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msvcrt: Add a helper function to flush all buffers.
[wine/multimedia.git] / dlls / msvcrt / file.c
blobb057f9e24dcce13e063f8810f90d731932d510d7
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) ||
641 !MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0))
642 {
643 *MSVCRT__errno() = MSVCRT_EINVAL;
644 return -1;
645 }
646
647 return MSVCRT__access(filename, mode);
648 }
649
650 /*********************************************************************
651 * _waccess (MSVCRT.@)
652 */
653 int CDECL MSVCRT__waccess(const MSVCRT_wchar_t *filename, int mode)
654 {
655 DWORD attr = GetFileAttributesW(filename);
656
657 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
658
659 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
660 {
661 msvcrt_set_errno(GetLastError());
662 return -1;
663 }
664 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
665 {
666 msvcrt_set_errno(ERROR_ACCESS_DENIED);
667 return -1;
668 }
669 return 0;
670 }
671
672 /*********************************************************************
673 * _waccess_s (MSVCRT.@)
674 */
675 int CDECL _waccess_s(const MSVCRT_wchar_t *filename, int mode)
676 {
677 if (!MSVCRT_CHECK_PMT(filename != NULL) ||
678 !MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0))
679 {
680 *MSVCRT__errno() = MSVCRT_EINVAL;
681 return -1;
682 }
683
684 return MSVCRT__waccess(filename, mode);
685 }
686
687 /*********************************************************************
688 * _chmod (MSVCRT.@)
689 */
690 int CDECL MSVCRT__chmod(const char *path, int flags)
691 {
692 DWORD oldFlags = GetFileAttributesA(path);
693
694 if (oldFlags != INVALID_FILE_ATTRIBUTES)
695 {
696 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
697 oldFlags | FILE_ATTRIBUTE_READONLY;
698
699 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
700 return 0;
701 }
702 msvcrt_set_errno(GetLastError());
703 return -1;
704 }
705
706 /*********************************************************************
707 * _wchmod (MSVCRT.@)
708 */
709 int CDECL MSVCRT__wchmod(const MSVCRT_wchar_t *path, int flags)
710 {
711 DWORD oldFlags = GetFileAttributesW(path);
712
713 if (oldFlags != INVALID_FILE_ATTRIBUTES)
714 {
715 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
716 oldFlags | FILE_ATTRIBUTE_READONLY;
717
718 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
719 return 0;
720 }
721 msvcrt_set_errno(GetLastError());
722 return -1;
723 }
724
725 /*********************************************************************
726 * _unlink (MSVCRT.@)
727 */
728 int CDECL MSVCRT__unlink(const char *path)
729 {
730 TRACE("%s\n",debugstr_a(path));
731 if(DeleteFileA(path))
732 return 0;
733 TRACE("failed (%d)\n",GetLastError());
734 msvcrt_set_errno(GetLastError());
735 return -1;
736 }
737
738 /*********************************************************************
739 * _wunlink (MSVCRT.@)
740 */
741 int CDECL MSVCRT__wunlink(const MSVCRT_wchar_t *path)
742 {
743 TRACE("(%s)\n",debugstr_w(path));
744 if(DeleteFileW(path))
745 return 0;
746 TRACE("failed (%d)\n",GetLastError());
747 msvcrt_set_errno(GetLastError());
748 return -1;
749 }
750
751 /* flush_all_buffers calls MSVCRT_fflush which calls flush_all_buffers */
752 int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
753
754 /* INTERNAL: Flush all stream buffer */
755 static int msvcrt_flush_all_buffers(int mask)
756 {
757 int i, num_flushed = 0;
758 MSVCRT_FILE *file;
759
760 LOCK_FILES();
761 for (i = 3; i < MSVCRT_stream_idx; i++) {
762 file = msvcrt_get_file(i);
763
764 if (file->_flag)
765 {
766 if(file->_flag & mask) {
767 MSVCRT_fflush(file);
768 num_flushed++;
769 }
770 }
771 }
772 UNLOCK_FILES();
773
774 TRACE(":flushed (%d) handles\n",num_flushed);
775 return num_flushed;
776 }
777
778 /*********************************************************************
779 * _flushall (MSVCRT.@)
780 */
781 int CDECL MSVCRT__flushall(void)
782 {
783 return msvcrt_flush_all_buffers(MSVCRT__IOWRT);
784 }
785
786 /*********************************************************************
787 * fflush (MSVCRT.@)
788 */
789 int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
790 {
791 if(!file) {
792 MSVCRT__flushall();
793 } else if(file->_flag & MSVCRT__IOWRT) {
794 int res;
795
796 MSVCRT__lock_file(file);
797 res = msvcrt_flush_buffer(file);
798 MSVCRT__unlock_file(file);
799
800 return res;
801 } else if(file->_flag & MSVCRT__IOREAD) {
802 MSVCRT__lock_file(file);
803 file->_cnt = 0;
804 file->_ptr = file->_base;
805 MSVCRT__unlock_file(file);
806
807 return 0;
808 }
809 return 0;
810 }
811
812 /*********************************************************************
813 * _close (MSVCRT.@)
814 */
815 int CDECL MSVCRT__close(int fd)
816 {
817 HANDLE hand;
818 int ret;
819
820 LOCK_FILES();
821 hand = msvcrt_fdtoh(fd);
822 TRACE(":fd (%d) handle (%p)\n",fd,hand);
823 if (!msvcrt_is_valid_fd(fd)) {
824 ret = -1;
825 } else {
826 msvcrt_free_fd(fd);
827 ret = CloseHandle(hand) ? 0 : -1;
828 if (ret) {
829 WARN(":failed-last error (%d)\n",GetLastError());
830 msvcrt_set_errno(GetLastError());
831 }
832 }
833 UNLOCK_FILES();
834 TRACE(":ok\n");
835 return ret;
836 }
837
838 /*********************************************************************
839 * _commit (MSVCRT.@)
840 */
841 int CDECL MSVCRT__commit(int fd)
842 {
843 HANDLE hand = msvcrt_fdtoh(fd);
844
845 TRACE(":fd (%d) handle (%p)\n",fd,hand);
846 if (hand == INVALID_HANDLE_VALUE)
847 return -1;
848
849 if (!FlushFileBuffers(hand))
850 {
851 if (GetLastError() == ERROR_INVALID_HANDLE)
852 {
853 /* FlushFileBuffers fails for console handles
854 * so we ignore this error.
855 */
856 return 0;
857 }
858 TRACE(":failed-last error (%d)\n",GetLastError());
859 msvcrt_set_errno(GetLastError());
860 return -1;
861 }
862 TRACE(":ok\n");
863 return 0;
864 }
865
866 /*********************************************************************
867 * _dup2 (MSVCRT.@)
868 * NOTES
869 * MSDN isn't clear on this point, but the remarks for _pipe
870 * indicate file descriptors duplicated with _dup and _dup2 are always
871 * inheritable.
872 */
873 int CDECL MSVCRT__dup2(int od, int nd)
874 {
875 int ret;
876
877 TRACE("(od=%d, nd=%d)\n", od, nd);
878 LOCK_FILES();
879 if (nd < MSVCRT_MAX_FILES && nd >= 0 && msvcrt_is_valid_fd(od))
880 {
881 HANDLE handle;
882
883 if (DuplicateHandle(GetCurrentProcess(), msvcrt_get_ioinfo(od)->handle,
884 GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
885 {
886 int wxflag = msvcrt_get_ioinfo(od)->wxflag & ~MSVCRT__O_NOINHERIT;
887
888 if (msvcrt_is_valid_fd(nd))
889 MSVCRT__close(nd);
890 ret = msvcrt_alloc_fd_from(handle, wxflag, nd);
891 if (ret == -1)
892 {
893 CloseHandle(handle);
894 *MSVCRT__errno() = MSVCRT_EMFILE;
895 }
896 else
897 {
898 /* _dup2 returns 0, not nd, on success */
899 ret = 0;
900 }
901 }
902 else
903 {
904 ret = -1;
905 msvcrt_set_errno(GetLastError());
906 }
907 }
908 else
909 {
910 *MSVCRT__errno() = MSVCRT_EBADF;
911 ret = -1;
912 }
913 UNLOCK_FILES();
914 return ret;
915 }
916
917 /*********************************************************************
918 * _dup (MSVCRT.@)
919 */
920 int CDECL MSVCRT__dup(int od)
921 {
922 int fd, ret;
923
924 LOCK_FILES();
925 fd = MSVCRT_fdstart;
926 if (MSVCRT__dup2(od, fd) == 0)
927 ret = fd;
928 else
929 ret = -1;
930 UNLOCK_FILES();
931 return ret;
932 }
933
934 /*********************************************************************
935 * _eof (MSVCRT.@)
936 */
937 int CDECL MSVCRT__eof(int fd)
938 {
939 DWORD curpos,endpos;
940 LONG hcurpos,hendpos;
941 HANDLE hand = msvcrt_fdtoh(fd);
942
943 TRACE(":fd (%d) handle (%p)\n",fd,hand);
944
945 if (hand == INVALID_HANDLE_VALUE)
946 return -1;
947
948 if (msvcrt_get_ioinfo(fd)->wxflag & WX_ATEOF) return TRUE;
949
950 /* Otherwise we do it the hard way */
951 hcurpos = hendpos = 0;
952 curpos = SetFilePointer(hand, 0, &hcurpos, FILE_CURRENT);
953 endpos = SetFilePointer(hand, 0, &hendpos, FILE_END);
954
955 if (curpos == endpos && hcurpos == hendpos)
956 {
957 /* FIXME: shouldn't WX_ATEOF be set here? */
958 return TRUE;
959 }
960
961 SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN);
962 return FALSE;
963 }
964
965 /*********************************************************************
966 * _fcloseall (MSVCRT.@)
967 */
968 int CDECL MSVCRT__fcloseall(void)
969 {
970 int num_closed = 0, i;
971 MSVCRT_FILE *file;
972
973 LOCK_FILES();
974 for (i = 3; i < MSVCRT_stream_idx; i++) {
975 file = msvcrt_get_file(i);
976
977 if (file->_flag && !MSVCRT_fclose(file))
978 num_closed++;
979 }
980 UNLOCK_FILES();
981
982 TRACE(":closed (%d) handles\n",num_closed);
983 return num_closed;
984 }
985
986 /* free everything on process exit */
987 void msvcrt_free_io(void)
988 {
989 int i;
990
991 MSVCRT__fcloseall();
992 /* The Win32 _fcloseall() function explicitly doesn't close stdin,
993 * stdout, and stderr (unlike GNU), so we need to fclose() them here
994 * or they won't get flushed.
995 */
996 MSVCRT_fclose(&MSVCRT__iob[0]);
997 MSVCRT_fclose(&MSVCRT__iob[1]);
998 MSVCRT_fclose(&MSVCRT__iob[2]);
999
1000 for(i=0; i<sizeof(MSVCRT___pioinfo)/sizeof(MSVCRT___pioinfo[0]); i++)
1001 MSVCRT_free(MSVCRT___pioinfo[i]);
1002
1003 for(i=0; i<MSVCRT_stream_idx; i++)
1004 {
1005 MSVCRT_FILE *file = msvcrt_get_file(i);
1006 if(file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
1007 {
1008 ((file_crit*)file)->crit.DebugInfo->Spare[0] = 0;
1009 DeleteCriticalSection(&((file_crit*)file)->crit);
1010 }
1011 }
1012
1013 for(i=0; i<sizeof(MSVCRT_fstream)/sizeof(MSVCRT_fstream[0]); i++)
1014 MSVCRT_free(MSVCRT_fstream[i]);
1015
1016 DeleteCriticalSection(&MSVCRT_file_cs);
1017 }
1018
1019 /*********************************************************************
1020 * _lseeki64 (MSVCRT.@)
1021 */
1022 __int64 CDECL MSVCRT__lseeki64(int fd, __int64 offset, int whence)
1023 {
1024 HANDLE hand = msvcrt_fdtoh(fd);
1025 LARGE_INTEGER ofs;
1026
1027 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1028 if (hand == INVALID_HANDLE_VALUE)
1029 return -1;
1030
1031 if (whence < 0 || whence > 2)
1032 {
1033 *MSVCRT__errno() = MSVCRT_EINVAL;
1034 return -1;
1035 }
1036
1037 TRACE(":fd (%d) to %s pos %s\n",
1038 fd,wine_dbgstr_longlong(offset),
1039 (whence==SEEK_SET)?"SEEK_SET":
1040 (whence==SEEK_CUR)?"SEEK_CUR":
1041 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
1042
1043 /* The MoleBox protection scheme expects msvcrt to use SetFilePointer only,
1044 * so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */
1045 ofs.QuadPart = offset;
1046 if ((ofs.u.LowPart = SetFilePointer(hand, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER ||
1047 GetLastError() == ERROR_SUCCESS)
1048 {
1049 msvcrt_get_ioinfo(fd)->wxflag &= ~(WX_ATEOF|WX_READEOF);
1050 /* FIXME: What if we seek _to_ EOF - is EOF set? */
1051
1052 return ofs.QuadPart;
1053 }
1054 TRACE(":error-last error (%d)\n",GetLastError());
1055 msvcrt_set_errno(GetLastError());
1056 return -1;
1057 }
1058
1059 /*********************************************************************
1060 * _lseek (MSVCRT.@)
1061 */
1062 LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence)
1063 {
1064 return MSVCRT__lseeki64(fd, offset, whence);
1065 }
1066
1067 /*********************************************************************
1068 * _lock_file (MSVCRT.@)
1069 */
1070 void CDECL MSVCRT__lock_file(MSVCRT_FILE *file)
1071 {
1072 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1073 _lock(_STREAM_LOCKS+(file-MSVCRT__iob));
1074 else
1075 EnterCriticalSection(&((file_crit*)file)->crit);
1076 }
1077
1078 /*********************************************************************
1079 * _unlock_file (MSVCRT.@)
1080 */
1081 void CDECL MSVCRT__unlock_file(MSVCRT_FILE *file)
1082 {
1083 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1084 _unlock(_STREAM_LOCKS+(file-MSVCRT__iob));
1085 else
1086 LeaveCriticalSection(&((file_crit*)file)->crit);
1087 }
1088
1089 /*********************************************************************
1090 * _locking (MSVCRT.@)
1091 *
1092 * This is untested; the underlying LockFile doesn't work yet.
