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msvcrt: read_utf8: free readbuf on return (Coverity).
[wine/wine-gecko.git] / dlls / msvcrt / file.c
blob8a63b51758fb30055dca6a56ae224b70bfa2e177
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 <stdarg.h>
33 #include <stdio.h>
34 #ifdef HAVE_UNISTD_H
35 # include <unistd.h>
36 #endif
37 #include <sys/types.h>
38
39 #include "windef.h"
40 #include "winbase.h"
41 #include "winternl.h"
42 #include "msvcrt.h"
43 #include "mtdll.h"
44
45 #include "wine/unicode.h"
46
47 #include "wine/debug.h"
48
49 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
50
51 /* for stat mode, permissions apply to all,owner and group */
52 #define ALL_S_IREAD (MSVCRT__S_IREAD | (MSVCRT__S_IREAD >> 3) | (MSVCRT__S_IREAD >> 6))
53 #define ALL_S_IWRITE (MSVCRT__S_IWRITE | (MSVCRT__S_IWRITE >> 3) | (MSVCRT__S_IWRITE >> 6))
54 #define ALL_S_IEXEC (MSVCRT__S_IEXEC | (MSVCRT__S_IEXEC >> 3) | (MSVCRT__S_IEXEC >> 6))
55
56 /* _access() bit flags FIXME: incomplete */
57 #define MSVCRT_W_OK 0x02
58 #define MSVCRT_R_OK 0x04
59
60 /* values for wxflag in file descriptor */
61 #define WX_OPEN 0x01
62 #define WX_ATEOF 0x02
63 #define WX_READNL 0x04 /* read started with \n */
64 #define WX_PIPE 0x08
65 #define WX_DONTINHERIT 0x10
66 #define WX_APPEND 0x20
67 #define WX_TEXT 0x80
68
69 /* values for exflag - it's used differently in msvcr90.dll*/
70 #define EF_UTF8 0x01
71 #define EF_UTF16 0x02
72 #define EF_CRIT_INIT 0x04
73 #define EF_UNK_UNICODE 0x08
74
75 static char utf8_bom[3] = { 0xef, 0xbb, 0xbf };
76 static char utf16_bom[2] = { 0xff, 0xfe };
77
78 /* FIXME: this should be allocated dynamically */
79 #define MSVCRT_MAX_FILES 2048
80 #define MSVCRT_FD_BLOCK_SIZE 32
81
82 /* ioinfo structure size is different in msvcrXX.dll's */
83 typedef struct {
84 HANDLE handle;
85 unsigned char wxflag;
86 char lookahead[3];
87 int exflag;
88 CRITICAL_SECTION crit;
89 } ioinfo;
90
91 /*********************************************************************
92 * __pioinfo (MSVCRT.@)
93 * array of pointers to ioinfo arrays [32]
94 */
95 ioinfo * MSVCRT___pioinfo[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { 0 };
96
97 /*********************************************************************
98 * __badioinfo (MSVCRT.@)
99 */
100 ioinfo MSVCRT___badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT };
101
102 static int MSVCRT_fdstart = 3; /* first unallocated fd */
103 static int MSVCRT_fdend = 3; /* highest allocated fd */
104
105 typedef struct {
106 MSVCRT_FILE file;
107 CRITICAL_SECTION crit;
108 } file_crit;
109
110 MSVCRT_FILE MSVCRT__iob[_IOB_ENTRIES] = { { 0 } };
111 static file_crit* MSVCRT_fstream[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE];
112 static int MSVCRT_max_streams = 512, MSVCRT_stream_idx;
113
114 /* INTERNAL: process umask */
115 static int MSVCRT_umask = 0;
116
117 /* INTERNAL: static data for tmpnam and _wtmpname functions */
118 static int tmpnam_unique;
119
120 static const unsigned int EXE = 'e' << 16 | 'x' << 8 | 'e';
121 static const unsigned int BAT = 'b' << 16 | 'a' << 8 | 't';
122 static const unsigned int CMD = 'c' << 16 | 'm' << 8 | 'd';
123 static const unsigned int COM = 'c' << 16 | 'o' << 8 | 'm';
124
125 #define TOUL(x) (ULONGLONG)(x)
126 static const ULONGLONG WCEXE = TOUL('e') << 32 | TOUL('x') << 16 | TOUL('e');
127 static const ULONGLONG WCBAT = TOUL('b') << 32 | TOUL('a') << 16 | TOUL('t');
128 static const ULONGLONG WCCMD = TOUL('c') << 32 | TOUL('m') << 16 | TOUL('d');
129 static const ULONGLONG WCCOM = TOUL('c') << 32 | TOUL('o') << 16 | TOUL('m');
130
131 /* This critical section protects the tables MSVCRT___pioinfo and MSVCRT_fstreams,
132 * and their related indexes, MSVCRT_fdstart, MSVCRT_fdend,
133 * and MSVCRT_stream_idx, from race conditions.
134 * It doesn't protect against race conditions manipulating the underlying files
135 * or flags; doing so would probably be better accomplished with per-file
136 * protection, rather than locking the whole table for every change.
137 */
138 static CRITICAL_SECTION MSVCRT_file_cs;
139 static CRITICAL_SECTION_DEBUG MSVCRT_file_cs_debug =
140 {
141 0, 0, &MSVCRT_file_cs,
142 { &MSVCRT_file_cs_debug.ProcessLocksList, &MSVCRT_file_cs_debug.ProcessLocksList },
143 0, 0, { (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs") }
144 };
145 static CRITICAL_SECTION MSVCRT_file_cs = { &MSVCRT_file_cs_debug, -1, 0, 0, 0, 0 };
146 #define LOCK_FILES() do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)
147 #define UNLOCK_FILES() do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)
148
149 static void msvcrt_stat64_to_stat(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat *buf)
150 {
151 buf->st_dev = buf64->st_dev;
152 buf->st_ino = buf64->st_ino;
153 buf->st_mode = buf64->st_mode;
154 buf->st_nlink = buf64->st_nlink;
155 buf->st_uid = buf64->st_uid;
156 buf->st_gid = buf64->st_gid;
157 buf->st_rdev = buf64->st_rdev;
158 buf->st_size = buf64->st_size;
159 buf->st_atime = buf64->st_atime;
160 buf->st_mtime = buf64->st_mtime;
161 buf->st_ctime = buf64->st_ctime;
162 }
163
164 static void msvcrt_stat64_to_stati64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stati64 *buf)
165 {
166 buf->st_dev = buf64->st_dev;
167 buf->st_ino = buf64->st_ino;
168 buf->st_mode = buf64->st_mode;
169 buf->st_nlink = buf64->st_nlink;
170 buf->st_uid = buf64->st_uid;
171 buf->st_gid = buf64->st_gid;
172 buf->st_rdev = buf64->st_rdev;
173 buf->st_size = buf64->st_size;
174 buf->st_atime = buf64->st_atime;
175 buf->st_mtime = buf64->st_mtime;
176 buf->st_ctime = buf64->st_ctime;
177 }
178
179 static void time_to_filetime( MSVCRT___time64_t time, FILETIME *ft )
180 {
181 /* 1601 to 1970 is 369 years plus 89 leap days */
182 static const __int64 secs_1601_to_1970 = ((369 * 365 + 89) * (__int64)86400);
183
184 __int64 ticks = (time + secs_1601_to_1970) * 10000000;
185 ft->dwHighDateTime = ticks >> 32;
186 ft->dwLowDateTime = ticks;
187 }
188
189 static inline ioinfo* msvcrt_get_ioinfo(int fd)
190 {
191 ioinfo *ret = NULL;
192 if(fd < MSVCRT_MAX_FILES)
193 ret = MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE];
194 if(!ret)
195 return &MSVCRT___badioinfo;
196
197 return ret + (fd%MSVCRT_FD_BLOCK_SIZE);
198 }
199
200 static inline MSVCRT_FILE* msvcrt_get_file(int i)
201 {
202 file_crit *ret;
203
204 if(i >= MSVCRT_max_streams)
205 return NULL;
206
207 if(i < _IOB_ENTRIES)
208 return &MSVCRT__iob[i];
209
210 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE];
211 if(!ret) {
212 MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(file_crit));
213 if(!MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE]) {
214 ERR("out of memory\n");
215 *MSVCRT__errno() = MSVCRT_ENOMEM;
216 return NULL;
217 }
218
219 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] + (i%MSVCRT_FD_BLOCK_SIZE);
220 } else
221 ret += i%MSVCRT_FD_BLOCK_SIZE;
222
223 return &ret->file;
224 }
225
226 static inline BOOL msvcrt_is_valid_fd(int fd)
227 {
228 return fd >= 0 && fd < MSVCRT_fdend && (msvcrt_get_ioinfo(fd)->wxflag & WX_OPEN);
229 }
230
231 /* INTERNAL: Get the HANDLE for a fd
232 * This doesn't lock the table, because a failure will result in
233 * INVALID_HANDLE_VALUE being returned, which should be handled correctly. If
234 * it returns a valid handle which is about to be closed, a subsequent call
235 * will fail, most likely in a sane way.
