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wine.inf: Create a fake dll for the 32-bit iexplore on Wow64.
[wine/multimedia.git] / dlls / msvcrt / file.c
blobf1af1b7abda1be65603850bf85b240d66b857ac0
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 64
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 [64]
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 FIXME("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 InitializeCriticalSection(&((file_crit*)file)->crit);
383
384 TRACE(":got FILE* (%p)\n",file);
385 return 0;
386 }
387
388 /* INTERNAL: Create an inheritance data block (for spawned process)
389 * The inheritance block is made of:
390 * 00 int nb of file descriptor (NBFD)
391 * 04 char file flags (wxflag): repeated for each fd
392 * 4+NBFD HANDLE file handle: repeated for each fd
393 */
394 unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block)
395 {
396 int fd;
397 char* wxflag_ptr;
398 HANDLE* handle_ptr;
399 ioinfo* fdinfo;
400
401 *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
402 *block = MSVCRT_calloc(*size, 1);
403 if (!*block)
404 {
405 *size = 0;
406 return FALSE;
407 }
408 wxflag_ptr = (char*)*block + sizeof(unsigned);
409 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
410
411 *(unsigned*)*block = MSVCRT_fdend;
412 for (fd = 0; fd < MSVCRT_fdend; fd++)
413 {
414 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
415 fdinfo = msvcrt_get_ioinfo(fd);
416 if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
417 {
418 *wxflag_ptr = fdinfo->wxflag;
419 *handle_ptr = fdinfo->handle;
420 }
421 else
422 {
423 *wxflag_ptr = 0;
424 *handle_ptr = INVALID_HANDLE_VALUE;
425 }
426 wxflag_ptr++; handle_ptr++;
427 }
428 return TRUE;
429 }
430
431 /* INTERNAL: Set up all file descriptors,
432 * as well as default streams (stdin, stderr and stdout)
433 */
434 void msvcrt_init_io(void)
435 {
436 STARTUPINFOA si;
437 int i;
438 ioinfo *fdinfo;
439
440 InitializeCriticalSection(&MSVCRT_file_cs);
441 MSVCRT_file_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs");
442 GetStartupInfoA(&si);
443 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
444 {
445 BYTE* wxflag_ptr;
446 HANDLE* handle_ptr;
447 unsigned int count;
448
449 count = *(unsigned*)si.lpReserved2;
450 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
451 handle_ptr = (HANDLE*)(wxflag_ptr + count);
452
453 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
454 count = min(count, MSVCRT_MAX_FILES);
455 for (i = 0; i < count; i++)
456 {
457 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
458 msvcrt_alloc_fd_from(*handle_ptr, *wxflag_ptr, i);
459
460 wxflag_ptr++; handle_ptr++;
461 }
462 MSVCRT_fdend = max( 3, count );
463 for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
464 if (msvcrt_get_ioinfo(MSVCRT_fdstart)->handle == INVALID_HANDLE_VALUE) break;
465 }
466
467 if(!MSVCRT___pioinfo[0])
468 msvcrt_alloc_fd_from(INVALID_HANDLE_VALUE, 0, 3);
469
470 fdinfo = msvcrt_get_ioinfo(0);
471 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
472 {
473 HANDLE std = GetStdHandle(STD_INPUT_HANDLE);
474 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
475 GetCurrentProcess(), &fdinfo->handle,
476 0, TRUE, DUPLICATE_SAME_ACCESS))
477 fdinfo->wxflag = WX_OPEN | WX_TEXT;
478 }
479
480 fdinfo = msvcrt_get_ioinfo(1);
481 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
482 {
483 HANDLE std = GetStdHandle(STD_OUTPUT_HANDLE);
484 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
485 GetCurrentProcess(), &fdinfo->handle,
486 0, TRUE, DUPLICATE_SAME_ACCESS))
487 fdinfo->wxflag = WX_OPEN | WX_TEXT;
488 }
489
490 fdinfo = msvcrt_get_ioinfo(2);
491 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
492 {
493 HANDLE std = GetStdHandle(STD_ERROR_HANDLE);
494 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
495 GetCurrentProcess(), &fdinfo->handle,
496 0, TRUE, DUPLICATE_SAME_ACCESS))
497 fdinfo->wxflag = WX_OPEN | WX_TEXT;
498 }
499
500 TRACE(":handles (%p)(%p)(%p)\n", msvcrt_get_ioinfo(0)->handle,
501 msvcrt_get_ioinfo(1)->handle, msvcrt_get_ioinfo(2)->handle);
502
503 memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
504 for (i = 0; i < 3; i++)
505 {
506 /* FILE structs for stdin/out/err are static and never deleted */
507 MSVCRT__iob[i]._file = i;
508 MSVCRT__iob[i]._tmpfname = NULL;
509 MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
510 }
511 MSVCRT_stream_idx = 3;
512 }
513
514 /* INTERNAL: Flush stdio file buffer */
515 static int msvcrt_flush_buffer(MSVCRT_FILE* file)
516 {
517 if(file->_bufsiz) {
518 int cnt=file->_ptr-file->_base;
519 if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) {
520 file->_flag |= MSVCRT__IOERR;
521 return MSVCRT_EOF;
522 }
523 file->_ptr=file->_base;
524 file->_cnt=file->_bufsiz;
525 }
526 return 0;
527 }
528
529 /* INTERNAL: Allocate stdio file buffer */
530 static void msvcrt_alloc_buffer(MSVCRT_FILE* file)
531 {
532 file->_base = MSVCRT_calloc(MSVCRT_BUFSIZ,1);
533 if(file->_base) {
534 file->_bufsiz = MSVCRT_BUFSIZ;
535 file->_flag |= MSVCRT__IOMYBUF;
536 } else {
537 file->_base = (char*)(&file->_charbuf);
538 /* put here 2 ??? */
539 file->_bufsiz = sizeof(file->_charbuf);
540 }
541 file->_ptr = file->_base;
542 file->_cnt = 0;
543 }
544
545 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
546 static int msvcrt_int_to_base32(int num, char *str)
547 {
548 char *p;
549 int n = num;
550 int digits = 0;
551
552 while (n != 0)
553 {
554 n >>= 5;
555 digits++;
556 }
557 p = str + digits;
558 *p = 0;
559 while (--p >= str)
560 {
561 *p = (num & 31) + '0';
562 if (*p > '9')
563 *p += ('a' - '0' - 10);
564 num >>= 5;
565 }
566
567 return digits;
568 }
569
570 /* INTERNAL: wide character version of msvcrt_int_to_base32 */
571 static int msvcrt_int_to_base32_w(int num, MSVCRT_wchar_t *str)
572 {
573 MSVCRT_wchar_t *p;
574 int n = num;
575 int digits = 0;
576
577 while (n != 0)
578 {
579 n >>= 5;
580 digits++;
581 }
582 p = str + digits;
583 *p = 0;
584 while (--p >= str)
585 {
586 *p = (num & 31) + '0';
587 if (*p > '9')
588 *p += ('a' - '0' - 10);
589 num >>= 5;
590 }
591
592 return digits;
593 }
594
595 /*********************************************************************
