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msvcrt: Remove unnecessary NULL check (Coverity).
[wine/multimedia.git] / dlls / msvcrt / file.c
blobcbaa04e84993036d8b4ed56fe267441ca41b33cf
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_DONTINHERIT 0x10
64 #define WX_APPEND 0x20
65 #define WX_TEXT 0x80
66
67 /* FIXME: this should be allocated dynamically */
68 #define MSVCRT_MAX_FILES 2048
69
70 typedef struct {
71 HANDLE handle;
72 unsigned char wxflag;
73 DWORD unkn[7]; /* critical section and init flag */
74 } ioinfo;
75
76 static ioinfo MSVCRT_fdesc[MSVCRT_MAX_FILES];
77
78 MSVCRT_FILE MSVCRT__iob[3] = { { 0 } };
79
80 static int MSVCRT_fdstart = 3; /* first unallocated fd */
81 static int MSVCRT_fdend = 3; /* highest allocated fd */
82
83 static MSVCRT_FILE* MSVCRT_fstreams[2048];
84 static int MSVCRT_stream_idx;
85
86 /* INTERNAL: process umask */
87 static int MSVCRT_umask = 0;
88
89 /* INTERNAL: Static buffer for temp file name */
90 static char MSVCRT_tmpname[MAX_PATH];
91
92 static const unsigned int EXE = 'e' << 16 | 'x' << 8 | 'e';
93 static const unsigned int BAT = 'b' << 16 | 'a' << 8 | 't';
94 static const unsigned int CMD = 'c' << 16 | 'm' << 8 | 'd';
95 static const unsigned int COM = 'c' << 16 | 'o' << 8 | 'm';
96
97 #define TOUL(x) (ULONGLONG)(x)
98 static const ULONGLONG WCEXE = TOUL('e') << 32 | TOUL('x') << 16 | TOUL('e');
99 static const ULONGLONG WCBAT = TOUL('b') << 32 | TOUL('a') << 16 | TOUL('t');
100 static const ULONGLONG WCCMD = TOUL('c') << 32 | TOUL('m') << 16 | TOUL('d');
101 static const ULONGLONG WCCOM = TOUL('c') << 32 | TOUL('o') << 16 | TOUL('m');
102
103 /* This critical section protects the tables MSVCRT_fdesc and MSVCRT_fstreams,
104 * and their related indexes, MSVCRT_fdstart, MSVCRT_fdend,
105 * and MSVCRT_stream_idx, from race conditions.
106 * It doesn't protect against race conditions manipulating the underlying files
107 * or flags; doing so would probably be better accomplished with per-file
108 * protection, rather than locking the whole table for every change.
109 */
110 static CRITICAL_SECTION MSVCRT_file_cs;
111 #define LOCK_FILES() do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)
112 #define UNLOCK_FILES() do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)
113
114 static void msvcrt_stat64_to_stat(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat *buf)
115 {
116 buf->st_dev = buf64->st_dev;
117 buf->st_ino = buf64->st_ino;
118 buf->st_mode = buf64->st_mode;
119 buf->st_nlink = buf64->st_nlink;
120 buf->st_uid = buf64->st_uid;
121 buf->st_gid = buf64->st_gid;
122 buf->st_rdev = buf64->st_rdev;
123 buf->st_size = buf64->st_size;
124 buf->st_atime = buf64->st_atime;
125 buf->st_mtime = buf64->st_mtime;
126 buf->st_ctime = buf64->st_ctime;
127 }
128
129 static void msvcrt_stat64_to_stati64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stati64 *buf)
130 {
131 buf->st_dev = buf64->st_dev;
132 buf->st_ino = buf64->st_ino;
133 buf->st_mode = buf64->st_mode;
134 buf->st_nlink = buf64->st_nlink;
135 buf->st_uid = buf64->st_uid;
136 buf->st_gid = buf64->st_gid;
137 buf->st_rdev = buf64->st_rdev;
138 buf->st_size = buf64->st_size;
139 buf->st_atime = buf64->st_atime;
140 buf->st_mtime = buf64->st_mtime;
141 buf->st_ctime = buf64->st_ctime;
142 }
143
144 static void time_to_filetime( MSVCRT___time64_t time, FILETIME *ft )
145 {
146 /* 1601 to 1970 is 369 years plus 89 leap days */
147 static const __int64 secs_1601_to_1970 = ((369 * 365 + 89) * (__int64)86400);
148
149 __int64 ticks = (time + secs_1601_to_1970) * 10000000;
150 ft->dwHighDateTime = ticks >> 32;
151 ft->dwLowDateTime = ticks;
152 }
153
154 static inline BOOL msvcrt_is_valid_fd(int fd)
155 {
156 return fd >= 0 && fd < MSVCRT_fdend && (MSVCRT_fdesc[fd].wxflag & WX_OPEN);
157 }
158
159 /* INTERNAL: Get the HANDLE for a fd
160 * This doesn't lock the table, because a failure will result in
161 * INVALID_HANDLE_VALUE being returned, which should be handled correctly. If
162 * it returns a valid handle which is about to be closed, a subsequent call
163 * will fail, most likely in a sane way.
164 */
165 static HANDLE msvcrt_fdtoh(int fd)
166 {
167 if (!msvcrt_is_valid_fd(fd))
168 {
169 WARN(":fd (%d) - no handle!\n",fd);
170 *MSVCRT___doserrno() = 0;
171 *MSVCRT__errno() = MSVCRT_EBADF;
172 return INVALID_HANDLE_VALUE;
173 }
174 if (MSVCRT_fdesc[fd].handle == INVALID_HANDLE_VALUE) FIXME("wtf\n");
175 return MSVCRT_fdesc[fd].handle;
176 }
177
178 /* INTERNAL: free a file entry fd */
179 static void msvcrt_free_fd(int fd)
180 {
181 HANDLE old_handle;
182
183 LOCK_FILES();
184 old_handle = MSVCRT_fdesc[fd].handle;
185 MSVCRT_fdesc[fd].handle = INVALID_HANDLE_VALUE;
186 MSVCRT_fdesc[fd].wxflag = 0;
187 TRACE(":fd (%d) freed\n",fd);
188 if (fd < 3) /* don't use 0,1,2 for user files */
189 {
190 switch (fd)
191 {
192 case 0:
193 if (GetStdHandle(STD_INPUT_HANDLE) == old_handle) SetStdHandle(STD_INPUT_HANDLE, 0);
194 break;
195 case 1:
196 if (GetStdHandle(STD_OUTPUT_HANDLE) == old_handle) SetStdHandle(STD_OUTPUT_HANDLE, 0);
197 break;
198 case 2:
199 if (GetStdHandle(STD_ERROR_HANDLE) == old_handle) SetStdHandle(STD_ERROR_HANDLE, 0);
200 break;
201 }
202 }
203 else
204 {
205 if (fd == MSVCRT_fdend - 1)
206 MSVCRT_fdend--;
207 if (fd < MSVCRT_fdstart)
208 MSVCRT_fdstart = fd;
209 }
210 UNLOCK_FILES();
211 }
212
213 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */
214 /* caller must hold the files lock */
215 static int msvcrt_alloc_fd_from(HANDLE hand, int flag, int fd)
216 {
217 if (fd >= MSVCRT_MAX_FILES)
218 {
219 WARN(":files exhausted!\n");
220 return -1;
221 }
222 MSVCRT_fdesc[fd].handle = hand;
223 MSVCRT_fdesc[fd].wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT));
224
225 /* locate next free slot */
226 if (fd == MSVCRT_fdstart && fd == MSVCRT_fdend)
227 MSVCRT_fdstart = MSVCRT_fdend + 1;
228 else
229 while (MSVCRT_fdstart < MSVCRT_fdend &&
230 MSVCRT_fdesc[MSVCRT_fdstart].handle != INVALID_HANDLE_VALUE)
231 MSVCRT_fdstart++;
232 /* update last fd in use */
233 if (fd >= MSVCRT_fdend)
234 MSVCRT_fdend = fd + 1;
235 TRACE("fdstart is %d, fdend is %d\n", MSVCRT_fdstart, MSVCRT_fdend);
236
237 switch (fd)
238 {
239 case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
240 case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
241 case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
242 }
243
244 return fd;
245 }
246
247 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
248 static int msvcrt_alloc_fd(HANDLE hand, int flag)
249 {
250 int ret;
251
252 LOCK_FILES();
253 TRACE(":handle (%p) allocating fd (%d)\n",hand,MSVCRT_fdstart);
254 ret = msvcrt_alloc_fd_from(hand, flag, MSVCRT_fdstart);
255 UNLOCK_FILES();
256 return ret;
257 }
258
259 /* INTERNAL: Allocate a FILE* for an fd slot */
260 /* caller must hold the files lock */
261 static MSVCRT_FILE* msvcrt_alloc_fp(void)
262 {
263 unsigned int i;
264
265 for (i = 3; i < sizeof(MSVCRT_fstreams) / sizeof(MSVCRT_fstreams[0]); i++)
266 {
267 if (!MSVCRT_fstreams[i] || MSVCRT_fstreams[i]->_flag == 0)
268 {
269 if (!MSVCRT_fstreams[i])
270 {
271 if (!(MSVCRT_fstreams[i] = MSVCRT_calloc(sizeof(MSVCRT_FILE),1)))
272 return NULL;
273 if (i == MSVCRT_stream_idx) MSVCRT_stream_idx++;
274 }
275 return MSVCRT_fstreams[i];
276 }
277 }
278 return NULL;
279 }
280
281 /* INTERNAL: initialize a FILE* from an open fd */
282 static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags)
283 {
284 TRACE(":fd (%d) allocating FILE*\n",fd);
285 if (!msvcrt_is_valid_fd(fd))
286 {
287 WARN(":invalid fd %d\n",fd);
288 *MSVCRT___doserrno() = 0;
289 *MSVCRT__errno() = MSVCRT_EBADF;
290 return -1;
291 }
292 memset(file, 0, sizeof(*file));
293 file->_file = fd;
294 file->_flag = stream_flags;
295
296 TRACE(":got FILE* (%p)\n",file);
297 return 0;
298 }
299
300 /* INTERNAL: Create an inheritance data block (for spawned process)
301 * The inheritance block is made of:
302 * 00 int nb of file descriptor (NBFD)
303 * 04 char file flags (wxflag): repeated for each fd
304 * 4+NBFD HANDLE file handle: repeated for each fd
305 */
306 unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block)
307 {
308 int fd;
309 char* wxflag_ptr;
310 HANDLE* handle_ptr;
311
312 *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
313 *block = MSVCRT_calloc(*size, 1);
314 if (!*block)
315 {
316 *size = 0;
317 return FALSE;
318 }
319 wxflag_ptr = (char*)*block + sizeof(unsigned);
320 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
321
322 *(unsigned*)*block = MSVCRT_fdend;
323 for (fd = 0; fd < MSVCRT_fdend; fd++)
324 {
325 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
326 if ((MSVCRT_fdesc[fd].wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
327 {
328 *wxflag_ptr = MSVCRT_fdesc[fd].wxflag;
329 *handle_ptr = MSVCRT_fdesc[fd].handle;
330 }
331 else
332 {
333 *wxflag_ptr = 0;
334 *handle_ptr = INVALID_HANDLE_VALUE;
335 }
336 wxflag_ptr++; handle_ptr++;
337 }
338 return TRUE;
339 }
340
341 /* INTERNAL: Set up all file descriptors,
342 * as well as default streams (stdin, stderr and stdout)
343 */
344 void msvcrt_init_io(void)
345 {
346 STARTUPINFOA si;
347 int i;
348
349 InitializeCriticalSection(&MSVCRT_file_cs);
350 MSVCRT_file_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs");
351 GetStartupInfoA(&si);
352 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
353 {
354 BYTE* wxflag_ptr;
355 HANDLE* handle_ptr;
356 unsigned int count;
357
358 count = *(unsigned*)si.lpReserved2;
359 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
360 handle_ptr = (HANDLE*)(wxflag_ptr + count);
361
362 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
363 count = min(count, sizeof(MSVCRT_fdesc) / sizeof(MSVCRT_fdesc[0]));
364 for (i = 0; i < count; i++)
365 {
366 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
367 {
368 MSVCRT_fdesc[i].wxflag = *wxflag_ptr;
369 MSVCRT_fdesc[i].handle = *handle_ptr;
370 }
371 else
372 {
373 MSVCRT_fdesc[i].wxflag = 0;
374 MSVCRT_fdesc[i].handle = INVALID_HANDLE_VALUE;
375 }
376 wxflag_ptr++; handle_ptr++;
377 }
378 MSVCRT_fdend = max( 3, count );
379 for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
380 if (MSVCRT_fdesc[MSVCRT_fdstart].handle == INVALID_HANDLE_VALUE) break;
381 }
382
383 if (!(MSVCRT_fdesc[0].wxflag & WX_OPEN) || MSVCRT_fdesc[0].handle == INVALID_HANDLE_VALUE)
384 {
385 HANDLE std = GetStdHandle(STD_INPUT_HANDLE);
386 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
387 GetCurrentProcess(), &MSVCRT_fdesc[0].handle,
388 0, TRUE, DUPLICATE_SAME_ACCESS))
389 MSVCRT_fdesc[0].wxflag = WX_OPEN | WX_TEXT;
390 }
391 if (!(MSVCRT_fdesc[1].wxflag & WX_OPEN) || MSVCRT_fdesc[1].handle == INVALID_HANDLE_VALUE)
392 {
393 HANDLE std = GetStdHandle(STD_OUTPUT_HANDLE);
394 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