236 */
237 static HANDLE msvcrt_fdtoh(int fd)
238 {
239 if (!msvcrt_is_valid_fd(fd))
240 {
241 WARN(":fd (%d) - no handle!\n",fd);
242 *MSVCRT___doserrno() = 0;
243 *MSVCRT__errno() = MSVCRT_EBADF;
244 return INVALID_HANDLE_VALUE;
245 }
246 if (msvcrt_get_ioinfo(fd)->handle == INVALID_HANDLE_VALUE)
247 WARN("returning INVALID_HANDLE_VALUE for %d\n", fd);
248 return msvcrt_get_ioinfo(fd)->handle;
249 }
250
251 /* INTERNAL: free a file entry fd */
252 static void msvcrt_free_fd(int fd)
253 {
254 HANDLE old_handle;
255 ioinfo *fdinfo;
256
257 LOCK_FILES();
258 fdinfo = msvcrt_get_ioinfo(fd);
259 old_handle = fdinfo->handle;
260 if(fdinfo != &MSVCRT___badioinfo)
261 {
262 fdinfo->handle = INVALID_HANDLE_VALUE;
263 fdinfo->wxflag = 0;
264 }
265 TRACE(":fd (%d) freed\n",fd);
266 if (fd < 3) /* don't use 0,1,2 for user files */
267 {
268 switch (fd)
269 {
270 case 0:
271 if (GetStdHandle(STD_INPUT_HANDLE) == old_handle) SetStdHandle(STD_INPUT_HANDLE, 0);
272 break;
273 case 1:
274 if (GetStdHandle(STD_OUTPUT_HANDLE) == old_handle) SetStdHandle(STD_OUTPUT_HANDLE, 0);
275 break;
276 case 2:
277 if (GetStdHandle(STD_ERROR_HANDLE) == old_handle) SetStdHandle(STD_ERROR_HANDLE, 0);
278 break;
279 }
280 }
281 else
282 {
283 if (fd == MSVCRT_fdend - 1)
284 MSVCRT_fdend--;
285 if (fd < MSVCRT_fdstart)
286 MSVCRT_fdstart = fd;
287 }
288 UNLOCK_FILES();
289 }
290
291 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */
292 /* caller must hold the files lock */
293 static int msvcrt_alloc_fd_from(HANDLE hand, int flag, int fd)
294 {
295 ioinfo *fdinfo;
296
297 if (fd >= MSVCRT_MAX_FILES)
298 {
299 WARN(":files exhausted!\n");
300 *MSVCRT__errno() = MSVCRT_ENFILE;
301 return -1;
302 }
303
304 fdinfo = msvcrt_get_ioinfo(fd);
305 if(fdinfo == &MSVCRT___badioinfo) {
306 int i;
307
308 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(ioinfo));
309 if(!MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE]) {
310 WARN(":out of memory!\n");
311 *MSVCRT__errno() = MSVCRT_ENOMEM;
312 return -1;
313 }
314
315 for(i=0; i<MSVCRT_FD_BLOCK_SIZE; i++)
316 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE][i].handle = INVALID_HANDLE_VALUE;
317
318 fdinfo = msvcrt_get_ioinfo(fd);
319 }
320
321 fdinfo->handle = hand;
322 fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT | WX_PIPE));
323 fdinfo->lookahead[0] = '\n';
324 fdinfo->lookahead[1] = '\n';
325 fdinfo->lookahead[2] = '\n';
326 fdinfo->exflag = 0;
327
328 /* locate next free slot */
329 if (fd == MSVCRT_fdstart && fd == MSVCRT_fdend)
330 MSVCRT_fdstart = MSVCRT_fdend + 1;
331 else
332 while (MSVCRT_fdstart < MSVCRT_fdend &&
333 msvcrt_get_ioinfo(MSVCRT_fdstart)->handle != INVALID_HANDLE_VALUE)
334 MSVCRT_fdstart++;
335 /* update last fd in use */
336 if (fd >= MSVCRT_fdend)
337 MSVCRT_fdend = fd + 1;
338 TRACE("fdstart is %d, fdend is %d\n", MSVCRT_fdstart, MSVCRT_fdend);
339
340 switch (fd)
341 {
342 case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
343 case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
344 case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
345 }
346
347 return fd;
348 }
349
350 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
351 static int msvcrt_alloc_fd(HANDLE hand, int flag)
352 {
353 int ret;
354
355 LOCK_FILES();
356 TRACE(":handle (%p) allocating fd (%d)\n",hand,MSVCRT_fdstart);
357 ret = msvcrt_alloc_fd_from(hand, flag, MSVCRT_fdstart);
358 UNLOCK_FILES();
359 return ret;
360 }
361
362 /* INTERNAL: Allocate a FILE* for an fd slot */
363 /* caller must hold the files lock */
364 static MSVCRT_FILE* msvcrt_alloc_fp(void)
365 {
366 unsigned int i;
367 MSVCRT_FILE *file;
368
369 for (i = 3; i < MSVCRT_max_streams; i++)
370 {
371 file = msvcrt_get_file(i);
372 if (!file)
373 return NULL;
374
375 if (file->_flag == 0)
376 {
377 if (i == MSVCRT_stream_idx)
378 {
379 if (file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
380 {
381 InitializeCriticalSection(&((file_crit*)file)->crit);
382 ((file_crit*)file)->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": file_crit.crit");
383 }
384 MSVCRT_stream_idx++;
385 }
386 return file;
387 }
388 }
389
390 return NULL;
391 }
392
393 /* INTERNAL: initialize a FILE* from an open fd */
394 static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags)
395 {
396 TRACE(":fd (%d) allocating FILE*\n",fd);
397 if (!msvcrt_is_valid_fd(fd))
398 {
399 WARN(":invalid fd %d\n",fd);
400 *MSVCRT___doserrno() = 0;
401 *MSVCRT__errno() = MSVCRT_EBADF;
402 return -1;
403 }
404 memset(file, 0, sizeof(*file));
405 file->_file = fd;
406 file->_flag = stream_flags;
407
408 TRACE(":got FILE* (%p)\n",file);
409 return 0;
410 }
411
412 /* INTERNAL: Create an inheritance data block (for spawned process)
413 * The inheritance block is made of:
414 * 00 int nb of file descriptor (NBFD)
415 * 04 char file flags (wxflag): repeated for each fd
416 * 4+NBFD HANDLE file handle: repeated for each fd
417 */
418 unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block)
419 {
420 int fd;
421 char* wxflag_ptr;
422 HANDLE* handle_ptr;
423 ioinfo* fdinfo;
424
425 *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
426 *block = MSVCRT_calloc(*size, 1);
427 if (!*block)
428 {
429 *size = 0;
430 return FALSE;
431 }
432 wxflag_ptr = (char*)*block + sizeof(unsigned);
433 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
434
435 *(unsigned*)*block = MSVCRT_fdend;
436 for (fd = 0; fd < MSVCRT_fdend; fd++)
437 {
438 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
439 fdinfo = msvcrt_get_ioinfo(fd);
440 if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
441 {
442 *wxflag_ptr = fdinfo->wxflag;
443 *handle_ptr = fdinfo->handle;
444 }
445 else
446 {
447 *wxflag_ptr = 0;
448 *handle_ptr = INVALID_HANDLE_VALUE;
449 }
450 wxflag_ptr++; handle_ptr++;
451 }
452 return TRUE;
453 }
454
455 /* INTERNAL: Set up all file descriptors,
456 * as well as default streams (stdin, stderr and stdout)
457 */
458 void msvcrt_init_io(void)
459 {
460 STARTUPINFOA si;
461 int i;
462 ioinfo *fdinfo;
463
464 GetStartupInfoA(&si);
465 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
466 {
467 BYTE* wxflag_ptr;
468 HANDLE* handle_ptr;
469 unsigned int count;
470
471 count = *(unsigned*)si.lpReserved2;
472 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
473 handle_ptr = (HANDLE*)(wxflag_ptr + count);
474
475 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
476 count = min(count, MSVCRT_MAX_FILES);
477 for (i = 0; i < count; i++)
478 {
479 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
480 msvcrt_alloc_fd_from(*handle_ptr, *wxflag_ptr, i);
481
482 wxflag_ptr++; handle_ptr++;
483 }
484 MSVCRT_fdend = max( 3, count );
485 for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
486 if (msvcrt_get_ioinfo(MSVCRT_fdstart)->handle == INVALID_HANDLE_VALUE) break;
487 }
488
489 if(!MSVCRT___pioinfo[0])
490 msvcrt_alloc_fd_from(INVALID_HANDLE_VALUE, 0, 3);
491
492 fdinfo = msvcrt_get_ioinfo(0);
493 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
494 {
495 HANDLE std = GetStdHandle(STD_INPUT_HANDLE);
496 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
497 GetCurrentProcess(), &fdinfo->handle,
498 0, TRUE, DUPLICATE_SAME_ACCESS))
499 fdinfo->wxflag = WX_OPEN | WX_TEXT;
500 fdinfo->lookahead[0] = '\n';
501 fdinfo->lookahead[1] = '\n';
502 fdinfo->lookahead[2] = '\n';
503 fdinfo->exflag = 0;
504 }
505
506 fdinfo = msvcrt_get_ioinfo(1);
507 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
508 {
509 HANDLE std = GetStdHandle(STD_OUTPUT_HANDLE);
510 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
511 GetCurrentProcess(), &fdinfo->handle,
512 0, TRUE, DUPLICATE_SAME_ACCESS))
513 fdinfo->wxflag = WX_OPEN | WX_TEXT;
514 fdinfo->lookahead[0] = '\n';
515 fdinfo->lookahead[1] = '\n';
516 fdinfo->lookahead[2] = '\n';
517 fdinfo->exflag = 0;
518 }
519
520 fdinfo = msvcrt_get_ioinfo(2);
521 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
522 {
523 HANDLE std = GetStdHandle(STD_ERROR_HANDLE);
524 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
525 GetCurrentProcess(), &fdinfo->handle,
526 0, TRUE, DUPLICATE_SAME_ACCESS))
527 fdinfo->wxflag = WX_OPEN | WX_TEXT;
528 fdinfo->lookahead[0] = '\n';
529 fdinfo->lookahead[1] = '\n';
530 fdinfo->lookahead[2] = '\n';
531 fdinfo->exflag = 0;
532 }
533
534 TRACE(":handles (%p)(%p)(%p)\n", msvcrt_get_ioinfo(0)->handle,
535 msvcrt_get_ioinfo(1)->handle, msvcrt_get_ioinfo(2)->handle);
536
537 memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
538 for (i = 0; i < 3; i++)
539 {
540 /* FILE structs for stdin/out/err are static and never deleted */
541 MSVCRT__iob[i]._file = i;
542 MSVCRT__iob[i]._tmpfname = NULL;
543 MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
544 }
545 MSVCRT_stream_idx = 3;
546 }
547
548 /* INTERNAL: Flush stdio file buffer */
549 static int msvcrt_flush_buffer(MSVCRT_FILE* file)
550 {
551 if(file->_bufsiz) {
552 int cnt=file->_ptr-file->_base;
553 if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) {
554 file->_flag |= MSVCRT__IOERR;
555 return MSVCRT_EOF;
556 }
557 file->_ptr=file->_base;
558 file->_cnt=file->_bufsiz;
559 }
560 return 0;
561 }
562
563 /* INTERNAL: Allocate stdio file buffer */
564 static void msvcrt_alloc_buffer(MSVCRT_FILE* file)
565 {
566 file->_base = MSVCRT_calloc(MSVCRT_BUFSIZ,1);
567 if(file->_base) {
568 file->_bufsiz = MSVCRT_BUFSIZ;
569 file->_flag |= MSVCRT__IOMYBUF;
570 } else {
571 file->_base = (char*)(&file->_charbuf);
572 /* put here 2 ??? */
573 file->_bufsiz = sizeof(file->_charbuf);
574 }
575 file->_ptr = file->_base;
576 file->_cnt = 0;
577 }
578
579 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
580 static int msvcrt_int_to_base32(int num, char *str)
581 {
582 char *p;
583 int n = num;
584 int digits = 0;
585
586 while (n != 0)
587 {
588 n >>= 5;
589 digits++;
590 }
591 p = str + digits;
592 *p = 0;
593 while (--p >= str)
594 {
595 *p = (num & 31) + '0';
596 if (*p > '9')
597 *p += ('a' - '0' - 10);
598 num >>= 5;
599 }
600
601 return digits;
602 }
603
604 /* INTERNAL: wide character version of msvcrt_int_to_base32 */
605 static int msvcrt_int_to_base32_w(int num, MSVCRT_wchar_t *str)
606 {
607 MSVCRT_wchar_t *p;
608 int n = num;
609 int digits = 0;
610
611 while (n != 0)
612 {
613 n >>= 5;
614 digits++;
615 }
616 p = str + digits;
617 *p = 0;
618 while (--p >= str)
619 {
620 *p = (num & 31) + '0';
621 if (*p > '9')
622 *p += ('a' - '0' - 10);
623 num >>= 5;
624 }
625
626 return digits;
627 }
628
629 /*********************************************************************
630 * __iob_func(MSVCRT.@)
631 */
632 MSVCRT_FILE * CDECL MSVCRT___iob_func(void)
633 {
634 return &MSVCRT__iob[0];
635 }
636
637 /*********************************************************************
638 * _access (MSVCRT.@)
639 */
640 int CDECL MSVCRT__access(const char *filename, int mode)
641 {
642 DWORD attr = GetFileAttributesA(filename);
643
644 TRACE("(%s,%d) %d\n",filename,mode,attr);
645
646 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
647 {
648 msvcrt_set_errno(GetLastError());
649 return -1;
650 }
651 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
652 {
653 msvcrt_set_errno(ERROR_ACCESS_DENIED);
654 return -1;
655 }
656 return 0;
657 }
658
659 /*********************************************************************
660 * _access_s (MSVCRT.@)
661 */
662 int CDECL _access_s(const char *filename, int mode)
663 {
664 if (!MSVCRT_CHECK_PMT(filename != NULL)) return -1;
665 if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return -1;
666
667 return MSVCRT__access(filename, mode);
668 }
669
670 /*********************************************************************
671 * _waccess (MSVCRT.@)
672 */
673 int CDECL MSVCRT__waccess(const MSVCRT_wchar_t *filename, int mode)
674 {
675 DWORD attr = GetFileAttributesW(filename);
676
677 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
678
679 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
680 {
681 msvcrt_set_errno(GetLastError());
682 return -1;
683 }
684 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
685 {
686 msvcrt_set_errno(ERROR_ACCESS_DENIED);
687 return -1;
688 }
689 return 0;
690 }
691
692 /*********************************************************************
693 * _waccess_s (MSVCRT.@)
694 */
695 int CDECL _waccess_s(const MSVCRT_wchar_t *filename, int mode)
696 {
697 if (!MSVCRT_CHECK_PMT(filename != NULL)) return -1;
698 if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return -1;
699
700 return MSVCRT__waccess(filename, mode);
701 }
702
703 /*********************************************************************
704 * _chmod (MSVCRT.@)
705 */
706 int CDECL MSVCRT__chmod(const char *path, int flags)
707 {
708 DWORD oldFlags = GetFileAttributesA(path);
709
710 if (oldFlags != INVALID_FILE_ATTRIBUTES)
711 {
712 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
713 oldFlags | FILE_ATTRIBUTE_READONLY;
714
715 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
716 return 0;
717 }
718 msvcrt_set_errno(GetLastError());
719 return -1;
720 }
721
722 /*********************************************************************
723 * _wchmod (MSVCRT.@)
724 */
725 int CDECL MSVCRT__wchmod(const MSVCRT_wchar_t *path, int flags)
726 {
727 DWORD oldFlags = GetFileAttributesW(path);
728
729 if (oldFlags != INVALID_FILE_ATTRIBUTES)
730 {
731 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
732 oldFlags | FILE_ATTRIBUTE_READONLY;
733
734 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
735 return 0;
736 }
737 msvcrt_set_errno(GetLastError());
738 return -1;
739 }
740
741 /*********************************************************************
742 * _unlink (MSVCRT.@)
743 */
744 int CDECL MSVCRT__unlink(const char *path)
745 {
746 TRACE("%s\n",debugstr_a(path));
747 if(DeleteFileA(path))
748 return 0;
749 TRACE("failed (%d)\n",GetLastError());
750 msvcrt_set_errno(GetLastError());
751 return -1;
752 }
753
754 /*********************************************************************
755 * _wunlink (MSVCRT.@)
756 */
757 int CDECL MSVCRT__wunlink(const MSVCRT_wchar_t *path)
758 {
759 TRACE("(%s)\n",debugstr_w(path));
760 if(DeleteFileW(path))
761 return 0;
762 TRACE("failed (%d)\n",GetLastError());
763 msvcrt_set_errno(GetLastError());
764 return -1;
765 }
766
767 /*********************************************************************
768 * _commit (MSVCRT.@)
769 */
770 int CDECL MSVCRT__commit(int fd)
771 {
772 HANDLE hand = msvcrt_fdtoh(fd);
773
774 TRACE(":fd (%d) handle (%p)\n",fd,hand);
775 if (hand == INVALID_HANDLE_VALUE)
776 return -1;
777
778 if (!FlushFileBuffers(hand))
779 {
780 if (GetLastError() == ERROR_INVALID_HANDLE)
781 {
782 /* FlushFileBuffers fails for console handles
783 * so we ignore this error.
