?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
msvcp71: Added iterator based basic_string::replace implementation.
[wine/multimedia.git] / dlls / msvcrt / file.c
blobc07ae306b90e5d026eb3c5ff243ce64b067bd485
1 /*
2 * msvcrt.dll file functions
3 *
4 * Copyright 1996,1998 Marcus Meissner
5 * Copyright 1996 Jukka Iivonen
6 * Copyright 1997,2000 Uwe Bonnes
7 * Copyright 2000 Jon Griffiths
8 * Copyright 2004 Eric Pouech
9 * Copyright 2004 Juan Lang
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 *
25 * TODO
26 * Use the file flag hints O_SEQUENTIAL, O_RANDOM, O_SHORT_LIVED
27 */
28
29 #include "config.h"
30 #include "wine/port.h"
31
32 #include <time.h>
33 #include <stdarg.h>
34 #include <stdio.h>
35 #ifdef HAVE_UNISTD_H
36 # include <unistd.h>
37 #endif
38 #include <sys/types.h>
39
40 #include "windef.h"
41 #include "winbase.h"
42 #include "winternl.h"
43 #include "msvcrt.h"
44 #include "mtdll.h"
45
46 #include "wine/unicode.h"
47
48 #include "wine/debug.h"
49
50 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
51
52 /* for stat mode, permissions apply to all,owner and group */
53 #define ALL_S_IREAD (MSVCRT__S_IREAD | (MSVCRT__S_IREAD >> 3) | (MSVCRT__S_IREAD >> 6))
54 #define ALL_S_IWRITE (MSVCRT__S_IWRITE | (MSVCRT__S_IWRITE >> 3) | (MSVCRT__S_IWRITE >> 6))
55 #define ALL_S_IEXEC (MSVCRT__S_IEXEC | (MSVCRT__S_IEXEC >> 3) | (MSVCRT__S_IEXEC >> 6))
56
57 /* _access() bit flags FIXME: incomplete */
58 #define MSVCRT_W_OK 0x02
59 #define MSVCRT_R_OK 0x04
60
61 /* values for wxflag in file descriptor */
62 #define WX_OPEN 0x01
63 #define WX_ATEOF 0x02
64 #define WX_READEOF 0x04 /* like ATEOF, but for underlying file rather than buffer */
65 #define WX_READCR 0x08 /* underlying file is at \r */
66 #define WX_DONTINHERIT 0x10
67 #define WX_APPEND 0x20
68 #define WX_TEXT 0x80
69
70 /* FIXME: this should be allocated dynamically */
71 #define MSVCRT_MAX_FILES 2048
72 #define MSVCRT_FD_BLOCK_SIZE 32
73
74 /* ioinfo structure size is different in msvcrXX.dll's */
75 typedef struct {
76 HANDLE handle;
77 unsigned char wxflag;
78 char unk1;
79 BOOL crit_init;
80 CRITICAL_SECTION crit;
81 } ioinfo;
82
83 /*********************************************************************
84 * __pioinfo (MSVCRT.@)
85 * array of pointers to ioinfo arrays [32]
86 */
87 ioinfo * MSVCRT___pioinfo[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { 0 };
88
89 /*********************************************************************
90 * __badioinfo (MSVCRT.@)
91 */
92 ioinfo MSVCRT___badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT };
93
94 static int MSVCRT_fdstart = 3; /* first unallocated fd */
95 static int MSVCRT_fdend = 3; /* highest allocated fd */
96
97 typedef struct {
98 MSVCRT_FILE file;
99 CRITICAL_SECTION crit;
100 } file_crit;
101
102 MSVCRT_FILE MSVCRT__iob[_IOB_ENTRIES] = { { 0 } };
103 static file_crit* MSVCRT_fstream[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE];
104 static int MSVCRT_max_streams = 512, MSVCRT_stream_idx;
105
106 /* INTERNAL: process umask */
107 static int MSVCRT_umask = 0;
108
109 /* INTERNAL: static data for tmpnam and _wtmpname functions */
110 static int tmpnam_unique;
111
112 static const unsigned int EXE = 'e' << 16 | 'x' << 8 | 'e';
113 static const unsigned int BAT = 'b' << 16 | 'a' << 8 | 't';
114 static const unsigned int CMD = 'c' << 16 | 'm' << 8 | 'd';
115 static const unsigned int COM = 'c' << 16 | 'o' << 8 | 'm';
116
117 #define TOUL(x) (ULONGLONG)(x)
118 static const ULONGLONG WCEXE = TOUL('e') << 32 | TOUL('x') << 16 | TOUL('e');
119 static const ULONGLONG WCBAT = TOUL('b') << 32 | TOUL('a') << 16 | TOUL('t');
120 static const ULONGLONG WCCMD = TOUL('c') << 32 | TOUL('m') << 16 | TOUL('d');
121 static const ULONGLONG WCCOM = TOUL('c') << 32 | TOUL('o') << 16 | TOUL('m');
122
123 /* This critical section protects the tables MSVCRT___pioinfo and MSVCRT_fstreams,
124 * and their related indexes, MSVCRT_fdstart, MSVCRT_fdend,
125 * and MSVCRT_stream_idx, from race conditions.
126 * It doesn't protect against race conditions manipulating the underlying files
127 * or flags; doing so would probably be better accomplished with per-file
128 * protection, rather than locking the whole table for every change.
129 */
130 static CRITICAL_SECTION MSVCRT_file_cs;
131 static CRITICAL_SECTION_DEBUG MSVCRT_file_cs_debug =
132 {
133 0, 0, &MSVCRT_file_cs,
134 { &MSVCRT_file_cs_debug.ProcessLocksList, &MSVCRT_file_cs_debug.ProcessLocksList },
135 0, 0, { (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs") }
136 };
137 static CRITICAL_SECTION MSVCRT_file_cs = { &MSVCRT_file_cs_debug, -1, 0, 0, 0, 0 };
138 #define LOCK_FILES() do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)
139 #define UNLOCK_FILES() do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)
140
141 static void msvcrt_stat64_to_stat(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat *buf)
142 {
143 buf->st_dev = buf64->st_dev;
144 buf->st_ino = buf64->st_ino;
145 buf->st_mode = buf64->st_mode;
146 buf->st_nlink = buf64->st_nlink;
147 buf->st_uid = buf64->st_uid;
148 buf->st_gid = buf64->st_gid;
149 buf->st_rdev = buf64->st_rdev;
150 buf->st_size = buf64->st_size;
151 buf->st_atime = buf64->st_atime;
152 buf->st_mtime = buf64->st_mtime;
153 buf->st_ctime = buf64->st_ctime;
154 }
155
156 static void msvcrt_stat64_to_stati64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stati64 *buf)
157 {
158 buf->st_dev = buf64->st_dev;
159 buf->st_ino = buf64->st_ino;
160 buf->st_mode = buf64->st_mode;
161 buf->st_nlink = buf64->st_nlink;
162 buf->st_uid = buf64->st_uid;
163 buf->st_gid = buf64->st_gid;
164 buf->st_rdev = buf64->st_rdev;
165 buf->st_size = buf64->st_size;
166 buf->st_atime = buf64->st_atime;
167 buf->st_mtime = buf64->st_mtime;
168 buf->st_ctime = buf64->st_ctime;
169 }
170
171 static void time_to_filetime( MSVCRT___time64_t time, FILETIME *ft )
172 {
173 /* 1601 to 1970 is 369 years plus 89 leap days */
174 static const __int64 secs_1601_to_1970 = ((369 * 365 + 89) * (__int64)86400);
175
176 __int64 ticks = (time + secs_1601_to_1970) * 10000000;
177 ft->dwHighDateTime = ticks >> 32;
178 ft->dwLowDateTime = ticks;
179 }
180
181 static inline ioinfo* msvcrt_get_ioinfo(int fd)
182 {
183 ioinfo *ret = NULL;
184 if(fd < MSVCRT_MAX_FILES)
185 ret = MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE];
186 if(!ret)
187 return &MSVCRT___badioinfo;
188
189 return ret + (fd%MSVCRT_FD_BLOCK_SIZE);
190 }
191
192 static inline MSVCRT_FILE* msvcrt_get_file(int i)
193 {
194 file_crit *ret;
195
196 if(i >= MSVCRT_max_streams)
197 return NULL;
198
199 if(i < _IOB_ENTRIES)
200 return &MSVCRT__iob[i];
201
202 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE];
203 if(!ret) {
204 MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(file_crit));
205 if(!MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE]) {
206 ERR("out of memory\n");
207 *MSVCRT__errno() = MSVCRT_ENOMEM;
208 return NULL;
209 }
210
211 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] + (i%MSVCRT_FD_BLOCK_SIZE);
212 } else
213 ret += i%MSVCRT_FD_BLOCK_SIZE;
214
215 return &ret->file;
216 }
217
218 static inline BOOL msvcrt_is_valid_fd(int fd)
219 {
220 return fd >= 0 && fd < MSVCRT_fdend && (msvcrt_get_ioinfo(fd)->wxflag & WX_OPEN);
221 }
222
223 /* INTERNAL: Get the HANDLE for a fd
224 * This doesn't lock the table, because a failure will result in
225 * INVALID_HANDLE_VALUE being returned, which should be handled correctly. If
226 * it returns a valid handle which is about to be closed, a subsequent call
227 * will fail, most likely in a sane way.
228 */
229 static HANDLE msvcrt_fdtoh(int fd)
230 {
231 if (!msvcrt_is_valid_fd(fd))
232 {
233 WARN(":fd (%d) - no handle!\n",fd);
234 *MSVCRT___doserrno() = 0;
235 *MSVCRT__errno() = MSVCRT_EBADF;
236 return INVALID_HANDLE_VALUE;
237 }
238 if (msvcrt_get_ioinfo(fd)->handle == INVALID_HANDLE_VALUE)
239 WARN("returning INVALID_HANDLE_VALUE for %d\n", fd);
240 return msvcrt_get_ioinfo(fd)->handle;
241 }
242
243 /* INTERNAL: free a file entry fd */
244 static void msvcrt_free_fd(int fd)
245 {
246 HANDLE old_handle;
247 ioinfo *fdinfo;
248
249 LOCK_FILES();
250 fdinfo = msvcrt_get_ioinfo(fd);
251 old_handle = fdinfo->handle;
252 if(fdinfo != &MSVCRT___badioinfo)
253 {
254 fdinfo->handle = INVALID_HANDLE_VALUE;
255 fdinfo->wxflag = 0;
256 }
257 TRACE(":fd (%d) freed\n",fd);
258 if (fd < 3) /* don't use 0,1,2 for user files */
259 {
260 switch (fd)
261 {
262 case 0:
263 if (GetStdHandle(STD_INPUT_HANDLE) == old_handle) SetStdHandle(STD_INPUT_HANDLE, 0);
264 break;
265 case 1:
266 if (GetStdHandle(STD_OUTPUT_HANDLE) == old_handle) SetStdHandle(STD_OUTPUT_HANDLE, 0);
267 break;
268 case 2:
269 if (GetStdHandle(STD_ERROR_HANDLE) == old_handle) SetStdHandle(STD_ERROR_HANDLE, 0);
270 break;
271 }
272 }
273 else
274 {
275 if (fd == MSVCRT_fdend - 1)
276 MSVCRT_fdend--;
277 if (fd < MSVCRT_fdstart)
278 MSVCRT_fdstart = fd;
279 }
280 UNLOCK_FILES();
281 }
282
283 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */
284 /* caller must hold the files lock */
285 static int msvcrt_alloc_fd_from(HANDLE hand, int flag, int fd)
286 {
287 ioinfo *fdinfo;
288
289 if (fd >= MSVCRT_MAX_FILES)
290 {
291 WARN(":files exhausted!\n");
292 *MSVCRT__errno() = MSVCRT_ENFILE;
293 return -1;
294 }
295
296 fdinfo = msvcrt_get_ioinfo(fd);
297 if(fdinfo == &MSVCRT___badioinfo) {
298 int i;
299
300 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(ioinfo));
301 if(!MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE]) {
302 WARN(":out of memory!\n");
303 *MSVCRT__errno() = MSVCRT_ENOMEM;
304 return -1;
305 }
306
307 for(i=0; i<MSVCRT_FD_BLOCK_SIZE; i++)
308 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE][i].handle = INVALID_HANDLE_VALUE;
309
310 fdinfo = msvcrt_get_ioinfo(fd);
311 }
312
313 fdinfo->handle = hand;
314 fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT));
315
316 /* locate next free slot */
317 if (fd == MSVCRT_fdstart && fd == MSVCRT_fdend)
318 MSVCRT_fdstart = MSVCRT_fdend + 1;
319 else
320 while (MSVCRT_fdstart < MSVCRT_fdend &&
321 msvcrt_get_ioinfo(MSVCRT_fdstart)->handle != INVALID_HANDLE_VALUE)
322 MSVCRT_fdstart++;
323 /* update last fd in use */
324 if (fd >= MSVCRT_fdend)
325 MSVCRT_fdend = fd + 1;
326 TRACE("fdstart is %d, fdend is %d\n", MSVCRT_fdstart, MSVCRT_fdend);
327
328 switch (fd)
329 {
330 case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
331 case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
332 case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
333 }
334
335 return fd;
336 }
337
338 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
339 static int msvcrt_alloc_fd(HANDLE hand, int flag)
340 {
341 int ret;
342
343 LOCK_FILES();
344 TRACE(":handle (%p) allocating fd (%d)\n",hand,MSVCRT_fdstart);
345 ret = msvcrt_alloc_fd_from(hand, flag, MSVCRT_fdstart);
346 UNLOCK_FILES();
347 return ret;
348 }
349
350 /* INTERNAL: Allocate a FILE* for an fd slot */
351 /* caller must hold the files lock */
352 static MSVCRT_FILE* msvcrt_alloc_fp(void)
353 {
354 unsigned int i;
355 MSVCRT_FILE *file;
356
357 for (i = 3; i < MSVCRT_max_streams; i++)
358 {
359 file = msvcrt_get_file(i);
360 if (!file)
361 return NULL;
362
363 if (file->_flag == 0)
364 {
365 if (i == MSVCRT_stream_idx)
366 {
367 if (file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
368 {
369 InitializeCriticalSection(&((file_crit*)file)->crit);
370 ((file_crit*)file)->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": file_crit.crit");
371 }
372 MSVCRT_stream_idx++;
373 }
374 return file;
375 }
376 }
377
378 return NULL;
379 }
380
381 /* INTERNAL: initialize a FILE* from an open fd */
382 static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags)
383 {
384 TRACE(":fd (%d) allocating FILE*\n",fd);
385 if (!msvcrt_is_valid_fd(fd))
386 {
387 WARN(":invalid fd %d\n",fd);
388 *MSVCRT___doserrno() = 0;
389 *MSVCRT__errno() = MSVCRT_EBADF;
390 return -1;
391 }
392 memset(file, 0, sizeof(*file));
393 file->_file = fd;
394 file->_flag = stream_flags;
395
396 TRACE(":got FILE* (%p)\n",file);
397 return 0;
398 }
399
400 /* INTERNAL: Create an inheritance data block (for spawned process)
401 * The inheritance block is made of:
402 * 00 int nb of file descriptor (NBFD)
403 * 04 char file flags (wxflag): repeated for each fd
404 * 4+NBFD HANDLE file handle: repeated for each fd
405 */
406 unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block)
407 {
408 int fd;
409 char* wxflag_ptr;
410 HANDLE* handle_ptr;
411 ioinfo* fdinfo;
412
413 *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
414 *block = MSVCRT_calloc(*size, 1);
415 if (!*block)
416 {
417 *size = 0;
418 return FALSE;
419 }
420 wxflag_ptr = (char*)*block + sizeof(unsigned);
421 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
422
423 *(unsigned*)*block = MSVCRT_fdend;
424 for (fd = 0; fd < MSVCRT_fdend; fd++)
425 {
426 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
427 fdinfo = msvcrt_get_ioinfo(fd);
428 if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
429 {
430 *wxflag_ptr = fdinfo->wxflag;
431 *handle_ptr = fdinfo->handle;
432 }
433 else
434 {
435 *wxflag_ptr = 0;
436 *handle_ptr = INVALID_HANDLE_VALUE;
437 }
438 wxflag_ptr++; handle_ptr++;
439 }
