?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
msvcrt: Give a name to the critical sections.
[wine/multimedia.git] / dlls / msvcrt / file.c
blobb6af98fb33541dd52c95391c4653a0e399d4d50a
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 #include "mtdll.h"
45
46 #include "wine/unicode.h"
47
48 #include "wine/debug.h"
49
50 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
51
52 /* for stat mode, permissions apply to all,owner and group */
53 #define ALL_S_IREAD (MSVCRT__S_IREAD | (MSVCRT__S_IREAD >> 3) | (MSVCRT__S_IREAD >> 6))
54 #define ALL_S_IWRITE (MSVCRT__S_IWRITE | (MSVCRT__S_IWRITE >> 3) | (MSVCRT__S_IWRITE >> 6))
55 #define ALL_S_IEXEC (MSVCRT__S_IEXEC | (MSVCRT__S_IEXEC >> 3) | (MSVCRT__S_IEXEC >> 6))
56
57 /* _access() bit flags FIXME: incomplete */
58 #define MSVCRT_W_OK 0x02
59 #define MSVCRT_R_OK 0x04
60
61 /* values for wxflag in file descriptor */
62 #define WX_OPEN 0x01
63 #define WX_ATEOF 0x02
64 #define WX_READEOF 0x04 /* like ATEOF, but for underlying file rather than buffer */
65 #define WX_READCR 0x08 /* underlying file is at \r */
66 #define WX_DONTINHERIT 0x10
67 #define WX_APPEND 0x20
68 #define WX_TEXT 0x80
69
70 /* FIXME: this should be allocated dynamically */
71 #define MSVCRT_MAX_FILES 2048
72 #define MSVCRT_FD_BLOCK_SIZE 32
73
74 /* ioinfo structure size is different in msvcrXX.dll's */
75 typedef struct {
76 HANDLE handle;
77 unsigned char wxflag;
78 char unk1;
79 BOOL crit_init;
80 CRITICAL_SECTION crit;
81 } ioinfo;
82
83 /*********************************************************************
84 * __pioinfo (MSVCRT.@)
85 * array of pointers to ioinfo arrays [32]
86 */
87 ioinfo * MSVCRT___pioinfo[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { 0 };
88
89 /*********************************************************************
90 * __badioinfo (MSVCRT.@)
91 */
92 ioinfo MSVCRT___badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT };
93
94 static int MSVCRT_fdstart = 3; /* first unallocated fd */
95 static int MSVCRT_fdend = 3; /* highest allocated fd */
96
97 typedef struct {
98 MSVCRT_FILE file;
99 CRITICAL_SECTION crit;
100 } file_crit;
101
102 MSVCRT_FILE MSVCRT__iob[_IOB_ENTRIES] = { { 0 } };
103 static file_crit* MSVCRT_fstream[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE];
104 static int MSVCRT_max_streams = 512, MSVCRT_stream_idx;
105
106 /* INTERNAL: process umask */
107 static int MSVCRT_umask = 0;
108
109 /* INTERNAL: static data for tmpnam and _wtmpname functions */
110 static int tmpnam_unique;
111
112 static const unsigned int EXE = 'e' << 16 | 'x' << 8 | 'e';
113 static const unsigned int BAT = 'b' << 16 | 'a' << 8 | 't';
114 static const unsigned int CMD = 'c' << 16 | 'm' << 8 | 'd';
115 static const unsigned int COM = 'c' << 16 | 'o' << 8 | 'm';
116
117 #define TOUL(x) (ULONGLONG)(x)
118 static const ULONGLONG WCEXE = TOUL('e') << 32 | TOUL('x') << 16 | TOUL('e');
119 static const ULONGLONG WCBAT = TOUL('b') << 32 | TOUL('a') << 16 | TOUL('t');
120 static const ULONGLONG WCCMD = TOUL('c') << 32 | TOUL('m') << 16 | TOUL('d');
121 static const ULONGLONG WCCOM = TOUL('c') << 32 | TOUL('o') << 16 | TOUL('m');
122
123 /* This critical section protects the tables MSVCRT___pioinfo and MSVCRT_fstreams,
124 * and their related indexes, MSVCRT_fdstart, MSVCRT_fdend,
125 * and MSVCRT_stream_idx, from race conditions.
126 * It doesn't protect against race conditions manipulating the underlying files
127 * or flags; doing so would probably be better accomplished with per-file
128 * protection, rather than locking the whole table for every change.
129 */
130 static CRITICAL_SECTION MSVCRT_file_cs;
131 #define LOCK_FILES() do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)
132 #define UNLOCK_FILES() do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)
133
134 static void msvcrt_stat64_to_stat(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat *buf)
135 {
136 buf->st_dev = buf64->st_dev;
137 buf->st_ino = buf64->st_ino;
138 buf->st_mode = buf64->st_mode;
139 buf->st_nlink = buf64->st_nlink;
140 buf->st_uid = buf64->st_uid;
141 buf->st_gid = buf64->st_gid;
142 buf->st_rdev = buf64->st_rdev;
143 buf->st_size = buf64->st_size;
144 buf->st_atime = buf64->st_atime;
145 buf->st_mtime = buf64->st_mtime;
146 buf->st_ctime = buf64->st_ctime;
147 }
148
149 static void msvcrt_stat64_to_stati64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stati64 *buf)
150 {
151 buf->st_dev = buf64->st_dev;
152 buf->st_ino = buf64->st_ino;
153 buf->st_mode = buf64->st_mode;
154 buf->st_nlink = buf64->st_nlink;
155 buf->st_uid = buf64->st_uid;
156 buf->st_gid = buf64->st_gid;
157 buf->st_rdev = buf64->st_rdev;
158 buf->st_size = buf64->st_size;
159 buf->st_atime = buf64->st_atime;
160 buf->st_mtime = buf64->st_mtime;
161 buf->st_ctime = buf64->st_ctime;
162 }
163
164 static void time_to_filetime( MSVCRT___time64_t time, FILETIME *ft )
165 {
166 /* 1601 to 1970 is 369 years plus 89 leap days */
167 static const __int64 secs_1601_to_1970 = ((369 * 365 + 89) * (__int64)86400);
168
169 __int64 ticks = (time + secs_1601_to_1970) * 10000000;
170 ft->dwHighDateTime = ticks >> 32;
171 ft->dwLowDateTime = ticks;
172 }
173
174 static inline ioinfo* msvcrt_get_ioinfo(int fd)
175 {
176 ioinfo *ret = NULL;
177 if(fd < MSVCRT_MAX_FILES)
178 ret = MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE];
179 if(!ret)
180 return &MSVCRT___badioinfo;
181
182 return ret + (fd%MSVCRT_FD_BLOCK_SIZE);
183 }
184
185 static inline MSVCRT_FILE* msvcrt_get_file(int i)
186 {
187 file_crit *ret;
188
189 if(i >= MSVCRT_max_streams)
190 return NULL;
191
192 if(i < _IOB_ENTRIES)
193 return &MSVCRT__iob[i];
194
195 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE];
196 if(!ret) {
197 MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(file_crit));
198 if(!MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE]) {
199 ERR("out of memory\n");
200 *MSVCRT__errno() = MSVCRT_ENOMEM;
201 return NULL;
202 }
203
204 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] + (i%MSVCRT_FD_BLOCK_SIZE);
205 } else
206 ret += i%MSVCRT_FD_BLOCK_SIZE;
207
208 return &ret->file;
209 }
210
211 static inline BOOL msvcrt_is_valid_fd(int fd)
212 {
213 return fd >= 0 && fd < MSVCRT_fdend && (msvcrt_get_ioinfo(fd)->wxflag & WX_OPEN);
214 }
215
216 /* INTERNAL: Get the HANDLE for a fd
217 * This doesn't lock the table, because a failure will result in
218 * INVALID_HANDLE_VALUE being returned, which should be handled correctly. If
219 * it returns a valid handle which is about to be closed, a subsequent call
220 * will fail, most likely in a sane way.
221 */
222 static HANDLE msvcrt_fdtoh(int fd)
223 {
224 if (!msvcrt_is_valid_fd(fd))
225 {
226 WARN(":fd (%d) - no handle!\n",fd);
227 *MSVCRT___doserrno() = 0;
228 *MSVCRT__errno() = MSVCRT_EBADF;
229 return INVALID_HANDLE_VALUE;
230 }
231 if (msvcrt_get_ioinfo(fd)->handle == INVALID_HANDLE_VALUE)
232 WARN("returning INVALID_HANDLE_VALUE for %d\n", fd);
233 return msvcrt_get_ioinfo(fd)->handle;
234 }
235
236 /* INTERNAL: free a file entry fd */
237 static void msvcrt_free_fd(int fd)
238 {
239 HANDLE old_handle;
240 ioinfo *fdinfo;
241
242 LOCK_FILES();
243 fdinfo = msvcrt_get_ioinfo(fd);
244 old_handle = fdinfo->handle;
245 if(fdinfo != &MSVCRT___badioinfo)
246 {
247 fdinfo->handle = INVALID_HANDLE_VALUE;
248 fdinfo->wxflag = 0;
249 }
250 TRACE(":fd (%d) freed\n",fd);
251 if (fd < 3) /* don't use 0,1,2 for user files */
252 {
253 switch (fd)
254 {
255 case 0:
256 if (GetStdHandle(STD_INPUT_HANDLE) == old_handle) SetStdHandle(STD_INPUT_HANDLE, 0);
257 break;
258 case 1:
259 if (GetStdHandle(STD_OUTPUT_HANDLE) == old_handle) SetStdHandle(STD_OUTPUT_HANDLE, 0);
260 break;
261 case 2:
262 if (GetStdHandle(STD_ERROR_HANDLE) == old_handle) SetStdHandle(STD_ERROR_HANDLE, 0);
263 break;
264 }
265 }
266 else
267 {
268 if (fd == MSVCRT_fdend - 1)
269 MSVCRT_fdend--;
270 if (fd < MSVCRT_fdstart)
271 MSVCRT_fdstart = fd;
272 }
273 UNLOCK_FILES();
274 }
275
276 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */
277 /* caller must hold the files lock */
278 static int msvcrt_alloc_fd_from(HANDLE hand, int flag, int fd)
279 {
280 ioinfo *fdinfo;
281
282 if (fd >= MSVCRT_MAX_FILES)
283 {
284 WARN(":files exhausted!\n");
285 *MSVCRT__errno() = MSVCRT_ENFILE;
286 return -1;
287 }
288
289 fdinfo = msvcrt_get_ioinfo(fd);
290 if(fdinfo == &MSVCRT___badioinfo) {
291 int i;
292
293 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(ioinfo));
294 if(!MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE]) {
295 WARN(":out of memory!\n");
296 *MSVCRT__errno() = MSVCRT_ENOMEM;
297 return -1;
298 }
299
300 for(i=0; i<MSVCRT_FD_BLOCK_SIZE; i++)
301 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE][i].handle = INVALID_HANDLE_VALUE;
302
303 fdinfo = msvcrt_get_ioinfo(fd);
304 }
305
306 fdinfo->handle = hand;
307 fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT));
308
309 /* locate next free slot */
310 if (fd == MSVCRT_fdstart && fd == MSVCRT_fdend)
311 MSVCRT_fdstart = MSVCRT_fdend + 1;
312 else
313 while (MSVCRT_fdstart < MSVCRT_fdend &&
314 msvcrt_get_ioinfo(MSVCRT_fdstart)->handle != INVALID_HANDLE_VALUE)
315 MSVCRT_fdstart++;
316 /* update last fd in use */
317 if (fd >= MSVCRT_fdend)
318 MSVCRT_fdend = fd + 1;
319 TRACE("fdstart is %d, fdend is %d\n", MSVCRT_fdstart, MSVCRT_fdend);
320
321 switch (fd)
322 {
323 case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
324 case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
325 case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
326 }
327
328 return fd;
329 }
330
331 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
332 static int msvcrt_alloc_fd(HANDLE hand, int flag)
333 {
334 int ret;
335
336 LOCK_FILES();
337 TRACE(":handle (%p) allocating fd (%d)\n",hand,MSVCRT_fdstart);
338 ret = msvcrt_alloc_fd_from(hand, flag, MSVCRT_fdstart);
339 UNLOCK_FILES();
340 return ret;
341 }
342
343 /* INTERNAL: Allocate a FILE* for an fd slot */
344 /* caller must hold the files lock */
345 static MSVCRT_FILE* msvcrt_alloc_fp(void)
346 {
347 unsigned int i;
348 MSVCRT_FILE *file;
349
350 for (i = 3; i < MSVCRT_max_streams; i++)
351 {
352 file = msvcrt_get_file(i);
353 if (!file)
354 return NULL;
355
356 if (file->_flag == 0)
357 {
358 if (i == MSVCRT_stream_idx) MSVCRT_stream_idx++;
359 return file;
360 }
361 }
362
363 return NULL;
364 }
365
366 /* INTERNAL: initialize a FILE* from an open fd */
367 static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags)
368 {
369 TRACE(":fd (%d) allocating FILE*\n",fd);
370 if (!msvcrt_is_valid_fd(fd))
371 {
372 WARN(":invalid fd %d\n",fd);
373 *MSVCRT___doserrno() = 0;
374 *MSVCRT__errno() = MSVCRT_EBADF;
375 return -1;
376 }
377 memset(file, 0, sizeof(*file));
378 file->_file = fd;
379 file->_flag = stream_flags;
380
381 if(file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
382 {
383 InitializeCriticalSection(&((file_crit*)file)->crit);
384 ((file_crit*)file)->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": file_crit.crit");
385 }
386
387 TRACE(":got FILE* (%p)\n",file);
388 return 0;
389 }
390
391 /* INTERNAL: Create an inheritance data block (for spawned process)
392 * The inheritance block is made of:
393 * 00 int nb of file descriptor (NBFD)
394 * 04 char file flags (wxflag): repeated for each fd
395 * 4+NBFD HANDLE file handle: repeated for each fd
396 */
397 unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block)
398 {
399 int fd;
400 char* wxflag_ptr;
401 HANDLE* handle_ptr;
402 ioinfo* fdinfo;
403
404 *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
405 *block = MSVCRT_calloc(*size, 1);
406 if (!*block)
407 {
408 *size = 0;
409 return FALSE;
410 }
411 wxflag_ptr = (char*)*block + sizeof(unsigned);
412 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
413
414 *(unsigned*)*block = MSVCRT_fdend;
415 for (fd = 0; fd < MSVCRT_fdend; fd++)
416 {
417 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
418 fdinfo = msvcrt_get_ioinfo(fd);
419 if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
420 {
421 *wxflag_ptr = fdinfo->wxflag;
422 *handle_ptr = fdinfo->handle;
423 }
424 else
425 {
426 *wxflag_ptr = 0;
427 *handle_ptr = INVALID_HANDLE_VALUE;
428 }
429 wxflag_ptr++; handle_ptr++;
430 }
431 return TRUE;
432 }
433
434 /* INTERNAL: Set up all file descriptors,
435 * as well as default streams (stdin, stderr and stdout)
436 */
437 void msvcrt_init_io(void)
438 {
439 STARTUPINFOA si;
440 int i;
441 ioinfo *fdinfo;
442
443 InitializeCriticalSection(&MSVCRT_file_cs);
444 MSVCRT_file_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs");
445 GetStartupInfoA(&si);
446 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
447 {
448 BYTE* wxflag_ptr;
449 HANDLE* handle_ptr;
450 unsigned int count;
451
452 count = *(unsigned*)si.lpReserved2;
453 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
454 handle_ptr = (HANDLE*)(wxflag_ptr + count);
455
456 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
457 count = min(count, MSVCRT_MAX_FILES);
