRT.@)
2800 */
2801 int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf)
2802 {
2803 int ret;
2804 struct MSVCRT__stat64 buf64;
2805
2806 ret = MSVCRT_stat64(path, &buf64);
2807 if (!ret)
2808 msvcrt_stat64_to_stati64(&buf64, buf);
2809 return ret;
2810 }
2811
2812 /*********************************************************************
2813 * _stat (MSVCRT.@)
2814 */
2815 int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf)
2816 {
2817 int ret;
2818 struct MSVCRT__stat64 buf64;
2819
2820 ret = MSVCRT_stat64( path, &buf64);
2821 if (!ret)
2822 msvcrt_stat64_to_stat(&buf64, buf);
2823 return ret;
2824 }
2825
2826 /*********************************************************************
2827 * _stat32 (MSVCR100.@)
2828 */
2829 int CDECL MSVCRT__stat32(const char *path, struct MSVCRT__stat32 *buf)
2830 {
2831 int ret;
2832 struct MSVCRT__stat64 buf64;
2833
2834 ret = MSVCRT_stat64(path, &buf64);
2835 if (!ret)
2836 msvcrt_stat64_to_stat32(&buf64, buf);
2837 return ret;
2838 }
2839
2840 /*********************************************************************
2841 * _stat32i64 (MSVCR100.@)
2842 */
2843 int CDECL MSVCRT__stat32i64(const char *path, struct MSVCRT__stat32i64 *buf)
2844 {
2845 int ret;
2846 struct MSVCRT__stat64 buf64;
2847
2848 ret = MSVCRT_stat64(path, &buf64);
2849 if (!ret)
2850 msvcrt_stat64_to_stat32i64(&buf64, buf);
2851 return ret;
2852 }
2853
2854 /*********************************************************************
2855 * _stat64i32 (MSVCR100.@)
2856 */
2857 int CDECL MSVCRT__stat64i32(const char* path, struct MSVCRT__stat64i32 *buf)
2858 {
2859 int ret;
2860 struct MSVCRT__stat64 buf64;
2861
2862 ret = MSVCRT_stat64(path, &buf64);
2863 if (!ret)
2864 msvcrt_stat64_to_stat64i32(&buf64, buf);
2865 return ret;
2866 }
2867
2868 /*********************************************************************
2869 * _wstat64 (MSVCRT.@)
2870 */
2871 int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf)
2872 {
2873 DWORD dw;
2874 WIN32_FILE_ATTRIBUTE_DATA hfi;
2875 unsigned short mode = ALL_S_IREAD;
2876 int plen;
2877
2878 TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
2879
2880 plen = strlenW(path);
2881 while (plen && path[plen-1]==' ')
2882 plen--;
2883
2884 if(plen && (plen<2 || path[plen-2]!=':') &&
2885 (path[plen-1]==':' || path[plen-1]=='\\' || path[plen-1]=='/'))
2886 {
2887 *MSVCRT__errno() = MSVCRT_ENOENT;
2888 return -1;
2889 }
2890
2891 if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
2892 {
2893 TRACE("failed (%d)\n",GetLastError());
2894 *MSVCRT__errno() = MSVCRT_ENOENT;
2895 return -1;
2896 }
2897
2898 memset(buf,0,sizeof(struct MSVCRT__stat64));
2899
2900 /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
2901 if (MSVCRT_iswalpha(*path))
2902 buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
2903 else
2904 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2905
2906 /* Dir, or regular file? */
2907 if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
2908 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2909 else
2910 {
2911 mode |= MSVCRT__S_IFREG;
2912 /* executable? */
2913 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2914 {
2915 ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
2916 ((ULONGLONG)tolowerW(path[plen-3]) << 32);
2917 if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
2918 mode |= ALL_S_IEXEC;
2919 }
2920 }
2921
2922 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2923 mode |= ALL_S_IWRITE;
2924
2925 buf->st_mode = mode;
2926 buf->st_nlink = 1;
2927 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2928 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2929 buf->st_atime = dw;
2930 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2931 buf->st_mtime = buf->st_ctime = dw;
2932 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2933 (int)(buf->st_size >> 32),(int)buf->st_size,
2934 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2935 return 0;
2936 }
2937
2938 /*********************************************************************
2939 * _wstati64 (MSVCRT.@)
2940 */
2941 int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
2942 {
2943 int ret;
2944 struct MSVCRT__stat64 buf64;
2945
2946 ret = MSVCRT__wstat64(path, &buf64);
2947 if (!ret)
2948 msvcrt_stat64_to_stati64(&buf64, buf);
2949 return ret;
2950 }
2951
2952 /*********************************************************************
2953 * _wstat (MSVCRT.@)
2954 */
2955 int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
2956 {
2957 int ret;
2958 struct MSVCRT__stat64 buf64;
2959
2960 ret = MSVCRT__wstat64( path, &buf64 );
2961 if (!ret) msvcrt_stat64_to_stat(&buf64, buf);
2962 return ret;
2963 }
2964
2965 /*********************************************************************
2966 * _wstat32 (MSVCR100.@)
2967 */
2968 int CDECL MSVCRT__wstat32(const MSVCRT_wchar_t *path, struct MSVCRT__stat32 *buf)
2969 {
2970 int ret;
2971 struct MSVCRT__stat64 buf64;
2972
2973 ret = MSVCRT__wstat64(path, &buf64);
2974 if (!ret)
2975 msvcrt_stat64_to_stat32(&buf64, buf);
2976 return ret;
2977 }
2978
2979 /*********************************************************************
2980 * _wstat32i64 (MSVCR100.@)
2981 */
2982 int CDECL MSVCRT__wstat32i64(const MSVCRT_wchar_t *path, struct MSVCRT__stat32i64 *buf)
2983 {
2984 int ret;
2985 struct MSVCRT__stat64 buf64;
2986
2987 ret = MSVCRT__wstat64(path, &buf64);
2988 if (!ret)
2989 msvcrt_stat64_to_stat32i64(&buf64, buf);
2990 return ret;
2991 }
2992
2993 /*********************************************************************
2994 * _wstat64i32 (MSVCR100.@)
2995 */
2996 int CDECL MSVCRT__wstat64i32(const MSVCRT_wchar_t *path, struct MSVCRT__stat64i32 *buf)
2997 {
2998 int ret;
2999 struct MSVCRT__stat64 buf64;
3000
3001 ret = MSVCRT__wstat64(path, &buf64);
3002 if (!ret)
3003 msvcrt_stat64_to_stat64i32(&buf64, buf);
3004 return ret;
3005 }
3006
3007 /*********************************************************************
3008 * _tell (MSVCRT.@)
3009 */
3010 MSVCRT_long CDECL MSVCRT__tell(int fd)
3011 {
3012 return MSVCRT__lseek(fd, 0, SEEK_CUR);
3013 }
3014
3015 /*********************************************************************
3016 * _telli64 (MSVCRT.@)
3017 */
3018 __int64 CDECL _telli64(int fd)
3019 {
3020 return MSVCRT__lseeki64(fd, 0, SEEK_CUR);
3021 }
3022
3023 /*********************************************************************
3024 * _tempnam (MSVCRT.@)
3025 */
3026 char * CDECL MSVCRT__tempnam(const char *dir, const char *prefix)
3027 {
3028 char tmpbuf[MAX_PATH];
3029 const char *tmp_dir = MSVCRT_getenv("TMP");
3030
3031 if (tmp_dir) dir = tmp_dir;
3032
3033 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
3034 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
3035 {
3036 TRACE("got name (%s)\n",tmpbuf);
3037 DeleteFileA(tmpbuf);
3038 return MSVCRT__strdup(tmpbuf);
3039 }
3040 TRACE("failed (%d)\n",GetLastError());
3041 return NULL;
3042 }
3043
3044 /*********************************************************************
3045 * _wtempnam (MSVCRT.@)
3046 */
3047 MSVCRT_wchar_t * CDECL MSVCRT__wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
3048 {
3049 static const MSVCRT_wchar_t tmpW[] = {'T','M','P',0};
3050 MSVCRT_wchar_t tmpbuf[MAX_PATH];
3051 const MSVCRT_wchar_t *tmp_dir = MSVCRT__wgetenv(tmpW);
3052
3053 if (tmp_dir) dir = tmp_dir;
3054
3055 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
3056 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
3057 {
3058 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
3059 DeleteFileW(tmpbuf);