440 return TRUE;
441 }
442
443 /* INTERNAL: Set up all file descriptors,
444 * as well as default streams (stdin, stderr and stdout)
445 */
446 void msvcrt_init_io(void)
447 {
448 STARTUPINFOA si;
449 int i;
450 ioinfo *fdinfo;
451
452 GetStartupInfoA(&si);
453 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
454 {
455 BYTE* wxflag_ptr;
456 HANDLE* handle_ptr;
457 unsigned int count;
458
459 count = *(unsigned*)si.lpReserved2;
460 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
461 handle_ptr = (HANDLE*)(wxflag_ptr + count);
462
463 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
464 count = min(count, MSVCRT_MAX_FILES);
465 for (i = 0; i < count; i++)
466 {
467 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
468 msvcrt_alloc_fd_from(*handle_ptr, *wxflag_ptr, i);
469
470 wxflag_ptr++; handle_ptr++;
471 }
472 MSVCRT_fdend = max( 3, count );
473 for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
474 if (msvcrt_get_ioinfo(MSVCRT_fdstart)->handle == INVALID_HANDLE_VALUE) break;
475 }
476
477 if(!MSVCRT___pioinfo[0])
478 msvcrt_alloc_fd_from(INVALID_HANDLE_VALUE, 0, 3);
479
480 fdinfo = msvcrt_get_ioinfo(0);
481 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
482 {
483 HANDLE std = GetStdHandle(STD_INPUT_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(1);
491 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
492 {
493 HANDLE std = GetStdHandle(STD_OUTPUT_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 fdinfo = msvcrt_get_ioinfo(2);
501 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
502 {
503 HANDLE std = GetStdHandle(STD_ERROR_HANDLE);
504 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
505 GetCurrentProcess(), &fdinfo->handle,
506 0, TRUE, DUPLICATE_SAME_ACCESS))
507 fdinfo->wxflag = WX_OPEN | WX_TEXT;
508 }
509
510 TRACE(":handles (%p)(%p)(%p)\n", msvcrt_get_ioinfo(0)->handle,
511 msvcrt_get_ioinfo(1)->handle, msvcrt_get_ioinfo(2)->handle);
512
513 memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
514 for (i = 0; i < 3; i++)
515 {
516 /* FILE structs for stdin/out/err are static and never deleted */
517 MSVCRT__iob[i]._file = i;
518 MSVCRT__iob[i]._tmpfname = NULL;
519 MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
520 }
521 MSVCRT_stream_idx = 3;
522 }
523
524 /* INTERNAL: Flush stdio file buffer */
525 static int msvcrt_flush_buffer(MSVCRT_FILE* file)
526 {
527 if(file->_bufsiz) {
528 int cnt=file->_ptr-file->_base;
529 if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) {
530 file->_flag |= MSVCRT__IOERR;
531 return MSVCRT_EOF;
532 }
533 file->_ptr=file->_base;
534 file->_cnt=file->_bufsiz;
535 }
536 return 0;
537 }
538
539 /* INTERNAL: Allocate stdio file buffer */
540 static void msvcrt_alloc_buffer(MSVCRT_FILE* file)
541 {
542 file->_base = MSVCRT_calloc(MSVCRT_BUFSIZ,1);
543 if(file->_base) {
544 file->_bufsiz = MSVCRT_BUFSIZ;
545 file->_flag |= MSVCRT__IOMYBUF;
546 } else {
547 file->_base = (char*)(&file->_charbuf);
548 /* put here 2 ??? */
549 file->_bufsiz = sizeof(file->_charbuf);
550 }
551 file->_ptr = file->_base;
552 file->_cnt = 0;
553 }
554
555 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
556 static int msvcrt_int_to_base32(int num, char *str)
557 {
558 char *p;
559 int n = num;
560 int digits = 0;
561
562 while (n != 0)
563 {
564 n >>= 5;
565 digits++;
566 }
567 p = str + digits;
568 *p = 0;
569 while (--p >= str)
570 {
571 *p = (num & 31) + '0';
572 if (*p > '9')
573 *p += ('a' - '0' - 10);
574 num >>= 5;
575 }
576
577 return digits;
578 }
579
580 /* INTERNAL: wide character version of msvcrt_int_to_base32 */
581 static int msvcrt_int_to_base32_w(int num, MSVCRT_wchar_t *str)
582 {
583 MSVCRT_wchar_t *p;
584 int n = num;
585 int digits = 0;
586
587 while (n != 0)
588 {
589 n >>= 5;
590 digits++;
591 }
592 p = str + digits;
593 *p = 0;
594 while (--p >= str)
595 {
596 *p = (num & 31) + '0';
597 if (*p > '9')
598 *p += ('a' - '0' - 10);
599 num >>= 5;
600 }
601
602 return digits;
603 }
604
605 /*********************************************************************
606 * __iob_func(MSVCRT.@)
607 */
608 MSVCRT_FILE * CDECL MSVCRT___iob_func(void)
609 {
610 return &MSVCRT__iob[0];
611 }
612
613 /*********************************************************************
614 * _access (MSVCRT.@)
615 */
616 int CDECL MSVCRT__access(const char *filename, int mode)
617 {
618 DWORD attr = GetFileAttributesA(filename);
619
620 TRACE("(%s,%d) %d\n",filename,mode,attr);
621
622 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
623 {
624 msvcrt_set_errno(GetLastError());
625 return -1;
626 }
627 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
628 {
629 msvcrt_set_errno(ERROR_ACCESS_DENIED);
630 return -1;
631 }
632 return 0;
633 }
634
635 /*********************************************************************
636 * _access_s (MSVCRT.@)
637 */
638 int CDECL _access_s(const char *filename, int mode)
639 {
640 if (!MSVCRT_CHECK_PMT(filename != NULL)) return -1;
641 if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return -1;
642
643 return MSVCRT__access(filename, mode);
644 }
645
646 /*********************************************************************
647 * _waccess (MSVCRT.@)
648 */
649 int CDECL MSVCRT__waccess(const MSVCRT_wchar_t *filename, int mode)
650 {
651 DWORD attr = GetFileAttributesW(filename);
652
653 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
654
655 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
656 {
657 msvcrt_set_errno(GetLastError());
658 return -1;
659 }
660 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
661 {
662 msvcrt_set_errno(ERROR_ACCESS_DENIED);
663 return -1;
664 }
665 return 0;
666 }
667
668 /*********************************************************************
669 * _waccess_s (MSVCRT.@)
670 */
671 int CDECL _waccess_s(const MSVCRT_wchar_t *filename, int mode)
672 {
673 if (!MSVCRT_CHECK_PMT(filename != NULL)) return -1;
674 if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return -1;
675
676 return MSVCRT__waccess(filename, mode);
677 }
678
679 /*********************************************************************
680 * _chmod (MSVCRT.@)
681 */
682 int CDECL MSVCRT__chmod(const char *path, int flags)
683 {
684 DWORD oldFlags = GetFileAttributesA(path);
685
686 if (oldFlags != INVALID_FILE_ATTRIBUTES)
687 {
688 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
689 oldFlags | FILE_ATTRIBUTE_READONLY;
690
691 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
692 return 0;
693 }
694 msvcrt_set_errno(GetLastError());
695 return -1;
696 }
697
698 /*********************************************************************
699 * _wchmod (MSVCRT.@)
700 */
701 int CDECL MSVCRT__wchmod(const MSVCRT_wchar_t *path, int flags)
702 {
703 DWORD oldFlags = GetFileAttributesW(path);
704
705 if (oldFlags != INVALID_FILE_ATTRIBUTES)
706 {
707 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
708 oldFlags | FILE_ATTRIBUTE_READONLY;
709
710 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
711 return 0;
712 }
713 msvcrt_set_errno(GetLastError());
714 return -1;
715 }
716
717 /*********************************************************************
718 * _unlink (MSVCRT.@)
719 */
720 int CDECL MSVCRT__unlink(const char *path)
721 {
722 TRACE("%s\n",debugstr_a(path));
723 if(DeleteFileA(path))
724 return 0;
725 TRACE("failed (%d)\n",GetLastError());
726 msvcrt_set_errno(GetLastError());
727 return -1;
728 }
729
730 /*********************************************************************
731 * _wunlink (MSVCRT.@)
732 */
733 int CDECL MSVCRT__wunlink(const MSVCRT_wchar_t *path)
734 {
735 TRACE("(%s)\n",debugstr_w(path));
736 if(DeleteFileW(path))
737 return 0;
738 TRACE("failed (%d)\n",GetLastError());
739 msvcrt_set_errno(GetLastError());
740 return -1;
741 }
742
743 /* flush_all_buffers calls MSVCRT_fflush which calls flush_all_buffers */
744 int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
745
746 /* INTERNAL: Flush all stream buffer */
747 static int msvcrt_flush_all_buffers(int mask)
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 & mask) {
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 * _flushall (MSVCRT.@)
772 */
773 int CDECL MSVCRT__flushall(void)
774 {
775 return msvcrt_flush_all_buffers(MSVCRT__IOWRT | MSVCRT__IOREAD);
776 }
777
778 /*********************************************************************
779 * fflush (MSVCRT.@)
780 */
781 int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
782 {
783 if(!file) {
784 msvcrt_flush_all_buffers(MSVCRT__IOWRT);
785 } else if(file->_flag & MSVCRT__IOWRT) {
786 int res;
787
788 MSVCRT__lock_file(file);
789 res = msvcrt_flush_buffer(file);
790 MSVCRT__unlock_file(file);
791
792 return res;
793 } else if(file->_flag & MSVCRT__IOREAD) {
794 MSVCRT__lock_file(file);
795 file->_cnt = 0;
796 file->_ptr = file->_base;
797 MSVCRT__unlock_file(file);
798
799 return 0;
800 }
801 return 0;
802 }
803
804 /*********************************************************************
805 * _close (MSVCRT.@)
806 */
807 int CDECL MSVCRT__close(int fd)
808 {
809 HANDLE hand;
810 int ret;
811
812 LOCK_FILES();
813 hand = msvcrt_fdtoh(fd);
814 TRACE(":fd (%d) handle (%p)\n",fd,hand);
815 if (!msvcrt_is_valid_fd(fd)) {
816 ret = -1;
817 } else {
818 msvcrt_free_fd(fd);
819 ret = CloseHandle(hand) ? 0 : -1;
820 if (ret) {
821 WARN(":failed-last error (%d)\n",GetLastError());
822 msvcrt_set_errno(GetLastError());
823 }
824 }
825 UNLOCK_FILES();
826 TRACE(":ok\n");
827 return ret;
828 }
829
830 /*********************************************************************
831 * _commit (MSVCRT.@)
832 */
833 int CDECL MSVCRT__commit(int fd)
834 {
835 HANDLE hand = msvcrt_fdtoh(fd);
836
837 TRACE(":fd (%d) handle (%p)\n",fd,hand);
838 if (hand == INVALID_HANDLE_VALUE)
839 return -1;
840
841 if (!FlushFileBuffers(hand))
842 {
843 if (GetLastError() == ERROR_INVALID_HANDLE)
844 {
845 /* FlushFileBuffers fails for console handles
846 * so we ignore this error.
847 */
848 return 0;
849 }
850 TRACE(":failed-last error (%d)\n",GetLastError());
851 msvcrt_set_errno(GetLastError());
852 return -1;
853 }
854 TRACE(":ok\n");
855 return 0;
856 }
857
858 /*********************************************************************
859 * _dup2 (MSVCRT.@)
860 * NOTES
861 * MSDN isn't clear on this point, but the remarks for _pipe
862 * indicate file descriptors duplicated with _dup and _dup2 are always
863 * inheritable.
864 */
865 int CDECL MSVCRT__dup2(int od, int nd)
866 {
867 int ret;
868
869 TRACE("(od=%d, nd=%d)\n", od, nd);
870 LOCK_FILES();
871 if (nd < MSVCRT_MAX_FILES && nd >= 0 && msvcrt_is_valid_fd(od))
872 {
873 HANDLE handle;
874
875 if (DuplicateHandle(GetCurrentProcess(), msvcrt_get_ioinfo(od)->handle,
876 GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
877 {
878 int wxflag = msvcrt_get_ioinfo(od)->wxflag & ~MSVCRT__O_NOINHERIT;
879
880 if (msvcrt_is_valid_fd(nd))
881 MSVCRT__close(nd);
882 ret = msvcrt_alloc_fd_from(handle, wxflag, nd);
883 if (ret == -1)
884 {
885 CloseHandle(handle);
886 *MSVCRT__errno() = MSVCRT_EMFILE;
887 }
888 else
889 {
890 /* _dup2 returns 0, not nd, on success */
891 ret = 0;
892 }
893 }
894 else
895 {
896 ret = -1;
897 msvcrt_set_errno(GetLastError());
898 }
899 }
900 else
901 {
902 *MSVCRT__errno() = MSVCRT_EBADF;
903 ret = -1;
904 }
905 UNLOCK_FILES();
906 return ret;
907 }
908
909 /*********************************************************************
910 * _dup (MSVCRT.@)
911 */
912 int CDECL MSVCRT__dup(int od)
913 {
914 int fd, ret;
915
916 LOCK_FILES();
917 fd = MSVCRT_fdstart;
918 if (MSVCRT__dup2(od, fd) == 0)
919 ret = fd;
920 else
921 ret = -1;
922 UNLOCK_FILES();
923 return ret;
924 }
925
926 /*********************************************************************
927 * _eof (MSVCRT.@)
928 */
929 int CDECL MSVCRT__eof(int fd)
930 {
931 DWORD curpos,endpos;
932 LONG hcurpos,hendpos;
933 HANDLE hand = msvcrt_fdtoh(fd);
934
935 TRACE(":fd (%d) handle (%p)\n",fd,hand);
936
937 if (hand == INVALID_HANDLE_VALUE)
938 return -1;
939
940 if (msvcrt_get_ioinfo(fd)->wxflag & WX_ATEOF) return TRUE;
941
942 /* Otherwise we do it the hard way */
943 hcurpos = hendpos = 0;
944 curpos = SetFilePointer(hand, 0, &hcurpos, FILE_CURRENT);
945 endpos = SetFilePointer(hand, 0, &hendpos, FILE_END);
946
947 if (curpos == endpos && hcurpos == hendpos)
948 {
949 /* FIXME: shouldn't WX_ATEOF be set here? */
950 return TRUE;
951 }
952
953 SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN);
954 return FALSE;
955 }
956
957 /*********************************************************************
958 * _fcloseall (MSVCRT.@)
959 */
960 int CDECL MSVCRT__fcloseall(void)
961 {
962 int num_closed = 0, i;
963 MSVCRT_FILE *file;
964
965 LOCK_FILES();
966 for (i = 3; i < MSVCRT_stream_idx; i++) {
967 file = msvcrt_get_file(i);
968
969 if (file->_flag && !MSVCRT_fclose(file))
970 num_closed++;
971 }
972 UNLOCK_FILES();
973
974 TRACE(":closed (%d) handles\n",num_closed);
975 return num_closed;
976 }
977
978 /* free everything on process exit */
979 void msvcrt_free_io(void)
980 {
981 int i;
982
983 MSVCRT__fcloseall();
984 /* The Win32 _fcloseall() function explicitly doesn't close stdin,
985 * stdout, and stderr (unlike GNU), so we need to fclose() them here
986 * or they won't get flushed.