458 for (i = 0; i < count; i++)
459 {
460 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
461 msvcrt_alloc_fd_from(*handle_ptr, *wxflag_ptr, i);
462
463 wxflag_ptr++; handle_ptr++;
464 }
465 MSVCRT_fdend = max( 3, count );
466 for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
467 if (msvcrt_get_ioinfo(MSVCRT_fdstart)->handle == INVALID_HANDLE_VALUE) break;
468 }
469
470 if(!MSVCRT___pioinfo[0])
471 msvcrt_alloc_fd_from(INVALID_HANDLE_VALUE, 0, 3);
472
473 fdinfo = msvcrt_get_ioinfo(0);
474 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
475 {
476 HANDLE std = GetStdHandle(STD_INPUT_HANDLE);
477 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
478 GetCurrentProcess(), &fdinfo->handle,
479 0, TRUE, DUPLICATE_SAME_ACCESS))
480 fdinfo->wxflag = WX_OPEN | WX_TEXT;
481 }
482
483 fdinfo = msvcrt_get_ioinfo(1);
484 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
485 {
486 HANDLE std = GetStdHandle(STD_OUTPUT_HANDLE);
487 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
488 GetCurrentProcess(), &fdinfo->handle,
489 0, TRUE, DUPLICATE_SAME_ACCESS))
490 fdinfo->wxflag = WX_OPEN | WX_TEXT;
491 }
492
493 fdinfo = msvcrt_get_ioinfo(2);
494 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
495 {
496 HANDLE std = GetStdHandle(STD_ERROR_HANDLE);
497 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
498 GetCurrentProcess(), &fdinfo->handle,
499 0, TRUE, DUPLICATE_SAME_ACCESS))
500 fdinfo->wxflag = WX_OPEN | WX_TEXT;
501 }
502
503 TRACE(":handles (%p)(%p)(%p)\n", msvcrt_get_ioinfo(0)->handle,
504 msvcrt_get_ioinfo(1)->handle, msvcrt_get_ioinfo(2)->handle);
505
506 memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
507 for (i = 0; i < 3; i++)
508 {
509 /* FILE structs for stdin/out/err are static and never deleted */
510 MSVCRT__iob[i]._file = i;
511 MSVCRT__iob[i]._tmpfname = NULL;
512 MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
513 }
514 MSVCRT_stream_idx = 3;
515 }
516
517 /* INTERNAL: Flush stdio file buffer */
518 static int msvcrt_flush_buffer(MSVCRT_FILE* file)
519 {
520 if(file->_bufsiz) {
521 int cnt=file->_ptr-file->_base;
522 if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) {
523 file->_flag |= MSVCRT__IOERR;
524 return MSVCRT_EOF;
525 }
526 file->_ptr=file->_base;
527 file->_cnt=file->_bufsiz;
528 }
529 return 0;
530 }
531
532 /* INTERNAL: Allocate stdio file buffer */
533 static void msvcrt_alloc_buffer(MSVCRT_FILE* file)
534 {
535 file->_base = MSVCRT_calloc(MSVCRT_BUFSIZ,1);
536 if(file->_base) {
537 file->_bufsiz = MSVCRT_BUFSIZ;
538 file->_flag |= MSVCRT__IOMYBUF;
539 } else {
540 file->_base = (char*)(&file->_charbuf);
541 /* put here 2 ??? */
542 file->_bufsiz = sizeof(file->_charbuf);
543 }
544 file->_ptr = file->_base;
545 file->_cnt = 0;
546 }
547
548 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
549 static int msvcrt_int_to_base32(int num, char *str)
550 {
551 char *p;
552 int n = num;
553 int digits = 0;
554
555 while (n != 0)
556 {
557 n >>= 5;
558 digits++;
559 }
560 p = str + digits;
561 *p = 0;
562 while (--p >= str)
563 {
564 *p = (num & 31) + '0';
565 if (*p > '9')
566 *p += ('a' - '0' - 10);
567 num >>= 5;
568 }
569
570 return digits;
571 }
572
573 /* INTERNAL: wide character version of msvcrt_int_to_base32 */
574 static int msvcrt_int_to_base32_w(int num, MSVCRT_wchar_t *str)
575 {
576 MSVCRT_wchar_t *p;
577 int n = num;
578 int digits = 0;
579
580 while (n != 0)
581 {
582 n >>= 5;
583 digits++;
584 }
585 p = str + digits;
586 *p = 0;
587 while (--p >= str)
588 {
589 *p = (num & 31) + '0';
590 if (*p > '9')
591 *p += ('a' - '0' - 10);
592 num >>= 5;
593 }
594
595 return digits;
596 }
597
598 /*********************************************************************
599 * __iob_func(MSVCRT.@)
600 */
601 MSVCRT_FILE * CDECL MSVCRT___iob_func(void)
602 {
603 return &MSVCRT__iob[0];
604 }
605
606 /*********************************************************************
607 * _access (MSVCRT.@)
608 */
609 int CDECL MSVCRT__access(const char *filename, int mode)
610 {
611 DWORD attr = GetFileAttributesA(filename);
612
613 TRACE("(%s,%d) %d\n",filename,mode,attr);
614
615 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
616 {
617 msvcrt_set_errno(GetLastError());
618 return -1;
619 }
620 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
621 {
622 msvcrt_set_errno(ERROR_ACCESS_DENIED);
623 return -1;
624 }
625 return 0;
626 }
627
628 /*********************************************************************
629 * _access_s (MSVCRT.@)
630 */
631 int CDECL _access_s(const char *filename, int mode)
632 {
633 if (!MSVCRT_CHECK_PMT(filename != NULL) ||
634 !MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0))
635 {
636 *MSVCRT__errno() = MSVCRT_EINVAL;
637 return -1;
638 }
639
640 return MSVCRT__access(filename, mode);
641 }
642
643 /*********************************************************************
644 * _waccess (MSVCRT.@)
645 */
646 int CDECL MSVCRT__waccess(const MSVCRT_wchar_t *filename, int mode)
647 {
648 DWORD attr = GetFileAttributesW(filename);
649
650 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
651
652 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
653 {
654 msvcrt_set_errno(GetLastError());
655 return -1;
656 }
657 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
658 {
659 msvcrt_set_errno(ERROR_ACCESS_DENIED);
660 return -1;
661 }
662 return 0;
663 }
664
665 /*********************************************************************
666 * _waccess_s (MSVCRT.@)
667 */
668 int CDECL _waccess_s(const MSVCRT_wchar_t *filename, int mode)
669 {
670 if (!MSVCRT_CHECK_PMT(filename != NULL) ||
671 !MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0))
672 {
673 *MSVCRT__errno() = MSVCRT_EINVAL;
674 return -1;
675 }
676
677 return MSVCRT__waccess(filename, mode);
678 }
679
680 /*********************************************************************
681 * _chmod (MSVCRT.@)
682 */
683 int CDECL MSVCRT__chmod(const char *path, int flags)
684 {
685 DWORD oldFlags = GetFileAttributesA(path);
686
687 if (oldFlags != INVALID_FILE_ATTRIBUTES)
688 {
689 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
690 oldFlags | FILE_ATTRIBUTE_READONLY;
691
692 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
693 return 0;
694 }
695 msvcrt_set_errno(GetLastError());
696 return -1;
697 }
698
699 /*********************************************************************
700 * _wchmod (MSVCRT.@)
701 */
702 int CDECL MSVCRT__wchmod(const MSVCRT_wchar_t *path, int flags)
703 {
704 DWORD oldFlags = GetFileAttributesW(path);
705
706 if (oldFlags != INVALID_FILE_ATTRIBUTES)
707 {
708 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
709 oldFlags | FILE_ATTRIBUTE_READONLY;
710
711 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
712 return 0;
713 }
714 msvcrt_set_errno(GetLastError());
715 return -1;
716 }
717
718 /*********************************************************************
719 * _unlink (MSVCRT.@)
720 */
721 int CDECL MSVCRT__unlink(const char *path)
722 {
723 TRACE("%s\n",debugstr_a(path));
724 if(DeleteFileA(path))
725 return 0;
726 TRACE("failed (%d)\n",GetLastError());
727 msvcrt_set_errno(GetLastError());
728 return -1;
729 }
730
731 /*********************************************************************
732 * _wunlink (MSVCRT.@)
733 */
734 int CDECL MSVCRT__wunlink(const MSVCRT_wchar_t *path)
735 {
736 TRACE("(%s)\n",debugstr_w(path));
737 if(DeleteFileW(path))
738 return 0;
739 TRACE("failed (%d)\n",GetLastError());
740 msvcrt_set_errno(GetLastError());
741 return -1;
742 }
743
744 /* _flushall calls MSVCRT_fflush which calls _flushall */
745 int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
746
747 /*********************************************************************
748 * _flushall (MSVCRT.@)
749 */
750 int CDECL MSVCRT__flushall(void)
751 {
752 int i, num_flushed = 0;
753 MSVCRT_FILE *file;
754
755 LOCK_FILES();
756 for (i = 3; i < MSVCRT_stream_idx; i++) {
757 file = msvcrt_get_file(i);
758
759 if (file->_flag)
760 {
761 if(file->_flag & MSVCRT__IOWRT) {
762 MSVCRT_fflush(file);
763 num_flushed++;
764 }
765 }
766 }
767 UNLOCK_FILES();
768
769 TRACE(":flushed (%d) handles\n",num_flushed);
770 return num_flushed;
771 }
772
773 /*********************************************************************
774 * fflush (MSVCRT.@)
775 */
776 int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
777 {
778 if(!file) {
779 MSVCRT__flushall();
780 } else if(file->_flag & MSVCRT__IOWRT) {
781 int res;
782
783 MSVCRT__lock_file(file);
784 res = msvcrt_flush_buffer(file);
785 MSVCRT__unlock_file(file);
786
787 return res;
788 }
789 return 0;
790 }
791
792 /*********************************************************************
793 * _close (MSVCRT.@)
794 */
795 int CDECL MSVCRT__close(int fd)
796 {
797 HANDLE hand;
798 int ret;
799
800 LOCK_FILES();
801 hand = msvcrt_fdtoh(fd);
802 TRACE(":fd (%d) handle (%p)\n",fd,hand);
803 if (!msvcrt_is_valid_fd(fd)) {
804 ret = -1;
805 } else {
806 msvcrt_free_fd(fd);
807 ret = CloseHandle(hand) ? 0 : -1;
808 if (ret) {
809 WARN(":failed-last error (%d)\n",GetLastError());
810 msvcrt_set_errno(GetLastError());
811 }
812 }
813 UNLOCK_FILES();
814 TRACE(":ok\n");
815 return ret;
816 }
817
818 /*********************************************************************
819 * _commit (MSVCRT.@)
820 */
821 int CDECL MSVCRT__commit(int fd)
822 {
823 HANDLE hand = msvcrt_fdtoh(fd);
824
825 TRACE(":fd (%d) handle (%p)\n",fd,hand);
826 if (hand == INVALID_HANDLE_VALUE)
827 return -1;
828
829 if (!FlushFileBuffers(hand))
830 {
831 if (GetLastError() == ERROR_INVALID_HANDLE)
832 {
833 /* FlushFileBuffers fails for console handles
834 * so we ignore this error.
835 */
836 return 0;
837 }
838 TRACE(":failed-last error (%d)\n",GetLastError());
839 msvcrt_set_errno(GetLastError());
840 return -1;
841 }
842 TRACE(":ok\n");
843 return 0;
844 }
845
846 /*********************************************************************
847 * _dup2 (MSVCRT.@)
848 * NOTES
849 * MSDN isn't clear on this point, but the remarks for _pipe
850 * indicate file descriptors duplicated with _dup and _dup2 are always
851 * inheritable.
852 */
853 int CDECL MSVCRT__dup2(int od, int nd)
854 {
855 int ret;
856
857 TRACE("(od=%d, nd=%d)\n", od, nd);
858 LOCK_FILES();
859 if (nd < MSVCRT_MAX_FILES && nd >= 0 && msvcrt_is_valid_fd(od))
860 {
861 HANDLE handle;
862
863 if (DuplicateHandle(GetCurrentProcess(), msvcrt_get_ioinfo(od)->handle,
864 GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
865 {
866 int wxflag = msvcrt_get_ioinfo(od)->wxflag & ~MSVCRT__O_NOINHERIT;
867
868 if (msvcrt_is_valid_fd(nd))
869 MSVCRT__close(nd);
870 ret = msvcrt_alloc_fd_from(handle, wxflag, nd);
871 if (ret == -1)
872 {
873 CloseHandle(handle);
874 *MSVCRT__errno() = MSVCRT_EMFILE;
875 }
876 else
877 {
878 /* _dup2 returns 0, not nd, on success */
879 ret = 0;
880 }
881 }
882 else
883 {
884 ret = -1;
885 msvcrt_set_errno(GetLastError());
886 }
887 }
888 else
889 {
890 *MSVCRT__errno() = MSVCRT_EBADF;
891 ret = -1;
892 }
893 UNLOCK_FILES();
894 return ret;
895 }
896
897 /*********************************************************************
898 * _dup (MSVCRT.@)
899 */
900 int CDECL MSVCRT__dup(int od)
901 {
902 int fd, ret;
903
904 LOCK_FILES();
905 fd = MSVCRT_fdstart;
906 if (MSVCRT__dup2(od, fd) == 0)
907 ret = fd;
908 else
909 ret = -1;
910 UNLOCK_FILES();
911 return ret;
912 }
913
914 /*********************************************************************
915 * _eof (MSVCRT.@)
916 */
917 int CDECL MSVCRT__eof(int fd)
918 {
919 DWORD curpos,endpos;
920 LONG hcurpos,hendpos;
921 HANDLE hand = msvcrt_fdtoh(fd);
922
923 TRACE(":fd (%d) handle (%p)\n",fd,hand);
924
925 if (hand == INVALID_HANDLE_VALUE)
926 return -1;
927
928 if (msvcrt_get_ioinfo(fd)->wxflag & WX_ATEOF) return TRUE;
929
930 /* Otherwise we do it the hard way */
931 hcurpos = hendpos = 0;
932 curpos = SetFilePointer(hand, 0, &hcurpos, FILE_CURRENT);
933 endpos = SetFilePointer(hand, 0, &hendpos, FILE_END);
934
935 if (curpos == endpos && hcurpos == hendpos)
936 {
937 /* FIXME: shouldn't WX_ATEOF be set here? */
938 return TRUE;
939 }
940
941 SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN);
942 return FALSE;
943 }
944
945 /*********************************************************************
946 * _fcloseall (MSVCRT.@)
947 */
948 int CDECL MSVCRT__fcloseall(void)
949 {
950 int num_closed = 0, i;
951 MSVCRT_FILE *file;
952
953 LOCK_FILES();
954 for (i = 3; i < MSVCRT_stream_idx; i++) {
955 file = msvcrt_get_file(i);
956
957 if (file->_flag && !MSVCRT_fclose(file))
958 num_closed++;
959 }
960 UNLOCK_FILES();
961
962 TRACE(":closed (%d) handles\n",num_closed);
963 return num_closed;
964 }
965
966 /* free everything on process exit */
967 void msvcrt_free_io(void)
968 {
969 int i;
970
971 MSVCRT__fcloseall();
972 /* The Win32 _fcloseall() function explicitly doesn't close stdin,
973 * stdout, and stderr (unlike GNU), so we need to fclose() them here
974 * or they won't get flushed.