784 */
785 return 0;
786 }
787 TRACE(":failed-last error (%d)\n",GetLastError());
788 msvcrt_set_errno(GetLastError());
789 return -1;
790 }
791 TRACE(":ok\n");
792 return 0;
793 }
794
795 /* flush_all_buffers calls MSVCRT_fflush which calls flush_all_buffers */
796 int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
797
798 /* INTERNAL: Flush all stream buffer */
799 static int msvcrt_flush_all_buffers(int mask)
800 {
801 int i, num_flushed = 0;
802 MSVCRT_FILE *file;
803
804 LOCK_FILES();
805 for (i = 3; i < MSVCRT_stream_idx; i++) {
806 file = msvcrt_get_file(i);
807
808 if (file->_flag)
809 {
810 if(file->_flag & mask) {
811 MSVCRT_fflush(file);
812 num_flushed++;
813 }
814 }
815 }
816 UNLOCK_FILES();
817
818 TRACE(":flushed (%d) handles\n",num_flushed);
819 return num_flushed;
820 }
821
822 /*********************************************************************
823 * _flushall (MSVCRT.@)
824 */
825 int CDECL MSVCRT__flushall(void)
826 {
827 return msvcrt_flush_all_buffers(MSVCRT__IOWRT | MSVCRT__IOREAD);
828 }
829
830 /*********************************************************************
831 * fflush (MSVCRT.@)
832 */
833 int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
834 {
835 if(!file) {
836 msvcrt_flush_all_buffers(MSVCRT__IOWRT);
837 } else if(file->_flag & MSVCRT__IOWRT) {
838 int res;
839
840 MSVCRT__lock_file(file);
841 res = msvcrt_flush_buffer(file);
842
843 if(!res && (file->_flag & MSVCRT__IOCOMMIT))
844 res = MSVCRT__commit(file->_file) ? MSVCRT_EOF : 0;
845 MSVCRT__unlock_file(file);
846
847 return res;
848 } else if(file->_flag & MSVCRT__IOREAD) {
849 MSVCRT__lock_file(file);
850 file->_cnt = 0;
851 file->_ptr = file->_base;
852 MSVCRT__unlock_file(file);
853
854 return 0;
855 }
856 return 0;
857 }
858
859 /*********************************************************************
860 * _close (MSVCRT.@)
861 */
862 int CDECL MSVCRT__close(int fd)
863 {
864 HANDLE hand;
865 int ret;
866
867 LOCK_FILES();
868 hand = msvcrt_fdtoh(fd);
869 TRACE(":fd (%d) handle (%p)\n",fd,hand);
870 if (!msvcrt_is_valid_fd(fd)) {
871 ret = -1;
872 } else {
873 msvcrt_free_fd(fd);
874 ret = CloseHandle(hand) ? 0 : -1;
875 if (ret) {
876 WARN(":failed-last error (%d)\n",GetLastError());
877 msvcrt_set_errno(GetLastError());
878 }
879 }
880 UNLOCK_FILES();
881 TRACE(":ok\n");
882 return ret;
883 }
884
885 /*********************************************************************
886 * _dup2 (MSVCRT.@)
887 * NOTES
888 * MSDN isn't clear on this point, but the remarks for _pipe
889 * indicate file descriptors duplicated with _dup and _dup2 are always
890 * inheritable.
891 */
892 int CDECL MSVCRT__dup2(int od, int nd)
893 {
894 int ret;
895
896 TRACE("(od=%d, nd=%d)\n", od, nd);
897 LOCK_FILES();
898 if (nd < MSVCRT_MAX_FILES && nd >= 0 && msvcrt_is_valid_fd(od))
899 {
900 HANDLE handle;
901
902 if (DuplicateHandle(GetCurrentProcess(), msvcrt_get_ioinfo(od)->handle,
903 GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
904 {
905 int wxflag = msvcrt_get_ioinfo(od)->wxflag & ~MSVCRT__O_NOINHERIT;
906
907 if (msvcrt_is_valid_fd(nd))
908 MSVCRT__close(nd);
909 ret = msvcrt_alloc_fd_from(handle, wxflag, nd);
910 if (ret == -1)
911 {
912 CloseHandle(handle);
913 *MSVCRT__errno() = MSVCRT_EMFILE;
914 }
915 else
916 {
917 /* _dup2 returns 0, not nd, on success */
918 ret = 0;
919 }
920 }
921 else
922 {
923 ret = -1;
924 msvcrt_set_errno(GetLastError());
925 }
926 }
927 else
928 {
929 *MSVCRT__errno() = MSVCRT_EBADF;
930 ret = -1;
931 }
932 UNLOCK_FILES();
933 return ret;
934 }
935
936 /*********************************************************************
937 * _dup (MSVCRT.@)
938 */
939 int CDECL MSVCRT__dup(int od)
940 {
941 int fd, ret;
942
943 LOCK_FILES();
944 fd = MSVCRT_fdstart;
945 if (MSVCRT__dup2(od, fd) == 0)
946 ret = fd;
947 else
948 ret = -1;
949 UNLOCK_FILES();
950 return ret;
951 }
952
953 /*********************************************************************
954 * _eof (MSVCRT.@)
955 */
956 int CDECL MSVCRT__eof(int fd)
957 {
958 DWORD curpos,endpos;
959 LONG hcurpos,hendpos;
960 HANDLE hand = msvcrt_fdtoh(fd);
961
962 TRACE(":fd (%d) handle (%p)\n",fd,hand);
963
964 if (hand == INVALID_HANDLE_VALUE)
965 return -1;
966
967 if (msvcrt_get_ioinfo(fd)->wxflag & WX_ATEOF) return TRUE;
968
969 /* Otherwise we do it the hard way */
970 hcurpos = hendpos = 0;
971 curpos = SetFilePointer(hand, 0, &hcurpos, FILE_CURRENT);
972 endpos = SetFilePointer(hand, 0, &hendpos, FILE_END);
973
974 if (curpos == endpos && hcurpos == hendpos)
975 {
976 /* FIXME: shouldn't WX_ATEOF be set here? */
977 return TRUE;
978 }
979
980 SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN);
981 return FALSE;
982 }
983
984 /*********************************************************************
985 * _fcloseall (MSVCRT.@)
986 */
987 int CDECL MSVCRT__fcloseall(void)
988 {
989 int num_closed = 0, i;
990 MSVCRT_FILE *file;
991
992 LOCK_FILES();
993 for (i = 3; i < MSVCRT_stream_idx; i++) {
994 file = msvcrt_get_file(i);
995
996 if (file->_flag && !MSVCRT_fclose(file))
997 num_closed++;
998 }
999 UNLOCK_FILES();
1000
1001 TRACE(":closed (%d) handles\n",num_closed);
1002 return num_closed;
1003 }
1004
1005 /* free everything on process exit */
1006 void msvcrt_free_io(void)
1007 {
1008 int i;
1009
1010 MSVCRT__fcloseall();
1011 /* The Win32 _fcloseall() function explicitly doesn't close stdin,
1012 * stdout, and stderr (unlike GNU), so we need to fclose() them here
1013 * or they won't get flushed.
1014 */
1015 MSVCRT_fclose(&MSVCRT__iob[0]);
1016 MSVCRT_fclose(&MSVCRT__iob[1]);
1017 MSVCRT_fclose(&MSVCRT__iob[2]);
1018
1019 for(i=0; i<sizeof(MSVCRT___pioinfo)/sizeof(MSVCRT___pioinfo[0]); i++)
1020 MSVCRT_free(MSVCRT___pioinfo[i]);
1021
1022 for(i=0; i<MSVCRT_stream_idx; i++)
1023 {
1024 MSVCRT_FILE *file = msvcrt_get_file(i);
1025 if(file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
1026 {
1027 ((file_crit*)file)->crit.DebugInfo->Spare[0] = 0;
1028 DeleteCriticalSection(&((file_crit*)file)->crit);
1029 }
1030 }
1031
1032 for(i=0; i<sizeof(MSVCRT_fstream)/sizeof(MSVCRT_fstream[0]); i++)
1033 MSVCRT_free(MSVCRT_fstream[i]);
1034
1035 DeleteCriticalSection(&MSVCRT_file_cs);
1036 }
1037
1038 /*********************************************************************
1039 * _lseeki64 (MSVCRT.@)
1040 */
1041 __int64 CDECL MSVCRT__lseeki64(int fd, __int64 offset, int whence)
1042 {
1043 HANDLE hand = msvcrt_fdtoh(fd);
1044 LARGE_INTEGER ofs;
1045
1046 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1047 if (hand == INVALID_HANDLE_VALUE)
1048 return -1;
1049
1050 if (whence < 0 || whence > 2)
1051 {
1052 *MSVCRT__errno() = MSVCRT_EINVAL;
1053 return -1;
1054 }
1055
1056 TRACE(":fd (%d) to %s pos %s\n",
1057 fd,wine_dbgstr_longlong(offset),
1058 (whence==SEEK_SET)?"SEEK_SET":
1059 (whence==SEEK_CUR)?"SEEK_CUR":
1060 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
1061
1062 /* The MoleBox protection scheme expects msvcrt to use SetFilePointer only,
1063 * so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */
1064 ofs.QuadPart = offset;
1065 if ((ofs.u.LowPart = SetFilePointer(hand, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER ||
1066 GetLastError() == ERROR_SUCCESS)
1067 {
1068 msvcrt_get_ioinfo(fd)->wxflag &= ~WX_ATEOF;
1069 /* FIXME: What if we seek _to_ EOF - is EOF set? */
1070
1071 return ofs.QuadPart;
1072 }
1073 TRACE(":error-last error (%d)\n",GetLastError());
1074 msvcrt_set_errno(GetLastError());
1075 return -1;
1076 }
1077
1078 /*********************************************************************
1079 * _lseek (MSVCRT.@)
1080 */
1081 LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence)
1082 {
1083 return MSVCRT__lseeki64(fd, offset, whence);
1084 }
1085
1086 /*********************************************************************
1087 * _lock_file (MSVCRT.@)
1088 */
1089 void CDECL MSVCRT__lock_file(MSVCRT_FILE *file)
1090 {
1091 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1092 _lock(_STREAM_LOCKS+(file-MSVCRT__iob));
1093 else
1094 EnterCriticalSection(&((file_crit*)file)->crit);
1095 }
1096
1097 /*********************************************************************
1098 * _unlock_file (MSVCRT.@)
1099 */
1100 void CDECL MSVCRT__unlock_file(MSVCRT_FILE *file)
1101 {
1102 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1103 _unlock(_STREAM_LOCKS+(file-MSVCRT__iob));
1104 else
1105 LeaveCriticalSection(&((file_crit*)file)->crit);
1106 }
1107
1108 /*********************************************************************
1109 * _locking (MSVCRT.@)
1110 *
1111 * This is untested; the underlying LockFile doesn't work yet.