987 */
988 MSVCRT_fclose(&MSVCRT__iob[0]);
989 MSVCRT_fclose(&MSVCRT__iob[1]);
990 MSVCRT_fclose(&MSVCRT__iob[2]);
991
992 for(i=0; i<sizeof(MSVCRT___pioinfo)/sizeof(MSVCRT___pioinfo[0]); i++)
993 MSVCRT_free(MSVCRT___pioinfo[i]);
994
995 for(i=0; i<MSVCRT_stream_idx; i++)
996 {
997 MSVCRT_FILE *file = msvcrt_get_file(i);
998 if(file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
999 {
1000 ((file_crit*)file)->crit.DebugInfo->Spare[0] = 0;
1001 DeleteCriticalSection(&((file_crit*)file)->crit);
1002 }
1003 }
1004
1005 for(i=0; i<sizeof(MSVCRT_fstream)/sizeof(MSVCRT_fstream[0]); i++)
1006 MSVCRT_free(MSVCRT_fstream[i]);
1007
1008 DeleteCriticalSection(&MSVCRT_file_cs);
1009 }
1010
1011 /*********************************************************************
1012 * _lseeki64 (MSVCRT.@)
1013 */
1014 __int64 CDECL MSVCRT__lseeki64(int fd, __int64 offset, int whence)
1015 {
1016 HANDLE hand = msvcrt_fdtoh(fd);
1017 LARGE_INTEGER ofs;
1018
1019 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1020 if (hand == INVALID_HANDLE_VALUE)
1021 return -1;
1022
1023 if (whence < 0 || whence > 2)
1024 {
1025 *MSVCRT__errno() = MSVCRT_EINVAL;
1026 return -1;
1027 }
1028
1029 TRACE(":fd (%d) to %s pos %s\n",
1030 fd,wine_dbgstr_longlong(offset),
1031 (whence==SEEK_SET)?"SEEK_SET":
1032 (whence==SEEK_CUR)?"SEEK_CUR":
1033 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
1034
1035 /* The MoleBox protection scheme expects msvcrt to use SetFilePointer only,
1036 * so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */
1037 ofs.QuadPart = offset;
1038 if ((ofs.u.LowPart = SetFilePointer(hand, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER ||
1039 GetLastError() == ERROR_SUCCESS)
1040 {
1041 msvcrt_get_ioinfo(fd)->wxflag &= ~(WX_ATEOF|WX_READEOF);
1042 /* FIXME: What if we seek _to_ EOF - is EOF set? */
1043
1044 return ofs.QuadPart;
1045 }
1046 TRACE(":error-last error (%d)\n",GetLastError());
1047 msvcrt_set_errno(GetLastError());
1048 return -1;
1049 }
1050
1051 /*********************************************************************
1052 * _lseek (MSVCRT.@)
1053 */
1054 LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence)
1055 {
1056 return MSVCRT__lseeki64(fd, offset, whence);
1057 }
1058
1059 /*********************************************************************
1060 * _lock_file (MSVCRT.@)
1061 */
1062 void CDECL MSVCRT__lock_file(MSVCRT_FILE *file)
1063 {
1064 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1065 _lock(_STREAM_LOCKS+(file-MSVCRT__iob));
1066 else
1067 EnterCriticalSection(&((file_crit*)file)->crit);
1068 }
1069
1070 /*********************************************************************
1071 * _unlock_file (MSVCRT.@)
1072 */
1073 void CDECL MSVCRT__unlock_file(MSVCRT_FILE *file)
1074 {
1075 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1076 _unlock(_STREAM_LOCKS+(file-MSVCRT__iob));
1077 else
1078 LeaveCriticalSection(&((file_crit*)file)->crit);
1079 }
1080
1081 /*********************************************************************
1082 * _locking (MSVCRT.@)
1083 *
1084 * This is untested; the underlying LockFile doesn't work yet.
1085 */
1086 int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes)
1087 {
1088 BOOL ret;
1089 DWORD cur_locn;
1090 HANDLE hand = msvcrt_fdtoh(fd);
1091
1092 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1093 if (hand == INVALID_HANDLE_VALUE)
1094 return -1;
1095
1096 if (mode < 0 || mode > 4)
1097 {
1098 *MSVCRT__errno() = MSVCRT_EINVAL;
1099 return -1;
1100 }
1101
1102 TRACE(":fd (%d) by 0x%08x mode %s\n",
1103 fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
1104 (mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
1105 (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
1106 (mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
1107 (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
1108 "UNKNOWN");
1109
1110 if ((cur_locn = SetFilePointer(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
1111 {
1112 FIXME ("Seek failed\n");
1113 *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
1114 return -1;
1115 }
1116 if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
1117 {
1118 int nretry = 10;
1119 ret = 1; /* just to satisfy gcc */
1120 while (nretry--)
1121 {
1122 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1123 if (ret) break;
1124 Sleep(1);
1125 }
1126 }
1127 else if (mode == MSVCRT__LK_UNLCK)
1128 ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L);
1129 else
1130 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1131 /* FIXME - what about error settings? */
1132 return ret ? 0 : -1;
1133 }
1134
1135 /*********************************************************************
1136 * _fseeki64 (MSVCRT.@)
1137 */
1138 int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence)
1139 {
1140 int ret;
1141
1142 MSVCRT__lock_file(file);
1143 /* Flush output if needed */
1144 if(file->_flag & MSVCRT__IOWRT)
1145 msvcrt_flush_buffer(file);
1146
1147 if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
1148 offset -= file->_cnt;
1149 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
1150 /* Black magic correction for CR removal */
1151 int i;
1152 for (i=0; i<file->_cnt; i++) {
1153 if (file->_ptr[i] == '\n')
1154 offset--;
1155 }
1156 /* Black magic when reading CR at buffer boundary*/
1157 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
1158 offset--;
1159 }
1160 }
1161 /* Discard buffered input */
1162 file->_cnt = 0;
1163 file->_ptr = file->_base;
1164 /* Reset direction of i/o */
1165 if(file->_flag & MSVCRT__IORW) {
1166 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
1167 }
1168 /* Clear end of file flag */
1169 file->_flag &= ~MSVCRT__IOEOF;
1170 ret = (MSVCRT__lseeki64(file->_file,offset,whence) == -1)?-1:0;
1171
1172 MSVCRT__unlock_file(file);
1173 return ret;
1174 }
1175
1176 /*********************************************************************
1177 * fseek (MSVCRT.@)
1178 */
1179 int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
1180 {
1181 return MSVCRT__fseeki64( file, offset, whence );
1182 }
1183
1184 /*********************************************************************
1185 * _chsize (MSVCRT.@)
1186 */
1187 int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
1188 {
1189 LONG cur, pos;
1190 HANDLE handle;
1191 BOOL ret = FALSE;
1192
1193 TRACE("(fd=%d, size=%d)\n", fd, size);
1194
1195 LOCK_FILES();
1196
1197 handle = msvcrt_fdtoh(fd);
1198 if (handle != INVALID_HANDLE_VALUE)
1199 {
1200 /* save the current file pointer */
1201 cur = MSVCRT__lseek(fd, 0, SEEK_CUR);
1202 if (cur >= 0)
1203 {
1204 pos = MSVCRT__lseek(fd, size, SEEK_SET);
1205 if (pos >= 0)
1206 {
1207 ret = SetEndOfFile(handle);
1208 if (!ret) msvcrt_set_errno(GetLastError());
1209 }
1210
1211 /* restore the file pointer */
1212 MSVCRT__lseek(fd, cur, SEEK_SET);
1213 }
1214 }
1215
1216 UNLOCK_FILES();
1217 return ret ? 0 : -1;
1218 }
1219
1220 /*********************************************************************
1221 * clearerr (MSVCRT.@)
1222 */
1223 void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
1224 {
1225 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1226
1227 MSVCRT__lock_file(file);
1228 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
1229 MSVCRT__unlock_file(file);
1230 }
1231
1232 /*********************************************************************
1233 * rewind (MSVCRT.@)
1234 */
1235 void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
1236 {
1237 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1238
1239 MSVCRT__lock_file(file);
1240 MSVCRT_fseek(file, 0L, SEEK_SET);
1241 MSVCRT_clearerr(file);
1242 MSVCRT__unlock_file(file);
1243 }
1244
1245 static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags)
1246 {
1247 int plus = strchrW(mode, '+') != NULL;
1248
1249 switch(*mode++)
1250 {
1251 case 'R': case 'r':
1252 *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
1253 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
1254 break;
1255 case 'W': case 'w':
1256 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1257 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1258 break;
1259 case 'A': case 'a':
1260 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1261 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1262 break;
1263 default:
1264 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1265 *MSVCRT__errno() = MSVCRT_EINVAL;
1266 return -1;
1267 }
1268
1269 while (*mode)
1270 switch (*mode++)
1271 {
1272 case 'B': case 'b':
1273 *open_flags |= MSVCRT__O_BINARY;
1274 *open_flags &= ~MSVCRT__O_TEXT;
1275 break;
1276 case 't':
1277 *open_flags |= MSVCRT__O_TEXT;
1278 *open_flags &= ~MSVCRT__O_BINARY;
1279 break;
1280 case 'D':
1281 *open_flags |= MSVCRT__O_TEMPORARY;
1282 break;
1283 case 'T':
1284 *open_flags |= MSVCRT__O_SHORT_LIVED;
1285 break;
1286 case '+':
1287 case ' ':
1288 break;
1289 default:
1290 FIXME(":unknown flag %c not supported\n",mode[-1]);
1291 }
1292 return 0;
1293 }
1294
1295 /*********************************************************************
1296 * _fdopen (MSVCRT.@)
1297 */
1298 MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode)
1299 {
1300 MSVCRT_FILE *ret;
1301 MSVCRT_wchar_t *modeW = NULL;
1302
1303 if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
1304
1305 ret = MSVCRT__wfdopen(fd, modeW);
1306
1307 MSVCRT_free(modeW);
1308 return ret;
1309 }
1310
1311 /*********************************************************************
1312 * _wfdopen (MSVCRT.@)
1313 */
1314 MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
1315 {
1316 int open_flags, stream_flags;
1317 MSVCRT_FILE* file;
1318
1319 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
1320
1321 LOCK_FILES();
1322 if (!(file = msvcrt_alloc_fp()))
1323 file = NULL;
1324 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
1325 {
1326 file->_flag = 0;
1327 file = NULL;
1328 }
1329 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
1330 UNLOCK_FILES();
1331
1332 return file;
1333 }
1334
1335 /*********************************************************************
1336 * _filelength (MSVCRT.@)
1337 */
1338 LONG CDECL MSVCRT__filelength(int fd)
1339 {
1340 LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR);
1341 if (curPos != -1)
1342 {
1343 LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END);
1344 if (endPos != -1)
1345 {
1346 if (endPos != curPos)
1347 MSVCRT__lseek(fd, curPos, SEEK_SET);
1348 return endPos;
1349 }
1350 }
1351 return -1;
1352 }
1353
1354 /*********************************************************************
1355 * _filelengthi64 (MSVCRT.@)
1356 */
1357 __int64 CDECL MSVCRT__filelengthi64(int fd)
1358 {
1359 __int64 curPos = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1360 if (curPos != -1)
1361 {
1362 __int64 endPos = MSVCRT__lseeki64(fd, 0, SEEK_END);
1363 if (endPos != -1)
1364 {
1365 if (endPos != curPos)
1366 MSVCRT__lseeki64(fd, curPos, SEEK_SET);
1367 return endPos;
1368 }
1369 }
1370 return -1;
1371 }
1372
1373 /*********************************************************************
1374 * _fileno (MSVCRT.@)
1375 */
1376 int CDECL MSVCRT__fileno(MSVCRT_FILE* file)
1377 {
1378 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
1379 return file->_file;
1380 }
1381
1382 /*********************************************************************
1383 * _fstat64 (MSVCRT.@)
1384 */
1385 int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf)
1386 {
1387 DWORD dw;
1388 DWORD type;
1389 BY_HANDLE_FILE_INFORMATION hfi;
1390 HANDLE hand = msvcrt_fdtoh(fd);
1391
1392 TRACE(":fd (%d) stat (%p)\n",fd,buf);
1393 if (hand == INVALID_HANDLE_VALUE)
1394 return -1;
1395
1396 if (!buf)
1397 {
1398 WARN(":failed-NULL buf\n");
1399 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1400 return -1;
1401 }
1402
1403 memset(&hfi, 0, sizeof(hfi));
1404 memset(buf, 0, sizeof(struct MSVCRT__stat64));
1405 type = GetFileType(hand);
1406 if (type == FILE_TYPE_PIPE)
1407 {
1408 buf->st_dev = buf->st_rdev = fd;
1409 buf->st_mode = S_IFIFO;
1410 buf->st_nlink = 1;
1411 }
1412 else if (type == FILE_TYPE_CHAR)
1413 {
1414 buf->st_dev = buf->st_rdev = fd;
1415 buf->st_mode = S_IFCHR;
1416 buf->st_nlink = 1;
1417 }
1418 else /* FILE_TYPE_DISK etc. */
1419 {
1420 if (!GetFileInformationByHandle(hand, &hfi))
1421 {
1422 WARN(":failed-last error (%d)\n",GetLastError());
1423 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1424 return -1;
1425 }
1426 buf->st_mode = S_IFREG | 0444;
1427 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1428 buf->st_mode |= 0222;
1429 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1430 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1431 buf->st_atime = dw;
1432 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1433 buf->st_mtime = buf->st_ctime = dw;
1434 buf->st_nlink = hfi.nNumberOfLinks;
1435 }
1436 TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
1437 buf->st_mode);
1438 return 0;
1439 }
1440
1441 /*********************************************************************
1442 * _fstati64 (MSVCRT.@)
1443 */
1444 int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
1445 {
1446 int ret;
1447 struct MSVCRT__stat64 buf64;
1448
1449 ret = MSVCRT__fstat64(fd, &buf64);
1450 if (!ret)