596 * __iob_func(MSVCRT.@)
597 */
598 MSVCRT_FILE * CDECL MSVCRT___iob_func(void)
599 {
600 return &MSVCRT__iob[0];
601 }
602
603 /*********************************************************************
604 * _access (MSVCRT.@)
605 */
606 int CDECL MSVCRT__access(const char *filename, int mode)
607 {
608 DWORD attr = GetFileAttributesA(filename);
609
610 TRACE("(%s,%d) %d\n",filename,mode,attr);
611
612 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
613 {
614 msvcrt_set_errno(GetLastError());
615 return -1;
616 }
617 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
618 {
619 msvcrt_set_errno(ERROR_ACCESS_DENIED);
620 return -1;
621 }
622 return 0;
623 }
624
625 /*********************************************************************
626 * _access_s (MSVCRT.@)
627 */
628 int CDECL _access_s(const char *filename, int mode)
629 {
630 if (!MSVCRT_CHECK_PMT(filename != NULL) ||
631 !MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0))
632 {
633 *MSVCRT__errno() = MSVCRT_EINVAL;
634 return -1;
635 }
636
637 return MSVCRT__access(filename, mode);
638 }
639
640 /*********************************************************************
641 * _waccess (MSVCRT.@)
642 */
643 int CDECL MSVCRT__waccess(const MSVCRT_wchar_t *filename, int mode)
644 {
645 DWORD attr = GetFileAttributesW(filename);
646
647 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
648
649 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
650 {
651 msvcrt_set_errno(GetLastError());
652 return -1;
653 }
654 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
655 {
656 msvcrt_set_errno(ERROR_ACCESS_DENIED);
657 return -1;
658 }
659 return 0;
660 }
661
662 /*********************************************************************
663 * _waccess_s (MSVCRT.@)
664 */
665 int CDECL _waccess_s(const MSVCRT_wchar_t *filename, int mode)
666 {
667 if (!MSVCRT_CHECK_PMT(filename != NULL) ||
668 !MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0))
669 {
670 *MSVCRT__errno() = MSVCRT_EINVAL;
671 return -1;
672 }
673
674 return MSVCRT__waccess(filename, mode);
675 }
676
677 /*********************************************************************
678 * _chmod (MSVCRT.@)
679 */
680 int CDECL MSVCRT__chmod(const char *path, int flags)
681 {
682 DWORD oldFlags = GetFileAttributesA(path);
683
684 if (oldFlags != INVALID_FILE_ATTRIBUTES)
685 {
686 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
687 oldFlags | FILE_ATTRIBUTE_READONLY;
688
689 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
690 return 0;
691 }
692 msvcrt_set_errno(GetLastError());
693 return -1;
694 }
695
696 /*********************************************************************
697 * _wchmod (MSVCRT.@)
698 */
699 int CDECL MSVCRT__wchmod(const MSVCRT_wchar_t *path, int flags)
700 {
701 DWORD oldFlags = GetFileAttributesW(path);
702
703 if (oldFlags != INVALID_FILE_ATTRIBUTES)
704 {
705 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
706 oldFlags | FILE_ATTRIBUTE_READONLY;
707
708 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
709 return 0;
710 }
711 msvcrt_set_errno(GetLastError());
712 return -1;
713 }
714
715 /*********************************************************************
716 * _unlink (MSVCRT.@)
717 */
718 int CDECL MSVCRT__unlink(const char *path)
719 {
720 TRACE("%s\n",debugstr_a(path));
721 if(DeleteFileA(path))
722 return 0;
723 TRACE("failed (%d)\n",GetLastError());
724 msvcrt_set_errno(GetLastError());
725 return -1;
726 }
727
728 /*********************************************************************
729 * _wunlink (MSVCRT.@)
730 */
731 int CDECL MSVCRT__wunlink(const MSVCRT_wchar_t *path)
732 {
733 TRACE("(%s)\n",debugstr_w(path));
734 if(DeleteFileW(path))
735 return 0;
736 TRACE("failed (%d)\n",GetLastError());
737 msvcrt_set_errno(GetLastError());
738 return -1;
739 }
740
741 /* _flushall calls MSVCRT_fflush which calls _flushall */
742 int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
743
744 /*********************************************************************
745 * _flushall (MSVCRT.@)
746 */
747 int CDECL MSVCRT__flushall(void)
748 {
749 int i, num_flushed = 0;
750 MSVCRT_FILE *file;
751
752 LOCK_FILES();
753 for (i = 3; i < MSVCRT_stream_idx; i++) {
754 file = msvcrt_get_file(i);
755
756 if (file->_flag)
757 {
758 if(file->_flag & MSVCRT__IOWRT) {
759 MSVCRT_fflush(file);
760 num_flushed++;
761 }
762 }
763 }
764 UNLOCK_FILES();
765
766 TRACE(":flushed (%d) handles\n",num_flushed);
767 return num_flushed;
768 }
769
770 /*********************************************************************
771 * fflush (MSVCRT.@)
772 */
773 int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
774 {
775 if(!file) {
776 MSVCRT__flushall();
777 } else if(file->_flag & MSVCRT__IOWRT) {
778 int res;
779
780 MSVCRT__lock_file(file);
781 res = msvcrt_flush_buffer(file);
782 MSVCRT__unlock_file(file);
783
784 return res;
785 }
786 return 0;
787 }
788
789 /*********************************************************************
790 * _close (MSVCRT.@)
791 */
792 int CDECL MSVCRT__close(int fd)
793 {
794 HANDLE hand;
795 int ret;
796
797 LOCK_FILES();
798 hand = msvcrt_fdtoh(fd);
799 TRACE(":fd (%d) handle (%p)\n",fd,hand);
800 if (hand == INVALID_HANDLE_VALUE)
801 ret = -1;
802 else if (!CloseHandle(hand))
803 {
804 WARN(":failed-last error (%d)\n",GetLastError());
805 msvcrt_set_errno(GetLastError());
806 ret = -1;
807 }
808 else
809 {
810 msvcrt_free_fd(fd);
811 ret = 0;
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 DeleteCriticalSection(&((file_crit*)file)->crit);
2615
2616 if(file == msvcrt_get_file(MSVCRT_stream_idx-1)) {
2617 while(MSVCRT_stream_idx>3 && !file->_flag) {
2618 MSVCRT_stream_idx--;
2619 file = msvcrt_get_file(MSVCRT_stream_idx-1);
2620 }
2621 }
2622
2623 return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
2624 }
2625
2626 /*********************************************************************
2627 * feof (MSVCRT.@)
2628 */
2629 int CDECL MSVCRT_feof(MSVCRT_FILE* file)
2630 {
2631 int ret;
2632
2633 MSVCRT__lock_file(file);
2634 ret = file->_flag & MSVCRT__IOEOF;
2635 MSVCRT__unlock_file(file);
2636
2637 return ret;
2638 }
2639
2640 /*********************************************************************