3060 return MSVCRT__wcsdup(tmpbuf);
3061 }
3062 TRACE("failed (%d)\n",GetLastError());
3063 return NULL;
3064 }
3065
3066 /*********************************************************************
3067 * _umask (MSVCRT.@)
3068 */
3069 int CDECL MSVCRT__umask(int umask)
3070 {
3071 int old_umask = MSVCRT_umask;
3072 TRACE("(%d)\n",umask);
3073 MSVCRT_umask = umask;
3074 return old_umask;
3075 }
3076
3077 /*********************************************************************
3078 * _utime64 (MSVCRT.@)
3079 */
3080 int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t)
3081 {
3082 int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
3083
3084 if (fd > 0)
3085 {
3086 int retVal = _futime64(fd, t);
3087 MSVCRT__close(fd);
3088 return retVal;
3089 }
3090 return -1;
3091 }
3092
3093 /*********************************************************************
3094 * _utime32 (MSVCRT.@)
3095 */
3096 int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t)
3097 {
3098 if (t)
3099 {
3100 struct MSVCRT___utimbuf64 t64;
3101 t64.actime = t->actime;
3102 t64.modtime = t->modtime;
3103 return _utime64( path, &t64 );
3104 }
3105 else
3106 return _utime64( path, NULL );
3107 }
3108
3109 /*********************************************************************
3110 * _utime (MSVCRT.@)
3111 */
3112 #ifdef _WIN64
3113 int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t)
3114 {
3115 return _utime64( path, t );
3116 }
3117 #else
3118 int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t)
3119 {
3120 return _utime32( path, t );
3121 }
3122 #endif
3123
3124 /*********************************************************************
3125 * _wutime64 (MSVCRT.@)
3126 */
3127 int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
3128 {
3129 int fd = MSVCRT__wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
3130
3131 if (fd > 0)
3132 {
3133 int retVal = _futime64(fd, t);
3134 MSVCRT__close(fd);
3135 return retVal;
3136 }
3137 return -1;
3138 }
3139
3140 /*********************************************************************
3141 * _wutime32 (MSVCRT.@)
3142 */
3143 int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
3144 {
3145 if (t)
3146 {
3147 struct MSVCRT___utimbuf64 t64;
3148 t64.actime = t->actime;
3149 t64.modtime = t->modtime;
3150 return _wutime64( path, &t64 );
3151 }
3152 else
3153 return _wutime64( path, NULL );
3154 }
3155
3156 /*********************************************************************
3157 * _wutime (MSVCRT.@)
3158 */
3159 #ifdef _WIN64
3160 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
3161 {
3162 return _wutime64( path, t );
3163 }
3164 #else
3165 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
3166 {
3167 return _wutime32( path, t );
3168 }
3169 #endif
3170
3171 /*********************************************************************
3172 * _write (MSVCRT.@)
3173 */
3174 int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
3175 {
3176 DWORD num_written;
3177 ioinfo *info = msvcrt_get_ioinfo(fd);
3178 HANDLE hand = info->handle;
3179
3180 /* Don't trace small writes, it gets *very* annoying */
3181 #if 0
3182 if (count > 32)
3183 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
3184 #endif
3185 if (hand == INVALID_HANDLE_VALUE)
3186 {
3187 *MSVCRT__errno() = MSVCRT_EBADF;
3188 return -1;
3189 }
3190
3191 if (((info->exflag&EF_UTF8) || (info->exflag&EF_UTF16)) && count&1)
3192 {
3193 *MSVCRT__errno() = MSVCRT_EINVAL;
3194 return -1;
3195 }
3196
3197 /* If appending, go to EOF */
3198 if (info->wxflag & WX_APPEND)
3199 MSVCRT__lseek(fd, 0, FILE_END);
3200
3201 if (!(info->wxflag & WX_TEXT))
3202 {
3203 if (WriteFile(hand, buf, count, &num_written, NULL)
3204 && (num_written == count))
3205 return num_written;
3206 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
3207 hand, GetLastError());
3208 *MSVCRT__errno() = MSVCRT_ENOSPC;
3209 }
3210 else
3211 {
3212 unsigned int i, j, nr_lf, size;
3213 char *p = NULL;
3214 const char *q;
3215 const char *s = buf, *buf_start = buf;
3216
3217 if (!(info->exflag & (EF_UTF8|EF_UTF16)))
3218 {
3219 /* find number of \n */
3220 for (nr_lf=0, i=0; i<count; i++)
3221 if (s[i] == '\n')
3222 nr_lf++;
3223 if (nr_lf)
3224 {
3225 size = count+nr_lf;
3226 if ((q = p = MSVCRT_malloc(size)))
3227 {
3228 for (s = buf, i = 0, j = 0; i < count; i++)
3229 {
3230 if (s[i] == '\n')
3231 p[j++] = '\r';
3232 p[j++] = s[i];
3233 }
3234 }
3235 else
3236 {
3237 FIXME("Malloc failed\n");
3238 nr_lf = 0;
3239 size = count;
3240 q = buf;
3241 }
3242 }
3243 else
3244 {
3245 size = count;
3246 q = buf;
3247 }
3248 }
3249 else if (info->exflag & EF_UTF16)
3250 {
3251 for (nr_lf=0, i=0; i<count; i+=2)
3252 if (s[i]=='\n' && s[i+1]==0)
3253 nr_lf += 2;
3254 if (nr_lf)
3255 {
3256 size = count+nr_lf;
3257 if ((q = p = MSVCRT_malloc(size)))
3258 {
3259 for (s=buf, i=0, j=0; i<count; i++)
3260 {
3261 if (s[i]=='\n' && s[i+1]==0)
3262 {
3263 p[j++] = '\r';
3264 p[j++] = 0;
3265 }
3266 p[j++] = s[i++];
3267 p[j++] = s[i];
3268 }
3269 }
3270 else
3271 {
3272 FIXME("Malloc failed\n");
3273 nr_lf = 0;
3274 size = count;
3275 q = buf;
3276 }
3277 }
3278 else
3279 {
3280 size = count;
3281 q = buf;
3282 }
3283 }
3284 else
3285 {
3286 DWORD conv_len;
3287
3288 for(nr_lf=0, i=0; i<count; i+=2)
3289 if (s[i]=='\n' && s[i+1]==0)
3290 nr_lf++;
3291
3292 conv_len = WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)buf, count/2, NULL, 0, NULL, NULL);
3293 if(!conv_len) {
3294 msvcrt_set_errno(GetLastError());
3295 MSVCRT_free(p);
3296 return -1;
3297 }
3298
3299 size = conv_len+nr_lf;
3300 if((p = MSVCRT_malloc(count+nr_lf*2+size)))
3301 {
3302 for (s=buf, i=0, j=0; i<count; i++)
3303 {
3304 if (s[i]=='\n' && s[i+1]==0)
3305 {
3306 p[j++] = '\r';
3307 p[j++] = 0;
3308 }
3309 p[j++] = s[i++];
3310 p[j++] = s[i];
3311 }
3312 q = p+count+nr_lf*2;
3313 WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)p, count/2+nr_lf,
3314 p+count+nr_lf*2, conv_len+nr_lf, NULL, NULL);
3315 }
3316 else
3317 {
3318 FIXME("Malloc failed\n");
3319 nr_lf = 0;
3320 size = count;
3321 q = buf;
3322 }
3323 }
3324
3325 if (!WriteFile(hand, q, size, &num_written, NULL))
3326 num_written = -1;
3327 if(p)
3328 MSVCRT_free(p);
3329 if (num_written != size)
3330 {
3331 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
3332 fd, hand, GetLastError(), num_written);
3333 *MSVCRT__errno() = MSVCRT_ENOSPC;
3334 return s - buf_start;
3335 }
3336 return count;
3337 }
3338
3339 return -1;
3340 }
3341
3342 /*********************************************************************
3343 * _putw (MSVCRT.@)
3344 */
3345 int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
3346 {
3347 int len;
3348
3349 MSVCRT__lock_file(file);
3350 len = MSVCRT__write(file->_file, &val, sizeof(val));
3351 if (len == sizeof(val)) {
3352 MSVCRT__unlock_file(file);
3353 return val;
3354 }
3355
3356 file->_flag |= MSVCRT__IOERR;
3357 MSVCRT__unlock_file(file);
3358 return MSVCRT_EOF;
3359 }
3360
3361 /*********************************************************************
3362 * fclose (MSVCRT.@)
3363 */
3364 int CDECL MSVCRT_fclose(MSVCRT_FILE* file)
3365 {
3366 int r, flag;
3367
3368 MSVCRT__lock_file(file);
3369 flag = file->_flag;
3370 MSVCRT_free(file->_tmpfname);
3371 file->_tmpfname = NULL;
3372 /* flush stdio buffers */
3373 if(file->_flag & MSVCRT__IOWRT)
3374 MSVCRT_fflush(file);
3375 if(file->_flag & MSVCRT__IOMYBUF)
3376 MSVCRT_free(file->_base);
3377
3378 r=MSVCRT__close(file->_file);
3379
3380 file->_flag = 0;
3381 MSVCRT__unlock_file(file);
3382
3383 return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
3384 }