395 GetCurrentProcess(), &MSVCRT_fdesc[1].handle,
396 0, TRUE, DUPLICATE_SAME_ACCESS))
397 MSVCRT_fdesc[1].wxflag = WX_OPEN | WX_TEXT;
398 }
399 if (!(MSVCRT_fdesc[2].wxflag & WX_OPEN) || MSVCRT_fdesc[2].handle == INVALID_HANDLE_VALUE)
400 {
401 HANDLE std = GetStdHandle(STD_ERROR_HANDLE);
402 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
403 GetCurrentProcess(), &MSVCRT_fdesc[2].handle,
404 0, TRUE, DUPLICATE_SAME_ACCESS))
405 MSVCRT_fdesc[2].wxflag = WX_OPEN | WX_TEXT;
406 }
407
408 TRACE(":handles (%p)(%p)(%p)\n",MSVCRT_fdesc[0].handle,
409 MSVCRT_fdesc[1].handle,MSVCRT_fdesc[2].handle);
410
411 memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
412 for (i = 0; i < 3; i++)
413 {
414 /* FILE structs for stdin/out/err are static and never deleted */
415 MSVCRT_fstreams[i] = &MSVCRT__iob[i];
416 MSVCRT__iob[i]._file = i;
417 MSVCRT__iob[i]._tmpfname = NULL;
418 MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
419 }
420 MSVCRT_stream_idx = 3;
421 }
422
423 /* INTERNAL: Flush stdio file buffer */
424 static int msvcrt_flush_buffer(MSVCRT_FILE* file)
425 {
426 if(file->_bufsiz) {
427 int cnt=file->_ptr-file->_base;
428 if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) {
429 file->_flag |= MSVCRT__IOERR;
430 return MSVCRT_EOF;
431 }
432 file->_ptr=file->_base;
433 file->_cnt=file->_bufsiz;
434 }
435 return 0;
436 }
437
438 /* INTERNAL: Allocate stdio file buffer */
439 static void msvcrt_alloc_buffer(MSVCRT_FILE* file)
440 {
441 file->_base = MSVCRT_calloc(MSVCRT_BUFSIZ,1);
442 if(file->_base) {
443 file->_bufsiz = MSVCRT_BUFSIZ;
444 file->_flag |= MSVCRT__IOMYBUF;
445 } else {
446 file->_base = (char*)(&file->_charbuf);
447 /* put here 2 ??? */
448 file->_bufsiz = sizeof(file->_charbuf);
449 }
450 file->_ptr = file->_base;
451 file->_cnt = 0;
452 }
453
454 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
455 static void msvcrt_int_to_base32(int num, char *str)
456 {
457 char *p;
458 int n = num;
459 int digits = 0;
460
461 while (n != 0)
462 {
463 n >>= 5;
464 digits++;
465 }
466 p = str + digits;
467 *p = 0;
468 while (--p >= str)
469 {
470 *p = (num & 31) + '0';
471 if (*p > '9')
472 *p += ('a' - '0' - 10);
473 num >>= 5;
474 }
475 }
476
477 /*********************************************************************
478 * __iob_func(MSVCRT.@)
479 */
480 MSVCRT_FILE * CDECL MSVCRT___iob_func(void)
481 {
482 return &MSVCRT__iob[0];
483 }
484
485 /*********************************************************************
486 * _access (MSVCRT.@)
487 */
488 int CDECL MSVCRT__access(const char *filename, int mode)
489 {
490 DWORD attr = GetFileAttributesA(filename);
491
492 TRACE("(%s,%d) %d\n",filename,mode,attr);
493
494 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
495 {
496 msvcrt_set_errno(GetLastError());
497 return -1;
498 }
499 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
500 {
501 msvcrt_set_errno(ERROR_ACCESS_DENIED);
502 return -1;
503 }
504 return 0;
505 }
506
507 /*********************************************************************
508 * _waccess (MSVCRT.@)
509 */
510 int CDECL _waccess(const MSVCRT_wchar_t *filename, int mode)
511 {
512 DWORD attr = GetFileAttributesW(filename);
513
514 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
515
516 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
517 {
518 msvcrt_set_errno(GetLastError());
519 return -1;
520 }
521 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
522 {
523 msvcrt_set_errno(ERROR_ACCESS_DENIED);
524 return -1;
525 }
526 return 0;
527 }
528
529 /*********************************************************************
530 * _chmod (MSVCRT.@)
531 */
532 int CDECL MSVCRT__chmod(const char *path, int flags)
533 {
534 DWORD oldFlags = GetFileAttributesA(path);
535
536 if (oldFlags != INVALID_FILE_ATTRIBUTES)
537 {
538 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
539 oldFlags | FILE_ATTRIBUTE_READONLY;
540
541 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
542 return 0;
543 }
544 msvcrt_set_errno(GetLastError());
545 return -1;
546 }
547
548 /*********************************************************************
549 * _wchmod (MSVCRT.@)
550 */
551 int CDECL _wchmod(const MSVCRT_wchar_t *path, int flags)
552 {
553 DWORD oldFlags = GetFileAttributesW(path);
554
555 if (oldFlags != INVALID_FILE_ATTRIBUTES)
556 {
557 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
558 oldFlags | FILE_ATTRIBUTE_READONLY;
559
560 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
561 return 0;
562 }
563 msvcrt_set_errno(GetLastError());
564 return -1;
565 }
566
567 /*********************************************************************
568 * _unlink (MSVCRT.@)
569 */
570 int CDECL MSVCRT__unlink(const char *path)
571 {
572 TRACE("%s\n",debugstr_a(path));
573 if(DeleteFileA(path))
574 return 0;
575 TRACE("failed (%d)\n",GetLastError());
576 msvcrt_set_errno(GetLastError());
577 return -1;
578 }
579
580 /*********************************************************************
581 * _wunlink (MSVCRT.@)
582 */
583 int CDECL _wunlink(const MSVCRT_wchar_t *path)
584 {
585 TRACE("(%s)\n",debugstr_w(path));
586 if(DeleteFileW(path))
587 return 0;
588 TRACE("failed (%d)\n",GetLastError());
589 msvcrt_set_errno(GetLastError());
590 return -1;
591 }
592
593 /* _flushall calls MSVCRT_fflush which calls _flushall */
594 int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
595
596 /*********************************************************************
597 * _flushall (MSVCRT.@)
598 */
599 int CDECL _flushall(void)
600 {
601 int i, num_flushed = 0;
602
603 LOCK_FILES();
604 for (i = 3; i < MSVCRT_stream_idx; i++)
605 if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_flag)
606 {
607 #if 0
608 /* FIXME: flush, do not commit */
609 if (_commit(i) == -1)
610 if (MSVCRT_fstreams[i])
611 MSVCRT_fstreams[i]->_flag |= MSVCRT__IOERR;
612 #endif
613 if(MSVCRT_fstreams[i]->_flag & MSVCRT__IOWRT) {
614 MSVCRT_fflush(MSVCRT_fstreams[i]);
615 num_flushed++;
616 }
617 }
618 UNLOCK_FILES();
619
620 TRACE(":flushed (%d) handles\n",num_flushed);
621 return num_flushed;
622 }
623
624 /*********************************************************************
625 * fflush (MSVCRT.@)
626 */
627 int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
628 {
629 if(!file) {
630 _flushall();
631 } else if(file->_flag & MSVCRT__IOWRT) {
632 int res=msvcrt_flush_buffer(file);
633 return res;
634 }
635 return 0;
636 }
637
638 /*********************************************************************
639 * _close (MSVCRT.@)
640 */
641 int CDECL MSVCRT__close(int fd)
642 {
643 HANDLE hand;
644 int ret;
645
646 LOCK_FILES();
647 hand = msvcrt_fdtoh(fd);
648 TRACE(":fd (%d) handle (%p)\n",fd,hand);
649 if (hand == INVALID_HANDLE_VALUE)
650 ret = -1;
651 else if (!CloseHandle(hand))
652 {
653 WARN(":failed-last error (%d)\n",GetLastError());
654 msvcrt_set_errno(GetLastError());
655 ret = -1;
656 }
657 else
658 {
659 msvcrt_free_fd(fd);
660 ret = 0;
661 }
662 UNLOCK_FILES();
663 TRACE(":ok\n");
664 return ret;
665 }
666
667 /*********************************************************************
668 * _commit (MSVCRT.@)
669 */
670 int CDECL _commit(int fd)
671 {
672 HANDLE hand = msvcrt_fdtoh(fd);
673
674 TRACE(":fd (%d) handle (%p)\n",fd,hand);
675 if (hand == INVALID_HANDLE_VALUE)
676 return -1;
677
678 if (!FlushFileBuffers(hand))
679 {
680 if (GetLastError() == ERROR_INVALID_HANDLE)
681 {
682 /* FlushFileBuffers fails for console handles
683 * so we ignore this error.
684 */
685 return 0;
686 }
687 TRACE(":failed-last error (%d)\n",GetLastError());
688 msvcrt_set_errno(GetLastError());
689 return -1;
690 }
691 TRACE(":ok\n");
692 return 0;
693 }
694
695 /*********************************************************************
696 * _dup2 (MSVCRT.@)
697 * NOTES
698 * MSDN isn't clear on this point, but the remarks for _pipe
699 * indicate file descriptors duplicated with _dup and _dup2 are always
700 * inheritable.
701 */
702 int CDECL MSVCRT__dup2(int od, int nd)
703 {
704 int ret;
705
706 TRACE("(od=%d, nd=%d)\n", od, nd);
707 LOCK_FILES();
708 if (nd < MSVCRT_MAX_FILES && msvcrt_is_valid_fd(od))
709 {
710 HANDLE handle;
711
712 if (DuplicateHandle(GetCurrentProcess(), MSVCRT_fdesc[od].handle,
713 GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
714 {
715 int wxflag = MSVCRT_fdesc[od].wxflag & ~MSVCRT__O_NOINHERIT;
716
717 if (msvcrt_is_valid_fd(nd))
718 MSVCRT__close(nd);
719 ret = msvcrt_alloc_fd_from(handle, wxflag, nd);
720 if (ret == -1)
721 {
722 CloseHandle(handle);
723 *MSVCRT__errno() = MSVCRT_EMFILE;
724 }
725 else
726 {
727 /* _dup2 returns 0, not nd, on success */
728 ret = 0;
729 }
730 }
731 else
732 {
733 ret = -1;
734 msvcrt_set_errno(GetLastError());
735 }
736 }
737 else
738 {
739 *MSVCRT__errno() = MSVCRT_EBADF;
740 ret = -1;
741 }
742 UNLOCK_FILES();
743 return ret;
744 }
745
746 /*********************************************************************
747 * _dup (MSVCRT.@)
748 */
749 int CDECL MSVCRT__dup(int od)
750 {
751 int fd, ret;
752
753 LOCK_FILES();
754 fd = MSVCRT_fdstart;
755 if (MSVCRT__dup2(od, fd) == 0)
756 ret = fd;
757 else
758 ret = -1;
759 UNLOCK_FILES();
760 return ret;
761 }
762
763 /*********************************************************************
764 * _eof (MSVCRT.@)
765 */
766 int CDECL _eof(int fd)
767 {
768 DWORD curpos,endpos;
769 LONG hcurpos,hendpos;
770 HANDLE hand = msvcrt_fdtoh(fd);
771
772 TRACE(":fd (%d) handle (%p)\n",fd,hand);
773
774 if (hand == INVALID_HANDLE_VALUE)
775 return -1;
776
777 if (MSVCRT_fdesc[fd].wxflag & WX_ATEOF) return TRUE;
778
779 /* Otherwise we do it the hard way */
780 hcurpos = hendpos = 0;
781 curpos = SetFilePointer(hand, 0, &hcurpos, FILE_CURRENT);
782 endpos = SetFilePointer(hand, 0, &hendpos, FILE_END);
783
784 if (curpos == endpos && hcurpos == hendpos)
785 {
786 /* FIXME: shouldn't WX_ATEOF be set here? */
787 return TRUE;
788 }
789
790 SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN);
791 return FALSE;
792 }
793
794 /*********************************************************************
795 * _fcloseall (MSVCRT.@)
796 */
797 int CDECL MSVCRT__fcloseall(void)
798 {
799 int num_closed = 0, i;
800
801 LOCK_FILES();
802 for (i = 3; i < MSVCRT_stream_idx; i++)
803 if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_flag &&
804 !MSVCRT_fclose(MSVCRT_fstreams[i]))
805 num_closed++;
806 UNLOCK_FILES();
807
808 TRACE(":closed (%d) handles\n",num_closed);
809 return num_closed;
810 }
811
812 /* free everything on process exit */
813 void msvcrt_free_io(void)
814 {
815 MSVCRT__fcloseall();
816 /* The Win32 _fcloseall() function explicitly doesn't close stdin,
817 * stdout, and stderr (unlike GNU), so we need to fclose() them here
818 * or they won't get flushed.