1112 */
1113 int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes)
1114 {
1115 BOOL ret;
1116 DWORD cur_locn;
1117 HANDLE hand = msvcrt_fdtoh(fd);
1118
1119 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1120 if (hand == INVALID_HANDLE_VALUE)
1121 return -1;
1122
1123 if (mode < 0 || mode > 4)
1124 {
1125 *MSVCRT__errno() = MSVCRT_EINVAL;
1126 return -1;
1127 }
1128
1129 TRACE(":fd (%d) by 0x%08x mode %s\n",
1130 fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
1131 (mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
1132 (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
1133 (mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
1134 (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
1135 "UNKNOWN");
1136
1137 if ((cur_locn = SetFilePointer(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
1138 {
1139 FIXME ("Seek failed\n");
1140 *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
1141 return -1;
1142 }
1143 if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
1144 {
1145 int nretry = 10;
1146 ret = 1; /* just to satisfy gcc */
1147 while (nretry--)
1148 {
1149 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1150 if (ret) break;
1151 Sleep(1);
1152 }
1153 }
1154 else if (mode == MSVCRT__LK_UNLCK)
1155 ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L);
1156 else
1157 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1158 /* FIXME - what about error settings? */
1159 return ret ? 0 : -1;
1160 }
1161
1162 /*********************************************************************
1163 * _fseeki64 (MSVCRT.@)
1164 */
1165 int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence)
1166 {
1167 int ret;
1168
1169 MSVCRT__lock_file(file);
1170 /* Flush output if needed */
1171 if(file->_flag & MSVCRT__IOWRT)
1172 msvcrt_flush_buffer(file);
1173
1174 if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
1175 whence = SEEK_SET;
1176 offset += MSVCRT__ftelli64(file);
1177 }
1178
1179 /* Discard buffered input */
1180 file->_cnt = 0;
1181 file->_ptr = file->_base;
1182 /* Reset direction of i/o */
1183 if(file->_flag & MSVCRT__IORW) {
1184 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
1185 }
1186 /* Clear end of file flag */
1187 file->_flag &= ~MSVCRT__IOEOF;
1188 ret = (MSVCRT__lseeki64(file->_file,offset,whence) == -1)?-1:0;
1189
1190 MSVCRT__unlock_file(file);
1191 return ret;
1192 }
1193
1194 /*********************************************************************
1195 * fseek (MSVCRT.@)
1196 */
1197 int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
1198 {
1199 return MSVCRT__fseeki64( file, offset, whence );
1200 }
1201
1202 /*********************************************************************
1203 * _chsize (MSVCRT.@)
1204 */
1205 int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
1206 {
1207 LONG cur, pos;
1208 HANDLE handle;
1209 BOOL ret = FALSE;
1210
1211 TRACE("(fd=%d, size=%d)\n", fd, size);
1212
1213 LOCK_FILES();
1214
1215 handle = msvcrt_fdtoh(fd);
1216 if (handle != INVALID_HANDLE_VALUE)
1217 {
1218 /* save the current file pointer */
1219 cur = MSVCRT__lseek(fd, 0, SEEK_CUR);
1220 if (cur >= 0)
1221 {
1222 pos = MSVCRT__lseek(fd, size, SEEK_SET);
1223 if (pos >= 0)
1224 {
1225 ret = SetEndOfFile(handle);
1226 if (!ret) msvcrt_set_errno(GetLastError());
1227 }
1228
1229 /* restore the file pointer */
1230 MSVCRT__lseek(fd, cur, SEEK_SET);
1231 }
1232 }
1233
1234 UNLOCK_FILES();
1235 return ret ? 0 : -1;
1236 }
1237
1238 /*********************************************************************
1239 * clearerr (MSVCRT.@)
1240 */
1241 void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
1242 {
1243 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1244
1245 MSVCRT__lock_file(file);
1246 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
1247 MSVCRT__unlock_file(file);
1248 }
1249
1250 /*********************************************************************
1251 * rewind (MSVCRT.@)
1252 */
1253 void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
1254 {
1255 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1256
1257 MSVCRT__lock_file(file);
1258 MSVCRT_fseek(file, 0L, SEEK_SET);
1259 MSVCRT_clearerr(file);
1260 MSVCRT__unlock_file(file);
1261 }
1262
1263 static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags)
1264 {
1265 int plus = strchrW(mode, '+') != NULL;
1266
1267 TRACE("%s\n", debugstr_w(mode));
1268
1269 while(*mode == ' ') mode++;
1270
1271 switch(*mode++)
1272 {
1273 case 'R': case 'r':
1274 *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
1275 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
1276 break;
1277 case 'W': case 'w':
1278 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1279 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1280 break;
1281 case 'A': case 'a':
1282 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1283 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1284 break;
1285 default:
1286 MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
1287 return -1;
1288 }
1289
1290 *stream_flags |= MSVCRT__commode;
1291
1292 while (*mode && *mode!=',')
1293 switch (*mode++)
1294 {
1295 case 'B': case 'b':
1296 *open_flags |= MSVCRT__O_BINARY;
1297 *open_flags &= ~MSVCRT__O_TEXT;
1298 break;
1299 case 't':
1300 *open_flags |= MSVCRT__O_TEXT;
1301 *open_flags &= ~MSVCRT__O_BINARY;
1302 break;
1303 case 'D':
1304 *open_flags |= MSVCRT__O_TEMPORARY;
1305 break;
1306 case 'T':
1307 *open_flags |= MSVCRT__O_SHORT_LIVED;
1308 break;
1309 case 'c':
1310 *stream_flags |= MSVCRT__IOCOMMIT;
1311 break;
1312 case 'n':
1313 *stream_flags &= ~MSVCRT__IOCOMMIT;
1314 break;
1315 case '+':
1316 case ' ':
1317 case 'a':
1318 case 'w':
1319 break;
1320 default:
1321 MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
1322 return -1;
1323 }
1324
1325 if(*mode == ',')
1326 {
1327 static const WCHAR ccs[] = {'c','c','s'};
1328 static const WCHAR utf8[] = {'u','t','f','-','8'};
1329 static const WCHAR utf16le[] = {'u','t','f','-','1','6','l','e'};
1330 static const WCHAR unicode[] = {'u','n','i','c','o','d','e'};
1331
1332 mode++;
1333 while(*mode == ' ') mode++;
1334 if(!MSVCRT_CHECK_PMT(!strncmpW(ccs, mode, sizeof(ccs)/sizeof(ccs[0]))))
1335 return -1;
1336 mode += sizeof(ccs)/sizeof(ccs[0]);
1337 while(*mode == ' ') mode++;
1338 if(!MSVCRT_CHECK_PMT(*mode == '='))
1339 return -1;
1340 mode++;
1341 while(*mode == ' ') mode++;
1342
1343 if(!strncmpiW(utf8, mode, sizeof(utf8)/sizeof(utf8[0])))
1344 {
1345 *open_flags |= MSVCRT__O_U8TEXT;
1346 mode += sizeof(utf8)/sizeof(utf8[0]);
1347 }
1348 else if(!strncmpiW(utf16le, mode, sizeof(utf16le)/sizeof(utf16le[0])))
1349 {
1350 *open_flags |= MSVCRT__O_U16TEXT;
1351 mode += sizeof(utf16le)/sizeof(utf16le[0]);
1352 }
1353 else if(!strncmpiW(unicode, mode, sizeof(unicode)/sizeof(unicode[0])))
1354 {
1355 *open_flags |= MSVCRT__O_WTEXT;
1356 mode += sizeof(unicode)/sizeof(unicode[0]);
1357 }
1358 else
1359 {
1360 MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
1361 return -1;
1362 }
1363
1364 while(*mode == ' ') mode++;
1365 }
1366
1367 if(!MSVCRT_CHECK_PMT(*mode == 0))
1368 return -1;
1369 return 0;
1370 }
1371
1372 /*********************************************************************
1373 * _fdopen (MSVCRT.@)
1374 */
1375 MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode)
1376 {
1377 MSVCRT_FILE *ret;
1378 MSVCRT_wchar_t *modeW = NULL;
1379
1380 if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
1381
1382 ret = MSVCRT__wfdopen(fd, modeW);
1383
1384 MSVCRT_free(modeW);
1385 return ret;
1386 }
1387
1388 /*********************************************************************
1389 * _wfdopen (MSVCRT.@)
1390 */
1391 MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
1392 {
1393 int open_flags, stream_flags;
1394 MSVCRT_FILE* file;
1395
1396 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
1397
1398 LOCK_FILES();
1399 if (!(file = msvcrt_alloc_fp()))
1400 file = NULL;
1401 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
1402 {
1403 file->_flag = 0;
1404 file = NULL;
1405 }
1406 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
1407 UNLOCK_FILES();
1408
1409 return file;
1410 }
1411
1412 /*********************************************************************
1413 * _filelength (MSVCRT.@)
1414 */
1415 LONG CDECL MSVCRT__filelength(int fd)
1416 {
1417 LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR);
1418 if (curPos != -1)
1419 {
1420 LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END);
1421 if (endPos != -1)
1422 {
1423 if (endPos != curPos)
1424 MSVCRT__lseek(fd, curPos, SEEK_SET);
1425 return endPos;
1426 }
1427 }
1428 return -1;
1429 }
1430
1431 /*********************************************************************
1432 * _filelengthi64 (MSVCRT.@)
1433 */
1434 __int64 CDECL MSVCRT__filelengthi64(int fd)
1435 {
1436 __int64 curPos = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1437 if (curPos != -1)
1438 {
1439 __int64 endPos = MSVCRT__lseeki64(fd, 0, SEEK_END);
1440 if (endPos != -1)
1441 {
1442 if (endPos != curPos)
1443 MSVCRT__lseeki64(fd, curPos, SEEK_SET);
1444 return endPos;
1445 }
1446 }
1447 return -1;
1448 }
1449
1450 /*********************************************************************
1451 * _fileno (MSVCRT.@)
1452 */
1453 int CDECL MSVCRT__fileno(MSVCRT_FILE* file)
1454 {
1455 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
1456 return file->_file;
1457 }
1458
1459 /*********************************************************************
1460 * _fstat64 (MSVCRT.@)
1461 */
1462 int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf)
1463 {
1464 DWORD dw;
1465 DWORD type;
1466 BY_HANDLE_FILE_INFORMATION hfi;
1467 HANDLE hand = msvcrt_fdtoh(fd);
1468
1469 TRACE(":fd (%d) stat (%p)\n",fd,buf);
1470 if (hand == INVALID_HANDLE_VALUE)