3385
3386 /*********************************************************************
3387 * feof (MSVCRT.@)
3388 */
3389 int CDECL MSVCRT_feof(MSVCRT_FILE* file)
3390 {
3391 return file->_flag & MSVCRT__IOEOF;
3392 }
3393
3394 /*********************************************************************
3395 * ferror (MSVCRT.@)
3396 */
3397 int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
3398 {
3399 return file->_flag & MSVCRT__IOERR;
3400 }
3401
3402 /*********************************************************************
3403 * _filbuf (MSVCRT.@)
3404 */
3405 int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
3406 {
3407 unsigned char c;
3408 MSVCRT__lock_file(file);
3409
3410 if(file->_flag & MSVCRT__IOSTRG) {
3411 MSVCRT__unlock_file(file);
3412 return MSVCRT_EOF;
3413 }
3414
3415 /* Allocate buffer if needed */
3416 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF))
3417 msvcrt_alloc_buffer(file);
3418
3419 if(!(file->_flag & MSVCRT__IOREAD)) {
3420 if(file->_flag & MSVCRT__IORW)
3421 file->_flag |= MSVCRT__IOREAD;
3422 else {
3423 MSVCRT__unlock_file(file);
3424 return MSVCRT_EOF;
3425 }
3426 }
3427
3428 if(file->_flag & MSVCRT__IONBF) {
3429 int r;
3430 if ((r = read_i(file->_file,&c,1)) != 1) {
3431 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
3432 MSVCRT__unlock_file(file);
3433 return MSVCRT_EOF;
3434 }
3435
3436 MSVCRT__unlock_file(file);
3437 return c;
3438 } else {
3439 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
3440 if(file->_cnt<=0) {
3441 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
3442 file->_cnt = 0;
3443 MSVCRT__unlock_file(file);
3444 return MSVCRT_EOF;
3445 }
3446
3447 file->_cnt--;
3448 file->_ptr = file->_base+1;
3449 c = *(unsigned char *)file->_base;
3450 MSVCRT__unlock_file(file);
3451 return c;
3452 }
3453 }
3454
3455 /*********************************************************************
3456 * fgetc (MSVCRT.@)
3457 */
3458 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
3459 {
3460 unsigned char *i;
3461 unsigned int j;
3462
3463 MSVCRT__lock_file(file);
3464 if (file->_cnt>0) {
3465 file->_cnt--;
3466 i = (unsigned char *)file->_ptr++;
3467 j = *i;
3468 } else
3469 j = MSVCRT__filbuf(file);
3470
3471 MSVCRT__unlock_file(file);
3472 return j;
3473 }
3474
3475 /*********************************************************************
3476 * _fgetchar (MSVCRT.@)
3477 */
3478 int CDECL MSVCRT__fgetchar(void)
3479 {
3480 return MSVCRT_fgetc(MSVCRT_stdin);
3481 }
3482
3483 /*********************************************************************
3484 * fgets (MSVCRT.@)
3485 */
3486 char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
3487 {
3488 int cc = MSVCRT_EOF;
3489 char * buf_start = s;
3490
3491 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
3492 file,file->_file,s,size);
3493
3494 MSVCRT__lock_file(file);
3495
3496 while ((size >1) && (cc = MSVCRT_fgetc(file)) != MSVCRT_EOF && cc != '\n')
3497 {
3498 *s++ = (char)cc;
3499 size --;
3500 }
3501 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
3502 {
3503 TRACE(":nothing read\n");
3504 MSVCRT__unlock_file(file);
3505 return NULL;
3506 }
3507 if ((cc != MSVCRT_EOF) && (size > 1))
3508 *s++ = cc;
3509 *s = '\0';
3510 TRACE(":got %s\n", debugstr_a(buf_start));
3511 MSVCRT__unlock_file(file);
3512 return buf_start;
3513 }
3514
3515 /*********************************************************************
3516 * fgetwc (MSVCRT.@)
3517 */
3518 MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
3519 {
3520 MSVCRT_wint_t ret;
3521 int ch;
3522
3523 MSVCRT__lock_file(file);
3524
3525 if((msvcrt_get_ioinfo(file->_file)->exflag & (EF_UTF8 | EF_UTF16))
3526 || !(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3527 char *p;
3528
3529 for(p=(char*)&ret; (MSVCRT_wint_t*)p<&ret+1; p++) {
3530 ch = MSVCRT_fgetc(file);
3531 if(ch == MSVCRT_EOF) {
3532 ret = MSVCRT_WEOF;
3533 break;
3534 }
3535 *p = (char)ch;
3536 }
3537 }else {
3538 char mbs[MSVCRT_MB_LEN_MAX];
3539 int len = 0;
3540
3541 ch = MSVCRT_fgetc(file);
3542 if(ch != MSVCRT_EOF) {
3543 mbs[0] = (char)ch;
3544 if(MSVCRT_isleadbyte((unsigned char)mbs[0])) {
3545 ch = MSVCRT_fgetc(file);
3546 if(ch != MSVCRT_EOF) {
3547 mbs[1] = (char)ch;
3548 len = 2;
3549 }
3550 }else {
3551 len = 1;
3552 }
3553 }
3554
3555 if(!len || MSVCRT_mbtowc(&ret, mbs, len)==-1)
3556 ret = MSVCRT_WEOF;
3557 }
3558
3559 MSVCRT__unlock_file(file);
3560 return ret;
3561 }
3562
3563 /*********************************************************************
3564 * _getw (MSVCRT.@)
3565 */
3566 int CDECL MSVCRT__getw(MSVCRT_FILE* file)
3567 {
3568 char *ch;
3569 int i, k;
3570 unsigned int j;
3571 ch = (char *)&i;
3572
3573 MSVCRT__lock_file(file);
3574 for (j=0; j<sizeof(int); j++) {
3575 k = MSVCRT_fgetc(file);
3576 if (k == MSVCRT_EOF) {
3577 file->_flag |= MSVCRT__IOEOF;
3578 MSVCRT__unlock_file(file);
3579 return EOF;
3580 }
3581 ch[j] = k;
3582 }
3583
3584 MSVCRT__unlock_file(file);
3585 return i;
3586 }
3587
3588 /*********************************************************************
3589 * getwc (MSVCRT.@)
3590 */
3591 MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
3592 {
3593 return MSVCRT_fgetwc(file);
3594 }
3595
3596 /*********************************************************************
3597 * _fgetwchar (MSVCRT.@)
3598 */
3599 MSVCRT_wint_t CDECL MSVCRT__fgetwchar(void)
3600 {
3601 return MSVCRT_fgetwc(MSVCRT_stdin);
3602 }
3603
3604 /*********************************************************************
3605 * getwchar (MSVCRT.@)
3606 */
3607 MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
3608 {
3609 return MSVCRT__fgetwchar();
3610 }
3611
3612 /*********************************************************************
3613 * fgetws (MSVCRT.@)
3614 */
3615 MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
3616 {
3617 MSVCRT_wint_t cc = MSVCRT_WEOF;
3618 MSVCRT_wchar_t * buf_start = s;
3619
3620 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
3621 file,file->_file,s,size);
3622
3623 MSVCRT__lock_file(file);
3624
3625 while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n')
3626 {
3627 *s++ = cc;
3628 size --;
3629 }
3630 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
3631 {
3632 TRACE(":nothing read\n");
3633 MSVCRT__unlock_file(file);
3634 return NULL;
3635 }
3636 if ((cc != MSVCRT_WEOF) && (size > 1))
3637 *s++ = cc;
3638 *s = 0;
3639 TRACE(":got %s\n", debugstr_w(buf_start));
3640 MSVCRT__unlock_file(file);
3641 return buf_start;
3642 }
3643
3644 /*********************************************************************
3645 * _flsbuf (MSVCRT.@)
3646 */
3647 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
3648 {
3649 /* Flush output buffer */
3650 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
3651 msvcrt_alloc_buffer(file);
3652 }
3653 if(!(file->_flag & MSVCRT__IOWRT)) {
3654 if(file->_flag & MSVCRT__IORW)
3655 file->_flag |= MSVCRT__IOWRT;
3656 else
3657 return MSVCRT_EOF;
3658 }
3659 if(file->_bufsiz) {
3660 int res = 0;
3661
3662 if(file->_cnt <= 0)
3663 res = msvcrt_flush_buffer(file);
3664 if(!res) {
3665 *file->_ptr++ = c;
3666 file->_cnt--;
3667 }
3668
3669 return res ? res : c&0xff;
3670 } else {
3671 unsigned char cc=c;
3672 int len;
3673 /* set _cnt to 0 for unbuffered FILEs */
3674 file->_cnt = 0;
3675 len = MSVCRT__write(file->_file, &cc, 1);
3676 if (len == 1)
3677 return c & 0xff;
3678 file->_flag |= MSVCRT__IOERR;
3679 return MSVCRT_EOF;
3680 }
3681 }
3682
3683 /*********************************************************************
3684 * fwrite (MSVCRT.@)
3685 */