975 */
976 MSVCRT_fclose(&MSVCRT__iob[0]);
977 MSVCRT_fclose(&MSVCRT__iob[1]);
978 MSVCRT_fclose(&MSVCRT__iob[2]);
979
980 for(i=0; i<sizeof(MSVCRT___pioinfo)/sizeof(MSVCRT___pioinfo[0]); i++)
981 MSVCRT_free(MSVCRT___pioinfo[i]);
982
983 for(i=0; i<sizeof(MSVCRT_fstream)/sizeof(MSVCRT_fstream[0]); i++)
984 MSVCRT_free(MSVCRT_fstream[i]);
985
986 MSVCRT_file_cs.DebugInfo->Spare[0] = 0;
987 DeleteCriticalSection(&MSVCRT_file_cs);
988 }
989
990 /*********************************************************************
991 * _lseeki64 (MSVCRT.@)
992 */
993 __int64 CDECL MSVCRT__lseeki64(int fd, __int64 offset, int whence)
994 {
995 HANDLE hand = msvcrt_fdtoh(fd);
996 LARGE_INTEGER ofs;
997
998 TRACE(":fd (%d) handle (%p)\n",fd,hand);
999 if (hand == INVALID_HANDLE_VALUE)
1000 return -1;
1001
1002 if (whence < 0 || whence > 2)
1003 {
1004 *MSVCRT__errno() = MSVCRT_EINVAL;
1005 return -1;
1006 }
1007
1008 TRACE(":fd (%d) to %s pos %s\n",
1009 fd,wine_dbgstr_longlong(offset),
1010 (whence==SEEK_SET)?"SEEK_SET":
1011 (whence==SEEK_CUR)?"SEEK_CUR":
1012 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
1013
1014 /* The MoleBox protection scheme expects msvcrt to use SetFilePointer only,
1015 * so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */
1016 ofs.QuadPart = offset;
1017 if ((ofs.u.LowPart = SetFilePointer(hand, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER ||
1018 GetLastError() == ERROR_SUCCESS)
1019 {
1020 msvcrt_get_ioinfo(fd)->wxflag &= ~(WX_ATEOF|WX_READEOF);
1021 /* FIXME: What if we seek _to_ EOF - is EOF set? */
1022
1023 return ofs.QuadPart;
1024 }
1025 TRACE(":error-last error (%d)\n",GetLastError());
1026 msvcrt_set_errno(GetLastError());
1027 return -1;
1028 }
1029
1030 /*********************************************************************
1031 * _lseek (MSVCRT.@)
1032 */
1033 LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence)
1034 {
1035 return MSVCRT__lseeki64(fd, offset, whence);
1036 }
1037
1038 /*********************************************************************
1039 * _lock_file (MSVCRT.@)
1040 */
1041 void CDECL MSVCRT__lock_file(MSVCRT_FILE *file)
1042 {
1043 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1044 _lock(_STREAM_LOCKS+(file-MSVCRT__iob));
1045 else
1046 EnterCriticalSection(&((file_crit*)file)->crit);
1047 }
1048
1049 /*********************************************************************
1050 * _unlock_file (MSVCRT.@)
1051 */
1052 void CDECL MSVCRT__unlock_file(MSVCRT_FILE *file)
1053 {
1054 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1055 _unlock(_STREAM_LOCKS+(file-MSVCRT__iob));
1056 else
1057 LeaveCriticalSection(&((file_crit*)file)->crit);
1058 }
1059
1060 /*********************************************************************
1061 * _locking (MSVCRT.@)
1062 *
1063 * This is untested; the underlying LockFile doesn't work yet.
1064 */
1065 int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes)
1066 {
1067 BOOL ret;
1068 DWORD cur_locn;
1069 HANDLE hand = msvcrt_fdtoh(fd);
1070
1071 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1072 if (hand == INVALID_HANDLE_VALUE)
1073 return -1;
1074
1075 if (mode < 0 || mode > 4)
1076 {
1077 *MSVCRT__errno() = MSVCRT_EINVAL;
1078 return -1;
1079 }
1080
1081 TRACE(":fd (%d) by 0x%08x mode %s\n",
1082 fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
1083 (mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
1084 (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
1085 (mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
1086 (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
1087 "UNKNOWN");
1088
1089 if ((cur_locn = SetFilePointer(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
1090 {
1091 FIXME ("Seek failed\n");
1092 *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
1093 return -1;
1094 }
1095 if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
1096 {
1097 int nretry = 10;
1098 ret = 1; /* just to satisfy gcc */
1099 while (nretry--)
1100 {
1101 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1102 if (ret) break;
1103 Sleep(1);
1104 }
1105 }
1106 else if (mode == MSVCRT__LK_UNLCK)
1107 ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L);
1108 else
1109 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1110 /* FIXME - what about error settings? */
1111 return ret ? 0 : -1;
1112 }
1113
1114 /*********************************************************************
1115 * _fseeki64 (MSVCRT.@)
1116 */
1117 int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence)
1118 {
1119 int ret;
1120
1121 MSVCRT__lock_file(file);
1122 /* Flush output if needed */
1123 if(file->_flag & MSVCRT__IOWRT)
1124 msvcrt_flush_buffer(file);
1125
1126 if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
1127 offset -= file->_cnt;
1128 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
1129 /* Black magic correction for CR removal */
1130 int i;
1131 for (i=0; i<file->_cnt; i++) {
1132 if (file->_ptr[i] == '\n')
1133 offset--;
1134 }
1135 /* Black magic when reading CR at buffer boundary*/
1136 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
1137 offset--;
1138 }
1139 }
1140 /* Discard buffered input */
1141 file->_cnt = 0;
1142 file->_ptr = file->_base;
1143 /* Reset direction of i/o */
1144 if(file->_flag & MSVCRT__IORW) {
1145 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
1146 }
1147 /* Clear end of file flag */
1148 file->_flag &= ~MSVCRT__IOEOF;
1149 ret = (MSVCRT__lseeki64(file->_file,offset,whence) == -1)?-1:0;
1150
1151 MSVCRT__unlock_file(file);
1152 return ret;
1153 }
1154
1155 /*********************************************************************
1156 * fseek (MSVCRT.@)
1157 */
1158 int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
1159 {
1160 return MSVCRT__fseeki64( file, offset, whence );
1161 }
1162
1163 /*********************************************************************
1164 * _chsize (MSVCRT.@)
1165 */
1166 int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
1167 {
1168 LONG cur, pos;
1169 HANDLE handle;
1170 BOOL ret = FALSE;
1171
1172 TRACE("(fd=%d, size=%d)\n", fd, size);
1173
1174 LOCK_FILES();
1175
1176 handle = msvcrt_fdtoh(fd);
1177 if (handle != INVALID_HANDLE_VALUE)
1178 {
1179 /* save the current file pointer */
1180 cur = MSVCRT__lseek(fd, 0, SEEK_CUR);
1181 if (cur >= 0)
1182 {
1183 pos = MSVCRT__lseek(fd, size, SEEK_SET);
1184 if (pos >= 0)
1185 {
1186 ret = SetEndOfFile(handle);
1187 if (!ret) msvcrt_set_errno(GetLastError());
1188 }
1189
1190 /* restore the file pointer */
1191 MSVCRT__lseek(fd, cur, SEEK_SET);
1192 }
1193 }
1194
1195 UNLOCK_FILES();
1196 return ret ? 0 : -1;
1197 }
1198
1199 /*********************************************************************
1200 * clearerr (MSVCRT.@)
1201 */
1202 void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
1203 {
1204 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1205
1206 MSVCRT__lock_file(file);
1207 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
1208 MSVCRT__unlock_file(file);
1209 }
1210
1211 /*********************************************************************
1212 * rewind (MSVCRT.@)
1213 */
1214 void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
1215 {
1216 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1217
1218 MSVCRT__lock_file(file);
1219 MSVCRT_fseek(file, 0L, SEEK_SET);
1220 MSVCRT_clearerr(file);
1221 MSVCRT__unlock_file(file);
1222 }
1223
1224 static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags)
1225 {
1226 int plus = strchrW(mode, '+') != NULL;
1227
1228 switch(*mode++)
1229 {
1230 case 'R': case 'r':
1231 *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
1232 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
1233 break;
1234 case 'W': case 'w':
1235 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1236 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1237 break;
1238 case 'A': case 'a':
1239 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1240 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1241 break;
1242 default:
1243 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1244 *MSVCRT__errno() = MSVCRT_EINVAL;
1245 return -1;
1246 }
1247
1248 while (*mode)
1249 switch (*mode++)
1250 {
1251 case 'B': case 'b':
1252 *open_flags |= MSVCRT__O_BINARY;
1253 *open_flags &= ~MSVCRT__O_TEXT;
1254 break;
1255 case 'T': case 't':
1256 *open_flags |= MSVCRT__O_TEXT;
1257 *open_flags &= ~MSVCRT__O_BINARY;
1258 break;
1259 case '+':
1260 case ' ':
1261 break;
1262 default:
1263 FIXME(":unknown flag %c not supported\n",mode[-1]);
1264 }
1265 return 0;
1266 }
1267
1268 /*********************************************************************
1269 * _fdopen (MSVCRT.@)
1270 */
1271 MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode)
1272 {
1273 MSVCRT_FILE *ret;
1274 MSVCRT_wchar_t *modeW = NULL;
1275
1276 if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
1277
1278 ret = MSVCRT__wfdopen(fd, modeW);
1279
1280 MSVCRT_free(modeW);
1281 return ret;
1282 }
1283
1284 /*********************************************************************
1285 * _wfdopen (MSVCRT.@)
1286 */
1287 MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
1288 {
1289 int open_flags, stream_flags;
1290 MSVCRT_FILE* file;
1291
1292 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
1293
1294 LOCK_FILES();
1295 if (!(file = msvcrt_alloc_fp()))
1296 file = NULL;
1297 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
1298 {
1299 file->_flag = 0;
1300 file = NULL;
1301 }
1302 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
1303 UNLOCK_FILES();
1304
1305 return file;
1306 }
1307
1308 /*********************************************************************
1309 * _filelength (MSVCRT.@)
1310 */
1311 LONG CDECL MSVCRT__filelength(int fd)
1312 {
1313 LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR);
1314 if (curPos != -1)
1315 {
1316 LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END);
1317 if (endPos != -1)
1318 {
1319 if (endPos != curPos)
1320 MSVCRT__lseek(fd, curPos, SEEK_SET);
1321 return endPos;
1322 }
1323 }
1324 return -1;
1325 }
1326
1327 /*********************************************************************
1328 * _filelengthi64 (MSVCRT.@)
1329 */
1330 __int64 CDECL MSVCRT__filelengthi64(int fd)
1331 {
1332 __int64 curPos = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1333 if (curPos != -1)
1334 {
1335 __int64 endPos = MSVCRT__lseeki64(fd, 0, SEEK_END);
1336 if (endPos != -1)
1337 {
1338 if (endPos != curPos)
1339 MSVCRT__lseeki64(fd, curPos, SEEK_SET);
1340 return endPos;
1341 }
1342 }
1343 return -1;
1344 }
1345
1346 /*********************************************************************
1347 * _fileno (MSVCRT.@)
1348 */
1349 int CDECL MSVCRT__fileno(MSVCRT_FILE* file)
1350 {
1351 int ret;
1352
1353 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
1354
1355 MSVCRT__lock_file(file);
1356 ret = file->_file;
1357 MSVCRT__unlock_file(file);
1358
1359 return ret;
1360 }
1361
1362 /*********************************************************************
1363 * _fstat64 (MSVCRT.@)
1364 */
1365 int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf)
1366 {
1367 DWORD dw;
1368 DWORD type;
1369 BY_HANDLE_FILE_INFORMATION hfi;
1370 HANDLE hand = msvcrt_fdtoh(fd);
1371
1372 TRACE(":fd (%d) stat (%p)\n",fd,buf);
1373 if (hand == INVALID_HANDLE_VALUE)
1374 return -1;
1375
1376 if (!buf)
1377 {
1378 WARN(":failed-NULL buf\n");
1379 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1380 return -1;
1381 }
1382
1383 memset(&hfi, 0, sizeof(hfi));
1384 memset(buf, 0, sizeof(struct MSVCRT__stat64));
1385 type = GetFileType(hand);
1386 if (type == FILE_TYPE_PIPE)
1387 {
1388 buf->st_dev = buf->st_rdev = fd;
1389 buf->st_mode = S_IFIFO;
1390 buf->st_nlink = 1;
1391 }
1392 else if (type == FILE_TYPE_CHAR)
1393 {
1394 buf->st_dev = buf->st_rdev = fd;
1395 buf->st_mode = S_IFCHR;
1396 buf->st_nlink = 1;
1397 }
1398 else /* FILE_TYPE_DISK etc. */
1399 {
1400 if (!GetFileInformationByHandle(hand, &hfi))
1401 {
1402 WARN(":failed-last error (%d)\n",GetLastError());
1403 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1404 return -1;
1405 }
1406 buf->st_mode = S_IFREG | 0444;
1407 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1408 buf->st_mode |= 0222;
1409 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1410 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1411 buf->st_atime = dw;
1412 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1413 buf->st_mtime = buf->st_ctime = dw;
1414 buf->st_nlink = hfi.nNumberOfLinks;
1415 }
1416 TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
1417 buf->st_mode);
1418 return 0;
1419 }
1420
1421 /*********************************************************************
1422 * _fstati64 (MSVCRT.@)
1423 */
1424 int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
1425 {
1426 int ret;
1427 struct MSVCRT__stat64 buf64;
1428
1429 ret = MSVCRT__fstat64(fd, &buf64);
1430 if (!ret)
1431 msvcrt_stat64_to_stati64(&buf64, buf);
1432 return ret;
1433 }
1434
1435 /*********************************************************************
1436 * _fstat (MSVCRT.@)
1437 */
1438 int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
1439 { int ret;
1440 struct MSVCRT__stat64 buf64;
1441
1442 ret = MSVCRT__fstat64(fd, &buf64);
1443 if (!ret)
1444 msvcrt_stat64_to_stat(&buf64, buf);
1445 return ret;
1446 }
1447
1448 /*********************************************************************
1449 * _futime64 (MSVCRT.@)
1450 */
1451 int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t)
1452 {
1453 HANDLE hand = msvcrt_fdtoh(fd);
1454 FILETIME at, wt;
1455
1456 if (!t)
1457 {
1458 time_to_filetime( MSVCRT__time64(NULL), &at );
1459 wt = at;
1460 }
1461 else
1462 {
1463 time_to_filetime( t->actime, &at );
1464 time_to_filetime( t->modtime, &wt );
1465 }
1466
1467 if (!SetFileTime(hand, NULL, &at, &wt))
