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hhctrl.ocx: Handle Index tab sub-topics.
[wine/multimedia.git] / dlls / msvcrt / file.c
blob655f17e826e4454bbd6f30d90c44901be6e5ca05
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 <time.h>
33 #include <stdarg.h>
34 #include <stdio.h>
35 #ifdef HAVE_UNISTD_H
36 # include <unistd.h>
37 #endif
38 #include <sys/types.h>
39
40 #include "windef.h"
41 #include "winbase.h"
42 #include "winternl.h"
43 #include "msvcrt.h"
44
45 #include "wine/unicode.h"
46
47 #include "wine/debug.h"
48
49 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
50
51 /* for stat mode, permissions apply to all,owner and group */
52 #define ALL_S_IREAD (MSVCRT__S_IREAD | (MSVCRT__S_IREAD >> 3) | (MSVCRT__S_IREAD >> 6))
53 #define ALL_S_IWRITE (MSVCRT__S_IWRITE | (MSVCRT__S_IWRITE >> 3) | (MSVCRT__S_IWRITE >> 6))
54 #define ALL_S_IEXEC (MSVCRT__S_IEXEC | (MSVCRT__S_IEXEC >> 3) | (MSVCRT__S_IEXEC >> 6))
55
56 /* _access() bit flags FIXME: incomplete */
57 #define MSVCRT_W_OK 0x02
58
59 /* values for wxflag in file descriptor */
60 #define WX_OPEN 0x01
61 #define WX_ATEOF 0x02
62 #define WX_READEOF 0x04 /* like ATEOF, but for underlying file rather than buffer */
63 #define WX_READCR 0x08 /* underlying file is at \r */
64 #define WX_DONTINHERIT 0x10
65 #define WX_APPEND 0x20
66 #define WX_TEXT 0x80
67
68 /* FIXME: this should be allocated dynamically */
69 #define MSVCRT_MAX_FILES 2048
70
71 typedef struct {
72 HANDLE handle;
73 unsigned char wxflag;
74 DWORD unkn[7]; /* critical section and init flag */
75 } ioinfo;
76
77 static ioinfo MSVCRT_fdesc[MSVCRT_MAX_FILES];
78
79 MSVCRT_FILE MSVCRT__iob[3] = { { 0 } };
80
81 static int MSVCRT_fdstart = 3; /* first unallocated fd */
82 static int MSVCRT_fdend = 3; /* highest allocated fd */
83
84 static MSVCRT_FILE* MSVCRT_fstreams[2048];
85 static int MSVCRT_stream_idx;
86
87 /* INTERNAL: process umask */
88 static int MSVCRT_umask = 0;
89
90 /* INTERNAL: Static buffer for temp file name */
91 static char MSVCRT_tmpname[MAX_PATH];
92
93 static const unsigned int EXE = 'e' << 16 | 'x' << 8 | 'e';
94 static const unsigned int BAT = 'b' << 16 | 'a' << 8 | 't';
95 static const unsigned int CMD = 'c' << 16 | 'm' << 8 | 'd';
96 static const unsigned int COM = 'c' << 16 | 'o' << 8 | 'm';
97
98 #define TOUL(x) (ULONGLONG)(x)
99 static const ULONGLONG WCEXE = TOUL('e') << 32 | TOUL('x') << 16 | TOUL('e');
100 static const ULONGLONG WCBAT = TOUL('b') << 32 | TOUL('a') << 16 | TOUL('t');
101 static const ULONGLONG WCCMD = TOUL('c') << 32 | TOUL('m') << 16 | TOUL('d');
102 static const ULONGLONG WCCOM = TOUL('c') << 32 | TOUL('o') << 16 | TOUL('m');
103
104 /* This critical section protects the tables MSVCRT_fdesc and MSVCRT_fstreams,
105 * and their related indexes, MSVCRT_fdstart, MSVCRT_fdend,
106 * and MSVCRT_stream_idx, from race conditions.
107 * It doesn't protect against race conditions manipulating the underlying files
108 * or flags; doing so would probably be better accomplished with per-file
109 * protection, rather than locking the whole table for every change.
110 */
111 static CRITICAL_SECTION MSVCRT_file_cs;
112 #define LOCK_FILES() do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)
113 #define UNLOCK_FILES() do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)
114
115 static void msvcrt_stat64_to_stat(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat *buf)
116 {
117 buf->st_dev = buf64->st_dev;
118 buf->st_ino = buf64->st_ino;
119 buf->st_mode = buf64->st_mode;
120 buf->st_nlink = buf64->st_nlink;
121 buf->st_uid = buf64->st_uid;
122 buf->st_gid = buf64->st_gid;
123 buf->st_rdev = buf64->st_rdev;
124 buf->st_size = buf64->st_size;
125 buf->st_atime = buf64->st_atime;
126 buf->st_mtime = buf64->st_mtime;
127 buf->st_ctime = buf64->st_ctime;
128 }
129
130 static void msvcrt_stat64_to_stati64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stati64 *buf)
131 {
132 buf->st_dev = buf64->st_dev;
133 buf->st_ino = buf64->st_ino;
134 buf->st_mode = buf64->st_mode;
135 buf->st_nlink = buf64->st_nlink;
136 buf->st_uid = buf64->st_uid;
137 buf->st_gid = buf64->st_gid;
138 buf->st_rdev = buf64->st_rdev;
139 buf->st_size = buf64->st_size;
140 buf->st_atime = buf64->st_atime;
141 buf->st_mtime = buf64->st_mtime;
142 buf->st_ctime = buf64->st_ctime;
143 }
144
145 static void time_to_filetime( MSVCRT___time64_t time, FILETIME *ft )
146 {
147 /* 1601 to 1970 is 369 years plus 89 leap days */
148 static const __int64 secs_1601_to_1970 = ((369 * 365 + 89) * (__int64)86400);
149
150 __int64 ticks = (time + secs_1601_to_1970) * 10000000;
151 ft->dwHighDateTime = ticks >> 32;
152 ft->dwLowDateTime = ticks;
153 }
154
155 static inline BOOL msvcrt_is_valid_fd(int fd)
156 {
157 return fd >= 0 && fd < MSVCRT_fdend && (MSVCRT_fdesc[fd].wxflag & WX_OPEN);
158 }
159
160 /* INTERNAL: Get the HANDLE for a fd
161 * This doesn't lock the table, because a failure will result in
162 * INVALID_HANDLE_VALUE being returned, which should be handled correctly. If
163 * it returns a valid handle which is about to be closed, a subsequent call
164 * will fail, most likely in a sane way.
165 */
166 static HANDLE msvcrt_fdtoh(int fd)
167 {
168 if (!msvcrt_is_valid_fd(fd))
169 {
170 WARN(":fd (%d) - no handle!\n",fd);
171 *MSVCRT___doserrno() = 0;
172 *MSVCRT__errno() = MSVCRT_EBADF;
173 return INVALID_HANDLE_VALUE;
174 }
175 if (MSVCRT_fdesc[fd].handle == INVALID_HANDLE_VALUE) FIXME("wtf\n");
176 return MSVCRT_fdesc[fd].handle;
177 }
178
179 /* INTERNAL: free a file entry fd */
180 static void msvcrt_free_fd(int fd)
181 {
182 HANDLE old_handle;
183
184 LOCK_FILES();
185 old_handle = MSVCRT_fdesc[fd].handle;
186 MSVCRT_fdesc[fd].handle = INVALID_HANDLE_VALUE;
187 MSVCRT_fdesc[fd].wxflag = 0;
188 TRACE(":fd (%d) freed\n",fd);
189 if (fd < 3) /* don't use 0,1,2 for user files */
190 {
191 switch (fd)
192 {
193 case 0:
194 if (GetStdHandle(STD_INPUT_HANDLE) == old_handle) SetStdHandle(STD_INPUT_HANDLE, 0);
195 break;
196 case 1:
197 if (GetStdHandle(STD_OUTPUT_HANDLE) == old_handle) SetStdHandle(STD_OUTPUT_HANDLE, 0);
198 break;
199 case 2:
200 if (GetStdHandle(STD_ERROR_HANDLE) == old_handle) SetStdHandle(STD_ERROR_HANDLE, 0);
201 break;
202 }
203 }
204 else
205 {
206 if (fd == MSVCRT_fdend - 1)
207 MSVCRT_fdend--;
208 if (fd < MSVCRT_fdstart)
209 MSVCRT_fdstart = fd;
210 }
211 UNLOCK_FILES();
212 }
213
214 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */
215 /* caller must hold the files lock */
216 static int msvcrt_alloc_fd_from(HANDLE hand, int flag, int fd)
217 {
218 if (fd >= MSVCRT_MAX_FILES)
219 {
220 WARN(":files exhausted!\n");
221 return -1;
222 }
223 MSVCRT_fdesc[fd].handle = hand;
224 MSVCRT_fdesc[fd].wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT));
225
226 /* locate next free slot */
227 if (fd == MSVCRT_fdstart && fd == MSVCRT_fdend)
228 MSVCRT_fdstart = MSVCRT_fdend + 1;
229 else
230 while (MSVCRT_fdstart < MSVCRT_fdend &&
231 MSVCRT_fdesc[MSVCRT_fdstart].handle != INVALID_HANDLE_VALUE)
232 MSVCRT_fdstart++;
233 /* update last fd in use */
234 if (fd >= MSVCRT_fdend)
235 MSVCRT_fdend = fd + 1;
236 TRACE("fdstart is %d, fdend is %d\n", MSVCRT_fdstart, MSVCRT_fdend);
237
238 switch (fd)
239 {
240 case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
241 case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
242 case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
243 }
244
245 return fd;
246 }
247
248 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
249 static int msvcrt_alloc_fd(HANDLE hand, int flag)
250 {
251 int ret;
252
253 LOCK_FILES();
254 TRACE(":handle (%p) allocating fd (%d)\n",hand,MSVCRT_fdstart);
255 ret = msvcrt_alloc_fd_from(hand, flag, MSVCRT_fdstart);
256 UNLOCK_FILES();
257 return ret;
258 }
259
260 /* INTERNAL: Allocate a FILE* for an fd slot */
261 /* caller must hold the files lock */
262 static MSVCRT_FILE* msvcrt_alloc_fp(void)
263 {
264 unsigned int i;
265
266 for (i = 3; i < sizeof(MSVCRT_fstreams) / sizeof(MSVCRT_fstreams[0]); i++)
267 {
268 if (!MSVCRT_fstreams[i] || MSVCRT_fstreams[i]->_flag == 0)
269 {
270 if (!MSVCRT_fstreams[i])
271 {
272 if (!(MSVCRT_fstreams[i] = MSVCRT_calloc(sizeof(MSVCRT_FILE),1)))
273 return NULL;
274 if (i == MSVCRT_stream_idx) MSVCRT_stream_idx++;
275 }
276 return MSVCRT_fstreams[i];
277 }
278 }
279 return NULL;
280 }
281
282 /* INTERNAL: initialize a FILE* from an open fd */
283 static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags)
284 {
285 TRACE(":fd (%d) allocating FILE*\n",fd);
286 if (!msvcrt_is_valid_fd(fd))
287 {
288 WARN(":invalid fd %d\n",fd);
289 *MSVCRT___doserrno() = 0;
290 *MSVCRT__errno() = MSVCRT_EBADF;
291 return -1;
292 }
293 memset(file, 0, sizeof(*file));
294 file->_file = fd;
295 file->_flag = stream_flags;
296
297 TRACE(":got FILE* (%p)\n",file);
298 return 0;
299 }
300
301 /* INTERNAL: Create an inheritance data block (for spawned process)
302 * The inheritance block is made of:
303 * 00 int nb of file descriptor (NBFD)
304 * 04 char file flags (wxflag): repeated for each fd
305 * 4+NBFD HANDLE file handle: repeated for each fd
306 */
307 unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block)
308 {
309 int fd;
310 char* wxflag_ptr;
311 HANDLE* handle_ptr;
312
313 *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
314 *block = MSVCRT_calloc(*size, 1);
315 if (!*block)
316 {
317 *size = 0;
318 return FALSE;
319 }
320 wxflag_ptr = (char*)*block + sizeof(unsigned);
321 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
322
323 *(unsigned*)*block = MSVCRT_fdend;
324 for (fd = 0; fd < MSVCRT_fdend; fd++)
325 {
326 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
327 if ((MSVCRT_fdesc[fd].wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
328 {
329 *wxflag_ptr = MSVCRT_fdesc[fd].wxflag;
330 *handle_ptr = MSVCRT_fdesc[fd].handle;
331 }
332 else
333 {
334 *wxflag_ptr = 0;
335 *handle_ptr = INVALID_HANDLE_VALUE;
336 }
337 wxflag_ptr++; handle_ptr++;
338 }
339 return TRUE;
340 }
341
342 /* INTERNAL: Set up all file descriptors,
343 * as well as default streams (stdin, stderr and stdout)
344 */
345 void msvcrt_init_io(void)
346 {
347 STARTUPINFOA si;
348 int i;
349
350 InitializeCriticalSection(&MSVCRT_file_cs);
351 MSVCRT_file_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs");
352 GetStartupInfoA(&si);
353 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
354 {
355 BYTE* wxflag_ptr;
356 HANDLE* handle_ptr;
357 unsigned int count;
358
359 count = *(unsigned*)si.lpReserved2;
360 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
361 handle_ptr = (HANDLE*)(wxflag_ptr + count);
362
363 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
364 count = min(count, sizeof(MSVCRT_fdesc) / sizeof(MSVCRT_fdesc[0]));
365 for (i = 0; i < count; i++)
366 {
367 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
368 {
369 MSVCRT_fdesc[i].wxflag = *wxflag_ptr;
370 MSVCRT_fdesc[i].handle = *handle_ptr;
371 }
372 else
373 {
374 MSVCRT_fdesc[i].wxflag = 0;
375 MSVCRT_fdesc[i].handle = INVALID_HANDLE_VALUE;
376 }
377 wxflag_ptr++; handle_ptr++;
378 }
379 MSVCRT_fdend = max( 3, count );
380 for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
381 if (MSVCRT_fdesc[MSVCRT_fdstart].handle == INVALID_HANDLE_VALUE) break;
382 }
383