3686 MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3687 {
3688 MSVCRT_size_t wrcnt=size * nmemb;
3689 int written = 0;
3690 if (size == 0)
3691 return 0;
3692
3693 MSVCRT__lock_file(file);
3694
3695 while(wrcnt) {
3696 if(file->_cnt < 0) {
3697 WARN("negative file->_cnt value in %p\n", file);
3698 file->_flag |= MSVCRT__IOERR;
3699 break;
3700 } else if(file->_cnt) {
3701 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
3702 memcpy(file->_ptr, ptr, pcnt);
3703 file->_cnt -= pcnt;
3704 file->_ptr += pcnt;
3705 written += pcnt;
3706 wrcnt -= pcnt;
3707 ptr = (const char*)ptr + pcnt;
3708 } else if(!file->_bufsiz && (file->_flag & MSVCRT__IONBF)) {
3709 if(!(file->_flag & MSVCRT__IOWRT)) {
3710 if(file->_flag & MSVCRT__IORW)
3711 file->_flag |= MSVCRT__IOWRT;
3712 else
3713 break;
3714 }
3715
3716 if(MSVCRT__write(file->_file, ptr, wrcnt) <= 0) {
3717 file->_flag |= MSVCRT__IOERR;
3718 break;
3719 }
3720 written += wrcnt;
3721 wrcnt = 0;
3722 } else {
3723 if(MSVCRT__flsbuf(*(const char*)ptr, file) == MSVCRT_EOF)
3724 break;
3725 written++;
3726 wrcnt--;
3727 ptr = (const char*)ptr + 1;
3728 }
3729 }
3730
3731 MSVCRT__unlock_file(file);
3732 return written / size;
3733 }
3734
3735 /*********************************************************************
3736 * fputwc (MSVCRT.@)
3737 */
3738 MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
3739 {
3740 MSVCRT_wchar_t mwc=wc;
3741 ioinfo *fdinfo;
3742 MSVCRT_wint_t ret;
3743
3744 MSVCRT__lock_file(file);
3745 fdinfo = msvcrt_get_ioinfo(file->_file);
3746
3747 if((fdinfo->wxflag&WX_TEXT) && !(fdinfo->exflag&(EF_UTF8|EF_UTF16))) {
3748 char buf[MSVCRT_MB_LEN_MAX];
3749 int char_len;
3750
3751 char_len = MSVCRT_wctomb(buf, mwc);
3752 if(char_len!=-1 && MSVCRT_fwrite(buf, char_len, 1, file)==1)
3753 ret = wc;
3754 else
3755 ret = MSVCRT_WEOF;
3756 }else if(MSVCRT_fwrite(&mwc, sizeof(mwc), 1, file) == 1) {
3757 ret = wc;
3758 }else {
3759 ret = MSVCRT_WEOF;
3760 }
3761
3762 MSVCRT__unlock_file(file);
3763 return ret;
3764 }
3765
3766 /*********************************************************************
3767 * _fputwchar (MSVCRT.@)
3768 */
3769 MSVCRT_wint_t CDECL MSVCRT__fputwchar(MSVCRT_wint_t wc)
3770 {
3771 return MSVCRT_fputwc(wc, MSVCRT_stdout);
3772 }
3773
3774 /*********************************************************************
3775 * _wfsopen (MSVCRT.@)
3776 */
3777 MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
3778 {
3779 MSVCRT_FILE* file;
3780 int open_flags, stream_flags, fd;
3781
3782 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
3783
3784 /* map mode string to open() flags. "man fopen" for possibilities. */
3785 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
3786 return NULL;
3787
3788 LOCK_FILES();
3789 fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
3790 if (fd < 0)
3791 file = NULL;
3792 else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
3793 != -1)
3794 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
3795 else if (file)
3796 {
3797 file->_flag = 0;
3798 file = NULL;
3799 }
3800
3801 TRACE(":got (%p)\n",file);
3802 if (fd >= 0 && !file)
3803 MSVCRT__close(fd);
3804 UNLOCK_FILES();
3805 return file;
3806 }
3807
3808 /*********************************************************************
3809 * _fsopen (MSVCRT.@)
3810 */
3811 MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
3812 {
3813 MSVCRT_FILE *ret;
3814 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3815
3816 if (path && !(pathW = msvcrt_wstrdupa(path))) {
3817 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3818 *MSVCRT__errno() = MSVCRT_EINVAL;
3819 return NULL;
3820 }
3821 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3822 {
3823 MSVCRT_free(pathW);
3824 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3825 *MSVCRT__errno() = MSVCRT_EINVAL;
3826 return NULL;
3827 }
3828
3829 ret = MSVCRT__wfsopen(pathW, modeW, share);
3830
3831 MSVCRT_free(pathW);
3832 MSVCRT_free(modeW);
3833 return ret;
3834 }
3835
3836 /*********************************************************************
3837 * fopen (MSVCRT.@)
3838 */
3839 MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
3840 {
3841 return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
3842 }
3843
3844 /*********************************************************************
3845 * fopen_s (MSVCRT.@)
3846 */
3847 int CDECL MSVCRT_fopen_s(MSVCRT_FILE** pFile,
3848 const char *filename, const char *mode)
3849 {
3850 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3851 if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
3852 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3853
3854 *pFile = MSVCRT_fopen(filename, mode);
3855
3856 if(!*pFile)
3857 return *MSVCRT__errno();
3858 return 0;
3859 }
3860
3861 /*********************************************************************
3862 * _wfopen (MSVCRT.@)
3863 */
3864 MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
3865 {
3866 return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
3867 }
3868
3869 /*********************************************************************
3870 * _wfopen_s (MSVCRT.@)
3871 */
3872 int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename,
3873 const MSVCRT_wchar_t *mode)
3874 {
3875 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3876 if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
3877 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3878
3879 *pFile = MSVCRT__wfopen(filename, mode);
3880
3881 if(!*pFile)
3882 return *MSVCRT__errno();
3883 return 0;
3884 }
3885
3886 /*********************************************************************
3887 * fputc (MSVCRT.@)
3888 */
3889 int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
3890 {
3891 int res;
3892
3893 MSVCRT__lock_file(file);
3894 if(file->_cnt>0) {
3895 *file->_ptr++=c;
3896 file->_cnt--;
3897 if (c == '\n')
3898 {
3899 res = msvcrt_flush_buffer(file);
3900 MSVCRT__unlock_file(file);
3901 return res ? res : c;
3902 }
3903 else {
3904 MSVCRT__unlock_file(file);
3905 return c & 0xff;
3906 }
3907 } else {
3908 res = MSVCRT__flsbuf(c, file);
3909 MSVCRT__unlock_file(file);
3910 return res;
3911 }
3912 }
3913
3914 /*********************************************************************
3915 * _fputchar (MSVCRT.@)
3916 */
3917 int CDECL MSVCRT__fputchar(int c)
3918 {
3919 return MSVCRT_fputc(c, MSVCRT_stdout);
3920 }
3921
3922 /*********************************************************************
3923 * fread (MSVCRT.@)
3924 */
3925 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3926 {
3927 MSVCRT_size_t rcnt=size * nmemb;
3928 MSVCRT_size_t read=0;
3929 int pread=0;
3930
3931 if(!rcnt)
3932 return 0;
3933
3934 MSVCRT__lock_file(file);
3935
3936 /* first buffered data */
3937 if(file->_cnt>0) {
3938 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
3939 memcpy(ptr, file->_ptr, pcnt);
3940 file->_cnt -= pcnt;
3941 file->_ptr += pcnt;
3942 read += pcnt ;
3943 rcnt -= pcnt ;
3944 ptr = (char*)ptr + pcnt;
3945 } else if(!(file->_flag & MSVCRT__IOREAD )) {
3946 if(file->_flag & MSVCRT__IORW) {
3947 file->_flag |= MSVCRT__IOREAD;
3948 } else {
3949 MSVCRT__unlock_file(file);
3950 return 0;
3951 }
3952 }
3953 while(rcnt>0)
3954 {
3955 int i;
3956 if (!file->_cnt && rcnt<MSVCRT_BUFSIZ && !(file->_flag & MSVCRT__IONBF)
3957 && (file->_bufsiz != 0 || msvcrt_alloc_buffer(file))) {
3958 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
3959 file->_ptr = file->_base;
3960 i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
3961 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