2641 * ferror (MSVCRT.@)
2642 */
2643 int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
2644 {
2645 int ret;
2646
2647 MSVCRT__lock_file(file);
2648 ret = file->_flag & MSVCRT__IOERR;
2649 MSVCRT__unlock_file(file);
2650
2651 return ret;
2652 }
2653
2654 /*********************************************************************
2655 * _filbuf (MSVCRT.@)
2656 */
2657 int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
2658 {
2659 unsigned char c;
2660 MSVCRT__lock_file(file);
2661
2662 /* Allocate buffer if needed */
2663 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF))
2664 msvcrt_alloc_buffer(file);
2665
2666 if(!(file->_flag & MSVCRT__IOREAD)) {
2667 if(file->_flag & MSVCRT__IORW)
2668 file->_flag |= MSVCRT__IOREAD;
2669 else {
2670 MSVCRT__unlock_file(file);
2671 return MSVCRT_EOF;
2672 }
2673 }
2674
2675 if(file->_flag & MSVCRT__IONBF) {
2676 int r;
2677 if ((r = read_i(file->_file,&c,1)) != 1) {
2678 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2679 MSVCRT__unlock_file(file);
2680 return MSVCRT_EOF;
2681 }
2682
2683 MSVCRT__unlock_file(file);
2684 return c;
2685 } else {
2686 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
2687 if(file->_cnt<=0) {
2688 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2689 file->_cnt = 0;
2690 MSVCRT__unlock_file(file);
2691 return MSVCRT_EOF;
2692 }
2693
2694 file->_cnt--;
2695 file->_ptr = file->_base+1;
2696 c = *(unsigned char *)file->_base;
2697 MSVCRT__unlock_file(file);
2698 return c;
2699 }
2700 }
2701
2702 /*********************************************************************
2703 * fgetc (MSVCRT.@)
2704 */
2705 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
2706 {
2707 unsigned char *i;
2708 unsigned int j;
2709
2710 MSVCRT__lock_file(file);
2711 if (file->_cnt>0) {
2712 file->_cnt--;
2713 i = (unsigned char *)file->_ptr++;
2714 j = *i;
2715 } else
2716 j = MSVCRT__filbuf(file);
2717
2718 MSVCRT__unlock_file(file);
2719 return j;
2720 }
2721
2722 /*********************************************************************
2723 * _fgetchar (MSVCRT.@)
2724 */
2725 int CDECL MSVCRT__fgetchar(void)
2726 {
2727 return MSVCRT_fgetc(MSVCRT_stdin);
2728 }
2729
2730 /*********************************************************************
2731 * fgets (MSVCRT.@)
2732 */
2733 char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
2734 {
2735 int cc = MSVCRT_EOF;
2736 char * buf_start = s;
2737
2738 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2739 file,file->_file,s,size);
2740
2741 MSVCRT__lock_file(file);
2742
2743 while ((size >1) && (cc = MSVCRT_fgetc(file)) != MSVCRT_EOF && cc != '\n')
2744 {
2745 *s++ = (char)cc;
2746 size --;
2747 }
2748 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
2749 {
2750 TRACE(":nothing read\n");
2751 MSVCRT__unlock_file(file);
2752 return NULL;
2753 }
2754 if ((cc != MSVCRT_EOF) && (size > 1))
2755 *s++ = cc;
2756 *s = '\0';
2757 TRACE(":got %s\n", debugstr_a(buf_start));
2758 MSVCRT__unlock_file(file);
2759 return buf_start;
2760 }
2761
2762 /*********************************************************************
2763 * fgetwc (MSVCRT.@)
2764 *
2765 * In MSVCRT__O_TEXT mode, multibyte characters are read from the file, dropping
2766 * the CR from CR/LF combinations
2767 */
2768 MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
2769 {
2770 int c;
2771
2772 MSVCRT__lock_file(file);
2773 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT))
2774 {
2775 MSVCRT_wchar_t wc;
2776 unsigned int i;
2777 int j;
2778 char *chp, *wcp;
2779 wcp = (char *)&wc;
2780 for(i=0; i<sizeof(wc); i++)
2781 {
2782 if (file->_cnt>0)
2783 {
2784 file->_cnt--;
2785 chp = file->_ptr++;
2786 wcp[i] = *chp;
2787 }
2788 else
2789 {
2790 j = MSVCRT__filbuf(file);
2791 if(file->_cnt<=0)
2792 {
2793 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2794 file->_cnt = 0;
2795
2796 MSVCRT__unlock_file(file);
2797 return MSVCRT_WEOF;
2798 }
2799 wcp[i] = j;
2800 }
2801 }
2802
2803 MSVCRT__unlock_file(file);
2804 return wc;
2805 }
2806
2807 c = MSVCRT_fgetc(file);
2808 if ((get_locinfo()->mb_cur_max > 1) && MSVCRT_isleadbyte(c))
2809 {
2810 FIXME("Treat Multibyte characters\n");
2811 }
2812
2813 MSVCRT__unlock_file(file);
2814 if (c == MSVCRT_EOF)
2815 return MSVCRT_WEOF;
2816 else
2817 return (MSVCRT_wint_t)c;
2818 }
2819
2820 /*********************************************************************
2821 * _getw (MSVCRT.@)
2822 */
2823 int CDECL MSVCRT__getw(MSVCRT_FILE* file)
2824 {
2825 char *ch;
2826 int i, k;
2827 unsigned int j;
2828 ch = (char *)&i;
2829
2830 MSVCRT__lock_file(file);
2831 for (j=0; j<sizeof(int); j++) {
2832 k = MSVCRT_fgetc(file);
2833 if (k == MSVCRT_EOF) {
2834 file->_flag |= MSVCRT__IOEOF;
2835 MSVCRT__unlock_file(file);
2836 return EOF;
2837 }
2838 ch[j] = k;
2839 }
2840
2841 MSVCRT__unlock_file(file);
2842 return i;
2843 }
2844
2845 /*********************************************************************
2846 * getwc (MSVCRT.@)
2847 */
2848 MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
2849 {
2850 return MSVCRT_fgetwc(file);
2851 }
2852
2853 /*********************************************************************
2854 * _fgetwchar (MSVCRT.@)
2855 */
2856 MSVCRT_wint_t CDECL MSVCRT__fgetwchar(void)
2857 {
2858 return MSVCRT_fgetwc(MSVCRT_stdin);
2859 }
2860
2861 /*********************************************************************
2862 * getwchar (MSVCRT.@)
2863 */
2864 MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
2865 {
2866 return MSVCRT__fgetwchar();
2867 }
2868
2869 /*********************************************************************
2870 * fgetws (MSVCRT.@)
2871 */
2872 MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
2873 {
2874 int cc = MSVCRT_WEOF;
2875 MSVCRT_wchar_t * buf_start = s;
2876
2877 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2878 file,file->_file,s,size);
2879
2880 MSVCRT__lock_file(file);
2881
2882 while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n')
2883 {
2884 *s++ = (char)cc;
2885 size --;
2886 }
2887 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
2888 {
2889 TRACE(":nothing read\n");
2890 MSVCRT__unlock_file(file);
2891 return NULL;
2892 }
2893 if ((cc != MSVCRT_WEOF) && (size > 1))