384 if (!(MSVCRT_fdesc[0].wxflag & WX_OPEN) || MSVCRT_fdesc[0].handle == INVALID_HANDLE_VALUE)
385 {
386 HANDLE std = GetStdHandle(STD_INPUT_HANDLE);
387 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
388 GetCurrentProcess(), &MSVCRT_fdesc[0].handle,
389 0, TRUE, DUPLICATE_SAME_ACCESS))
390 MSVCRT_fdesc[0].wxflag = WX_OPEN | WX_TEXT;
391 }
392 if (!(MSVCRT_fdesc[1].wxflag & WX_OPEN) || MSVCRT_fdesc[1].handle == INVALID_HANDLE_VALUE)
393 {
394 HANDLE std = GetStdHandle(STD_OUTPUT_HANDLE);
395 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
396 GetCurrentProcess(), &MSVCRT_fdesc[1].handle,
397 0, TRUE, DUPLICATE_SAME_ACCESS))
398 MSVCRT_fdesc[1].wxflag = WX_OPEN | WX_TEXT;
399 }
400 if (!(MSVCRT_fdesc[2].wxflag & WX_OPEN) || MSVCRT_fdesc[2].handle == INVALID_HANDLE_VALUE)
401 {
402 HANDLE std = GetStdHandle(STD_ERROR_HANDLE);
403 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
404 GetCurrentProcess(), &MSVCRT_fdesc[2].handle,
405 0, TRUE, DUPLICATE_SAME_ACCESS))
406 MSVCRT_fdesc[2].wxflag = WX_OPEN | WX_TEXT;
407 }
408
409 TRACE(":handles (%p)(%p)(%p)\n",MSVCRT_fdesc[0].handle,
410 MSVCRT_fdesc[1].handle,MSVCRT_fdesc[2].handle);
411
412 memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
413 for (i = 0; i < 3; i++)
414 {
415 /* FILE structs for stdin/out/err are static and never deleted */
416 MSVCRT_fstreams[i] = &MSVCRT__iob[i];
417 MSVCRT__iob[i]._file = i;
418 MSVCRT__iob[i]._tmpfname = NULL;
419 MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
420 }
421 MSVCRT_stream_idx = 3;
422 }
423
424 /* INTERNAL: Flush stdio file buffer */
425 static int msvcrt_flush_buffer(MSVCRT_FILE* file)
426 {
427 if(file->_bufsiz) {
428 int cnt=file->_ptr-file->_base;
429 if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) {
430 file->_flag |= MSVCRT__IOERR;
431 return MSVCRT_EOF;
432 }
433 file->_ptr=file->_base;
434 file->_cnt=file->_bufsiz;
435 }
436 return 0;
437 }
438
439 /* INTERNAL: Allocate stdio file buffer */
440 static void msvcrt_alloc_buffer(MSVCRT_FILE* file)
441 {
442 file->_base = MSVCRT_calloc(MSVCRT_BUFSIZ,1);
443 if(file->_base) {
444 file->_bufsiz = MSVCRT_BUFSIZ;
445 file->_flag |= MSVCRT__IOMYBUF;
446 } else {
447 file->_base = (char*)(&file->_charbuf);
448 /* put here 2 ??? */
449 file->_bufsiz = sizeof(file->_charbuf);
450 }
451 file->_ptr = file->_base;
452 file->_cnt = 0;
453 }
454
455 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
456 static void msvcrt_int_to_base32(int num, char *str)
457 {
458 char *p;
459 int n = num;
460 int digits = 0;
461
462 while (n != 0)
463 {
464 n >>= 5;
465 digits++;
466 }
467 p = str + digits;
468 *p = 0;
469 while (--p >= str)
470 {
471 *p = (num & 31) + '0';
472 if (*p > '9')
473 *p += ('a' - '0' - 10);
474 num >>= 5;
475 }
476 }
477
478 /*********************************************************************
479 * __iob_func(MSVCRT.@)
480 */
481 MSVCRT_FILE * CDECL MSVCRT___iob_func(void)
482 {
483 return &MSVCRT__iob[0];
484 }
485
486 /*********************************************************************
487 * _access (MSVCRT.@)
488 */
489 int CDECL MSVCRT__access(const char *filename, int mode)
490 {
491 DWORD attr = GetFileAttributesA(filename);
492
493 TRACE("(%s,%d) %d\n",filename,mode,attr);
494
495 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
496 {
497 msvcrt_set_errno(GetLastError());
498 return -1;
499 }
500 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
501 {
502 msvcrt_set_errno(ERROR_ACCESS_DENIED);
503 return -1;
504 }
505 return 0;
506 }
507
508 /*********************************************************************
509 * _waccess (MSVCRT.@)
510 */
511 int CDECL _waccess(const MSVCRT_wchar_t *filename, int mode)
512 {
513 DWORD attr = GetFileAttributesW(filename);
514
515 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
516
517 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
518 {
519 msvcrt_set_errno(GetLastError());
520 return -1;
521 }
522 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
523 {
524 msvcrt_set_errno(ERROR_ACCESS_DENIED);
525 return -1;
526 }
527 return 0;
528 }
529
530 /*********************************************************************
531 * _chmod (MSVCRT.@)
532 */
533 int CDECL MSVCRT__chmod(const char *path, int flags)
534 {
535 DWORD oldFlags = GetFileAttributesA(path);
536
537 if (oldFlags != INVALID_FILE_ATTRIBUTES)
538 {
539 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
540 oldFlags | FILE_ATTRIBUTE_READONLY;
541
542 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
543 return 0;
544 }
545 msvcrt_set_errno(GetLastError());
546 return -1;
547 }
548
549 /*********************************************************************
550 * _wchmod (MSVCRT.@)
551 */
552 int CDECL _wchmod(const MSVCRT_wchar_t *path, int flags)
553 {
554 DWORD oldFlags = GetFileAttributesW(path);
555
556 if (oldFlags != INVALID_FILE_ATTRIBUTES)
557 {
558 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
559 oldFlags | FILE_ATTRIBUTE_READONLY;
560
561 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
562 return 0;
563 }
564 msvcrt_set_errno(GetLastError());
565 return -1;
566 }
567
568 /*********************************************************************
569 * _unlink (MSVCRT.@)
570 */
571 int CDECL MSVCRT__unlink(const char *path)
572 {
573 TRACE("%s\n",debugstr_a(path));
574 if(DeleteFileA(path))
575 return 0;
576 TRACE("failed (%d)\n",GetLastError());
577 msvcrt_set_errno(GetLastError());
578 return -1;
579 }
580
581 /*********************************************************************
582 * _wunlink (MSVCRT.@)
583 */
584 int CDECL _wunlink(const MSVCRT_wchar_t *path)
585 {
586 TRACE("(%s)\n",debugstr_w(path));
587 if(DeleteFileW(path))
588 return 0;
589 TRACE("failed (%d)\n",GetLastError());
590 msvcrt_set_errno(GetLastError());
591 return -1;
592 }
593
594 /* _flushall calls MSVCRT_fflush which calls _flushall */
595 int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
596
597 /*********************************************************************
598 * _flushall (MSVCRT.@)
599 */
600 int CDECL _flushall(void)
601 {
602 int i, num_flushed = 0;
603
604 LOCK_FILES();
605 for (i = 3; i < MSVCRT_stream_idx; i++)
606 if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_flag)
607 {
608 #if 0
609 /* FIXME: flush, do not commit */
610 if (_commit(i) == -1)
611 if (MSVCRT_fstreams[i])
612 MSVCRT_fstreams[i]->_flag |= MSVCRT__IOERR;
613 #endif
614 if(MSVCRT_fstreams[i]->_flag & MSVCRT__IOWRT) {
615 MSVCRT_fflush(MSVCRT_fstreams[i]);
616 num_flushed++;
617 }
618 }
619 UNLOCK_FILES();
620
621 TRACE(":flushed (%d) handles\n",num_flushed);
622 return num_flushed;
623 }
624
625 /*********************************************************************
626 * fflush (MSVCRT.@)
627 */
628 int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
629 {
630 if(!file) {
631 _flushall();
632 } else if(file->_flag & MSVCRT__IOWRT) {
633 int res=msvcrt_flush_buffer(file);
634 return res;
635 }
636 return 0;
637 }
638
639 /*********************************************************************
640 * _close (MSVCRT.@)
641 */
642 int CDECL MSVCRT__close(int fd)
643 {
644 HANDLE hand;
645 int ret;
646
647 LOCK_FILES();
648 hand = msvcrt_fdtoh(fd);
649 TRACE(":fd (%d) handle (%p)\n",fd,hand);
650 if (hand == INVALID_HANDLE_VALUE)
651 ret = -1;
652 else if (!CloseHandle(hand))
653 {
654 WARN(":failed-last error (%d)\n",GetLastError());
655 msvcrt_set_errno(GetLastError());
656 ret = -1;
657 }
658 else
659 {
660 msvcrt_free_fd(fd);
661 ret = 0;
662 }
663 UNLOCK_FILES();
664 TRACE(":ok\n");
665 return ret;
666 }
667
668 /*********************************************************************
669 * _commit (MSVCRT.@)
670 */
671 int CDECL _commit(int fd)
672 {
673 HANDLE hand = msvcrt_fdtoh(fd);
674
675 TRACE(":fd (%d) handle (%p)\n",fd,hand);
676 if (hand == INVALID_HANDLE_VALUE)
677 return -1;
678
679 if (!FlushFileBuffers(hand))
680 {
681 if (GetLastError() == ERROR_INVALID_HANDLE)
682 {
683 /* FlushFileBuffers fails for console handles
684 * so we ignore this error.
685 */
686 return 0;
687 }
688 TRACE(":failed-last error (%d)\n",GetLastError());
689 msvcrt_set_errno(GetLastError());
690 return -1;
691 }
692 TRACE(":ok\n");
693 return 0;
694 }
695
696 /*********************************************************************
697 * _dup2 (MSVCRT.@)
698 * NOTES
699 * MSDN isn't clear on this point, but the remarks for _pipe
700 * indicate file descriptors duplicated with _dup and _dup2 are always
701 * inheritable.
702 */
703 int CDECL MSVCRT__dup2(int od, int nd)
704 {
705 int ret;
706
707 TRACE("(od=%d, nd=%d)\n", od, nd);
708 LOCK_FILES();
709 if (nd < MSVCRT_MAX_FILES && nd >= 0 && msvcrt_is_valid_fd(od))
710 {
711 HANDLE handle;
712
713 if (DuplicateHandle(GetCurrentProcess(), MSVCRT_fdesc[od].handle,
714 GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
715 {
716 int wxflag = MSVCRT_fdesc[od].wxflag & ~MSVCRT__O_NOINHERIT;
717
718 if (msvcrt_is_valid_fd(nd))
719 MSVCRT__close(nd);
720 ret = msvcrt_alloc_fd_from(handle, wxflag, nd);
721 if (ret == -1)
722 {
723 CloseHandle(handle);
724 *MSVCRT__errno() = MSVCRT_EMFILE;
725 }
726 else
727 {
728 /* _dup2 returns 0, not nd, on success */
729 ret = 0;
730 }
731 }
732 else
733 {
734 ret = -1;
735 msvcrt_set_errno(GetLastError());
736 }
737 }
738 else
739 {
740 *MSVCRT__errno() = MSVCRT_EBADF;
741 ret = -1;
742 }
743 UNLOCK_FILES();
744 return ret;
745 }
746
747 /*********************************************************************
748 * _dup (MSVCRT.@)
749 */
750 int CDECL MSVCRT__dup(int od)
751 {
752 int fd, ret;
753
754 LOCK_FILES();
755 fd = MSVCRT_fdstart;
756 if (MSVCRT__dup2(od, fd) == 0)
757 ret = fd;
758 else
759 ret = -1;
760 UNLOCK_FILES();
761 return ret;
762 }
763
764 /*********************************************************************
765 * _eof (MSVCRT.@)
766 */
767 int CDECL _eof(int fd)
768 {
769 DWORD curpos,endpos;
770 LONG hcurpos,hendpos;
771 HANDLE hand = msvcrt_fdtoh(fd);
772
773 TRACE(":fd (%d) handle (%p)\n",fd,hand);
774
775 if (hand == INVALID_HANDLE_VALUE)
776 return -1;
777
778 if (MSVCRT_fdesc[fd].wxflag & WX_ATEOF) return TRUE;
779
780 /* Otherwise we do it the hard way */
781 hcurpos = hendpos = 0;
782 curpos = SetFilePointer(hand, 0, &hcurpos, FILE_CURRENT);
783 endpos = SetFilePointer(hand, 0, &hendpos, FILE_END);
784
785 if (curpos == endpos && hcurpos == hendpos)
786 {
787 /* FIXME: shouldn't WX_ATEOF be set here? */
788 return TRUE;
789 }
790
791 SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN);
792 return FALSE;
793 }
794
795 /*********************************************************************
796 * _fcloseall (MSVCRT.@)
797 */
798 int CDECL MSVCRT__fcloseall(void)
799 {
800 int num_closed = 0, i;
801
802 LOCK_FILES();
803 for (i = 3; i < MSVCRT_stream_idx; i++)
804 if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_flag &&
805 !MSVCRT_fclose(MSVCRT_fstreams[i]))
806 num_closed++;
807 UNLOCK_FILES();
808
809 TRACE(":closed (%d) handles\n",num_closed);
810 return num_closed;
811 }
812
813 /* free everything on process exit */
814 void msvcrt_free_io(void)
815 {
816 MSVCRT__fcloseall();
817 /* The Win32 _fcloseall() function explicitly doesn't close stdin,
818 * stdout, and stderr (unlike GNU), so we need to fclose() them here
819 * or they won't get flushed.