1451 msvcrt_stat64_to_stati64(&buf64, buf);
1452 return ret;
1453 }
1454
1455 /*********************************************************************
1456 * _fstat (MSVCRT.@)
1457 */
1458 int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
1459 { int ret;
1460 struct MSVCRT__stat64 buf64;
1461
1462 ret = MSVCRT__fstat64(fd, &buf64);
1463 if (!ret)
1464 msvcrt_stat64_to_stat(&buf64, buf);
1465 return ret;
1466 }
1467
1468 /*********************************************************************
1469 * _futime64 (MSVCRT.@)
1470 */
1471 int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t)
1472 {
1473 HANDLE hand = msvcrt_fdtoh(fd);
1474 FILETIME at, wt;
1475
1476 if (!t)
1477 {
1478 time_to_filetime( MSVCRT__time64(NULL), &at );
1479 wt = at;
1480 }
1481 else
1482 {
1483 time_to_filetime( t->actime, &at );
1484 time_to_filetime( t->modtime, &wt );
1485 }
1486
1487 if (!SetFileTime(hand, NULL, &at, &wt))
1488 {
1489 msvcrt_set_errno(GetLastError());
1490 return -1 ;
1491 }
1492 return 0;
1493 }
1494
1495 /*********************************************************************
1496 * _futime32 (MSVCRT.@)
1497 */
1498 int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t)
1499 {
1500 if (t)
1501 {
1502 struct MSVCRT___utimbuf64 t64;
1503 t64.actime = t->actime;
1504 t64.modtime = t->modtime;
1505 return _futime64( fd, &t64 );
1506 }
1507 else
1508 return _futime64( fd, NULL );
1509 }
1510
1511 /*********************************************************************
1512 * _futime (MSVCRT.@)
1513 */
1514 #ifdef _WIN64
1515 int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t)
1516 {
1517 return _futime64( fd, t );
1518 }
1519 #else
1520 int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t)
1521 {
1522 return _futime32( fd, t );
1523 }
1524 #endif
1525
1526 /*********************************************************************
1527 * _get_osfhandle (MSVCRT.@)
1528 */
1529 MSVCRT_intptr_t CDECL MSVCRT__get_osfhandle(int fd)
1530 {
1531 HANDLE hand = msvcrt_fdtoh(fd);
1532 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1533
1534 return (MSVCRT_intptr_t)hand;
1535 }
1536
1537 /*********************************************************************
1538 * _isatty (MSVCRT.@)
1539 */
1540 int CDECL MSVCRT__isatty(int fd)
1541 {
1542 HANDLE hand = msvcrt_fdtoh(fd);
1543
1544 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1545 if (hand == INVALID_HANDLE_VALUE)
1546 return 0;
1547
1548 return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
1549 }
1550
1551 /*********************************************************************
1552 * _mktemp (MSVCRT.@)
1553 */
1554 char * CDECL MSVCRT__mktemp(char *pattern)
1555 {
1556 int numX = 0;
1557 char *retVal = pattern;
1558 int id;
1559 char letter = 'a';
1560
1561 while(*pattern)
1562 numX = (*pattern++ == 'X')? numX + 1 : 0;
1563 if (numX < 5)
1564 return NULL;
1565 pattern--;
1566 id = GetCurrentProcessId();
1567 numX = 6;
1568 while(numX--)
1569 {
1570 int tempNum = id / 10;
1571 *pattern-- = id - (tempNum * 10) + '0';
1572 id = tempNum;
1573 }
1574 pattern++;
1575 do
1576 {
1577 *pattern = letter++;
1578 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES &&
1579 GetLastError() == ERROR_FILE_NOT_FOUND)
1580 return retVal;
1581 } while(letter <= 'z');
1582 return NULL;
1583 }
1584
1585 /*********************************************************************
1586 * _wmktemp (MSVCRT.@)
1587 */
1588 MSVCRT_wchar_t * CDECL MSVCRT__wmktemp(MSVCRT_wchar_t *pattern)
1589 {
1590 int numX = 0;
1591 MSVCRT_wchar_t *retVal = pattern;
1592 int id;
1593 MSVCRT_wchar_t letter = 'a';
1594
1595 while(*pattern)
1596 numX = (*pattern++ == 'X')? numX + 1 : 0;
1597 if (numX < 5)
1598 return NULL;
1599 pattern--;
1600 id = GetCurrentProcessId();
1601 numX = 6;
1602 while(numX--)
1603 {
1604 int tempNum = id / 10;
1605 *pattern-- = id - (tempNum * 10) + '0';
1606 id = tempNum;
1607 }
1608 pattern++;
1609 do
1610 {
1611 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES &&
1612 GetLastError() == ERROR_FILE_NOT_FOUND)
1613 return retVal;
1614 *pattern = letter++;
1615 } while(letter != '|');
1616 return NULL;
1617 }
1618
1619 static unsigned split_oflags(unsigned oflags)
1620 {
1621 int wxflags = 0;
1622 unsigned unsupp; /* until we support everything */
1623
1624 if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
1625 if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */}
1626 else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
1627 else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */}
1628 else wxflags |= WX_TEXT; /* default to TEXT*/
1629 if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1630
1631 if ((unsupp = oflags & ~(
1632 MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|
1633 MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT|
1634 MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY|
1635 MSVCRT__O_NOINHERIT|
1636 MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED
1637 )))
1638 ERR(":unsupported oflags 0x%04x\n",unsupp);
1639
1640 return wxflags;
1641 }
1642
1643 /*********************************************************************
1644 * _pipe (MSVCRT.@)
1645 */
1646 int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode)
1647 {
1648 int ret = -1;
1649 SECURITY_ATTRIBUTES sa;
1650 HANDLE readHandle, writeHandle;
1651
1652 if (!pfds)
1653 {
1654 *MSVCRT__errno() = MSVCRT_EINVAL;
1655 return -1;
1656 }
1657
1658 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
1659 sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT);
1660 sa.lpSecurityDescriptor = NULL;
1661 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
1662 {
1663 unsigned int wxflags = split_oflags(textmode);
1664 int fd;
1665
1666 LOCK_FILES();
1667 fd = msvcrt_alloc_fd(readHandle, wxflags);
1668 if (fd != -1)
1669 {
1670 pfds[0] = fd;
1671 fd = msvcrt_alloc_fd(writeHandle, wxflags);
1672 if (fd != -1)
1673 {
1674 pfds[1] = fd;
1675 ret = 0;
1676 }
1677 else
1678 {
1679 MSVCRT__close(pfds[0]);
1680 CloseHandle(writeHandle);
1681 *MSVCRT__errno() = MSVCRT_EMFILE;
1682 }
1683 }
1684 else
1685 {
1686 CloseHandle(readHandle);
1687 CloseHandle(writeHandle);
1688 *MSVCRT__errno() = MSVCRT_EMFILE;
1689 }
1690 UNLOCK_FILES();
1691 }
1692 else
1693 msvcrt_set_errno(GetLastError());
1694
1695 return ret;
1696 }
1697
1698 /*********************************************************************
1699 * _sopen_s (MSVCRT.@)
1700 */
1701 int CDECL MSVCRT__sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode )
1702 {
1703 DWORD access = 0, creation = 0, attrib;
1704 DWORD sharing;
1705 int wxflag;
1706 HANDLE hand;
1707 SECURITY_ATTRIBUTES sa;
1708
1709 TRACE("fd*: %p file: (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1710 fd, path, oflags, shflags, pmode);
1711
1712 if (!MSVCRT_CHECK_PMT( fd != NULL )) return MSVCRT_EINVAL;
1713
1714 *fd = -1;
1715 wxflag = split_oflags(oflags);
1716 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1717 {
1718 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1719 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1720 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1721 }
1722
1723 if (oflags & MSVCRT__O_CREAT)
1724 {
1725 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1726 FIXME(": pmode 0x%04x ignored\n", pmode);
1727 else
1728 WARN(": pmode 0x%04x ignored\n", pmode);
1729
1730 if (oflags & MSVCRT__O_EXCL)
1731 creation = CREATE_NEW;
1732 else if (oflags & MSVCRT__O_TRUNC)
1733 creation = CREATE_ALWAYS;
1734 else
1735 creation = OPEN_ALWAYS;
1736 }
1737 else /* no MSVCRT__O_CREAT */
1738 {
1739 if (oflags & MSVCRT__O_TRUNC)
1740 creation = TRUNCATE_EXISTING;
1741 else
1742 creation = OPEN_EXISTING;
1743 }
1744
1745 switch( shflags )
1746 {
1747 case MSVCRT__SH_DENYRW:
1748 sharing = 0L;
1749 break;
1750 case MSVCRT__SH_DENYWR:
1751 sharing = FILE_SHARE_READ;
1752 break;
1753 case MSVCRT__SH_DENYRD:
1754 sharing = FILE_SHARE_WRITE;
1755 break;
1756 case MSVCRT__SH_DENYNO:
1757 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1758 break;
1759 default:
1760 ERR( "Unhandled shflags 0x%x\n", shflags );
1761 return MSVCRT_EINVAL;
1762 }
1763 attrib = FILE_ATTRIBUTE_NORMAL;
1764
1765 if (oflags & MSVCRT__O_TEMPORARY)
1766 {
1767 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1768 access |= DELETE;
1769 sharing |= FILE_SHARE_DELETE;
1770 }
1771
1772 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1773 sa.lpSecurityDescriptor = NULL;
1774 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1775
1776 hand = CreateFileA(path, access, sharing, &sa, creation, attrib, 0);
1777 if (hand == INVALID_HANDLE_VALUE) {
1778 WARN(":failed-last error (%d)\n", GetLastError());
1779 msvcrt_set_errno(GetLastError());
1780 return *MSVCRT__errno();
1781 }
1782
1783 *fd = msvcrt_alloc_fd(hand, wxflag);
1784
1785 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
1786 return 0;
1787 }
1788
1789 /*********************************************************************
1790 * _sopen (MSVCRT.@)
1791 */
1792 int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
1793 {
1794 int pmode;
1795 int fd;
1796
1797 if (oflags & MSVCRT__O_CREAT)
1798 {
1799 __ms_va_list ap;
1800
1801 __ms_va_start(ap, shflags);
1802 pmode = va_arg(ap, int);
1803 __ms_va_end(ap);
1804 }
1805 else
1806 pmode = 0;
1807
1808 MSVCRT__sopen_s(&fd, path, oflags, shflags, pmode);
1809 return fd;
1810 }
1811
1812 /*********************************************************************
1813 * _wsopen_s (MSVCRT.@)
1814 */
1815 int CDECL MSVCRT__wsopen_s( int *fd, const MSVCRT_wchar_t* path, int oflags, int shflags, int pmode )
1816 {
1817 DWORD access = 0, creation = 0, attrib;
1818 SECURITY_ATTRIBUTES sa;
1819 DWORD sharing;
1820 int wxflag;
1821 HANDLE hand;
1822
1823 TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1824 fd, debugstr_w(path), oflags, shflags, pmode);
1825
1826 if (!MSVCRT_CHECK_PMT( fd != NULL )) return MSVCRT_EINVAL;
1827
1828 *fd = -1;
1829 wxflag = split_oflags(oflags);
1830 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1831 {
1832 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1833 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1834 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1835 }
1836
1837 if (oflags & MSVCRT__O_CREAT)
1838 {
1839 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1840 FIXME(": pmode 0x%04x ignored\n", pmode);
1841 else
1842 WARN(": pmode 0x%04x ignored\n", pmode);
1843
1844 if (oflags & MSVCRT__O_EXCL)
1845 creation = CREATE_NEW;
1846 else if (oflags & MSVCRT__O_TRUNC)
1847 creation = CREATE_ALWAYS;
1848 else
1849 creation = OPEN_ALWAYS;
1850 }
1851 else /* no MSVCRT__O_CREAT */
1852 {
1853 if (oflags & MSVCRT__O_TRUNC)
1854 creation = TRUNCATE_EXISTING;
1855 else
1856 creation = OPEN_EXISTING;
1857 }
1858
1859 switch( shflags )
1860 {
1861 case MSVCRT__SH_DENYRW:
1862 sharing = 0L;
1863 break;
1864 case MSVCRT__SH_DENYWR:
1865 sharing = FILE_SHARE_READ;
1866 break;
1867 case MSVCRT__SH_DENYRD:
1868 sharing = FILE_SHARE_WRITE;
1869 break;
1870 case MSVCRT__SH_DENYNO:
1871 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1872 break;
1873 default:
1874 ERR( "Unhandled shflags 0x%x\n", shflags );
1875 return MSVCRT_EINVAL;
1876 }
1877 attrib = FILE_ATTRIBUTE_NORMAL;
1878
1879 if (oflags & MSVCRT__O_TEMPORARY)
1880 {
1881 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1882 access |= DELETE;
1883 sharing |= FILE_SHARE_DELETE;
1884 }
1885
1886 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1887 sa.lpSecurityDescriptor = NULL;
1888 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1889
1890 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
1891
1892 if (hand == INVALID_HANDLE_VALUE) {
1893 WARN(":failed-last error (%d)\n",GetLastError());
1894 msvcrt_set_errno(GetLastError());
1895 msvcrt_set_errno(GetLastError());
1896 return *MSVCRT__errno();
1897 }
1898
1899 *fd = msvcrt_alloc_fd(hand, wxflag);
1900
1901 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
1902 return 0;
1903 }
1904
1905 /*********************************************************************
1906 * _wsopen (MSVCRT.@)
1907 */
1908 int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t *path, int oflags, int shflags, ... )
1909 {
1910 int pmode;
1911 int fd;
1912
1913 if (oflags & MSVCRT__O_CREAT)
1914 {
1915 __ms_va_list ap;
1916
1917 __ms_va_start(ap, shflags);
1918 pmode = va_arg(ap, int);
1919 __ms_va_end(ap);
1920 }
1921 else
1922 pmode = 0;
1923
1924 MSVCRT__wsopen_s(&fd, path, oflags, shflags, pmode);
1925 return fd;
1926 }
1927
1928 /*********************************************************************
1929 * _open (MSVCRT.@)
1930 */
1931 int CDECL MSVCRT__open( const char *path, int flags, ... )
1932 {
1933 __ms_va_list ap;
1934
1935 if (flags & MSVCRT__O_CREAT)
1936 {
1937 int pmode;
1938 __ms_va_start(ap, flags);
1939 pmode = va_arg(ap, int);
1940 __ms_va_end(ap);
1941 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1942 }
1943 else
1944 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
1945 }
1946
1947 /*********************************************************************
1948 * _wopen (MSVCRT.@)
1949 */
1950 int CDECL MSVCRT__wopen(const MSVCRT_wchar_t *path,int flags,...)