2894 *s++ = cc;
2895 *s = 0;
2896 TRACE(":got %s\n", debugstr_w(buf_start));
2897 MSVCRT__unlock_file(file);
2898 return buf_start;
2899 }
2900
2901 /*********************************************************************
2902 * fwrite (MSVCRT.@)
2903 */
2904 MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
2905 {
2906 MSVCRT_size_t wrcnt=size * nmemb;
2907 int written = 0;
2908 if (size == 0)
2909 return 0;
2910
2911 MSVCRT__lock_file(file);
2912 if(file->_cnt) {
2913 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
2914 memcpy(file->_ptr, ptr, pcnt);
2915 file->_cnt -= pcnt;
2916 file->_ptr += pcnt;
2917 written = pcnt;
2918 wrcnt -= pcnt;
2919 ptr = (const char*)ptr + pcnt;
2920 } else if(!(file->_flag & MSVCRT__IOWRT)) {
2921 if(file->_flag & MSVCRT__IORW) {
2922 file->_flag |= MSVCRT__IOWRT;
2923 } else {
2924 MSVCRT__unlock_file(file);
2925 return 0;
2926 }
2927 }
2928 if(wrcnt) {
2929 /* Flush buffer */
2930 int res=msvcrt_flush_buffer(file);
2931 if(!res) {
2932 int pwritten = MSVCRT__write(file->_file, ptr, wrcnt);
2933 if (pwritten <= 0)
2934 {
2935 file->_flag |= MSVCRT__IOERR;
2936 pwritten=0;
2937 }
2938 written += pwritten;
2939 }
2940 }
2941
2942 MSVCRT__unlock_file(file);
2943 return written / size;
2944 }
2945
2946 /*********************************************************************
2947 * fputwc (MSVCRT.@)
2948 */
2949 MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
2950 {
2951 MSVCRT_wchar_t mwc=wc;
2952 if (MSVCRT_fwrite( &mwc, sizeof(mwc), 1, file) != 1)
2953 return MSVCRT_WEOF;
2954 return wc;
2955 }
2956
2957 /*********************************************************************
2958 * _fputwchar (MSVCRT.@)
2959 */
2960 MSVCRT_wint_t CDECL MSVCRT__fputwchar(MSVCRT_wint_t wc)
2961 {
2962 return MSVCRT_fputwc(wc, MSVCRT_stdout);
2963 }
2964
2965 /*********************************************************************
2966 * _wfsopen (MSVCRT.@)
2967 */
2968 MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
2969 {
2970 MSVCRT_FILE* file;
2971 int open_flags, stream_flags, fd;
2972
2973 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
2974
2975 /* map mode string to open() flags. "man fopen" for possibilities. */
2976 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
2977 return NULL;
2978
2979 LOCK_FILES();
2980 fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
2981 if (fd < 0)
2982 file = NULL;
2983 else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
2984 != -1)
2985 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
2986 else if (file)
2987 {
2988 file->_flag = 0;
2989 file = NULL;
2990 }
2991
2992 TRACE(":got (%p)\n",file);
2993 if (fd >= 0 && !file)
2994 MSVCRT__close(fd);
2995 UNLOCK_FILES();
2996 return file;
2997 }
2998
2999 /*********************************************************************
3000 * _fsopen (MSVCRT.@)
3001 */
3002 MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
3003 {
3004 MSVCRT_FILE *ret;
3005 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3006
3007 if (path && !(pathW = msvcrt_wstrdupa(path))) {
3008 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3009 *MSVCRT__errno() = MSVCRT_EINVAL;
3010 return NULL;
3011 }
3012 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3013 {
3014 MSVCRT_free(pathW);
3015 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3016 *MSVCRT__errno() = MSVCRT_EINVAL;
3017 return NULL;
3018 }
3019
3020 ret = MSVCRT__wfsopen(pathW, modeW, share);
3021
3022 MSVCRT_free(pathW);
3023 MSVCRT_free(modeW);
3024 return ret;
3025 }
3026
3027 /*********************************************************************
3028 * fopen (MSVCRT.@)
3029 */
3030 MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
3031 {
3032 return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
3033 }
3034
3035 /*********************************************************************
3036 * fopen_s (MSVCRT.@)
3037 */
3038 int CDECL MSVCRT_fopen_s(MSVCRT_FILE** pFile,
3039 const char *filename, const char *mode)
3040 {
3041 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
3042 !MSVCRT_CHECK_PMT(mode != NULL)) {
3043 *MSVCRT__errno() = MSVCRT_EINVAL;
3044 return MSVCRT_EINVAL;
3045 }
3046
3047 *pFile = MSVCRT_fopen(filename, mode);
3048
3049 if(!*pFile)
3050 return *MSVCRT__errno();
3051 return 0;
3052 }
3053
3054 /*********************************************************************
3055 * _wfopen (MSVCRT.@)
3056 */
3057 MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
3058 {
3059 return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
3060 }
3061
3062 /*********************************************************************
3063 * _wfopen_s (MSVCRT.@)
3064 */
3065 int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename,
3066 const MSVCRT_wchar_t *mode)
3067 {
3068 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
3069 !MSVCRT_CHECK_PMT(mode != NULL)) {
3070 *MSVCRT__errno() = MSVCRT_EINVAL;
3071 return MSVCRT_EINVAL;
3072 }
3073
3074 *pFile = MSVCRT__wfopen(filename, mode);
3075
3076 if(!*pFile)
3077 return *MSVCRT__errno();
3078 return 0;
3079 }
3080
3081 /* MSVCRT_fputc calls MSVCRT__flsbuf which calls MSVCRT_fputc */
3082 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file);
3083
3084 /*********************************************************************
3085 * fputc (MSVCRT.@)
3086 */
3087 int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
3088 {
3089 int res;
3090
3091 MSVCRT__lock_file(file);
3092 if(file->_cnt>0) {
3093 *file->_ptr++=c;
3094 file->_cnt--;
3095 if (c == '\n')
3096 {
3097 res = msvcrt_flush_buffer(file);
3098 MSVCRT__unlock_file(file);
3099 return res ? res : c;
3100 }
3101 else {
3102 MSVCRT__unlock_file(file);
3103 return c & 0xff;
3104 }
3105 } else {
3106 res = MSVCRT__flsbuf(c, file);
3107 MSVCRT__unlock_file(file);
3108 return res;
3109 }
3110 }
3111
3112 /*********************************************************************
3113 * _flsbuf (MSVCRT.@)
3114 */
3115 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
3116 {
3117 MSVCRT__lock_file(file);
3118
3119 /* Flush output buffer */
3120 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
3121 msvcrt_alloc_buffer(file);
3122 }
3123 if(!(file->_flag & MSVCRT__IOWRT)) {