820 */
821 MSVCRT_fclose(&MSVCRT__iob[0]);
822 MSVCRT_fclose(&MSVCRT__iob[1]);
823 MSVCRT_fclose(&MSVCRT__iob[2]);
824 MSVCRT_file_cs.DebugInfo->Spare[0] = 0;
825 DeleteCriticalSection(&MSVCRT_file_cs);
826 }
827
828 /*********************************************************************
829 * _lseeki64 (MSVCRT.@)
830 */
831 __int64 CDECL MSVCRT__lseeki64(int fd, __int64 offset, int whence)
832 {
833 HANDLE hand = msvcrt_fdtoh(fd);
834 LARGE_INTEGER ofs, ret;
835
836 TRACE(":fd (%d) handle (%p)\n",fd,hand);
837 if (hand == INVALID_HANDLE_VALUE)
838 return -1;
839
840 if (whence < 0 || whence > 2)
841 {
842 *MSVCRT__errno() = MSVCRT_EINVAL;
843 return -1;
844 }
845
846 TRACE(":fd (%d) to %s pos %s\n",
847 fd,wine_dbgstr_longlong(offset),
848 (whence==SEEK_SET)?"SEEK_SET":
849 (whence==SEEK_CUR)?"SEEK_CUR":
850 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
851
852 ofs.QuadPart = offset;
853 if (SetFilePointerEx(hand, ofs, &ret, whence))
854 {
855 MSVCRT_fdesc[fd].wxflag &= ~(WX_ATEOF|WX_READEOF);
856 /* FIXME: What if we seek _to_ EOF - is EOF set? */
857
858 return ret.QuadPart;
859 }
860 TRACE(":error-last error (%d)\n",GetLastError());
861 msvcrt_set_errno(GetLastError());
862 return -1;
863 }
864
865 /*********************************************************************
866 * _lseek (MSVCRT.@)
867 */
868 LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence)
869 {
870 return MSVCRT__lseeki64(fd, offset, whence);
871 }
872
873 /*********************************************************************
874 * _locking (MSVCRT.@)
875 *
876 * This is untested; the underlying LockFile doesn't work yet.
877 */
878 int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes)
879 {
880 BOOL ret;
881 DWORD cur_locn;
882 HANDLE hand = msvcrt_fdtoh(fd);
883
884 TRACE(":fd (%d) handle (%p)\n",fd,hand);
885 if (hand == INVALID_HANDLE_VALUE)
886 return -1;
887
888 if (mode < 0 || mode > 4)
889 {
890 *MSVCRT__errno() = MSVCRT_EINVAL;
891 return -1;
892 }
893
894 TRACE(":fd (%d) by 0x%08x mode %s\n",
895 fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
896 (mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
897 (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
898 (mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
899 (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
900 "UNKNOWN");
901
902 if ((cur_locn = SetFilePointer(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
903 {
904 FIXME ("Seek failed\n");
905 *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
906 return -1;
907 }
908 if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
909 {
910 int nretry = 10;
911 ret = 1; /* just to satisfy gcc */
912 while (nretry--)
913 {
914 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
915 if (ret) break;
916 Sleep(1);
917 }
918 }
919 else if (mode == MSVCRT__LK_UNLCK)
920 ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L);
921 else
922 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
923 /* FIXME - what about error settings? */
924 return ret ? 0 : -1;
925 }
926
927 /*********************************************************************
928 * fseek (MSVCRT.@)
929 */
930 int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
931 {
932 /* Flush output if needed */
933 if(file->_flag & MSVCRT__IOWRT)
934 msvcrt_flush_buffer(file);
935
936 if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
937 offset -= file->_cnt;
938 if (MSVCRT_fdesc[file->_file].wxflag & WX_TEXT) {
939 /* Black magic correction for CR removal */
940 int i;
941 for (i=0; i<file->_cnt; i++) {
942 if (file->_ptr[i] == '\n')
943 offset--;
944 }
945 /* Black magic when reading CR at buffer boundary*/
946 if(MSVCRT_fdesc[file->_file].wxflag & WX_READCR)
947 offset--;
948 }
949 }
950 /* Discard buffered input */
951 file->_cnt = 0;
952 file->_ptr = file->_base;
953 /* Reset direction of i/o */
954 if(file->_flag & MSVCRT__IORW) {
955 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
956 }
957 /* Clear end of file flag */
958 file->_flag &= ~MSVCRT__IOEOF;
959 return (MSVCRT__lseek(file->_file,offset,whence) == -1)?-1:0;
960 }
961
962 /*********************************************************************
963 * _chsize (MSVCRT.@)
964 */
965 int CDECL _chsize(int fd, MSVCRT_long size)
966 {
967 LONG cur, pos;
968 HANDLE handle;
969 BOOL ret = FALSE;
970
971 TRACE("(fd=%d, size=%d)\n", fd, size);
972
973 LOCK_FILES();
974
975 handle = msvcrt_fdtoh(fd);
976 if (handle != INVALID_HANDLE_VALUE)
977 {
978 /* save the current file pointer */
979 cur = MSVCRT__lseek(fd, 0, SEEK_CUR);
980 if (cur >= 0)
981 {
982 pos = MSVCRT__lseek(fd, size, SEEK_SET);
983 if (pos >= 0)
984 {
985 ret = SetEndOfFile(handle);
986 if (!ret) msvcrt_set_errno(GetLastError());
987 }
988
989 /* restore the file pointer */
990 MSVCRT__lseek(fd, cur, SEEK_SET);
991 }
992 }
993
994 UNLOCK_FILES();
995 return ret ? 0 : -1;
996 }
997
998 /*********************************************************************
999 * clearerr (MSVCRT.@)
1000 */
1001 void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
1002 {
1003 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1004 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
1005 }
1006
1007 /*********************************************************************
1008 * rewind (MSVCRT.@)
1009 */
1010 void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
1011 {
1012 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1013 MSVCRT_fseek(file, 0L, SEEK_SET);
1014 MSVCRT_clearerr(file);
1015 }
1016
1017 static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags)
1018 {
1019 int plus = strchrW(mode, '+') != NULL;
1020
1021 switch(*mode++)
1022 {
1023 case 'R': case 'r':
1024 *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
1025 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
1026 break;
1027 case 'W': case 'w':
1028 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1029 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1030 break;
1031 case 'A': case 'a':
1032 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1033 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1034 break;
1035 default:
1036 return -1;
1037 }
1038
1039 while (*mode)
1040 switch (*mode++)
1041 {
1042 case 'B': case 'b':
1043 *open_flags |= MSVCRT__O_BINARY;
1044 *open_flags &= ~MSVCRT__O_TEXT;
1045 break;
1046 case 'T': case 't':
1047 *open_flags |= MSVCRT__O_TEXT;
1048 *open_flags &= ~MSVCRT__O_BINARY;
1049 break;
1050 case '+':
1051 case ' ':
1052 break;
1053 default:
1054 FIXME(":unknown flag %c not supported\n",mode[-1]);
1055 }
1056 return 0;
1057 }
1058
1059 /*********************************************************************
1060 * _fdopen (MSVCRT.@)
1061 */
1062 MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode)
1063 {
1064 MSVCRT_FILE *ret;
1065 MSVCRT_wchar_t *modeW = NULL;
1066
1067 if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
1068
1069 ret = MSVCRT__wfdopen(fd, modeW);
1070
1071 MSVCRT_free(modeW);
1072 return ret;
1073 }
1074
1075 /*********************************************************************
1076 * _wfdopen (MSVCRT.@)
1077 */
1078 MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
1079 {
1080 int open_flags, stream_flags;
1081 MSVCRT_FILE* file;
1082
1083 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
1084
1085 LOCK_FILES();
1086 if (!(file = msvcrt_alloc_fp()))
1087 file = NULL;
1088 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
1089 {
1090 file->_flag = 0;
1091 file = NULL;
1092 }
1093 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
1094 UNLOCK_FILES();
1095
1096 return file;
1097 }
1098
1099 /*********************************************************************
1100 * _filelength (MSVCRT.@)
1101 */
1102 LONG CDECL MSVCRT__filelength(int fd)
1103 {
1104 LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR);
1105 if (curPos != -1)
1106 {
1107 LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END);
1108 if (endPos != -1)
1109 {
1110 if (endPos != curPos)
1111 MSVCRT__lseek(fd, curPos, SEEK_SET);
1112 return endPos;
1113 }
1114 }
1115 return -1;
1116 }
1117
1118 /*********************************************************************
1119 * _filelengthi64 (MSVCRT.@)
1120 */
1121 __int64 CDECL MSVCRT__filelengthi64(int fd)
1122 {
1123 __int64 curPos = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1124 if (curPos != -1)
1125 {
1126 __int64 endPos = MSVCRT__lseeki64(fd, 0, SEEK_END);
1127 if (endPos != -1)
1128 {
1129 if (endPos != curPos)
1130 MSVCRT__lseeki64(fd, curPos, SEEK_SET);
1131 return endPos;
1132 }
1133 }
1134 return -1;
1135 }
1136
1137 /*********************************************************************
1138 * _fileno (MSVCRT.@)
1139 */
1140 int CDECL MSVCRT__fileno(MSVCRT_FILE* file)
1141 {
1142 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
1143 return file->_file;
1144 }
1145
1146 /*********************************************************************
1147 * _fstat64 (MSVCRT.@)
1148 */
1149 int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf)
1150 {
1151 DWORD dw;
1152 DWORD type;
1153 BY_HANDLE_FILE_INFORMATION hfi;
1154 HANDLE hand = msvcrt_fdtoh(fd);
1155
1156 TRACE(":fd (%d) stat (%p)\n",fd,buf);
1157 if (hand == INVALID_HANDLE_VALUE)
1158 return -1;
1159
1160 if (!buf)
1161 {
1162 WARN(":failed-NULL buf\n");
1163 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1164 return -1;
1165 }
1166
1167 memset(&hfi, 0, sizeof(hfi));
1168 memset(buf, 0, sizeof(struct MSVCRT__stat64));
1169 type = GetFileType(hand);
1170 if (type == FILE_TYPE_PIPE)
1171 {
1172 buf->st_dev = buf->st_rdev = fd;
1173 buf->st_mode = S_IFIFO;
1174 buf->st_nlink = 1;
1175 }
1176 else if (type == FILE_TYPE_CHAR)
1177 {
1178 buf->st_dev = buf->st_rdev = fd;
1179 buf->st_mode = S_IFCHR;
1180 buf->st_nlink = 1;
1181 }
1182 else /* FILE_TYPE_DISK etc. */
1183 {
1184 if (!GetFileInformationByHandle(hand, &hfi))
1185 {
1186 WARN(":failed-last error (%d)\n",GetLastError());
1187 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1188 return -1;
1189 }
1190 buf->st_mode = S_IFREG | 0444;
1191 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1192 buf->st_mode |= 0222;
1193 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1194 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1195 buf->st_atime = dw;
1196 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1197 buf->st_mtime = buf->st_ctime = dw;
1198 buf->st_nlink = hfi.nNumberOfLinks;
1199 }
1200 TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
1201 buf->st_mode);
1202 return 0;
1203 }
1204
1205 /*********************************************************************
1206 * _fstati64 (MSVCRT.@)
1207 */
1208 int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
1209 {
1210 int ret;
1211 struct MSVCRT__stat64 buf64;
1212
1213 ret = MSVCRT__fstat64(fd, &buf64);
1214 if (!ret)
1215 msvcrt_stat64_to_stati64(&buf64, buf);
1216 return ret;
1217 }
1218
1219 /*********************************************************************
1220 * _fstat (MSVCRT.@)
1221 */
1222 int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
1223 { int ret;
1224 struct MSVCRT__stat64 buf64;
1225
1226 ret = MSVCRT__fstat64(fd, &buf64);
1227 if (!ret)
1228 msvcrt_stat64_to_stat(&buf64, buf);
1229 return ret;
1230 }
1231
1232 /*********************************************************************
1233 * _futime64 (MSVCRT.@)
1234 */
1235 int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t)