1951 {
1952 __ms_va_list ap;
1953
1954 if (flags & MSVCRT__O_CREAT)
1955 {
1956 int pmode;
1957 __ms_va_start(ap, flags);
1958 pmode = va_arg(ap, int);
1959 __ms_va_end(ap);
1960 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1961 }
1962 else
1963 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO);
1964 }
1965
1966 /*********************************************************************
1967 * _creat (MSVCRT.@)
1968 */
1969 int CDECL MSVCRT__creat(const char *path, int flags)
1970 {
1971 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1972 return MSVCRT__open(path, usedFlags);
1973 }
1974
1975 /*********************************************************************
1976 * _wcreat (MSVCRT.@)
1977 */
1978 int CDECL MSVCRT__wcreat(const MSVCRT_wchar_t *path, int flags)
1979 {
1980 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1981 return MSVCRT__wopen(path, usedFlags);
1982 }
1983
1984 /*********************************************************************
1985 * _open_osfhandle (MSVCRT.@)
1986 */
1987 int CDECL MSVCRT__open_osfhandle(MSVCRT_intptr_t handle, int oflags)
1988 {
1989 int fd;
1990
1991 /* MSVCRT__O_RDONLY (0) always matches, so set the read flag
1992 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
1993 * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
1994 * text - it never sets MSVCRT__O_BINARY.
1995 */
1996 /* don't let split_oflags() decide the mode if no mode is passed */
1997 if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)))
1998 oflags |= MSVCRT__O_BINARY;
1999
2000 fd = msvcrt_alloc_fd((HANDLE)handle, split_oflags(oflags));
2001 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, oflags);
2002 return fd;
2003 }
2004
2005 /*********************************************************************
2006 * _rmtmp (MSVCRT.@)
2007 */
2008 int CDECL MSVCRT__rmtmp(void)
2009 {
2010 int num_removed = 0, i;
2011 MSVCRT_FILE *file;
2012
2013 LOCK_FILES();
2014 for (i = 3; i < MSVCRT_stream_idx; i++) {
2015 file = msvcrt_get_file(i);
2016
2017 if (file->_tmpfname)
2018 {
2019 MSVCRT_fclose(file);
2020 num_removed++;
2021 }
2022 }
2023 UNLOCK_FILES();
2024
2025 if (num_removed)
2026 TRACE(":removed (%d) temp files\n",num_removed);
2027 return num_removed;
2028 }
2029
2030 /*********************************************************************
2031 * (internal) read_i
2032 *
2033 * When reading \r as last character in text mode, read() positions
2034 * the file pointer on the \r character while getc() goes on to
2035 * the following \n
2036 */
2037 static int read_i(int fd, void *buf, unsigned int count)
2038 {
2039 DWORD num_read;
2040 char *bufstart = buf;
2041 HANDLE hand = msvcrt_fdtoh(fd);
2042 ioinfo *fdinfo = msvcrt_get_ioinfo(fd);
2043
2044 if (count == 0)
2045 return 0;
2046
2047 if (fdinfo->wxflag & WX_READEOF) {
2048 fdinfo->wxflag |= WX_ATEOF;
2049 TRACE("already at EOF, returning 0\n");
2050 return 0;
2051 }
2052 /* Don't trace small reads, it gets *very* annoying */
2053 if (count > 4)
2054 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
2055 if (hand == INVALID_HANDLE_VALUE)
2056 return -1;
2057
2058 /* Reading single bytes in O_TEXT mode makes things slow
2059 * So read big chunks
2060 */
2061 if (ReadFile(hand, bufstart, count, &num_read, NULL))
2062 {
2063 if (count != 0 && num_read == 0)
2064 {
2065 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
2066 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
2067 }
2068 else if (fdinfo->wxflag & WX_TEXT)
2069 {
2070 DWORD i, j;
2071 if (bufstart[num_read-1] == '\r')
2072 {
2073 if(count == 1)
2074 {
2075 fdinfo->wxflag &= ~WX_READCR;
2076 ReadFile(hand, bufstart, 1, &num_read, NULL);
2077 }
2078 else
2079 {
2080 fdinfo->wxflag |= WX_READCR;
2081 num_read--;
2082 }
2083 }
2084 else
2085 fdinfo->wxflag &= ~WX_READCR;
2086 for (i=0, j=0; i<num_read; i++)
2087 {
2088 /* in text mode, a ctrl-z signals EOF */
2089 if (bufstart[i] == 0x1a)
2090 {
2091 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
2092 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
2093 break;
2094 }
2095 /* in text mode, strip \r if followed by \n.
2096 * BUG: should save state across calls somehow, so CR LF that
2097 * straddles buffer boundary gets recognized properly?
2098 */
2099 if ((bufstart[i] != '\r')
2100 || ((i+1) < num_read && bufstart[i+1] != '\n'))
2101 bufstart[j++] = bufstart[i];
2102 }
2103 num_read = j;
2104 }
2105 }
2106 else
2107 {
2108 if (GetLastError() == ERROR_BROKEN_PIPE)
2109 {
2110 TRACE(":end-of-pipe\n");
2111 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
2112 return 0;
2113 }
2114 else
2115 {
2116 TRACE(":failed-last error (%d)\n",GetLastError());
2117 return -1;
2118 }
2119 }
2120
2121 if (count > 4)
2122 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
2123 return num_read;
2124 }
2125
2126 /*********************************************************************
2127 * _read (MSVCRT.@)
2128 */
2129 int CDECL MSVCRT__read(int fd, void *buf, unsigned int count)
2130 {
2131 int num_read;
2132 num_read = read_i(fd, buf, count);
2133 return num_read;
2134 }
2135
2136 /*********************************************************************
2137 * _setmode (MSVCRT.@)
2138 */
2139 int CDECL MSVCRT__setmode(int fd,int mode)
2140 {
2141 int ret = msvcrt_get_ioinfo(fd)->wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
2142 if (mode & (~(MSVCRT__O_TEXT|MSVCRT__O_BINARY)))
2143 FIXME("fd (%d) mode (0x%08x) unknown\n",fd,mode);
2144 if ((mode & MSVCRT__O_TEXT) == MSVCRT__O_TEXT)
2145 msvcrt_get_ioinfo(fd)->wxflag |= WX_TEXT;
2146 else
2147 msvcrt_get_ioinfo(fd)->wxflag &= ~WX_TEXT;
2148 return ret;
2149 }
2150
2151 /*********************************************************************
2152 * _stat64 (MSVCRT.@)
2153 */
2154 int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
2155 {
2156 DWORD dw;
2157 WIN32_FILE_ATTRIBUTE_DATA hfi;
2158 unsigned short mode = ALL_S_IREAD;
2159 int plen;
2160
2161 TRACE(":file (%s) buf(%p)\n",path,buf);
2162
2163 if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
2164 {
2165 TRACE("failed (%d)\n",GetLastError());
2166 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
2167 return -1;
2168 }
2169
2170 memset(buf,0,sizeof(struct MSVCRT__stat64));
2171
2172 /* FIXME: rdev isn't drive num, despite what the docs say-what is it?
2173 Bon 011120: This FIXME seems incorrect
2174 Also a letter as first char isn't enough to be classified
2175 as a drive letter
2176 */
2177 if (isalpha(*path)&& (*(path+1)==':'))
2178 buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
2179 else
2180 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2181
2182 plen = strlen(path);
2183
2184 /* Dir, or regular file? */
2185 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
2186 (path[plen-1] == '\\'))
2187 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2188 else
2189 {
2190 mode |= MSVCRT__S_IFREG;
2191 /* executable? */
2192 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2193 {
2194 unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
2195 (tolower(path[plen-3]) << 16);
2196 if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
2197 mode |= ALL_S_IEXEC;
2198 }
2199 }
2200
2201 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2202 mode |= ALL_S_IWRITE;
2203
2204 buf->st_mode = mode;
2205 buf->st_nlink = 1;
2206 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2207 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2208 buf->st_atime = dw;
2209 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2210 buf->st_mtime = buf->st_ctime = dw;
2211 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2212 (int)(buf->st_size >> 32),(int)buf->st_size,
2213 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2214 return 0;
2215 }
2216
2217 /*********************************************************************
2218 * _stati64 (MSVCRT.@)
2219 */
2220 int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf)
2221 {
2222 int ret;
2223 struct MSVCRT__stat64 buf64;
2224
2225 ret = MSVCRT_stat64(path, &buf64);
2226 if (!ret)
2227 msvcrt_stat64_to_stati64(&buf64, buf);
2228 return ret;
2229 }
2230
2231 /*********************************************************************
2232 * _stat (MSVCRT.@)
2233 */
2234 int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf)
2235 { int ret;
2236 struct MSVCRT__stat64 buf64;
2237
2238 ret = MSVCRT_stat64( path, &buf64);
2239 if (!ret)
2240 msvcrt_stat64_to_stat(&buf64, buf);
2241 return ret;
2242 }
2243
2244 /*********************************************************************
2245 * _wstat64 (MSVCRT.@)
2246 */
2247 int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf)
2248 {
2249 DWORD dw;
2250 WIN32_FILE_ATTRIBUTE_DATA hfi;
2251 unsigned short mode = ALL_S_IREAD;
2252 int plen;
2253
2254 TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
2255
2256 if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
2257 {
2258 TRACE("failed (%d)\n",GetLastError());
2259 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
2260 return -1;
2261 }
2262
2263 memset(buf,0,sizeof(struct MSVCRT__stat64));
2264
2265 /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
2266 if (MSVCRT_iswalpha(*path))
2267 buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
2268 else
2269 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2270
2271 plen = strlenW(path);
2272
2273 /* Dir, or regular file? */
2274 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
2275 (path[plen-1] == '\\'))
2276 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2277 else
2278 {
2279 mode |= MSVCRT__S_IFREG;
2280 /* executable? */
2281 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2282 {
2283 ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
2284 ((ULONGLONG)tolowerW(path[plen-3]) << 32);
2285 if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
2286 mode |= ALL_S_IEXEC;
2287 }
2288 }
2289
2290 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2291 mode |= ALL_S_IWRITE;
2292
2293 buf->st_mode = mode;
2294 buf->st_nlink = 1;
2295 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2296 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2297 buf->st_atime = dw;
2298 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2299 buf->st_mtime = buf->st_ctime = dw;
2300 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2301 (int)(buf->st_size >> 32),(int)buf->st_size,
2302 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2303 return 0;
2304 }
2305
2306 /*********************************************************************
2307 * _wstati64 (MSVCRT.@)
2308 */
2309 int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
2310 {
2311 int ret;
2312 struct MSVCRT__stat64 buf64;
2313
2314 ret = MSVCRT__wstat64(path, &buf64);
2315 if (!ret)
2316 msvcrt_stat64_to_stati64(&buf64, buf);
2317 return ret;
2318 }
2319
2320 /*********************************************************************
2321 * _wstat (MSVCRT.@)
2322 */
2323 int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
2324 {
2325 int ret;
2326 struct MSVCRT__stat64 buf64;
2327
2328 ret = MSVCRT__wstat64( path, &buf64 );
2329 if (!ret) msvcrt_stat64_to_stat(&buf64, buf);
2330 return ret;
2331 }
2332
2333 /*********************************************************************
2334 * _tell (MSVCRT.@)
2335 */
2336 MSVCRT_long CDECL MSVCRT__tell(int fd)
2337 {
2338 return MSVCRT__lseek(fd, 0, SEEK_CUR);
2339 }
2340
2341 /*********************************************************************
2342 * _telli64 (MSVCRT.@)
2343 */
2344 __int64 CDECL _telli64(int fd)
2345 {
2346 return MSVCRT__lseeki64(fd, 0, SEEK_CUR);
2347 }
2348
2349 /*********************************************************************
2350 * _tempnam (MSVCRT.@)
2351 */
2352 char * CDECL MSVCRT__tempnam(const char *dir, const char *prefix)
2353 {
2354 char tmpbuf[MAX_PATH];
2355 const char *tmp_dir = MSVCRT_getenv("TMP");
2356
2357 if (tmp_dir) dir = tmp_dir;
2358
2359 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
2360 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
2361 {
2362 TRACE("got name (%s)\n",tmpbuf);
2363 DeleteFileA(tmpbuf);
2364 return MSVCRT__strdup(tmpbuf);
2365 }
2366 TRACE("failed (%d)\n",GetLastError());
2367 return NULL;
2368 }
2369
2370 /*********************************************************************
2371 * _wtempnam (MSVCRT.@)
2372 */
2373 MSVCRT_wchar_t * CDECL MSVCRT__wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
2374 {
2375 static const MSVCRT_wchar_t tmpW[] = {'T','M','P',0};
2376 MSVCRT_wchar_t tmpbuf[MAX_PATH];
2377 const MSVCRT_wchar_t *tmp_dir = MSVCRT__wgetenv(tmpW);
2378
2379 if (tmp_dir) dir = tmp_dir;
2380
2381 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
2382 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
2383 {
2384 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
2385 DeleteFileW(tmpbuf);
2386 return MSVCRT__wcsdup(tmpbuf);
2387 }
2388 TRACE("failed (%d)\n",GetLastError());
2389 return NULL;
2390 }
2391
2392 /*********************************************************************
2393 * _umask (MSVCRT.@)
2394 */
2395 int CDECL MSVCRT__umask(int umask)
2396 {
2397 int old_umask = MSVCRT_umask;
2398 TRACE("(%d)\n",umask);
2399 MSVCRT_umask = umask;
2400 return old_umask;
2401 }
2402
2403 /*********************************************************************
2404 * _utime64 (MSVCRT.@)
2405 */
2406 int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t)
2407 {
2408 int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2409
2410 if (fd > 0)
2411 {
2412 int retVal = _futime64(fd, t);
2413 MSVCRT__close(fd);
2414 return retVal;
2415 }
2416 return -1;
2417 }
2418
2419 /*********************************************************************
2420 * _utime32 (MSVCRT.@)
2421 */
2422 int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t)
2423 {
2424 if (t)
2425 {
2426 struct MSVCRT___utimbuf64 t64;
2427 t64.actime = t->actime;
2428 t64.modtime = t->modtime;
2429 return _utime64( path, &t64 );
2430 }
2431 else
2432 return _utime64( path, NULL );
2433 }
2434
2435 /*********************************************************************
2436 * _utime (MSVCRT.@)
2437 */
2438 #ifdef _WIN64
2439 int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t)
2440 {
2441 return _utime64( path, t );
2442 }
2443 #else
2444 int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t)
2445 {
2446 return _utime32( path, t );
2447 }
2448 #endif
2449
2450 /*********************************************************************
2451 * _wutime64 (MSVCRT.@)
2452 */
2453 int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2454 {
2455 int fd = MSVCRT__wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2456
2457 if (fd > 0)
2458 {
2459 int retVal = _futime64(fd, t);
2460 MSVCRT__close(fd);
2461 return retVal;
2462 }
2463 return -1;
2464 }
2465
2466 /*********************************************************************
2467 * _wutime32 (MSVCRT.@)
2468 */
2469 int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2470 {
2471 if (t)
2472 {
2473 struct MSVCRT___utimbuf64 t64;
2474 t64.actime = t->actime;
2475 t64.modtime = t->modtime;
2476 return _wutime64( path, &t64 );
2477 }
2478 else
2479 return _wutime64( path, NULL );
2480 }
2481
2482 /*********************************************************************
2483 * _wutime (MSVCRT.@)
2484 */
2485 #ifdef _WIN64
2486 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2487 {
2488 return _wutime64( path, t );
2489 }
2490 #else
2491 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2492 {
2493 return _wutime32( path, t );
2494 }
2495 #endif
2496
2497 /*********************************************************************
2498 * _write (MSVCRT.@)
2499 */
2500 int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
2501 {
2502 DWORD num_written;
2503 HANDLE hand = msvcrt_fdtoh(fd);
2504
2505 /* Don't trace small writes, it gets *very* annoying */
2506 #if 0
2507 if (count > 32)
2508 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
2509 #endif
2510 if (hand == INVALID_HANDLE_VALUE)
2511 {
2512 *MSVCRT__errno() = MSVCRT_EBADF;
2513 return -1;
2514 }
2515
2516 /* If appending, go to EOF */
2517 if (msvcrt_get_ioinfo(fd)->wxflag & WX_APPEND)
2518 MSVCRT__lseek(fd, 0, FILE_END);
2519
2520 if (!(msvcrt_get_ioinfo(fd)->wxflag & WX_TEXT))
2521 {
2522 if (WriteFile(hand, buf, count, &num_written, NULL)
2523 && (num_written == count))
2524 return num_written;
2525 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
2526 hand, GetLastError());
2527 *MSVCRT__errno() = MSVCRT_ENOSPC;