3124 if(file->_flag & MSVCRT__IORW) {
3125 file->_flag |= MSVCRT__IOWRT;
3126 } else {
3127 MSVCRT__unlock_file(file);
3128 return MSVCRT_EOF;
3129 }
3130 }
3131 if(file->_bufsiz) {
3132 int res=msvcrt_flush_buffer(file);
3133 if(!res)
3134 res = MSVCRT_fputc(c, file);
3135 MSVCRT__unlock_file(file);
3136 return res;
3137 } else {
3138 unsigned char cc=c;
3139 int len;
3140 /* set _cnt to 0 for unbuffered FILEs */
3141 file->_cnt = 0;
3142 len = MSVCRT__write(file->_file, &cc, 1);
3143 if (len == 1) {
3144 MSVCRT__unlock_file(file);
3145 return c & 0xff;
3146 }
3147 file->_flag |= MSVCRT__IOERR;
3148 MSVCRT__unlock_file(file);
3149 return MSVCRT_EOF;
3150 }
3151 }
3152
3153 /*********************************************************************
3154 * _fputchar (MSVCRT.@)
3155 */
3156 int CDECL MSVCRT__fputchar(int c)
3157 {
3158 return MSVCRT_fputc(c, MSVCRT_stdout);
3159 }
3160
3161 /*********************************************************************
3162 * fread (MSVCRT.@)
3163 */
3164 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3165 {
3166 MSVCRT_size_t rcnt=size * nmemb;
3167 MSVCRT_size_t read=0;
3168 int pread=0;
3169
3170 if(!rcnt)
3171 return 0;
3172
3173 MSVCRT__lock_file(file);
3174
3175 /* first buffered data */
3176 if(file->_cnt>0) {
3177 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
3178 memcpy(ptr, file->_ptr, pcnt);
3179 file->_cnt -= pcnt;
3180 file->_ptr += pcnt;
3181 read += pcnt ;
3182 rcnt -= pcnt ;
3183 ptr = (char*)ptr + pcnt;
3184 } else if(!(file->_flag & MSVCRT__IOREAD )) {
3185 if(file->_flag & MSVCRT__IORW) {
3186 file->_flag |= MSVCRT__IOREAD;
3187 } else {
3188 MSVCRT__unlock_file(file);
3189 return 0;
3190 }
3191 }
3192 while(rcnt>0)
3193 {
3194 int i;
3195 /* Fill the buffer on small reads.
3196 * TODO: Use a better buffering strategy.
3197 */
3198 if (!file->_cnt && size*nmemb <= MSVCRT_BUFSIZ/2 && !(file->_flag & MSVCRT__IONBF)) {
3199 if (file->_bufsiz == 0) {
3200 msvcrt_alloc_buffer(file);
3201 }
3202 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
3203 file->_ptr = file->_base;
3204 i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
3205 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
3206 if (i > 0 && i < file->_cnt) {
3207 msvcrt_get_ioinfo(file->_file)->wxflag &= ~WX_ATEOF;
3208 file->_flag &= ~MSVCRT__IOEOF;
3209 }
3210 if (i > 0) {
3211 memcpy(ptr, file->_ptr, i);
3212 file->_cnt -= i;
3213 file->_ptr += i;
3214 }
3215 } else {
3216 i = MSVCRT__read(file->_file,ptr, rcnt);
3217 }
3218 pread += i;
3219 rcnt -= i;
3220 ptr = (char *)ptr+i;
3221 /* expose feof condition in the flags
3222 * MFC tests file->_flag for feof, and doesn't call feof())
3223 */
3224 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_ATEOF)
3225 file->_flag |= MSVCRT__IOEOF;
3226 else if (i == -1)
3227 {
3228 file->_flag |= MSVCRT__IOERR;
3229 pread = 0;
3230 rcnt = 0;
3231 }
3232 if (i < 1) break;
3233 }
3234 read+=pread;
3235 MSVCRT__unlock_file(file);
3236 return read / size;
3237 }
3238
3239 /*********************************************************************
3240 * _wfreopen (MSVCRT.@)
3241 *
3242 */
3243 MSVCRT_FILE* CDECL MSVCRT__wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
3244 {
3245 int open_flags, stream_flags, fd;
3246
3247 TRACE(":path (%p) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file->_file);
3248
3249 LOCK_FILES();
3250 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
3251 file = NULL;
3252 else
3253 {
3254 MSVCRT_fclose(file);
3255 /* map mode string to open() flags. "man fopen" for possibilities. */
3256 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
3257 file = NULL;
3258 else
3259 {
3260 fd = MSVCRT__wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
3261 if (fd < 0)
3262 file = NULL;
3263 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
3264 {
3265 file->_flag = 0;
3266 WARN(":failed-last error (%d)\n",GetLastError());
3267 msvcrt_set_errno(GetLastError());
3268 file = NULL;
3269 }
3270 }
3271 }
3272 UNLOCK_FILES();
3273 return file;
3274 }
3275
3276 /*********************************************************************
3277 * freopen (MSVCRT.@)
3278 *
3279 */
3280 MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
3281 {
3282 MSVCRT_FILE *ret;
3283 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3284
3285 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
3286 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3287 {
3288 MSVCRT_free(pathW);
3289 return NULL;
3290 }
3291
3292 ret = MSVCRT__wfreopen(pathW, modeW, file);
3293
3294 MSVCRT_free(pathW);
3295 MSVCRT_free(modeW);
3296 return ret;
3297 }
3298
3299 /*********************************************************************
3300 * fsetpos (MSVCRT.@)
3301 */
3302 int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3303 {
3304 int ret;
3305
3306 MSVCRT__lock_file(file);
3307 /* Note that all this has been lifted 'as is' from fseek */
3308 if(file->_flag & MSVCRT__IOWRT)
3309 msvcrt_flush_buffer(file);
3310
3311 /* Discard buffered input */
3312 file->_cnt = 0;
3313 file->_ptr = file->_base;
3314
3315 /* Reset direction of i/o */
3316 if(file->_flag & MSVCRT__IORW) {
3317 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
3318 }
3319
3320 ret = (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
3321 MSVCRT__unlock_file(file);
3322 return ret;
3323 }
3324
3325 /*********************************************************************
3326 * _ftelli64 (MSVCRT.@)
3327 */
3328 __int64 CDECL MSVCRT__ftelli64(MSVCRT_FILE* file)
3329 {
3330 /* TODO: just call fgetpos and return lower half of result */
3331 int off=0;
3332 __int64 pos;
3333
3334 MSVCRT__lock_file(file);
3335 pos = _telli64(file->_file);
3336 if(pos == -1) {
3337 MSVCRT__unlock_file(file);
3338 return -1;
3339 }
3340 if(file->_bufsiz) {
3341 if( file->_flag & MSVCRT__IOWRT ) {
3342 off = file->_ptr - file->_base;
3343 } else {
3344 off = -file->_cnt;
3345 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3346 /* Black magic correction for CR removal */
3347 int i;
3348 for (i=0; i<file->_cnt; i++) {
3349 if (file->_ptr[i] == '\n')
3350 off--;
3351 }
3352 /* Black magic when reading CR at buffer boundary*/