1236 {
1237 HANDLE hand = msvcrt_fdtoh(fd);
1238 FILETIME at, wt;
1239
1240 if (!t)
1241 {
1242 time_to_filetime( MSVCRT__time64(NULL), &at );
1243 wt = at;
1244 }
1245 else
1246 {
1247 time_to_filetime( t->actime, &at );
1248 time_to_filetime( t->modtime, &wt );
1249 }
1250
1251 if (!SetFileTime(hand, NULL, &at, &wt))
1252 {
1253 msvcrt_set_errno(GetLastError());
1254 return -1 ;
1255 }
1256 return 0;
1257 }
1258
1259 /*********************************************************************
1260 * _futime32 (MSVCRT.@)
1261 */
1262 int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t)
1263 {
1264 struct MSVCRT___utimbuf64 t64;
1265 t64.actime = t->actime;
1266 t64.modtime = t->modtime;
1267 return _futime64( fd, &t64 );
1268 }
1269
1270 /*********************************************************************
1271 * _futime (MSVCRT.@)
1272 */
1273 #ifdef _WIN64
1274 int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t)
1275 {
1276 return _futime64( fd, t );
1277 }
1278 #else
1279 int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t)
1280 {
1281 return _futime32( fd, t );
1282 }
1283 #endif
1284
1285 /*********************************************************************
1286 * _get_osfhandle (MSVCRT.@)
1287 */
1288 MSVCRT_intptr_t CDECL _get_osfhandle(int fd)
1289 {
1290 HANDLE hand = msvcrt_fdtoh(fd);
1291 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1292
1293 return (MSVCRT_intptr_t)hand;
1294 }
1295
1296 /*********************************************************************
1297 * _isatty (MSVCRT.@)
1298 */
1299 int CDECL _isatty(int fd)
1300 {
1301 HANDLE hand = msvcrt_fdtoh(fd);
1302
1303 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1304 if (hand == INVALID_HANDLE_VALUE)
1305 return 0;
1306
1307 return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
1308 }
1309
1310 /*********************************************************************
1311 * _mktemp (MSVCRT.@)
1312 */
1313 char * CDECL _mktemp(char *pattern)
1314 {
1315 int numX = 0;
1316 char *retVal = pattern;
1317 int id;
1318 char letter = 'a';
1319
1320 while(*pattern)
1321 numX = (*pattern++ == 'X')? numX + 1 : 0;
1322 if (numX < 5)
1323 return NULL;
1324 pattern--;
1325 id = GetCurrentProcessId();
1326 numX = 6;
1327 while(numX--)
1328 {
1329 int tempNum = id / 10;
1330 *pattern-- = id - (tempNum * 10) + '0';
1331 id = tempNum;
1332 }
1333 pattern++;
1334 do
1335 {
1336 *pattern = letter++;
1337 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES &&
1338 GetLastError() == ERROR_FILE_NOT_FOUND)
1339 return retVal;
1340 } while(letter <= 'z');
1341 return NULL;
1342 }
1343
1344 /*********************************************************************
1345 * _wmktemp (MSVCRT.@)
1346 */
1347 MSVCRT_wchar_t * CDECL _wmktemp(MSVCRT_wchar_t *pattern)
1348 {
1349 int numX = 0;
1350 MSVCRT_wchar_t *retVal = pattern;
1351 int id;
1352 MSVCRT_wchar_t letter = 'a';
1353
1354 while(*pattern)
1355 numX = (*pattern++ == 'X')? numX + 1 : 0;
1356 if (numX < 5)
1357 return NULL;
1358 pattern--;
1359 id = GetCurrentProcessId();
1360 numX = 6;
1361 while(numX--)
1362 {
1363 int tempNum = id / 10;
1364 *pattern-- = id - (tempNum * 10) + '0';
1365 id = tempNum;
1366 }
1367 pattern++;
1368 do
1369 {
1370 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES &&
1371 GetLastError() == ERROR_FILE_NOT_FOUND)
1372 return retVal;
1373 *pattern = letter++;
1374 } while(letter != '|');
1375 return NULL;
1376 }
1377
1378 static unsigned split_oflags(unsigned oflags)
1379 {
1380 int wxflags = 0;
1381 unsigned unsupp; /* until we support everything */
1382
1383 if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
1384 if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */}
1385 else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
1386 else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */}
1387 else wxflags |= WX_TEXT; /* default to TEXT*/
1388 if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1389
1390 if ((unsupp = oflags & ~(
1391 MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|
1392 MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT|
1393 MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY|
1394 MSVCRT__O_NOINHERIT|
1395 MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED
1396 )))
1397 ERR(":unsupported oflags 0x%04x\n",unsupp);
1398
1399 return wxflags;
1400 }
1401
1402 /*********************************************************************
1403 * _pipe (MSVCRT.@)
1404 */
1405 int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode)
1406 {
1407 int ret = -1;
1408 SECURITY_ATTRIBUTES sa;
1409 HANDLE readHandle, writeHandle;
1410
1411 if (!pfds)
1412 {
1413 *MSVCRT__errno() = MSVCRT_EINVAL;
1414 return -1;
1415 }
1416
1417 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
1418 sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT);
1419 sa.lpSecurityDescriptor = NULL;
1420 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
1421 {
1422 unsigned int wxflags = split_oflags(textmode);
1423 int fd;
1424
1425 LOCK_FILES();
1426 fd = msvcrt_alloc_fd(readHandle, wxflags);
1427 if (fd != -1)
1428 {
1429 pfds[0] = fd;
1430 fd = msvcrt_alloc_fd(writeHandle, wxflags);
1431 if (fd != -1)
1432 {
1433 pfds[1] = fd;
1434 ret = 0;
1435 }
1436 else
1437 {
1438 MSVCRT__close(pfds[0]);
1439 CloseHandle(writeHandle);
1440 *MSVCRT__errno() = MSVCRT_EMFILE;
1441 }
1442 }
1443 else
1444 {
1445 CloseHandle(readHandle);
1446 CloseHandle(writeHandle);
1447 *MSVCRT__errno() = MSVCRT_EMFILE;
1448 }
1449 UNLOCK_FILES();
1450 }
1451 else
1452 msvcrt_set_errno(GetLastError());
1453
1454 return ret;
1455 }
1456
1457 /*********************************************************************
1458 * _sopen (MSVCRT.@)
1459 */
1460 int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
1461 {
1462 __ms_va_list ap;
1463 int pmode;
1464 DWORD access = 0, creation = 0, attrib;
1465 DWORD sharing;
1466 int wxflag = 0, fd;
1467 HANDLE hand;
1468 SECURITY_ATTRIBUTES sa;
1469
1470
1471 TRACE(":file (%s) oflags: 0x%04x shflags: 0x%04x\n",
1472 path, oflags, shflags);
1473
1474 wxflag = split_oflags(oflags);
1475 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1476 {
1477 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1478 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1479 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1480 }
1481
1482 if (oflags & MSVCRT__O_CREAT)
1483 {
1484 __ms_va_start(ap, shflags);
1485 pmode = va_arg(ap, int);
1486 __ms_va_end(ap);
1487
1488 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1489 FIXME(": pmode 0x%04x ignored\n", pmode);
1490 else
1491 WARN(": pmode 0x%04x ignored\n", pmode);
1492
1493 if (oflags & MSVCRT__O_EXCL)
1494 creation = CREATE_NEW;
1495 else if (oflags & MSVCRT__O_TRUNC)
1496 creation = CREATE_ALWAYS;
1497 else
1498 creation = OPEN_ALWAYS;
1499 }
1500 else /* no MSVCRT__O_CREAT */
1501 {
1502 if (oflags & MSVCRT__O_TRUNC)
1503 creation = TRUNCATE_EXISTING;
1504 else
1505 creation = OPEN_EXISTING;
1506 }
1507
1508 switch( shflags )
1509 {
1510 case MSVCRT__SH_DENYRW:
1511 sharing = 0L;
1512 break;
1513 case MSVCRT__SH_DENYWR:
1514 sharing = FILE_SHARE_READ;
1515 break;
1516 case MSVCRT__SH_DENYRD:
1517 sharing = FILE_SHARE_WRITE;
1518 break;
1519 case MSVCRT__SH_DENYNO:
1520 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1521 break;
1522 default:
1523 ERR( "Unhandled shflags 0x%x\n", shflags );
1524 return -1;
1525 }
1526 attrib = FILE_ATTRIBUTE_NORMAL;
1527
1528 if (oflags & MSVCRT__O_TEMPORARY)
1529 {
1530 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1531 access |= DELETE;
1532 sharing |= FILE_SHARE_DELETE;
1533 }
1534
1535 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1536 sa.lpSecurityDescriptor = NULL;
1537 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1538
1539 hand = CreateFileA(path, access, sharing, &sa, creation, attrib, 0);
1540
1541 if (hand == INVALID_HANDLE_VALUE) {
1542 WARN(":failed-last error (%d)\n",GetLastError());
1543 msvcrt_set_errno(GetLastError());
1544 return -1;
1545 }
1546
1547 fd = msvcrt_alloc_fd(hand, wxflag);
1548
1549 TRACE(":fd (%d) handle (%p)\n",fd, hand);
1550 return fd;
1551 }
1552
1553 /*********************************************************************
1554 * _wsopen (MSVCRT.@)
1555 */
1556 int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t* path, int oflags, int shflags, ... )
1557 {
1558 __ms_va_list ap;
1559 int pmode;
1560 DWORD access = 0, creation = 0, attrib;
1561 DWORD sharing;
1562 int wxflag = 0, fd;
1563 HANDLE hand;
1564 SECURITY_ATTRIBUTES sa;
1565
1566
1567 TRACE(":file (%s) oflags: 0x%04x shflags: 0x%04x\n",
1568 debugstr_w(path), oflags, shflags);
1569
1570 wxflag = split_oflags(oflags);
1571 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1572 {
1573 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1574 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1575 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1576 }
1577
1578 if (oflags & MSVCRT__O_CREAT)
1579 {
1580 __ms_va_start(ap, shflags);
1581 pmode = va_arg(ap, int);
1582 __ms_va_end(ap);
1583
1584 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1585 FIXME(": pmode 0x%04x ignored\n", pmode);
1586 else
1587 WARN(": pmode 0x%04x ignored\n", pmode);
1588
1589 if (oflags & MSVCRT__O_EXCL)
1590 creation = CREATE_NEW;
1591 else if (oflags & MSVCRT__O_TRUNC)
1592 creation = CREATE_ALWAYS;
1593 else
1594 creation = OPEN_ALWAYS;
1595 }
1596 else /* no MSVCRT__O_CREAT */
1597 {
1598 if (oflags & MSVCRT__O_TRUNC)
1599 creation = TRUNCATE_EXISTING;
1600 else
1601 creation = OPEN_EXISTING;
1602 }
1603
1604 switch( shflags )
1605 {
1606 case MSVCRT__SH_DENYRW:
1607 sharing = 0L;
1608 break;
1609 case MSVCRT__SH_DENYWR:
1610 sharing = FILE_SHARE_READ;
1611 break;
1612 case MSVCRT__SH_DENYRD:
1613 sharing = FILE_SHARE_WRITE;
1614 break;
1615 case MSVCRT__SH_DENYNO:
1616 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1617 break;
1618 default:
1619 ERR( "Unhandled shflags 0x%x\n", shflags );
1620 return -1;
1621 }
1622 attrib = FILE_ATTRIBUTE_NORMAL;
1623
1624 if (oflags & MSVCRT__O_TEMPORARY)
1625 {
1626 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1627 access |= DELETE;
1628 sharing |= FILE_SHARE_DELETE;
1629 }
1630
1631 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1632 sa.lpSecurityDescriptor = NULL;
1633 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1634
1635 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
1636
1637 if (hand == INVALID_HANDLE_VALUE) {
1638 WARN(":failed-last error (%d)\n",GetLastError());
1639 msvcrt_set_errno(GetLastError());
1640 return -1;
1641 }
1642
1643 fd = msvcrt_alloc_fd(hand, wxflag);
1644
1645 TRACE(":fd (%d) handle (%p)\n",fd, hand);
1646 return fd;
1647 }
1648
1649 /*********************************************************************
1650 * _open (MSVCRT.@)
1651 */
1652 int CDECL MSVCRT__open( const char *path, int flags, ... )
1653 {
1654 __ms_va_list ap;
1655
1656 if (flags & MSVCRT__O_CREAT)
1657 {
1658 int pmode;
1659 __ms_va_start(ap, flags);
1660 pmode = va_arg(ap, int);
1661 __ms_va_end(ap);
1662 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1663 }
1664 else
1665 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
1666 }
1667
1668 /*********************************************************************
1669 * _wopen (MSVCRT.@)
1670 */
1671 int CDECL _wopen(const MSVCRT_wchar_t *path,int flags,...)