1468 {
1469 msvcrt_set_errno(GetLastError());
1470 return -1 ;
1471 }
1472 return 0;
1473 }
1474
1475 /*********************************************************************
1476 * _futime32 (MSVCRT.@)
1477 */
1478 int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t)
1479 {
1480 if (t)
1481 {
1482 struct MSVCRT___utimbuf64 t64;
1483 t64.actime = t->actime;
1484 t64.modtime = t->modtime;
1485 return _futime64( fd, &t64 );
1486 }
1487 else
1488 return _futime64( fd, NULL );
1489 }
1490
1491 /*********************************************************************
1492 * _futime (MSVCRT.@)
1493 */
1494 #ifdef _WIN64
1495 int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t)
1496 {
1497 return _futime64( fd, t );
1498 }
1499 #else
1500 int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t)
1501 {
1502 return _futime32( fd, t );
1503 }
1504 #endif
1505
1506 /*********************************************************************
1507 * _get_osfhandle (MSVCRT.@)
1508 */
1509 MSVCRT_intptr_t CDECL MSVCRT__get_osfhandle(int fd)
1510 {
1511 HANDLE hand = msvcrt_fdtoh(fd);
1512 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1513
1514 return (MSVCRT_intptr_t)hand;
1515 }
1516
1517 /*********************************************************************
1518 * _isatty (MSVCRT.@)
1519 */
1520 int CDECL MSVCRT__isatty(int fd)
1521 {
1522 HANDLE hand = msvcrt_fdtoh(fd);
1523
1524 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1525 if (hand == INVALID_HANDLE_VALUE)
1526 return 0;
1527
1528 return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
1529 }
1530
1531 /*********************************************************************
1532 * _mktemp (MSVCRT.@)
1533 */
1534 char * CDECL MSVCRT__mktemp(char *pattern)
1535 {
1536 int numX = 0;
1537 char *retVal = pattern;
1538 int id;
1539 char letter = 'a';
1540
1541 while(*pattern)
1542 numX = (*pattern++ == 'X')? numX + 1 : 0;
1543 if (numX < 5)
1544 return NULL;
1545 pattern--;
1546 id = GetCurrentProcessId();
1547 numX = 6;
1548 while(numX--)
1549 {
1550 int tempNum = id / 10;
1551 *pattern-- = id - (tempNum * 10) + '0';
1552 id = tempNum;
1553 }
1554 pattern++;
1555 do
1556 {
1557 *pattern = letter++;
1558 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES &&
1559 GetLastError() == ERROR_FILE_NOT_FOUND)
1560 return retVal;
1561 } while(letter <= 'z');
1562 return NULL;
1563 }
1564
1565 /*********************************************************************
1566 * _wmktemp (MSVCRT.@)
1567 */
1568 MSVCRT_wchar_t * CDECL MSVCRT__wmktemp(MSVCRT_wchar_t *pattern)
1569 {
1570 int numX = 0;
1571 MSVCRT_wchar_t *retVal = pattern;
1572 int id;
1573 MSVCRT_wchar_t letter = 'a';
1574
1575 while(*pattern)
1576 numX = (*pattern++ == 'X')? numX + 1 : 0;
1577 if (numX < 5)
1578 return NULL;
1579 pattern--;
1580 id = GetCurrentProcessId();
1581 numX = 6;
1582 while(numX--)
1583 {
1584 int tempNum = id / 10;
1585 *pattern-- = id - (tempNum * 10) + '0';
1586 id = tempNum;
1587 }
1588 pattern++;
1589 do
1590 {
1591 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES &&
1592 GetLastError() == ERROR_FILE_NOT_FOUND)
1593 return retVal;
1594 *pattern = letter++;
1595 } while(letter != '|');
1596 return NULL;
1597 }
1598
1599 static unsigned split_oflags(unsigned oflags)
1600 {
1601 int wxflags = 0;
1602 unsigned unsupp; /* until we support everything */
1603
1604 if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
1605 if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */}
1606 else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
1607 else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */}
1608 else wxflags |= WX_TEXT; /* default to TEXT*/
1609 if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1610
1611 if ((unsupp = oflags & ~(
1612 MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|
1613 MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT|
1614 MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY|
1615 MSVCRT__O_NOINHERIT|
1616 MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED
1617 )))
1618 ERR(":unsupported oflags 0x%04x\n",unsupp);
1619
1620 return wxflags;
1621 }
1622
1623 /*********************************************************************
1624 * _pipe (MSVCRT.@)
1625 */
1626 int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode)
1627 {
1628 int ret = -1;
1629 SECURITY_ATTRIBUTES sa;
1630 HANDLE readHandle, writeHandle;
1631
1632 if (!pfds)
1633 {
1634 *MSVCRT__errno() = MSVCRT_EINVAL;
1635 return -1;
1636 }
1637
1638 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
1639 sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT);
1640 sa.lpSecurityDescriptor = NULL;
1641 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
1642 {
1643 unsigned int wxflags = split_oflags(textmode);
1644 int fd;
1645
1646 LOCK_FILES();
1647 fd = msvcrt_alloc_fd(readHandle, wxflags);
1648 if (fd != -1)
1649 {
1650 pfds[0] = fd;
1651 fd = msvcrt_alloc_fd(writeHandle, wxflags);
1652 if (fd != -1)
1653 {
1654 pfds[1] = fd;
1655 ret = 0;
1656 }
1657 else
1658 {
1659 MSVCRT__close(pfds[0]);
1660 CloseHandle(writeHandle);
1661 *MSVCRT__errno() = MSVCRT_EMFILE;
1662 }
1663 }
1664 else
1665 {
1666 CloseHandle(readHandle);
1667 CloseHandle(writeHandle);
1668 *MSVCRT__errno() = MSVCRT_EMFILE;
1669 }
1670 UNLOCK_FILES();
1671 }
1672 else
1673 msvcrt_set_errno(GetLastError());
1674
1675 return ret;
1676 }
1677
1678 /*********************************************************************
1679 * _sopen_s (MSVCRT.@)
1680 */
1681 int CDECL MSVCRT__sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode )
1682 {
1683 DWORD access = 0, creation = 0, attrib;
1684 DWORD sharing;
1685 int wxflag;
1686 HANDLE hand;
1687 SECURITY_ATTRIBUTES sa;
1688
1689 TRACE("fd*: %p file: (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1690 fd, path, oflags, shflags, pmode);
1691
1692 if (!fd)
1693 {
1694 MSVCRT_INVALID_PMT("null out fd pointer");
1695 *MSVCRT__errno() = MSVCRT_EINVAL;
1696 return MSVCRT_EINVAL;
1697 }
1698
1699 *fd = -1;
1700 wxflag = split_oflags(oflags);
1701 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1702 {
1703 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1704 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1705 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1706 }
1707
1708 if (oflags & MSVCRT__O_CREAT)
1709 {
1710 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1711 FIXME(": pmode 0x%04x ignored\n", pmode);
1712 else
1713 WARN(": pmode 0x%04x ignored\n", pmode);
1714
1715 if (oflags & MSVCRT__O_EXCL)
1716 creation = CREATE_NEW;
1717 else if (oflags & MSVCRT__O_TRUNC)
1718 creation = CREATE_ALWAYS;
1719 else
1720 creation = OPEN_ALWAYS;
1721 }
1722 else /* no MSVCRT__O_CREAT */
1723 {
1724 if (oflags & MSVCRT__O_TRUNC)
1725 creation = TRUNCATE_EXISTING;
1726 else
1727 creation = OPEN_EXISTING;
1728 }
1729
1730 switch( shflags )
1731 {
1732 case MSVCRT__SH_DENYRW:
1733 sharing = 0L;
1734 break;
1735 case MSVCRT__SH_DENYWR:
1736 sharing = FILE_SHARE_READ;
1737 break;
1738 case MSVCRT__SH_DENYRD:
1739 sharing = FILE_SHARE_WRITE;
1740 break;
1741 case MSVCRT__SH_DENYNO:
1742 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1743 break;
1744 default:
1745 ERR( "Unhandled shflags 0x%x\n", shflags );
1746 return MSVCRT_EINVAL;
1747 }
1748 attrib = FILE_ATTRIBUTE_NORMAL;
1749
1750 if (oflags & MSVCRT__O_TEMPORARY)
1751 {
1752 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1753 access |= DELETE;
1754 sharing |= FILE_SHARE_DELETE;
1755 }
1756
1757 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1758 sa.lpSecurityDescriptor = NULL;
1759 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1760
1761 hand = CreateFileA(path, access, sharing, &sa, creation, attrib, 0);
1762 if (hand == INVALID_HANDLE_VALUE) {
1763 WARN(":failed-last error (%d)\n", GetLastError());
1764 msvcrt_set_errno(GetLastError());
1765 return *MSVCRT__errno();
1766 }
1767
1768 *fd = msvcrt_alloc_fd(hand, wxflag);
1769
1770 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
1771 return 0;
1772 }
1773
1774 /*********************************************************************
1775 * _sopen (MSVCRT.@)
1776 */
1777 int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
1778 {
1779 int pmode;
1780 int fd;
1781
1782 if (oflags & MSVCRT__O_CREAT)
1783 {
1784 __ms_va_list ap;
1785
1786 __ms_va_start(ap, shflags);
1787 pmode = va_arg(ap, int);
1788 __ms_va_end(ap);
1789 }
1790 else
1791 pmode = 0;
1792
1793 MSVCRT__sopen_s(&fd, path, oflags, shflags, pmode);
1794 return fd;
1795 }
1796
1797 /*********************************************************************
1798 * _wsopen_s (MSVCRT.@)
1799 */
1800 int CDECL MSVCRT__wsopen_s( int *fd, const MSVCRT_wchar_t* path, int oflags, int shflags, int pmode )
1801 {
1802 DWORD access = 0, creation = 0, attrib;
1803 SECURITY_ATTRIBUTES sa;
1804 DWORD sharing;
1805 int wxflag;
1806 HANDLE hand;
1807
1808 TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1809 fd, debugstr_w(path), oflags, shflags, pmode);
1810
1811 if (!fd)
1812 {
1813 MSVCRT_INVALID_PMT("null out fd pointer");
1814 *MSVCRT__errno() = MSVCRT_EINVAL;
1815 return MSVCRT_EINVAL;
1816 }
1817
1818 *fd = -1;
1819 wxflag = split_oflags(oflags);
1820 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1821 {
1822 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1823 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1824 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1825 }
1826
1827 if (oflags & MSVCRT__O_CREAT)
1828 {
1829 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1830 FIXME(": pmode 0x%04x ignored\n", pmode);
1831 else
1832 WARN(": pmode 0x%04x ignored\n", pmode);
1833
1834 if (oflags & MSVCRT__O_EXCL)
1835 creation = CREATE_NEW;
1836 else if (oflags & MSVCRT__O_TRUNC)
1837 creation = CREATE_ALWAYS;
1838 else
1839 creation = OPEN_ALWAYS;
1840 }
1841 else /* no MSVCRT__O_CREAT */
1842 {
1843 if (oflags & MSVCRT__O_TRUNC)
1844 creation = TRUNCATE_EXISTING;
1845 else
1846 creation = OPEN_EXISTING;
1847 }
1848
1849 switch( shflags )
1850 {
1851 case MSVCRT__SH_DENYRW:
1852 sharing = 0L;
1853 break;
1854 case MSVCRT__SH_DENYWR:
1855 sharing = FILE_SHARE_READ;
1856 break;
1857 case MSVCRT__SH_DENYRD:
1858 sharing = FILE_SHARE_WRITE;
1859 break;
1860 case MSVCRT__SH_DENYNO:
1861 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1862 break;
1863 default:
1864 ERR( "Unhandled shflags 0x%x\n", shflags );
1865 return MSVCRT_EINVAL;
1866 }
1867 attrib = FILE_ATTRIBUTE_NORMAL;
1868
1869 if (oflags & MSVCRT__O_TEMPORARY)
1870 {
1871 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1872 access |= DELETE;
1873 sharing |= FILE_SHARE_DELETE;
1874 }
1875
1876 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1877 sa.lpSecurityDescriptor = NULL;
1878 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1879
1880 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
1881
1882 if (hand == INVALID_HANDLE_VALUE) {
1883 WARN(":failed-last error (%d)\n",GetLastError());
1884 msvcrt_set_errno(GetLastError());
1885 msvcrt_set_errno(GetLastError());
1886 return *MSVCRT__errno();
1887 }
1888
1889 *fd = msvcrt_alloc_fd(hand, wxflag);
1890
1891 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
1892 return 0;
1893 }
1894
1895 /*********************************************************************
1896 * _wsopen (MSVCRT.@)
1897 */
1898 int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t *path, int oflags, int shflags, ... )
1899 {
1900 int pmode;
1901 int fd;
1902
1903 if (oflags & MSVCRT__O_CREAT)
1904 {
1905 __ms_va_list ap;
1906
1907 __ms_va_start(ap, shflags);
1908 pmode = va_arg(ap, int);
1909 __ms_va_end(ap);
1910 }
1911 else
1912 pmode = 0;
1913
1914 MSVCRT__wsopen_s(&fd, path, oflags, shflags, pmode);
1915 return fd;
1916 }
1917
1918 /*********************************************************************
1919 * _open (MSVCRT.@)
1920 */
1921 int CDECL MSVCRT__open( const char *path, int flags, ... )
1922 {
1923 __ms_va_list ap;
1924
1925 if (flags & MSVCRT__O_CREAT)
1926 {
1927 int pmode;
1928 __ms_va_start(ap, flags);
1929 pmode = va_arg(ap, int);
1930 __ms_va_end(ap);
1931 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1932 }
1933 else
1934 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
1935 }
1936
1937 /*********************************************************************
1938 * _wopen (MSVCRT.@)
1939 */
1940 int CDECL MSVCRT__wopen(const MSVCRT_wchar_t *path,int flags,...)
1941 {
1942 __ms_va_list ap;
1943
1944 if (flags & MSVCRT__O_CREAT)
1945 {
1946 int pmode;
1947 __ms_va_start(ap, flags);
1948 pmode = va_arg(ap, int);
1949 __ms_va_end(ap);
1950 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1951 }
1952 else
1953 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO);
1954 }
1955
1956 /*********************************************************************
1957 * _creat (MSVCRT.@)
1958 */
1959 int CDECL MSVCRT__creat(const char *path, int flags)
1960 {
1961 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1962 return MSVCRT__open(path, usedFlags);
1963 }
1964
1965 /*********************************************************************
1966 * _wcreat (MSVCRT.@)
1967 */
1968 int CDECL MSVCRT__wcreat(const MSVCRT_wchar_t *path, int flags)
1969 {
1970 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1971 return MSVCRT__wopen(path, usedFlags);
1972 }
1973
1974 /*********************************************************************
1975 * _open_osfhandle (MSVCRT.@)
1976 */
1977 int CDECL MSVCRT__open_osfhandle(MSVCRT_intptr_t handle, int oflags)
1978 {
1979 int fd;
1980
1981 /* MSVCRT__O_RDONLY (0) always matches, so set the read flag
1982 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
1983 * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
1984 * text - it never sets MSVCRT__O_BINARY.