819 */
820 MSVCRT_fclose(&MSVCRT__iob[0]);
821 MSVCRT_fclose(&MSVCRT__iob[1]);
822 MSVCRT_fclose(&MSVCRT__iob[2]);
823 MSVCRT_file_cs.DebugInfo->Spare[0] = 0;
824 DeleteCriticalSection(&MSVCRT_file_cs);
825 }
826
827 /*********************************************************************
828 * _lseeki64 (MSVCRT.@)
829 */
830 __int64 CDECL MSVCRT__lseeki64(int fd, __int64 offset, int whence)
831 {
832 HANDLE hand = msvcrt_fdtoh(fd);
833 LARGE_INTEGER ofs, ret;
834
835 TRACE(":fd (%d) handle (%p)\n",fd,hand);
836 if (hand == INVALID_HANDLE_VALUE)
837 return -1;
838
839 if (whence < 0 || whence > 2)
840 {
841 *MSVCRT__errno() = MSVCRT_EINVAL;
842 return -1;
843 }
844
845 TRACE(":fd (%d) to %s pos %s\n",
846 fd,wine_dbgstr_longlong(offset),
847 (whence==SEEK_SET)?"SEEK_SET":
848 (whence==SEEK_CUR)?"SEEK_CUR":
849 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
850
851 ofs.QuadPart = offset;
852 if (SetFilePointerEx(hand, ofs, &ret, whence))
853 {
854 MSVCRT_fdesc[fd].wxflag &= ~(WX_ATEOF|WX_READEOF);
855 /* FIXME: What if we seek _to_ EOF - is EOF set? */
856
857 return ret.QuadPart;
858 }
859 TRACE(":error-last error (%d)\n",GetLastError());
860 msvcrt_set_errno(GetLastError());
861 return -1;
862 }
863
864 /*********************************************************************
865 * _lseek (MSVCRT.@)
866 */
867 LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence)
868 {
869 return MSVCRT__lseeki64(fd, offset, whence);
870 }
871
872 /*********************************************************************
873 * _locking (MSVCRT.@)
874 *
875 * This is untested; the underlying LockFile doesn't work yet.
876 */
877 int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes)
878 {
879 BOOL ret;
880 DWORD cur_locn;
881 HANDLE hand = msvcrt_fdtoh(fd);
882
883 TRACE(":fd (%d) handle (%p)\n",fd,hand);
884 if (hand == INVALID_HANDLE_VALUE)
885 return -1;
886
887 if (mode < 0 || mode > 4)
888 {
889 *MSVCRT__errno() = MSVCRT_EINVAL;
890 return -1;
891 }
892
893 TRACE(":fd (%d) by 0x%08x mode %s\n",
894 fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
895 (mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
896 (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
897 (mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
898 (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
899 "UNKNOWN");
900
901 if ((cur_locn = SetFilePointer(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
902 {
903 FIXME ("Seek failed\n");
904 *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
905 return -1;
906 }
907 if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
908 {
909 int nretry = 10;
910 ret = 1; /* just to satisfy gcc */
911 while (nretry--)
912 {
913 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
914 if (ret) break;
915 Sleep(1);
916 }
917 }
918 else if (mode == MSVCRT__LK_UNLCK)
919 ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L);
920 else
921 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
922 /* FIXME - what about error settings? */
923 return ret ? 0 : -1;
924 }
925
926 /*********************************************************************
927 * fseek (MSVCRT.@)
928 */
929 int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
930 {
931 /* Flush output if needed */
932 if(file->_flag & MSVCRT__IOWRT)
933 msvcrt_flush_buffer(file);
934
935 if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
936 offset -= file->_cnt;
937 if (MSVCRT_fdesc[file->_file].wxflag & WX_TEXT) {
938 /* Black magic correction for CR removal */
939 int i;
940 for (i=0; i<file->_cnt; i++) {
941 if (file->_ptr[i] == '\n')
942 offset--;
943 }
944 }
945 }
946 /* Discard buffered input */
947 file->_cnt = 0;
948 file->_ptr = file->_base;
949 /* Reset direction of i/o */
950 if(file->_flag & MSVCRT__IORW) {
951 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
952 }
953 /* Clear end of file flag */
954 file->_flag &= ~MSVCRT__IOEOF;
955 return (MSVCRT__lseek(file->_file,offset,whence) == -1)?-1:0;
956 }
957
958 /*********************************************************************
959 * _chsize (MSVCRT.@)
960 */
961 int CDECL _chsize(int fd, MSVCRT_long size)
962 {
963 LONG cur, pos;
964 HANDLE handle;
965 BOOL ret = FALSE;
966
967 TRACE("(fd=%d, size=%d)\n", fd, size);
968
969 LOCK_FILES();
970
971 handle = msvcrt_fdtoh(fd);
972 if (handle != INVALID_HANDLE_VALUE)
973 {
974 /* save the current file pointer */
975 cur = MSVCRT__lseek(fd, 0, SEEK_CUR);
976 if (cur >= 0)
977 {
978 pos = MSVCRT__lseek(fd, size, SEEK_SET);
979 if (pos >= 0)
980 {
981 ret = SetEndOfFile(handle);
982 if (!ret) msvcrt_set_errno(GetLastError());
983 }
984
985 /* restore the file pointer */
986 MSVCRT__lseek(fd, cur, SEEK_SET);
987 }
988 }
989
990 UNLOCK_FILES();
991 return ret ? 0 : -1;
992 }
993
994 /*********************************************************************
995 * clearerr (MSVCRT.@)
996 */
997 void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
998 {
999 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1000 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
1001 }
1002
1003 /*********************************************************************
1004 * rewind (MSVCRT.@)
1005 */
1006 void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
1007 {
1008 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1009 MSVCRT_fseek(file, 0L, SEEK_SET);
1010 MSVCRT_clearerr(file);
1011 }
1012
1013 static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags)
1014 {
1015 int plus = strchrW(mode, '+') != NULL;
1016
1017 switch(*mode++)
1018 {
1019 case 'R': case 'r':
1020 *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
1021 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
1022 break;
1023 case 'W': case 'w':
1024 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1025 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1026 break;
1027 case 'A': case 'a':
1028 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1029 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1030 break;
1031 default:
1032 return -1;
1033 }
1034
1035 while (*mode)
1036 switch (*mode++)
1037 {
1038 case 'B': case 'b':
1039 *open_flags |= MSVCRT__O_BINARY;
1040 *open_flags &= ~MSVCRT__O_TEXT;
1041 break;
1042 case 'T': case 't':
1043 *open_flags |= MSVCRT__O_TEXT;
1044 *open_flags &= ~MSVCRT__O_BINARY;
1045 break;
1046 case '+':
1047 break;
1048 default:
1049 FIXME(":unknown flag %c not supported\n",mode[-1]);
1050 }
1051 return 0;
1052 }
1053
1054 /*********************************************************************
1055 * _fdopen (MSVCRT.@)
1056 */
1057 MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode)
1058 {
1059 MSVCRT_FILE *ret;
1060 MSVCRT_wchar_t *modeW = NULL;
1061
1062 if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
1063
1064 ret = MSVCRT__wfdopen(fd, modeW);
1065
1066 MSVCRT_free(modeW);
1067 return ret;
1068 }
1069
1070 /*********************************************************************
1071 * _wfdopen (MSVCRT.@)
1072 */
1073 MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
1074 {
1075 int open_flags, stream_flags;
1076 MSVCRT_FILE* file;
1077
1078 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
1079
1080 LOCK_FILES();
1081 if (!(file = msvcrt_alloc_fp()))
1082 file = NULL;
1083 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
1084 {
1085 file->_flag = 0;
1086 file = NULL;
1087 }
1088 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
1089 UNLOCK_FILES();
1090
1091 return file;
1092 }
1093
1094 /*********************************************************************
1095 * _filelength (MSVCRT.@)
1096 */
1097 LONG CDECL MSVCRT__filelength(int fd)
1098 {
1099 LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR);
1100 if (curPos != -1)
1101 {
1102 LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END);
1103 if (endPos != -1)
1104 {
1105 if (endPos != curPos)
1106 MSVCRT__lseek(fd, curPos, SEEK_SET);
1107 return endPos;
1108 }
1109 }
1110 return -1;
1111 }
1112
1113 /*********************************************************************
1114 * _filelengthi64 (MSVCRT.@)
1115 */
1116 __int64 CDECL MSVCRT__filelengthi64(int fd)
1117 {
1118 __int64 curPos = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1119 if (curPos != -1)
1120 {
1121 __int64 endPos = MSVCRT__lseeki64(fd, 0, SEEK_END);
1122 if (endPos != -1)
1123 {
1124 if (endPos != curPos)
1125 MSVCRT__lseeki64(fd, curPos, SEEK_SET);
1126 return endPos;
1127 }
1128 }
1129 return -1;
1130 }
1131
1132 /*********************************************************************
1133 * _fileno (MSVCRT.@)
1134 */
1135 int CDECL MSVCRT__fileno(MSVCRT_FILE* file)
1136 {
1137 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
1138 return file->_file;
1139 }
1140
1141 /*********************************************************************
1142 * _fstat64 (MSVCRT.@)
1143 */
1144 int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf)
1145 {
1146 DWORD dw;
1147 DWORD type;
1148 BY_HANDLE_FILE_INFORMATION hfi;
1149 HANDLE hand = msvcrt_fdtoh(fd);
1150
1151 TRACE(":fd (%d) stat (%p)\n",fd,buf);
1152 if (hand == INVALID_HANDLE_VALUE)
1153 return -1;
1154
1155 if (!buf)
1156 {
1157 WARN(":failed-NULL buf\n");
1158 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1159 return -1;
1160 }
1161
1162 memset(&hfi, 0, sizeof(hfi));
1163 memset(buf, 0, sizeof(struct MSVCRT__stat64));
1164 type = GetFileType(hand);
1165 if (type == FILE_TYPE_PIPE)
1166 {
1167 buf->st_dev = buf->st_rdev = fd;
1168 buf->st_mode = S_IFIFO;
1169 buf->st_nlink = 1;
1170 }
1171 else if (type == FILE_TYPE_CHAR)
1172 {
1173 buf->st_dev = buf->st_rdev = fd;
1174 buf->st_mode = S_IFCHR;
1175 buf->st_nlink = 1;
1176 }
1177 else /* FILE_TYPE_DISK etc. */
1178 {
1179 if (!GetFileInformationByHandle(hand, &hfi))
1180 {
1181 WARN(":failed-last error (%d)\n",GetLastError());
1182 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1183 return -1;
1184 }
1185 buf->st_mode = S_IFREG | 0444;
1186 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1187 buf->st_mode |= 0222;
1188 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1189 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1190 buf->st_atime = dw;
1191 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1192 buf->st_mtime = buf->st_ctime = dw;
1193 buf->st_nlink = hfi.nNumberOfLinks;
1194 }
1195 TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
1196 buf->st_mode);
1197 return 0;
1198 }
1199
1200 /*********************************************************************
1201 * _fstati64 (MSVCRT.@)
1202 */
1203 int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
1204 {
1205 int ret;
1206 struct MSVCRT__stat64 buf64;
1207
1208 ret = MSVCRT__fstat64(fd, &buf64);
1209 if (!ret)
1210 msvcrt_stat64_to_stati64(&buf64, buf);
1211 return ret;
1212 }
1213
1214 /*********************************************************************
1215 * _fstat (MSVCRT.@)
1216 */
1217 int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
1218 { int ret;
1219 struct MSVCRT__stat64 buf64;
1220
1221 ret = MSVCRT__fstat64(fd, &buf64);
1222 if (!ret)
1223 msvcrt_stat64_to_stat(&buf64, buf);
1224 return ret;
1225 }
1226
1227 /*********************************************************************
1228 * _futime64 (MSVCRT.@)
1229 */
1230 int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t)
1231 {
1232 HANDLE hand = msvcrt_fdtoh(fd);