3353 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
3354 off--;
3355 }
3356 }
3357 }
3358
3359 MSVCRT__unlock_file(file);
3360 return off + pos;
3361 }
3362
3363 /*********************************************************************
3364 * ftell (MSVCRT.@)
3365 */
3366 LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
3367 {
3368 return MSVCRT__ftelli64(file);
3369 }
3370
3371 /*********************************************************************
3372 * fgetpos (MSVCRT.@)
3373 */
3374 int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3375 {
3376 int off=0;
3377
3378 MSVCRT__lock_file(file);
3379 *pos = MSVCRT__lseeki64(file->_file,0,SEEK_CUR);
3380 if(*pos == -1) {
3381 MSVCRT__unlock_file(file);
3382 return -1;
3383 }
3384 if(file->_bufsiz) {
3385 if( file->_flag & MSVCRT__IOWRT ) {
3386 off = file->_ptr - file->_base;
3387 } else {
3388 off = -file->_cnt;
3389 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3390 /* Black magic correction for CR removal */
3391 int i;
3392 for (i=0; i<file->_cnt; i++) {
3393 if (file->_ptr[i] == '\n')
3394 off--;
3395 }
3396 /* Black magic when reading CR at buffer boundary*/
3397 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
3398 off--;
3399 }
3400 }
3401 }
3402 *pos += off;
3403 MSVCRT__unlock_file(file);
3404 return 0;
3405 }
3406
3407 /*********************************************************************
3408 * fputs (MSVCRT.@)
3409 */
3410 int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
3411 {
3412 MSVCRT_size_t i, len = strlen(s);
3413 int ret;
3414
3415 MSVCRT__lock_file(file);
3416 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3417 ret = MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
3418 MSVCRT__unlock_file(file);
3419 return ret;
3420 }
3421 for (i=0; i<len; i++)
3422 if (MSVCRT_fputc(s[i], file) == MSVCRT_EOF) {
3423 MSVCRT__unlock_file(file);
3424 return MSVCRT_EOF;
3425 }
3426
3427 MSVCRT__unlock_file(file);
3428 return 0;
3429 }
3430
3431 /*********************************************************************
3432 * fputws (MSVCRT.@)
3433 */
3434 int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
3435 {
3436 MSVCRT_size_t i, len = strlenW(s);
3437 int ret;
3438
3439 MSVCRT__lock_file(file);
3440 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3441 ret = MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
3442 MSVCRT__unlock_file(file);
3443 return ret;
3444 }
3445 for (i=0; i<len; i++) {
3446 if (((s[i] == '\n') && (MSVCRT_fputc('\r', file) == MSVCRT_EOF))
3447 || MSVCRT_fputwc(s[i], file) == MSVCRT_WEOF) {
3448 MSVCRT__unlock_file(file);
3449 return MSVCRT_WEOF;
3450 }
3451 }
3452
3453 MSVCRT__unlock_file(file);
3454 return 0;
3455 }
3456
3457 /*********************************************************************
3458 * getchar (MSVCRT.@)
3459 */
3460 int CDECL MSVCRT_getchar(void)
3461 {
3462 return MSVCRT_fgetc(MSVCRT_stdin);
3463 }
3464
3465 /*********************************************************************
3466 * getc (MSVCRT.@)
3467 */
3468 int CDECL MSVCRT_getc(MSVCRT_FILE* file)
3469 {
3470 return MSVCRT_fgetc(file);
3471 }
3472
3473 /*********************************************************************
3474 * gets (MSVCRT.@)
3475 */
3476 char * CDECL MSVCRT_gets(char *buf)
3477 {
3478 int cc;
3479 char * buf_start = buf;
3480
3481 MSVCRT__lock_file(MSVCRT_stdin);
3482 for(cc = MSVCRT_fgetc(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
3483 cc = MSVCRT_fgetc(MSVCRT_stdin))
3484 if(cc != '\r') *buf++ = (char)cc;
3485
3486 *buf = '\0';
3487
3488 TRACE("got '%s'\n", buf_start);
3489 MSVCRT__unlock_file(MSVCRT_stdin);
3490 return buf_start;
3491 }
3492
3493 /*********************************************************************
3494 * _getws (MSVCRT.@)
3495 */
3496 MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
3497 {
3498 MSVCRT_wint_t cc;
3499 MSVCRT_wchar_t* ws = buf;
3500
3501 MSVCRT__lock_file(MSVCRT_stdin);
3502 for (cc = MSVCRT_fgetwc(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
3503 cc = MSVCRT_fgetwc(MSVCRT_stdin))
3504 {
3505 if (cc != '\r')
3506 *buf++ = (MSVCRT_wchar_t)cc;
3507 }
3508 *buf = '\0';
3509
3510 TRACE("got %s\n", debugstr_w(ws));
3511 MSVCRT__unlock_file(MSVCRT_stdin);
3512 return ws;
3513 }
3514
3515 /*********************************************************************
3516 * putc (MSVCRT.@)
3517 */
3518 int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
3519 {
3520 return MSVCRT_fputc(c, file);
3521 }
3522
3523 /*********************************************************************
3524 * putchar (MSVCRT.@)
3525 */
3526 int CDECL MSVCRT_putchar(int c)
3527 {
3528 return MSVCRT_fputc(c, MSVCRT_stdout);
3529 }
3530
3531 /*********************************************************************
3532 * _putwch (MSVCRT.@)
3533 */
3534 int CDECL MSVCRT__putwch(int c)
3535 {
3536 return MSVCRT_fputwc(c, MSVCRT_stdout);
3537 }
3538
3539 /*********************************************************************
3540 * puts (MSVCRT.@)
3541 */
3542 int CDECL MSVCRT_puts(const char *s)
3543 {
3544 MSVCRT_size_t len = strlen(s);
3545 int ret;
3546
3547 MSVCRT__lock_file(MSVCRT_stdout);
3548 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
3549 MSVCRT__unlock_file(MSVCRT_stdout);
3550 return MSVCRT_EOF;
3551 }
3552
3553 ret = MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3554 MSVCRT__unlock_file(MSVCRT_stdout);
3555 return ret;
3556 }
3557
3558 /*********************************************************************
3559 * _putws (MSVCRT.@)
3560 */
3561 int CDECL MSVCRT__putws(const MSVCRT_wchar_t *s)
3562 {
3563 static const MSVCRT_wchar_t nl = '\n';
3564 MSVCRT_size_t len = strlenW(s);
3565 int ret;
3566
3567 MSVCRT__lock_file(MSVCRT_stdout);
3568 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
3569 MSVCRT__unlock_file(MSVCRT_stdout);
3570 return MSVCRT_EOF;
3571 }
3572
3573 ret = MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3574 MSVCRT__unlock_file(MSVCRT_stdout);
3575 return ret;
3576 }
3577
3578 /*********************************************************************
3579 * remove (MSVCRT.@)
3580 */
3581 int CDECL MSVCRT_remove(const char *path)
3582 {
3583 TRACE("(%s)\n",path);
3584 if (DeleteFileA(path))