3962 if (i > 0 && i < file->_cnt) {
3963 msvcrt_get_ioinfo(file->_file)->wxflag &= ~WX_ATEOF;
3964 file->_flag &= ~MSVCRT__IOEOF;
3965 }
3966 if (i > 0) {
3967 memcpy(ptr, file->_ptr, i);
3968 file->_cnt -= i;
3969 file->_ptr += i;
3970 }
3971 } else if (rcnt > UINT_MAX) {
3972 i = MSVCRT__read(file->_file, ptr, UINT_MAX);
3973 } else if (rcnt < MSVCRT_BUFSIZ) {
3974 i = MSVCRT__read(file->_file, ptr, rcnt);
3975 } else {
3976 i = MSVCRT__read(file->_file, ptr, rcnt - MSVCRT_BUFSIZ/2);
3977 }
3978 pread += i;
3979 rcnt -= i;
3980 ptr = (char *)ptr+i;
3981 /* expose feof condition in the flags
3982 * MFC tests file->_flag for feof, and doesn't call feof())
3983 */
3984 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_ATEOF)
3985 file->_flag |= MSVCRT__IOEOF;
3986 else if (i == -1)
3987 {
3988 file->_flag |= MSVCRT__IOERR;
3989 pread = 0;
3990 rcnt = 0;
3991 }
3992 if (i < 1) break;
3993 }
3994 read+=pread;
3995 MSVCRT__unlock_file(file);
3996 return read / size;
3997 }
3998
3999
4000 /*********************************************************************
4001 * fread_s (MSVCR80.@)
4002 */
4003 MSVCRT_size_t CDECL MSVCRT_fread_s(void *buf, MSVCRT_size_t buf_size, MSVCRT_size_t elem_size,
4004 MSVCRT_size_t count, MSVCRT_FILE *stream)
4005 {
4006 size_t bytes_left, buf_pos;
4007
4008 TRACE("(%p %lu %lu %lu %p\n", buf, buf_size, elem_size, count, stream);
4009
4010 if(!MSVCRT_CHECK_PMT(stream != NULL)) {
4011 if(buf && buf_size)
4012 memset(buf, 0, buf_size);
4013 return 0;
4014 }
4015 if(!elem_size || !count) return 0;
4016 if(!MSVCRT_CHECK_PMT(buf != NULL)) return 0;
4017 if(!MSVCRT_CHECK_PMT(MSVCRT_SIZE_MAX/count >= elem_size)) return 0;
4018
4019 bytes_left = elem_size*count;
4020 buf_pos = 0;
4021 while(bytes_left) {
4022 if(stream->_cnt > 0) {
4023 size_t size = bytes_left<stream->_cnt ? bytes_left : stream->_cnt;
4024
4025 if(!MSVCRT_CHECK_PMT_ERR(size <= buf_size-buf_pos, MSVCRT_ERANGE)) {
4026 memset(buf, 0, buf_size);
4027 return 0;
4028 }
4029
4030 MSVCRT_fread((char*)buf+buf_pos, 1, size, stream);
4031 buf_pos += size;
4032 bytes_left -= size;
4033 }else {
4034 int c = MSVCRT__filbuf(stream);
4035
4036 if(c == EOF)
4037 break;
4038
4039 if(!MSVCRT_CHECK_PMT_ERR(buf_size-buf_pos > 0, MSVCRT_ERANGE)) {
4040 memset(buf, 0, buf_size);
4041 return 0;
4042 }
4043
4044 ((char*)buf)[buf_pos++] = c;
4045 bytes_left--;
4046 }
4047 }
4048
4049 return buf_pos/elem_size;
4050 }
4051
4052 /*********************************************************************
4053 * _wfreopen (MSVCRT.@)
4054 *
4055 */
4056 MSVCRT_FILE* CDECL MSVCRT__wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
4057 {
4058 int open_flags, stream_flags, fd;
4059
4060 TRACE(":path (%s) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file ? file->_file : -1);
4061
4062 LOCK_FILES();
4063 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
4064 file = NULL;
4065 else
4066 {
4067 MSVCRT_fclose(file);
4068 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
4069 file = NULL;
4070 else if((fd = MSVCRT__wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE)) < 0)
4071 file = NULL;
4072 else if(msvcrt_init_fp(file, fd, stream_flags) == -1)
4073 {
4074 file->_flag = 0;
4075 file = NULL;
4076 }
4077 }
4078 UNLOCK_FILES();
4079 return file;
4080 }
4081
4082 /*********************************************************************
4083 * _wfreopen_s (MSVCRT.@)
4084 */
4085 int CDECL MSVCRT__wfreopen_s(MSVCRT_FILE** pFile,
4086 const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
4087 {
4088 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
4089 if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
4090 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
4091 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
4092
4093 *pFile = MSVCRT__wfreopen(path, mode, file);
4094
4095 if(!*pFile)
4096 return *MSVCRT__errno();
4097 return 0;
4098 }
4099
4100 /*********************************************************************
4101 * freopen (MSVCRT.@)
4102 *
4103 */
4104 MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
4105 {
4106 MSVCRT_FILE *ret;
4107 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
4108
4109 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
4110 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
4111 {
4112 MSVCRT_free(pathW);
4113 return NULL;
4114 }
4115
4116 ret = MSVCRT__wfreopen(pathW, modeW, file);
4117
4118 MSVCRT_free(pathW);
4119 MSVCRT_free(modeW);
4120 return ret;
4121 }
4122
4123 /*********************************************************************
4124 * freopen_s (MSVCRT.@)
4125 */
4126 int CDECL MSVCRT_freopen_s(MSVCRT_FILE** pFile,
4127 const char *path, const char *mode, MSVCRT_FILE* file)
4128 {
4129 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
4130 if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
4131 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
4132 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
4133
4134 *pFile = MSVCRT_freopen(path, mode, file);
4135
4136 if(!*pFile)
4137 return *MSVCRT__errno();
4138 return 0;
4139 }
4140
4141 /*********************************************************************
4142 * fsetpos (MSVCRT.@)
4143 */
4144 int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
4145 {
4146 int ret;
4147
4148 MSVCRT__lock_file(file);
4149 /* Note that all this has been lifted 'as is' from fseek */
4150 if(file->_flag & MSVCRT__IOWRT)
4151 msvcrt_flush_buffer(file);
4152
4153 /* Discard buffered input */
4154 file->_cnt = 0;
4155 file->_ptr = file->_base;
4156
4157 /* Reset direction of i/o */
4158 if(file->_flag & MSVCRT__IORW) {
4159 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
4160 }
4161
4162 ret = (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
4163 MSVCRT__unlock_file(file);
4164 return ret;
4165 }
4166
4167 /*********************************************************************
4168 * _ftelli64 (MSVCRT.@)
4169 */
4170 __int64 CDECL MSVCRT__ftelli64(MSVCRT_FILE* file)
4171 {
4172 __int64 pos;
4173
4174 MSVCRT__lock_file(file);
4175 pos = _telli64(file->_file);
4176 if(pos == -1) {
4177 MSVCRT__unlock_file(file);
4178 return -1;
4179 }
4180 if(file->_bufsiz) {
4181 if(file->_flag & MSVCRT__IOWRT) {
4182 pos += file->_ptr - file->_base;
4183
4184 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
4185 char *p;
4186
4187 for(p=file->_base; p<file->_ptr; p++)
4188 if(*p == '\n')
4189 pos++;
4190 }
4191 } else if(!file->_cnt) { /* nothing to do */
4192 } else if(MSVCRT__lseeki64(file->_file, 0, SEEK_END)==pos) {
4193 int i;
4194
4195 pos -= file->_cnt;
4196 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
4197 for(i=0; i<file->_cnt; i++)
4198 if(file->_ptr[i] == '\n')
4199 pos--;
4200 }
4201 } else {
4202 char *p;
4203
4204 if(MSVCRT__lseeki64(file->_file, pos, SEEK_SET) != pos) {
4205 MSVCRT__unlock_file(file);
4206 return -1;
4207 }
4208
4209 pos -= file->_bufsiz;
4210 pos += file->_ptr - file->_base;
4211
4212 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
4213 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READNL)
4214 pos--;
4215
4216 for(p=file->_base; p<file->_ptr; p++)
4217 if(*p == '\n')
4218 pos++;
4219 }
4220 }
4221 }
4222
4223 MSVCRT__unlock_file(file);
4224 return pos;
4225 }
4226
4227 /*********************************************************************
4228 * ftell (MSVCRT.@)
4229 */
4230 LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
4231 {
4232 return MSVCRT__ftelli64(file);
4233 }
4234
4235 /*********************************************************************