1093 */
1094 int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes)
1095 {
1096 BOOL ret;
1097 DWORD cur_locn;
1098 HANDLE hand = msvcrt_fdtoh(fd);
1099
1100 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1101 if (hand == INVALID_HANDLE_VALUE)
1102 return -1;
1103
1104 if (mode < 0 || mode > 4)
1105 {
1106 *MSVCRT__errno() = MSVCRT_EINVAL;
1107 return -1;
1108 }
1109
1110 TRACE(":fd (%d) by 0x%08x mode %s\n",
1111 fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
1112 (mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
1113 (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
1114 (mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
1115 (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
1116 "UNKNOWN");
1117
1118 if ((cur_locn = SetFilePointer(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
1119 {
1120 FIXME ("Seek failed\n");
1121 *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
1122 return -1;
1123 }
1124 if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
1125 {
1126 int nretry = 10;
1127 ret = 1; /* just to satisfy gcc */
1128 while (nretry--)
1129 {
1130 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1131 if (ret) break;
1132 Sleep(1);
1133 }
1134 }
1135 else if (mode == MSVCRT__LK_UNLCK)
1136 ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L);
1137 else
1138 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1139 /* FIXME - what about error settings? */
1140 return ret ? 0 : -1;
1141 }
1142
1143 /*********************************************************************
1144 * _fseeki64 (MSVCRT.@)
1145 */
1146 int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence)
1147 {
1148 int ret;
1149
1150 MSVCRT__lock_file(file);
1151 /* Flush output if needed */
1152 if(file->_flag & MSVCRT__IOWRT)
1153 msvcrt_flush_buffer(file);
1154
1155 if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
1156 offset -= file->_cnt;
1157 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
1158 /* Black magic correction for CR removal */
1159 int i;
1160 for (i=0; i<file->_cnt; i++) {
1161 if (file->_ptr[i] == '\n')
1162 offset--;
1163 }
1164 /* Black magic when reading CR at buffer boundary*/
1165 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
1166 offset--;
1167 }
1168 }
1169 /* Discard buffered input */
1170 file->_cnt = 0;
1171 file->_ptr = file->_base;
1172 /* Reset direction of i/o */
1173 if(file->_flag & MSVCRT__IORW) {
1174 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
1175 }
1176 /* Clear end of file flag */
1177 file->_flag &= ~MSVCRT__IOEOF;
1178 ret = (MSVCRT__lseeki64(file->_file,offset,whence) == -1)?-1:0;
1179
1180 MSVCRT__unlock_file(file);
1181 return ret;
1182 }
1183
1184 /*********************************************************************
1185 * fseek (MSVCRT.@)
1186 */
1187 int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
1188 {
1189 return MSVCRT__fseeki64( file, offset, whence );
1190 }
1191
1192 /*********************************************************************
1193 * _chsize (MSVCRT.@)
1194 */
1195 int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
1196 {
1197 LONG cur, pos;
1198 HANDLE handle;
1199 BOOL ret = FALSE;
1200
1201 TRACE("(fd=%d, size=%d)\n", fd, size);
1202
1203 LOCK_FILES();
1204
1205 handle = msvcrt_fdtoh(fd);
1206 if (handle != INVALID_HANDLE_VALUE)
1207 {
1208 /* save the current file pointer */
1209 cur = MSVCRT__lseek(fd, 0, SEEK_CUR);
1210 if (cur >= 0)
1211 {
1212 pos = MSVCRT__lseek(fd, size, SEEK_SET);
1213 if (pos >= 0)
1214 {
1215 ret = SetEndOfFile(handle);
1216 if (!ret) msvcrt_set_errno(GetLastError());
1217 }
1218
1219 /* restore the file pointer */
1220 MSVCRT__lseek(fd, cur, SEEK_SET);
1221 }
1222 }
1223
1224 UNLOCK_FILES();
1225 return ret ? 0 : -1;
1226 }
1227
1228 /*********************************************************************
1229 * clearerr (MSVCRT.@)
1230 */
1231 void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
1232 {
1233 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1234
1235 MSVCRT__lock_file(file);
1236 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
1237 MSVCRT__unlock_file(file);
1238 }
1239
1240 /*********************************************************************
1241 * rewind (MSVCRT.@)
1242 */
1243 void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
1244 {
1245 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1246
1247 MSVCRT__lock_file(file);
1248 MSVCRT_fseek(file, 0L, SEEK_SET);
1249 MSVCRT_clearerr(file);
1250 MSVCRT__unlock_file(file);
1251 }
1252
1253 static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags)
1254 {
1255 int plus = strchrW(mode, '+') != NULL;
1256
1257 switch(*mode++)
1258 {
1259 case 'R': case 'r':
1260 *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
1261 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
1262 break;
1263 case 'W': case 'w':
1264 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1265 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1266 break;
1267 case 'A': case 'a':
1268 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1269 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1270 break;
1271 default:
1272 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1273 *MSVCRT__errno() = MSVCRT_EINVAL;
1274 return -1;
1275 }
1276
1277 while (*mode)
1278 switch (*mode++)
1279 {
1280 case 'B': case 'b':
1281 *open_flags |= MSVCRT__O_BINARY;
1282 *open_flags &= ~MSVCRT__O_TEXT;
1283 break;
1284 case 'T': case 't':
1285 *open_flags |= MSVCRT__O_TEXT;
1286 *open_flags &= ~MSVCRT__O_BINARY;
1287 break;
1288 case '+':
1289 case ' ':
1290 break;
1291 default:
1292 FIXME(":unknown flag %c not supported\n",mode[-1]);
1293 }
1294 return 0;
1295 }
1296
1297 /*********************************************************************
1298 * _fdopen (MSVCRT.@)
1299 */
1300 MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode)
1301 {
1302 MSVCRT_FILE *ret;
1303 MSVCRT_wchar_t *modeW = NULL;
1304
1305 if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
1306
1307 ret = MSVCRT__wfdopen(fd, modeW);
1308
1309 MSVCRT_free(modeW);
1310 return ret;
1311 }
1312
1313 /*********************************************************************
1314 * _wfdopen (MSVCRT.@)
1315 */
1316 MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
1317 {
1318 int open_flags, stream_flags;
1319 MSVCRT_FILE* file;
1320
1321 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
1322
1323 LOCK_FILES();
1324 if (!(file = msvcrt_alloc_fp()))
1325 file = NULL;
1326 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
1327 {
1328 file->_flag = 0;
1329 file = NULL;
1330 }
1331 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
1332 UNLOCK_FILES();
1333
1334 return file;
1335 }
1336
1337 /*********************************************************************
1338 * _filelength (MSVCRT.@)
1339 */
1340 LONG CDECL MSVCRT__filelength(int fd)
1341 {
1342 LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR);
1343 if (curPos != -1)
1344 {
1345 LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END);
1346 if (endPos != -1)
1347 {
1348 if (endPos != curPos)
1349 MSVCRT__lseek(fd, curPos, SEEK_SET);
1350 return endPos;
1351 }
1352 }
1353 return -1;
1354 }
1355
1356 /*********************************************************************
1357 * _filelengthi64 (MSVCRT.@)
1358 */
1359 __int64 CDECL MSVCRT__filelengthi64(int fd)
1360 {
1361 __int64 curPos = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1362 if (curPos != -1)
1363 {
1364 __int64 endPos = MSVCRT__lseeki64(fd, 0, SEEK_END);
1365 if (endPos != -1)
1366 {
1367 if (endPos != curPos)
1368 MSVCRT__lseeki64(fd, curPos, SEEK_SET);
1369 return endPos;
1370 }
1371 }
1372 return -1;
1373 }
1374
1375 /*********************************************************************
1376 * _fileno (MSVCRT.@)
1377 */
1378 int CDECL MSVCRT__fileno(MSVCRT_FILE* file)
1379 {
1380 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
1381 return file->_file;
1382 }
1383
1384 /*********************************************************************
1385 * _fstat64 (MSVCRT.@)
1386 */
1387 int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf)
1388 {
1389 DWORD dw;
1390 DWORD type;
1391 BY_HANDLE_FILE_INFORMATION hfi;
1392 HANDLE hand = msvcrt_fdtoh(fd);
1393
1394 TRACE(":fd (%d) stat (%p)\n",fd,buf);
1395 if (hand == INVALID_HANDLE_VALUE)
1396 return -1;
1397
1398 if (!buf)
1399 {
1400 WARN(":failed-NULL buf\n");
1401 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1402 return -1;
1403 }
1404
1405 memset(&hfi, 0, sizeof(hfi));
1406 memset(buf, 0, sizeof(struct MSVCRT__stat64));
1407 type = GetFileType(hand);
1408 if (type == FILE_TYPE_PIPE)
1409 {
1410 buf->st_dev = buf->st_rdev = fd;
1411 buf->st_mode = S_IFIFO;
1412 buf->st_nlink = 1;
1413 }
1414 else if (type == FILE_TYPE_CHAR)
1415 {
1416 buf->st_dev = buf->st_rdev = fd;
1417 buf->st_mode = S_IFCHR;
1418 buf->st_nlink = 1;
1419 }
1420 else /* FILE_TYPE_DISK etc. */
1421 {
1422 if (!GetFileInformationByHandle(hand, &hfi))
1423 {
1424 WARN(":failed-last error (%d)\n",GetLastError());
1425 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1426 return -1;
1427 }
1428 buf->st_mode = S_IFREG | 0444;
1429 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1430 buf->st_mode |= 0222;
1431 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1432 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1433 buf->st_atime = dw;
1434 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1435 buf->st_mtime = buf->st_ctime = dw;
1436 buf->st_nlink = hfi.nNumberOfLinks;
1437 }
1438 TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
1439 buf->st_mode);
1440 return 0;
1441 }
1442
1443 /*********************************************************************
1444 * _fstati64 (MSVCRT.@)
1445 */
1446 int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
1447 {
1448 int ret;
1449 struct MSVCRT__stat64 buf64;
1450
1451 ret = MSVCRT__fstat64(fd, &buf64);
1452 if (!ret)
1453 msvcrt_stat64_to_stati64(&buf64, buf);
1454 return ret;
1455 }
1456
1457 /*********************************************************************
1458 * _fstat (MSVCRT.@)
1459 */
1460 int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
1461 { int ret;
1462 struct MSVCRT__stat64 buf64;
1463
1464 ret = MSVCRT__fstat64(fd, &buf64);
1465 if (!ret)
1466 msvcrt_stat64_to_stat(&buf64, buf);
1467 return ret;
1468 }
1469
1470 /*********************************************************************
1471 * _futime64 (MSVCRT.@)
1472 */
1473 int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t)
1474 {
1475 HANDLE hand = msvcrt_fdtoh(fd);
1476 FILETIME at, wt;
1477
1478 if (!t)
1479 {
1480 time_to_filetime( MSVCRT__time64(NULL), &at );
1481 wt = at;
1482 }
1483 else
1484 {
1485 time_to_filetime( t->actime, &at );
1486 time_to_filetime( t->modtime, &wt );
1487 }
1488
1489 if (!SetFileTime(hand, NULL, &at, &wt))
1490 {
1491 msvcrt_set_errno(GetLastError());
1492 return -1 ;
1493 }
1494 return 0;
1495 }
1496
1497 /*********************************************************************
1498 * _futime32 (MSVCRT.@)
1499 */
1500 int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t)
1501 {
1502 if (t)
1503 {
1504 struct MSVCRT___utimbuf64 t64;
1505 t64.actime = t->actime;
1506 t64.modtime = t->modtime;
1507 return _futime64( fd, &t64 );
1508 }
1509 else
1510 return _futime64( fd, NULL );
1511 }
1512
1513 /*********************************************************************
1514 * _futime (MSVCRT.@)
1515 */
1516 #ifdef _WIN64
1517 int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t)
1518 {
1519 return _futime64( fd, t );
1520 }
1521 #else
1522 int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t)