1233 FILETIME at, wt;
1234
1235 if (!t)
1236 {
1237 time_to_filetime( MSVCRT__time64(NULL), &at );
1238 wt = at;
1239 }
1240 else
1241 {
1242 time_to_filetime( t->actime, &at );
1243 time_to_filetime( t->modtime, &wt );
1244 }
1245
1246 if (!SetFileTime(hand, NULL, &at, &wt))
1247 {
1248 msvcrt_set_errno(GetLastError());
1249 return -1 ;
1250 }
1251 return 0;
1252 }
1253
1254 /*********************************************************************
1255 * _futime32 (MSVCRT.@)
1256 */
1257 int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t)
1258 {
1259 struct MSVCRT___utimbuf64 t64;
1260 t64.actime = t->actime;
1261 t64.modtime = t->modtime;
1262 return _futime64( fd, &t64 );
1263 }
1264
1265 /*********************************************************************
1266 * _futime (MSVCRT.@)
1267 */
1268 #ifdef _WIN64
1269 int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t)
1270 {
1271 return _futime64( fd, t );
1272 }
1273 #else
1274 int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t)
1275 {
1276 return _futime32( fd, t );
1277 }
1278 #endif
1279
1280 /*********************************************************************
1281 * _get_osfhandle (MSVCRT.@)
1282 */
1283 MSVCRT_intptr_t CDECL _get_osfhandle(int fd)
1284 {
1285 HANDLE hand = msvcrt_fdtoh(fd);
1286 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1287
1288 return (MSVCRT_intptr_t)hand;
1289 }
1290
1291 /*********************************************************************
1292 * _isatty (MSVCRT.@)
1293 */
1294 int CDECL _isatty(int fd)
1295 {
1296 HANDLE hand = msvcrt_fdtoh(fd);
1297
1298 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1299 if (hand == INVALID_HANDLE_VALUE)
1300 return 0;
1301
1302 return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
1303 }
1304
1305 /*********************************************************************
1306 * _mktemp (MSVCRT.@)
1307 */
1308 char * CDECL _mktemp(char *pattern)
1309 {
1310 int numX = 0;
1311 char *retVal = pattern;
1312 int id;
1313 char letter = 'a';
1314
1315 while(*pattern)
1316 numX = (*pattern++ == 'X')? numX + 1 : 0;
1317 if (numX < 5)
1318 return NULL;
1319 pattern--;
1320 id = GetCurrentProcessId();
1321 numX = 6;
1322 while(numX--)
1323 {
1324 int tempNum = id / 10;
1325 *pattern-- = id - (tempNum * 10) + '0';
1326 id = tempNum;
1327 }
1328 pattern++;
1329 do
1330 {
1331 *pattern = letter++;
1332 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES &&
1333 GetLastError() == ERROR_FILE_NOT_FOUND)
1334 return retVal;
1335 } while(letter <= 'z');
1336 return NULL;
1337 }
1338
1339 /*********************************************************************
1340 * _wmktemp (MSVCRT.@)
1341 */
1342 MSVCRT_wchar_t * CDECL _wmktemp(MSVCRT_wchar_t *pattern)
1343 {
1344 int numX = 0;
1345 MSVCRT_wchar_t *retVal = pattern;
1346 int id;
1347 MSVCRT_wchar_t letter = 'a';
1348
1349 while(*pattern)
1350 numX = (*pattern++ == 'X')? numX + 1 : 0;
1351 if (numX < 5)
1352 return NULL;
1353 pattern--;
1354 id = GetCurrentProcessId();
1355 numX = 6;
1356 while(numX--)
1357 {
1358 int tempNum = id / 10;
1359 *pattern-- = id - (tempNum * 10) + '0';
1360 id = tempNum;
1361 }
1362 pattern++;
1363 do
1364 {
1365 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES &&
1366 GetLastError() == ERROR_FILE_NOT_FOUND)
1367 return retVal;
1368 *pattern = letter++;
1369 } while(letter != '|');
1370 return NULL;
1371 }
1372
1373 static unsigned split_oflags(unsigned oflags)
1374 {
1375 int wxflags = 0;
1376 unsigned unsupp; /* until we support everything */
1377
1378 if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
1379 if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */}
1380 else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
1381 else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */}
1382 else wxflags |= WX_TEXT; /* default to TEXT*/
1383 if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1384
1385 if ((unsupp = oflags & ~(
1386 MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|
1387 MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT|
1388 MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY|
1389 MSVCRT__O_NOINHERIT|
1390 MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED
1391 )))
1392 ERR(":unsupported oflags 0x%04x\n",unsupp);
1393
1394 return wxflags;
1395 }
1396
1397 /*********************************************************************
1398 * _pipe (MSVCRT.@)
1399 */
1400 int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode)
1401 {
1402 int ret = -1;
1403 SECURITY_ATTRIBUTES sa;
1404 HANDLE readHandle, writeHandle;
1405
1406 if (!pfds)
1407 {
1408 *MSVCRT__errno() = MSVCRT_EINVAL;
1409 return -1;
1410 }
1411
1412 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
1413 sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT);
1414 sa.lpSecurityDescriptor = NULL;
1415 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
1416 {
1417 unsigned int wxflags = split_oflags(textmode);
1418 int fd;
1419
1420 LOCK_FILES();
1421 fd = msvcrt_alloc_fd(readHandle, wxflags);
1422 if (fd != -1)
1423 {
1424 pfds[0] = fd;
1425 fd = msvcrt_alloc_fd(writeHandle, wxflags);
1426 if (fd != -1)
1427 {
1428 pfds[1] = fd;
1429 ret = 0;
1430 }
1431 else
1432 {
1433 MSVCRT__close(pfds[0]);
1434 CloseHandle(writeHandle);
1435 *MSVCRT__errno() = MSVCRT_EMFILE;
1436 }
1437 }
1438 else
1439 {
1440 CloseHandle(readHandle);
1441 CloseHandle(writeHandle);
1442 *MSVCRT__errno() = MSVCRT_EMFILE;
1443 }
1444 UNLOCK_FILES();
1445 }
1446 else
1447 msvcrt_set_errno(GetLastError());
1448
1449 return ret;
1450 }
1451
1452 /*********************************************************************
1453 * _sopen (MSVCRT.@)
1454 */
1455 int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
1456 {
1457 __ms_va_list ap;
1458 int pmode;
1459 DWORD access = 0, creation = 0, attrib;
1460 DWORD sharing;
1461 int wxflag = 0, fd;
1462 HANDLE hand;
1463 SECURITY_ATTRIBUTES sa;
1464
1465
1466 TRACE(":file (%s) oflags: 0x%04x shflags: 0x%04x\n",
1467 path, oflags, shflags);
1468
1469 wxflag = split_oflags(oflags);
1470 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1471 {
1472 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1473 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1474 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1475 }
1476
1477 if (oflags & MSVCRT__O_CREAT)
1478 {
1479 __ms_va_start(ap, shflags);
1480 pmode = va_arg(ap, int);
1481 __ms_va_end(ap);
1482
1483 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1484 FIXME(": pmode 0x%04x ignored\n", pmode);
1485 else
1486 WARN(": pmode 0x%04x ignored\n", pmode);
1487
1488 if (oflags & MSVCRT__O_EXCL)
1489 creation = CREATE_NEW;
1490 else if (oflags & MSVCRT__O_TRUNC)
1491 creation = CREATE_ALWAYS;
1492 else
1493 creation = OPEN_ALWAYS;
1494 }
1495 else /* no MSVCRT__O_CREAT */
1496 {
1497 if (oflags & MSVCRT__O_TRUNC)
1498 creation = TRUNCATE_EXISTING;
1499 else
1500 creation = OPEN_EXISTING;
1501 }
1502
1503 switch( shflags )
1504 {
1505 case MSVCRT__SH_DENYRW:
1506 sharing = 0L;
1507 break;
1508 case MSVCRT__SH_DENYWR:
1509 sharing = FILE_SHARE_READ;
1510 break;
1511 case MSVCRT__SH_DENYRD:
1512 sharing = FILE_SHARE_WRITE;
1513 break;
1514 case MSVCRT__SH_DENYNO:
1515 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1516 break;
1517 default:
1518 ERR( "Unhandled shflags 0x%x\n", shflags );
1519 return -1;
1520 }
1521 attrib = FILE_ATTRIBUTE_NORMAL;
1522
1523 if (oflags & MSVCRT__O_TEMPORARY)
1524 {
1525 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1526 access |= DELETE;
1527 sharing |= FILE_SHARE_DELETE;
1528 }
1529
1530 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1531 sa.lpSecurityDescriptor = NULL;
1532 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1533
1534 hand = CreateFileA(path, access, sharing, &sa, creation, attrib, 0);
1535
1536 if (hand == INVALID_HANDLE_VALUE) {
1537 WARN(":failed-last error (%d)\n",GetLastError());
1538 msvcrt_set_errno(GetLastError());
1539 return -1;
1540 }
1541
1542 fd = msvcrt_alloc_fd(hand, wxflag);
1543
1544 TRACE(":fd (%d) handle (%p)\n",fd, hand);
1545 return fd;
1546 }
1547
1548 /*********************************************************************
1549 * _wsopen (MSVCRT.@)
1550 */
1551 int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t* path, int oflags, int shflags, ... )
1552 {
1553 __ms_va_list ap;
1554 int pmode;
1555 DWORD access = 0, creation = 0, attrib;
1556 DWORD sharing;
1557 int wxflag = 0, fd;
1558 HANDLE hand;
1559 SECURITY_ATTRIBUTES sa;
1560
1561
1562 TRACE(":file (%s) oflags: 0x%04x shflags: 0x%04x\n",
1563 debugstr_w(path), oflags, shflags);
1564
1565 wxflag = split_oflags(oflags);
1566 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1567 {
1568 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1569 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1570 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1571 }
1572
1573 if (oflags & MSVCRT__O_CREAT)
1574 {
1575 __ms_va_start(ap, shflags);
1576 pmode = va_arg(ap, int);
1577 __ms_va_end(ap);
1578
1579 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1580 FIXME(": pmode 0x%04x ignored\n", pmode);
1581 else
1582 WARN(": pmode 0x%04x ignored\n", pmode);
1583
1584 if (oflags & MSVCRT__O_EXCL)
1585 creation = CREATE_NEW;
1586 else if (oflags & MSVCRT__O_TRUNC)
1587 creation = CREATE_ALWAYS;
1588 else
1589 creation = OPEN_ALWAYS;
1590 }
1591 else /* no MSVCRT__O_CREAT */
1592 {
1593 if (oflags & MSVCRT__O_TRUNC)
1594 creation = TRUNCATE_EXISTING;
1595 else
1596 creation = OPEN_EXISTING;
1597 }
1598
1599 switch( shflags )
1600 {
1601 case MSVCRT__SH_DENYRW:
1602 sharing = 0L;
1603 break;
1604 case MSVCRT__SH_DENYWR:
1605 sharing = FILE_SHARE_READ;
1606 break;
1607 case MSVCRT__SH_DENYRD:
1608 sharing = FILE_SHARE_WRITE;
1609 break;
1610 case MSVCRT__SH_DENYNO:
1611 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1612 break;
1613 default:
1614 ERR( "Unhandled shflags 0x%x\n", shflags );
1615 return -1;
1616 }
1617 attrib = FILE_ATTRIBUTE_NORMAL;
1618
1619 if (oflags & MSVCRT__O_TEMPORARY)
1620 {
1621 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1622 access |= DELETE;
1623 sharing |= FILE_SHARE_DELETE;
1624 }
1625
1626 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1627 sa.lpSecurityDescriptor = NULL;
1628 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1629
1630 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
1631
1632 if (hand == INVALID_HANDLE_VALUE) {
1633 WARN(":failed-last error (%d)\n",GetLastError());
1634 msvcrt_set_errno(GetLastError());
1635 return -1;
1636 }
1637
1638 fd = msvcrt_alloc_fd(hand, wxflag);
1639
1640 TRACE(":fd (%d) handle (%p)\n",fd, hand);
1641 return fd;
1642 }
1643
1644 /*********************************************************************
1645 * _open (MSVCRT.@)
1646 */
1647 int CDECL MSVCRT__open( const char *path, int flags, ... )
1648 {
1649 __ms_va_list ap;
1650
1651 if (flags & MSVCRT__O_CREAT)
1652 {
1653 int pmode;
1654 __ms_va_start(ap, flags);
1655 pmode = va_arg(ap, int);
1656 __ms_va_end(ap);
1657 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1658 }
1659 else
1660 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
1661 }
1662
1663 /*********************************************************************
1664 * _wopen (MSVCRT.@)
1665 */
1666 int CDECL _wopen(const MSVCRT_wchar_t *path,int flags,...)