1471 return -1;
1472
1473 if (!buf)
1474 {
1475 WARN(":failed-NULL buf\n");
1476 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1477 return -1;
1478 }
1479
1480 memset(&hfi, 0, sizeof(hfi));
1481 memset(buf, 0, sizeof(struct MSVCRT__stat64));
1482 type = GetFileType(hand);
1483 if (type == FILE_TYPE_PIPE)
1484 {
1485 buf->st_dev = buf->st_rdev = fd;
1486 buf->st_mode = S_IFIFO;
1487 buf->st_nlink = 1;
1488 }
1489 else if (type == FILE_TYPE_CHAR)
1490 {
1491 buf->st_dev = buf->st_rdev = fd;
1492 buf->st_mode = S_IFCHR;
1493 buf->st_nlink = 1;
1494 }
1495 else /* FILE_TYPE_DISK etc. */
1496 {
1497 if (!GetFileInformationByHandle(hand, &hfi))
1498 {
1499 WARN(":failed-last error (%d)\n",GetLastError());
1500 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1501 return -1;
1502 }
1503 buf->st_mode = S_IFREG | 0444;
1504 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1505 buf->st_mode |= 0222;
1506 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1507 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1508 buf->st_atime = dw;
1509 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1510 buf->st_mtime = buf->st_ctime = dw;
1511 buf->st_nlink = hfi.nNumberOfLinks;
1512 }
1513 TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
1514 buf->st_mode);
1515 return 0;
1516 }
1517
1518 /*********************************************************************
1519 * _fstati64 (MSVCRT.@)
1520 */
1521 int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
1522 {
1523 int ret;
1524 struct MSVCRT__stat64 buf64;
1525
1526 ret = MSVCRT__fstat64(fd, &buf64);
1527 if (!ret)
1528 msvcrt_stat64_to_stati64(&buf64, buf);
1529 return ret;
1530 }
1531
1532 /*********************************************************************
1533 * _fstat (MSVCRT.@)
1534 */
1535 int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
1536 { int ret;
1537 struct MSVCRT__stat64 buf64;
1538
1539 ret = MSVCRT__fstat64(fd, &buf64);
1540 if (!ret)
1541 msvcrt_stat64_to_stat(&buf64, buf);
1542 return ret;
1543 }
1544
1545 /*********************************************************************
1546 * _futime64 (MSVCRT.@)
1547 */
1548 int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t)
1549 {
1550 HANDLE hand = msvcrt_fdtoh(fd);
1551 FILETIME at, wt;
1552
1553 if (!t)
1554 {
1555 time_to_filetime( MSVCRT__time64(NULL), &at );
1556 wt = at;
1557 }
1558 else
1559 {
1560 time_to_filetime( t->actime, &at );
1561 time_to_filetime( t->modtime, &wt );
1562 }
1563
1564 if (!SetFileTime(hand, NULL, &at, &wt))
1565 {
1566 msvcrt_set_errno(GetLastError());
1567 return -1 ;
1568 }
1569 return 0;
1570 }
1571
1572 /*********************************************************************
1573 * _futime32 (MSVCRT.@)
1574 */
1575 int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t)
1576 {
1577 if (t)
1578 {
1579 struct MSVCRT___utimbuf64 t64;
1580 t64.actime = t->actime;
1581 t64.modtime = t->modtime;
1582 return _futime64( fd, &t64 );
1583 }
1584 else
1585 return _futime64( fd, NULL );
1586 }
1587
1588 /*********************************************************************
1589 * _futime (MSVCRT.@)
1590 */
1591 #ifdef _WIN64
1592 int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t)
1593 {
1594 return _futime64( fd, t );
1595 }
1596 #else
1597 int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t)
1598 {
1599 return _futime32( fd, t );
1600 }
1601 #endif
1602
1603 /*********************************************************************
1604 * _get_osfhandle (MSVCRT.@)
1605 */
1606 MSVCRT_intptr_t CDECL MSVCRT__get_osfhandle(int fd)
1607 {
1608 HANDLE hand = msvcrt_fdtoh(fd);
1609 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1610
1611 return (MSVCRT_intptr_t)hand;
1612 }
1613
1614 /*********************************************************************
1615 * _isatty (MSVCRT.@)
1616 */
1617 int CDECL MSVCRT__isatty(int fd)
1618 {
1619 HANDLE hand = msvcrt_fdtoh(fd);
1620
1621 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1622 if (hand == INVALID_HANDLE_VALUE)
1623 return 0;
1624
1625 return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
1626 }
1627
1628 /*********************************************************************
1629 * _mktemp (MSVCRT.@)
1630 */
1631 char * CDECL MSVCRT__mktemp(char *pattern)
1632 {
1633 int numX = 0;
1634 char *retVal = pattern;
1635 int id;
1636 char letter = 'a';
1637
1638 while(*pattern)
1639 numX = (*pattern++ == 'X')? numX + 1 : 0;
1640 if (numX < 5)
1641 return NULL;
1642 pattern--;
1643 id = GetCurrentProcessId();
1644 numX = 6;
1645 while(numX--)
1646 {
1647 int tempNum = id / 10;
1648 *pattern-- = id - (tempNum * 10) + '0';
1649 id = tempNum;
1650 }
1651 pattern++;
1652 do
1653 {
1654 *pattern = letter++;
1655 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES &&
1656 GetLastError() == ERROR_FILE_NOT_FOUND)
1657 return retVal;
1658 } while(letter <= 'z');
1659 return NULL;
1660 }
1661
1662 /*********************************************************************
1663 * _wmktemp (MSVCRT.@)
1664 */
1665 MSVCRT_wchar_t * CDECL MSVCRT__wmktemp(MSVCRT_wchar_t *pattern)
1666 {
1667 int numX = 0;
1668 MSVCRT_wchar_t *retVal = pattern;
1669 int id;
1670 MSVCRT_wchar_t letter = 'a';
1671
1672 while(*pattern)
1673 numX = (*pattern++ == 'X')? numX + 1 : 0;
1674 if (numX < 5)
1675 return NULL;
1676 pattern--;
1677 id = GetCurrentProcessId();
1678 numX = 6;
1679 while(numX--)
1680 {
1681 int tempNum = id / 10;
1682 *pattern-- = id - (tempNum * 10) + '0';
1683 id = tempNum;
1684 }
1685 pattern++;
1686 do
1687 {
1688 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES &&
1689 GetLastError() == ERROR_FILE_NOT_FOUND)
1690 return retVal;
1691 *pattern = letter++;
1692 } while(letter != '|');
1693 return NULL;
1694 }
1695
1696 static unsigned split_oflags(unsigned oflags)
1697 {
1698 int wxflags = 0;
1699 unsigned unsupp; /* until we support everything */
1700
1701 if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
1702 if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */}
1703 else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
1704 else if (oflags & MSVCRT__O_WTEXT) wxflags |= WX_TEXT;
1705 else if (oflags & MSVCRT__O_U16TEXT) wxflags |= WX_TEXT;
1706 else if (oflags & MSVCRT__O_U8TEXT) wxflags |= WX_TEXT;
1707 else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */}
1708 else wxflags |= WX_TEXT; /* default to TEXT*/
1709 if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1710
1711 if ((unsupp = oflags & ~(
1712 MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|
1713 MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT|
1714 MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY|
1715 MSVCRT__O_NOINHERIT|
1716 MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED|
1717 MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT
1718 )))
1719 ERR(":unsupported oflags 0x%04x\n",unsupp);
1720
1721 return wxflags;
1722 }
1723
1724 /*********************************************************************
1725 * _pipe (MSVCRT.@)
1726 */
1727 int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode)
1728 {
1729 int ret = -1;
1730 SECURITY_ATTRIBUTES sa;
1731 HANDLE readHandle, writeHandle;
1732
1733 if (!pfds)
1734 {
1735 *MSVCRT__errno() = MSVCRT_EINVAL;
1736 return -1;
1737 }
1738
1739 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
1740 sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT);
1741 sa.lpSecurityDescriptor = NULL;
1742 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
1743 {
1744 unsigned int wxflags = split_oflags(textmode);
1745 int fd;
1746
1747 LOCK_FILES();
1748 fd = msvcrt_alloc_fd(readHandle, wxflags|WX_PIPE);
1749 if (fd != -1)
1750 {
1751 pfds[0] = fd;
1752 fd = msvcrt_alloc_fd(writeHandle, wxflags|WX_PIPE);
1753 if (fd != -1)
1754 {
1755 pfds[1] = fd;
1756 ret = 0;
1757 }
1758 else
1759 {
1760 MSVCRT__close(pfds[0]);
1761 CloseHandle(writeHandle);
1762 *MSVCRT__errno() = MSVCRT_EMFILE;
1763 }
1764 }
1765 else
1766 {
1767 CloseHandle(readHandle);
1768 CloseHandle(writeHandle);
1769 *MSVCRT__errno() = MSVCRT_EMFILE;
1770 }
1771 UNLOCK_FILES();
1772 }
1773 else
1774 msvcrt_set_errno(GetLastError());
1775
1776 return ret;
1777 }
1778
1779 static int check_bom(HANDLE h, int oflags, BOOL seek)
1780 {
1781 char bom[sizeof(utf8_bom)];
1782 DWORD r;
1783
1784 oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT);
1785
1786 if (!ReadFile(h, bom, sizeof(utf8_bom), &r, NULL))
1787 return oflags;
1788
1789 if (r==sizeof(utf8_bom) && !memcmp(bom, utf8_bom, sizeof(utf8_bom))) {
1790 oflags |= MSVCRT__O_U8TEXT;
1791 }else if (r>=sizeof(utf16_bom) && !memcmp(bom, utf16_bom, sizeof(utf16_bom))) {
1792 if (seek && r>2)
1793 SetFilePointer(h, 2, NULL, FILE_BEGIN);
1794 oflags |= MSVCRT__O_U16TEXT;
1795 }else if (seek) {
1796 SetFilePointer(h, 0, NULL, FILE_BEGIN);
1797 }
1798
1799 return oflags;
1800 }
1801
1802 /*********************************************************************
1803 * _wsopen_s (MSVCRT.@)
1804 */
1805 int CDECL MSVCRT__wsopen_s( int *fd, const MSVCRT_wchar_t* path, int oflags, int shflags, int pmode )
1806 {
1807 DWORD access = 0, creation = 0, attrib;
1808 SECURITY_ATTRIBUTES sa;
1809 DWORD sharing;
1810 int wxflag;
1811 HANDLE hand;
1812
1813 TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1814 fd, debugstr_w(path), oflags, shflags, pmode);
1815
1816 if (!MSVCRT_CHECK_PMT( fd != NULL )) return MSVCRT_EINVAL;
1817
1818 *fd = -1;
1819 wxflag = split_oflags(oflags);
1820 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1821 {
1822 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1823 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1824 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1825 }
1826
1827 if (oflags & MSVCRT__O_CREAT)
1828 {