1523 {
1524 return _futime32( fd, t );
1525 }
1526 #endif
1527
1528 /*********************************************************************
1529 * _get_osfhandle (MSVCRT.@)
1530 */
1531 MSVCRT_intptr_t CDECL MSVCRT__get_osfhandle(int fd)
1532 {
1533 HANDLE hand = msvcrt_fdtoh(fd);
1534 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1535
1536 return (MSVCRT_intptr_t)hand;
1537 }
1538
1539 /*********************************************************************
1540 * _isatty (MSVCRT.@)
1541 */
1542 int CDECL MSVCRT__isatty(int fd)
1543 {
1544 HANDLE hand = msvcrt_fdtoh(fd);
1545
1546 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1547 if (hand == INVALID_HANDLE_VALUE)
1548 return 0;
1549
1550 return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
1551 }
1552
1553 /*********************************************************************
1554 * _mktemp (MSVCRT.@)
1555 */
1556 char * CDECL MSVCRT__mktemp(char *pattern)
1557 {
1558 int numX = 0;
1559 char *retVal = pattern;
1560 int id;
1561 char letter = 'a';
1562
1563 while(*pattern)
1564 numX = (*pattern++ == 'X')? numX + 1 : 0;
1565 if (numX < 5)
1566 return NULL;
1567 pattern--;
1568 id = GetCurrentProcessId();
1569 numX = 6;
1570 while(numX--)
1571 {
1572 int tempNum = id / 10;
1573 *pattern-- = id - (tempNum * 10) + '0';
1574 id = tempNum;
1575 }
1576 pattern++;
1577 do
1578 {
1579 *pattern = letter++;
1580 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES &&
1581 GetLastError() == ERROR_FILE_NOT_FOUND)
1582 return retVal;
1583 } while(letter <= 'z');
1584 return NULL;
1585 }
1586
1587 /*********************************************************************
1588 * _wmktemp (MSVCRT.@)
1589 */
1590 MSVCRT_wchar_t * CDECL MSVCRT__wmktemp(MSVCRT_wchar_t *pattern)
1591 {
1592 int numX = 0;
1593 MSVCRT_wchar_t *retVal = pattern;
1594 int id;
1595 MSVCRT_wchar_t letter = 'a';
1596
1597 while(*pattern)
1598 numX = (*pattern++ == 'X')? numX + 1 : 0;
1599 if (numX < 5)
1600 return NULL;
1601 pattern--;
1602 id = GetCurrentProcessId();
1603 numX = 6;
1604 while(numX--)
1605 {
1606 int tempNum = id / 10;
1607 *pattern-- = id - (tempNum * 10) + '0';
1608 id = tempNum;
1609 }
1610 pattern++;
1611 do
1612 {
1613 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES &&
1614 GetLastError() == ERROR_FILE_NOT_FOUND)
1615 return retVal;
1616 *pattern = letter++;
1617 } while(letter != '|');
1618 return NULL;
1619 }
1620
1621 static unsigned split_oflags(unsigned oflags)
1622 {
1623 int wxflags = 0;
1624 unsigned unsupp; /* until we support everything */
1625
1626 if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
1627 if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */}
1628 else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
1629 else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */}
1630 else wxflags |= WX_TEXT; /* default to TEXT*/
1631 if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1632
1633 if ((unsupp = oflags & ~(
1634 MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|
1635 MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT|
1636 MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY|
1637 MSVCRT__O_NOINHERIT|
1638 MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED
1639 )))
1640 ERR(":unsupported oflags 0x%04x\n",unsupp);
1641
1642 return wxflags;
1643 }
1644
1645 /*********************************************************************
1646 * _pipe (MSVCRT.@)
1647 */
1648 int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode)
1649 {
1650 int ret = -1;
1651 SECURITY_ATTRIBUTES sa;
1652 HANDLE readHandle, writeHandle;
1653
1654 if (!pfds)
1655 {
1656 *MSVCRT__errno() = MSVCRT_EINVAL;
1657 return -1;
1658 }
1659
1660 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
1661 sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT);
1662 sa.lpSecurityDescriptor = NULL;
1663 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
1664 {
1665 unsigned int wxflags = split_oflags(textmode);
1666 int fd;
1667
1668 LOCK_FILES();
1669 fd = msvcrt_alloc_fd(readHandle, wxflags);
1670 if (fd != -1)
1671 {
1672 pfds[0] = fd;
1673 fd = msvcrt_alloc_fd(writeHandle, wxflags);
1674 if (fd != -1)
1675 {
1676 pfds[1] = fd;
1677 ret = 0;
1678 }
1679 else
1680 {
1681 MSVCRT__close(pfds[0]);
1682 CloseHandle(writeHandle);
1683 *MSVCRT__errno() = MSVCRT_EMFILE;
1684 }
1685 }
1686 else
1687 {
1688 CloseHandle(readHandle);
1689 CloseHandle(writeHandle);
1690 *MSVCRT__errno() = MSVCRT_EMFILE;
1691 }
1692 UNLOCK_FILES();
1693 }
1694 else
1695 msvcrt_set_errno(GetLastError());
1696
1697 return ret;
1698 }
1699
1700 /*********************************************************************
1701 * _sopen_s (MSVCRT.@)
1702 */
1703 int CDECL MSVCRT__sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode )
1704 {
1705 DWORD access = 0, creation = 0, attrib;
1706 DWORD sharing;
1707 int wxflag;
1708 HANDLE hand;
1709 SECURITY_ATTRIBUTES sa;
1710
1711 TRACE("fd*: %p file: (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1712 fd, path, oflags, shflags, pmode);
1713
1714 if (!fd)
1715 {
1716 MSVCRT_INVALID_PMT("null out fd pointer");
1717 *MSVCRT__errno() = MSVCRT_EINVAL;
1718 return MSVCRT_EINVAL;
1719 }
1720
1721 *fd = -1;
1722 wxflag = split_oflags(oflags);
1723 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1724 {
1725 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1726 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1727 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1728 }
1729
1730 if (oflags & MSVCRT__O_CREAT)
1731 {
1732 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1733 FIXME(": pmode 0x%04x ignored\n", pmode);
1734 else
1735 WARN(": pmode 0x%04x ignored\n", pmode);
1736
1737 if (oflags & MSVCRT__O_EXCL)
1738 creation = CREATE_NEW;
1739 else if (oflags & MSVCRT__O_TRUNC)
1740 creation = CREATE_ALWAYS;
1741 else
1742 creation = OPEN_ALWAYS;
1743 }
1744 else /* no MSVCRT__O_CREAT */
1745 {
1746 if (oflags & MSVCRT__O_TRUNC)
1747 creation = TRUNCATE_EXISTING;
1748 else
1749 creation = OPEN_EXISTING;
1750 }
1751
1752 switch( shflags )
1753 {
1754 case MSVCRT__SH_DENYRW:
1755 sharing = 0L;
1756 break;
1757 case MSVCRT__SH_DENYWR:
1758 sharing = FILE_SHARE_READ;
1759 break;
1760 case MSVCRT__SH_DENYRD:
1761 sharing = FILE_SHARE_WRITE;
1762 break;
1763 case MSVCRT__SH_DENYNO:
1764 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1765 break;
1766 default:
1767 ERR( "Unhandled shflags 0x%x\n", shflags );
1768 return MSVCRT_EINVAL;
1769 }
1770 attrib = FILE_ATTRIBUTE_NORMAL;
1771
1772 if (oflags & MSVCRT__O_TEMPORARY)
1773 {
1774 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1775 access |= DELETE;
1776 sharing |= FILE_SHARE_DELETE;
1777 }
1778
1779 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1780 sa.lpSecurityDescriptor = NULL;
1781 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1782
1783 hand = CreateFileA(path, access, sharing, &sa, creation, attrib, 0);
1784 if (hand == INVALID_HANDLE_VALUE) {
1785 WARN(":failed-last error (%d)\n", GetLastError());
1786 msvcrt_set_errno(GetLastError());
1787 return *MSVCRT__errno();
1788 }
1789
1790 *fd = msvcrt_alloc_fd(hand, wxflag);
1791
1792 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
1793 return 0;
1794 }
1795
1796 /*********************************************************************
1797 * _sopen (MSVCRT.@)
1798 */
1799 int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
1800 {
1801 int pmode;
1802 int fd;
1803
1804 if (oflags & MSVCRT__O_CREAT)
1805 {
1806 __ms_va_list ap;
1807
1808 __ms_va_start(ap, shflags);
1809 pmode = va_arg(ap, int);
1810 __ms_va_end(ap);
1811 }
1812 else
1813 pmode = 0;
1814
1815 MSVCRT__sopen_s(&fd, path, oflags, shflags, pmode);
1816 return fd;
1817 }
1818
1819 /*********************************************************************
1820 * _wsopen_s (MSVCRT.@)
1821 */
1822 int CDECL MSVCRT__wsopen_s( int *fd, const MSVCRT_wchar_t* path, int oflags, int shflags, int pmode )
1823 {
1824 DWORD access = 0, creation = 0, attrib;
1825 SECURITY_ATTRIBUTES sa;
1826 DWORD sharing;
1827 int wxflag;
1828 HANDLE hand;
1829
1830 TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1831 fd, debugstr_w(path), oflags, shflags, pmode);
1832
1833 if (!fd)
1834 {
1835 MSVCRT_INVALID_PMT("null out fd pointer");
1836 *MSVCRT__errno() = MSVCRT_EINVAL;
1837 return MSVCRT_EINVAL;
1838 }
1839
1840 *fd = -1;
1841 wxflag = split_oflags(oflags);
1842 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1843 {
1844 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1845 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1846 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1847 }
1848
1849 if (oflags & MSVCRT__O_CREAT)
1850 {
1851 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1852 FIXME(": pmode 0x%04x ignored\n", pmode);
1853 else
1854 WARN(": pmode 0x%04x ignored\n", pmode);
1855
1856 if (oflags & MSVCRT__O_EXCL)
1857 creation = CREATE_NEW;
1858 else if (oflags & MSVCRT__O_TRUNC)
1859 creation = CREATE_ALWAYS;
1860 else
1861 creation = OPEN_ALWAYS;
1862 }
1863 else /* no MSVCRT__O_CREAT */
1864 {
1865 if (oflags & MSVCRT__O_TRUNC)
1866 creation = TRUNCATE_EXISTING;
1867 else
1868 creation = OPEN_EXISTING;
1869 }
1870
1871 switch( shflags )
1872 {
1873 case MSVCRT__SH_DENYRW:
1874 sharing = 0L;
1875 break;
1876 case MSVCRT__SH_DENYWR:
1877 sharing = FILE_SHARE_READ;
1878 break;
1879 case MSVCRT__SH_DENYRD:
1880 sharing = FILE_SHARE_WRITE;
1881 break;
1882 case MSVCRT__SH_DENYNO:
1883 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1884 break;
1885 default:
1886 ERR( "Unhandled shflags 0x%x\n", shflags );
1887 return MSVCRT_EINVAL;
1888 }
1889 attrib = FILE_ATTRIBUTE_NORMAL;
1890
1891 if (oflags & MSVCRT__O_TEMPORARY)
1892 {
1893 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1894 access |= DELETE;
1895 sharing |= FILE_SHARE_DELETE;
1896 }
1897
1898 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1899 sa.lpSecurityDescriptor = NULL;
1900 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1901
1902 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
1903
1904 if (hand == INVALID_HANDLE_VALUE) {
1905 WARN(":failed-last error (%d)\n",GetLastError());
1906 msvcrt_set_errno(GetLastError());
1907 msvcrt_set_errno(GetLastError());
1908 return *MSVCRT__errno();
1909 }
1910
1911 *fd = msvcrt_alloc_fd(hand, wxflag);
1912
1913 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
1914 return 0;
1915 }
1916
1917 /*********************************************************************
1918 * _wsopen (MSVCRT.@)
1919 */
1920 int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t *path, int oflags, int shflags, ... )
1921 {
1922 int pmode;
1923 int fd;
1924
1925 if (oflags & MSVCRT__O_CREAT)
1926 {
1927 __ms_va_list ap;
1928
1929 __ms_va_start(ap, shflags);
1930 pmode = va_arg(ap, int);
1931 __ms_va_end(ap);
1932 }
1933 else
1934 pmode = 0;
1935
1936 MSVCRT__wsopen_s(&fd, path, oflags, shflags, pmode);
1937 return fd;
1938 }
1939
1940 /*********************************************************************
1941 * _open (MSVCRT.@)
1942 */
1943 int CDECL MSVCRT__open( const char *path, int flags, ... )
1944 {
1945 __ms_va_list ap;
1946
1947 if (flags & MSVCRT__O_CREAT)
1948 {
1949 int pmode;
1950 __ms_va_start(ap, flags);
1951 pmode = va_arg(ap, int);
1952 __ms_va_end(ap);
1953 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1954 }
1955 else
1956 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
1957 }
1958
1959 /*********************************************************************
1960 * _wopen (MSVCRT.@)
1961 */
1962 int CDECL MSVCRT__wopen(const MSVCRT_wchar_t *path,int flags,...)