1672 {
1673 __ms_va_list ap;
1674
1675 if (flags & MSVCRT__O_CREAT)
1676 {
1677 int pmode;
1678 __ms_va_start(ap, flags);
1679 pmode = va_arg(ap, int);
1680 __ms_va_end(ap);
1681 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1682 }
1683 else
1684 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO);
1685 }
1686
1687 /*********************************************************************
1688 * _creat (MSVCRT.@)
1689 */
1690 int CDECL MSVCRT__creat(const char *path, int flags)
1691 {
1692 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1693 return MSVCRT__open(path, usedFlags);
1694 }
1695
1696 /*********************************************************************
1697 * _wcreat (MSVCRT.@)
1698 */
1699 int CDECL _wcreat(const MSVCRT_wchar_t *path, int flags)
1700 {
1701 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1702 return _wopen(path, usedFlags);
1703 }
1704
1705 /*********************************************************************
1706 * _open_osfhandle (MSVCRT.@)
1707 */
1708 int CDECL _open_osfhandle(MSVCRT_intptr_t handle, int oflags)
1709 {
1710 int fd;
1711
1712 /* MSVCRT__O_RDONLY (0) always matches, so set the read flag
1713 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
1714 * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
1715 * text - it never sets MSVCRT__O_BINARY.
1716 */
1717 /* don't let split_oflags() decide the mode if no mode is passed */
1718 if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)))
1719 oflags |= MSVCRT__O_BINARY;
1720
1721 fd = msvcrt_alloc_fd((HANDLE)handle, split_oflags(oflags));
1722 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, oflags);
1723 return fd;
1724 }
1725
1726 /*********************************************************************
1727 * _rmtmp (MSVCRT.@)
1728 */
1729 int CDECL _rmtmp(void)
1730 {
1731 int num_removed = 0, i;
1732
1733 LOCK_FILES();
1734 for (i = 3; i < MSVCRT_stream_idx; i++)
1735 if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_tmpfname)
1736 {
1737 MSVCRT_fclose(MSVCRT_fstreams[i]);
1738 num_removed++;
1739 }
1740 UNLOCK_FILES();
1741
1742 if (num_removed)
1743 TRACE(":removed (%d) temp files\n",num_removed);
1744 return num_removed;
1745 }
1746
1747 /*********************************************************************
1748 * (internal) read_i
1749 *
1750 * When reading \r as last character in text mode, read() positions
1751 * the file pointer on the \r character while getc() goes on to
1752 * the following \n
1753 */
1754 static int read_i(int fd, void *buf, unsigned int count)
1755 {
1756 DWORD num_read;
1757 char *bufstart = buf;
1758 HANDLE hand = msvcrt_fdtoh(fd);
1759
1760 if (MSVCRT_fdesc[fd].wxflag & WX_READEOF) {
1761 MSVCRT_fdesc[fd].wxflag |= WX_ATEOF;
1762 TRACE("already at EOF, returning 0\n");
1763 return 0;
1764 }
1765 /* Don't trace small reads, it gets *very* annoying */
1766 if (count > 4)
1767 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
1768 if (hand == INVALID_HANDLE_VALUE)
1769 return -1;
1770
1771 /* Reading single bytes in O_TEXT mode makes things slow
1772 * So read big chunks
1773 */
1774 if (ReadFile(hand, bufstart, count, &num_read, NULL))
1775 {
1776 if (MSVCRT_fdesc[fd].wxflag & WX_TEXT)
1777 {
1778 DWORD i, j;
1779 if (bufstart[num_read-1] == '\r')
1780 {
1781 MSVCRT_fdesc[fd].wxflag |= WX_READCR;
1782 num_read--;
1783 }
1784 else
1785 MSVCRT_fdesc[fd].wxflag &= ~WX_READCR;
1786 for (i=0, j=0; i<num_read; i++)
1787 {
1788 /* in text mode, a ctrl-z signals EOF */
1789 if (bufstart[i] == 0x1a)
1790 {
1791 MSVCRT_fdesc[fd].wxflag |= (WX_ATEOF|WX_READEOF);
1792 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
1793 break;
1794 }
1795 /* in text mode, strip \r if followed by \n.
1796 * BUG: should save state across calls somehow, so CR LF that
1797 * straddles buffer boundary gets recognized properly?
1798 */
1799 if ((bufstart[i] != '\r')
1800 || ((i+1) < num_read && bufstart[i+1] != '\n'))
1801 bufstart[j++] = bufstart[i];
1802 }
1803 num_read = j;
1804 }
1805 if (count != 0 && num_read == 0)
1806 {
1807 MSVCRT_fdesc[fd].wxflag |= (WX_ATEOF|WX_READEOF);
1808 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
1809 }
1810 }
1811 else
1812 {
1813 if (GetLastError() == ERROR_BROKEN_PIPE)
1814 {
1815 TRACE(":end-of-pipe\n");
1816 MSVCRT_fdesc[fd].wxflag |= (WX_ATEOF|WX_READEOF);
1817 return 0;
1818 }
1819 else
1820 {
1821 TRACE(":failed-last error (%d)\n",GetLastError());
1822 return -1;
1823 }
1824 }
1825
1826 if (count > 4)
1827 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
1828 return num_read;
1829 }
1830
1831 /*********************************************************************
1832 * _read (MSVCRT.@)
1833 */
1834 int CDECL MSVCRT__read(int fd, void *buf, unsigned int count)
1835 {
1836 int num_read;
1837 num_read = read_i(fd, buf, count);
1838 return num_read;
1839 }
1840
1841 /*********************************************************************
1842 * _setmode (MSVCRT.@)
1843 */
1844 int CDECL _setmode(int fd,int mode)
1845 {
1846 int ret = MSVCRT_fdesc[fd].wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
1847 if (mode & (~(MSVCRT__O_TEXT|MSVCRT__O_BINARY)))
1848 FIXME("fd (%d) mode (0x%08x) unknown\n",fd,mode);
1849 if ((mode & MSVCRT__O_TEXT) == MSVCRT__O_TEXT)
1850 MSVCRT_fdesc[fd].wxflag |= WX_TEXT;
1851 else
1852 MSVCRT_fdesc[fd].wxflag &= ~WX_TEXT;
1853 return ret;
1854 }
1855
1856 /*********************************************************************
1857 * _stat64 (MSVCRT.@)
1858 */
1859 int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
1860 {
1861 DWORD dw;
1862 WIN32_FILE_ATTRIBUTE_DATA hfi;
1863 unsigned short mode = ALL_S_IREAD;
1864 int plen;
1865
1866 TRACE(":file (%s) buf(%p)\n",path,buf);
1867
1868 if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
1869 {
1870 TRACE("failed (%d)\n",GetLastError());
1871 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1872 return -1;
1873 }
1874
1875 memset(buf,0,sizeof(struct MSVCRT__stat64));
1876
1877 /* FIXME: rdev isn't drive num, despite what the docs say-what is it?
1878 Bon 011120: This FIXME seems incorrect
1879 Also a letter as first char isn't enough to be classified
1880 as a drive letter
1881 */
1882 if (isalpha(*path)&& (*(path+1)==':'))
1883 buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
1884 else
1885 buf->st_dev = buf->st_rdev = _getdrive() - 1;
1886
1887 plen = strlen(path);
1888
1889 /* Dir, or regular file? */
1890 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
1891 (path[plen-1] == '\\'))
1892 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
1893 else
1894 {
1895 mode |= MSVCRT__S_IFREG;
1896 /* executable? */
1897 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
1898 {
1899 unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
1900 (tolower(path[plen-3]) << 16);
1901 if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
1902 mode |= ALL_S_IEXEC;
1903 }
1904 }
1905
1906 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1907 mode |= ALL_S_IWRITE;
1908
1909 buf->st_mode = mode;
1910 buf->st_nlink = 1;
1911 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1912 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1913 buf->st_atime = dw;
1914 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1915 buf->st_mtime = buf->st_ctime = dw;
1916 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
1917 (int)(buf->st_size >> 32),(int)buf->st_size,
1918 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
1919 return 0;
1920 }
1921
1922 /*********************************************************************
1923 * _stati64 (MSVCRT.@)
1924 */
1925 int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf)
1926 {
1927 int ret;
1928 struct MSVCRT__stat64 buf64;
1929
1930 ret = MSVCRT_stat64(path, &buf64);
1931 if (!ret)
1932 msvcrt_stat64_to_stati64(&buf64, buf);
1933 return ret;
1934 }
1935
1936 /*********************************************************************
1937 * _stat (MSVCRT.@)
1938 */
1939 int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf)
1940 { int ret;
1941 struct MSVCRT__stat64 buf64;
1942
1943 ret = MSVCRT_stat64( path, &buf64);
1944 if (!ret)
1945 msvcrt_stat64_to_stat(&buf64, buf);
1946 return ret;
1947 }
1948
1949 /*********************************************************************
1950 * _wstat64 (MSVCRT.@)
1951 */
1952 int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf)
1953 {
1954 DWORD dw;
1955 WIN32_FILE_ATTRIBUTE_DATA hfi;
1956 unsigned short mode = ALL_S_IREAD;
1957 int plen;
1958
1959 TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
1960
1961 if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
1962 {
1963 TRACE("failed (%d)\n",GetLastError());
1964 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1965 return -1;
1966 }
1967
1968 memset(buf,0,sizeof(struct MSVCRT__stat64));
1969
1970 /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
1971 if (MSVCRT_iswalpha(*path))
1972 buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
1973 else
1974 buf->st_dev = buf->st_rdev = _getdrive() - 1;
1975
1976 plen = strlenW(path);
1977
1978 /* Dir, or regular file? */
1979 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
1980 (path[plen-1] == '\\'))
1981 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
1982 else
1983 {
1984 mode |= MSVCRT__S_IFREG;
1985 /* executable? */
1986 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
1987 {
1988 ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
1989 ((ULONGLONG)tolowerW(path[plen-3]) << 32);
1990 if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
1991 mode |= ALL_S_IEXEC;
1992 }
1993 }
1994
1995 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1996 mode |= ALL_S_IWRITE;
1997
1998 buf->st_mode = mode;
1999 buf->st_nlink = 1;
2000 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2001 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2002 buf->st_atime = dw;
2003 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2004 buf->st_mtime = buf->st_ctime = dw;
2005 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2006 (int)(buf->st_size >> 32),(int)buf->st_size,
2007 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2008 return 0;
2009 }
2010
2011 /*********************************************************************
2012 * _wstati64 (MSVCRT.@)
2013 */
2014 int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
2015 {
2016 int ret;
2017 struct MSVCRT__stat64 buf64;
2018
2019 ret = MSVCRT__wstat64(path, &buf64);
2020 if (!ret)
2021 msvcrt_stat64_to_stati64(&buf64, buf);
2022 return ret;
2023 }
2024
2025 /*********************************************************************
2026 * _wstat (MSVCRT.@)
2027 */
2028 int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
2029 {
2030 int ret;
2031 struct MSVCRT__stat64 buf64;
2032
2033 ret = MSVCRT__wstat64( path, &buf64 );
2034 if (!ret) msvcrt_stat64_to_stat(&buf64, buf);
2035 return ret;
2036 }
2037
2038 /*********************************************************************
2039 * _tell (MSVCRT.@)
2040 */
2041 MSVCRT_long CDECL _tell(int fd)
2042 {
2043 return MSVCRT__lseek(fd, 0, SEEK_CUR);
2044 }
2045
2046 /*********************************************************************
2047 * _telli64 (MSVCRT.@)
2048 */
2049 __int64 CDECL _telli64(int fd)
2050 {
2051 return MSVCRT__lseeki64(fd, 0, SEEK_CUR);
2052 }
2053
2054 /*********************************************************************
2055 * _tempnam (MSVCRT.@)
2056 */
2057 char * CDECL _tempnam(const char *dir, const char *prefix)
2058 {
2059 char tmpbuf[MAX_PATH];
2060 const char *tmp_dir = MSVCRT_getenv("TMP");
2061
2062 if (tmp_dir) dir = tmp_dir;
2063
2064 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
2065 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
2066 {
2067 TRACE("got name (%s)\n",tmpbuf);
2068 DeleteFileA(tmpbuf);
2069 return _strdup(tmpbuf);
2070 }
2071 TRACE("failed (%d)\n",GetLastError());
2072 return NULL;
2073 }
2074
2075 /*********************************************************************
2076 * _wtempnam (MSVCRT.@)
2077 */
2078 MSVCRT_wchar_t * CDECL _wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
2079 {
2080 MSVCRT_wchar_t tmpbuf[MAX_PATH];
2081
2082 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