1985 */
1986 /* don't let split_oflags() decide the mode if no mode is passed */
1987 if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)))
1988 oflags |= MSVCRT__O_BINARY;
1989
1990 fd = msvcrt_alloc_fd((HANDLE)handle, split_oflags(oflags));
1991 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, oflags);
1992 return fd;
1993 }
1994
1995 /*********************************************************************
1996 * _rmtmp (MSVCRT.@)
1997 */
1998 int CDECL MSVCRT__rmtmp(void)
1999 {
2000 int num_removed = 0, i;
2001 MSVCRT_FILE *file;
2002
2003 LOCK_FILES();
2004 for (i = 3; i < MSVCRT_stream_idx; i++) {
2005 file = msvcrt_get_file(i);
2006
2007 if (file->_tmpfname)
2008 {
2009 MSVCRT_fclose(file);
2010 num_removed++;
2011 }
2012 }
2013 UNLOCK_FILES();
2014
2015 if (num_removed)
2016 TRACE(":removed (%d) temp files\n",num_removed);
2017 return num_removed;
2018 }
2019
2020 /*********************************************************************
2021 * (internal) read_i
2022 *
2023 * When reading \r as last character in text mode, read() positions
2024 * the file pointer on the \r character while getc() goes on to
2025 * the following \n
2026 */
2027 static int read_i(int fd, void *buf, unsigned int count)
2028 {
2029 DWORD num_read;
2030 char *bufstart = buf;
2031 HANDLE hand = msvcrt_fdtoh(fd);
2032 ioinfo *fdinfo = msvcrt_get_ioinfo(fd);
2033
2034 if (count == 0)
2035 return 0;
2036
2037 if (fdinfo->wxflag & WX_READEOF) {
2038 fdinfo->wxflag |= WX_ATEOF;
2039 TRACE("already at EOF, returning 0\n");
2040 return 0;
2041 }
2042 /* Don't trace small reads, it gets *very* annoying */
2043 if (count > 4)
2044 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
2045 if (hand == INVALID_HANDLE_VALUE)
2046 return -1;
2047
2048 /* Reading single bytes in O_TEXT mode makes things slow
2049 * So read big chunks
2050 */
2051 if (ReadFile(hand, bufstart, count, &num_read, NULL))
2052 {
2053 if (count != 0 && num_read == 0)
2054 {
2055 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
2056 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
2057 }
2058 else if (fdinfo->wxflag & WX_TEXT)
2059 {
2060 DWORD i, j;
2061 if (bufstart[num_read-1] == '\r')
2062 {
2063 if(count == 1)
2064 {
2065 fdinfo->wxflag &= ~WX_READCR;
2066 ReadFile(hand, bufstart, 1, &num_read, NULL);
2067 }
2068 else
2069 {
2070 fdinfo->wxflag |= WX_READCR;
2071 num_read--;
2072 }
2073 }
2074 else
2075 fdinfo->wxflag &= ~WX_READCR;
2076 for (i=0, j=0; i<num_read; i++)
2077 {
2078 /* in text mode, a ctrl-z signals EOF */
2079 if (bufstart[i] == 0x1a)
2080 {
2081 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
2082 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
2083 break;
2084 }
2085 /* in text mode, strip \r if followed by \n.
2086 * BUG: should save state across calls somehow, so CR LF that
2087 * straddles buffer boundary gets recognized properly?
2088 */
2089 if ((bufstart[i] != '\r')
2090 || ((i+1) < num_read && bufstart[i+1] != '\n'))
2091 bufstart[j++] = bufstart[i];
2092 }
2093 num_read = j;
2094 }
2095 }
2096 else
2097 {
2098 if (GetLastError() == ERROR_BROKEN_PIPE)
2099 {
2100 TRACE(":end-of-pipe\n");
2101 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
2102 return 0;
2103 }
2104 else
2105 {
2106 TRACE(":failed-last error (%d)\n",GetLastError());
2107 return -1;
2108 }
2109 }
2110
2111 if (count > 4)
2112 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
2113 return num_read;
2114 }
2115
2116 /*********************************************************************
2117 * _read (MSVCRT.@)
2118 */
2119 int CDECL MSVCRT__read(int fd, void *buf, unsigned int count)
2120 {
2121 int num_read;
2122 num_read = read_i(fd, buf, count);
2123 return num_read;
2124 }
2125
2126 /*********************************************************************
2127 * _setmode (MSVCRT.@)
2128 */
2129 int CDECL MSVCRT__setmode(int fd,int mode)
2130 {
2131 int ret = msvcrt_get_ioinfo(fd)->wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
2132 if (mode & (~(MSVCRT__O_TEXT|MSVCRT__O_BINARY)))
2133 FIXME("fd (%d) mode (0x%08x) unknown\n",fd,mode);
2134 if ((mode & MSVCRT__O_TEXT) == MSVCRT__O_TEXT)
2135 msvcrt_get_ioinfo(fd)->wxflag |= WX_TEXT;
2136 else
2137 msvcrt_get_ioinfo(fd)->wxflag &= ~WX_TEXT;
2138 return ret;
2139 }
2140
2141 /*********************************************************************
2142 * _stat64 (MSVCRT.@)
2143 */
2144 int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
2145 {
2146 DWORD dw;
2147 WIN32_FILE_ATTRIBUTE_DATA hfi;
2148 unsigned short mode = ALL_S_IREAD;
2149 int plen;
2150
2151 TRACE(":file (%s) buf(%p)\n",path,buf);
2152
2153 if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
2154 {
2155 TRACE("failed (%d)\n",GetLastError());
2156 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
2157 return -1;
2158 }
2159
2160 memset(buf,0,sizeof(struct MSVCRT__stat64));
2161
2162 /* FIXME: rdev isn't drive num, despite what the docs say-what is it?
2163 Bon 011120: This FIXME seems incorrect
2164 Also a letter as first char isn't enough to be classified
2165 as a drive letter
2166 */
2167 if (isalpha(*path)&& (*(path+1)==':'))
2168 buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
2169 else
2170 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2171
2172 plen = strlen(path);
2173
2174 /* Dir, or regular file? */
2175 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
2176 (path[plen-1] == '\\'))
2177 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2178 else
2179 {
2180 mode |= MSVCRT__S_IFREG;
2181 /* executable? */
2182 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2183 {
2184 unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
2185 (tolower(path[plen-3]) << 16);
2186 if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
2187 mode |= ALL_S_IEXEC;
2188 }
2189 }
2190
2191 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2192 mode |= ALL_S_IWRITE;
2193
2194 buf->st_mode = mode;
2195 buf->st_nlink = 1;
2196 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2197 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2198 buf->st_atime = dw;
2199 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2200 buf->st_mtime = buf->st_ctime = dw;
2201 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2202 (int)(buf->st_size >> 32),(int)buf->st_size,
2203 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2204 return 0;
2205 }
2206
2207 /*********************************************************************
2208 * _stati64 (MSVCRT.@)
2209 */
2210 int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf)
2211 {
2212 int ret;
2213 struct MSVCRT__stat64 buf64;
2214
2215 ret = MSVCRT_stat64(path, &buf64);
2216 if (!ret)
2217 msvcrt_stat64_to_stati64(&buf64, buf);
2218 return ret;
2219 }
2220
2221 /*********************************************************************
2222 * _stat (MSVCRT.@)
2223 */
2224 int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf)
2225 { int ret;
2226 struct MSVCRT__stat64 buf64;
2227
2228 ret = MSVCRT_stat64( path, &buf64);
2229 if (!ret)
2230 msvcrt_stat64_to_stat(&buf64, buf);
2231 return ret;
2232 }
2233
2234 /*********************************************************************
2235 * _wstat64 (MSVCRT.@)
2236 */
2237 int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf)
2238 {
2239 DWORD dw;
2240 WIN32_FILE_ATTRIBUTE_DATA hfi;
2241 unsigned short mode = ALL_S_IREAD;
2242 int plen;
2243
2244 TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
2245
2246 if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
2247 {
2248 TRACE("failed (%d)\n",GetLastError());
2249 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
2250 return -1;
2251 }
2252
2253 memset(buf,0,sizeof(struct MSVCRT__stat64));
2254
2255 /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
2256 if (MSVCRT_iswalpha(*path))
2257 buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
2258 else
2259 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2260
2261 plen = strlenW(path);
2262
2263 /* Dir, or regular file? */
2264 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
2265 (path[plen-1] == '\\'))
2266 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2267 else
2268 {
2269 mode |= MSVCRT__S_IFREG;
2270 /* executable? */
2271 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2272 {
2273 ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
2274 ((ULONGLONG)tolowerW(path[plen-3]) << 32);
2275 if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
2276 mode |= ALL_S_IEXEC;
2277 }
2278 }
2279
2280 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2281 mode |= ALL_S_IWRITE;
2282
2283 buf->st_mode = mode;
2284 buf->st_nlink = 1;
2285 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2286 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2287 buf->st_atime = dw;
2288 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2289 buf->st_mtime = buf->st_ctime = dw;
2290 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2291 (int)(buf->st_size >> 32),(int)buf->st_size,
2292 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2293 return 0;
2294 }
2295
2296 /*********************************************************************
2297 * _wstati64 (MSVCRT.@)
2298 */
2299 int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
2300 {
2301 int ret;
2302 struct MSVCRT__stat64 buf64;
2303
2304 ret = MSVCRT__wstat64(path, &buf64);
2305 if (!ret)
2306 msvcrt_stat64_to_stati64(&buf64, buf);
2307 return ret;
2308 }
2309
2310 /*********************************************************************
2311 * _wstat (MSVCRT.@)
2312 */
2313 int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
2314 {
2315 int ret;
2316 struct MSVCRT__stat64 buf64;
2317
2318 ret = MSVCRT__wstat64( path, &buf64 );
2319 if (!ret) msvcrt_stat64_to_stat(&buf64, buf);
2320 return ret;
2321 }
2322
2323 /*********************************************************************
2324 * _tell (MSVCRT.@)
2325 */
2326 MSVCRT_long CDECL MSVCRT__tell(int fd)
2327 {
2328 return MSVCRT__lseek(fd, 0, SEEK_CUR);
2329 }
2330
2331 /*********************************************************************
2332 * _telli64 (MSVCRT.@)
2333 */
2334 __int64 CDECL _telli64(int fd)
2335 {
2336 return MSVCRT__lseeki64(fd, 0, SEEK_CUR);
2337 }
2338
2339 /*********************************************************************
2340 * _tempnam (MSVCRT.@)
2341 */
2342 char * CDECL MSVCRT__tempnam(const char *dir, const char *prefix)
2343 {
2344 char tmpbuf[MAX_PATH];
2345 const char *tmp_dir = MSVCRT_getenv("TMP");
2346
2347 if (tmp_dir) dir = tmp_dir;
2348
2349 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
2350 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
2351 {
2352 TRACE("got name (%s)\n",tmpbuf);
2353 DeleteFileA(tmpbuf);
2354 return MSVCRT__strdup(tmpbuf);
2355 }
2356 TRACE("failed (%d)\n",GetLastError());
2357 return NULL;
2358 }
2359
2360 /*********************************************************************
2361 * _wtempnam (MSVCRT.@)
2362 */
2363 MSVCRT_wchar_t * CDECL MSVCRT__wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
2364 {
2365 MSVCRT_wchar_t tmpbuf[MAX_PATH];
2366
2367 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
2368 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
2369 {
2370 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
2371 DeleteFileW(tmpbuf);
2372 return MSVCRT__wcsdup(tmpbuf);
2373 }
2374 TRACE("failed (%d)\n",GetLastError());
2375 return NULL;
2376 }
2377
2378 /*********************************************************************
2379 * _umask (MSVCRT.@)
2380 */
2381 int CDECL MSVCRT__umask(int umask)
2382 {
2383 int old_umask = MSVCRT_umask;
2384 TRACE("(%d)\n",umask);
2385 MSVCRT_umask = umask;
2386 return old_umask;
2387 }
2388
2389 /*********************************************************************
2390 * _utime64 (MSVCRT.@)
2391 */
2392 int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t)
2393 {
2394 int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2395
2396 if (fd > 0)
2397 {
2398 int retVal = _futime64(fd, t);
2399 MSVCRT__close(fd);
2400 return retVal;
2401 }
2402 return -1;
2403 }
2404
2405 /*********************************************************************
2406 * _utime32 (MSVCRT.@)
2407 */
2408 int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t)
2409 {
2410 if (t)
2411 {
2412 struct MSVCRT___utimbuf64 t64;
2413 t64.actime = t->actime;
2414 t64.modtime = t->modtime;
2415 return _utime64( path, &t64 );
2416 }
2417 else
2418 return _utime64( path, NULL );
2419 }
2420
2421 /*********************************************************************
2422 * _utime (MSVCRT.@)
2423 */
2424 #ifdef _WIN64
2425 int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t)
2426 {
2427 return _utime64( path, t );
2428 }
2429 #else
2430 int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t)
2431 {
2432 return _utime32( path, t );
2433 }
2434 #endif
2435
2436 /*********************************************************************
2437 * _wutime64 (MSVCRT.@)
2438 */
2439 int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2440 {
2441 int fd = MSVCRT__wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2442
2443 if (fd > 0)
2444 {
2445 int retVal = _futime64(fd, t);
2446 MSVCRT__close(fd);
2447 return retVal;
2448 }
2449 return -1;
2450 }
2451
2452 /*********************************************************************
2453 * _wutime32 (MSVCRT.@)
2454 */
2455 int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2456 {
2457 if (t)
2458 {
2459 struct MSVCRT___utimbuf64 t64;
2460 t64.actime = t->actime;
2461 t64.modtime = t->modtime;
2462 return _wutime64( path, &t64 );
2463 }
2464 else
2465 return _wutime64( path, NULL );
2466 }
2467
2468 /*********************************************************************
2469 * _wutime (MSVCRT.@)
2470 */
2471 #ifdef _WIN64