1963 {
1964 __ms_va_list ap;
1965
1966 if (flags & MSVCRT__O_CREAT)
1967 {
1968 int pmode;
1969 __ms_va_start(ap, flags);
1970 pmode = va_arg(ap, int);
1971 __ms_va_end(ap);
1972 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1973 }
1974 else
1975 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO);
1976 }
1977
1978 /*********************************************************************
1979 * _creat (MSVCRT.@)
1980 */
1981 int CDECL MSVCRT__creat(const char *path, int flags)
1982 {
1983 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1984 return MSVCRT__open(path, usedFlags);
1985 }
1986
1987 /*********************************************************************
1988 * _wcreat (MSVCRT.@)
1989 */
1990 int CDECL MSVCRT__wcreat(const MSVCRT_wchar_t *path, int flags)
1991 {
1992 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1993 return MSVCRT__wopen(path, usedFlags);
1994 }
1995
1996 /*********************************************************************
1997 * _open_osfhandle (MSVCRT.@)
1998 */
1999 int CDECL MSVCRT__open_osfhandle(MSVCRT_intptr_t handle, int oflags)
2000 {
2001 int fd;
2002
2003 /* MSVCRT__O_RDONLY (0) always matches, so set the read flag
2004 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
2005 * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
2006 * text - it never sets MSVCRT__O_BINARY.
2007 */
2008 /* don't let split_oflags() decide the mode if no mode is passed */
2009 if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)))
2010 oflags |= MSVCRT__O_BINARY;
2011
2012 fd = msvcrt_alloc_fd((HANDLE)handle, split_oflags(oflags));
2013 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, oflags);
2014 return fd;
2015 }
2016
2017 /*********************************************************************
2018 * _rmtmp (MSVCRT.@)
2019 */
2020 int CDECL MSVCRT__rmtmp(void)
2021 {
2022 int num_removed = 0, i;
2023 MSVCRT_FILE *file;
2024
2025 LOCK_FILES();
2026 for (i = 3; i < MSVCRT_stream_idx; i++) {
2027 file = msvcrt_get_file(i);
2028
2029 if (file->_tmpfname)
2030 {
2031 MSVCRT_fclose(file);
2032 num_removed++;
2033 }
2034 }
2035 UNLOCK_FILES();
2036
2037 if (num_removed)
2038 TRACE(":removed (%d) temp files\n",num_removed);
2039 return num_removed;
2040 }
2041
2042 /*********************************************************************
2043 * (internal) read_i
2044 *
2045 * When reading \r as last character in text mode, read() positions
2046 * the file pointer on the \r character while getc() goes on to
2047 * the following \n
2048 */
2049 static int read_i(int fd, void *buf, unsigned int count)
2050 {
2051 DWORD num_read;
2052 char *bufstart = buf;
2053 HANDLE hand = msvcrt_fdtoh(fd);
2054 ioinfo *fdinfo = msvcrt_get_ioinfo(fd);
2055
2056 if (count == 0)
2057 return 0;
2058
2059 if (fdinfo->wxflag & WX_READEOF) {
2060 fdinfo->wxflag |= WX_ATEOF;
2061 TRACE("already at EOF, returning 0\n");
2062 return 0;
2063 }
2064 /* Don't trace small reads, it gets *very* annoying */
2065 if (count > 4)
2066 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
2067 if (hand == INVALID_HANDLE_VALUE)
2068 return -1;
2069
2070 /* Reading single bytes in O_TEXT mode makes things slow
2071 * So read big chunks
2072 */
2073 if (ReadFile(hand, bufstart, count, &num_read, NULL))
2074 {
2075 if (count != 0 && num_read == 0)
2076 {
2077 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
2078 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
2079 }
2080 else if (fdinfo->wxflag & WX_TEXT)
2081 {
2082 DWORD i, j;
2083 if (bufstart[num_read-1] == '\r')
2084 {
2085 if(count == 1)
2086 {
2087 fdinfo->wxflag &= ~WX_READCR;
2088 ReadFile(hand, bufstart, 1, &num_read, NULL);
2089 }
2090 else
2091 {
2092 fdinfo->wxflag |= WX_READCR;
2093 num_read--;
2094 }
2095 }
2096 else
2097 fdinfo->wxflag &= ~WX_READCR;
2098 for (i=0, j=0; i<num_read; i++)
2099 {
2100 /* in text mode, a ctrl-z signals EOF */
2101 if (bufstart[i] == 0x1a)
2102 {
2103 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
2104 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
2105 break;
2106 }
2107 /* in text mode, strip \r if followed by \n.
2108 * BUG: should save state across calls somehow, so CR LF that
2109 * straddles buffer boundary gets recognized properly?
2110 */
2111 if ((bufstart[i] != '\r')
2112 || ((i+1) < num_read && bufstart[i+1] != '\n'))
2113 bufstart[j++] = bufstart[i];
2114 }
2115 num_read = j;
2116 }
2117 }
2118 else
2119 {
2120 if (GetLastError() == ERROR_BROKEN_PIPE)
2121 {
2122 TRACE(":end-of-pipe\n");
2123 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
2124 return 0;
2125 }
2126 else
2127 {
2128 TRACE(":failed-last error (%d)\n",GetLastError());
2129 return -1;
2130 }
2131 }
2132
2133 if (count > 4)
2134 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
2135 return num_read;
2136 }
2137
2138 /*********************************************************************
2139 * _read (MSVCRT.@)
2140 */
2141 int CDECL MSVCRT__read(int fd, void *buf, unsigned int count)
2142 {
2143 int num_read;
2144 num_read = read_i(fd, buf, count);
2145 return num_read;
2146 }
2147
2148 /*********************************************************************
2149 * _setmode (MSVCRT.@)
2150 */
2151 int CDECL MSVCRT__setmode(int fd,int mode)
2152 {
2153 int ret = msvcrt_get_ioinfo(fd)->wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
2154 if (mode & (~(MSVCRT__O_TEXT|MSVCRT__O_BINARY)))
2155 FIXME("fd (%d) mode (0x%08x) unknown\n",fd,mode);
2156 if ((mode & MSVCRT__O_TEXT) == MSVCRT__O_TEXT)
2157 msvcrt_get_ioinfo(fd)->wxflag |= WX_TEXT;
2158 else
2159 msvcrt_get_ioinfo(fd)->wxflag &= ~WX_TEXT;
2160 return ret;
2161 }
2162
2163 /*********************************************************************
2164 * _stat64 (MSVCRT.@)
2165 */
2166 int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
2167 {
2168 DWORD dw;
2169 WIN32_FILE_ATTRIBUTE_DATA hfi;
2170 unsigned short mode = ALL_S_IREAD;
2171 int plen;
2172
2173 TRACE(":file (%s) buf(%p)\n",path,buf);
2174
2175 if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
2176 {
2177 TRACE("failed (%d)\n",GetLastError());
2178 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
2179 return -1;
2180 }
2181
2182 memset(buf,0,sizeof(struct MSVCRT__stat64));
2183
2184 /* FIXME: rdev isn't drive num, despite what the docs say-what is it?
2185 Bon 011120: This FIXME seems incorrect
2186 Also a letter as first char isn't enough to be classified
2187 as a drive letter
2188 */
2189 if (isalpha(*path)&& (*(path+1)==':'))
2190 buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
2191 else
2192 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2193
2194 plen = strlen(path);
2195
2196 /* Dir, or regular file? */
2197 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
2198 (path[plen-1] == '\\'))
2199 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2200 else
2201 {
2202 mode |= MSVCRT__S_IFREG;
2203 /* executable? */
2204 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2205 {
2206 unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
2207 (tolower(path[plen-3]) << 16);
2208 if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
2209 mode |= ALL_S_IEXEC;
2210 }
2211 }
2212
2213 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2214 mode |= ALL_S_IWRITE;
2215
2216 buf->st_mode = mode;
2217 buf->st_nlink = 1;
2218 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2219 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2220 buf->st_atime = dw;
2221 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2222 buf->st_mtime = buf->st_ctime = dw;
2223 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2224 (int)(buf->st_size >> 32),(int)buf->st_size,
2225 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2226 return 0;
2227 }
2228
2229 /*********************************************************************
2230 * _stati64 (MSVCRT.@)
2231 */
2232 int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf)
2233 {
2234 int ret;
2235 struct MSVCRT__stat64 buf64;
2236
2237 ret = MSVCRT_stat64(path, &buf64);
2238 if (!ret)
2239 msvcrt_stat64_to_stati64(&buf64, buf);
2240 return ret;
2241 }
2242
2243 /*********************************************************************
2244 * _stat (MSVCRT.@)
2245 */
2246 int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf)
2247 { int ret;
2248 struct MSVCRT__stat64 buf64;
2249
2250 ret = MSVCRT_stat64( path, &buf64);
2251 if (!ret)
2252 msvcrt_stat64_to_stat(&buf64, buf);
2253 return ret;
2254 }
2255
2256 /*********************************************************************
2257 * _wstat64 (MSVCRT.@)
2258 */
2259 int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf)
2260 {
2261 DWORD dw;
2262 WIN32_FILE_ATTRIBUTE_DATA hfi;
2263 unsigned short mode = ALL_S_IREAD;
2264 int plen;
2265
2266 TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
2267
2268 if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
2269 {
2270 TRACE("failed (%d)\n",GetLastError());
2271 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
2272 return -1;
2273 }
2274
2275 memset(buf,0,sizeof(struct MSVCRT__stat64));
2276
2277 /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
2278 if (MSVCRT_iswalpha(*path))
2279 buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
2280 else
2281 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2282
2283 plen = strlenW(path);
2284
2285 /* Dir, or regular file? */
2286 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
2287 (path[plen-1] == '\\'))
2288 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2289 else
2290 {
2291 mode |= MSVCRT__S_IFREG;
2292 /* executable? */
2293 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2294 {
2295 ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
2296 ((ULONGLONG)tolowerW(path[plen-3]) << 32);
2297 if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
2298 mode |= ALL_S_IEXEC;
2299 }
2300 }
2301
2302 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2303 mode |= ALL_S_IWRITE;
2304
2305 buf->st_mode = mode;
2306 buf->st_nlink = 1;
2307 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2308 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2309 buf->st_atime = dw;
2310 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2311 buf->st_mtime = buf->st_ctime = dw;
2312 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2313 (int)(buf->st_size >> 32),(int)buf->st_size,
2314 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2315 return 0;
2316 }
2317
2318 /*********************************************************************
2319 * _wstati64 (MSVCRT.@)
2320 */
2321 int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
2322 {
2323 int ret;
2324 struct MSVCRT__stat64 buf64;
2325
2326 ret = MSVCRT__wstat64(path, &buf64);
2327 if (!ret)
2328 msvcrt_stat64_to_stati64(&buf64, buf);
2329 return ret;
2330 }
2331
2332 /*********************************************************************
2333 * _wstat (MSVCRT.@)
2334 */
2335 int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
2336 {
2337 int ret;