2083 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
2084 {
2085 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
2086 DeleteFileW(tmpbuf);
2087 return _wcsdup(tmpbuf);
2088 }
2089 TRACE("failed (%d)\n",GetLastError());
2090 return NULL;
2091 }
2092
2093 /*********************************************************************
2094 * _umask (MSVCRT.@)
2095 */
2096 int CDECL MSVCRT__umask(int umask)
2097 {
2098 int old_umask = MSVCRT_umask;
2099 TRACE("(%d)\n",umask);
2100 MSVCRT_umask = umask;
2101 return old_umask;
2102 }
2103
2104 /*********************************************************************
2105 * _utime64 (MSVCRT.@)
2106 */
2107 int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t)
2108 {
2109 int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2110
2111 if (fd > 0)
2112 {
2113 int retVal = _futime64(fd, t);
2114 MSVCRT__close(fd);
2115 return retVal;
2116 }
2117 return -1;
2118 }
2119
2120 /*********************************************************************
2121 * _utime32 (MSVCRT.@)
2122 */
2123 int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t)
2124 {
2125 struct MSVCRT___utimbuf64 t64;
2126 t64.actime = t->actime;
2127 t64.modtime = t->modtime;
2128 return _utime64( path, &t64 );
2129 }
2130
2131 /*********************************************************************
2132 * _utime (MSVCRT.@)
2133 */
2134 #ifdef _WIN64
2135 int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t)
2136 {
2137 return _utime64( path, t );
2138 }
2139 #else
2140 int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t)
2141 {
2142 return _utime32( path, t );
2143 }
2144 #endif
2145
2146 /*********************************************************************
2147 * _wutime64 (MSVCRT.@)
2148 */
2149 int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2150 {
2151 int fd = _wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2152
2153 if (fd > 0)
2154 {
2155 int retVal = _futime64(fd, t);
2156 MSVCRT__close(fd);
2157 return retVal;
2158 }
2159 return -1;
2160 }
2161
2162 /*********************************************************************
2163 * _wutime32 (MSVCRT.@)
2164 */
2165 int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2166 {
2167 struct MSVCRT___utimbuf64 t64;
2168 t64.actime = t->actime;
2169 t64.modtime = t->modtime;
2170 return _wutime64( path, &t64 );
2171 }
2172
2173 /*********************************************************************
2174 * _wutime (MSVCRT.@)
2175 */
2176 #ifdef _WIN64
2177 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2178 {
2179 return _wutime64( path, t );
2180 }
2181 #else
2182 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2183 {
2184 return _wutime32( path, t );
2185 }
2186 #endif
2187
2188 /*********************************************************************
2189 * _write (MSVCRT.@)
2190 */
2191 int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
2192 {
2193 DWORD num_written;
2194 HANDLE hand = msvcrt_fdtoh(fd);
2195
2196 /* Don't trace small writes, it gets *very* annoying */
2197 #if 0
2198 if (count > 32)
2199 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
2200 #endif
2201 if (hand == INVALID_HANDLE_VALUE)
2202 {
2203 *MSVCRT__errno() = MSVCRT_EBADF;
2204 return -1;
2205 }
2206
2207 /* If appending, go to EOF */
2208 if (MSVCRT_fdesc[fd].wxflag & WX_APPEND)
2209 MSVCRT__lseek(fd, 0, FILE_END);
2210
2211 if (!(MSVCRT_fdesc[fd].wxflag & WX_TEXT))
2212 {
2213 if (WriteFile(hand, buf, count, &num_written, NULL)
2214 && (num_written == count))
2215 return num_written;
2216 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
2217 hand, GetLastError());
2218 *MSVCRT__errno() = MSVCRT_ENOSPC;
2219 }
2220 else
2221 {
2222 unsigned int i, j, nr_lf;
2223 char *p = NULL;
2224 const char *q;
2225 const char *s = buf, *buf_start = buf;
2226 /* find number of \n ( without preceding \r ) */
2227 for ( nr_lf=0,i = 0; i <count; i++)
2228 {
2229 if (s[i]== '\n')
2230 {
2231 nr_lf++;
2232 /*if ((i >1) && (s[i-1] == '\r')) nr_lf--; */
2233 }
2234 }
2235 if (nr_lf)
2236 {
2237 if ((q = p = MSVCRT_malloc(count + nr_lf)))
2238 {
2239 for (s = buf, i = 0, j = 0; i < count; i++)
2240 {
2241 if (s[i]== '\n')
2242 {
2243 p[j++] = '\r';
2244 /*if ((i >1) && (s[i-1] == '\r'))j--;*/
2245 }
2246 p[j++] = s[i];
2247 }
2248 }
2249 else
2250 {
2251 FIXME("Malloc failed\n");
2252 nr_lf =0;
2253 q = buf;
2254 }
2255 }
2256 else
2257 q = buf;
2258
2259 if ((WriteFile(hand, q, count+nr_lf, &num_written, NULL) == 0 ) || (num_written != count+nr_lf))
2260 {
2261 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
2262 fd, hand, GetLastError(), num_written);
2263 *MSVCRT__errno() = MSVCRT_ENOSPC;
2264 if(nr_lf)
2265 MSVCRT_free(p);
2266 return s - buf_start;
2267 }
2268 else
2269 {
2270 if(nr_lf)
2271 MSVCRT_free(p);
2272 return count;
2273 }
2274 }
2275 return -1;
2276 }
2277
2278 /*********************************************************************
2279 * _putw (MSVCRT.@)
2280 */
2281 int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
2282 {
2283 int len;
2284 len = MSVCRT__write(file->_file, &val, sizeof(val));
2285 if (len == sizeof(val)) return val;
2286 file->_flag |= MSVCRT__IOERR;
2287 return MSVCRT_EOF;
2288 }
2289
2290 /*********************************************************************
2291 * fclose (MSVCRT.@)
2292 */
2293 int CDECL MSVCRT_fclose(MSVCRT_FILE* file)
2294 {
2295 int r, flag;
2296
2297 flag = file->_flag;
2298 MSVCRT_free(file->_tmpfname);
2299 file->_tmpfname = NULL;
2300 /* flush stdio buffers */
2301 if(file->_flag & MSVCRT__IOWRT)
2302 MSVCRT_fflush(file);
2303 if(file->_flag & MSVCRT__IOMYBUF)
2304 MSVCRT_free(file->_base);
2305
2306 r=MSVCRT__close(file->_file);
2307
2308 file->_flag = 0;
2309
2310 return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
2311 }
2312
2313 /*********************************************************************
2314 * feof (MSVCRT.@)
2315 */
2316 int CDECL MSVCRT_feof(MSVCRT_FILE* file)
2317 {
2318 return file->_flag & MSVCRT__IOEOF;
2319 }
2320
2321 /*********************************************************************
2322 * ferror (MSVCRT.@)
2323 */
2324 int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
2325 {
2326 return file->_flag & MSVCRT__IOERR;
2327 }
2328
2329 /*********************************************************************
2330 * _filbuf (MSVCRT.@)
2331 */
2332 int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
2333 {
2334 /* Allocate buffer if needed */
2335 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF) ) {
2336 msvcrt_alloc_buffer(file);
2337 }
2338 if(!(file->_flag & MSVCRT__IOREAD)) {
2339 if(file->_flag & MSVCRT__IORW) {
2340 file->_flag |= MSVCRT__IOREAD;
2341 } else {
2342 return MSVCRT_EOF;
2343 }
2344 }
2345 if(file->_flag & MSVCRT__IONBF) {
2346 unsigned char c;
2347 int r;
2348 if ((r = read_i(file->_file,&c,1)) != 1) {
2349 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2350 return MSVCRT_EOF;
2351 }
2352 return c;
2353 } else {
2354 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
2355 if(file->_cnt<=0) {
2356 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2357 file->_cnt = 0;
2358 return MSVCRT_EOF;
2359 }
2360 file->_cnt--;
2361 file->_ptr = file->_base+1;
2362 return *(unsigned char *)file->_base;
2363 }
2364 }
2365
2366 /*********************************************************************
2367 * fgetc (MSVCRT.@)
2368 */
2369 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
2370 {
2371 unsigned char *i;
2372 unsigned int j;
2373 if (file->_cnt>0) {
2374 file->_cnt--;
2375 i = (unsigned char *)file->_ptr++;
2376 j = *i;
2377 } else
2378 j = MSVCRT__filbuf(file);
2379 return j;
2380 }
2381
2382 /*********************************************************************
2383 * _fgetchar (MSVCRT.@)
2384 */
2385 int CDECL _fgetchar(void)
2386 {
2387 return MSVCRT_fgetc(MSVCRT_stdin);
2388 }
2389
2390 /*********************************************************************
2391 * fgets (MSVCRT.@)
2392 */
2393 char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
2394 {
2395 int cc = MSVCRT_EOF;
2396 char * buf_start = s;
2397
2398 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2399 file,file->_file,s,size);
2400
2401 while ((size >1) && (cc = MSVCRT_fgetc(file)) != MSVCRT_EOF && cc != '\n')
2402 {
2403 *s++ = (char)cc;
2404 size --;
2405 }
2406 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
2407 {
2408 TRACE(":nothing read\n");
2409 return NULL;
2410 }
2411 if ((cc != MSVCRT_EOF) && (size > 1))
2412 *s++ = cc;
2413 *s = '\0';
2414 TRACE(":got %s\n", debugstr_a(buf_start));
2415 return buf_start;
2416 }
2417
2418 /*********************************************************************
2419 * fgetwc (MSVCRT.@)
2420 *
2421 * In MSVCRT__O_TEXT mode, multibyte characters are read from the file, dropping
2422 * the CR from CR/LF combinations
2423 */
2424 MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
2425 {
2426 char c;
2427
2428 if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
2429 {
2430 MSVCRT_wchar_t wc;
2431 unsigned int i;
2432 int j;
2433 char *chp, *wcp;
2434 wcp = (char *)&wc;
2435 for(i=0; i<sizeof(wc); i++)
2436 {
2437 if (file->_cnt>0)
2438 {
2439 file->_cnt--;
2440 chp = file->_ptr++;
2441 wcp[i] = *chp;
2442 }
2443 else
2444 {
2445 j = MSVCRT__filbuf(file);
2446 if(file->_cnt<=0)
2447 {
2448 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2449 file->_cnt = 0;
2450 return MSVCRT_WEOF;
2451 }
2452 wcp[i] = j;
2453 }
2454 }
2455 return wc;
2456 }
2457
2458 c = MSVCRT_fgetc(file);
2459 if ((MSVCRT___mb_cur_max > 1) && MSVCRT_isleadbyte(c))
2460 {
2461 FIXME("Treat Multibyte characters\n");
2462 }
2463 if (c == MSVCRT_EOF)
2464 return MSVCRT_WEOF;
2465 else
2466 return (MSVCRT_wint_t)c;
2467 }
2468
2469 /*********************************************************************
2470 * _getw (MSVCRT.@)
2471 */
2472 int CDECL MSVCRT__getw(MSVCRT_FILE* file)
2473 {
2474 char *ch;
2475 int i, k;
2476 unsigned int j;
2477 ch = (char *)&i;
2478 for (j=0; j<sizeof(int); j++) {
2479 k = MSVCRT_fgetc(file);
2480 if (k == MSVCRT_EOF) {
2481 file->_flag |= MSVCRT__IOEOF;
2482 return EOF;
2483 }
2484 ch[j] = k;
2485 }
2486 return i;
2487 }
2488
2489 /*********************************************************************
2490 * getwc (MSVCRT.@)
2491 */
2492 MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
2493 {
2494 return MSVCRT_fgetwc(file);
2495 }
2496
2497 /*********************************************************************
2498 * _fgetwchar (MSVCRT.@)
2499 */
2500 MSVCRT_wint_t CDECL _fgetwchar(void)
2501 {
2502 return MSVCRT_fgetwc(MSVCRT_stdin);
2503 }
2504
2505 /*********************************************************************
2506 * getwchar (MSVCRT.@)
2507 */
2508 MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
2509 {
2510 return _fgetwchar();
2511 }
2512
2513 /*********************************************************************
2514 * fgetws (MSVCRT.@)
2515 */
2516 MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
2517 {
2518 int cc = MSVCRT_WEOF;
2519 MSVCRT_wchar_t * buf_start = s;
2520
2521 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2522 file,file->_file,s,size);
2523
2524 while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n')
2525 {
2526 *s++ = (char)cc;
2527 size --;
2528 }
2529 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
2530 {
2531 TRACE(":nothing read\n");
2532 return NULL;
2533 }
2534 if ((cc != MSVCRT_WEOF) && (size > 1))
2535 *s++ = cc;
2536 *s = 0;
2537 TRACE(":got %s\n", debugstr_w(buf_start));
2538 return buf_start;
2539 }
2540
2541 /*********************************************************************
2542 * fwrite (MSVCRT.@)
2543 */
2544 MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
2545 {
2546 MSVCRT_size_t wrcnt=size * nmemb;
2547 int written = 0;
2548 if (size == 0)
2549 return 0;
2550 if(file->_cnt) {
2551 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
2552 memcpy(file->_ptr, ptr, pcnt);
2553 file->_cnt -= pcnt;
2554 file->_ptr += pcnt;
2555 written = pcnt;
2556 wrcnt -= pcnt;
2557 ptr = (const char*)ptr + pcnt;
2558 } else if(!(file->_flag & MSVCRT__IOWRT)) {
2559 if(file->_flag & MSVCRT__IORW) {