1667 {
1668 __ms_va_list ap;
1669
1670 if (flags & MSVCRT__O_CREAT)
1671 {
1672 int pmode;
1673 __ms_va_start(ap, flags);
1674 pmode = va_arg(ap, int);
1675 __ms_va_end(ap);
1676 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1677 }
1678 else
1679 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO);
1680 }
1681
1682 /*********************************************************************
1683 * _creat (MSVCRT.@)
1684 */
1685 int CDECL MSVCRT__creat(const char *path, int flags)
1686 {
1687 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1688 return MSVCRT__open(path, usedFlags);
1689 }
1690
1691 /*********************************************************************
1692 * _wcreat (MSVCRT.@)
1693 */
1694 int CDECL _wcreat(const MSVCRT_wchar_t *path, int flags)
1695 {
1696 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1697 return _wopen(path, usedFlags);
1698 }
1699
1700 /*********************************************************************
1701 * _open_osfhandle (MSVCRT.@)
1702 */
1703 int CDECL _open_osfhandle(MSVCRT_intptr_t handle, int oflags)
1704 {
1705 int fd;
1706
1707 /* MSVCRT__O_RDONLY (0) always matches, so set the read flag
1708 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
1709 * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
1710 * text - it never sets MSVCRT__O_BINARY.
1711 */
1712 /* don't let split_oflags() decide the mode if no mode is passed */
1713 if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)))
1714 oflags |= MSVCRT__O_BINARY;
1715
1716 fd = msvcrt_alloc_fd((HANDLE)handle, split_oflags(oflags));
1717 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, oflags);
1718 return fd;
1719 }
1720
1721 /*********************************************************************
1722 * _rmtmp (MSVCRT.@)
1723 */
1724 int CDECL _rmtmp(void)
1725 {
1726 int num_removed = 0, i;
1727
1728 LOCK_FILES();
1729 for (i = 3; i < MSVCRT_stream_idx; i++)
1730 if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_tmpfname)
1731 {
1732 MSVCRT_fclose(MSVCRT_fstreams[i]);
1733 num_removed++;
1734 }
1735 UNLOCK_FILES();
1736
1737 if (num_removed)
1738 TRACE(":removed (%d) temp files\n",num_removed);
1739 return num_removed;
1740 }
1741
1742 /*********************************************************************
1743 * (internal) read_i
1744 */
1745 static int read_i(int fd, void *buf, unsigned int count)
1746 {
1747 DWORD num_read;
1748 char *bufstart = buf;
1749 HANDLE hand = msvcrt_fdtoh(fd);
1750
1751 if (MSVCRT_fdesc[fd].wxflag & WX_READEOF) {
1752 MSVCRT_fdesc[fd].wxflag |= WX_ATEOF;
1753 TRACE("already at EOF, returning 0\n");
1754 return 0;
1755 }
1756 /* Don't trace small reads, it gets *very* annoying */
1757 if (count > 4)
1758 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
1759 if (hand == INVALID_HANDLE_VALUE)
1760 return -1;
1761
1762 /* Reading single bytes in O_TEXT mode makes things slow
1763 * So read big chunks
1764 */
1765 if (ReadFile(hand, bufstart, count, &num_read, NULL))
1766 {
1767 if (MSVCRT_fdesc[fd].wxflag & WX_TEXT)
1768 {
1769 DWORD i, j;
1770 for (i=0, j=0; i<num_read; i++)
1771 {
1772 /* in text mode, a ctrl-z signals EOF */
1773 if (bufstart[i] == 0x1a)
1774 {
1775 MSVCRT_fdesc[fd].wxflag |= (WX_ATEOF|WX_READEOF);
1776 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
1777 break;
1778 }
1779 /* in text mode, strip \r if followed by \n.
1780 * BUG: should save state across calls somehow, so CR LF that
1781 * straddles buffer boundary gets recognized properly?
1782 */
1783 if ((bufstart[i] != '\r')
1784 || ((i+1) < num_read && bufstart[i+1] != '\n'))
1785 bufstart[j++] = bufstart[i];
1786 }
1787 num_read = j;
1788 }
1789 if (count != 0 && num_read == 0)
1790 {
1791 MSVCRT_fdesc[fd].wxflag |= (WX_ATEOF|WX_READEOF);
1792 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
1793 }
1794 }
1795 else
1796 {
1797 if (GetLastError() == ERROR_BROKEN_PIPE)
1798 {
1799 TRACE(":end-of-pipe\n");
1800 MSVCRT_fdesc[fd].wxflag |= (WX_ATEOF|WX_READEOF);
1801 return 0;
1802 }
1803 else
1804 {
1805 TRACE(":failed-last error (%d)\n",GetLastError());
1806 return -1;
1807 }
1808 }
1809
1810 if (count > 4)
1811 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
1812 return num_read;
1813 }
1814
1815 /*********************************************************************
1816 * _read (MSVCRT.@)
1817 */
1818 int CDECL MSVCRT__read(int fd, void *buf, unsigned int count)
1819 {
1820 int num_read;
1821 num_read = read_i(fd, buf, count);
1822 return num_read;
1823 }
1824
1825 /*********************************************************************
1826 * _setmode (MSVCRT.@)
1827 */
1828 int CDECL _setmode(int fd,int mode)
1829 {
1830 int ret = MSVCRT_fdesc[fd].wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
1831 if (mode & (~(MSVCRT__O_TEXT|MSVCRT__O_BINARY)))
1832 FIXME("fd (%d) mode (0x%08x) unknown\n",fd,mode);
1833 if ((mode & MSVCRT__O_TEXT) == MSVCRT__O_TEXT)
1834 MSVCRT_fdesc[fd].wxflag |= WX_TEXT;
1835 else
1836 MSVCRT_fdesc[fd].wxflag &= ~WX_TEXT;
1837 return ret;
1838 }
1839
1840 /*********************************************************************
1841 * _stat64 (MSVCRT.@)
1842 */
1843 int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
1844 {
1845 DWORD dw;
1846 WIN32_FILE_ATTRIBUTE_DATA hfi;
1847 unsigned short mode = ALL_S_IREAD;
1848 int plen;
1849
1850 TRACE(":file (%s) buf(%p)\n",path,buf);
1851
1852 if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
1853 {
1854 TRACE("failed (%d)\n",GetLastError());
1855 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1856 return -1;
1857 }
1858
1859 memset(buf,0,sizeof(struct MSVCRT__stat64));
1860
1861 /* FIXME: rdev isn't drive num, despite what the docs say-what is it?
1862 Bon 011120: This FIXME seems incorrect
1863 Also a letter as first char isn't enough to be classified
1864 as a drive letter
1865 */
1866 if (isalpha(*path)&& (*(path+1)==':'))
1867 buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
1868 else
1869 buf->st_dev = buf->st_rdev = _getdrive() - 1;
1870
1871 plen = strlen(path);
1872
1873 /* Dir, or regular file? */
1874 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
1875 (path[plen-1] == '\\'))
1876 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
1877 else
1878 {
1879 mode |= MSVCRT__S_IFREG;
1880 /* executable? */
1881 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
1882 {
1883 unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
1884 (tolower(path[plen-3]) << 16);
1885 if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
1886 mode |= ALL_S_IEXEC;
1887 }
1888 }
1889
1890 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1891 mode |= ALL_S_IWRITE;
1892
1893 buf->st_mode = mode;
1894 buf->st_nlink = 1;
1895 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1896 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1897 buf->st_atime = dw;
1898 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1899 buf->st_mtime = buf->st_ctime = dw;
1900 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
1901 (int)(buf->st_size >> 32),(int)buf->st_size,
1902 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
1903 return 0;
1904 }
1905
1906 /*********************************************************************
1907 * _stati64 (MSVCRT.@)
1908 */
1909 int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf)
1910 {
1911 int ret;
1912 struct MSVCRT__stat64 buf64;
1913
1914 ret = MSVCRT_stat64(path, &buf64);
1915 if (!ret)
1916 msvcrt_stat64_to_stati64(&buf64, buf);
1917 return ret;
1918 }
1919
1920 /*********************************************************************
1921 * _stat (MSVCRT.@)
1922 */
1923 int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf)
1924 { int ret;
1925 struct MSVCRT__stat64 buf64;
1926
1927 ret = MSVCRT_stat64( path, &buf64);
1928 if (!ret)
1929 msvcrt_stat64_to_stat(&buf64, buf);
1930 return ret;
1931 }
1932
1933 /*********************************************************************
1934 * _wstat64 (MSVCRT.@)
1935 */
1936 int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf)
1937 {
1938 DWORD dw;
1939 WIN32_FILE_ATTRIBUTE_DATA hfi;
1940 unsigned short mode = ALL_S_IREAD;
1941 int plen;
1942
1943 TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
1944
1945 if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
1946 {
1947 TRACE("failed (%d)\n",GetLastError());
1948 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1949 return -1;
1950 }
1951
1952 memset(buf,0,sizeof(struct MSVCRT__stat64));
1953
1954 /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
1955 if (MSVCRT_iswalpha(*path))
1956 buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
1957 else
1958 buf->st_dev = buf->st_rdev = _getdrive() - 1;
1959
1960 plen = strlenW(path);
1961
1962 /* Dir, or regular file? */
1963 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
1964 (path[plen-1] == '\\'))
1965 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
1966 else
1967 {
1968 mode |= MSVCRT__S_IFREG;
1969 /* executable? */
1970 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
1971 {
1972 ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
1973 ((ULONGLONG)tolowerW(path[plen-3]) << 32);
1974 if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
1975 mode |= ALL_S_IEXEC;
1976 }
1977 }
1978
1979 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1980 mode |= ALL_S_IWRITE;
1981
1982 buf->st_mode = mode;
1983 buf->st_nlink = 1;
1984 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1985 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1986 buf->st_atime = dw;
1987 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1988 buf->st_mtime = buf->st_ctime = dw;
1989 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
1990 (int)(buf->st_size >> 32),(int)buf->st_size,
1991 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
1992 return 0;
1993 }
1994
1995 /*********************************************************************
1996 * _wstati64 (MSVCRT.@)
1997 */
1998 int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
1999 {
2000 int ret;
2001 struct MSVCRT__stat64 buf64;
2002
2003 ret = MSVCRT__wstat64(path, &buf64);
2004 if (!ret)
2005 msvcrt_stat64_to_stati64(&buf64, buf);
2006 return ret;
2007 }
2008
2009 /*********************************************************************
2010 * _wstat (MSVCRT.@)
2011 */
2012 int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
2013 {
2014 int ret;
2015 struct MSVCRT__stat64 buf64;
2016
2017 ret = MSVCRT__wstat64( path, &buf64 );
2018 if (!ret) msvcrt_stat64_to_stat(&buf64, buf);
2019 return ret;
2020 }
2021
2022 /*********************************************************************
2023 * _tell (MSVCRT.@)
2024 */
2025 MSVCRT_long CDECL _tell(int fd)
2026 {
2027 return MSVCRT__lseek(fd, 0, SEEK_CUR);
2028 }
2029
2030 /*********************************************************************
2031 * _telli64 (MSVCRT.@)
2032 */
2033 __int64 CDECL _telli64(int fd)
2034 {
2035 return MSVCRT__lseeki64(fd, 0, SEEK_CUR);
2036 }
2037
2038 /*********************************************************************
2039 * _tempnam (MSVCRT.@)
2040 */
2041 char * CDECL _tempnam(const char *dir, const char *prefix)
2042 {
2043 char tmpbuf[MAX_PATH];
2044 const char *tmp_dir = MSVCRT_getenv("TMP");
2045
2046 if (tmp_dir) dir = tmp_dir;
2047
2048 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
2049 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
2050 {
2051 TRACE("got name (%s)\n",tmpbuf);
2052 DeleteFileA(tmpbuf);
2053 return _strdup(tmpbuf);
2054 }
2055 TRACE("failed (%d)\n",GetLastError());
2056 return NULL;
2057 }
2058
2059 /*********************************************************************
2060 * _wtempnam (MSVCRT.@)
2061 */
2062 MSVCRT_wchar_t * CDECL _wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
2063 {
2064 MSVCRT_wchar_t tmpbuf[MAX_PATH];
2065
2066 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
2067 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
2068 {
2069 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
2070 DeleteFileW(tmpbuf);
2071 return _wcsdup(tmpbuf);