4236 * fgetpos (MSVCRT.@)
4237 */
4238 int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
4239 {
4240 *pos = MSVCRT__ftelli64(file);
4241 if(*pos == -1)
4242 return -1;
4243 return 0;
4244 }
4245
4246 /*********************************************************************
4247 * fputs (MSVCRT.@)
4248 */
4249 int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
4250 {
4251 MSVCRT_size_t len = strlen(s);
4252 int ret;
4253
4254 MSVCRT__lock_file(file);
4255 ret = MSVCRT_fwrite(s, sizeof(*s), len, file) == len ? 0 : MSVCRT_EOF;
4256 MSVCRT__unlock_file(file);
4257 return ret;
4258 }
4259
4260 /*********************************************************************
4261 * fputws (MSVCRT.@)
4262 */
4263 int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
4264 {
4265 MSVCRT_size_t i, len = strlenW(s);
4266 BOOL tmp_buf;
4267 int ret;
4268
4269 MSVCRT__lock_file(file);
4270 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
4271 ret = MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
4272 MSVCRT__unlock_file(file);
4273 return ret;
4274 }
4275
4276 tmp_buf = add_std_buffer(file);
4277 for (i=0; i<len; i++) {
4278 if(MSVCRT_fputwc(s[i], file) == MSVCRT_WEOF) {
4279 if(tmp_buf) remove_std_buffer(file);
4280 MSVCRT__unlock_file(file);
4281 return MSVCRT_WEOF;
4282 }
4283 }
4284
4285 if(tmp_buf) remove_std_buffer(file);
4286 MSVCRT__unlock_file(file);
4287 return 0;
4288 }
4289
4290 /*********************************************************************
4291 * getchar (MSVCRT.@)
4292 */
4293 int CDECL MSVCRT_getchar(void)
4294 {
4295 return MSVCRT_fgetc(MSVCRT_stdin);
4296 }
4297
4298 /*********************************************************************
4299 * getc (MSVCRT.@)
4300 */
4301 int CDECL MSVCRT_getc(MSVCRT_FILE* file)
4302 {
4303 return MSVCRT_fgetc(file);
4304 }
4305
4306 /*********************************************************************
4307 * gets (MSVCRT.@)
4308 */
4309 char * CDECL MSVCRT_gets(char *buf)
4310 {
4311 int cc;
4312 char * buf_start = buf;
4313
4314 MSVCRT__lock_file(MSVCRT_stdin);
4315 for(cc = MSVCRT_fgetc(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
4316 cc = MSVCRT_fgetc(MSVCRT_stdin))
4317 if(cc != '\r') *buf++ = (char)cc;
4318
4319 *buf = '\0';
4320
4321 TRACE("got '%s'\n", buf_start);
4322 MSVCRT__unlock_file(MSVCRT_stdin);
4323 return buf_start;
4324 }
4325
4326 /*********************************************************************
4327 * _getws (MSVCRT.@)
4328 */
4329 MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
4330 {
4331 MSVCRT_wint_t cc;
4332 MSVCRT_wchar_t* ws = buf;
4333
4334 MSVCRT__lock_file(MSVCRT_stdin);
4335 for (cc = MSVCRT_fgetwc(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
4336 cc = MSVCRT_fgetwc(MSVCRT_stdin))
4337 {
4338 if (cc != '\r')
4339 *buf++ = (MSVCRT_wchar_t)cc;
4340 }
4341 *buf = '\0';
4342
4343 TRACE("got %s\n", debugstr_w(ws));
4344 MSVCRT__unlock_file(MSVCRT_stdin);
4345 return ws;
4346 }
4347
4348 /*********************************************************************
4349 * putc (MSVCRT.@)
4350 */
4351 int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
4352 {
4353 return MSVCRT_fputc(c, file);
4354 }
4355
4356 /*********************************************************************
4357 * putchar (MSVCRT.@)
4358 */
4359 int CDECL MSVCRT_putchar(int c)
4360 {
4361 return MSVCRT_fputc(c, MSVCRT_stdout);
4362 }
4363
4364 /*********************************************************************
4365 * _putwch (MSVCRT.@)
4366 */
4367 int CDECL MSVCRT__putwch(int c)
4368 {
4369 return MSVCRT_fputwc(c, MSVCRT_stdout);
4370 }
4371
4372 /*********************************************************************
4373 * puts (MSVCRT.@)
4374 */
4375 int CDECL MSVCRT_puts(const char *s)
4376 {
4377 MSVCRT_size_t len = strlen(s);
4378 int ret;
4379
4380 MSVCRT__lock_file(MSVCRT_stdout);
4381 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
4382 MSVCRT__unlock_file(MSVCRT_stdout);
4383 return MSVCRT_EOF;
4384 }
4385
4386 ret = MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
4387 MSVCRT__unlock_file(MSVCRT_stdout);
4388 return ret;
4389 }
4390
4391 /*********************************************************************
4392 * _putws (MSVCRT.@)
4393 */
4394 int CDECL MSVCRT__putws(const MSVCRT_wchar_t *s)
4395 {
4396 static const MSVCRT_wchar_t nl = '\n';
4397 MSVCRT_size_t len = strlenW(s);
4398 int ret;
4399
4400 MSVCRT__lock_file(MSVCRT_stdout);
4401 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
4402 MSVCRT__unlock_file(MSVCRT_stdout);
4403 return MSVCRT_EOF;
4404 }
4405
4406 ret = MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
4407 MSVCRT__unlock_file(MSVCRT_stdout);
4408 return ret;
4409 }
4410
4411 /*********************************************************************
4412 * remove (MSVCRT.@)
4413 */
4414 int CDECL MSVCRT_remove(const char *path)
4415 {
4416 TRACE("(%s)\n",path);
4417 if (DeleteFileA(path))
4418 return 0;
4419 TRACE(":failed (%d)\n",GetLastError());
4420 msvcrt_set_errno(GetLastError());
4421 return -1;
4422 }
4423
4424 /*********************************************************************
4425 * _wremove (MSVCRT.@)
4426 */
4427 int CDECL MSVCRT__wremove(const MSVCRT_wchar_t *path)
4428 {
4429 TRACE("(%s)\n",debugstr_w(path));
4430 if (DeleteFileW(path))
4431 return 0;
4432 TRACE(":failed (%d)\n",GetLastError());
4433 msvcrt_set_errno(GetLastError());
4434 return -1;
4435 }
4436
4437 /*********************************************************************
4438 * rename (MSVCRT.@)
4439 */
4440 int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
4441 {
4442 TRACE(":from %s to %s\n",oldpath,newpath);
4443 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
4444 return 0;
4445 TRACE(":failed (%d)\n",GetLastError());
4446 msvcrt_set_errno(GetLastError());
4447 return -1;
4448 }
4449
4450 /*********************************************************************
4451 * _wrename (MSVCRT.@)
4452 */
4453 int CDECL MSVCRT__wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
4454 {
4455 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
4456 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
4457 return 0;
4458 TRACE(":failed (%d)\n",GetLastError());
4459 msvcrt_set_errno(GetLastError());
4460 return -1;
4461 }
4462
4463 /*********************************************************************
4464 * setvbuf (MSVCRT.@)
4465 */
4466 int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
4467 {
4468 MSVCRT__lock_file(file);
4469 if(file->_bufsiz) {
4470 if(file->_flag & MSVCRT__IOMYBUF)
4471 MSVCRT_free(file->_base);
4472 file->_flag &= ~MSVCRT__IOMYBUF;
4473 file->_base = file->_ptr = NULL;
4474 file->_bufsiz = 0;
4475 file->_cnt = 0;
4476 }
4477 if(mode == MSVCRT__IOFBF) {
4478 file->_flag &= ~MSVCRT__IONBF;
4479 file->_base = file->_ptr = buf;
4480 if(buf) {
4481 file->_bufsiz = size;
4482 }
4483 } else {
4484 file->_flag |= MSVCRT__IONBF;
4485 }
4486 MSVCRT__unlock_file(file);
4487 return 0;
4488 }
4489
4490 /*********************************************************************
4491 * setbuf (MSVCRT.@)
4492 */
4493 void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
4494 {
4495 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
4496 }
4497
4498 /*********************************************************************
4499 * tmpnam (MSVCRT.@)
4500 */
4501 char * CDECL MSVCRT_tmpnam(char *s)
4502 {
4503 char tmpstr[16];
4504 char *p;
4505 int count, size;
4506
4507 if (!s) {
4508 thread_data_t *data = msvcrt_get_thread_data();
4509