2560 file->_flag |= MSVCRT__IOWRT;
2561 } else
2562 return 0;
2563 }
2564 if(wrcnt) {
2565 /* Flush buffer */
2566 int res=msvcrt_flush_buffer(file);
2567 if(!res) {
2568 int pwritten = MSVCRT__write(file->_file, ptr, wrcnt);
2569 if (pwritten <= 0)
2570 {
2571 file->_flag |= MSVCRT__IOERR;
2572 pwritten=0;
2573 }
2574 written += pwritten;
2575 }
2576 }
2577 return written / size;
2578 }
2579
2580 /*********************************************************************
2581 * fputwc (MSVCRT.@)
2582 */
2583 MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
2584 {
2585 MSVCRT_wchar_t mwc=wc;
2586 if (MSVCRT_fwrite( &mwc, sizeof(mwc), 1, file) != 1)
2587 return MSVCRT_WEOF;
2588 return wc;
2589 }
2590
2591 /*********************************************************************
2592 * _fputwchar (MSVCRT.@)
2593 */
2594 MSVCRT_wint_t CDECL _fputwchar(MSVCRT_wint_t wc)
2595 {
2596 return MSVCRT_fputwc(wc, MSVCRT_stdout);
2597 }
2598
2599 /*********************************************************************
2600 * _wfsopen (MSVCRT.@)
2601 */
2602 MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
2603 {
2604 MSVCRT_FILE* file;
2605 int open_flags, stream_flags, fd;
2606
2607 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
2608
2609 /* map mode string to open() flags. "man fopen" for possibilities. */
2610 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
2611 return NULL;
2612
2613 LOCK_FILES();
2614 fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
2615 if (fd < 0)
2616 file = NULL;
2617 else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
2618 != -1)
2619 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
2620 else if (file)
2621 {
2622 file->_flag = 0;
2623 file = NULL;
2624 }
2625
2626 TRACE(":got (%p)\n",file);
2627 if (fd >= 0 && !file)
2628 MSVCRT__close(fd);
2629 UNLOCK_FILES();
2630 return file;
2631 }
2632
2633 /*********************************************************************
2634 * _fsopen (MSVCRT.@)
2635 */
2636 MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
2637 {
2638 MSVCRT_FILE *ret;
2639 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
2640
2641 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
2642 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
2643 {
2644 MSVCRT_free(pathW);
2645 return NULL;
2646 }
2647
2648 ret = MSVCRT__wfsopen(pathW, modeW, share);
2649
2650 MSVCRT_free(pathW);
2651 MSVCRT_free(modeW);
2652 return ret;
2653 }
2654
2655 /*********************************************************************
2656 * fopen (MSVCRT.@)
2657 */
2658 MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
2659 {
2660 return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
2661 }
2662
2663 /*********************************************************************
2664 * _wfopen (MSVCRT.@)
2665 */
2666 MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
2667 {
2668 return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
2669 }
2670
2671 /* MSVCRT_fputc calls MSVCRT__flsbuf which calls MSVCRT_fputc */
2672 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file);
2673
2674 /*********************************************************************
2675 * fputc (MSVCRT.@)
2676 */
2677 int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
2678 {
2679 if(file->_cnt>0) {
2680 *file->_ptr++=c;
2681 file->_cnt--;
2682 if (c == '\n')
2683 {
2684 int res = msvcrt_flush_buffer(file);
2685 return res ? res : c;
2686 }
2687 else
2688 return c & 0xff;
2689 } else {
2690 return MSVCRT__flsbuf(c, file);
2691 }
2692 }
2693
2694 /*********************************************************************
2695 * _flsbuf (MSVCRT.@)
2696 */
2697 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
2698 {
2699 /* Flush output buffer */
2700 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
2701 msvcrt_alloc_buffer(file);
2702 }
2703 if(!(file->_flag & MSVCRT__IOWRT)) {
2704 if(file->_flag & MSVCRT__IORW) {
2705 file->_flag |= MSVCRT__IOWRT;
2706 } else {
2707 return MSVCRT_EOF;
2708 }
2709 }
2710 if(file->_bufsiz) {
2711 int res=msvcrt_flush_buffer(file);
2712 return res?res : MSVCRT_fputc(c, file);
2713 } else {
2714 unsigned char cc=c;
2715 int len;
2716 /* set _cnt to 0 for unbuffered FILEs */
2717 file->_cnt = 0;
2718 len = MSVCRT__write(file->_file, &cc, 1);
2719 if (len == 1) return c & 0xff;
2720 file->_flag |= MSVCRT__IOERR;
2721 return MSVCRT_EOF;
2722 }
2723 }
2724
2725 /*********************************************************************
2726 * _fputchar (MSVCRT.@)
2727 */
2728 int CDECL _fputchar(int c)
2729 {
2730 return MSVCRT_fputc(c, MSVCRT_stdout);
2731 }
2732
2733 /*********************************************************************
2734 * fread (MSVCRT.@)
2735 */
2736 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
2737 { MSVCRT_size_t rcnt=size * nmemb;
2738 MSVCRT_size_t read=0;
2739 int pread=0;
2740
2741 if(!rcnt)
2742 return 0;
2743
2744 /* first buffered data */
2745 if(file->_cnt>0) {
2746 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
2747 memcpy(ptr, file->_ptr, pcnt);
2748 file->_cnt -= pcnt;
2749 file->_ptr += pcnt;
2750 read += pcnt ;
2751 rcnt -= pcnt ;
2752 ptr = (char*)ptr + pcnt;
2753 } else if(!(file->_flag & MSVCRT__IOREAD )) {
2754 if(file->_flag & MSVCRT__IORW) {
2755 file->_flag |= MSVCRT__IOREAD;
2756 } else
2757 return 0;
2758 }
2759 while(rcnt>0)
2760 {
2761 int i;
2762 /* Fill the buffer on small reads.
2763 * TODO: Use a better buffering strategy.
2764 */
2765 if (!file->_cnt && size*nmemb <= MSVCRT_BUFSIZ/2 && !(file->_flag & MSVCRT__IONBF)) {
2766 if (file->_bufsiz == 0) {
2767 msvcrt_alloc_buffer(file);
2768 }
2769 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
2770 file->_ptr = file->_base;
2771 i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
2772 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
2773 if (i > 0 && i < file->_cnt) {
2774 MSVCRT_fdesc[file->_file].wxflag &= ~WX_ATEOF;
2775 file->_flag &= ~MSVCRT__IOEOF;
2776 }
2777 if (i > 0) {
2778 memcpy(ptr, file->_ptr, i);
2779 file->_cnt -= i;
2780 file->_ptr += i;
2781 }
2782 } else {
2783 i = MSVCRT__read(file->_file,ptr, rcnt);
2784 }
2785 pread += i;
2786 rcnt -= i;
2787 ptr = (char *)ptr+i;
2788 /* expose feof condition in the flags
2789 * MFC tests file->_flag for feof, and doesn't call feof())
2790 */
2791 if ( MSVCRT_fdesc[file->_file].wxflag & WX_ATEOF)
2792 file->_flag |= MSVCRT__IOEOF;
2793 else if (i == -1)
2794 {
2795 file->_flag |= MSVCRT__IOERR;
2796 pread = 0;
2797 rcnt = 0;
2798 }
2799 if (i < 1) break;
2800 }
2801 read+=pread;
2802 return read / size;
2803 }
2804
2805 /*********************************************************************
2806 * _wfreopen (MSVCRT.@)
2807 *
2808 */
2809 MSVCRT_FILE* CDECL _wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
2810 {
2811 int open_flags, stream_flags, fd;
2812
2813 TRACE(":path (%p) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file->_file);
2814
2815 LOCK_FILES();
2816 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
2817 file = NULL;
2818 else
2819 {
2820 MSVCRT_fclose(file);
2821 /* map mode string to open() flags. "man fopen" for possibilities. */
2822 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
2823 file = NULL;
2824 else
2825 {
2826 fd = _wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
2827 if (fd < 0)
2828 file = NULL;
2829 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
2830 {
2831 file->_flag = 0;
2832 WARN(":failed-last error (%d)\n",GetLastError());
2833 msvcrt_set_errno(GetLastError());
2834 file = NULL;
2835 }
2836 }
2837 }
2838 UNLOCK_FILES();
2839 return file;
2840 }
2841
2842 /*********************************************************************
2843 * freopen (MSVCRT.@)
2844 *
2845 */
2846 MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
2847 {
2848 MSVCRT_FILE *ret;
2849 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
2850
2851 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
2852 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
2853 {
2854 MSVCRT_free(pathW);
2855 return NULL;
2856 }
2857
2858 ret = _wfreopen(pathW, modeW, file);
2859
2860 MSVCRT_free(pathW);
2861 MSVCRT_free(modeW);
2862 return ret;
2863 }
2864
2865 /*********************************************************************
2866 * fsetpos (MSVCRT.@)
2867 */
2868 int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
2869 {
2870 /* Note that all this has been lifted 'as is' from fseek */
2871 if(file->_flag & MSVCRT__IOWRT)
2872 msvcrt_flush_buffer(file);
2873
2874 /* Discard buffered input */
2875 file->_cnt = 0;
2876 file->_ptr = file->_base;
2877
2878 /* Reset direction of i/o */
2879 if(file->_flag & MSVCRT__IORW) {
2880 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
2881 }
2882
2883 return (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
2884 }
2885
2886 /*********************************************************************
2887 * ftell (MSVCRT.@)
2888 */
2889 LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
2890 {
2891 /* TODO: just call fgetpos and return lower half of result */
2892 int off=0;
2893 MSVCRT_long pos;
2894 pos = _tell(file->_file);
2895 if(pos == -1) return -1;
2896 if(file->_bufsiz) {
2897 if( file->_flag & MSVCRT__IOWRT ) {
2898 off = file->_ptr - file->_base;
2899 } else {
2900 off = -file->_cnt;
2901 if (MSVCRT_fdesc[file->_file].wxflag & WX_TEXT) {
2902 /* Black magic correction for CR removal */
2903 int i;
2904 for (i=0; i<file->_cnt; i++) {
2905 if (file->_ptr[i] == '\n')
2906 off--;
2907 }
2908 /* Black magic when reading CR at buffer boundary*/
2909 if(MSVCRT_fdesc[file->_file].wxflag & WX_READCR)
2910 off--;
2911
2912 }
2913 }
2914 }
2915 return off + pos;
2916 }
2917
2918 /*********************************************************************
2919 * fgetpos (MSVCRT.@)
2920 */
2921 int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
2922 {
2923 int off=0;
2924 *pos = MSVCRT__lseeki64(file->_file,0,SEEK_CUR);
2925 if(*pos == -1) return -1;
2926 if(file->_bufsiz) {
2927 if( file->_flag & MSVCRT__IOWRT ) {
2928 off = file->_ptr - file->_base;
2929 } else {
2930 off = -file->_cnt;
2931 if (MSVCRT_fdesc[file->_file].wxflag & WX_TEXT) {
2932 /* Black magic correction for CR removal */
2933 int i;
2934 for (i=0; i<file->_cnt; i++) {
2935 if (file->_ptr[i] == '\n')
2936 off--;
2937 }
2938 /* Black magic when reading CR at buffer boundary*/
2939 if(MSVCRT_fdesc[file->_file].wxflag & WX_READCR)
2940 off--;
2941 }
2942 }
2943 }
2944 *pos += off;
2945 return 0;
2946 }
2947
2948 /*********************************************************************
2949 * fputs (MSVCRT.@)
2950 */
2951 int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
2952 {
2953 MSVCRT_size_t i, len = strlen(s);
2954 if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
2955 return MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
2956 for (i=0; i<len; i++)
2957 if (MSVCRT_fputc(s[i], file) == MSVCRT_EOF)
2958 return MSVCRT_EOF;
2959 return 0;
2960 }
2961
2962 /*********************************************************************
2963 * fputws (MSVCRT.@)
2964 */
2965 int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
2966 {
2967 MSVCRT_size_t i, len = strlenW(s);
2968 if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
2969 return MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
2970 for (i=0; i<len; i++)
2971 {
2972 if ((s[i] == '\n') && (MSVCRT_fputc('\r', file) == MSVCRT_EOF))
2973 return MSVCRT_WEOF;
2974 if (MSVCRT_fputwc(s[i], file) == MSVCRT_WEOF)
2975 return MSVCRT_WEOF;
2976 }
2977 return 0;
2978 }
2979
2980 /*********************************************************************
2981 * getchar (MSVCRT.@)
2982 */
2983 int CDECL MSVCRT_getchar(void)
2984 {
2985 return MSVCRT_fgetc(MSVCRT_stdin);
2986 }
2987
2988 /*********************************************************************
2989 * getc (MSVCRT.@)
2990 */
2991 int CDECL MSVCRT_getc(MSVCRT_FILE* file)
2992 {
2993 return MSVCRT_fgetc(file);
2994 }
2995
2996 /*********************************************************************
2997 * gets (MSVCRT.@)
2998 */
2999 char * CDECL MSVCRT_gets(char *buf)
3000 {
3001 int cc;
3002 char * buf_start = buf;
3003