2072 }
2073 TRACE("failed (%d)\n",GetLastError());
2074 return NULL;
2075 }
2076
2077 /*********************************************************************
2078 * _umask (MSVCRT.@)
2079 */
2080 int CDECL MSVCRT__umask(int umask)
2081 {
2082 int old_umask = MSVCRT_umask;
2083 TRACE("(%d)\n",umask);
2084 MSVCRT_umask = umask;
2085 return old_umask;
2086 }
2087
2088 /*********************************************************************
2089 * _utime64 (MSVCRT.@)
2090 */
2091 int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t)
2092 {
2093 int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2094
2095 if (fd > 0)
2096 {
2097 int retVal = _futime64(fd, t);
2098 MSVCRT__close(fd);
2099 return retVal;
2100 }
2101 return -1;
2102 }
2103
2104 /*********************************************************************
2105 * _utime32 (MSVCRT.@)
2106 */
2107 int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t)
2108 {
2109 struct MSVCRT___utimbuf64 t64;
2110 t64.actime = t->actime;
2111 t64.modtime = t->modtime;
2112 return _utime64( path, &t64 );
2113 }
2114
2115 /*********************************************************************
2116 * _utime (MSVCRT.@)
2117 */
2118 #ifdef _WIN64
2119 int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t)
2120 {
2121 return _utime64( path, t );
2122 }
2123 #else
2124 int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t)
2125 {
2126 return _utime32( path, t );
2127 }
2128 #endif
2129
2130 /*********************************************************************
2131 * _wutime64 (MSVCRT.@)
2132 */
2133 int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2134 {
2135 int fd = _wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2136
2137 if (fd > 0)
2138 {
2139 int retVal = _futime64(fd, t);
2140 MSVCRT__close(fd);
2141 return retVal;
2142 }
2143 return -1;
2144 }
2145
2146 /*********************************************************************
2147 * _wutime32 (MSVCRT.@)
2148 */
2149 int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2150 {
2151 struct MSVCRT___utimbuf64 t64;
2152 t64.actime = t->actime;
2153 t64.modtime = t->modtime;
2154 return _wutime64( path, &t64 );
2155 }
2156
2157 /*********************************************************************
2158 * _wutime (MSVCRT.@)
2159 */
2160 #ifdef _WIN64
2161 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2162 {
2163 return _wutime64( path, t );
2164 }
2165 #else
2166 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2167 {
2168 return _wutime32( path, t );
2169 }
2170 #endif
2171
2172 /*********************************************************************
2173 * _write (MSVCRT.@)
2174 */
2175 int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
2176 {
2177 DWORD num_written;
2178 HANDLE hand = msvcrt_fdtoh(fd);
2179
2180 /* Don't trace small writes, it gets *very* annoying */
2181 #if 0
2182 if (count > 32)
2183 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
2184 #endif
2185 if (hand == INVALID_HANDLE_VALUE)
2186 {
2187 *MSVCRT__errno() = MSVCRT_EBADF;
2188 return -1;
2189 }
2190
2191 /* If appending, go to EOF */
2192 if (MSVCRT_fdesc[fd].wxflag & WX_APPEND)
2193 MSVCRT__lseek(fd, 0, FILE_END);
2194
2195 if (!(MSVCRT_fdesc[fd].wxflag & WX_TEXT))
2196 {
2197 if (WriteFile(hand, buf, count, &num_written, NULL)
2198 && (num_written == count))
2199 return num_written;
2200 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
2201 hand, GetLastError());
2202 *MSVCRT__errno() = MSVCRT_ENOSPC;
2203 }
2204 else
2205 {
2206 unsigned int i, j, nr_lf;
2207 char *p = NULL;
2208 const char *q;
2209 const char *s = buf, *buf_start = buf;
2210 /* find number of \n ( without preceding \r ) */
2211 for ( nr_lf=0,i = 0; i <count; i++)
2212 {
2213 if (s[i]== '\n')
2214 {
2215 nr_lf++;
2216 /*if ((i >1) && (s[i-1] == '\r')) nr_lf--; */
2217 }
2218 }
2219 if (nr_lf)
2220 {
2221 if ((q = p = MSVCRT_malloc(count + nr_lf)))
2222 {
2223 for (s = buf, i = 0, j = 0; i < count; i++)
2224 {
2225 if (s[i]== '\n')
2226 {
2227 p[j++] = '\r';
2228 /*if ((i >1) && (s[i-1] == '\r'))j--;*/
2229 }
2230 p[j++] = s[i];
2231 }
2232 }
2233 else
2234 {
2235 FIXME("Malloc failed\n");
2236 nr_lf =0;
2237 q = buf;
2238 }
2239 }
2240 else
2241 q = buf;
2242
2243 if ((WriteFile(hand, q, count+nr_lf, &num_written, NULL) == 0 ) || (num_written != count+nr_lf))
2244 {
2245 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
2246 fd, hand, GetLastError(), num_written);
2247 *MSVCRT__errno() = MSVCRT_ENOSPC;
2248 if(nr_lf)
2249 MSVCRT_free(p);
2250 return s - buf_start;
2251 }
2252 else
2253 {
2254 if(nr_lf)
2255 MSVCRT_free(p);
2256 return count;
2257 }
2258 }
2259 return -1;
2260 }
2261
2262 /*********************************************************************
2263 * _putw (MSVCRT.@)
2264 */
2265 int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
2266 {
2267 int len;
2268 len = MSVCRT__write(file->_file, &val, sizeof(val));
2269 if (len == sizeof(val)) return val;
2270 file->_flag |= MSVCRT__IOERR;
2271 return MSVCRT_EOF;
2272 }
2273
2274 /*********************************************************************
2275 * fclose (MSVCRT.@)
2276 */
2277 int CDECL MSVCRT_fclose(MSVCRT_FILE* file)
2278 {
2279 int r, flag;
2280
2281 flag = file->_flag;
2282 MSVCRT_free(file->_tmpfname);
2283 file->_tmpfname = NULL;
2284 /* flush stdio buffers */
2285 if(file->_flag & MSVCRT__IOWRT)
2286 MSVCRT_fflush(file);
2287 if(file->_flag & MSVCRT__IOMYBUF)
2288 MSVCRT_free(file->_base);
2289
2290 r=MSVCRT__close(file->_file);
2291
2292 file->_flag = 0;
2293
2294 return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
2295 }
2296
2297 /*********************************************************************
2298 * feof (MSVCRT.@)
2299 */
2300 int CDECL MSVCRT_feof(MSVCRT_FILE* file)
2301 {
2302 return file->_flag & MSVCRT__IOEOF;
2303 }
2304
2305 /*********************************************************************
2306 * ferror (MSVCRT.@)
2307 */
2308 int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
2309 {
2310 return file->_flag & MSVCRT__IOERR;
2311 }
2312
2313 /*********************************************************************
2314 * _filbuf (MSVCRT.@)
2315 */
2316 int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
2317 {
2318 /* Allocate buffer if needed */
2319 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF) ) {
2320 msvcrt_alloc_buffer(file);
2321 }
2322 if(!(file->_flag & MSVCRT__IOREAD)) {
2323 if(file->_flag & MSVCRT__IORW) {
2324 file->_flag |= MSVCRT__IOREAD;
2325 } else {
2326 return MSVCRT_EOF;
2327 }
2328 }
2329 if(file->_flag & MSVCRT__IONBF) {
2330 unsigned char c;
2331 int r;
2332 if ((r = read_i(file->_file,&c,1)) != 1) {
2333 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2334 return MSVCRT_EOF;
2335 }
2336 return c;
2337 } else {
2338 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
2339 if(file->_cnt<=0) {
2340 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2341 file->_cnt = 0;
2342 return MSVCRT_EOF;
2343 }
2344 file->_cnt--;
2345 file->_ptr = file->_base+1;
2346 return *(unsigned char *)file->_base;
2347 }
2348 }
2349
2350 /*********************************************************************
2351 * fgetc (MSVCRT.@)
2352 */
2353 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
2354 {
2355 unsigned char *i;
2356 unsigned int j;
2357 if (file->_cnt>0) {
2358 file->_cnt--;
2359 i = (unsigned char *)file->_ptr++;
2360 j = *i;
2361 } else
2362 j = MSVCRT__filbuf(file);
2363 return j;
2364 }
2365
2366 /*********************************************************************
2367 * _fgetchar (MSVCRT.@)
2368 */
2369 int CDECL _fgetchar(void)
2370 {
2371 return MSVCRT_fgetc(MSVCRT_stdin);
2372 }
2373
2374 /*********************************************************************
2375 * fgets (MSVCRT.@)
2376 */
2377 char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
2378 {
2379 int cc = MSVCRT_EOF;
2380 char * buf_start = s;
2381
2382 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2383 file,file->_file,s,size);
2384
2385 while ((size >1) && (cc = MSVCRT_fgetc(file)) != MSVCRT_EOF && cc != '\n')
2386 {
2387 *s++ = (char)cc;
2388 size --;
2389 }
2390 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
2391 {
2392 TRACE(":nothing read\n");
2393 return NULL;
2394 }
2395 if ((cc != MSVCRT_EOF) && (size > 1))
2396 *s++ = cc;
2397 *s = '\0';
2398 TRACE(":got %s\n", debugstr_a(buf_start));
2399 return buf_start;
2400 }
2401
2402 /*********************************************************************
2403 * fgetwc (MSVCRT.@)
2404 *
2405 * In MSVCRT__O_TEXT mode, multibyte characters are read from the file, dropping
2406 * the CR from CR/LF combinations
2407 */
2408 MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
2409 {
2410 char c;
2411
2412 if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
2413 {
2414 MSVCRT_wchar_t wc;
2415 unsigned int i;
2416 int j;
2417 char *chp, *wcp;
2418 wcp = (char *)&wc;
2419 for(i=0; i<sizeof(wc); i++)
2420 {
2421 if (file->_cnt>0)
2422 {
2423 file->_cnt--;
2424 chp = file->_ptr++;
2425 wcp[i] = *chp;
2426 }
2427 else
2428 {
2429 j = MSVCRT__filbuf(file);
2430 if(file->_cnt<=0)
2431 {
2432 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2433 file->_cnt = 0;
2434 return MSVCRT_WEOF;
2435 }
2436 wcp[i] = j;
2437 }
2438 }
2439 return wc;
2440 }
2441
2442 c = MSVCRT_fgetc(file);
2443 if ((MSVCRT___mb_cur_max > 1) && MSVCRT_isleadbyte(c))
2444 {
2445 FIXME("Treat Multibyte characters\n");
2446 }
2447 if (c == MSVCRT_EOF)
2448 return MSVCRT_WEOF;
2449 else
2450 return (MSVCRT_wint_t)c;
2451 }
2452
2453 /*********************************************************************
2454 * _getw (MSVCRT.@)
2455 */
2456 int CDECL MSVCRT__getw(MSVCRT_FILE* file)
2457 {
2458 char *ch;
2459 int i, k;
2460 unsigned int j;
2461 ch = (char *)&i;
2462 for (j=0; j<sizeof(int); j++) {
2463 k = MSVCRT_fgetc(file);
2464 if (k == MSVCRT_EOF) {
2465 file->_flag |= MSVCRT__IOEOF;
2466 return EOF;
2467 }
2468 ch[j] = k;
2469 }
2470 return i;
2471 }
2472
2473 /*********************************************************************
2474 * getwc (MSVCRT.@)
2475 */
2476 MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
2477 {
2478 return MSVCRT_fgetwc(file);
2479 }
2480
2481 /*********************************************************************
2482 * _fgetwchar (MSVCRT.@)
2483 */
2484 MSVCRT_wint_t CDECL _fgetwchar(void)
2485 {
2486 return MSVCRT_fgetwc(MSVCRT_stdin);
2487 }
2488
2489 /*********************************************************************
2490 * getwchar (MSVCRT.@)
2491 */
2492 MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
2493 {
2494 return _fgetwchar();
2495 }
2496
2497 /*********************************************************************
2498 * fgetws (MSVCRT.@)
2499 */
2500 MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
2501 {
2502 int cc = MSVCRT_WEOF;
2503 MSVCRT_wchar_t * buf_start = s;
2504
2505 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2506 file,file->_file,s,size);
2507
2508 while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n')
2509 {
2510 *s++ = (char)cc;
2511 size --;
2512 }
2513 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
2514 {
2515 TRACE(":nothing read\n");
2516 return NULL;
2517 }
2518 if ((cc != MSVCRT_WEOF) && (size > 1))
2519 *s++ = cc;
2520 *s = 0;
2521 TRACE(":got %s\n", debugstr_w(buf_start));
2522 return buf_start;
2523 }
2524
2525 /*********************************************************************
2526 * fwrite (MSVCRT.@)
2527 */
2528 MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
2529 {
2530 MSVCRT_size_t wrcnt=size * nmemb;
2531 int written = 0;
2532 if (size == 0)
2533 return 0;
2534 if(file->_cnt) {
2535 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
2536 memcpy(file->_ptr, ptr, pcnt);
2537 file->_cnt -= pcnt;
2538 file->_ptr += pcnt;
2539 written = pcnt;
2540 wrcnt -= pcnt;
2541 ptr = (const char*)ptr + pcnt;
2542 } else if(!(file->_flag & MSVCRT__IOWRT)) {
2543 if(file->_flag & MSVCRT__IORW) {
2544 file->_flag |= MSVCRT__IOWRT;
2545 } else