4510 if(!data->tmpnam_buffer)
4511 data->tmpnam_buffer = MSVCRT_malloc(MAX_PATH);
4512
4513 s = data->tmpnam_buffer;
4514 }
4515
4516 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
4517 p = s + sprintf(s, "\\s%s.", tmpstr);
4518 for (count = 0; count < MSVCRT_TMP_MAX; count++)
4519 {
4520 size = msvcrt_int_to_base32(tmpnam_unique++, tmpstr);
4521 memcpy(p, tmpstr, size);
4522 p[size] = '\0';
4523 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
4524 GetLastError() == ERROR_FILE_NOT_FOUND)
4525 break;
4526 }
4527 return s;
4528 }
4529
4530 /*********************************************************************
4531 * _wtmpnam (MSVCRT.@)
4532 */
4533 MSVCRT_wchar_t * CDECL MSVCRT_wtmpnam(MSVCRT_wchar_t *s)
4534 {
4535 static const MSVCRT_wchar_t format[] = {'\\','s','%','s','.',0};
4536 MSVCRT_wchar_t tmpstr[16];
4537 MSVCRT_wchar_t *p;
4538 int count, size;
4539 if (!s) {
4540 thread_data_t *data = msvcrt_get_thread_data();
4541
4542 if(!data->wtmpnam_buffer)
4543 data->wtmpnam_buffer = MSVCRT_malloc(sizeof(MSVCRT_wchar_t[MAX_PATH]));
4544
4545 s = data->wtmpnam_buffer;
4546 }
4547
4548 msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr);
4549 p = s + MSVCRT__snwprintf(s, MAX_PATH, format, tmpstr);
4550 for (count = 0; count < MSVCRT_TMP_MAX; count++)
4551 {
4552 size = msvcrt_int_to_base32_w(tmpnam_unique++, tmpstr);
4553 memcpy(p, tmpstr, size*sizeof(MSVCRT_wchar_t));
4554 p[size] = '\0';
4555 if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
4556 GetLastError() == ERROR_FILE_NOT_FOUND)
4557 break;
4558 }
4559 return s;
4560 }
4561
4562 /*********************************************************************
4563 * tmpfile (MSVCRT.@)
4564 */
4565 MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
4566 {
4567 char *filename = MSVCRT_tmpnam(NULL);
4568 int fd;
4569 MSVCRT_FILE* file = NULL;
4570
4571 LOCK_FILES();
4572 fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY,
4573 MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
4574 if (fd != -1 && (file = msvcrt_alloc_fp()))
4575 {
4576 if (msvcrt_init_fp(file, fd, MSVCRT__IORW) == -1)
4577 {
4578 file->_flag = 0;
4579 file = NULL;
4580 }
4581 else file->_tmpfname = MSVCRT__strdup(filename);
4582 }
4583
4584 if(fd != -1 && !file)
4585 MSVCRT__close(fd);
4586 UNLOCK_FILES();
4587 return file;
4588 }
4589
4590 /*********************************************************************
4591 * tmpfile_s (MSVCRT.@)
4592 */
4593 int CDECL MSVCRT_tmpfile_s(MSVCRT_FILE** file)
4594 {
4595 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
4596
4597 *file = MSVCRT_tmpfile();
4598 return 0;
4599 }
4600
4601 static int puts_clbk_file_a(void *file, int len, const char *str)
4602 {
4603 return MSVCRT_fwrite(str, sizeof(char), len, file);
4604 }
4605
4606 static int puts_clbk_file_w(void *file, int len, const MSVCRT_wchar_t *str)
4607 {
4608 int i, ret;
4609
4610 MSVCRT__lock_file(file);
4611
4612 if(!(msvcrt_get_ioinfo(((MSVCRT_FILE*)file)->_file)->wxflag & WX_TEXT)) {
4613 ret = MSVCRT_fwrite(str, sizeof(MSVCRT_wchar_t), len, file);
4614 MSVCRT__unlock_file(file);
4615 return ret;
4616 }
4617
4618 for(i=0; i<len; i++) {
4619 if(MSVCRT_fputwc(str[i], file) == MSVCRT_WEOF) {
4620 MSVCRT__unlock_file(file);
4621 return -1;
4622 }
4623 }
4624
4625 MSVCRT__unlock_file(file);
4626 return len;
4627 }
4628
4629 /*********************************************************************
4630 * vfprintf (MSVCRT.@)
4631 */
4632 int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
4633 {
4634 BOOL tmp_buf;
4635 int ret;
4636
4637 MSVCRT__lock_file(file);
4638 tmp_buf = add_std_buffer(file);
4639 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4640 if(tmp_buf) remove_std_buffer(file);
4641 MSVCRT__unlock_file(file);
4642
4643 return ret;
4644 }
4645
4646 /*********************************************************************
4647 * vfprintf_s (MSVCRT.@)
4648 */
4649 int CDECL MSVCRT_vfprintf_s(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
4650 {
4651 BOOL tmp_buf;
4652 int ret;
4653
4654 if(!MSVCRT_CHECK_PMT(file != NULL)) return -1;
4655
4656 MSVCRT__lock_file(file);
4657 tmp_buf = add_std_buffer(file);
4658 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
4659 if(tmp_buf) remove_std_buffer(file);
4660 MSVCRT__unlock_file(file);
4661
4662 return ret;
4663 }
4664
4665 /*********************************************************************
4666 * vfwprintf (MSVCRT.@)
4667 */
4668 int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
4669 {
4670 BOOL tmp_buf;
4671 int ret;
4672
4673 MSVCRT__lock_file(file);
4674 tmp_buf = add_std_buffer(file);
4675 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4676 if(tmp_buf) remove_std_buffer(file);
4677 MSVCRT__unlock_file(file);
4678
4679 return ret;
4680 }
4681
4682 /*********************************************************************
4683 * vfwprintf_s (MSVCRT.@)
4684 */
4685 int CDECL MSVCRT_vfwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
4686 {
4687 BOOL tmp_buf;
4688 int ret;
4689
4690 if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
4691
4692 MSVCRT__lock_file(file);
4693 tmp_buf = add_std_buffer(file);
4694 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
4695 if(tmp_buf) remove_std_buffer(file);
4696 MSVCRT__unlock_file(file);
4697
4698 return ret;
4699 }
4700
4701 /*********************************************************************
4702 * _vfwprintf_l (MSVCRT.@)
4703 */
4704 int CDECL MSVCRT__vfwprintf_l(MSVCRT_FILE* file, const MSVCRT_wchar_t *format,
4705 MSVCRT__locale_t locale, __ms_va_list valist)
4706 {
4707 BOOL tmp_buf;
4708 int ret;
4709
4710 if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
4711
4712 MSVCRT__lock_file(file);
4713 tmp_buf = add_std_buffer(file);
4714 ret = pf_printf_w(puts_clbk_file_w, file, format, locale, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4715 if(tmp_buf) remove_std_buffer(file);
4716 MSVCRT__unlock_file(file);
4717
4718 return ret;
4719 }
4720
4721 /*********************************************************************
4722 * vprintf (MSVCRT.@)
4723 */
4724 int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
4725 {
4726 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
4727 }
4728
4729 /*********************************************************************
4730 * vprintf_s (MSVCRT.@)
4731 */
4732 int CDECL MSVCRT_vprintf_s(const char *format, __ms_va_list valist)
4733 {
4734 return MSVCRT_vfprintf_s(MSVCRT_stdout,format,valist);
4735 }
4736
4737 /*********************************************************************
4738 * vwprintf (MSVCRT.@)
4739 */
4740 int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
4741 {
4742 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
4743 }
4744
4745 /*********************************************************************
4746 * vwprintf_s (MSVCRT.@)
4747 */
4748 int CDECL MSVCRT_vwprintf_s(const MSVCRT_wchar_t *format, __ms_va_list valist)
4749 {
4750 return MSVCRT_vfwprintf_s(MSVCRT_stdout,format,valist);
4751 }
4752
4753 /*********************************************************************
4754 * fprintf (MSVCRT.@)
4755 */
4756 int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
4757 {
4758 __ms_va_list valist;
4759 int res;
4760 __ms_va_start(valist, format);
4761 res = MSVCRT_vfprintf(file, format, valist);
4762 __ms_va_end(valist);
4763 return res;
4764 }
4765
4766 /*********************************************************************
4767 * fprintf_s (MSVCRT.@)
4768 */
4769 int CDECL MSVCRT_fprintf_s(MSVCRT_FILE* file, const char *format, ...)