2338 struct MSVCRT__stat64 buf64;
2339
2340 ret = MSVCRT__wstat64( path, &buf64 );
2341 if (!ret) msvcrt_stat64_to_stat(&buf64, buf);
2342 return ret;
2343 }
2344
2345 /*********************************************************************
2346 * _tell (MSVCRT.@)
2347 */
2348 MSVCRT_long CDECL MSVCRT__tell(int fd)
2349 {
2350 return MSVCRT__lseek(fd, 0, SEEK_CUR);
2351 }
2352
2353 /*********************************************************************
2354 * _telli64 (MSVCRT.@)
2355 */
2356 __int64 CDECL _telli64(int fd)
2357 {
2358 return MSVCRT__lseeki64(fd, 0, SEEK_CUR);
2359 }
2360
2361 /*********************************************************************
2362 * _tempnam (MSVCRT.@)
2363 */
2364 char * CDECL MSVCRT__tempnam(const char *dir, const char *prefix)
2365 {
2366 char tmpbuf[MAX_PATH];
2367 const char *tmp_dir = MSVCRT_getenv("TMP");
2368
2369 if (tmp_dir) dir = tmp_dir;
2370
2371 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
2372 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
2373 {
2374 TRACE("got name (%s)\n",tmpbuf);
2375 DeleteFileA(tmpbuf);
2376 return MSVCRT__strdup(tmpbuf);
2377 }
2378 TRACE("failed (%d)\n",GetLastError());
2379 return NULL;
2380 }
2381
2382 /*********************************************************************
2383 * _wtempnam (MSVCRT.@)
2384 */
2385 MSVCRT_wchar_t * CDECL MSVCRT__wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
2386 {
2387 static const MSVCRT_wchar_t tmpW[] = {'T','M','P',0};
2388 MSVCRT_wchar_t tmpbuf[MAX_PATH];
2389 const MSVCRT_wchar_t *tmp_dir = MSVCRT__wgetenv(tmpW);
2390
2391 if (tmp_dir) dir = tmp_dir;
2392
2393 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
2394 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
2395 {
2396 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
2397 DeleteFileW(tmpbuf);
2398 return MSVCRT__wcsdup(tmpbuf);
2399 }
2400 TRACE("failed (%d)\n",GetLastError());
2401 return NULL;
2402 }
2403
2404 /*********************************************************************
2405 * _umask (MSVCRT.@)
2406 */
2407 int CDECL MSVCRT__umask(int umask)
2408 {
2409 int old_umask = MSVCRT_umask;
2410 TRACE("(%d)\n",umask);
2411 MSVCRT_umask = umask;
2412 return old_umask;
2413 }
2414
2415 /*********************************************************************
2416 * _utime64 (MSVCRT.@)
2417 */
2418 int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t)
2419 {
2420 int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2421
2422 if (fd > 0)
2423 {
2424 int retVal = _futime64(fd, t);
2425 MSVCRT__close(fd);
2426 return retVal;
2427 }
2428 return -1;
2429 }
2430
2431 /*********************************************************************
2432 * _utime32 (MSVCRT.@)
2433 */
2434 int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t)
2435 {
2436 if (t)
2437 {
2438 struct MSVCRT___utimbuf64 t64;
2439 t64.actime = t->actime;
2440 t64.modtime = t->modtime;
2441 return _utime64( path, &t64 );
2442 }
2443 else
2444 return _utime64( path, NULL );
2445 }
2446
2447 /*********************************************************************
2448 * _utime (MSVCRT.@)
2449 */
2450 #ifdef _WIN64
2451 int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t)
2452 {
2453 return _utime64( path, t );
2454 }
2455 #else
2456 int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t)
2457 {
2458 return _utime32( path, t );
2459 }
2460 #endif
2461
2462 /*********************************************************************
2463 * _wutime64 (MSVCRT.@)
2464 */
2465 int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2466 {
2467 int fd = MSVCRT__wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2468
2469 if (fd > 0)
2470 {
2471 int retVal = _futime64(fd, t);
2472 MSVCRT__close(fd);
2473 return retVal;
2474 }
2475 return -1;
2476 }
2477
2478 /*********************************************************************
2479 * _wutime32 (MSVCRT.@)
2480 */
2481 int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2482 {
2483 if (t)
2484 {
2485 struct MSVCRT___utimbuf64 t64;
2486 t64.actime = t->actime;
2487 t64.modtime = t->modtime;
2488 return _wutime64( path, &t64 );
2489 }
2490 else
2491 return _wutime64( path, NULL );
2492 }
2493
2494 /*********************************************************************
2495 * _wutime (MSVCRT.@)
2496 */
2497 #ifdef _WIN64
2498 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2499 {
2500 return _wutime64( path, t );
2501 }
2502 #else
2503 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2504 {
2505 return _wutime32( path, t );
2506 }
2507 #endif
2508
2509 /*********************************************************************
2510 * _write (MSVCRT.@)
2511 */
2512 int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
2513 {
2514 DWORD num_written;
2515 HANDLE hand = msvcrt_fdtoh(fd);
2516
2517 /* Don't trace small writes, it gets *very* annoying */
2518 #if 0
2519 if (count > 32)
2520 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
2521 #endif
2522 if (hand == INVALID_HANDLE_VALUE)
2523 {
2524 *MSVCRT__errno() = MSVCRT_EBADF;
2525 return -1;
2526 }
2527
2528 /* If appending, go to EOF */
2529 if (msvcrt_get_ioinfo(fd)->wxflag & WX_APPEND)
2530 MSVCRT__lseek(fd, 0, FILE_END);
2531
2532 if (!(msvcrt_get_ioinfo(fd)->wxflag & WX_TEXT))
2533 {
2534 if (WriteFile(hand, buf, count, &num_written, NULL)
2535 && (num_written == count))
2536 return num_written;
2537 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
2538 hand, GetLastError());
2539 *MSVCRT__errno() = MSVCRT_ENOSPC;
2540 }
2541 else
2542 {
2543 unsigned int i, j, nr_lf;
2544 char *p = NULL;
2545 const char *q;
2546 const char *s = buf, *buf_start = buf;
2547 /* find number of \n ( without preceding \r ) */
2548 for ( nr_lf=0,i = 0; i <count; i++)
2549 {
2550 if (s[i]== '\n')
2551 {
2552 nr_lf++;
2553 /*if ((i >1) && (s[i-1] == '\r')) nr_lf--; */
2554 }
2555 }
2556 if (nr_lf)
2557 {
2558 if ((q = p = MSVCRT_malloc(count + nr_lf)))
2559 {
2560 for (s = buf, i = 0, j = 0; i < count; i++)
2561 {
2562 if (s[i]== '\n')
2563 {
2564 p[j++] = '\r';
2565 /*if ((i >1) && (s[i-1] == '\r'))j--;*/
2566 }
2567 p[j++] = s[i];
2568 }
2569 }
2570 else
2571 {
2572 FIXME("Malloc failed\n");
2573 nr_lf =0;
2574 q = buf;
2575 }
2576 }
2577 else
2578 q = buf;
2579
2580 if ((WriteFile(hand, q, count+nr_lf, &num_written, NULL) == 0 ) || (num_written != count+nr_lf))
2581 {
2582 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
2583 fd, hand, GetLastError(), num_written);
2584 *MSVCRT__errno() = MSVCRT_ENOSPC;
2585 if(nr_lf)
2586 MSVCRT_free(p);
2587 return s - buf_start;
2588 }
2589 else
2590 {
2591 if(nr_lf)
2592 MSVCRT_free(p);
2593 return count;
2594 }
2595 }
2596 return -1;
2597 }
2598
2599 /*********************************************************************
2600 * _putw (MSVCRT.@)
2601 */
2602 int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
2603 {
2604 int len;
2605
2606 MSVCRT__lock_file(file);
2607 len = MSVCRT__write(file->_file, &val, sizeof(val));
2608 if (len == sizeof(val)) {
2609 MSVCRT__unlock_file(file);
2610 return val;
2611 }
2612
2613 file->_flag |= MSVCRT__IOERR;
2614 MSVCRT__unlock_file(file);
2615 return MSVCRT_EOF;
2616 }
2617
2618 /*********************************************************************
2619 * fclose (MSVCRT.@)
2620 */
2621 int CDECL MSVCRT_fclose(MSVCRT_FILE* file)
2622 {
2623 int r, flag;
2624
2625 MSVCRT__lock_file(file);
2626 flag = file->_flag;
2627 MSVCRT_free(file->_tmpfname);
2628 file->_tmpfname = NULL;
2629 /* flush stdio buffers */
2630 if(file->_flag & MSVCRT__IOWRT)
2631 MSVCRT_fflush(file);
2632 if(file->_flag & MSVCRT__IOMYBUF)
2633 MSVCRT_free(file->_base);
2634
2635 r=MSVCRT__close(file->_file);
2636
2637 file->_flag = 0;
2638 MSVCRT__unlock_file(file);
2639
2640 return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
2641 }
2642
2643 /*********************************************************************
2644 * feof (MSVCRT.@)
2645 */
2646 int CDECL MSVCRT_feof(MSVCRT_FILE* file)
2647 {
2648 return file->_flag & MSVCRT__IOEOF;
2649 }
2650
2651 /*********************************************************************
2652 * ferror (MSVCRT.@)
2653 */
2654 int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
2655 {
2656 return file->_flag & MSVCRT__IOERR;
2657 }
2658
2659 /*********************************************************************
2660 * _filbuf (MSVCRT.@)
2661 */
2662 int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
2663 {
2664 unsigned char c;
2665 MSVCRT__lock_file(file);
2666
2667 /* Allocate buffer if needed */
2668 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF))
2669 msvcrt_alloc_buffer(file);
2670
2671 if(!(file->_flag & MSVCRT__IOREAD)) {
2672 if(file->_flag & MSVCRT__IORW)
2673 file->_flag |= MSVCRT__IOREAD;
2674 else {
2675 MSVCRT__unlock_file(file);
2676 return MSVCRT_EOF;
2677 }
2678 }
2679
2680 if(file->_flag & MSVCRT__IONBF) {
2681 int r;
2682 if ((r = read_i(file->_file,&c,1)) != 1) {
2683 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2684 MSVCRT__unlock_file(file);
2685 return MSVCRT_EOF;
2686 }
2687
2688 MSVCRT__unlock_file(file);
2689 return c;
2690 } else {
2691 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
2692 if(file->_cnt<=0) {
2693 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2694 file->_cnt = 0;
2695 MSVCRT__unlock_file(file);
2696 return MSVCRT_EOF;
2697 }
2698
2699 file->_cnt--;
2700 file->_ptr = file->_base+1;
2701 c = *(unsigned char *)file->_base;
2702 MSVCRT__unlock_file(file);
2703 return c;
2704 }
2705 }
2706
2707 /*********************************************************************
2708 * fgetc (MSVCRT.@)
2709 */
2710 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
2711 {
2712 unsigned char *i;
2713 unsigned int j;
2714
2715 MSVCRT__lock_file(file);
2716 if (file->_cnt>0) {
2717 file->_cnt--;
2718 i = (unsigned char *)file->_ptr++;
2719 j = *i;
2720 } else
2721 j = MSVCRT__filbuf(file);
2722
2723 MSVCRT__unlock_file(file);
2724 return j;
2725 }
2726
2727 /*********************************************************************
2728 * _fgetchar (MSVCRT.@)
2729 */
2730 int CDECL MSVCRT__fgetchar(void)
2731 {
2732 return MSVCRT_fgetc(MSVCRT_stdin);
2733 }
2734
2735 /*********************************************************************
2736 * fgets (MSVCRT.@)
2737 */
2738 char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
2739 {
2740 int cc = MSVCRT_EOF;
2741 char * buf_start = s;
2742
2743 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2744 file,file->_file,s,size);
2745
2746 MSVCRT__lock_file(file);
2747
2748 while ((size >1) && (cc = MSVCRT_fgetc(file)) != MSVCRT_EOF && cc != '\n')
2749 {
2750 *s++ = (char)cc;
2751 size --;
2752 }
2753 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
2754 {
2755 TRACE(":nothing read\n");
2756 MSVCRT__unlock_file(file);
2757 return NULL;
2758 }
2759 if ((cc != MSVCRT_EOF) && (size > 1))
2760 *s++ = cc;
2761 *s = '\0';
2762 TRACE(":got %s\n", debugstr_a(buf_start));
2763 MSVCRT__unlock_file(file);
2764 return buf_start;
2765 }
2766