1829 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1830 FIXME(": pmode 0x%04x ignored\n", pmode);
1831 else
1832 WARN(": pmode 0x%04x ignored\n", pmode);
1833
1834 if (oflags & MSVCRT__O_EXCL)
1835 creation = CREATE_NEW;
1836 else if (oflags & MSVCRT__O_TRUNC)
1837 creation = CREATE_ALWAYS;
1838 else
1839 creation = OPEN_ALWAYS;
1840 }
1841 else /* no MSVCRT__O_CREAT */
1842 {
1843 if (oflags & MSVCRT__O_TRUNC)
1844 creation = TRUNCATE_EXISTING;
1845 else
1846 creation = OPEN_EXISTING;
1847 }
1848
1849 switch( shflags )
1850 {
1851 case MSVCRT__SH_DENYRW:
1852 sharing = 0L;
1853 break;
1854 case MSVCRT__SH_DENYWR:
1855 sharing = FILE_SHARE_READ;
1856 break;
1857 case MSVCRT__SH_DENYRD:
1858 sharing = FILE_SHARE_WRITE;
1859 break;
1860 case MSVCRT__SH_DENYNO:
1861 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1862 break;
1863 default:
1864 ERR( "Unhandled shflags 0x%x\n", shflags );
1865 return MSVCRT_EINVAL;
1866 }
1867 attrib = FILE_ATTRIBUTE_NORMAL;
1868
1869 if (oflags & MSVCRT__O_TEMPORARY)
1870 {
1871 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1872 access |= DELETE;
1873 sharing |= FILE_SHARE_DELETE;
1874 }
1875
1876 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1877 sa.lpSecurityDescriptor = NULL;
1878 sa.bInheritHandle = !(oflags & MSVCRT__O_NOINHERIT);
1879
1880 if ((oflags&(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT))
1881 && (creation==OPEN_ALWAYS || creation==OPEN_EXISTING)
1882 && !(access&GENERIC_READ))
1883 {
1884 hand = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
1885 &sa, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
1886 if (hand != INVALID_HANDLE_VALUE)
1887 {
1888 oflags = check_bom(hand, oflags, FALSE);
1889 CloseHandle(hand);
1890 }
1891 else
1892 oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT);
1893 }
1894
1895 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
1896 if (hand == INVALID_HANDLE_VALUE) {
1897 WARN(":failed-last error (%d)\n",GetLastError());
1898 msvcrt_set_errno(GetLastError());
1899 return *MSVCRT__errno();
1900 }
1901
1902 if (oflags & (MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT))
1903 {
1904 if ((access & GENERIC_WRITE) && (creation==CREATE_NEW
1905 || creation==CREATE_ALWAYS || creation==TRUNCATE_EXISTING
1906 || (creation==OPEN_ALWAYS && GetLastError()==ERROR_ALREADY_EXISTS)))
1907 {
1908 if (oflags & MSVCRT__O_U8TEXT)
1909 {
1910 DWORD written = 0, tmp;
1911
1912 while(written!=sizeof(utf8_bom) && WriteFile(hand, (char*)utf8_bom+written,
1913 sizeof(utf8_bom)-written, &tmp, NULL))
1914 written += tmp;
1915 if (written != sizeof(utf8_bom)) {
1916 WARN("error writting BOM\n");
1917 CloseHandle(hand);
1918 msvcrt_set_errno(GetLastError());
1919 return *MSVCRT__errno();
1920 }
1921 }
1922 else
1923 {
1924 DWORD written = 0, tmp;
1925
1926 while(written!=sizeof(utf16_bom) && WriteFile(hand, (char*)utf16_bom+written,
1927 sizeof(utf16_bom)-written, &tmp, NULL))
1928 written += tmp;
1929 if (written != sizeof(utf16_bom))
1930 {
1931 WARN("error writting BOM\n");
1932 CloseHandle(hand);
1933 msvcrt_set_errno(GetLastError());
1934 return *MSVCRT__errno();
1935 }
1936 }
1937 }
1938 else if (access & GENERIC_READ)
1939 oflags = check_bom(hand, oflags, TRUE);
1940 }
1941
1942 *fd = msvcrt_alloc_fd(hand, wxflag);
1943 if (*fd == -1)
1944 return *MSVCRT__errno();
1945
1946 if (oflags & MSVCRT__O_WTEXT)
1947 msvcrt_get_ioinfo(*fd)->exflag |= EF_UTF16|EF_UNK_UNICODE;
1948 else if (oflags & MSVCRT__O_U16TEXT)
1949 msvcrt_get_ioinfo(*fd)->exflag |= EF_UTF16;
1950 else if (oflags & MSVCRT__O_U8TEXT)
1951 msvcrt_get_ioinfo(*fd)->exflag |= EF_UTF8;
1952
1953 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
1954 return 0;
1955 }
1956
1957 /*********************************************************************
1958 * _wsopen (MSVCRT.@)
1959 */
1960 int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t *path, int oflags, int shflags, ... )
1961 {
1962 int pmode;
1963 int fd;
1964
1965 if (oflags & MSVCRT__O_CREAT)
1966 {
1967 __ms_va_list ap;
1968
1969 __ms_va_start(ap, shflags);
1970 pmode = va_arg(ap, int);
1971 __ms_va_end(ap);
1972 }
1973 else
1974 pmode = 0;
1975
1976 MSVCRT__wsopen_s(&fd, path, oflags, shflags, pmode);
1977 return fd;
1978 }
1979
1980 /*********************************************************************
1981 * _sopen_s (MSVCRT.@)
1982 */
1983 int CDECL MSVCRT__sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode )
1984 {
1985 MSVCRT_wchar_t *pathW;
1986 int ret;
1987
1988 if(!MSVCRT_CHECK_PMT(path && (pathW = msvcrt_wstrdupa(path))))
1989 return MSVCRT_EINVAL;
1990
1991 ret = MSVCRT__wsopen_s(fd, pathW, oflags, shflags, pmode);
1992 MSVCRT_free(pathW);
1993 return ret;
1994 }
1995
1996 /*********************************************************************
1997 * _sopen (MSVCRT.@)
1998 */
1999 int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
2000 {
2001 int pmode;
2002 int fd;
2003
2004 if (oflags & MSVCRT__O_CREAT)
2005 {
2006 __ms_va_list ap;
2007
2008 __ms_va_start(ap, shflags);
2009 pmode = va_arg(ap, int);
2010 __ms_va_end(ap);
2011 }
2012 else
2013 pmode = 0;
2014
2015 MSVCRT__sopen_s(&fd, path, oflags, shflags, pmode);
2016 return fd;
2017 }
2018
2019 /*********************************************************************
2020 * _open (MSVCRT.@)
2021 */
2022 int CDECL MSVCRT__open( const char *path, int flags, ... )
2023 {
2024 __ms_va_list ap;
2025
2026 if (flags & MSVCRT__O_CREAT)
2027 {
2028 int pmode;
2029 __ms_va_start(ap, flags);
2030 pmode = va_arg(ap, int);
2031 __ms_va_end(ap);
2032 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
2033 }
2034 else
2035 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
2036 }
2037
2038 /*********************************************************************
2039 * _wopen (MSVCRT.@)
2040 */
2041 int CDECL MSVCRT__wopen(const MSVCRT_wchar_t *path,int flags,...)
2042 {
2043 __ms_va_list ap;
2044
2045 if (flags & MSVCRT__O_CREAT)
2046 {
2047 int pmode;
2048 __ms_va_start(ap, flags);
2049 pmode = va_arg(ap, int);
2050 __ms_va_end(ap);
2051 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode );
2052 }
2053 else
2054 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO);
2055 }
2056
2057 /*********************************************************************
2058 * _creat (MSVCRT.@)
2059 */
2060 int CDECL MSVCRT__creat(const char *path, int flags)
2061 {
2062 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
2063 return MSVCRT__open(path, usedFlags);
2064 }
2065
2066 /*********************************************************************
2067 * _wcreat (MSVCRT.@)
2068 */
2069 int CDECL MSVCRT__wcreat(const MSVCRT_wchar_t *path, int flags)
2070 {
2071 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
2072 return MSVCRT__wopen(path, usedFlags);
2073 }
2074
2075 /*********************************************************************
2076 * _open_osfhandle (MSVCRT.@)
2077 */
2078 int CDECL MSVCRT__open_osfhandle(MSVCRT_intptr_t handle, int oflags)
2079 {
2080 int fd;
2081
2082 /* MSVCRT__O_RDONLY (0) always matches, so set the read flag
2083 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
2084 * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
2085 * text - it never sets MSVCRT__O_BINARY.
2086 */
2087 /* don't let split_oflags() decide the mode if no mode is passed */
2088 if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)))
2089 oflags |= MSVCRT__O_BINARY;
2090
2091 fd = msvcrt_alloc_fd((HANDLE)handle, split_oflags(oflags));
2092 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, oflags);
2093 return fd;
2094 }
2095
2096 /*********************************************************************
2097 * _rmtmp (MSVCRT.@)
2098 */
2099 int CDECL MSVCRT__rmtmp(void)
2100 {
2101 int num_removed = 0, i;
2102 MSVCRT_FILE *file;
2103
2104 LOCK_FILES();
2105 for (i = 3; i < MSVCRT_stream_idx; i++) {
2106 file = msvcrt_get_file(i);
2107
2108 if (file->_tmpfname)
2109 {
2110 MSVCRT_fclose(file);
2111 num_removed++;
2112 }
2113 }
2114 UNLOCK_FILES();
2115
2116 if (num_removed)
2117 TRACE(":removed (%d) temp files\n",num_removed);
2118 return num_removed;
2119 }
2120
2121 static inline int get_utf8_char_len(char ch)
2122 {
2123 if((ch&0xf8) == 0xf0)
2124 return 4;
2125 else if((ch&0xf0) == 0xe0)
2126 return 3;
2127 else if((ch&0xe0) == 0xc0)
2128 return 2;
2129 return 1;
2130 }
2131
2132 /*********************************************************************
2133 * (internal) read_utf8
2134 */
2135 static int read_utf8(int fd, MSVCRT_wchar_t *buf, unsigned int count)
2136 {
2137 ioinfo *fdinfo = msvcrt_get_ioinfo(fd);
2138 HANDLE hand = fdinfo->handle;
2139 char min_buf[4], *readbuf, lookahead;
2140 DWORD readbuf_size, pos=0, num_read=1, char_len, i, j;
2141
2142 /* make the buffer big enough to hold at least one character */
2143 /* read bytes have to fit to output and lookahead buffers */
2144 count /= 2;
2145 readbuf_size = count < 4 ? 4 : count;
2146 if(readbuf_size<=4 || !(readbuf = MSVCRT_malloc(readbuf_size))) {
2147 readbuf_size = 4;
2148 readbuf = min_buf;
2149 }
2150
2151 if(fdinfo->lookahead[0] != '\n') {
2152 readbuf[pos++] = fdinfo->lookahead[0];
2153 fdinfo->lookahead[0] = '\n';
2154
2155 if(fdinfo->lookahead[1] != '\n') {
2156 readbuf[pos++] = fdinfo->lookahead[1];
2157 fdinfo->lookahead[1] = '\n';
2158
2159 if(fdinfo->lookahead[2] != '\n') {
2160 readbuf[pos++] = fdinfo->lookahead[2];
2161 fdinfo->lookahead[2] = '\n';
2162 }
2163 }
2164 }
2165
2166 /* NOTE: this case is broken in native dll, reading
2167 * sometimes fails when small buffer is passed
2168 */
2169 if(count < 4) {
2170 if(!pos && !ReadFile(hand, readbuf, 1, &num_read, NULL)) {
2171 if (GetLastError() == ERROR_BROKEN_PIPE) {
2172 fdinfo->wxflag |= WX_ATEOF;
2173 return 0;