3585 return 0;
3586 TRACE(":failed (%d)\n",GetLastError());
3587 msvcrt_set_errno(GetLastError());
3588 return -1;
3589 }
3590
3591 /*********************************************************************
3592 * _wremove (MSVCRT.@)
3593 */
3594 int CDECL MSVCRT__wremove(const MSVCRT_wchar_t *path)
3595 {
3596 TRACE("(%s)\n",debugstr_w(path));
3597 if (DeleteFileW(path))
3598 return 0;
3599 TRACE(":failed (%d)\n",GetLastError());
3600 msvcrt_set_errno(GetLastError());
3601 return -1;
3602 }
3603
3604 /*********************************************************************
3605 * rename (MSVCRT.@)
3606 */
3607 int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
3608 {
3609 TRACE(":from %s to %s\n",oldpath,newpath);
3610 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3611 return 0;
3612 TRACE(":failed (%d)\n",GetLastError());
3613 msvcrt_set_errno(GetLastError());
3614 return -1;
3615 }
3616
3617 /*********************************************************************
3618 * _wrename (MSVCRT.@)
3619 */
3620 int CDECL MSVCRT__wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
3621 {
3622 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
3623 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3624 return 0;
3625 TRACE(":failed (%d)\n",GetLastError());
3626 msvcrt_set_errno(GetLastError());
3627 return -1;
3628 }
3629
3630 /*********************************************************************
3631 * setvbuf (MSVCRT.@)
3632 */
3633 int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
3634 {
3635 MSVCRT__lock_file(file);
3636 if(file->_bufsiz) {
3637 MSVCRT_free(file->_base);
3638 file->_bufsiz = 0;
3639 file->_cnt = 0;
3640 }
3641 if(mode == MSVCRT__IOFBF) {
3642 file->_flag &= ~MSVCRT__IONBF;
3643 file->_base = file->_ptr = buf;
3644 if(buf) {
3645 file->_bufsiz = size;
3646 }
3647 } else {
3648 file->_flag |= MSVCRT__IONBF;
3649 }
3650 MSVCRT__unlock_file(file);
3651 return 0;
3652 }
3653
3654 /*********************************************************************
3655 * setbuf (MSVCRT.@)
3656 */
3657 void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
3658 {
3659 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
3660 }
3661
3662 /*********************************************************************
3663 * tmpnam (MSVCRT.@)
3664 */
3665 char * CDECL MSVCRT_tmpnam(char *s)
3666 {
3667 char tmpstr[16];
3668 char *p;
3669 int count, size;
3670
3671 if (!s) {
3672 thread_data_t *data = msvcrt_get_thread_data();
3673
3674 if(!data->tmpnam_buffer)
3675 data->tmpnam_buffer = MSVCRT_malloc(MAX_PATH);
3676
3677 s = data->tmpnam_buffer;
3678 }
3679
3680 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
3681 p = s + sprintf(s, "\\s%s.", tmpstr);
3682 for (count = 0; count < MSVCRT_TMP_MAX; count++)
3683 {
3684 size = msvcrt_int_to_base32(tmpnam_unique++, tmpstr);
3685 memcpy(p, tmpstr, size);
3686 p[size] = '\0';
3687 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
3688 GetLastError() == ERROR_FILE_NOT_FOUND)
3689 break;
3690 }
3691 return s;
3692 }
3693
3694 /*********************************************************************
3695 * _wtmpnam (MSVCRT.@)
3696 */
3697 MSVCRT_wchar_t * CDECL MSVCRT_wtmpnam(MSVCRT_wchar_t *s)
3698 {
3699 static const MSVCRT_wchar_t format[] = {'\\','s','%','s','.',0};
3700 MSVCRT_wchar_t tmpstr[16];
3701 MSVCRT_wchar_t *p;
3702 int count, size;
3703 if (!s) {
3704 thread_data_t *data = msvcrt_get_thread_data();
3705
3706 if(!data->wtmpnam_buffer)
3707 data->wtmpnam_buffer = MSVCRT_malloc(sizeof(MSVCRT_wchar_t[MAX_PATH]));
3708
3709 s = data->wtmpnam_buffer;
3710 }
3711
3712 msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr);
3713 p = s + MSVCRT__snwprintf(s, MAX_PATH, format, tmpstr);
3714 for (count = 0; count < MSVCRT_TMP_MAX; count++)
3715 {
3716 size = msvcrt_int_to_base32_w(tmpnam_unique++, tmpstr);
3717 memcpy(p, tmpstr, size*sizeof(MSVCRT_wchar_t));
3718 p[size] = '\0';
3719 if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
3720 GetLastError() == ERROR_FILE_NOT_FOUND)
3721 break;
3722 }
3723 return s;
3724 }
3725
3726 /*********************************************************************
3727 * tmpfile (MSVCRT.@)
3728 */
3729 MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
3730 {
3731 char *filename = MSVCRT_tmpnam(NULL);
3732 int fd;
3733 MSVCRT_FILE* file = NULL;
3734
3735 LOCK_FILES();
3736 fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY);
3737 if (fd != -1 && (file = msvcrt_alloc_fp()))
3738 {
3739 if (msvcrt_init_fp(file, fd, MSVCRT__O_RDWR) == -1)
3740 {
3741 file->_flag = 0;
3742 file = NULL;
3743 }
3744 else file->_tmpfname = MSVCRT__strdup(filename);
3745 }
3746 UNLOCK_FILES();
3747 return file;
3748 }
3749
3750 static int puts_clbk_file_a(void *file, int len, const char *str)
3751 {
3752 return MSVCRT_fwrite(str, sizeof(char), len, file);
3753 }
3754
3755 static int puts_clbk_file_w(void *file, int len, const MSVCRT_wchar_t *str)
3756 {
3757 return MSVCRT_fwrite(str, sizeof(MSVCRT_wchar_t), len, file);
3758 }
3759
3760 /*********************************************************************
3761 * vfprintf (MSVCRT.@)
3762 */
3763 int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
3764 {
3765 int ret;
3766
3767 MSVCRT__lock_file(file);
3768 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
3769 MSVCRT__unlock_file(file);
3770
3771 return ret;
3772 }
3773
3774 /*********************************************************************
3775 * vfprintf_s (MSVCRT.@)
3776 */
3777 int CDECL MSVCRT_vfprintf_s(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
3778 {
3779 int ret;
3780
3781 if(!MSVCRT_CHECK_PMT(file != NULL)) {
3782 *MSVCRT__errno() = MSVCRT_EINVAL;
3783 return -1;
3784 }
3785
3786 MSVCRT__lock_file(file);
3787 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
3788 MSVCRT__unlock_file(file);
3789
3790 return ret;
3791 }
3792
3793 /*********************************************************************
3794 * vfwprintf (MSVCRT.@)
3795 */
3796 int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
3797 {
3798 int ret;
3799
3800 MSVCRT__lock_file(file);
3801 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
3802 MSVCRT__unlock_file(file);
3803
3804 return ret;