2528 }
2529 else
2530 {
2531 unsigned int i, j, nr_lf;
2532 char *p = NULL;
2533 const char *q;
2534 const char *s = buf, *buf_start = buf;
2535 /* find number of \n ( without preceding \r ) */
2536 for ( nr_lf=0,i = 0; i <count; i++)
2537 {
2538 if (s[i]== '\n')
2539 {
2540 nr_lf++;
2541 /*if ((i >1) && (s[i-1] == '\r')) nr_lf--; */
2542 }
2543 }
2544 if (nr_lf)
2545 {
2546 if ((q = p = MSVCRT_malloc(count + nr_lf)))
2547 {
2548 for (s = buf, i = 0, j = 0; i < count; i++)
2549 {
2550 if (s[i]== '\n')
2551 {
2552 p[j++] = '\r';
2553 /*if ((i >1) && (s[i-1] == '\r'))j--;*/
2554 }
2555 p[j++] = s[i];
2556 }
2557 }
2558 else
2559 {
2560 FIXME("Malloc failed\n");
2561 nr_lf =0;
2562 q = buf;
2563 }
2564 }
2565 else
2566 q = buf;
2567
2568 if ((WriteFile(hand, q, count+nr_lf, &num_written, NULL) == 0 ) || (num_written != count+nr_lf))
2569 {
2570 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
2571 fd, hand, GetLastError(), num_written);
2572 *MSVCRT__errno() = MSVCRT_ENOSPC;
2573 if(nr_lf)
2574 MSVCRT_free(p);
2575 return s - buf_start;
2576 }
2577 else
2578 {
2579 if(nr_lf)
2580 MSVCRT_free(p);
2581 return count;
2582 }
2583 }
2584 return -1;
2585 }
2586
2587 /*********************************************************************
2588 * _putw (MSVCRT.@)
2589 */
2590 int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
2591 {
2592 int len;
2593
2594 MSVCRT__lock_file(file);
2595 len = MSVCRT__write(file->_file, &val, sizeof(val));
2596 if (len == sizeof(val)) {
2597 MSVCRT__unlock_file(file);
2598 return val;
2599 }
2600
2601 file->_flag |= MSVCRT__IOERR;
2602 MSVCRT__unlock_file(file);
2603 return MSVCRT_EOF;
2604 }
2605
2606 /*********************************************************************
2607 * fclose (MSVCRT.@)
2608 */
2609 int CDECL MSVCRT_fclose(MSVCRT_FILE* file)
2610 {
2611 int r, flag;
2612
2613 MSVCRT__lock_file(file);
2614 flag = file->_flag;
2615 MSVCRT_free(file->_tmpfname);
2616 file->_tmpfname = NULL;
2617 /* flush stdio buffers */
2618 if(file->_flag & MSVCRT__IOWRT)
2619 MSVCRT_fflush(file);
2620 if(file->_flag & MSVCRT__IOMYBUF)
2621 MSVCRT_free(file->_base);
2622
2623 r=MSVCRT__close(file->_file);
2624
2625 file->_flag = 0;
2626 MSVCRT__unlock_file(file);
2627
2628 return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
2629 }
2630
2631 /*********************************************************************
2632 * feof (MSVCRT.@)
2633 */
2634 int CDECL MSVCRT_feof(MSVCRT_FILE* file)
2635 {
2636 return file->_flag & MSVCRT__IOEOF;
2637 }
2638
2639 /*********************************************************************
2640 * ferror (MSVCRT.@)
2641 */
2642 int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
2643 {
2644 return file->_flag & MSVCRT__IOERR;
2645 }
2646
2647 /*********************************************************************
2648 * _filbuf (MSVCRT.@)
2649 */
2650 int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
2651 {
2652 unsigned char c;
2653 MSVCRT__lock_file(file);
2654
2655 /* Allocate buffer if needed */
2656 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF))
2657 msvcrt_alloc_buffer(file);
2658
2659 if(!(file->_flag & MSVCRT__IOREAD)) {
2660 if(file->_flag & MSVCRT__IORW)
2661 file->_flag |= MSVCRT__IOREAD;
2662 else {
2663 MSVCRT__unlock_file(file);
2664 return MSVCRT_EOF;
2665 }
2666 }
2667
2668 if(file->_flag & MSVCRT__IONBF) {
2669 int r;
2670 if ((r = read_i(file->_file,&c,1)) != 1) {
2671 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2672 MSVCRT__unlock_file(file);
2673 return MSVCRT_EOF;
2674 }
2675
2676 MSVCRT__unlock_file(file);
2677 return c;
2678 } else {
2679 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
2680 if(file->_cnt<=0) {
2681 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2682 file->_cnt = 0;
2683 MSVCRT__unlock_file(file);
2684 return MSVCRT_EOF;
2685 }
2686
2687 file->_cnt--;
2688 file->_ptr = file->_base+1;
2689 c = *(unsigned char *)file->_base;
2690 MSVCRT__unlock_file(file);
2691 return c;
2692 }
2693 }
2694
2695 /*********************************************************************
2696 * fgetc (MSVCRT.@)
2697 */
2698 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
2699 {
2700 unsigned char *i;
2701 unsigned int j;
2702
2703 MSVCRT__lock_file(file);
2704 if (file->_cnt>0) {
2705 file->_cnt--;
2706 i = (unsigned char *)file->_ptr++;
2707 j = *i;
2708 } else
2709 j = MSVCRT__filbuf(file);
2710
2711 MSVCRT__unlock_file(file);
2712 return j;
2713 }
2714
2715 /*********************************************************************
2716 * _fgetchar (MSVCRT.@)
2717 */
2718 int CDECL MSVCRT__fgetchar(void)
2719 {
2720 return MSVCRT_fgetc(MSVCRT_stdin);
2721 }
2722
2723 /*********************************************************************
2724 * fgets (MSVCRT.@)
2725 */
2726 char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
2727 {
2728 int cc = MSVCRT_EOF;
2729 char * buf_start = s;
2730
2731 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2732 file,file->_file,s,size);
2733
2734 MSVCRT__lock_file(file);
2735
2736 while ((size >1) && (cc = MSVCRT_fgetc(file)) != MSVCRT_EOF && cc != '\n')
2737 {
2738 *s++ = (char)cc;
2739 size --;
2740 }
2741 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
2742 {
2743 TRACE(":nothing read\n");
2744 MSVCRT__unlock_file(file);
2745 return NULL;
2746 }
2747 if ((cc != MSVCRT_EOF) && (size > 1))
2748 *s++ = cc;
2749 *s = '\0';
2750 TRACE(":got %s\n", debugstr_a(buf_start));
2751 MSVCRT__unlock_file(file);
2752 return buf_start;
2753 }
2754
2755 /*********************************************************************
2756 * fgetwc (MSVCRT.@)
2757 *
2758 * In MSVCRT__O_TEXT mode, multibyte characters are read from the file, dropping
2759 * the CR from CR/LF combinations
2760 */
2761 MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
2762 {
2763 int c;
2764
2765 MSVCRT__lock_file(file);
2766 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT))
2767 {
2768 MSVCRT_wchar_t wc;
2769 unsigned int i;
2770 int j;
2771 char *chp, *wcp;
2772 wcp = (char *)&wc;
2773 for(i=0; i<sizeof(wc); i++)
2774 {
2775 if (file->_cnt>0)
2776 {
2777 file->_cnt--;
2778 chp = file->_ptr++;
2779 wcp[i] = *chp;
2780 }
2781 else
2782 {
2783 j = MSVCRT__filbuf(file);
2784 if(file->_cnt<=0)
2785 {
2786 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2787 file->_cnt = 0;
2788
2789 MSVCRT__unlock_file(file);
2790 return MSVCRT_WEOF;
2791 }
2792 wcp[i] = j;
2793 }
2794 }
2795
2796 MSVCRT__unlock_file(file);
2797 return wc;
2798 }
2799
2800 c = MSVCRT_fgetc(file);
2801 if ((get_locinfo()->mb_cur_max > 1) && MSVCRT_isleadbyte(c))
2802 {
2803 FIXME("Treat Multibyte characters\n");
2804 }
2805
2806 MSVCRT__unlock_file(file);
2807 if (c == MSVCRT_EOF)
2808 return MSVCRT_WEOF;
2809 else
2810 return (MSVCRT_wint_t)c;
2811 }
2812
2813 /*********************************************************************
2814 * _getw (MSVCRT.@)
2815 */
2816 int CDECL MSVCRT__getw(MSVCRT_FILE* file)
2817 {
2818 char *ch;
2819 int i, k;
2820 unsigned int j;
2821 ch = (char *)&i;
2822
2823 MSVCRT__lock_file(file);
2824 for (j=0; j<sizeof(int); j++) {
2825 k = MSVCRT_fgetc(file);
2826 if (k == MSVCRT_EOF) {
2827 file->_flag |= MSVCRT__IOEOF;
2828 MSVCRT__unlock_file(file);
2829 return EOF;
2830 }
2831 ch[j] = k;
2832 }
2833
2834 MSVCRT__unlock_file(file);
2835 return i;
2836 }
2837
2838 /*********************************************************************
2839 * getwc (MSVCRT.@)
2840 */
2841 MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
2842 {
2843 return MSVCRT_fgetwc(file);
2844 }
2845
2846 /*********************************************************************
2847 * _fgetwchar (MSVCRT.@)
2848 */
2849 MSVCRT_wint_t CDECL MSVCRT__fgetwchar(void)
2850 {
2851 return MSVCRT_fgetwc(MSVCRT_stdin);
2852 }
2853
2854 /*********************************************************************
2855 * getwchar (MSVCRT.@)
2856 */
2857 MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
2858 {
2859 return MSVCRT__fgetwchar();
2860 }
2861
2862 /*********************************************************************
2863 * fgetws (MSVCRT.@)
2864 */
2865 MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
2866 {
2867 int cc = MSVCRT_WEOF;
2868 MSVCRT_wchar_t * buf_start = s;
2869
2870 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2871 file,file->_file,s,size);
2872
2873 MSVCRT__lock_file(file);
2874
2875 while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n')
2876 {
2877 *s++ = (char)cc;
2878 size --;
2879 }
2880 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
2881 {
2882 TRACE(":nothing read\n");
2883 MSVCRT__unlock_file(file);
2884 return NULL;
2885 }
2886 if ((cc != MSVCRT_WEOF) && (size > 1))
2887 *s++ = cc;
2888 *s = 0;
2889 TRACE(":got %s\n", debugstr_w(buf_start));
2890 MSVCRT__unlock_file(file);
2891 return buf_start;
2892 }
2893
2894 /*********************************************************************
2895 * fwrite (MSVCRT.@)
2896 */
2897 MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
2898 {
2899 MSVCRT_size_t wrcnt=size * nmemb;
2900 int written = 0;
2901 if (size == 0)
2902 return 0;
2903
2904 MSVCRT__lock_file(file);
2905 if(file->_cnt) {
2906 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
2907 memcpy(file->_ptr, ptr, pcnt);
2908 file->_cnt -= pcnt;
2909 file->_ptr += pcnt;
2910 written = pcnt;
2911 wrcnt -= pcnt;
2912 ptr = (const char*)ptr + pcnt;
2913 } else if(!(file->_flag & MSVCRT__IOWRT)) {
2914 if(file->_flag & MSVCRT__IORW) {
2915 file->_flag |= MSVCRT__IOWRT;
2916 } else {
2917 MSVCRT__unlock_file(file);
2918 return 0;
2919 }
2920 }
2921 if(wrcnt) {
2922 /* Flush buffer */
2923 int res=msvcrt_flush_buffer(file);
2924 if(!res) {
2925 int pwritten = MSVCRT__write(file->_file, ptr, wrcnt);
2926 if (pwritten <= 0)
2927 {
2928 file->_flag |= MSVCRT__IOERR;
2929 pwritten=0;
2930 }
2931 written += pwritten;
2932 }
2933 }
2934
2935 MSVCRT__unlock_file(file);
2936 return written / size;
2937 }
2938
2939 /*********************************************************************
2940 * fputwc (MSVCRT.@)
2941 */
2942 MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
2943 {
2944 MSVCRT_wchar_t mwc=wc;
2945 if (MSVCRT_fwrite( &mwc, sizeof(mwc), 1, file) != 1)
2946 return MSVCRT_WEOF;
2947 return wc;
2948 }
2949
2950 /*********************************************************************
2951 * _fputwchar (MSVCRT.@)
2952 */
2953 MSVCRT_wint_t CDECL MSVCRT__fputwchar(MSVCRT_wint_t wc)
2954 {
2955 return MSVCRT_fputwc(wc, MSVCRT_stdout);
2956 }
2957
2958 /*********************************************************************
2959 * _wfsopen (MSVCRT.@)
2960 */
2961 MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
2962 {
2963 MSVCRT_FILE* file;
2964 int open_flags, stream_flags, fd;
2965
2966 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
2967
2968 /* map mode string to open() flags. "man fopen" for possibilities. */
2969 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
2970 return NULL;
2971
2972 LOCK_FILES();
2973 fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
2974 if (fd < 0)
2975 file = NULL;
2976 else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
2977 != -1)
2978 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
2979 else if (file)
2980 {
2981 file->_flag = 0;
2982 file = NULL;
2983 }
2984
2985 TRACE(":got (%p)\n",file);
2986 if (fd >= 0 && !file)
2987 MSVCRT__close(fd);
2988 UNLOCK_FILES();
2989 return file;
2990 }
2991
2992 /*********************************************************************
2993 * _fsopen (MSVCRT.@)
2994 */
2995 MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
2996 {
2997 MSVCRT_FILE *ret;
2998 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
2999
3000 if (path && !(pathW = msvcrt_wstrdupa(path))) {
3001 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3002 *MSVCRT__errno() = MSVCRT_EINVAL;
3003 return NULL;
3004 }
3005 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3006 {
3007 MSVCRT_free(pathW);
3008 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3009 *MSVCRT__errno() = MSVCRT_EINVAL;
3010 return NULL;
3011 }
3012
3013 ret = MSVCRT__wfsopen(pathW, modeW, share);
3014
3015 MSVCRT_free(pathW);
3016 MSVCRT_free(modeW);
3017 return ret;
3018 }
3019
3020 /*********************************************************************
3021 * fopen (MSVCRT.@)
3022 */
3023 MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
3024 {
3025 return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
3026 }
3027
3028 /*********************************************************************
3029 * fopen_s (MSVCRT.@)
3030 */
3031 int CDECL MSVCRT_fopen_s(MSVCRT_FILE** pFile,
3032 const char *filename, const char *mode)
3033 {
3034 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3035 if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
3036 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3037
3038 *pFile = MSVCRT_fopen(filename, mode);
3039
3040 if(!*pFile)
3041 return *MSVCRT__errno();
3042 return 0;
3043 }
3044
3045 /*********************************************************************
3046 * _wfopen (MSVCRT.@)
3047 */
3048 MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
3049 {
3050 return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
3051 }
3052
3053 /*********************************************************************
3054 * _wfopen_s (MSVCRT.@)
3055 */
3056 int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename,
3057 const MSVCRT_wchar_t *mode)
3058 {
3059 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3060 if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
3061 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3062
3063 *pFile = MSVCRT__wfopen(filename, mode);
3064
3065 if(!*pFile)
3066 return *MSVCRT__errno();
3067 return 0;
3068 }
3069
3070 /*********************************************************************
3071 * _flsbuf (MSVCRT.@)
3072 */
3073 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
3074 {
3075 /* Flush output buffer */
3076 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
3077 msvcrt_alloc_buffer(file);
3078 }
3079 if(!(file->_flag & MSVCRT__IOWRT)) {
3080 if(file->_flag & MSVCRT__IORW)
3081 file->_flag |= MSVCRT__IOWRT;
3082 else
3083 return MSVCRT_EOF;
3084 }
3085 if(file->_bufsiz) {
3086 int res = 0;
3087
3088 if(file->_cnt <= 0)
3089 res = msvcrt_flush_buffer(file);
3090 if(!res) {
3091 *file->_ptr++ = c;
3092 file->_cnt--;
3093 res = msvcrt_flush_buffer(file);
3094 }
3095
3096 return res ? res : c&0xff;
3097 } else {
3098 unsigned char cc=c;
3099 int len;
3100 /* set _cnt to 0 for unbuffered FILEs */
3101 file->_cnt = 0;
3102 len = MSVCRT__write(file->_file, &cc, 1);
3103 if (len == 1)
3104 return c & 0xff;
3105 file->_flag |= MSVCRT__IOERR;
3106 return MSVCRT_EOF;
3107 }
3108 }
3109
3110 /*********************************************************************
3111 * fputc (MSVCRT.@)
3112 */
3113 int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
3114 {
3115 int res;
3116
3117 MSVCRT__lock_file(file);
3118 if(file->_cnt>0) {
3119 *file->_ptr++=c;
3120 file->_cnt--;
3121 if (c == '\n')
3122 {
3123 res = msvcrt_flush_buffer(file);
3124 MSVCRT__unlock_file(file);
3125 return res ? res : c;
3126 }
3127 else {
3128 MSVCRT__unlock_file(file);
3129 return c & 0xff;
3130 }
3131 } else {
3132 res = MSVCRT__flsbuf(c, file);
3133 MSVCRT__unlock_file(file);
3134 return res;
3135 }
3136 }
3137
3138 /*********************************************************************
3139 * _fputchar (MSVCRT.@)
3140 */
3141 int CDECL MSVCRT__fputchar(int c)
3142 {
3143 return MSVCRT_fputc(c, MSVCRT_stdout);
3144 }
3145
3146 /*********************************************************************
3147 * fread (MSVCRT.@)
3148 */
3149 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3150 {
3151 MSVCRT_size_t rcnt=size * nmemb;
3152 MSVCRT_size_t read=0;
3153 int pread=0;
3154
3155 if(!rcnt)
3156 return 0;
3157
3158 MSVCRT__lock_file(file);
3159
3160 /* first buffered data */
3161 if(file->_cnt>0) {
3162 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
3163 memcpy(ptr, file->_ptr, pcnt);
3164 file->_cnt -= pcnt;
3165 file->_ptr += pcnt;
3166 read += pcnt ;
3167 rcnt -= pcnt ;
3168 ptr = (char*)ptr + pcnt;
3169 } else if(!(file->_flag & MSVCRT__IOREAD )) {
3170 if(file->_flag & MSVCRT__IORW) {
3171 file->_flag |= MSVCRT__IOREAD;
3172 } else {
3173 MSVCRT__unlock_file(file);
3174 return 0;
3175 }
3176 }
3177 while(rcnt>0)
3178 {
3179 int i;
3180 /* Fill the buffer on small reads.