2546 return 0;
2547 }
2548 if(wrcnt) {
2549 /* Flush buffer */
2550 int res=msvcrt_flush_buffer(file);
2551 if(!res) {
2552 int pwritten = MSVCRT__write(file->_file, ptr, wrcnt);
2553 if (pwritten <= 0)
2554 {
2555 file->_flag |= MSVCRT__IOERR;
2556 pwritten=0;
2557 }
2558 written += pwritten;
2559 }
2560 }
2561 return written / size;
2562 }
2563
2564 /*********************************************************************
2565 * fputwc (MSVCRT.@)
2566 */
2567 MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
2568 {
2569 MSVCRT_wchar_t mwc=wc;
2570 if (MSVCRT_fwrite( &mwc, sizeof(mwc), 1, file) != 1)
2571 return MSVCRT_WEOF;
2572 return wc;
2573 }
2574
2575 /*********************************************************************
2576 * _fputwchar (MSVCRT.@)
2577 */
2578 MSVCRT_wint_t CDECL _fputwchar(MSVCRT_wint_t wc)
2579 {
2580 return MSVCRT_fputwc(wc, MSVCRT_stdout);
2581 }
2582
2583 /*********************************************************************
2584 * _wfsopen (MSVCRT.@)
2585 */
2586 MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
2587 {
2588 MSVCRT_FILE* file;
2589 int open_flags, stream_flags, fd;
2590
2591 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
2592
2593 /* map mode string to open() flags. "man fopen" for possibilities. */
2594 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
2595 return NULL;
2596
2597 LOCK_FILES();
2598 fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
2599 if (fd < 0)
2600 file = NULL;
2601 else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
2602 != -1)
2603 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
2604 else if (file)
2605 {
2606 file->_flag = 0;
2607 file = NULL;
2608 }
2609
2610 TRACE(":got (%p)\n",file);
2611 if (fd >= 0 && !file)
2612 MSVCRT__close(fd);
2613 UNLOCK_FILES();
2614 return file;
2615 }
2616
2617 /*********************************************************************
2618 * _fsopen (MSVCRT.@)
2619 */
2620 MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
2621 {
2622 MSVCRT_FILE *ret;
2623 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
2624
2625 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
2626 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
2627 {
2628 MSVCRT_free(pathW);
2629 return NULL;
2630 }
2631
2632 ret = MSVCRT__wfsopen(pathW, modeW, share);
2633
2634 MSVCRT_free(pathW);
2635 MSVCRT_free(modeW);
2636 return ret;
2637 }
2638
2639 /*********************************************************************
2640 * fopen (MSVCRT.@)
2641 */
2642 MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
2643 {
2644 return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
2645 }
2646
2647 /*********************************************************************
2648 * _wfopen (MSVCRT.@)
2649 */
2650 MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
2651 {
2652 return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
2653 }
2654
2655 /* MSVCRT_fputc calls MSVCRT__flsbuf which calls MSVCRT_fputc */
2656 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file);
2657
2658 /*********************************************************************
2659 * fputc (MSVCRT.@)
2660 */
2661 int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
2662 {
2663 if(file->_cnt>0) {
2664 *file->_ptr++=c;
2665 file->_cnt--;
2666 if (c == '\n')
2667 {
2668 int res = msvcrt_flush_buffer(file);
2669 return res ? res : c;
2670 }
2671 else
2672 return c & 0xff;
2673 } else {
2674 return MSVCRT__flsbuf(c, file);
2675 }
2676 }
2677
2678 /*********************************************************************
2679 * _flsbuf (MSVCRT.@)
2680 */
2681 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
2682 {
2683 /* Flush output buffer */
2684 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
2685 msvcrt_alloc_buffer(file);
2686 }
2687 if(!(file->_flag & MSVCRT__IOWRT)) {
2688 if(file->_flag & MSVCRT__IORW) {
2689 file->_flag |= MSVCRT__IOWRT;
2690 } else {
2691 return MSVCRT_EOF;
2692 }
2693 }
2694 if(file->_bufsiz) {
2695 int res=msvcrt_flush_buffer(file);
2696 return res?res : MSVCRT_fputc(c, file);
2697 } else {
2698 unsigned char cc=c;
2699 int len;
2700 /* set _cnt to 0 for unbuffered FILEs */
2701 file->_cnt = 0;
2702 len = MSVCRT__write(file->_file, &cc, 1);
2703 if (len == 1) return c & 0xff;
2704 file->_flag |= MSVCRT__IOERR;
2705 return MSVCRT_EOF;
2706 }
2707 }
2708
2709 /*********************************************************************
2710 * _fputchar (MSVCRT.@)
2711 */
2712 int CDECL _fputchar(int c)
2713 {
2714 return MSVCRT_fputc(c, MSVCRT_stdout);
2715 }
2716
2717 /*********************************************************************
2718 * fread (MSVCRT.@)
2719 */
2720 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
2721 { MSVCRT_size_t rcnt=size * nmemb;
2722 MSVCRT_size_t read=0;
2723 int pread=0;
2724
2725 if(!rcnt)
2726 return 0;
2727
2728 /* first buffered data */
2729 if(file->_cnt>0) {
2730 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
2731 memcpy(ptr, file->_ptr, pcnt);
2732 file->_cnt -= pcnt;
2733 file->_ptr += pcnt;
2734 read += pcnt ;
2735 rcnt -= pcnt ;
2736 ptr = (char*)ptr + pcnt;
2737 } else if(!(file->_flag & MSVCRT__IOREAD )) {
2738 if(file->_flag & MSVCRT__IORW) {
2739 file->_flag |= MSVCRT__IOREAD;
2740 } else
2741 return 0;
2742 }
2743 while(rcnt>0)
2744 {
2745 int i;
2746 /* Fill the buffer on small reads.
2747 * TODO: Use a better buffering strategy.
2748 */
2749 if (!file->_cnt && size*nmemb <= MSVCRT_BUFSIZ/2 && !(file->_flag & MSVCRT__IONBF)) {
2750 if (file->_bufsiz == 0) {
2751 msvcrt_alloc_buffer(file);
2752 }
2753 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
2754 file->_ptr = file->_base;
2755 i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
2756 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
2757 if (i > 0 && i < file->_cnt) {
2758 MSVCRT_fdesc[file->_file].wxflag &= ~WX_ATEOF;
2759 file->_flag &= ~MSVCRT__IOEOF;
2760 }
2761 if (i > 0) {
2762 memcpy(ptr, file->_ptr, i);
2763 file->_cnt -= i;
2764 file->_ptr += i;
2765 }
2766 } else {
2767 i = MSVCRT__read(file->_file,ptr, rcnt);
2768 }
2769 pread += i;
2770 rcnt -= i;
2771 ptr = (char *)ptr+i;
2772 /* expose feof condition in the flags
2773 * MFC tests file->_flag for feof, and doesn't call feof())
2774 */
2775 if ( MSVCRT_fdesc[file->_file].wxflag & WX_ATEOF)
2776 file->_flag |= MSVCRT__IOEOF;
2777 else if (i == -1)
2778 {
2779 file->_flag |= MSVCRT__IOERR;
2780 pread = 0;
2781 rcnt = 0;
2782 }
2783 if (i < 1) break;
2784 }
2785 read+=pread;
2786 return read / size;
2787 }
2788
2789 /*********************************************************************
2790 * _wfreopen (MSVCRT.@)
2791 *
2792 */
2793 MSVCRT_FILE* CDECL _wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
2794 {
2795 int open_flags, stream_flags, fd;
2796
2797 TRACE(":path (%p) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file->_file);
2798
2799 LOCK_FILES();
2800 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
2801 file = NULL;
2802 else
2803 {
2804 MSVCRT_fclose(file);
2805 /* map mode string to open() flags. "man fopen" for possibilities. */
2806 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
2807 file = NULL;
2808 else
2809 {
2810 fd = _wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
2811 if (fd < 0)
2812 file = NULL;
2813 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
2814 {
2815 file->_flag = 0;
2816 WARN(":failed-last error (%d)\n",GetLastError());
2817 msvcrt_set_errno(GetLastError());
2818 file = NULL;
2819 }
2820 }
2821 }
2822 UNLOCK_FILES();
2823 return file;
2824 }
2825
2826 /*********************************************************************
2827 * freopen (MSVCRT.@)
2828 *
2829 */
2830 MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
2831 {
2832 MSVCRT_FILE *ret;
2833 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
2834
2835 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
2836 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
2837 {
2838 MSVCRT_free(pathW);
2839 return NULL;
2840 }
2841
2842 ret = _wfreopen(pathW, modeW, file);
2843
2844 MSVCRT_free(pathW);
2845 MSVCRT_free(modeW);
2846 return ret;
2847 }
2848
2849 /*********************************************************************
2850 * fsetpos (MSVCRT.@)
2851 */
2852 int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
2853 {
2854 /* Note that all this has been lifted 'as is' from fseek */
2855 if(file->_flag & MSVCRT__IOWRT)
2856 msvcrt_flush_buffer(file);
2857
2858 /* Discard buffered input */
2859 file->_cnt = 0;
2860 file->_ptr = file->_base;
2861
2862 /* Reset direction of i/o */
2863 if(file->_flag & MSVCRT__IORW) {
2864 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
2865 }
2866
2867 return (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
2868 }
2869
2870 /*********************************************************************
2871 * ftell (MSVCRT.@)
2872 */
2873 LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
2874 {
2875 /* TODO: just call fgetpos and return lower half of result */
2876 int off=0;
2877 MSVCRT_long pos;
2878 pos = _tell(file->_file);
2879 if(pos == -1) return -1;
2880 if(file->_bufsiz) {
2881 if( file->_flag & MSVCRT__IOWRT ) {
2882 off = file->_ptr - file->_base;
2883 } else {
2884 off = -file->_cnt;
2885 if (MSVCRT_fdesc[file->_file].wxflag & WX_TEXT) {
2886 /* Black magic correction for CR removal */
2887 int i;
2888 for (i=0; i<file->_cnt; i++) {
2889 if (file->_ptr[i] == '\n')
2890 off--;
2891 }
2892 }
2893 }
2894 }
2895 return off + pos;
2896 }
2897
2898 /*********************************************************************
2899 * fgetpos (MSVCRT.@)
2900 */
2901 int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
2902 {
2903 int off=0;
2904 *pos = MSVCRT__lseeki64(file->_file,0,SEEK_CUR);
2905 if(*pos == -1) return -1;
2906 if(file->_bufsiz) {
2907 if( file->_flag & MSVCRT__IOWRT ) {
2908 off = file->_ptr - file->_base;
2909 } else {
2910 off = -file->_cnt;
2911 if (MSVCRT_fdesc[file->_file].wxflag & WX_TEXT) {
2912 /* Black magic correction for CR removal */
2913 int i;
2914 for (i=0; i<file->_cnt; i++) {
2915 if (file->_ptr[i] == '\n')
2916 off--;
2917 }
2918 }
2919 }
2920 }
2921 *pos += off;
2922 return 0;
2923 }
2924
2925 /*********************************************************************
2926 * fputs (MSVCRT.@)
2927 */
2928 int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
2929 {
2930 MSVCRT_size_t i, len = strlen(s);
2931 if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
2932 return MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
2933 for (i=0; i<len; i++)
2934 if (MSVCRT_fputc(s[i], file) == MSVCRT_EOF)
2935 return MSVCRT_EOF;
2936 return 0;
2937 }
2938
2939 /*********************************************************************
2940 * fputws (MSVCRT.@)
2941 */
2942 int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
2943 {
2944 MSVCRT_size_t i, len = strlenW(s);
2945 if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
2946 return MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
2947 for (i=0; i<len; i++)
2948 {
2949 if ((s[i] == '\n') && (MSVCRT_fputc('\r', file) == MSVCRT_EOF))
2950 return MSVCRT_WEOF;
2951 if (MSVCRT_fputwc(s[i], file) == MSVCRT_WEOF)
2952 return MSVCRT_WEOF;
2953 }
2954 return 0;
2955 }
2956
2957 /*********************************************************************
2958 * getchar (MSVCRT.@)
2959 */
2960 int CDECL MSVCRT_getchar(void)
2961 {
2962 return MSVCRT_fgetc(MSVCRT_stdin);
2963 }
2964
2965 /*********************************************************************
2966 * getc (MSVCRT.@)
2967 */
2968 int CDECL MSVCRT_getc(MSVCRT_FILE* file)
2969 {
2970 return MSVCRT_fgetc(file);
2971 }
2972
2973 /*********************************************************************
2974 * gets (MSVCRT.@)
2975 */
2976 char * CDECL MSVCRT_gets(char *buf)
2977 {
2978 int cc;
2979 char * buf_start = buf;
2980
2981 for(cc = MSVCRT_fgetc(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
2982 cc = MSVCRT_fgetc(MSVCRT_stdin))
2983 if(cc != '\r') *buf++ = (char)cc;
2984