2767 /*********************************************************************
2768 * fgetwc (MSVCRT.@)
2769 *
2770 * In MSVCRT__O_TEXT mode, multibyte characters are read from the file, dropping
2771 * the CR from CR/LF combinations
2772 */
2773 MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
2774 {
2775 int c;
2776
2777 MSVCRT__lock_file(file);
2778 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT))
2779 {
2780 MSVCRT_wchar_t wc;
2781 unsigned int i;
2782 int j;
2783 char *chp, *wcp;
2784 wcp = (char *)&wc;
2785 for(i=0; i<sizeof(wc); i++)
2786 {
2787 if (file->_cnt>0)
2788 {
2789 file->_cnt--;
2790 chp = file->_ptr++;
2791 wcp[i] = *chp;
2792 }
2793 else
2794 {
2795 j = MSVCRT__filbuf(file);
2796 if(file->_cnt<=0)
2797 {
2798 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2799 file->_cnt = 0;
2800
2801 MSVCRT__unlock_file(file);
2802 return MSVCRT_WEOF;
2803 }
2804 wcp[i] = j;
2805 }
2806 }
2807
2808 MSVCRT__unlock_file(file);
2809 return wc;
2810 }
2811
2812 c = MSVCRT_fgetc(file);
2813 if ((get_locinfo()->mb_cur_max > 1) && MSVCRT_isleadbyte(c))
2814 {
2815 FIXME("Treat Multibyte characters\n");
2816 }
2817
2818 MSVCRT__unlock_file(file);
2819 if (c == MSVCRT_EOF)
2820 return MSVCRT_WEOF;
2821 else
2822 return (MSVCRT_wint_t)c;
2823 }
2824
2825 /*********************************************************************
2826 * _getw (MSVCRT.@)
2827 */
2828 int CDECL MSVCRT__getw(MSVCRT_FILE* file)
2829 {
2830 char *ch;
2831 int i, k;
2832 unsigned int j;
2833 ch = (char *)&i;
2834
2835 MSVCRT__lock_file(file);
2836 for (j=0; j<sizeof(int); j++) {
2837 k = MSVCRT_fgetc(file);
2838 if (k == MSVCRT_EOF) {
2839 file->_flag |= MSVCRT__IOEOF;
2840 MSVCRT__unlock_file(file);
2841 return EOF;
2842 }
2843 ch[j] = k;
2844 }
2845
2846 MSVCRT__unlock_file(file);
2847 return i;
2848 }
2849
2850 /*********************************************************************
2851 * getwc (MSVCRT.@)
2852 */
2853 MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
2854 {
2855 return MSVCRT_fgetwc(file);
2856 }
2857
2858 /*********************************************************************
2859 * _fgetwchar (MSVCRT.@)
2860 */
2861 MSVCRT_wint_t CDECL MSVCRT__fgetwchar(void)
2862 {
2863 return MSVCRT_fgetwc(MSVCRT_stdin);
2864 }
2865
2866 /*********************************************************************
2867 * getwchar (MSVCRT.@)
2868 */
2869 MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
2870 {
2871 return MSVCRT__fgetwchar();
2872 }
2873
2874 /*********************************************************************
2875 * fgetws (MSVCRT.@)
2876 */
2877 MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
2878 {
2879 int cc = MSVCRT_WEOF;
2880 MSVCRT_wchar_t * buf_start = s;
2881
2882 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2883 file,file->_file,s,size);
2884
2885 MSVCRT__lock_file(file);
2886
2887 while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n')
2888 {
2889 *s++ = (char)cc;
2890 size --;
2891 }
2892 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
2893 {
2894 TRACE(":nothing read\n");
2895 MSVCRT__unlock_file(file);
2896 return NULL;
2897 }
2898 if ((cc != MSVCRT_WEOF) && (size > 1))
2899 *s++ = cc;
2900 *s = 0;
2901 TRACE(":got %s\n", debugstr_w(buf_start));
2902 MSVCRT__unlock_file(file);
2903 return buf_start;
2904 }
2905
2906 /*********************************************************************
2907 * fwrite (MSVCRT.@)
2908 */
2909 MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
2910 {
2911 MSVCRT_size_t wrcnt=size * nmemb;
2912 int written = 0;
2913 if (size == 0)
2914 return 0;
2915
2916 MSVCRT__lock_file(file);
2917 if(file->_cnt) {
2918 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
2919 memcpy(file->_ptr, ptr, pcnt);
2920 file->_cnt -= pcnt;
2921 file->_ptr += pcnt;
2922 written = pcnt;
2923 wrcnt -= pcnt;
2924 ptr = (const char*)ptr + pcnt;
2925 } else if(!(file->_flag & MSVCRT__IOWRT)) {
2926 if(file->_flag & MSVCRT__IORW) {
2927 file->_flag |= MSVCRT__IOWRT;
2928 } else {
2929 MSVCRT__unlock_file(file);
2930 return 0;
2931 }
2932 }
2933 if(wrcnt) {
2934 /* Flush buffer */
2935 int res=msvcrt_flush_buffer(file);
2936 if(!res) {
2937 int pwritten = MSVCRT__write(file->_file, ptr, wrcnt);
2938 if (pwritten <= 0)
2939 {
2940 file->_flag |= MSVCRT__IOERR;
2941 pwritten=0;
2942 }
2943 written += pwritten;
2944 }
2945 }
2946
2947 MSVCRT__unlock_file(file);
2948 return written / size;
2949 }
2950
2951 /*********************************************************************
2952 * fputwc (MSVCRT.@)
2953 */
2954 MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
2955 {
2956 MSVCRT_wchar_t mwc=wc;
2957 if (MSVCRT_fwrite( &mwc, sizeof(mwc), 1, file) != 1)
2958 return MSVCRT_WEOF;
2959 return wc;
2960 }
2961
2962 /*********************************************************************
2963 * _fputwchar (MSVCRT.@)
2964 */
2965 MSVCRT_wint_t CDECL MSVCRT__fputwchar(MSVCRT_wint_t wc)
2966 {
2967 return MSVCRT_fputwc(wc, MSVCRT_stdout);
2968 }
2969
2970 /*********************************************************************
2971 * _wfsopen (MSVCRT.@)
2972 */
2973 MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
2974 {
2975 MSVCRT_FILE* file;
2976 int open_flags, stream_flags, fd;
2977
2978 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
2979
2980 /* map mode string to open() flags. "man fopen" for possibilities. */
2981 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
2982 return NULL;
2983
2984 LOCK_FILES();
2985 fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
2986 if (fd < 0)
2987 file = NULL;
2988 else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
2989 != -1)
2990 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
2991 else if (file)
2992 {
2993 file->_flag = 0;
2994 file = NULL;
2995 }
2996
2997 TRACE(":got (%p)\n",file);
2998 if (fd >= 0 && !file)
2999 MSVCRT__close(fd);
3000 UNLOCK_FILES();
3001 return file;
3002 }
3003
3004 /*********************************************************************
3005 * _fsopen (MSVCRT.@)
3006 */
3007 MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
3008 {
3009 MSVCRT_FILE *ret;
3010 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3011
3012 if (path && !(pathW = msvcrt_wstrdupa(path))) {
3013 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3014 *MSVCRT__errno() = MSVCRT_EINVAL;
3015 return NULL;
3016 }
3017 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3018 {
3019 MSVCRT_free(pathW);
3020 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3021 *MSVCRT__errno() = MSVCRT_EINVAL;
3022 return NULL;
3023 }
3024
3025 ret = MSVCRT__wfsopen(pathW, modeW, share);
3026
3027 MSVCRT_free(pathW);
3028 MSVCRT_free(modeW);
3029 return ret;
3030 }
3031
3032 /*********************************************************************
3033 * fopen (MSVCRT.@)
3034 */
3035 MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
3036 {
3037 return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
3038 }
3039
3040 /*********************************************************************
3041 * fopen_s (MSVCRT.@)
3042 */
3043 int CDECL MSVCRT_fopen_s(MSVCRT_FILE** pFile,
3044 const char *filename, const char *mode)
3045 {
3046 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
3047 !MSVCRT_CHECK_PMT(mode != NULL)) {
3048 *MSVCRT__errno() = MSVCRT_EINVAL;
3049 return MSVCRT_EINVAL;
3050 }
3051
3052 *pFile = MSVCRT_fopen(filename, mode);
3053
3054 if(!*pFile)
3055 return *MSVCRT__errno();
3056 return 0;
3057 }
3058
3059 /*********************************************************************
3060 * _wfopen (MSVCRT.@)
3061 */
3062 MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
3063 {
3064 return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
3065 }
3066
3067 /*********************************************************************
3068 * _wfopen_s (MSVCRT.@)
3069 */
3070 int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename,
3071 const MSVCRT_wchar_t *mode)
3072 {
3073 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
3074 !MSVCRT_CHECK_PMT(mode != NULL)) {
3075 *MSVCRT__errno() = MSVCRT_EINVAL;
3076 return MSVCRT_EINVAL;
3077 }
3078
3079 *pFile = MSVCRT__wfopen(filename, mode);
3080
3081 if(!*pFile)
3082 return *MSVCRT__errno();
3083 return 0;
3084 }
3085
3086 /*********************************************************************
3087 * _flsbuf (MSVCRT.@)
3088 */
3089 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
3090 {
3091 /* Flush output buffer */
3092 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
3093 msvcrt_alloc_buffer(file);
3094 }
3095 if(!(file->_flag & MSVCRT__IOWRT)) {
3096 if(file->_flag & MSVCRT__IORW)
3097 file->_flag |= MSVCRT__IOWRT;
3098 else
3099 return MSVCRT_EOF;
3100 }
3101 if(file->_bufsiz) {
3102 int res = 0;
3103
3104 if(file->_cnt <= 0)
3105 res = msvcrt_flush_buffer(file);
3106 if(!res) {
3107 *file->_ptr++ = c;
3108 file->_cnt--;
3109 res = msvcrt_flush_buffer(file);
3110 }
3111
3112 return res ? res : c&0xff;
3113 } else {
3114 unsigned char cc=c;
3115 int len;
3116 /* set _cnt to 0 for unbuffered FILEs */
3117 file->_cnt = 0;
3118 len = MSVCRT__write(file->_file, &cc, 1);
3119 if (len == 1)
3120 return c & 0xff;
3121 file->_flag |= MSVCRT__IOERR;
3122 return MSVCRT_EOF;
3123 }
3124 }
3125
3126 /*********************************************************************
3127 * fputc (MSVCRT.@)
3128 */
3129 int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
3130 {
3131 int res;
3132
3133 MSVCRT__lock_file(file);
3134 if(file->_cnt>0) {
3135 *file->_ptr++=c;
3136 file->_cnt--;
3137 if (c == '\n')
3138 {
3139 res = msvcrt_flush_buffer(file);
3140 MSVCRT__unlock_file(file);
3141 return res ? res : c;
3142 }
3143 else {
3144 MSVCRT__unlock_file(file);
3145 return c & 0xff;
3146 }
3147 } else {
3148 res = MSVCRT__flsbuf(c, file);
3149 MSVCRT__unlock_file(file);
3150 return res;
3151 }
3152 }
3153
3154 /*********************************************************************
3155 * _fputchar (MSVCRT.@)
3156 */
3157 int CDECL MSVCRT__fputchar(int c)
3158 {
3159 return MSVCRT_fputc(c, MSVCRT_stdout);
3160 }
3161
3162 /*********************************************************************
3163 * fread (MSVCRT.@)
3164 */
3165 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3166 {
3167 MSVCRT_size_t rcnt=size * nmemb;
3168 MSVCRT_size_t read=0;
3169 int pread=0;
3170
3171 if(!rcnt)
3172 return 0;
3173
3174 MSVCRT__lock_file(file);
3175
3176 /* first buffered data */
3177 if(file->_cnt>0) {
3178 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
3179 memcpy(ptr, file->_ptr, pcnt);
3180 file->_cnt -= pcnt;
3181 file->_ptr += pcnt;
3182 read += pcnt ;
3183 rcnt -= pcnt ;
3184 ptr = (char*)ptr + pcnt;
3185 } else if(!(file->_flag & MSVCRT__IOREAD )) {
3186 if(file->_flag & MSVCRT__IORW) {
3187 file->_flag |= MSVCRT__IOREAD;
3188 } else {
3189 MSVCRT__unlock_file(file);
3190 return 0;
3191 }
3192 }
3193 while(rcnt>0)
3194 {
3195 int i;
3196 /* Fill the buffer on small reads.
3197 * TODO: Use a better buffering strategy.