3181 * TODO: Use a better buffering strategy.
3182 */
3183 if (!file->_cnt && size*nmemb <= MSVCRT_BUFSIZ/2 && !(file->_flag & MSVCRT__IONBF)) {
3184 if (file->_bufsiz == 0) {
3185 msvcrt_alloc_buffer(file);
3186 }
3187 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
3188 file->_ptr = file->_base;
3189 i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
3190 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
3191 if (i > 0 && i < file->_cnt) {
3192 msvcrt_get_ioinfo(file->_file)->wxflag &= ~WX_ATEOF;
3193 file->_flag &= ~MSVCRT__IOEOF;
3194 }
3195 if (i > 0) {
3196 memcpy(ptr, file->_ptr, i);
3197 file->_cnt -= i;
3198 file->_ptr += i;
3199 }
3200 } else {
3201 i = MSVCRT__read(file->_file,ptr, rcnt);
3202 }
3203 pread += i;
3204 rcnt -= i;
3205 ptr = (char *)ptr+i;
3206 /* expose feof condition in the flags
3207 * MFC tests file->_flag for feof, and doesn't call feof())
3208 */
3209 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_ATEOF)
3210 file->_flag |= MSVCRT__IOEOF;
3211 else if (i == -1)
3212 {
3213 file->_flag |= MSVCRT__IOERR;
3214 pread = 0;
3215 rcnt = 0;
3216 }
3217 if (i < 1) break;
3218 }
3219 read+=pread;
3220 MSVCRT__unlock_file(file);
3221 return read / size;
3222 }
3223
3224 /*********************************************************************
3225 * _wfreopen (MSVCRT.@)
3226 *
3227 */
3228 MSVCRT_FILE* CDECL MSVCRT__wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
3229 {
3230 int open_flags, stream_flags, fd;
3231
3232 TRACE(":path (%s) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file->_file);
3233
3234 LOCK_FILES();
3235 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
3236 file = NULL;
3237 else
3238 {
3239 MSVCRT_fclose(file);
3240 /* map mode string to open() flags. "man fopen" for possibilities. */
3241 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
3242 file = NULL;
3243 else
3244 {
3245 fd = MSVCRT__wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
3246 if (fd < 0)
3247 file = NULL;
3248 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
3249 {
3250 file->_flag = 0;
3251 WARN(":failed-last error (%d)\n",GetLastError());
3252 msvcrt_set_errno(GetLastError());
3253 file = NULL;
3254 }
3255 }
3256 }
3257 UNLOCK_FILES();
3258 return file;
3259 }
3260
3261 /*********************************************************************
3262 * _wfreopen_s (MSVCRT.@)
3263 */
3264 int CDECL MSVCRT__wfreopen_s(MSVCRT_FILE** pFile,
3265 const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
3266 {
3267 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3268 if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
3269 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3270 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
3271
3272 *pFile = MSVCRT__wfreopen(path, mode, file);
3273
3274 if(!*pFile)
3275 return *MSVCRT__errno();
3276 return 0;
3277 }
3278
3279 /*********************************************************************
3280 * freopen (MSVCRT.@)
3281 *
3282 */
3283 MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
3284 {
3285 MSVCRT_FILE *ret;
3286 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3287
3288 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
3289 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3290 {
3291 MSVCRT_free(pathW);
3292 return NULL;
3293 }
3294
3295 ret = MSVCRT__wfreopen(pathW, modeW, file);
3296
3297 MSVCRT_free(pathW);
3298 MSVCRT_free(modeW);
3299 return ret;
3300 }
3301
3302 /*********************************************************************
3303 * freopen_s (MSVCRT.@)
3304 */
3305 int CDECL MSVCRT_freopen_s(MSVCRT_FILE** pFile,
3306 const char *path, const char *mode, MSVCRT_FILE* file)
3307 {
3308 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3309 if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
3310 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3311 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
3312
3313 *pFile = MSVCRT_freopen(path, mode, file);
3314
3315 if(!*pFile)
3316 return *MSVCRT__errno();
3317 return 0;
3318 }
3319
3320 /*********************************************************************
3321 * fsetpos (MSVCRT.@)
3322 */
3323 int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3324 {
3325 int ret;
3326
3327 MSVCRT__lock_file(file);
3328 /* Note that all this has been lifted 'as is' from fseek */
3329 if(file->_flag & MSVCRT__IOWRT)
3330 msvcrt_flush_buffer(file);
3331
3332 /* Discard buffered input */
3333 file->_cnt = 0;
3334 file->_ptr = file->_base;
3335
3336 /* Reset direction of i/o */
3337 if(file->_flag & MSVCRT__IORW) {
3338 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
3339 }
3340
3341 ret = (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
3342 MSVCRT__unlock_file(file);
3343 return ret;
3344 }
3345
3346 /*********************************************************************
3347 * _ftelli64 (MSVCRT.@)
3348 */
3349 __int64 CDECL MSVCRT__ftelli64(MSVCRT_FILE* file)
3350 {
3351 /* TODO: just call fgetpos and return lower half of result */
3352 int off=0;
3353 __int64 pos;
3354
3355 MSVCRT__lock_file(file);
3356 pos = _telli64(file->_file);
3357 if(pos == -1) {
3358 MSVCRT__unlock_file(file);
3359 return -1;
3360 }
3361 if(file->_bufsiz) {
3362 if( file->_flag & MSVCRT__IOWRT ) {
3363 off = file->_ptr - file->_base;
3364 } else {
3365 off = -file->_cnt;
3366 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3367 /* Black magic correction for CR removal */
3368 int i;
3369 for (i=0; i<file->_cnt; i++) {
3370 if (file->_ptr[i] == '\n')
3371 off--;
3372 }
3373 /* Black magic when reading CR at buffer boundary*/
3374 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
3375 off--;
3376 }
3377 }
3378 }
3379
3380 MSVCRT__unlock_file(file);
3381 return off + pos;
3382 }
3383
3384 /*********************************************************************
3385 * ftell (MSVCRT.@)
3386 */
3387 LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
3388 {
3389 return MSVCRT__ftelli64(file);
3390 }
3391
3392 /*********************************************************************
3393 * fgetpos (MSVCRT.@)
3394 */
3395 int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3396 {
3397 int off=0;
3398
3399 MSVCRT__lock_file(file);
3400 *pos = MSVCRT__lseeki64(file->_file,0,SEEK_CUR);
3401 if(*pos == -1) {
3402 MSVCRT__unlock_file(file);
3403 return -1;
3404 }
3405 if(file->_bufsiz) {
3406 if( file->_flag & MSVCRT__IOWRT ) {
3407 off = file->_ptr - file->_base;
3408 } else {
3409 off = -file->_cnt;
3410 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3411 /* Black magic correction for CR removal */
3412 int i;
3413 for (i=0; i<file->_cnt; i++) {
3414 if (file->_ptr[i] == '\n')
3415 off--;
3416 }
3417 /* Black magic when reading CR at buffer boundary*/
3418 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
3419 off--;
3420 }
3421 }
3422 }
3423 *pos += off;
3424 MSVCRT__unlock_file(file);
3425 return 0;
3426 }
3427
3428 /*********************************************************************
3429 * fputs (MSVCRT.@)
3430 */
3431 int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
3432 {
3433 MSVCRT_size_t i, len = strlen(s);
3434 int ret;
3435
3436 MSVCRT__lock_file(file);
3437 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3438 ret = MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
3439 MSVCRT__unlock_file(file);
3440 return ret;
3441 }
3442 for (i=0; i<len; i++)
3443 if (MSVCRT_fputc(s[i], file) == MSVCRT_EOF) {
3444 MSVCRT__unlock_file(file);
3445 return MSVCRT_EOF;
3446 }
3447
3448 MSVCRT__unlock_file(file);
3449 return 0;
3450 }
3451
3452 /*********************************************************************
3453 * fputws (MSVCRT.@)
3454 */
3455 int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
3456 {
3457 MSVCRT_size_t i, len = strlenW(s);
3458 int ret;
3459
3460 MSVCRT__lock_file(file);
3461 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3462 ret = MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
3463 MSVCRT__unlock_file(file);
3464 return ret;
3465 }
3466 for (i=0; i<len; i++) {
3467 if (((s[i] == '\n') && (MSVCRT_fputc('\r', file) == MSVCRT_EOF))
3468 || MSVCRT_fputwc(s[i], file) == MSVCRT_WEOF) {
3469 MSVCRT__unlock_file(file);
3470 return MSVCRT_WEOF;
3471 }
3472 }
3473
3474 MSVCRT__unlock_file(file);
3475 return 0;
3476 }
3477
3478 /*********************************************************************
3479 * getchar (MSVCRT.@)
3480 */
3481 int CDECL MSVCRT_getchar(void)
3482 {
3483 return MSVCRT_fgetc(MSVCRT_stdin);
3484 }
3485
3486 /*********************************************************************
3487 * getc (MSVCRT.@)
3488 */
3489 int CDECL MSVCRT_getc(MSVCRT_FILE* file)
3490 {
3491 return MSVCRT_fgetc(file);
3492 }
3493
3494 /*********************************************************************
3495 * gets (MSVCRT.@)
3496 */
3497 char * CDECL MSVCRT_gets(char *buf)
3498 {
3499 int cc;
3500 char * buf_start = buf;
3501
3502 MSVCRT__lock_file(MSVCRT_stdin);
3503 for(cc = MSVCRT_fgetc(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
3504 cc = MSVCRT_fgetc(MSVCRT_stdin))
3505 if(cc != '\r') *buf++ = (char)cc;
3506
3507 *buf = '\0';
3508
3509 TRACE("got '%s'\n", buf_start);
3510 MSVCRT__unlock_file(MSVCRT_stdin);
3511 return buf_start;
3512 }
3513
3514 /*********************************************************************
3515 * _getws (MSVCRT.@)
3516 */
3517 MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
3518 {
3519 MSVCRT_wint_t cc;
3520 MSVCRT_wchar_t* ws = buf;
3521
3522 MSVCRT__lock_file(MSVCRT_stdin);
3523 for (cc = MSVCRT_fgetwc(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
3524 cc = MSVCRT_fgetwc(MSVCRT_stdin))
3525 {
3526 if (cc != '\r')
3527 *buf++ = (MSVCRT_wchar_t)cc;
3528 }
3529 *buf = '\0';
3530
3531 TRACE("got %s\n", debugstr_w(ws));
3532 MSVCRT__unlock_file(MSVCRT_stdin);
3533 return ws;
3534 }
3535
3536 /*********************************************************************
3537 * putc (MSVCRT.@)
3538 */
3539 int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
3540 {
3541 return MSVCRT_fputc(c, file);
3542 }
3543
3544 /*********************************************************************
3545 * putchar (MSVCRT.@)
3546 */
3547 int CDECL MSVCRT_putchar(int c)
3548 {
3549 return MSVCRT_fputc(c, MSVCRT_stdout);
3550 }
3551
3552 /*********************************************************************
3553 * _putwch (MSVCRT.@)
3554 */
3555 int CDECL MSVCRT__putwch(int c)
3556 {
3557 return MSVCRT_fputwc(c, MSVCRT_stdout);
3558 }
3559
3560 /*********************************************************************
3561 * puts (MSVCRT.@)
3562 */
3563 int CDECL MSVCRT_puts(const char *s)
3564 {
3565 MSVCRT_size_t len = strlen(s);
3566 int ret;
3567
3568 MSVCRT__lock_file(MSVCRT_stdout);
3569 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
3570 MSVCRT__unlock_file(MSVCRT_stdout);
3571 return MSVCRT_EOF;
3572 }
3573
3574 ret = MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3575 MSVCRT__unlock_file(MSVCRT_stdout);
3576 return ret;
3577 }
3578
3579 /*********************************************************************
3580 * _putws (MSVCRT.@)
3581 */
3582 int CDECL MSVCRT__putws(const MSVCRT_wchar_t *s)
3583 {
3584 static const MSVCRT_wchar_t nl = '\n';
3585 MSVCRT_size_t len = strlenW(s);
3586 int ret;
3587
3588 MSVCRT__lock_file(MSVCRT_stdout);
3589 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
3590 MSVCRT__unlock_file(MSVCRT_stdout);
3591 return MSVCRT_EOF;
3592 }
3593
3594 ret = MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3595 MSVCRT__unlock_file(MSVCRT_stdout);
3596 return ret;
3597 }
3598
3599 /*********************************************************************
3600 * remove (MSVCRT.@)
3601 */
3602 int CDECL MSVCRT_remove(const char *path)
3603 {
3604 TRACE("(%s)\n",path);
3605 if (DeleteFileA(path))
3606 return 0;
3607 TRACE(":failed (%d)\n",GetLastError());
3608 msvcrt_set_errno(GetLastError());
3609 return -1;
3610 }
3611
3612 /*********************************************************************
3613 * _wremove (MSVCRT.@)
3614 */
3615 int CDECL MSVCRT__wremove(const MSVCRT_wchar_t *path)
3616 {
3617 TRACE("(%s)\n",debugstr_w(path));
3618 if (DeleteFileW(path))
3619 return 0;