4770 {
4771 __ms_va_list valist;
4772 int res;
4773 __ms_va_start(valist, format);
4774 res = MSVCRT_vfprintf_s(file, format, valist);
4775 __ms_va_end(valist);
4776 return res;
4777 }
4778
4779 /*********************************************************************
4780 * fwprintf (MSVCRT.@)
4781 */
4782 int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
4783 {
4784 __ms_va_list valist;
4785 int res;
4786 __ms_va_start(valist, format);
4787 res = MSVCRT_vfwprintf(file, format, valist);
4788 __ms_va_end(valist);
4789 return res;
4790 }
4791
4792 /*********************************************************************
4793 * fwprintf_s (MSVCRT.@)
4794 */
4795 int CDECL MSVCRT_fwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
4796 {
4797 __ms_va_list valist;
4798 int res;
4799 __ms_va_start(valist, format);
4800 res = MSVCRT_vfwprintf_s(file, format, valist);
4801 __ms_va_end(valist);
4802 return res;
4803 }
4804
4805 /*********************************************************************
4806 * _fwprintf_l (MSVCRT.@)
4807 */
4808 int CDECL MSVCRT__fwprintf_l(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, ...)
4809 {
4810 __ms_va_list valist;
4811 int res;
4812 __ms_va_start(valist, locale);
4813 res = MSVCRT__vfwprintf_l(file, format, locale, valist);
4814 __ms_va_end(valist);
4815 return res;
4816 }
4817
4818 /*********************************************************************
4819 * printf (MSVCRT.@)
4820 */
4821 int CDECL MSVCRT_printf(const char *format, ...)
4822 {
4823 __ms_va_list valist;
4824 int res;
4825 __ms_va_start(valist, format);
4826 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
4827 __ms_va_end(valist);
4828 return res;
4829 }
4830
4831 /*********************************************************************
4832 * printf_s (MSVCRT.@)
4833 */
4834 int CDECL MSVCRT_printf_s(const char *format, ...)
4835 {
4836 __ms_va_list valist;
4837 int res;
4838 __ms_va_start(valist, format);
4839 res = MSVCRT_vprintf_s(format, valist);
4840 __ms_va_end(valist);
4841 return res;
4842 }
4843
4844 /*********************************************************************
4845 * ungetc (MSVCRT.@)
4846 */
4847 int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
4848 {
4849 if (c == MSVCRT_EOF)
4850 return MSVCRT_EOF;
4851
4852 MSVCRT__lock_file(file);
4853 if(file->_bufsiz == 0 && msvcrt_alloc_buffer(file))
4854 file->_ptr++;
4855 if(file->_ptr>file->_base) {
4856 file->_ptr--;
4857 if(file->_flag & MSVCRT__IOSTRG) {
4858 if(*file->_ptr != c) {
4859 file->_ptr++;
4860 MSVCRT__unlock_file(file);
4861 return MSVCRT_EOF;
4862 }
4863 }else {
4864 *file->_ptr = c;
4865 }
4866 file->_cnt++;
4867 MSVCRT_clearerr(file);
4868 MSVCRT__unlock_file(file);
4869 return c;
4870 }
4871
4872 MSVCRT__unlock_file(file);
4873 return MSVCRT_EOF;
4874 }
4875
4876 /*********************************************************************
4877 * ungetwc (MSVCRT.@)
4878 */
4879 MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
4880 {
4881 MSVCRT_wchar_t mwc = wc;
4882
4883 if (wc == MSVCRT_WEOF)
4884 return MSVCRT_WEOF;
4885
4886 MSVCRT__lock_file(file);
4887
4888 if((msvcrt_get_ioinfo(file->_file)->exflag & (EF_UTF8 | EF_UTF16))
4889 || !(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
4890 unsigned char * pp = (unsigned char *)&mwc;
4891 int i;
4892
4893 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
4894 if(pp[i] != MSVCRT_ungetc(pp[i],file)) {
4895 MSVCRT__unlock_file(file);
4896 return MSVCRT_WEOF;
4897 }
4898 }
4899 }else {
4900 char mbs[MSVCRT_MB_LEN_MAX];
4901 int len;
4902
4903 len = MSVCRT_wctomb(mbs, mwc);
4904 if(len == -1) {
4905 MSVCRT__unlock_file(file);
4906 return MSVCRT_WEOF;
4907 }
4908
4909 for(len--; len>=0; len--) {
4910 if(mbs[len] != MSVCRT_ungetc(mbs[len], file)) {
4911 MSVCRT__unlock_file(file);
4912 return MSVCRT_WEOF;
4913 }
4914 }
4915 }
4916
4917 MSVCRT__unlock_file(file);
4918 return mwc;
4919 }
4920
4921 /*********************************************************************
4922 * wprintf (MSVCRT.@)
4923 */
4924 int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
4925 {
4926 __ms_va_list valist;
4927 int res;
4928 __ms_va_start(valist, format);
4929 res = MSVCRT_vwprintf(format, valist);
4930 __ms_va_end(valist);
4931 return res;
4932 }
4933
4934 /*********************************************************************
4935 * wprintf_s (MSVCRT.@)
4936 */
4937 int CDECL MSVCRT_wprintf_s(const MSVCRT_wchar_t *format, ...)
4938 {
4939 __ms_va_list valist;
4940 int res;
4941 __ms_va_start(valist, format);
4942 res = MSVCRT_vwprintf_s(format, valist);
4943 __ms_va_end(valist);
4944 return res;
4945 }
4946
4947 /*********************************************************************
4948 * _getmaxstdio (MSVCRT.@)
4949 */
4950 int CDECL MSVCRT__getmaxstdio(void)
4951 {
4952 return MSVCRT_max_streams;
4953 }
4954
4955 /*********************************************************************
4956 * _setmaxstdio (MSVCRT.@)
4957 */
4958 int CDECL MSVCRT__setmaxstdio(int newmax)
4959 {
4960 TRACE("%d\n", newmax);
4961
4962 if(newmax<_IOB_ENTRIES || newmax>MSVCRT_MAX_FILES || newmax<MSVCRT_stream_idx)
4963 return -1;
4964
4965 MSVCRT_max_streams = newmax;
4966 return MSVCRT_max_streams;
4967 }
Windows API implementation