2174 }else {
2175 msvcrt_set_errno(GetLastError());
2176 return -1;
2177 }
2178 }else if(!num_read) {
2179 fdinfo->wxflag |= WX_ATEOF;
2180 return 0;
2181 }else {
2182 pos++;
2183 }
2184
2185 char_len = get_utf8_char_len(readbuf[0]);
2186 if(char_len>pos) {
2187 if(ReadFile(hand, readbuf+pos, char_len-pos, &num_read, NULL))
2188 pos += num_read;
2189 }
2190
2191 if(readbuf[0] == '\n')
2192 fdinfo->wxflag |= WX_READNL;
2193 else
2194 fdinfo->wxflag &= ~WX_READNL;
2195
2196 if(readbuf[0] == 0x1a) {
2197 fdinfo->wxflag |= WX_ATEOF;
2198 return 0;
2199 }
2200
2201 if(readbuf[0] == '\r') {
2202 if(!ReadFile(hand, &lookahead, 1, &num_read, NULL) || num_read!=1)
2203 buf[0] = '\r';
2204 else if(lookahead == '\n')
2205 buf[0] = '\n';
2206 else {
2207 buf[0] = '\r';
2208 if(fdinfo->wxflag & WX_PIPE)
2209 fdinfo->lookahead[0] = lookahead;
2210 else
2211 SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
2212 }
2213 return 2;
2214 }
2215
2216 if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
2217 msvcrt_set_errno(GetLastError());
2218 return -1;
2219 }
2220
2221 return num_read*2;
2222 }
2223
2224 if(!ReadFile(hand, readbuf+pos, readbuf_size-pos, &num_read, NULL)) {
2225 if(pos) {
2226 num_read = 0;
2227 }else if(GetLastError() == ERROR_BROKEN_PIPE) {
2228 fdinfo->wxflag |= WX_ATEOF;
2229 if (readbuf != min_buf) MSVCRT_free(readbuf);
2230 return 0;
2231 }else {
2232 msvcrt_set_errno(GetLastError());
2233 if (readbuf != min_buf) MSVCRT_free(readbuf);
2234 return -1;
2235 }
2236 }else if(!pos && !num_read) {
2237 fdinfo->wxflag |= WX_ATEOF;
2238 if (readbuf != min_buf) MSVCRT_free(readbuf);
2239 return 0;
2240 }
2241
2242 pos += num_read;
2243 if(readbuf[0] == '\n')
2244 fdinfo->wxflag |= WX_READNL;
2245 else
2246 fdinfo->wxflag &= ~WX_READNL;
2247
2248 /* Find first byte of last character (may be incomplete) */
2249 for(i=pos-1; i>0 && i>pos-4; i--)
2250 if((readbuf[i]&0xc0) != 0x80)
2251 break;
2252 char_len = get_utf8_char_len(readbuf[i]);
2253 if(char_len+i <= pos)
2254 i += char_len;
2255
2256 if(fdinfo->wxflag & WX_PIPE) {
2257 if(i < pos)
2258 fdinfo->lookahead[0] = readbuf[i];
2259 if(i+1 < pos)
2260 fdinfo->lookahead[1] = readbuf[i+1];
2261 if(i+2 < pos)
2262 fdinfo->lookahead[2] = readbuf[i+2];
2263 }else if(i < pos) {
2264 SetFilePointer(fdinfo->handle, i-pos, NULL, FILE_CURRENT);
2265 }
2266 pos = i;
2267
2268 for(i=0, j=0; i<pos; i++) {
2269 if(readbuf[i] == 0x1a) {
2270 fdinfo->wxflag |= WX_ATEOF;
2271 break;
2272 }
2273
2274 /* strip '\r' if followed by '\n' */
2275 if(readbuf[i] == '\r' && i+1==pos) {
2276 if(fdinfo->lookahead[0] != '\n' || !ReadFile(hand, &lookahead, 1, &num_read, NULL) || !num_read) {
2277 readbuf[j++] = '\r';
2278 }else if(lookahead == '\n' && j==0) {
2279 readbuf[j++] = '\n';
2280 }else {
2281 if(lookahead != '\n')
2282 readbuf[j++] = '\r';
2283
2284 if(fdinfo->wxflag & WX_PIPE)
2285 fdinfo->lookahead[0] = lookahead;
2286 else
2287 SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
2288 }
2289 }else if(readbuf[i]!='\r' || readbuf[i+1]!='\n') {
2290 readbuf[j++] = readbuf[i];
2291 }
2292 }
2293 pos = j;
2294
2295 if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
2296 msvcrt_set_errno(GetLastError());
2297 if (readbuf != min_buf) MSVCRT_free(readbuf);
2298 return -1;
2299 }
2300
2301 if (readbuf != min_buf) MSVCRT_free(readbuf);
2302 return num_read*2;
2303 }
2304
2305 /*********************************************************************
2306 * (internal) read_i
2307 *
2308 * When reading \r as last character in text mode, read() positions
2309 * the file pointer on the \r character while getc() goes on to
2310 * the following \n
2311 */
2312 static int read_i(int fd, void *buf, unsigned int count)
2313 {
2314 DWORD num_read, utf16;
2315 char *bufstart = buf;
2316 HANDLE hand = msvcrt_fdtoh(fd);
2317 ioinfo *fdinfo = msvcrt_get_ioinfo(fd);
2318
2319 if (count == 0)
2320 return 0;
2321
2322 if (fdinfo->wxflag & WX_ATEOF) {
2323 TRACE("already at EOF, returning 0\n");
2324 return 0;
2325 }
2326 /* Don't trace small reads, it gets *very* annoying */
2327 if (count > 4)
2328 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
2329 if (hand == INVALID_HANDLE_VALUE)
2330 {
2331 *MSVCRT__errno() = MSVCRT_EBADF;
2332 return -1;
2333 }
2334
2335 utf16 = (fdinfo->exflag & EF_UTF16) != 0;
2336 if (((fdinfo->exflag&EF_UTF8) || utf16) && count&1)
2337 {
2338 *MSVCRT__errno() = MSVCRT_EINVAL;
2339 return -1;
2340 }
2341
2342 if((fdinfo->wxflag&WX_TEXT) && (fdinfo->exflag&EF_UTF8))
2343 return read_utf8(fd, buf, count);
2344
2345 if (fdinfo->lookahead[0]!='\n' || ReadFile(hand, bufstart, count, &num_read, NULL))
2346 {
2347 if (fdinfo->lookahead[0] != '\n')
2348 {
2349 bufstart[0] = fdinfo->lookahead[0];
2350 fdinfo->lookahead[0] = '\n';
2351
2352 if (utf16)
2353 {
2354 bufstart[1] = fdinfo->lookahead[1];
2355 fdinfo->lookahead[1] = '\n';
2356 }
2357
2358 if(count>1+utf16 && ReadFile(hand, bufstart+1+utf16, count-1-utf16, &num_read, NULL))
2359 num_read += 1+utf16;
2360 else
2361 num_read = 1+utf16;
2362 }
2363
2364 if(utf16 && (num_read&1))
2365 {
2366 /* msvcr90 uses uninitialized value from the buffer in this case */
2367 /* msvcrt ignores additional data */
2368 ERR("got odd number of bytes in UTF16 mode\n");
2369 num_read--;
2370 }
2371
2372 if (count != 0 && num_read == 0)
2373 {
2374 fdinfo->wxflag |= WX_ATEOF;
2375 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
2376 }
2377 else if (fdinfo->wxflag & WX_TEXT)
2378 {
2379 DWORD i, j;
2380
2381 if (bufstart[0]=='\n' && (!utf16 || bufstart[1]==0))
2382 fdinfo->wxflag |= WX_READNL;
2383 else
2384 fdinfo->wxflag &= ~WX_READNL;
2385
2386 for (i=0, j=0; i<num_read; i+=1+utf16)
2387 {
2388 /* in text mode, a ctrl-z signals EOF */
2389 if (bufstart[i]==0x1a && (!utf16 || bufstart[i+1]==0))
2390 {
2391 fdinfo->wxflag |= WX_ATEOF;
2392 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
2393 break;
2394 }
2395
2396 /* in text mode, strip \r if followed by \n */
2397 if (bufstart[i]=='\r' && (!utf16 || bufstart[i+1]==0) && i+1+utf16==num_read)
2398 {
2399 char lookahead[2];
2400 DWORD len;
2401
2402 lookahead[1] = '\n';
2403 if (ReadFile(hand, lookahead, 1+utf16, &len, NULL) && len)
2404 {
2405 if(lookahead[0]=='\n' && (!utf16 || lookahead[1]==0) && j==0)
2406 {
2407 bufstart[j++] = '\n';
2408 if(utf16) bufstart[j++] = 0;
2409 }
2410 else
2411 {
2412 if(lookahead[0]!='\n' || (utf16 && lookahead[1]!=0))
2413 {
2414 bufstart[j++] = '\r';
2415 if(utf16) bufstart[j++] = 0;
2416 }
2417
2418 if (fdinfo->wxflag & WX_PIPE)
2419 {
2420 fdinfo->lookahead[0] = lookahead[0];
2421 fdinfo->lookahead[1] = lookahead[1];
2422 }
2423 else
2424 SetFilePointer(fdinfo->handle, -1-utf16, NULL, FILE_CURRENT);
2425 }
2426 }
2427 else
2428 {
2429 bufstart[j++] = '\r';
2430 if(utf16) bufstart[j++] = 0;
2431 }
2432 }
2433 else if((bufstart[i]!='\r' || (utf16 && bufstart[i+1]!=0))
2434 || (bufstart[i+1+utf16]!='\n' || (utf16 && bufstart[i+3]!=0)))
2435 {
2436 bufstart[j++] = bufstart[i];
2437 if(utf16) bufstart[j++] = bufstart[i+1];
2438 }
2439 }
2440 num_read = j;
2441 }
2442 }
2443 else
2444 {
2445 if (GetLastError() == ERROR_BROKEN_PIPE)
2446 {
2447 TRACE(":end-of-pipe\n");
2448 fdinfo->wxflag |= WX_ATEOF;
2449 return 0;
2450 }
2451 else
2452 {
2453 TRACE(":failed-last error (%d)\n",GetLastError());
2454 return -1;
2455 }
2456 }
2457
2458 if (count > 4)
2459 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
2460 return num_read;
2461 }
2462
2463 /*********************************************************************
2464 * _read (MSVCRT.@)
2465 */
2466 int CDECL MSVCRT__read(int fd, void *buf, unsigned int count)
2467 {
2468 int num_read;
2469 num_read = read_i(fd, buf, count);
2470 return num_read;
2471 }
2472
2473 /*********************************************************************
2474 * _setmode (MSVCRT.@)
2475 */
2476 int CDECL MSVCRT__setmode(int fd,int mode)
2477 {
2478 int ret = msvcrt_get_ioinfo(fd)->wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
2479 if(ret==MSVCRT__O_TEXT && (msvcrt_get_ioinfo(fd)->exflag & (EF_UTF8|EF_UTF16)))
2480 ret = MSVCRT__O_WTEXT;
2481
2482 if(mode!=MSVCRT__O_TEXT && mode!=MSVCRT__O_BINARY && mode!=MSVCRT__O_WTEXT
2483 && mode!=MSVCRT__O_U16TEXT && mode!=MSVCRT__O_U8TEXT) {
2484 *MSVCRT__errno() = MSVCRT_EINVAL;
2485 return -1;
2486 }
2487
2488 if(mode == MSVCRT__O_BINARY) {
2489 msvcrt_get_ioinfo(fd)->wxflag &= ~WX_TEXT;
2490 msvcrt_get_ioinfo(fd)->exflag &= ~(EF_UTF8|EF_UTF16);
2491 return ret;
2492 }
2493
2494 msvcrt_get_ioinfo(fd)->wxflag |= WX_TEXT;
2495 if(mode == MSVCRT__O_TEXT)
2496 msvcrt_get_ioinfo(fd)->exflag &= ~(EF_UTF8|EF_UTF16);
2497 else if(mode == MSVCRT__O_U8TEXT)
2498 msvcrt_get_ioinfo(fd)->exflag = (msvcrt_get_ioinfo(fd)->exflag & ~EF_UTF16) | EF_UTF8;
2499 else
2500 msvcrt_get_ioinfo(fd)->exflag = (msvcrt_get_ioinfo(fd)->exflag & ~EF_UTF8) | EF_UTF16;
2501
2502 return ret;
2503 }
2504
2505 /*********************************************************************
2506 * _stat64 (MSVCRT.@)
2507 */
2508 int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
2509 {
2510 DWORD dw;
2511 WIN32_FILE_ATTRIBUTE_DATA hfi;
2512 unsigned short mode = ALL_S_IREAD;
2513 int plen;
2514
2515 TRACE(":file (%s) buf(%p)\n",path,buf);
2516
2517 plen = strlen(path);
2518 while (plen && path[plen-1]==' ')
2519 plen--;
2520
2521 if (plen && (path[plen-1]=='\\' || path[plen-1]=='/'))
2522 {
2523 *MSVCRT__errno() = MSVCRT_ENOENT;
2524 return -1;
2525 }
2526
2527 if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
2528 {
2529 TRACE("failed (%d)\n",GetLastError());
2530 *MSVCRT__errno() = MSVCRT_ENOENT;
2531 return -1;
2532 }
2533
2534 memset(buf,0,sizeof(struct MSVCRT__stat64));
2535
2536 /* FIXME: rdev isn't drive num, despite what the docs say-what is it?