3004 for(cc = MSVCRT_fgetc(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
3005 cc = MSVCRT_fgetc(MSVCRT_stdin))
3006 if(cc != '\r') *buf++ = (char)cc;
3007
3008 *buf = '\0';
3009
3010 TRACE("got '%s'\n", buf_start);
3011 return buf_start;
3012 }
3013
3014 /*********************************************************************
3015 * _getws (MSVCRT.@)
3016 */
3017 MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
3018 {
3019 MSVCRT_wint_t cc;
3020 MSVCRT_wchar_t* ws = buf;
3021
3022 for (cc = MSVCRT_fgetwc(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
3023 cc = MSVCRT_fgetwc(MSVCRT_stdin))
3024 {
3025 if (cc != '\r')
3026 *buf++ = (MSVCRT_wchar_t)cc;
3027 }
3028 *buf = '\0';
3029
3030 TRACE("got %s\n", debugstr_w(ws));
3031 return ws;
3032 }
3033
3034 /*********************************************************************
3035 * putc (MSVCRT.@)
3036 */
3037 int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
3038 {
3039 return MSVCRT_fputc(c, file);
3040 }
3041
3042 /*********************************************************************
3043 * putchar (MSVCRT.@)
3044 */
3045 int CDECL MSVCRT_putchar(int c)
3046 {
3047 return MSVCRT_fputc(c, MSVCRT_stdout);
3048 }
3049
3050 /*********************************************************************
3051 * puts (MSVCRT.@)
3052 */
3053 int CDECL MSVCRT_puts(const char *s)
3054 {
3055 MSVCRT_size_t len = strlen(s);
3056 if (MSVCRT_fwrite(s,sizeof(*s),len,MSVCRT_stdout) != len) return MSVCRT_EOF;
3057 return MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3058 }
3059
3060 /*********************************************************************
3061 * _putws (MSVCRT.@)
3062 */
3063 int CDECL _putws(const MSVCRT_wchar_t *s)
3064 {
3065 static const MSVCRT_wchar_t nl = '\n';
3066 MSVCRT_size_t len = strlenW(s);
3067 if (MSVCRT_fwrite(s,sizeof(*s),len,MSVCRT_stdout) != len) return MSVCRT_EOF;
3068 return MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3069 }
3070
3071 /*********************************************************************
3072 * remove (MSVCRT.@)
3073 */
3074 int CDECL MSVCRT_remove(const char *path)
3075 {
3076 TRACE("(%s)\n",path);
3077 if (DeleteFileA(path))
3078 return 0;
3079 TRACE(":failed (%d)\n",GetLastError());
3080 msvcrt_set_errno(GetLastError());
3081 return -1;
3082 }
3083
3084 /*********************************************************************
3085 * _wremove (MSVCRT.@)
3086 */
3087 int CDECL _wremove(const MSVCRT_wchar_t *path)
3088 {
3089 TRACE("(%s)\n",debugstr_w(path));
3090 if (DeleteFileW(path))
3091 return 0;
3092 TRACE(":failed (%d)\n",GetLastError());
3093 msvcrt_set_errno(GetLastError());
3094 return -1;
3095 }
3096
3097 /*********************************************************************
3098 * rename (MSVCRT.@)
3099 */
3100 int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
3101 {
3102 TRACE(":from %s to %s\n",oldpath,newpath);
3103 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3104 return 0;
3105 TRACE(":failed (%d)\n",GetLastError());
3106 msvcrt_set_errno(GetLastError());
3107 return -1;
3108 }
3109
3110 /*********************************************************************
3111 * _wrename (MSVCRT.@)
3112 */
3113 int CDECL _wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
3114 {
3115 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
3116 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3117 return 0;
3118 TRACE(":failed (%d)\n",GetLastError());
3119 msvcrt_set_errno(GetLastError());
3120 return -1;
3121 }
3122
3123 /*********************************************************************
3124 * setvbuf (MSVCRT.@)
3125 */
3126 int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
3127 {
3128 /* TODO: Check if file busy */
3129 if(file->_bufsiz) {
3130 MSVCRT_free(file->_base);
3131 file->_bufsiz = 0;
3132 file->_cnt = 0;
3133 }
3134 if(mode == MSVCRT__IOFBF) {
3135 file->_flag &= ~MSVCRT__IONBF;
3136 file->_base = file->_ptr = buf;
3137 if(buf) {
3138 file->_bufsiz = size;
3139 }
3140 } else {
3141 file->_flag |= MSVCRT__IONBF;
3142 }
3143 return 0;
3144 }
3145
3146 /*********************************************************************
3147 * setbuf (MSVCRT.@)
3148 */
3149 void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
3150 {
3151 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
3152 }
3153
3154 /*********************************************************************
3155 * tmpnam (MSVCRT.@)
3156 */
3157 char * CDECL MSVCRT_tmpnam(char *s)
3158 {
3159 static int unique;
3160 char tmpstr[16];
3161 char *p;
3162 int count;
3163 if (s == 0)
3164 s = MSVCRT_tmpname;
3165 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
3166 p = s + sprintf(s, "\\s%s.", tmpstr);
3167 for (count = 0; count < MSVCRT_TMP_MAX; count++)
3168 {
3169 msvcrt_int_to_base32(unique++, tmpstr);
3170 strcpy(p, tmpstr);
3171 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
3172 GetLastError() == ERROR_FILE_NOT_FOUND)
3173 break;
3174 }
3175 return s;
3176 }
3177
3178 /*********************************************************************
3179 * tmpfile (MSVCRT.@)
3180 */
3181 MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
3182 {
3183 char *filename = MSVCRT_tmpnam(NULL);
3184 int fd;
3185 MSVCRT_FILE* file = NULL;
3186
3187 LOCK_FILES();
3188 fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY);
3189 if (fd != -1 && (file = msvcrt_alloc_fp()))
3190 {
3191 if (msvcrt_init_fp(file, fd, MSVCRT__O_RDWR) == -1)
3192 {
3193 file->_flag = 0;
3194 file = NULL;
3195 }
3196 else file->_tmpfname = _strdup(filename);
3197 }
3198 UNLOCK_FILES();
3199 return file;
3200 }
3201
3202 /*********************************************************************
3203 * vfprintf (MSVCRT.@)
3204 */
3205 int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
3206 {
3207 char buf[2048], *mem = buf;
3208 int written, resize = sizeof(buf), retval;
3209 /* There are two conventions for vsnprintf failing:
3210 * Return -1 if we truncated, or
3211 * Return the number of bytes that would have been written
3212 * The code below handles both cases
3213 */
3214 while ((written = MSVCRT_vsnprintf(mem, resize, format, valist)) == -1 ||
3215 written > resize)
3216 {
3217 resize = (written == -1 ? resize * 2 : written + 1);
3218 if (mem != buf)
3219 MSVCRT_free (mem);
3220 if (!(mem = MSVCRT_malloc(resize)))
3221 return MSVCRT_EOF;
3222 }
3223 retval = MSVCRT_fwrite(mem, sizeof(*mem), written, file);
3224 if (mem != buf)
3225 MSVCRT_free (mem);
3226 return retval;
3227 }
3228
3229 /*********************************************************************
3230 * vfwprintf (MSVCRT.@)
3231 * FIXME:
3232 * Is final char included in written (then resize is too big) or not
3233 * (then we must test for equality too)?
3234 */
3235 int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
3236 {
3237 MSVCRT_wchar_t buf[2048], *mem = buf;
3238 int written, resize = sizeof(buf) / sizeof(MSVCRT_wchar_t), retval;
3239 /* See vfprintf comments */
3240 while ((written = MSVCRT_vsnwprintf(mem, resize, format, valist)) == -1 ||
3241 written > resize)
3242 {
3243 resize = (written == -1 ? resize * 2 : written + sizeof(MSVCRT_wchar_t));
3244 if (mem != buf)
3245 MSVCRT_free (mem);
3246 if (!(mem = MSVCRT_malloc(resize*sizeof(*mem))))
3247 return MSVCRT_EOF;
3248 }
3249 retval = MSVCRT_fwrite(mem, sizeof(*mem), written, file);
3250 if (mem != buf)
3251 MSVCRT_free (mem);
3252 return retval;
3253 }
3254
3255 /*********************************************************************
3256 * vprintf (MSVCRT.@)
3257 */
3258 int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
3259 {
3260 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
3261 }
3262
3263 /*********************************************************************
3264 * vwprintf (MSVCRT.@)
3265 */
3266 int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
3267 {
3268 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
3269 }
3270
3271 /*********************************************************************
3272 * fprintf (MSVCRT.@)
3273 */
3274 int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
3275 {
3276 __ms_va_list valist;
3277 int res;
3278 __ms_va_start(valist, format);
3279 res = MSVCRT_vfprintf(file, format, valist);
3280 __ms_va_end(valist);
3281 return res;
3282 }
3283
3284 /*********************************************************************
3285 * fwprintf (MSVCRT.@)
3286 */
3287 int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
3288 {
3289 __ms_va_list valist;
3290 int res;
3291 __ms_va_start(valist, format);
3292 res = MSVCRT_vfwprintf(file, format, valist);
3293 __ms_va_end(valist);
3294 return res;
3295 }
3296
3297 /*********************************************************************
3298 * printf (MSVCRT.@)
3299 */
3300 int CDECL MSVCRT_printf(const char *format, ...)
3301 {
3302 __ms_va_list valist;
3303 int res;
3304 __ms_va_start(valist, format);
3305 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
3306 __ms_va_end(valist);
3307 return res;
3308 }
3309
3310 /*********************************************************************
3311 * ungetc (MSVCRT.@)
3312 */
3313 int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
3314 {
3315 if (c == MSVCRT_EOF)
3316 return MSVCRT_EOF;
3317 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
3318 msvcrt_alloc_buffer(file);
3319 file->_ptr++;
3320 }
3321 if(file->_ptr>file->_base) {
3322 file->_ptr--;
3323 *file->_ptr=c;
3324 file->_cnt++;
3325 MSVCRT_clearerr(file);
3326 return c;
3327 }
3328 return MSVCRT_EOF;
3329 }
3330
3331 /*********************************************************************
3332 * ungetwc (MSVCRT.@)
3333 */
3334 MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
3335 {
3336 MSVCRT_wchar_t mwc = wc;
3337 char * pp = (char *)&mwc;
3338 int i;
3339 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
3340 if(pp[i] != MSVCRT_ungetc(pp[i],file))
3341 return MSVCRT_WEOF;
3342 }
3343 return mwc;
3344 }
3345
3346 /*********************************************************************
3347 * wprintf (MSVCRT.@)
3348 */
3349 int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
3350 {
3351 __ms_va_list valist;
3352 int res;
3353 __ms_va_start(valist, format);
3354 res = MSVCRT_vwprintf(format, valist);
3355 __ms_va_end(valist);
3356 return res;
3357 }
3358
3359 /*********************************************************************
3360 * _getmaxstdio (MSVCRT.@)
3361 */
3362 int CDECL _getmaxstdio(void)
3363 {
3364 FIXME("stub, always returns 512\n");
3365 return 512;
3366 }
3367
3368 /*********************************************************************
3369 * _setmaxstdio_ (MSVCRT.@)
3370 */
3371 int CDECL _setmaxstdio(int newmax)
3372 {
3373 int res;
3374 if( newmax > 2048)
3375 res = -1;
3376 else
3377 res = newmax;
3378 FIXME("stub: setting new maximum for number of simultaneously open files not implemented,returning %d\n",res);
3379 return res;
3380 }
3381
3382 /*********************************************************************
3383 * __pioinfo (MSVCRT.@)
3384 * FIXME: see MSVCRT_MAX_FILES define.
3385 */
3386 ioinfo * MSVCRT___pioinfo[] = { /* array of pointers to ioinfo arrays [64] */
3387 &MSVCRT_fdesc[0 * 64], &MSVCRT_fdesc[1 * 64], &MSVCRT_fdesc[2 * 64],
3388 &MSVCRT_fdesc[3 * 64], &MSVCRT_fdesc[4 * 64], &MSVCRT_fdesc[5 * 64],
3389 &MSVCRT_fdesc[6 * 64], &MSVCRT_fdesc[7 * 64], &MSVCRT_fdesc[8 * 64],
3390 &MSVCRT_fdesc[9 * 64], &MSVCRT_fdesc[10 * 64], &MSVCRT_fdesc[11 * 64],
3391 &MSVCRT_fdesc[12 * 64], &MSVCRT_fdesc[13 * 64], &MSVCRT_fdesc[14 * 64],
3392 &MSVCRT_fdesc[15 * 64], &MSVCRT_fdesc[16 * 64], &MSVCRT_fdesc[17 * 64],
3393 &MSVCRT_fdesc[18 * 64], &MSVCRT_fdesc[19 * 64], &MSVCRT_fdesc[20 * 64],
3394 &MSVCRT_fdesc[21 * 64], &MSVCRT_fdesc[22 * 64], &MSVCRT_fdesc[23 * 64],
3395 &MSVCRT_fdesc[24 * 64], &MSVCRT_fdesc[25 * 64], &MSVCRT_fdesc[26 * 64],
3396 &MSVCRT_fdesc[27 * 64], &MSVCRT_fdesc[28 * 64], &MSVCRT_fdesc[29 * 64],
3397 &MSVCRT_fdesc[30 * 64], &MSVCRT_fdesc[31 * 64]
3398 } ;
3399
3400 /*********************************************************************
3401 * __badioinfo (MSVCRT.@)
3402 */
3403 ioinfo MSVCRT___badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT };
Maarten's multimedia branch