3198 */
3199 if (!file->_cnt && size*nmemb <= MSVCRT_BUFSIZ/2 && !(file->_flag & MSVCRT__IONBF)) {
3200 if (file->_bufsiz == 0) {
3201 msvcrt_alloc_buffer(file);
3202 }
3203 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
3204 file->_ptr = file->_base;
3205 i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
3206 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
3207 if (i > 0 && i < file->_cnt) {
3208 msvcrt_get_ioinfo(file->_file)->wxflag &= ~WX_ATEOF;
3209 file->_flag &= ~MSVCRT__IOEOF;
3210 }
3211 if (i > 0) {
3212 memcpy(ptr, file->_ptr, i);
3213 file->_cnt -= i;
3214 file->_ptr += i;
3215 }
3216 } else {
3217 i = MSVCRT__read(file->_file,ptr, rcnt);
3218 }
3219 pread += i;
3220 rcnt -= i;
3221 ptr = (char *)ptr+i;
3222 /* expose feof condition in the flags
3223 * MFC tests file->_flag for feof, and doesn't call feof())
3224 */
3225 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_ATEOF)
3226 file->_flag |= MSVCRT__IOEOF;
3227 else if (i == -1)
3228 {
3229 file->_flag |= MSVCRT__IOERR;
3230 pread = 0;
3231 rcnt = 0;
3232 }
3233 if (i < 1) break;
3234 }
3235 read+=pread;
3236 MSVCRT__unlock_file(file);
3237 return read / size;
3238 }
3239
3240 /*********************************************************************
3241 * _wfreopen (MSVCRT.@)
3242 *
3243 */
3244 MSVCRT_FILE* CDECL MSVCRT__wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
3245 {
3246 int open_flags, stream_flags, fd;
3247
3248 TRACE(":path (%s) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file->_file);
3249
3250 LOCK_FILES();
3251 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
3252 file = NULL;
3253 else
3254 {
3255 MSVCRT_fclose(file);
3256 /* map mode string to open() flags. "man fopen" for possibilities. */
3257 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
3258 file = NULL;
3259 else
3260 {
3261 fd = MSVCRT__wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
3262 if (fd < 0)
3263 file = NULL;
3264 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
3265 {
3266 file->_flag = 0;
3267 WARN(":failed-last error (%d)\n",GetLastError());
3268 msvcrt_set_errno(GetLastError());
3269 file = NULL;
3270 }
3271 }
3272 }
3273 UNLOCK_FILES();
3274 return file;
3275 }
3276
3277 /*********************************************************************
3278 * _wfreopen_s (MSVCRT.@)
3279 */
3280 int CDECL MSVCRT__wfreopen_s(MSVCRT_FILE** pFile,
3281 const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
3282 {
3283 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(path != NULL) ||
3284 !MSVCRT_CHECK_PMT(mode != NULL) || !MSVCRT_CHECK_PMT(file != NULL)) {
3285 *MSVCRT__errno() = MSVCRT_EINVAL;
3286 return MSVCRT_EINVAL;
3287 }
3288
3289 *pFile = MSVCRT__wfreopen(path, mode, file);
3290
3291 if(!*pFile)
3292 return *MSVCRT__errno();
3293 return 0;
3294 }
3295
3296 /*********************************************************************
3297 * freopen (MSVCRT.@)
3298 *
3299 */
3300 MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
3301 {
3302 MSVCRT_FILE *ret;
3303 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3304
3305 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
3306 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3307 {
3308 MSVCRT_free(pathW);
3309 return NULL;
3310 }
3311
3312 ret = MSVCRT__wfreopen(pathW, modeW, file);
3313
3314 MSVCRT_free(pathW);
3315 MSVCRT_free(modeW);
3316 return ret;
3317 }
3318
3319 /*********************************************************************
3320 * freopen_s (MSVCRT.@)
3321 */
3322 int CDECL MSVCRT_freopen_s(MSVCRT_FILE** pFile,
3323 const char *path, const char *mode, MSVCRT_FILE* file)
3324 {
3325 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(path != NULL) ||
3326 !MSVCRT_CHECK_PMT(mode != NULL) || !MSVCRT_CHECK_PMT(file != NULL)) {
3327 *MSVCRT__errno() = MSVCRT_EINVAL;
3328 return MSVCRT_EINVAL;
3329 }
3330
3331 *pFile = MSVCRT_freopen(path, mode, file);
3332
3333 if(!*pFile)
3334 return *MSVCRT__errno();
3335 return 0;
3336 }
3337
3338 /*********************************************************************
3339 * fsetpos (MSVCRT.@)
3340 */
3341 int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3342 {
3343 int ret;
3344
3345 MSVCRT__lock_file(file);
3346 /* Note that all this has been lifted 'as is' from fseek */
3347 if(file->_flag & MSVCRT__IOWRT)
3348 msvcrt_flush_buffer(file);
3349
3350 /* Discard buffered input */
3351 file->_cnt = 0;
3352 file->_ptr = file->_base;
3353
3354 /* Reset direction of i/o */
3355 if(file->_flag & MSVCRT__IORW) {
3356 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
3357 }
3358
3359 ret = (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
3360 MSVCRT__unlock_file(file);
3361 return ret;
3362 }
3363
3364 /*********************************************************************
3365 * _ftelli64 (MSVCRT.@)
3366 */
3367 __int64 CDECL MSVCRT__ftelli64(MSVCRT_FILE* file)
3368 {
3369 /* TODO: just call fgetpos and return lower half of result */
3370 int off=0;
3371 __int64 pos;
3372
3373 MSVCRT__lock_file(file);
3374 pos = _telli64(file->_file);
3375 if(pos == -1) {
3376 MSVCRT__unlock_file(file);
3377 return -1;
3378 }
3379 if(file->_bufsiz) {
3380 if( file->_flag & MSVCRT__IOWRT ) {
3381 off = file->_ptr - file->_base;
3382 } else {
3383 off = -file->_cnt;
3384 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3385 /* Black magic correction for CR removal */
3386 int i;
3387 for (i=0; i<file->_cnt; i++) {
3388 if (file->_ptr[i] == '\n')
3389 off--;
3390 }
3391 /* Black magic when reading CR at buffer boundary*/
3392 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
3393 off--;
3394 }
3395 }
3396 }
3397
3398 MSVCRT__unlock_file(file);
3399 return off + pos;
3400 }
3401
3402 /*********************************************************************
3403 * ftell (MSVCRT.@)
3404 */
3405 LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
3406 {
3407 return MSVCRT__ftelli64(file);
3408 }
3409
3410 /*********************************************************************
3411 * fgetpos (MSVCRT.@)
3412 */
3413 int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3414 {
3415 int off=0;
3416
3417 MSVCRT__lock_file(file);
3418 *pos = MSVCRT__lseeki64(file->_file,0,SEEK_CUR);
3419 if(*pos == -1) {
3420 MSVCRT__unlock_file(file);
3421 return -1;
3422 }
3423 if(file->_bufsiz) {
3424 if( file->_flag & MSVCRT__IOWRT ) {
3425 off = file->_ptr - file->_base;
3426 } else {
3427 off = -file->_cnt;
3428 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3429 /* Black magic correction for CR removal */
3430 int i;
3431 for (i=0; i<file->_cnt; i++) {
3432 if (file->_ptr[i] == '\n')
3433 off--;
3434 }
3435 /* Black magic when reading CR at buffer boundary*/
3436 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
3437 off--;
3438 }
3439 }
3440 }
3441 *pos += off;
3442 MSVCRT__unlock_file(file);
3443 return 0;
3444 }
3445
3446 /*********************************************************************
3447 * fputs (MSVCRT.@)
3448 */
3449 int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
3450 {
3451 MSVCRT_size_t i, len = strlen(s);
3452 int ret;
3453
3454 MSVCRT__lock_file(file);
3455 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3456 ret = MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
3457 MSVCRT__unlock_file(file);
3458 return ret;
3459 }
3460 for (i=0; i<len; i++)
3461 if (MSVCRT_fputc(s[i], file) == MSVCRT_EOF) {
3462 MSVCRT__unlock_file(file);
3463 return MSVCRT_EOF;
3464 }
3465
3466 MSVCRT__unlock_file(file);
3467 return 0;
3468 }
3469
3470 /*********************************************************************
3471 * fputws (MSVCRT.@)
3472 */
3473 int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
3474 {
3475 MSVCRT_size_t i, len = strlenW(s);
3476 int ret;
3477
3478 MSVCRT__lock_file(file);
3479 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3480 ret = MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
3481 MSVCRT__unlock_file(file);
3482 return ret;
3483 }
3484 for (i=0; i<len; i++) {
3485 if (((s[i] == '\n') && (MSVCRT_fputc('\r', file) == MSVCRT_EOF))
3486 || MSVCRT_fputwc(s[i], file) == MSVCRT_WEOF) {
3487 MSVCRT__unlock_file(file);
3488 return MSVCRT_WEOF;
3489 }
3490 }
3491
3492 MSVCRT__unlock_file(file);
3493 return 0;
3494 }
3495
3496 /*********************************************************************
3497 * getchar (MSVCRT.@)
3498 */
3499 int CDECL MSVCRT_getchar(void)
3500 {
3501 return MSVCRT_fgetc(MSVCRT_stdin);
3502 }
3503
3504 /*********************************************************************
3505 * getc (MSVCRT.@)
3506 */
3507 int CDECL MSVCRT_getc(MSVCRT_FILE* file)
3508 {
3509 return MSVCRT_fgetc(file);
3510 }
3511
3512 /*********************************************************************
3513 * gets (MSVCRT.@)
3514 */
3515 char * CDECL MSVCRT_gets(char *buf)
3516 {
3517 int cc;
3518 char * buf_start = buf;
3519
3520 MSVCRT__lock_file(MSVCRT_stdin);
3521 for(cc = MSVCRT_fgetc(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
3522 cc = MSVCRT_fgetc(MSVCRT_stdin))
3523 if(cc != '\r') *buf++ = (char)cc;
3524
3525 *buf = '\0';
3526
3527 TRACE("got '%s'\n", buf_start);
3528 MSVCRT__unlock_file(MSVCRT_stdin);
3529 return buf_start;
3530 }
3531
3532 /*********************************************************************
3533 * _getws (MSVCRT.@)
3534 */
3535 MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
3536 {
3537 MSVCRT_wint_t cc;
3538 MSVCRT_wchar_t* ws = buf;
3539
3540 MSVCRT__lock_file(MSVCRT_stdin);
3541 for (cc = MSVCRT_fgetwc(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
3542 cc = MSVCRT_fgetwc(MSVCRT_stdin))
3543 {
3544 if (cc != '\r')
3545 *buf++ = (MSVCRT_wchar_t)cc;
3546 }
3547 *buf = '\0';
3548
3549 TRACE("got %s\n", debugstr_w(ws));
3550 MSVCRT__unlock_file(MSVCRT_stdin);
3551 return ws;
3552 }
3553
3554 /*********************************************************************
3555 * putc (MSVCRT.@)
3556 */
3557 int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
3558 {
3559 return MSVCRT_fputc(c, file);
3560 }
3561
3562 /*********************************************************************
3563 * putchar (MSVCRT.@)
3564 */
3565 int CDECL MSVCRT_putchar(int c)
3566 {
3567 return MSVCRT_fputc(c, MSVCRT_stdout);
3568 }
3569
3570 /*********************************************************************
3571 * _putwch (MSVCRT.@)
3572 */
3573 int CDECL MSVCRT__putwch(int c)
3574 {
3575 return MSVCRT_fputwc(c, MSVCRT_stdout);
3576 }
3577
3578 /*********************************************************************
3579 * puts (MSVCRT.@)
3580 */
3581 int CDECL MSVCRT_puts(const char *s)
3582 {
3583 MSVCRT_size_t len = strlen(s);
3584 int ret;
3585
3586 MSVCRT__lock_file(MSVCRT_stdout);
3587 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
3588 MSVCRT__unlock_file(MSVCRT_stdout);
3589 return MSVCRT_EOF;
3590 }
3591
3592 ret = MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3593 MSVCRT__unlock_file(MSVCRT_stdout);
3594 return ret;
3595 }
3596
3597 /*********************************************************************
3598 * _putws (MSVCRT.@)
3599 */
3600 int CDECL MSVCRT__putws(const MSVCRT_wchar_t *s)
3601 {
3602 static const MSVCRT_wchar_t nl = '\n';
3603 MSVCRT_size_t len = strlenW(s);
3604 int ret;
3605
3606 MSVCRT__lock_file(MSVCRT_stdout);
3607 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
3608 MSVCRT__unlock_file(MSVCRT_stdout);
3609 return MSVCRT_EOF;
3610 }
3611
3612 ret = MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3613 MSVCRT__unlock_file(MSVCRT_stdout);
3614 return ret;
3615 }
3616
3617 /*********************************************************************
3618 * remove (MSVCRT.@)
3619 */
3620 int CDECL MSVCRT_remove(const char *path)
3621 {
3622 TRACE("(%s)\n",path);
3623 if (DeleteFileA(path))
3624 return 0;
3625 TRACE(":failed (%d)\n",GetLastError());
3626 msvcrt_set_errno(GetLastError());
3627 return -1;
3628 }
3629
3630 /*********************************************************************
3631 * _wremove (MSVCRT.@)