2472 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2473 {
2474 return _wutime64( path, t );
2475 }
2476 #else
2477 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2478 {
2479 return _wutime32( path, t );
2480 }
2481 #endif
2482
2483 /*********************************************************************
2484 * _write (MSVCRT.@)
2485 */
2486 int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
2487 {
2488 DWORD num_written;
2489 HANDLE hand = msvcrt_fdtoh(fd);
2490
2491 /* Don't trace small writes, it gets *very* annoying */
2492 #if 0
2493 if (count > 32)
2494 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
2495 #endif
2496 if (hand == INVALID_HANDLE_VALUE)
2497 {
2498 *MSVCRT__errno() = MSVCRT_EBADF;
2499 return -1;
2500 }
2501
2502 /* If appending, go to EOF */
2503 if (msvcrt_get_ioinfo(fd)->wxflag & WX_APPEND)
2504 MSVCRT__lseek(fd, 0, FILE_END);
2505
2506 if (!(msvcrt_get_ioinfo(fd)->wxflag & WX_TEXT))
2507 {
2508 if (WriteFile(hand, buf, count, &num_written, NULL)
2509 && (num_written == count))
2510 return num_written;
2511 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
2512 hand, GetLastError());
2513 *MSVCRT__errno() = MSVCRT_ENOSPC;
2514 }
2515 else
2516 {
2517 unsigned int i, j, nr_lf;
2518 char *p = NULL;
2519 const char *q;
2520 const char *s = buf, *buf_start = buf;
2521 /* find number of \n ( without preceding \r ) */
2522 for ( nr_lf=0,i = 0; i <count; i++)
2523 {
2524 if (s[i]== '\n')
2525 {
2526 nr_lf++;
2527 /*if ((i >1) && (s[i-1] == '\r')) nr_lf--; */
2528 }
2529 }
2530 if (nr_lf)
2531 {
2532 if ((q = p = MSVCRT_malloc(count + nr_lf)))
2533 {
2534 for (s = buf, i = 0, j = 0; i < count; i++)
2535 {
2536 if (s[i]== '\n')
2537 {
2538 p[j++] = '\r';
2539 /*if ((i >1) && (s[i-1] == '\r'))j--;*/
2540 }
2541 p[j++] = s[i];
2542 }
2543 }
2544 else
2545 {
2546 FIXME("Malloc failed\n");
2547 nr_lf =0;
2548 q = buf;
2549 }
2550 }
2551 else
2552 q = buf;
2553
2554 if ((WriteFile(hand, q, count+nr_lf, &num_written, NULL) == 0 ) || (num_written != count+nr_lf))
2555 {
2556 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
2557 fd, hand, GetLastError(), num_written);
2558 *MSVCRT__errno() = MSVCRT_ENOSPC;
2559 if(nr_lf)
2560 MSVCRT_free(p);
2561 return s - buf_start;
2562 }
2563 else
2564 {
2565 if(nr_lf)
2566 MSVCRT_free(p);
2567 return count;
2568 }
2569 }
2570 return -1;
2571 }
2572
2573 /*********************************************************************
2574 * _putw (MSVCRT.@)
2575 */
2576 int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
2577 {
2578 int len;
2579
2580 MSVCRT__lock_file(file);
2581 len = MSVCRT__write(file->_file, &val, sizeof(val));
2582 if (len == sizeof(val)) {
2583 MSVCRT__unlock_file(file);
2584 return val;
2585 }
2586
2587 file->_flag |= MSVCRT__IOERR;
2588 MSVCRT__unlock_file(file);
2589 return MSVCRT_EOF;
2590 }
2591
2592 /*********************************************************************
2593 * fclose (MSVCRT.@)
2594 */
2595 int CDECL MSVCRT_fclose(MSVCRT_FILE* file)
2596 {
2597 int r, flag;
2598
2599 MSVCRT__lock_file(file);
2600 flag = file->_flag;
2601 MSVCRT_free(file->_tmpfname);
2602 file->_tmpfname = NULL;
2603 /* flush stdio buffers */
2604 if(file->_flag & MSVCRT__IOWRT)
2605 MSVCRT_fflush(file);
2606 if(file->_flag & MSVCRT__IOMYBUF)
2607 MSVCRT_free(file->_base);
2608
2609 r=MSVCRT__close(file->_file);
2610
2611 file->_flag = 0;
2612 MSVCRT__unlock_file(file);
2613 if(file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
2614 {
2615 ((file_crit*)file)->crit.DebugInfo->Spare[0] = 0;
2616 DeleteCriticalSection(&((file_crit*)file)->crit);
2617 }
2618
2619 if(file == msvcrt_get_file(MSVCRT_stream_idx-1)) {
2620 while(MSVCRT_stream_idx>3 && !file->_flag) {
2621 MSVCRT_stream_idx--;
2622 file = msvcrt_get_file(MSVCRT_stream_idx-1);
2623 }
2624 }
2625
2626 return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
2627 }
2628
2629 /*********************************************************************
2630 * feof (MSVCRT.@)
2631 */
2632 int CDECL MSVCRT_feof(MSVCRT_FILE* file)
2633 {
2634 int ret;
2635
2636 MSVCRT__lock_file(file);
2637 ret = file->_flag & MSVCRT__IOEOF;
2638 MSVCRT__unlock_file(file);
2639
2640 return ret;
2641 }
2642
2643 /*********************************************************************
2644 * ferror (MSVCRT.@)
2645 */
2646 int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
2647 {
2648 int ret;
2649
2650 MSVCRT__lock_file(file);
2651 ret = file->_flag & MSVCRT__IOERR;
2652 MSVCRT__unlock_file(file);
2653
2654 return ret;
2655 }
2656
2657 /*********************************************************************
2658 * _filbuf (MSVCRT.@)
2659 */
2660 int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
2661 {
2662 unsigned char c;
2663 MSVCRT__lock_file(file);
2664
2665 /* Allocate buffer if needed */
2666 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF))
2667 msvcrt_alloc_buffer(file);
2668
2669 if(!(file->_flag & MSVCRT__IOREAD)) {
2670 if(file->_flag & MSVCRT__IORW)
2671 file->_flag |= MSVCRT__IOREAD;
2672 else {
2673 MSVCRT__unlock_file(file);
2674 return MSVCRT_EOF;
2675 }
2676 }
2677
2678 if(file->_flag & MSVCRT__IONBF) {
2679 int r;
2680 if ((r = read_i(file->_file,&c,1)) != 1) {
2681 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2682 MSVCRT__unlock_file(file);
2683 return MSVCRT_EOF;
2684 }
2685
2686 MSVCRT__unlock_file(file);
2687 return c;
2688 } else {
2689 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
2690 if(file->_cnt<=0) {
2691 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2692 file->_cnt = 0;
2693 MSVCRT__unlock_file(file);
2694 return MSVCRT_EOF;
2695 }
2696
2697 file->_cnt--;
2698 file->_ptr = file->_base+1;
2699 c = *(unsigned char *)file->_base;
2700 MSVCRT__unlock_file(file);
2701 return c;
2702 }
2703 }
2704
2705 /*********************************************************************
2706 * fgetc (MSVCRT.@)
2707 */
2708 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
2709 {
2710 unsigned char *i;
2711 unsigned int j;
2712
2713 MSVCRT__lock_file(file);
2714 if (file->_cnt>0) {
2715 file->_cnt--;
2716 i = (unsigned char *)file->_ptr++;
2717 j = *i;
2718 } else
2719 j = MSVCRT__filbuf(file);
2720
2721 MSVCRT__unlock_file(file);
2722 return j;
2723 }
2724
2725 /*********************************************************************
2726 * _fgetchar (MSVCRT.@)
2727 */
2728 int CDECL MSVCRT__fgetchar(void)
2729 {
2730 return MSVCRT_fgetc(MSVCRT_stdin);
2731 }
2732
2733 /*********************************************************************
2734 * fgets (MSVCRT.@)
2735 */
2736 char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
2737 {
2738 int cc = MSVCRT_EOF;
2739 char * buf_start = s;
2740
2741 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2742 file,file->_file,s,size);
2743
2744 MSVCRT__lock_file(file);
2745
2746 while ((size >1) && (cc = MSVCRT_fgetc(file)) != MSVCRT_EOF && cc != '\n')
2747 {
2748 *s++ = (char)cc;
2749 size --;
2750 }
2751 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
2752 {
2753 TRACE(":nothing read\n");
2754 MSVCRT__unlock_file(file);
2755 return NULL;
2756 }
2757 if ((cc != MSVCRT_EOF) && (size > 1))
2758 *s++ = cc;
2759 *s = '\0';
2760 TRACE(":got %s\n", debugstr_a(buf_start));
2761 MSVCRT__unlock_file(file);
2762 return buf_start;
2763 }
2764
2765 /*********************************************************************
2766 * fgetwc (MSVCRT.@)
2767 *
2768 * In MSVCRT__O_TEXT mode, multibyte characters are read from the file, dropping
2769 * the CR from CR/LF combinations
2770 */
2771 MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
2772 {
2773 int c;
2774
2775 MSVCRT__lock_file(file);
2776 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT))
2777 {
2778 MSVCRT_wchar_t wc;
2779 unsigned int i;
2780 int j;
2781 char *chp, *wcp;
2782 wcp = (char *)&wc;
2783 for(i=0; i<sizeof(wc); i++)
2784 {
2785 if (file->_cnt>0)
2786 {
2787 file->_cnt--;
2788 chp = file->_ptr++;
2789 wcp[i] = *chp;
2790 }
2791 else
2792 {
2793 j = MSVCRT__filbuf(file);
2794 if(file->_cnt<=0)
2795 {
2796 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2797 file->_cnt = 0;
2798
2799 MSVCRT__unlock_file(file);
2800 return MSVCRT_WEOF;
2801 }
2802 wcp[i] = j;
2803 }
2804 }
2805
2806 MSVCRT__unlock_file(file);
2807 return wc;
2808 }
2809
2810 c = MSVCRT_fgetc(file);
2811 if ((get_locinfo()->mb_cur_max > 1) && MSVCRT_isleadbyte(c))
2812 {
2813 FIXME("Treat Multibyte characters\n");
2814 }
2815
2816 MSVCRT__unlock_file(file);
2817 if (c == MSVCRT_EOF)
2818 return MSVCRT_WEOF;
2819 else
2820 return (MSVCRT_wint_t)c;
2821 }
2822
2823 /*********************************************************************
2824 * _getw (MSVCRT.@)
2825 */
2826 int CDECL MSVCRT__getw(MSVCRT_FILE* file)
2827 {
2828 char *ch;
2829 int i, k;
2830 unsigned int j;
2831 ch = (char *)&i;
2832
2833 MSVCRT__lock_file(file);
2834 for (j=0; j<sizeof(int); j++) {
2835 k = MSVCRT_fgetc(file);
2836 if (k == MSVCRT_EOF) {
2837 file->_flag |= MSVCRT__IOEOF;
2838 MSVCRT__unlock_file(file);
2839 return EOF;
2840 }
2841 ch[j] = k;
2842 }
2843
2844 MSVCRT__unlock_file(file);
2845 return i;
2846 }
2847
2848 /*********************************************************************
2849 * getwc (MSVCRT.@)
2850 */
2851 MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
2852 {
2853 return MSVCRT_fgetwc(file);
2854 }
2855
2856 /*********************************************************************
2857 * _fgetwchar (MSVCRT.@)
2858 */
2859 MSVCRT_wint_t CDECL MSVCRT__fgetwchar(void)
2860 {
2861 return MSVCRT_fgetwc(MSVCRT_stdin);
2862 }
2863
2864 /*********************************************************************
2865 * getwchar (MSVCRT.@)
2866 */
2867 MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
2868 {
2869 return MSVCRT__fgetwchar();
2870 }
2871
2872 /*********************************************************************
2873 * fgetws (MSVCRT.@)
2874 */
2875 MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
2876 {
2877 int cc = MSVCRT_WEOF;
2878 MSVCRT_wchar_t * buf_start = s;
2879
2880 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2881 file,file->_file,s,size);
2882
2883 MSVCRT__lock_file(file);
2884
2885 while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n')
2886 {
2887 *s++ = (char)cc;
2888 size --;
2889 }
2890 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
2891 {
2892 TRACE(":nothing read\n");
2893 MSVCRT__unlock_file(file);
2894 return NULL;
2895 }
2896 if ((cc != MSVCRT_WEOF) && (size > 1))
2897 *s++ = cc;
2898 *s = 0;
2899 TRACE(":got %s\n", debugstr_w(buf_start));
2900 MSVCRT__unlock_file(file);
2901 return buf_start;
2902 }
2903
2904 /*********************************************************************
2905 * fwrite (MSVCRT.@)
2906 */
2907 MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
2908 {
2909 MSVCRT_size_t wrcnt=size * nmemb;
2910 int written = 0;
2911 if (size == 0)
2912 return 0;
2913
2914 MSVCRT__lock_file(file);
2915 if(file->_cnt) {
2916 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
2917 memcpy(file->_ptr, ptr, pcnt);
2918 file->_cnt -= pcnt;
2919 file->_ptr += pcnt;
2920 written = pcnt;
2921 wrcnt -= pcnt;
2922 ptr = (const char*)ptr + pcnt;
2923 } else if(!(file->_flag & MSVCRT__IOWRT)) {
2924 if(file->_flag & MSVCRT__IORW) {
2925 file->_flag |= MSVCRT__IOWRT;
2926 } else {
2927 MSVCRT__unlock_file(file);
2928 return 0;
2929 }
2930 }
2931 if(wrcnt) {
2932 /* Flush buffer */
2933 int res=msvcrt_flush_buffer(file);
2934 if(!res) {
2935 int pwritten = MSVCRT__write(file->_file, ptr, wrcnt);
2936 if (pwritten <= 0)
2937 {
2938 file->_flag |= MSVCRT__IOERR;
2939 pwritten=0;
2940 }
2941 written += pwritten;
2942 }
2943 }
2944
2945 MSVCRT__unlock_file(file);
2946 return written / size;
2947 }
2948
2949 /*********************************************************************
2950 * fputwc (MSVCRT.@)
2951 */
2952 MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
2953 {
2954 MSVCRT_wchar_t mwc=wc;
2955 if (MSVCRT_fwrite( &mwc, sizeof(mwc), 1, file) != 1)
2956 return MSVCRT_WEOF;
2957 return wc;
2958 }
2959
2960 /*********************************************************************
2961 * _fputwchar (MSVCRT.@)
2962 */
2963 MSVCRT_wint_t CDECL MSVCRT__fputwchar(MSVCRT_wint_t wc)
2964 {
2965 return MSVCRT_fputwc(wc, MSVCRT_stdout);
2966 }
2967
2968 /*********************************************************************
2969 * _wfsopen (MSVCRT.@)
2970 */
2971 MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
2972 {
2973 MSVCRT_FILE* file;
2974 int open_flags, stream_flags, fd;
2975
2976 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
2977
2978 /* map mode string to open() flags. "man fopen" for possibilities. */
2979 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
2980 return NULL;
2981
2982 LOCK_FILES();
2983 fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
2984 if (fd < 0)
2985 file = NULL;
2986 else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
2987 != -1)
2988 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
2989 else if (file)
2990 {
2991 file->_flag = 0;
2992 file = NULL;
2993 }
2994
2995 TRACE(":got (%p)\n",file);
2996 if (fd >= 0 && !file)
2997 MSVCRT__close(fd);
2998 UNLOCK_FILES();
2999 return file;
3000 }
3001
3002 /*********************************************************************
3003 * _fsopen (MSVCRT.@)
3004 */
3005 MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
3006 {
3007 MSVCRT_FILE *ret;
3008 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3009
3010 if (path && !(pathW = msvcrt_wstrdupa(path))) {
3011 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3012 *MSVCRT__errno() = MSVCRT_EINVAL;
3013 return NULL;
3014 }
3015 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3016 {
3017 MSVCRT_free(pathW);
3018 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3019 *MSVCRT__errno() = MSVCRT_EINVAL;