3620 TRACE(":failed (%d)\n",GetLastError());
3621 msvcrt_set_errno(GetLastError());
3622 return -1;
3623 }
3624
3625 /*********************************************************************
3626 * rename (MSVCRT.@)
3627 */
3628 int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
3629 {
3630 TRACE(":from %s to %s\n",oldpath,newpath);
3631 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3632 return 0;
3633 TRACE(":failed (%d)\n",GetLastError());
3634 msvcrt_set_errno(GetLastError());
3635 return -1;
3636 }
3637
3638 /*********************************************************************
3639 * _wrename (MSVCRT.@)
3640 */
3641 int CDECL MSVCRT__wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
3642 {
3643 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
3644 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3645 return 0;
3646 TRACE(":failed (%d)\n",GetLastError());
3647 msvcrt_set_errno(GetLastError());
3648 return -1;
3649 }
3650
3651 /*********************************************************************
3652 * setvbuf (MSVCRT.@)
3653 */
3654 int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
3655 {
3656 MSVCRT__lock_file(file);
3657 if(file->_bufsiz) {
3658 MSVCRT_free(file->_base);
3659 file->_bufsiz = 0;
3660 file->_cnt = 0;
3661 }
3662 if(mode == MSVCRT__IOFBF) {
3663 file->_flag &= ~MSVCRT__IONBF;
3664 file->_base = file->_ptr = buf;
3665 if(buf) {
3666 file->_bufsiz = size;
3667 }
3668 } else {
3669 file->_flag |= MSVCRT__IONBF;
3670 }
3671 MSVCRT__unlock_file(file);
3672 return 0;
3673 }
3674
3675 /*********************************************************************
3676 * setbuf (MSVCRT.@)
3677 */
3678 void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
3679 {
3680 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
3681 }
3682
3683 /*********************************************************************
3684 * tmpnam (MSVCRT.@)
3685 */
3686 char * CDECL MSVCRT_tmpnam(char *s)
3687 {
3688 char tmpstr[16];
3689 char *p;
3690 int count, size;
3691
3692 if (!s) {
3693 thread_data_t *data = msvcrt_get_thread_data();
3694
3695 if(!data->tmpnam_buffer)
3696 data->tmpnam_buffer = MSVCRT_malloc(MAX_PATH);
3697
3698 s = data->tmpnam_buffer;
3699 }
3700
3701 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
3702 p = s + sprintf(s, "\\s%s.", tmpstr);
3703 for (count = 0; count < MSVCRT_TMP_MAX; count++)
3704 {
3705 size = msvcrt_int_to_base32(tmpnam_unique++, tmpstr);
3706 memcpy(p, tmpstr, size);
3707 p[size] = '\0';
3708 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
3709 GetLastError() == ERROR_FILE_NOT_FOUND)
3710 break;
3711 }
3712 return s;
3713 }
3714
3715 /*********************************************************************
3716 * _wtmpnam (MSVCRT.@)
3717 */
3718 MSVCRT_wchar_t * CDECL MSVCRT_wtmpnam(MSVCRT_wchar_t *s)
3719 {
3720 static const MSVCRT_wchar_t format[] = {'\\','s','%','s','.',0};
3721 MSVCRT_wchar_t tmpstr[16];
3722 MSVCRT_wchar_t *p;
3723 int count, size;
3724 if (!s) {
3725 thread_data_t *data = msvcrt_get_thread_data();
3726
3727 if(!data->wtmpnam_buffer)
3728 data->wtmpnam_buffer = MSVCRT_malloc(sizeof(MSVCRT_wchar_t[MAX_PATH]));
3729
3730 s = data->wtmpnam_buffer;
3731 }
3732
3733 msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr);
3734 p = s + MSVCRT__snwprintf(s, MAX_PATH, format, tmpstr);
3735 for (count = 0; count < MSVCRT_TMP_MAX; count++)
3736 {
3737 size = msvcrt_int_to_base32_w(tmpnam_unique++, tmpstr);
3738 memcpy(p, tmpstr, size*sizeof(MSVCRT_wchar_t));
3739 p[size] = '\0';
3740 if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
3741 GetLastError() == ERROR_FILE_NOT_FOUND)
3742 break;
3743 }
3744 return s;
3745 }
3746
3747 /*********************************************************************
3748 * tmpfile (MSVCRT.@)
3749 */
3750 MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
3751 {
3752 char *filename = MSVCRT_tmpnam(NULL);
3753 int fd;
3754 MSVCRT_FILE* file = NULL;
3755
3756 LOCK_FILES();
3757 fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY);
3758 if (fd != -1 && (file = msvcrt_alloc_fp()))
3759 {
3760 if (msvcrt_init_fp(file, fd, MSVCRT__O_RDWR) == -1)
3761 {
3762 file->_flag = 0;
3763 file = NULL;
3764 }
3765 else file->_tmpfname = MSVCRT__strdup(filename);
3766 }
3767 UNLOCK_FILES();
3768 return file;
3769 }
3770
3771 /*********************************************************************
3772 * tmpfile_s (MSVCRT.@)
3773 */
3774 int CDECL MSVCRT_tmpfile_s(MSVCRT_FILE** file)
3775 {
3776 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
3777
3778 *file = MSVCRT_tmpfile();
3779 return 0;
3780 }
3781
3782 static int puts_clbk_file_a(void *file, int len, const char *str)
3783 {
3784 return MSVCRT_fwrite(str, sizeof(char), len, file);
3785 }
3786
3787 static int puts_clbk_file_w(void *file, int len, const MSVCRT_wchar_t *str)
3788 {
3789 return MSVCRT_fwrite(str, sizeof(MSVCRT_wchar_t), len, file);
3790 }
3791
3792 /*********************************************************************
3793 * vfprintf (MSVCRT.@)
3794 */
3795 int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
3796 {
3797 int ret;
3798
3799 MSVCRT__lock_file(file);
3800 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
3801 MSVCRT__unlock_file(file);
3802
3803 return ret;
3804 }
3805
3806 /*********************************************************************
3807 * vfprintf_s (MSVCRT.@)
3808 */
3809 int CDECL MSVCRT_vfprintf_s(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
3810 {
3811 int ret;
3812
3813 if(!MSVCRT_CHECK_PMT(file != NULL)) return -1;
3814
3815 MSVCRT__lock_file(file);
3816 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
3817 MSVCRT__unlock_file(file);
3818
3819 return ret;
3820 }
3821
3822 /*********************************************************************
3823 * vfwprintf (MSVCRT.@)
3824 */
3825 int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
3826 {
3827 int ret;
3828
3829 MSVCRT__lock_file(file);
3830 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
3831 MSVCRT__unlock_file(file);
3832
3833 return ret;
3834 }
3835
3836 /*********************************************************************
3837 * vfwprintf_s (MSVCRT.@)
3838 */
3839 int CDECL MSVCRT_vfwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
3840 {
3841 int ret;
3842
3843 if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
3844
3845 MSVCRT__lock_file(file);
3846 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
3847 MSVCRT__unlock_file(file);
3848
3849 return ret;
3850 }
3851
3852 /*********************************************************************
3853 * vprintf (MSVCRT.@)
3854 */
3855 int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
3856 {
3857 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
3858 }
3859
3860 /*********************************************************************
3861 * vprintf_s (MSVCRT.@)
3862 */
3863 int CDECL MSVCRT_vprintf_s(const char *format, __ms_va_list valist)
3864 {
3865 return MSVCRT_vfprintf_s(MSVCRT_stdout,format,valist);
3866 }
3867
3868 /*********************************************************************
3869 * vwprintf (MSVCRT.@)
3870 */
3871 int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
3872 {
3873 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
3874 }
3875
3876 /*********************************************************************
3877 * vwprintf_s (MSVCRT.@)
3878 */
3879 int CDECL MSVCRT_vwprintf_s(const MSVCRT_wchar_t *format, __ms_va_list valist)
3880 {
3881 return MSVCRT_vfwprintf_s(MSVCRT_stdout,format,valist);
3882 }
3883
3884 /*********************************************************************
3885 * fprintf (MSVCRT.@)
3886 */
3887 int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
3888 {
3889 __ms_va_list valist;
3890 int res;
3891 __ms_va_start(valist, format);
3892 res = MSVCRT_vfprintf(file, format, valist);
3893 __ms_va_end(valist);
3894 return res;
3895 }
3896
3897 /*********************************************************************
3898 * fprintf_s (MSVCRT.@)
3899 */
3900 int CDECL MSVCRT_fprintf_s(MSVCRT_FILE* file, const char *format, ...)
3901 {
3902 __ms_va_list valist;
3903 int res;
3904 __ms_va_start(valist, format);
3905 res = MSVCRT_vfprintf_s(file, format, valist);
3906 __ms_va_end(valist);
3907 return res;
3908 }
3909
3910 /*********************************************************************
3911 * fwprintf (MSVCRT.@)
3912 */
3913 int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
3914 {
3915 __ms_va_list valist;
3916 int res;
3917 __ms_va_start(valist, format);
3918 res = MSVCRT_vfwprintf(file, format, valist);
3919 __ms_va_end(valist);
3920 return res;
3921 }
3922
3923 /*********************************************************************
3924 * fwprintf_s (MSVCRT.@)
3925 */
3926 int CDECL MSVCRT_fwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
3927 {
3928 __ms_va_list valist;
3929 int res;
3930 __ms_va_start(valist, format);
3931 res = MSVCRT_vfwprintf_s(file, format, valist);
3932 __ms_va_end(valist);
3933 return res;
3934 }
3935
3936 /*********************************************************************
3937 * printf (MSVCRT.@)
3938 */
3939 int CDECL MSVCRT_printf(const char *format, ...)
3940 {
3941 __ms_va_list valist;
3942 int res;
3943 __ms_va_start(valist, format);
3944 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
3945 __ms_va_end(valist);
3946 return res;
3947 }
3948
3949 /*********************************************************************
3950 * printf_s (MSVCRT.@)
3951 */
3952 int CDECL MSVCRT_printf_s(const char *format, ...)
3953 {
3954 __ms_va_list valist;
3955 int res;
3956 __ms_va_start(valist, format);
3957 res = MSVCRT_vprintf_s(format, valist);
3958 __ms_va_end(valist);
3959 return res;
3960 }
3961
3962 /*********************************************************************
3963 * ungetc (MSVCRT.@)
3964 */
3965 int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
3966 {
3967 if (c == MSVCRT_EOF)
3968 return MSVCRT_EOF;
3969
3970 MSVCRT__lock_file(file);
3971 if(file->_bufsiz == 0) {
3972 msvcrt_alloc_buffer(file);
3973 file->_ptr++;
3974 }
3975 if(file->_ptr>file->_base) {
3976 file->_ptr--;
3977 *file->_ptr=c;
3978 file->_cnt++;
3979 MSVCRT_clearerr(file);
3980 MSVCRT__unlock_file(file);
3981 return c;
3982 }
3983
3984 MSVCRT__unlock_file(file);
3985 return MSVCRT_EOF;
3986 }
3987
3988 /*********************************************************************
3989 * ungetwc (MSVCRT.@)
3990 */
3991 MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
3992 {
3993 MSVCRT_wchar_t mwc = wc;
3994 char * pp = (char *)&mwc;
3995 int i;
3996
3997 MSVCRT__lock_file(file);
3998 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
3999 if(pp[i] != MSVCRT_ungetc(pp[i],file)) {
4000 MSVCRT__unlock_file(file);
4001 return MSVCRT_WEOF;
4002 }
4003 }
4004
4005 MSVCRT__unlock_file(file);
4006 return mwc;
4007 }
4008
4009 /*********************************************************************
4010 * wprintf (MSVCRT.@)
4011 */
4012 int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
4013 {
4014 __ms_va_list valist;
4015 int res;
4016 __ms_va_start(valist, format);
4017 res = MSVCRT_vwprintf(format, valist);
4018 __ms_va_end(valist);
4019 return res;
4020 }
4021
4022 /*********************************************************************
4023 * wprintf_s (MSVCRT.@)
4024 */
4025 int CDECL MSVCRT_wprintf_s(const MSVCRT_wchar_t *format, ...)
4026 {
4027 __ms_va_list valist;
4028 int res;
4029 __ms_va_start(valist, format);
4030 res = MSVCRT_vwprintf_s(format, valist);
4031 __ms_va_end(valist);
4032 return res;
4033 }
4034
4035 /*********************************************************************
4036 * _getmaxstdio (MSVCRT.@)
4037 */
4038 int CDECL MSVCRT__getmaxstdio(void)
4039 {
4040 return MSVCRT_max_streams;
4041 }
4042
4043 /*********************************************************************
4044 * _setmaxstdio (MSVCRT.@)
4045 */
4046 int CDECL MSVCRT__setmaxstdio(int newmax)
4047 {
4048 TRACE("%d\n", newmax);
4049
4050 if(newmax<_IOB_ENTRIES || newmax>MSVCRT_MAX_FILES || newmax<MSVCRT_stream_idx)
4051 return -1;
4052
4053 MSVCRT_max_streams = newmax;
4054 return MSVCRT_max_streams;
4055 }
Maarten's multimedia branch