2985 *buf = '\0';
2986
2987 TRACE("got '%s'\n", buf_start);
2988 return buf_start;
2989 }
2990
2991 /*********************************************************************
2992 * _getws (MSVCRT.@)
2993 */
2994 MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
2995 {
2996 MSVCRT_wint_t cc;
2997 MSVCRT_wchar_t* ws = buf;
2998
2999 for (cc = MSVCRT_fgetwc(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
3000 cc = MSVCRT_fgetwc(MSVCRT_stdin))
3001 {
3002 if (cc != '\r')
3003 *buf++ = (MSVCRT_wchar_t)cc;
3004 }
3005 *buf = '\0';
3006
3007 TRACE("got %s\n", debugstr_w(ws));
3008 return ws;
3009 }
3010
3011 /*********************************************************************
3012 * putc (MSVCRT.@)
3013 */
3014 int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
3015 {
3016 return MSVCRT_fputc(c, file);
3017 }
3018
3019 /*********************************************************************
3020 * putchar (MSVCRT.@)
3021 */
3022 int CDECL MSVCRT_putchar(int c)
3023 {
3024 return MSVCRT_fputc(c, MSVCRT_stdout);
3025 }
3026
3027 /*********************************************************************
3028 * puts (MSVCRT.@)
3029 */
3030 int CDECL MSVCRT_puts(const char *s)
3031 {
3032 MSVCRT_size_t len = strlen(s);
3033 if (MSVCRT_fwrite(s,sizeof(*s),len,MSVCRT_stdout) != len) return MSVCRT_EOF;
3034 return MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3035 }
3036
3037 /*********************************************************************
3038 * _putws (MSVCRT.@)
3039 */
3040 int CDECL _putws(const MSVCRT_wchar_t *s)
3041 {
3042 static const MSVCRT_wchar_t nl = '\n';
3043 MSVCRT_size_t len = strlenW(s);
3044 if (MSVCRT_fwrite(s,sizeof(*s),len,MSVCRT_stdout) != len) return MSVCRT_EOF;
3045 return MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3046 }
3047
3048 /*********************************************************************
3049 * remove (MSVCRT.@)
3050 */
3051 int CDECL MSVCRT_remove(const char *path)
3052 {
3053 TRACE("(%s)\n",path);
3054 if (DeleteFileA(path))
3055 return 0;
3056 TRACE(":failed (%d)\n",GetLastError());
3057 msvcrt_set_errno(GetLastError());
3058 return -1;
3059 }
3060
3061 /*********************************************************************
3062 * _wremove (MSVCRT.@)
3063 */
3064 int CDECL _wremove(const MSVCRT_wchar_t *path)
3065 {
3066 TRACE("(%s)\n",debugstr_w(path));
3067 if (DeleteFileW(path))
3068 return 0;
3069 TRACE(":failed (%d)\n",GetLastError());
3070 msvcrt_set_errno(GetLastError());
3071 return -1;
3072 }
3073
3074 /*********************************************************************
3075 * rename (MSVCRT.@)
3076 */
3077 int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
3078 {
3079 TRACE(":from %s to %s\n",oldpath,newpath);
3080 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3081 return 0;
3082 TRACE(":failed (%d)\n",GetLastError());
3083 msvcrt_set_errno(GetLastError());
3084 return -1;
3085 }
3086
3087 /*********************************************************************
3088 * _wrename (MSVCRT.@)
3089 */
3090 int CDECL _wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
3091 {
3092 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
3093 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3094 return 0;
3095 TRACE(":failed (%d)\n",GetLastError());
3096 msvcrt_set_errno(GetLastError());
3097 return -1;
3098 }
3099
3100 /*********************************************************************
3101 * setvbuf (MSVCRT.@)
3102 */
3103 int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
3104 {
3105 /* TODO: Check if file busy */
3106 if(file->_bufsiz) {
3107 MSVCRT_free(file->_base);
3108 file->_bufsiz = 0;
3109 file->_cnt = 0;
3110 }
3111 if(mode == MSVCRT__IOFBF) {
3112 file->_flag &= ~MSVCRT__IONBF;
3113 file->_base = file->_ptr = buf;
3114 if(buf) {
3115 file->_bufsiz = size;
3116 }
3117 } else {
3118 file->_flag |= MSVCRT__IONBF;
3119 }
3120 return 0;
3121 }
3122
3123 /*********************************************************************
3124 * setbuf (MSVCRT.@)
3125 */
3126 void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
3127 {
3128 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
3129 }
3130
3131 /*********************************************************************
3132 * tmpnam (MSVCRT.@)
3133 */
3134 char * CDECL MSVCRT_tmpnam(char *s)
3135 {
3136 static int unique;
3137 char tmpstr[16];
3138 char *p;
3139 int count;
3140 if (s == 0)
3141 s = MSVCRT_tmpname;
3142 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
3143 p = s + sprintf(s, "\\s%s.", tmpstr);
3144 for (count = 0; count < MSVCRT_TMP_MAX; count++)
3145 {
3146 msvcrt_int_to_base32(unique++, tmpstr);
3147 strcpy(p, tmpstr);
3148 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
3149 GetLastError() == ERROR_FILE_NOT_FOUND)
3150 break;
3151 }
3152 return s;
3153 }
3154
3155 /*********************************************************************
3156 * tmpfile (MSVCRT.@)
3157 */
3158 MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
3159 {
3160 char *filename = MSVCRT_tmpnam(NULL);
3161 int fd;
3162 MSVCRT_FILE* file = NULL;
3163
3164 LOCK_FILES();
3165 fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY);
3166 if (fd != -1 && (file = msvcrt_alloc_fp()))
3167 {
3168 if (msvcrt_init_fp(file, fd, MSVCRT__O_RDWR) == -1)
3169 {
3170 file->_flag = 0;
3171 file = NULL;
3172 }
3173 else file->_tmpfname = _strdup(filename);
3174 }
3175 UNLOCK_FILES();
3176 return file;
3177 }
3178
3179 /*********************************************************************
3180 * vfprintf (MSVCRT.@)
3181 */
3182 int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
3183 {
3184 char buf[2048], *mem = buf;
3185 int written, resize = sizeof(buf), retval;
3186 /* There are two conventions for vsnprintf failing:
3187 * Return -1 if we truncated, or
3188 * Return the number of bytes that would have been written
3189 * The code below handles both cases
3190 */
3191 while ((written = MSVCRT_vsnprintf(mem, resize, format, valist)) == -1 ||
3192 written > resize)
3193 {
3194 resize = (written == -1 ? resize * 2 : written + 1);
3195 if (mem != buf)
3196 MSVCRT_free (mem);
3197 if (!(mem = MSVCRT_malloc(resize)))
3198 return MSVCRT_EOF;
3199 }
3200 retval = MSVCRT_fwrite(mem, sizeof(*mem), written, file);
3201 if (mem != buf)
3202 MSVCRT_free (mem);
3203 return retval;
3204 }
3205
3206 /*********************************************************************
3207 * vfwprintf (MSVCRT.@)
3208 * FIXME:
3209 * Is final char included in written (then resize is too big) or not
3210 * (then we must test for equality too)?
3211 */
3212 int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
3213 {
3214 MSVCRT_wchar_t buf[2048], *mem = buf;
3215 int written, resize = sizeof(buf) / sizeof(MSVCRT_wchar_t), retval;
3216 /* See vfprintf comments */
3217 while ((written = MSVCRT_vsnwprintf(mem, resize, format, valist)) == -1 ||
3218 written > resize)
3219 {
3220 resize = (written == -1 ? resize * 2 : written + sizeof(MSVCRT_wchar_t));
3221 if (mem != buf)
3222 MSVCRT_free (mem);
3223 if (!(mem = MSVCRT_malloc(resize*sizeof(*mem))))
3224 return MSVCRT_EOF;
3225 }
3226 retval = MSVCRT_fwrite(mem, sizeof(*mem), written, file);
3227 if (mem != buf)
3228 MSVCRT_free (mem);
3229 return retval;
3230 }
3231
3232 /*********************************************************************
3233 * vprintf (MSVCRT.@)
3234 */
3235 int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
3236 {
3237 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
3238 }
3239
3240 /*********************************************************************
3241 * vwprintf (MSVCRT.@)
3242 */
3243 int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
3244 {
3245 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
3246 }
3247
3248 /*********************************************************************
3249 * fprintf (MSVCRT.@)
3250 */
3251 int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
3252 {
3253 __ms_va_list valist;
3254 int res;
3255 __ms_va_start(valist, format);
3256 res = MSVCRT_vfprintf(file, format, valist);
3257 __ms_va_end(valist);
3258 return res;
3259 }
3260
3261 /*********************************************************************
3262 * fwprintf (MSVCRT.@)
3263 */
3264 int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
3265 {
3266 __ms_va_list valist;
3267 int res;
3268 __ms_va_start(valist, format);
3269 res = MSVCRT_vfwprintf(file, format, valist);
3270 __ms_va_end(valist);
3271 return res;
3272 }
3273
3274 /*********************************************************************
3275 * printf (MSVCRT.@)
3276 */
3277 int CDECL MSVCRT_printf(const char *format, ...)
3278 {
3279 __ms_va_list valist;
3280 int res;
3281 __ms_va_start(valist, format);
3282 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
3283 __ms_va_end(valist);
3284 return res;
3285 }
3286
3287 /*********************************************************************
3288 * ungetc (MSVCRT.@)
3289 */
3290 int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
3291 {
3292 if (c == MSVCRT_EOF)
3293 return MSVCRT_EOF;
3294 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
3295 msvcrt_alloc_buffer(file);
3296 file->_ptr++;
3297 }
3298 if(file->_ptr>file->_base) {
3299 file->_ptr--;
3300 *file->_ptr=c;
3301 file->_cnt++;
3302 MSVCRT_clearerr(file);
3303 return c;
3304 }
3305 return MSVCRT_EOF;
3306 }
3307
3308 /*********************************************************************
3309 * ungetwc (MSVCRT.@)
3310 */
3311 MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
3312 {
3313 MSVCRT_wchar_t mwc = wc;
3314 char * pp = (char *)&mwc;
3315 int i;
3316 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
3317 if(pp[i] != MSVCRT_ungetc(pp[i],file))
3318 return MSVCRT_WEOF;
3319 }
3320 return mwc;
3321 }
3322
3323 /*********************************************************************
3324 * wprintf (MSVCRT.@)
3325 */
3326 int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
3327 {
3328 __ms_va_list valist;
3329 int res;
3330 __ms_va_start(valist, format);
3331 res = MSVCRT_vwprintf(format, valist);
3332 __ms_va_end(valist);
3333 return res;
3334 }
3335
3336 /*********************************************************************
3337 * _getmaxstdio (MSVCRT.@)
3338 */
3339 int CDECL _getmaxstdio(void)
3340 {
3341 FIXME("stub, always returns 512\n");
3342 return 512;
3343 }
3344
3345 /*********************************************************************
3346 * _setmaxstdio_ (MSVCRT.@)
3347 */
3348 int CDECL _setmaxstdio(int newmax)
3349 {
3350 int res;
3351 if( newmax > 2048)
3352 res = -1;
3353 else
3354 res = newmax;
3355 FIXME("stub: setting new maximum for number of simultaneously open files not implemented,returning %d\n",res);
3356 return res;
3357 }
3358
3359 /*********************************************************************
3360 * __pioinfo (MSVCRT.@)
3361 * FIXME: see MSVCRT_MAX_FILES define.
3362 */
3363 ioinfo * MSVCRT___pioinfo[] = { /* array of pointers to ioinfo arrays [64] */
3364 &MSVCRT_fdesc[0 * 64], &MSVCRT_fdesc[1 * 64], &MSVCRT_fdesc[2 * 64],
3365 &MSVCRT_fdesc[3 * 64], &MSVCRT_fdesc[4 * 64], &MSVCRT_fdesc[5 * 64],
3366 &MSVCRT_fdesc[6 * 64], &MSVCRT_fdesc[7 * 64], &MSVCRT_fdesc[8 * 64],
3367 &MSVCRT_fdesc[9 * 64], &MSVCRT_fdesc[10 * 64], &MSVCRT_fdesc[11 * 64],
3368 &MSVCRT_fdesc[12 * 64], &MSVCRT_fdesc[13 * 64], &MSVCRT_fdesc[14 * 64],
3369 &MSVCRT_fdesc[15 * 64], &MSVCRT_fdesc[16 * 64], &MSVCRT_fdesc[17 * 64],
3370 &MSVCRT_fdesc[18 * 64], &MSVCRT_fdesc[19 * 64], &MSVCRT_fdesc[20 * 64],
3371 &MSVCRT_fdesc[21 * 64], &MSVCRT_fdesc[22 * 64], &MSVCRT_fdesc[23 * 64],
3372 &MSVCRT_fdesc[24 * 64], &MSVCRT_fdesc[25 * 64], &MSVCRT_fdesc[26 * 64],
3373 &MSVCRT_fdesc[27 * 64], &MSVCRT_fdesc[28 * 64], &MSVCRT_fdesc[29 * 64],
3374 &MSVCRT_fdesc[30 * 64], &MSVCRT_fdesc[31 * 64]
3375 } ;
3376
3377 /*********************************************************************
3378 * __badioinfo (MSVCRT.@)
3379 */
3380 ioinfo MSVCRT___badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT };
Maarten's multimedia branch