3632 */
3633 int CDECL MSVCRT__wremove(const MSVCRT_wchar_t *path)
3634 {
3635 TRACE("(%s)\n",debugstr_w(path));
3636 if (DeleteFileW(path))
3637 return 0;
3638 TRACE(":failed (%d)\n",GetLastError());
3639 msvcrt_set_errno(GetLastError());
3640 return -1;
3641 }
3642
3643 /*********************************************************************
3644 * rename (MSVCRT.@)
3645 */
3646 int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
3647 {
3648 TRACE(":from %s to %s\n",oldpath,newpath);
3649 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3650 return 0;
3651 TRACE(":failed (%d)\n",GetLastError());
3652 msvcrt_set_errno(GetLastError());
3653 return -1;
3654 }
3655
3656 /*********************************************************************
3657 * _wrename (MSVCRT.@)
3658 */
3659 int CDECL MSVCRT__wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
3660 {
3661 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
3662 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3663 return 0;
3664 TRACE(":failed (%d)\n",GetLastError());
3665 msvcrt_set_errno(GetLastError());
3666 return -1;
3667 }
3668
3669 /*********************************************************************
3670 * setvbuf (MSVCRT.@)
3671 */
3672 int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
3673 {
3674 MSVCRT__lock_file(file);
3675 if(file->_bufsiz) {
3676 MSVCRT_free(file->_base);
3677 file->_bufsiz = 0;
3678 file->_cnt = 0;
3679 }
3680 if(mode == MSVCRT__IOFBF) {
3681 file->_flag &= ~MSVCRT__IONBF;
3682 file->_base = file->_ptr = buf;
3683 if(buf) {
3684 file->_bufsiz = size;
3685 }
3686 } else {
3687 file->_flag |= MSVCRT__IONBF;
3688 }
3689 MSVCRT__unlock_file(file);
3690 return 0;
3691 }
3692
3693 /*********************************************************************
3694 * setbuf (MSVCRT.@)
3695 */
3696 void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
3697 {
3698 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
3699 }
3700
3701 /*********************************************************************
3702 * tmpnam (MSVCRT.@)
3703 */
3704 char * CDECL MSVCRT_tmpnam(char *s)
3705 {
3706 char tmpstr[16];
3707 char *p;
3708 int count, size;
3709
3710 if (!s) {
3711 thread_data_t *data = msvcrt_get_thread_data();
3712
3713 if(!data->tmpnam_buffer)
3714 data->tmpnam_buffer = MSVCRT_malloc(MAX_PATH);
3715
3716 s = data->tmpnam_buffer;
3717 }
3718
3719 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
3720 p = s + sprintf(s, "\\s%s.", tmpstr);
3721 for (count = 0; count < MSVCRT_TMP_MAX; count++)
3722 {
3723 size = msvcrt_int_to_base32(tmpnam_unique++, tmpstr);
3724 memcpy(p, tmpstr, size);
3725 p[size] = '\0';
3726 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
3727 GetLastError() == ERROR_FILE_NOT_FOUND)
3728 break;
3729 }
3730 return s;
3731 }
3732
3733 /*********************************************************************
3734 * _wtmpnam (MSVCRT.@)
3735 */
3736 MSVCRT_wchar_t * CDECL MSVCRT_wtmpnam(MSVCRT_wchar_t *s)
3737 {
3738 static const MSVCRT_wchar_t format[] = {'\\','s','%','s','.',0};
3739 MSVCRT_wchar_t tmpstr[16];
3740 MSVCRT_wchar_t *p;
3741 int count, size;
3742 if (!s) {
3743 thread_data_t *data = msvcrt_get_thread_data();
3744
3745 if(!data->wtmpnam_buffer)
3746 data->wtmpnam_buffer = MSVCRT_malloc(sizeof(MSVCRT_wchar_t[MAX_PATH]));
3747
3748 s = data->wtmpnam_buffer;
3749 }
3750
3751 msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr);
3752 p = s + MSVCRT__snwprintf(s, MAX_PATH, format, tmpstr);
3753 for (count = 0; count < MSVCRT_TMP_MAX; count++)
3754 {
3755 size = msvcrt_int_to_base32_w(tmpnam_unique++, tmpstr);
3756 memcpy(p, tmpstr, size*sizeof(MSVCRT_wchar_t));
3757 p[size] = '\0';
3758 if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
3759 GetLastError() == ERROR_FILE_NOT_FOUND)
3760 break;
3761 }
3762 return s;
3763 }
3764
3765 /*********************************************************************
3766 * tmpfile (MSVCRT.@)
3767 */
3768 MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
3769 {
3770 char *filename = MSVCRT_tmpnam(NULL);
3771 int fd;
3772 MSVCRT_FILE* file = NULL;
3773
3774 LOCK_FILES();
3775 fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY);
3776 if (fd != -1 && (file = msvcrt_alloc_fp()))
3777 {
3778 if (msvcrt_init_fp(file, fd, MSVCRT__O_RDWR) == -1)
3779 {
3780 file->_flag = 0;
3781 file = NULL;
3782 }
3783 else file->_tmpfname = MSVCRT__strdup(filename);
3784 }
3785 UNLOCK_FILES();
3786 return file;
3787 }
3788
3789 static int puts_clbk_file_a(void *file, int len, const char *str)
3790 {
3791 return MSVCRT_fwrite(str, sizeof(char), len, file);
3792 }
3793
3794 static int puts_clbk_file_w(void *file, int len, const MSVCRT_wchar_t *str)
3795 {
3796 return MSVCRT_fwrite(str, sizeof(MSVCRT_wchar_t), len, file);
3797 }
3798
3799 /*********************************************************************
3800 * vfprintf (MSVCRT.@)
3801 */
3802 int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
3803 {
3804 int ret;
3805
3806 MSVCRT__lock_file(file);
3807 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
3808 MSVCRT__unlock_file(file);
3809
3810 return ret;
3811 }
3812
3813 /*********************************************************************
3814 * vfprintf_s (MSVCRT.@)
3815 */
3816 int CDECL MSVCRT_vfprintf_s(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
3817 {
3818 int ret;
3819
3820 if(!MSVCRT_CHECK_PMT(file != NULL)) {
3821 *MSVCRT__errno() = MSVCRT_EINVAL;
3822 return -1;
3823 }
3824
3825 MSVCRT__lock_file(file);
3826 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
3827 MSVCRT__unlock_file(file);
3828
3829 return ret;
3830 }
3831
3832 /*********************************************************************
3833 * vfwprintf (MSVCRT.@)
3834 */
3835 int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
3836 {
3837 int ret;
3838
3839 MSVCRT__lock_file(file);
3840 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
3841 MSVCRT__unlock_file(file);
3842
3843 return ret;
3844 }
3845
3846 /*********************************************************************
3847 * vfwprintf_s (MSVCRT.@)
3848 */
3849 int CDECL MSVCRT_vfwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
3850 {
3851 int ret;
3852
3853 if(!MSVCRT_CHECK_PMT( file != NULL)) {
3854 *MSVCRT__errno() = MSVCRT_EINVAL;
3855 return -1;
3856 }
3857
3858 MSVCRT__lock_file(file);
3859 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
3860 MSVCRT__unlock_file(file);
3861
3862 return ret;
3863 }
3864
3865 /*********************************************************************
3866 * vprintf (MSVCRT.@)
3867 */
3868 int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
3869 {
3870 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
3871 }
3872
3873 /*********************************************************************
3874 * vprintf_s (MSVCRT.@)
3875 */
3876 int CDECL MSVCRT_vprintf_s(const char *format, __ms_va_list valist)
3877 {
3878 return MSVCRT_vfprintf_s(MSVCRT_stdout,format,valist);
3879 }
3880
3881 /*********************************************************************
3882 * vwprintf (MSVCRT.@)
3883 */
3884 int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
3885 {
3886 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
3887 }
3888
3889 /*********************************************************************
3890 * vwprintf_s (MSVCRT.@)
3891 */
3892 int CDECL MSVCRT_vwprintf_s(const MSVCRT_wchar_t *format, __ms_va_list valist)
3893 {
3894 return MSVCRT_vfwprintf_s(MSVCRT_stdout,format,valist);
3895 }
3896
3897 /*********************************************************************
3898 * fprintf (MSVCRT.@)
3899 */
3900 int CDECL MSVCRT_fprintf(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(file, format, valist);
3906 __ms_va_end(valist);
3907 return res;
3908 }
3909
3910 /*********************************************************************
3911 * fprintf_s (MSVCRT.@)
3912 */
3913 int CDECL MSVCRT_fprintf_s(MSVCRT_FILE* file, const char *format, ...)
3914 {
3915 __ms_va_list valist;
3916 int res;
3917 __ms_va_start(valist, format);
3918 res = MSVCRT_vfprintf_s(file, format, valist);
3919 __ms_va_end(valist);
3920 return res;
3921 }
3922
3923 /*********************************************************************
3924 * fwprintf (MSVCRT.@)
3925 */
3926 int CDECL MSVCRT_fwprintf(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(file, format, valist);
3932 __ms_va_end(valist);
3933 return res;
3934 }
3935
3936 /*********************************************************************
3937 * fwprintf_s (MSVCRT.@)
3938 */
3939 int CDECL MSVCRT_fwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
3940 {
3941 __ms_va_list valist;
3942 int res;
3943 __ms_va_start(valist, format);
3944 res = MSVCRT_vfwprintf_s(file, format, valist);
3945 __ms_va_end(valist);
3946 return res;
3947 }
3948
3949 /*********************************************************************
3950 * printf (MSVCRT.@)
3951 */
3952 int CDECL MSVCRT_printf(const char *format, ...)
3953 {
3954 __ms_va_list valist;
3955 int res;
3956 __ms_va_start(valist, format);
3957 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
3958 __ms_va_end(valist);
3959 return res;
3960 }
3961
3962 /*********************************************************************
3963 * printf_s (MSVCRT.@)
3964 */
3965 int CDECL MSVCRT_printf_s(const char *format, ...)
3966 {
3967 __ms_va_list valist;
3968 int res;
3969 __ms_va_start(valist, format);
3970 res = MSVCRT_vprintf_s(format, valist);
3971 __ms_va_end(valist);
3972 return res;
3973 }
3974
3975 /*********************************************************************
3976 * ungetc (MSVCRT.@)
3977 */
3978 int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
3979 {
3980 if (c == MSVCRT_EOF)
3981 return MSVCRT_EOF;
3982
3983 MSVCRT__lock_file(file);
3984 if(file->_bufsiz == 0) {
3985 msvcrt_alloc_buffer(file);
3986 file->_ptr++;
3987 }
3988 if(file->_ptr>file->_base) {
3989 file->_ptr--;
3990 *file->_ptr=c;
3991 file->_cnt++;
3992 MSVCRT_clearerr(file);
3993 MSVCRT__unlock_file(file);
3994 return c;
3995 }
3996
3997 MSVCRT__unlock_file(file);
3998 return MSVCRT_EOF;
3999 }
4000
4001 /*********************************************************************
4002 * ungetwc (MSVCRT.@)
4003 */
4004 MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
4005 {
4006 MSVCRT_wchar_t mwc = wc;
4007 char * pp = (char *)&mwc;
4008 int i;
4009
4010 MSVCRT__lock_file(file);
4011 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
4012 if(pp[i] != MSVCRT_ungetc(pp[i],file)) {
4013 MSVCRT__unlock_file(file);
4014 return MSVCRT_WEOF;
4015 }
4016 }
4017
4018 MSVCRT__unlock_file(file);
4019 return mwc;
4020 }
4021
4022 /*********************************************************************
4023 * wprintf (MSVCRT.@)
4024 */
4025 int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
4026 {
4027 __ms_va_list valist;
4028 int res;
4029 __ms_va_start(valist, format);
4030 res = MSVCRT_vwprintf(format, valist);
4031 __ms_va_end(valist);
4032 return res;
4033 }
4034
4035 /*********************************************************************
4036 * wprintf_s (MSVCRT.@)
4037 */
4038 int CDECL MSVCRT_wprintf_s(const MSVCRT_wchar_t *format, ...)
4039 {
4040 __ms_va_list valist;
4041 int res;
4042 __ms_va_start(valist, format);
4043 res = MSVCRT_vwprintf_s(format, valist);
4044 __ms_va_end(valist);
4045 return res;
4046 }
4047
4048 /*********************************************************************
4049 * _getmaxstdio (MSVCRT.@)
4050 */
4051 int CDECL MSVCRT__getmaxstdio(void)
4052 {
4053 return MSVCRT_max_streams;
4054 }
4055
4056 /*********************************************************************
4057 * _setmaxstdio (MSVCRT.@)
4058 */
4059 int CDECL MSVCRT__setmaxstdio(int newmax)
4060 {
4061 TRACE("%d\n", newmax);
4062
4063 if(newmax<_IOB_ENTRIES || newmax>MSVCRT_MAX_FILES || newmax<MSVCRT_stream_idx)
4064 return -1;
4065
4066 MSVCRT_max_streams = newmax;
4067 return MSVCRT_max_streams;
4068 }
Maarten's multimedia branch