3020 return NULL;
3021 }
3022
3023 ret = MSVCRT__wfsopen(pathW, modeW, share);
3024
3025 MSVCRT_free(pathW);
3026 MSVCRT_free(modeW);
3027 return ret;
3028 }
3029
3030 /*********************************************************************
3031 * fopen (MSVCRT.@)
3032 */
3033 MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
3034 {
3035 return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
3036 }
3037
3038 /*********************************************************************
3039 * fopen_s (MSVCRT.@)
3040 */
3041 int CDECL MSVCRT_fopen_s(MSVCRT_FILE** pFile,
3042 const char *filename, const char *mode)
3043 {
3044 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
3045 !MSVCRT_CHECK_PMT(mode != NULL)) {
3046 *MSVCRT__errno() = MSVCRT_EINVAL;
3047 return MSVCRT_EINVAL;
3048 }
3049
3050 *pFile = MSVCRT_fopen(filename, mode);
3051
3052 if(!*pFile)
3053 return *MSVCRT__errno();
3054 return 0;
3055 }
3056
3057 /*********************************************************************
3058 * _wfopen (MSVCRT.@)
3059 */
3060 MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
3061 {
3062 return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
3063 }
3064
3065 /*********************************************************************
3066 * _wfopen_s (MSVCRT.@)
3067 */
3068 int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename,
3069 const MSVCRT_wchar_t *mode)
3070 {
3071 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
3072 !MSVCRT_CHECK_PMT(mode != NULL)) {
3073 *MSVCRT__errno() = MSVCRT_EINVAL;
3074 return MSVCRT_EINVAL;
3075 }
3076
3077 *pFile = MSVCRT__wfopen(filename, mode);
3078
3079 if(!*pFile)
3080 return *MSVCRT__errno();
3081 return 0;
3082 }
3083
3084 /* MSVCRT_fputc calls MSVCRT__flsbuf which calls MSVCRT_fputc */
3085 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file);
3086
3087 /*********************************************************************
3088 * fputc (MSVCRT.@)
3089 */
3090 int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
3091 {
3092 int res;
3093
3094 MSVCRT__lock_file(file);
3095 if(file->_cnt>0) {
3096 *file->_ptr++=c;
3097 file->_cnt--;
3098 if (c == '\n')
3099 {
3100 res = msvcrt_flush_buffer(file);
3101 MSVCRT__unlock_file(file);
3102 return res ? res : c;
3103 }
3104 else {
3105 MSVCRT__unlock_file(file);
3106 return c & 0xff;
3107 }
3108 } else {
3109 res = MSVCRT__flsbuf(c, file);
3110 MSVCRT__unlock_file(file);
3111 return res;
3112 }
3113 }
3114
3115 /*********************************************************************
3116 * _flsbuf (MSVCRT.@)
3117 */
3118 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
3119 {
3120 MSVCRT__lock_file(file);
3121
3122 /* Flush output buffer */
3123 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
3124 msvcrt_alloc_buffer(file);
3125 }
3126 if(!(file->_flag & MSVCRT__IOWRT)) {
3127 if(file->_flag & MSVCRT__IORW) {
3128 file->_flag |= MSVCRT__IOWRT;
3129 } else {
3130 MSVCRT__unlock_file(file);
3131 return MSVCRT_EOF;
3132 }
3133 }
3134 if(file->_bufsiz) {
3135 int res=msvcrt_flush_buffer(file);
3136 if(!res)
3137 res = MSVCRT_fputc(c, file);
3138 MSVCRT__unlock_file(file);
3139 return res;
3140 } else {
3141 unsigned char cc=c;
3142 int len;
3143 /* set _cnt to 0 for unbuffered FILEs */
3144 file->_cnt = 0;
3145 len = MSVCRT__write(file->_file, &cc, 1);
3146 if (len == 1) {
3147 MSVCRT__unlock_file(file);
3148 return c & 0xff;
3149 }
3150 file->_flag |= MSVCRT__IOERR;
3151 MSVCRT__unlock_file(file);
3152 return MSVCRT_EOF;
3153 }
3154 }
3155
3156 /*********************************************************************
3157 * _fputchar (MSVCRT.@)
3158 */
3159 int CDECL MSVCRT__fputchar(int c)
3160 {
3161 return MSVCRT_fputc(c, MSVCRT_stdout);
3162 }
3163
3164 /*********************************************************************
3165 * fread (MSVCRT.@)
3166 */
3167 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3168 {
3169 MSVCRT_size_t rcnt=size * nmemb;
3170 MSVCRT_size_t read=0;
3171 int pread=0;
3172
3173 if(!rcnt)
3174 return 0;
3175
3176 MSVCRT__lock_file(file);
3177
3178 /* first buffered data */
3179 if(file->_cnt>0) {
3180 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
3181 memcpy(ptr, file->_ptr, pcnt);
3182 file->_cnt -= pcnt;
3183 file->_ptr += pcnt;
3184 read += pcnt ;
3185 rcnt -= pcnt ;
3186 ptr = (char*)ptr + pcnt;
3187 } else if(!(file->_flag & MSVCRT__IOREAD )) {
3188 if(file->_flag & MSVCRT__IORW) {
3189 file->_flag |= MSVCRT__IOREAD;
3190 } else {
3191 MSVCRT__unlock_file(file);
3192 return 0;
3193 }
3194 }
3195 while(rcnt>0)
3196 {
3197 int i;
3198 /* Fill the buffer on small reads.
3199 * TODO: Use a better buffering strategy.
3200 */
3201 if (!file->_cnt && size*nmemb <= MSVCRT_BUFSIZ/2 && !(file->_flag & MSVCRT__IONBF)) {
3202 if (file->_bufsiz == 0) {
3203 msvcrt_alloc_buffer(file);
3204 }
3205 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
3206 file->_ptr = file->_base;
3207 i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
3208 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
3209 if (i > 0 && i < file->_cnt) {
3210 msvcrt_get_ioinfo(file->_file)->wxflag &= ~WX_ATEOF;
3211 file->_flag &= ~MSVCRT__IOEOF;
3212 }
3213 if (i > 0) {
3214 memcpy(ptr, file->_ptr, i);
3215 file->_cnt -= i;
3216 file->_ptr += i;
3217 }
3218 } else {
3219 i = MSVCRT__read(file->_file,ptr, rcnt);
3220 }
3221 pread += i;
3222 rcnt -= i;
3223 ptr = (char *)ptr+i;
3224 /* expose feof condition in the flags
3225 * MFC tests file->_flag for feof, and doesn't call feof())
3226 */
3227 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_ATEOF)
3228 file->_flag |= MSVCRT__IOEOF;
3229 else if (i == -1)
3230 {
3231 file->_flag |= MSVCRT__IOERR;
3232 pread = 0;
3233 rcnt = 0;
3234 }
3235 if (i < 1) break;
3236 }
3237 read+=pread;
3238 MSVCRT__unlock_file(file);
3239 return read / size;
3240 }
3241
3242 /*********************************************************************
3243 * _wfreopen (MSVCRT.@)
3244 *
3245 */
3246 MSVCRT_FILE* CDECL MSVCRT__wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
3247 {
3248 int open_flags, stream_flags, fd;
3249
3250 TRACE(":path (%p) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file->_file);
3251
3252 LOCK_FILES();
3253 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
3254 file = NULL;
3255 else
3256 {
3257 MSVCRT_fclose(file);
3258 /* map mode string to open() flags. "man fopen" for possibilities. */
3259 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
3260 file = NULL;
3261 else
3262 {
3263 fd = MSVCRT__wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
3264 if (fd < 0)
3265 file = NULL;
3266 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
3267 {
3268 file->_flag = 0;
3269 WARN(":failed-last error (%d)\n",GetLastError());
3270 msvcrt_set_errno(GetLastError());
3271 file = NULL;
3272 }
3273 }
3274 }
3275 UNLOCK_FILES();
3276 return file;
3277 }
3278
3279 /*********************************************************************
3280 * freopen (MSVCRT.@)
3281 *
3282 */
3283 MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
3284 {
3285 MSVCRT_FILE *ret;
3286 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3287
3288 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
3289 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3290 {
3291 MSVCRT_free(pathW);
3292 return NULL;
3293 }
3294
3295 ret = MSVCRT__wfreopen(pathW, modeW, file);
3296
3297 MSVCRT_free(pathW);
3298 MSVCRT_free(modeW);
3299 return ret;
3300 }
3301
3302 /*********************************************************************
3303 * fsetpos (MSVCRT.@)
3304 */
3305 int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3306 {
3307 int ret;
3308
3309 MSVCRT__lock_file(file);
3310 /* Note that all this has been lifted 'as is' from fseek */
3311 if(file->_flag & MSVCRT__IOWRT)
3312 msvcrt_flush_buffer(file);
3313
3314 /* Discard buffered input */
3315 file->_cnt = 0;
3316 file->_ptr = file->_base;
3317
3318 /* Reset direction of i/o */
3319 if(file->_flag & MSVCRT__IORW) {
3320 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
3321 }
3322
3323 ret = (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
3324 MSVCRT__unlock_file(file);
3325 return ret;
3326 }
3327
3328 /*********************************************************************
3329 * _ftelli64 (MSVCRT.@)
3330 */
3331 __int64 CDECL MSVCRT__ftelli64(MSVCRT_FILE* file)
3332 {
3333 /* TODO: just call fgetpos and return lower half of result */
3334 int off=0;
3335 __int64 pos;
3336
3337 MSVCRT__lock_file(file);
3338 pos = _telli64(file->_file);
3339 if(pos == -1) {
3340 MSVCRT__unlock_file(file);
3341 return -1;
3342 }
3343 if(file->_bufsiz) {
3344 if( file->_flag & MSVCRT__IOWRT ) {
3345 off = file->_ptr - file->_base;
3346 } else {
3347 off = -file->_cnt;
3348 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3349 /* Black magic correction for CR removal */
3350 int i;
3351 for (i=0; i<file->_cnt; i++) {
3352 if (file->_ptr[i] == '\n')
3353 off--;
3354 }
3355 /* Black magic when reading CR at buffer boundary*/
3356 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
3357 off--;
3358 }
3359 }
3360 }
3361
3362 MSVCRT__unlock_file(file);
3363 return off + pos;
3364 }
3365
3366 /*********************************************************************
3367 * ftell (MSVCRT.@)
3368 */
3369 LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
3370 {
3371 return MSVCRT__ftelli64(file);
3372 }
3373
3374 /*********************************************************************
3375 * fgetpos (MSVCRT.@)
3376 */
3377 int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3378 {
3379 int off=0;
3380
3381 MSVCRT__lock_file(file);
3382 *pos = MSVCRT__lseeki64(file->_file,0,SEEK_CUR);
3383 if(*pos == -1) {
3384 MSVCRT__unlock_file(file);
3385 return -1;
3386 }
3387 if(file->_bufsiz) {
3388 if( file->_flag & MSVCRT__IOWRT ) {
3389 off = file->_ptr - file->_base;
3390 } else {
3391 off = -file->_cnt;
3392 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3393 /* Black magic correction for CR removal */
3394 int i;
3395 for (i=0; i<file->_cnt; i++) {
3396 if (file->_ptr[i] == '\n')
3397 off--;
3398 }
3399 /* Black magic when reading CR at buffer boundary*/
3400 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
3401 off--;
3402 }
3403 }
3404 }
3405 *pos += off;
3406 MSVCRT__unlock_file(file);
3407 return 0;
3408 }
3409
3410 /*********************************************************************
3411 * fputs (MSVCRT.@)
3412 */
3413 int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
3414 {
3415 MSVCRT_size_t i, len = strlen(s);
3416 int ret;
3417
3418 MSVCRT__lock_file(file);
3419 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3420 ret = MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
3421 MSVCRT__unlock_file(file);
3422 return ret;
3423 }
3424 for (i=0; i<len; i++)
3425 if (MSVCRT_fputc(s[i], file) == MSVCRT_EOF) {
3426 MSVCRT__unlock_file(file);
3427 return MSVCRT_EOF;
3428 }
3429
3430 MSVCRT__unlock_file(file);
3431 return 0;
3432 }
3433
3434 /*********************************************************************
3435 * fputws (MSVCRT.@)
3436 */
3437 int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
3438 {
3439 MSVCRT_size_t i, len = strlenW(s);
3440 int ret;
3441
3442 MSVCRT__lock_file(file);
3443 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3444 ret = MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
3445 MSVCRT__unlock_file(file);
3446 return ret;
3447 }
3448 for (i=0; i<len; i++) {
3449 if (((s[i] == '\n') && (MSVCRT_fputc('\r', file) == MSVCRT_EOF))
3450 || MSVCRT_fputwc(s[i], file) == MSVCRT_WEOF) {
3451 MSVCRT__unlock_file(file);
3452 return MSVCRT_WEOF;
3453 }
3454 }
3455
3456 MSVCRT__unlock_file(file);
3457 return 0;
3458 }
3459
3460 /*********************************************************************
3461 * getchar (MSVCRT.@)
3462 */
3463 int CDECL MSVCRT_getchar(void)
3464 {
3465 return MSVCRT_fgetc(MSVCRT_stdin);
3466 }
3467
3468 /*********************************************************************
3469 * getc (MSVCRT.@)
3470 */
3471 int CDECL MSVCRT_getc(MSVCRT_FILE* file)
3472 {
3473 return MSVCRT_fgetc(file);
3474 }
3475
3476 /*********************************************************************
3477 * gets (MSVCRT.@)
3478 */
3479 char * CDECL MSVCRT_gets(char *buf)
3480 {
3481 int cc;
3482 char * buf_start = buf;
3483
3484 MSVCRT__lock_file(MSVCRT_stdin);
3485 for(cc = MSVCRT_fgetc(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
3486 cc = MSVCRT_fgetc(MSVCRT_stdin))
3487 if(cc != '\r') *buf++ = (char)cc;
3488
3489 *buf = '\0';
3490
3491 TRACE("got '%s'\n", buf_start);
3492 MSVCRT__unlock_file(MSVCRT_stdin);
3493 return buf_start;
3494 }
3495
3496 /*********************************************************************
3497 * _getws (MSVCRT.@)
3498 */
3499 MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
3500 {
3501 MSVCRT_wint_t cc;
3502 MSVCRT_wchar_t* ws = buf;
3503
3504 MSVCRT__lock_file(MSVCRT_stdin);
3505 for (cc = MSVCRT_fgetwc(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
3506 cc = MSVCRT_fgetwc(MSVCRT_stdin))
3507 {
3508 if (cc != '\r')
3509 *buf++ = (MSVCRT_wchar_t)cc;
3510 }
3511 *buf = '\0';
3512
3513 TRACE("got %s\n", debugstr_w(ws));
3514 MSVCRT__unlock_file(MSVCRT_stdin);
3515 return ws;
3516 }
3517
3518 /*********************************************************************
3519 * putc (MSVCRT.@)
3520 */
3521 int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
3522 {
3523 return MSVCRT_fputc(c, file);
3524 }
3525
3526 /*********************************************************************
3527 * putchar (MSVCRT.@)
3528 */
3529 int CDECL MSVCRT_putchar(int c)
3530 {
3531 return MSVCRT_fputc(c, MSVCRT_stdout);
3532 }
3533
3534 /*********************************************************************
3535 * _putwch (MSVCRT.@)
3536 */