3805 }
3806
3807 /*********************************************************************
3808 * vfwprintf_s (MSVCRT.@)
3809 */
3810 int CDECL MSVCRT_vfwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
3811 {
3812 int ret;
3813
3814 if(!MSVCRT_CHECK_PMT( file != NULL)) {
3815 *MSVCRT__errno() = MSVCRT_EINVAL;
3816 return -1;
3817 }
3818
3819 MSVCRT__lock_file(file);
3820 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
3821 MSVCRT__unlock_file(file);
3822
3823 return ret;
3824 }
3825
3826 /*********************************************************************
3827 * vprintf (MSVCRT.@)
3828 */
3829 int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
3830 {
3831 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
3832 }
3833
3834 /*********************************************************************
3835 * vprintf_s (MSVCRT.@)
3836 */
3837 int CDECL MSVCRT_vprintf_s(const char *format, __ms_va_list valist)
3838 {
3839 return MSVCRT_vfprintf_s(MSVCRT_stdout,format,valist);
3840 }
3841
3842 /*********************************************************************
3843 * vwprintf (MSVCRT.@)
3844 */
3845 int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
3846 {
3847 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
3848 }
3849
3850 /*********************************************************************
3851 * vwprintf_s (MSVCRT.@)
3852 */
3853 int CDECL MSVCRT_vwprintf_s(const MSVCRT_wchar_t *format, __ms_va_list valist)
3854 {
3855 return MSVCRT_vfwprintf_s(MSVCRT_stdout,format,valist);
3856 }
3857
3858 /*********************************************************************
3859 * fprintf (MSVCRT.@)
3860 */
3861 int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
3862 {
3863 __ms_va_list valist;
3864 int res;
3865 __ms_va_start(valist, format);
3866 res = MSVCRT_vfprintf(file, format, valist);
3867 __ms_va_end(valist);
3868 return res;
3869 }
3870
3871 /*********************************************************************
3872 * fprintf_s (MSVCRT.@)
3873 */
3874 int CDECL MSVCRT_fprintf_s(MSVCRT_FILE* file, const char *format, ...)
3875 {
3876 __ms_va_list valist;
3877 int res;
3878 __ms_va_start(valist, format);
3879 res = MSVCRT_vfprintf_s(file, format, valist);
3880 __ms_va_end(valist);
3881 return res;
3882 }
3883
3884 /*********************************************************************
3885 * fwprintf (MSVCRT.@)
3886 */
3887 int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
3888 {
3889 __ms_va_list valist;
3890 int res;
3891 __ms_va_start(valist, format);
3892 res = MSVCRT_vfwprintf(file, format, valist);
3893 __ms_va_end(valist);
3894 return res;
3895 }
3896
3897 /*********************************************************************
3898 * fwprintf_s (MSVCRT.@)
3899 */
3900 int CDECL MSVCRT_fwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
3901 {
3902 __ms_va_list valist;
3903 int res;
3904 __ms_va_start(valist, format);
3905 res = MSVCRT_vfwprintf_s(file, format, valist);
3906 __ms_va_end(valist);
3907 return res;
3908 }
3909
3910 /*********************************************************************
3911 * printf (MSVCRT.@)
3912 */
3913 int CDECL MSVCRT_printf(const char *format, ...)
3914 {
3915 __ms_va_list valist;
3916 int res;
3917 __ms_va_start(valist, format);
3918 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
3919 __ms_va_end(valist);
3920 return res;
3921 }
3922
3923 /*********************************************************************
3924 * printf_s (MSVCRT.@)
3925 */
3926 int CDECL MSVCRT_printf_s(const char *format, ...)
3927 {
3928 __ms_va_list valist;
3929 int res;
3930 __ms_va_start(valist, format);
3931 res = MSVCRT_vprintf_s(format, valist);
3932 __ms_va_end(valist);
3933 return res;
3934 }
3935
3936 /*********************************************************************
3937 * ungetc (MSVCRT.@)
3938 */
3939 int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
3940 {
3941 if (c == MSVCRT_EOF)
3942 return MSVCRT_EOF;
3943
3944 MSVCRT__lock_file(file);
3945 if(file->_bufsiz == 0) {
3946 msvcrt_alloc_buffer(file);
3947 file->_ptr++;
3948 }
3949 if(file->_ptr>file->_base) {
3950 file->_ptr--;
3951 *file->_ptr=c;
3952 file->_cnt++;
3953 MSVCRT_clearerr(file);
3954 MSVCRT__unlock_file(file);
3955 return c;
3956 }
3957
3958 MSVCRT__unlock_file(file);
3959 return MSVCRT_EOF;
3960 }
3961
3962 /*********************************************************************
3963 * ungetwc (MSVCRT.@)
3964 */
3965 MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
3966 {
3967 MSVCRT_wchar_t mwc = wc;
3968 char * pp = (char *)&mwc;
3969 int i;
3970
3971 MSVCRT__lock_file(file);
3972 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
3973 if(pp[i] != MSVCRT_ungetc(pp[i],file)) {
3974 MSVCRT__unlock_file(file);
3975 return MSVCRT_WEOF;
3976 }
3977 }
3978
3979 MSVCRT__unlock_file(file);
3980 return mwc;
3981 }
3982
3983 /*********************************************************************
3984 * wprintf (MSVCRT.@)
3985 */
3986 int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
3987 {
3988 __ms_va_list valist;
3989 int res;
3990 __ms_va_start(valist, format);
3991 res = MSVCRT_vwprintf(format, valist);
3992 __ms_va_end(valist);
3993 return res;
3994 }
3995
3996 /*********************************************************************
3997 * wprintf_s (MSVCRT.@)
3998 */
3999 int CDECL MSVCRT_wprintf_s(const MSVCRT_wchar_t *format, ...)
4000 {
4001 __ms_va_list valist;
4002 int res;
4003 __ms_va_start(valist, format);
4004 res = MSVCRT_vwprintf_s(format, valist);
4005 __ms_va_end(valist);
4006 return res;
4007 }
4008
4009 /*********************************************************************
4010 * _getmaxstdio (MSVCRT.@)
4011 */
4012 int CDECL MSVCRT__getmaxstdio(void)
4013 {
4014 return MSVCRT_max_streams;
4015 }
4016
4017 /*********************************************************************
4018 * _setmaxstdio (MSVCRT.@)
4019 */
4020 int CDECL MSVCRT__setmaxstdio(int newmax)
4021 {
4022 TRACE("%d\n", newmax);
4023
4024 if(newmax<_IOB_ENTRIES || newmax>MSVCRT_MAX_FILES || newmax<MSVCRT_stream_idx)
4025 return -1;
4026
4027 MSVCRT_max_streams = newmax;
4028 return MSVCRT_max_streams;
4029 }
Maarten's multimedia branch