3537 int CDECL MSVCRT__putwch(int c)
3538 {
3539 return MSVCRT_fputwc(c, MSVCRT_stdout);
3540 }
3541
3542 /*********************************************************************
3543 * puts (MSVCRT.@)
3544 */
3545 int CDECL MSVCRT_puts(const char *s)
3546 {
3547 MSVCRT_size_t len = strlen(s);
3548 int ret;
3549
3550 MSVCRT__lock_file(MSVCRT_stdout);
3551 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
3552 MSVCRT__unlock_file(MSVCRT_stdout);
3553 return MSVCRT_EOF;
3554 }
3555
3556 ret = MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3557 MSVCRT__unlock_file(MSVCRT_stdout);
3558 return ret;
3559 }
3560
3561 /*********************************************************************
3562 * _putws (MSVCRT.@)
3563 */
3564 int CDECL MSVCRT__putws(const MSVCRT_wchar_t *s)
3565 {
3566 static const MSVCRT_wchar_t nl = '\n';
3567 MSVCRT_size_t len = strlenW(s);
3568 int ret;
3569
3570 MSVCRT__lock_file(MSVCRT_stdout);
3571 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
3572 MSVCRT__unlock_file(MSVCRT_stdout);
3573 return MSVCRT_EOF;
3574 }
3575
3576 ret = MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3577 MSVCRT__unlock_file(MSVCRT_stdout);
3578 return ret;
3579 }
3580
3581 /*********************************************************************
3582 * remove (MSVCRT.@)
3583 */
3584 int CDECL MSVCRT_remove(const char *path)
3585 {
3586 TRACE("(%s)\n",path);
3587 if (DeleteFileA(path))
3588 return 0;
3589 TRACE(":failed (%d)\n",GetLastError());
3590 msvcrt_set_errno(GetLastError());
3591 return -1;
3592 }
3593
3594 /*********************************************************************
3595 * _wremove (MSVCRT.@)
3596 */
3597 int CDECL MSVCRT__wremove(const MSVCRT_wchar_t *path)
3598 {
3599 TRACE("(%s)\n",debugstr_w(path));
3600 if (DeleteFileW(path))
3601 return 0;
3602 TRACE(":failed (%d)\n",GetLastError());
3603 msvcrt_set_errno(GetLastError());
3604 return -1;
3605 }
3606
3607 /*********************************************************************
3608 * rename (MSVCRT.@)
3609 */
3610 int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
3611 {
3612 TRACE(":from %s to %s\n",oldpath,newpath);
3613 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3614 return 0;
3615 TRACE(":failed (%d)\n",GetLastError());
3616 msvcrt_set_errno(GetLastError());
3617 return -1;
3618 }
3619
3620 /*********************************************************************
3621 * _wrename (MSVCRT.@)
3622 */
3623 int CDECL MSVCRT__wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
3624 {
3625 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
3626 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3627 return 0;
3628 TRACE(":failed (%d)\n",GetLastError());
3629 msvcrt_set_errno(GetLastError());
3630 return -1;
3631 }
3632
3633 /*********************************************************************
3634 * setvbuf (MSVCRT.@)
3635 */
3636 int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
3637 {
3638 MSVCRT__lock_file(file);
3639 if(file->_bufsiz) {
3640 MSVCRT_free(file->_base);
3641 file->_bufsiz = 0;
3642 file->_cnt = 0;
3643 }
3644 if(mode == MSVCRT__IOFBF) {
3645 file->_flag &= ~MSVCRT__IONBF;
3646 file->_base = file->_ptr = buf;
3647 if(buf) {
3648 file->_bufsiz = size;
3649 }
3650 } else {
3651 file->_flag |= MSVCRT__IONBF;
3652 }
3653 MSVCRT__unlock_file(file);
3654 return 0;
3655 }
3656
3657 /*********************************************************************
3658 * setbuf (MSVCRT.@)
3659 */
3660 void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
3661 {
3662 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
3663 }
3664
3665 /*********************************************************************
3666 * tmpnam (MSVCRT.@)
3667 */
3668 char * CDECL MSVCRT_tmpnam(char *s)
3669 {
3670 char tmpstr[16];
3671 char *p;
3672 int count, size;
3673
3674 if (!s) {
3675 thread_data_t *data = msvcrt_get_thread_data();
3676
3677 if(!data->tmpnam_buffer)
3678 data->tmpnam_buffer = MSVCRT_malloc(MAX_PATH);
3679
3680 s = data->tmpnam_buffer;
3681 }
3682
3683 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
3684 p = s + sprintf(s, "\\s%s.", tmpstr);
3685 for (count = 0; count < MSVCRT_TMP_MAX; count++)
3686 {
3687 size = msvcrt_int_to_base32(tmpnam_unique++, tmpstr);
3688 memcpy(p, tmpstr, size);
3689 p[size] = '\0';
3690 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
3691 GetLastError() == ERROR_FILE_NOT_FOUND)
3692 break;
3693 }
3694 return s;
3695 }
3696
3697 /*********************************************************************
3698 * _wtmpnam (MSVCRT.@)
3699 */
3700 MSVCRT_wchar_t * CDECL MSVCRT_wtmpnam(MSVCRT_wchar_t *s)
3701 {
3702 static const MSVCRT_wchar_t format[] = {'\\','s','%','s','.',0};
3703 MSVCRT_wchar_t tmpstr[16];
3704 MSVCRT_wchar_t *p;
3705 int count, size;
3706 if (!s) {
3707 thread_data_t *data = msvcrt_get_thread_data();
3708
3709 if(!data->wtmpnam_buffer)
3710 data->wtmpnam_buffer = MSVCRT_malloc(sizeof(MSVCRT_wchar_t[MAX_PATH]));
3711
3712 s = data->wtmpnam_buffer;
3713 }
3714
3715 msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr);
3716 p = s + MSVCRT__snwprintf(s, MAX_PATH, format, tmpstr);
3717 for (count = 0; count < MSVCRT_TMP_MAX; count++)
3718 {
3719 size = msvcrt_int_to_base32_w(tmpnam_unique++, tmpstr);
3720 memcpy(p, tmpstr, size*sizeof(MSVCRT_wchar_t));
3721 p[size] = '\0';
3722 if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
3723 GetLastError() == ERROR_FILE_NOT_FOUND)
3724 break;
3725 }
3726 return s;
3727 }
3728
3729 /*********************************************************************
3730 * tmpfile (MSVCRT.@)
3731 */
3732 MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
3733 {
3734 char *filename = MSVCRT_tmpnam(NULL);
3735 int fd;
3736 MSVCRT_FILE* file = NULL;
3737
3738 LOCK_FILES();
3739 fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY);
3740 if (fd != -1 && (file = msvcrt_alloc_fp()))
3741 {
3742 if (msvcrt_init_fp(file, fd, MSVCRT__O_RDWR) == -1)
3743 {
3744 file->_flag = 0;
3745 file = NULL;
3746 }
3747 else file->_tmpfname = MSVCRT__strdup(filename);
3748 }
3749 UNLOCK_FILES();
3750 return file;
3751 }
3752
3753 static int puts_clbk_file_a(void *file, int len, const char *str)
3754 {
3755 return MSVCRT_fwrite(str, sizeof(char), len, file);
3756 }
3757
3758 static int puts_clbk_file_w(void *file, int len, const MSVCRT_wchar_t *str)
3759 {
3760 return MSVCRT_fwrite(str, sizeof(MSVCRT_wchar_t), len, file);
3761 }
3762
3763 /*********************************************************************
3764 * vfprintf (MSVCRT.@)
3765 */
3766 int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
3767 {
3768 int ret;
3769
3770 MSVCRT__lock_file(file);
3771 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
3772 MSVCRT__unlock_file(file);
3773
3774 return ret;
3775 }
3776
3777 /*********************************************************************
3778 * vfprintf_s (MSVCRT.@)
3779 */
3780 int CDECL MSVCRT_vfprintf_s(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
3781 {
3782 int ret;
3783
3784 if(!MSVCRT_CHECK_PMT(file != NULL)) {
3785 *MSVCRT__errno() = MSVCRT_EINVAL;
3786 return -1;
3787 }
3788
3789 MSVCRT__lock_file(file);
3790 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
3791 MSVCRT__unlock_file(file);
3792
3793 return ret;
3794 }
3795
3796 /*********************************************************************
3797 * vfwprintf (MSVCRT.@)
3798 */
3799 int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
3800 {
3801 int ret;
3802
3803 MSVCRT__lock_file(file);
3804 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
3805 MSVCRT__unlock_file(file);
3806
3807 return ret;
3808 }
3809
3810 /*********************************************************************
3811 * vfwprintf_s (MSVCRT.@)
3812 */
3813 int CDECL MSVCRT_vfwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
3814 {
3815 int ret;
3816
3817 if(!MSVCRT_CHECK_PMT( file != NULL)) {
3818 *MSVCRT__errno() = MSVCRT_EINVAL;
3819 return -1;
3820 }
3821
3822 MSVCRT__lock_file(file);
3823 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
3824 MSVCRT__unlock_file(file);
3825
3826 return ret;
3827 }
3828
3829 /*********************************************************************
3830 * vprintf (MSVCRT.@)
3831 */
3832 int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
3833 {
3834 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
3835 }
3836
3837 /*********************************************************************
3838 * vprintf_s (MSVCRT.@)
3839 */
3840 int CDECL MSVCRT_vprintf_s(const char *format, __ms_va_list valist)
3841 {
3842 return MSVCRT_vfprintf_s(MSVCRT_stdout,format,valist);
3843 }
3844
3845 /*********************************************************************
3846 * vwprintf (MSVCRT.@)
3847 */
3848 int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
3849 {
3850 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
3851 }
3852
3853 /*********************************************************************
3854 * vwprintf_s (MSVCRT.@)
3855 */
3856 int CDECL MSVCRT_vwprintf_s(const MSVCRT_wchar_t *format, __ms_va_list valist)
3857 {
3858 return MSVCRT_vfwprintf_s(MSVCRT_stdout,format,valist);
3859 }
3860
3861 /*********************************************************************
3862 * fprintf (MSVCRT.@)
3863 */
3864 int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
3865 {
3866 __ms_va_list valist;
3867 int res;
3868 __ms_va_start(valist, format);
3869 res = MSVCRT_vfprintf(file, format, valist);
3870 __ms_va_end(valist);
3871 return res;
3872 }
3873
3874 /*********************************************************************
3875 * fprintf_s (MSVCRT.@)
3876 */
3877 int CDECL MSVCRT_fprintf_s(MSVCRT_FILE* file, const char *format, ...)
3878 {
3879 __ms_va_list valist;
3880 int res;
3881 __ms_va_start(valist, format);
3882 res = MSVCRT_vfprintf_s(file, format, valist);
3883 __ms_va_end(valist);
3884 return res;
3885 }
3886
3887 /*********************************************************************
3888 * fwprintf (MSVCRT.@)
3889 */
3890 int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
3891 {
3892 __ms_va_list valist;
3893 int res;
3894 __ms_va_start(valist, format);
3895 res = MSVCRT_vfwprintf(file, format, valist);
3896 __ms_va_end(valist);
3897 return res;
3898 }
3899
3900 /*********************************************************************
3901 * fwprintf_s (MSVCRT.@)
3902 */
3903 int CDECL MSVCRT_fwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
3904 {
3905 __ms_va_list valist;
3906 int res;
3907 __ms_va_start(valist, format);
3908 res = MSVCRT_vfwprintf_s(file, format, valist);
3909 __ms_va_end(valist);
3910 return res;
3911 }
3912
3913 /*********************************************************************
3914 * printf (MSVCRT.@)
3915 */
3916 int CDECL MSVCRT_printf(const char *format, ...)
3917 {
3918 __ms_va_list valist;
3919 int res;
3920 __ms_va_start(valist, format);
3921 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
3922 __ms_va_end(valist);
3923 return res;
3924 }
3925
3926 /*********************************************************************
3927 * printf_s (MSVCRT.@)
3928 */
3929 int CDECL MSVCRT_printf_s(const char *format, ...)
3930 {
3931 __ms_va_list valist;
3932 int res;
3933 __ms_va_start(valist, format);
3934 res = MSVCRT_vprintf_s(format, valist);
3935 __ms_va_end(valist);
3936 return res;
3937 }
3938
3939 /*********************************************************************
3940 * ungetc (MSVCRT.@)
3941 */
3942 int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
3943 {
3944 if (c == MSVCRT_EOF)
3945 return MSVCRT_EOF;
3946
3947 MSVCRT__lock_file(file);
3948 if(file->_bufsiz == 0) {
3949 msvcrt_alloc_buffer(file);
3950 file->_ptr++;
3951 }
3952 if(file->_ptr>file->_base) {
3953 file->_ptr--;
3954 *file->_ptr=c;
3955 file->_cnt++;
3956 MSVCRT_clearerr(file);
3957 MSVCRT__unlock_file(file);
3958 return c;
3959 }
3960
3961 MSVCRT__unlock_file(file);
3962 return MSVCRT_EOF;
3963 }
3964
3965 /*********************************************************************
3966 * ungetwc (MSVCRT.@)
3967 */
3968 MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
3969 {
3970 MSVCRT_wchar_t mwc = wc;
3971 char * pp = (char *)&mwc;
3972 int i;
3973
3974 MSVCRT__lock_file(file);
3975 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
3976 if(pp[i] != MSVCRT_ungetc(pp[i],file)) {
3977 MSVCRT__unlock_file(file);
3978 return MSVCRT_WEOF;
3979 }
3980 }
3981
3982 MSVCRT__unlock_file(file);
3983 return mwc;
3984 }
3985
3986 /*********************************************************************
3987 * wprintf (MSVCRT.@)
3988 */
3989 int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
3990 {
3991 __ms_va_list valist;
3992 int res;
3993 __ms_va_start(valist, format);
3994 res = MSVCRT_vwprintf(format, valist);
3995 __ms_va_end(valist);
3996 return res;
3997 }
3998
3999 /*********************************************************************
4000 * wprintf_s (MSVCRT.@)
4001 */
4002 int CDECL MSVCRT_wprintf_s(const MSVCRT_wchar_t *format, ...)
4003 {
4004 __ms_va_list valist;
4005 int res;
4006 __ms_va_start(valist, format);
4007 res = MSVCRT_vwprintf_s(format, valist);
4008 __ms_va_end(valist);
4009 return res;
4010 }
4011
4012 /*********************************************************************
4013 * _getmaxstdio (MSVCRT.@)
4014 */
4015 int CDECL MSVCRT__getmaxstdio(void)
4016 {
4017 return MSVCRT_max_streams;
4018 }
4019
4020 /*********************************************************************
4021 * _setmaxstdio (MSVCRT.@)
4022 */
4023 int CDECL MSVCRT__setmaxstdio(int newmax)
4024 {
4025 TRACE("%d\n", newmax);
4026
4027 if(newmax<_IOB_ENTRIES || newmax>MSVCRT_MAX_FILES || newmax<MSVCRT_stream_idx)
4028 return -1;
4029
4030 MSVCRT_max_streams = newmax;
4031 return MSVCRT_max_streams;
4032 }
Maarten's multimedia branch