2537 Bon 011120: This FIXME seems incorrect
2538 Also a letter as first char isn't enough to be classified
2539 as a drive letter
2540 */
2541 if (isalpha(*path)&& (*(path+1)==':'))
2542 buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
2543 else
2544 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2545
2546 /* Dir, or regular file? */
2547 if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
2548 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2549 else
2550 {
2551 mode |= MSVCRT__S_IFREG;
2552 /* executable? */
2553 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2554 {
2555 unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
2556 (tolower(path[plen-3]) << 16);
2557 if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
2558 mode |= ALL_S_IEXEC;
2559 }
2560 }
2561
2562 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2563 mode |= ALL_S_IWRITE;
2564
2565 buf->st_mode = mode;
2566 buf->st_nlink = 1;
2567 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2568 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2569 buf->st_atime = dw;
2570 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2571 buf->st_mtime = buf->st_ctime = dw;
2572 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2573 (int)(buf->st_size >> 32),(int)buf->st_size,
2574 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2575 return 0;
2576 }
2577
2578 /*********************************************************************
2579 * _stati64 (MSVCRT.@)
2580 */
2581 int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf)
2582 {
2583 int ret;
2584 struct MSVCRT__stat64 buf64;
2585
2586 ret = MSVCRT_stat64(path, &buf64);
2587 if (!ret)
2588 msvcrt_stat64_to_stati64(&buf64, buf);
2589 return ret;
2590 }
2591
2592 /*********************************************************************
2593 * _stat (MSVCRT.@)
2594 */
2595 int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf)
2596 { int ret;
2597 struct MSVCRT__stat64 buf64;
2598
2599 ret = MSVCRT_stat64( path, &buf64);
2600 if (!ret)
2601 msvcrt_stat64_to_stat(&buf64, buf);
2602 return ret;
2603 }
2604
2605 /*********************************************************************
2606 * _wstat64 (MSVCRT.@)
2607 */
2608 int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf)
2609 {
2610 DWORD dw;
2611 WIN32_FILE_ATTRIBUTE_DATA hfi;
2612 unsigned short mode = ALL_S_IREAD;
2613 int plen;
2614
2615 TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
2616
2617 plen = strlenW(path);
2618 while (plen && path[plen-1]==' ')
2619 plen--;
2620
2621 if(plen && (path[plen-1]=='\\' || path[plen-1]=='/'))
2622 {
2623 *MSVCRT__errno() = MSVCRT_ENOENT;
2624 return -1;
2625 }
2626
2627 if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
2628 {
2629 TRACE("failed (%d)\n",GetLastError());
2630 *MSVCRT__errno() = MSVCRT_ENOENT;
2631 return -1;
2632 }
2633
2634 memset(buf,0,sizeof(struct MSVCRT__stat64));
2635
2636 /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
2637 if (MSVCRT_iswalpha(*path))
2638 buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
2639 else
2640 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2641
2642 /* Dir, or regular file? */
2643 if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
2644 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2645 else
2646 {
2647 mode |= MSVCRT__S_IFREG;
2648 /* executable? */
2649 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2650 {
2651 ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
2652 ((ULONGLONG)tolowerW(path[plen-3]) << 32);
2653 if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
2654 mode |= ALL_S_IEXEC;
2655 }
2656 }
2657
2658 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2659 mode |= ALL_S_IWRITE;
2660
2661 buf->st_mode = mode;
2662 buf->st_nlink = 1;
2663 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2664 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2665 buf->st_atime = dw;
2666 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2667 buf->st_mtime = buf->st_ctime = dw;
2668 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2669 (int)(buf->st_size >> 32),(int)buf->st_size,
2670 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2671 return 0;
2672 }
2673
2674 /*********************************************************************
2675 * _wstati64 (MSVCRT.@)
2676 */
2677 int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
2678 {
2679 int ret;
2680 struct MSVCRT__stat64 buf64;
2681
2682 ret = MSVCRT__wstat64(path, &buf64);
2683 if (!ret)
2684 msvcrt_stat64_to_stati64(&buf64, buf);
2685 return ret;
2686 }
2687
2688 /*********************************************************************
2689 * _wstat (MSVCRT.@)
2690 */
2691 int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
2692 {
2693 int ret;
2694 struct MSVCRT__stat64 buf64;
2695
2696 ret = MSVCRT__wstat64( path, &buf64 );
2697 if (!ret) msvcrt_stat64_to_stat(&buf64, buf);
2698 return ret;
2699 }
2700
2701 /*********************************************************************
2702 * _tell (MSVCRT.@)
2703 */
2704 MSVCRT_long CDECL MSVCRT__tell(int fd)
2705 {
2706 return MSVCRT__lseek(fd, 0, SEEK_CUR);
2707 }
2708
2709 /*********************************************************************
2710 * _telli64 (MSVCRT.@)
2711 */
2712 __int64 CDECL _telli64(int fd)
2713 {
2714 return MSVCRT__lseeki64(fd, 0, SEEK_CUR);
2715 }
2716
2717 /*********************************************************************
2718 * _tempnam (MSVCRT.@)
2719 */
2720 char * CDECL MSVCRT__tempnam(const char *dir, const char *prefix)
2721 {
2722 char tmpbuf[MAX_PATH];
2723 const char *tmp_dir = MSVCRT_getenv("TMP");
2724
2725 if (tmp_dir) dir = tmp_dir;
2726
2727 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
2728 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
2729 {
2730 TRACE("got name (%s)\n",tmpbuf);
2731 DeleteFileA(tmpbuf);
2732 return MSVCRT__strdup(tmpbuf);
2733 }
2734 TRACE("failed (%d)\n",GetLastError());
2735 return NULL;
2736 }
2737
2738 /*********************************************************************
2739 * _wtempnam (MSVCRT.@)
2740 */
2741 MSVCRT_wchar_t * CDECL MSVCRT__wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
2742 {
2743 static const MSVCRT_wchar_t tmpW[] = {'T','M','P',0};
2744 MSVCRT_wchar_t tmpbuf[MAX_PATH];
2745 const MSVCRT_wchar_t *tmp_dir = MSVCRT__wgetenv(tmpW);
2746
2747 if (tmp_dir) dir = tmp_dir;
2748
2749 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
2750 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
2751 {
2752 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
2753 DeleteFileW(tmpbuf);
2754 return MSVCRT__wcsdup(tmpbuf);
2755 }
2756 TRACE("failed (%d)\n",GetLastError());
2757 return NULL;
2758 }
2759
2760 /*********************************************************************
2761 * _umask (MSVCRT.@)
2762 */
2763 int CDECL MSVCRT__umask(int umask)
2764 {
2765 int old_umask = MSVCRT_umask;
2766 TRACE("(%d)\n",umask);
2767 MSVCRT_umask = umask;
2768 return old_umask;
2769 }
2770
2771 /*********************************************************************
2772 * _utime64 (MSVCRT.@)
2773 */
2774 int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t)
2775 {
2776 int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2777
2778 if (fd > 0)
2779 {
2780 int retVal = _futime64(fd, t);
2781 MSVCRT__close(fd);
2782 return retVal;
2783 }
2784 return -1;
2785 }
2786
2787 /*********************************************************************
2788 * _utime32 (MSVCRT.@)
2789 */
2790 int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t)
2791 {
2792 if (t)
2793 {
2794 struct MSVCRT___utimbuf64 t64;
2795 t64.actime = t->actime;
2796 t64.modtime = t->modtime;
2797 return _utime64( path, &t64 );
2798 }
2799 else
2800 return _utime64( path, NULL );
2801 }
2802
2803 /*********************************************************************
2804 * _utime (MSVCRT.@)
2805 */
2806 #ifdef _WIN64
2807 int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t)
2808 {
2809 return _utime64( path, t );
2810 }
2811 #else
2812 int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t)
2813 {
2814 return _utime32( path, t );
2815 }
2816 #endif
2817
2818 /*********************************************************************
2819 * _wutime64 (MSVCRT.@)
2820 */
2821 int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2822 {
2823 int fd = MSVCRT__wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2824
2825 if (fd > 0)
2826 {
2827 int retVal = _futime64(fd, t);
2828 MSVCRT__close(fd);
2829 return retVal;
2830 }
2831 return -1;
2832 }
2833
2834 /*********************************************************************
2835 * _wutime32 (MSVCRT.@)
2836 */
2837 int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2838 {
2839 if (t)
2840 {
2841 struct MSVCRT___utimbuf64 t64;
2842 t64.actime = t->actime;
2843 t64.modtime = t->modtime;
2844 return _wutime64( path, &t64 );
2845 }
2846 else
2847 return _wutime64( path, NULL );
2848 }
2849
2850 /*********************************************************************
2851 * _wutime (MSVCRT.@)
2852 */
2853 #ifdef _WIN64
2854 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2855 {
2856 return _wutime64( path, t );
2857 }
2858 #else
2859 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2860 {
2861 return _wutime32( path, t );
2862 }
2863 #endif
2864
2865 /*********************************************************************
2866 * _write (MSVCRT.@)
2867 */
2868 int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
2869 {
2870 DWORD num_written;
2871 ioinfo *info = msvcrt_get_ioinfo(fd);
2872 HANDLE hand = info->handle;
2873
2874 /* Don't trace small writes, it gets *very* annoying */
2875 #if 0
2876 if (count > 32)
2877 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
2878 #endif
2879 if (hand == INVALID_HANDLE_VALUE)
2880 {
2881 *MSVCRT__errno() = MSVCRT_EBADF;
2882 return -1;
2883 }
2884
2885 if (((info->exflag&EF_UTF8) || (info->exflag&EF_UTF16)) && count&1)
2886 {
2887 *MSVCRT__errno() = MSVCRT_EINVAL;
2888 return -1;
2889 }
2890
2891 /* If appending, go to EOF */
2892 if (info->wxflag & WX_APPEND)
2893 MSVCRT__lseek(fd, 0, FILE_END);
2894
2895 if (!(info->wxflag & WX_TEXT))
2896 {
2897 if (WriteFile(hand, buf, count, &num_written, NULL)
2898 && (num_written == count))
2899 return num_written;
2900 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
2901 hand, GetLastError());
2902 *MSVCRT__errno() = MSVCRT_ENOSPC;
2903 }
2904 else
2905 {
2906 unsigned int i, j, nr_lf, size;
2907 char *p = NULL;
2908 const char *q;
2909 const char *s = buf, *buf_start = buf;
2910
2911 if (!(info->exflag & (EF_UTF8|EF_UTF16)))
2912 {
2913 /* find number of \n */
2914 for (nr_lf=0, i=0; i<count; i++)
2915 if (s[i] == '\n')
2916 nr_lf++;
2917 if (nr_lf)
2918 {
2919 size = count+nr_lf;
2920 if ((q = p = MSVCRT_malloc(size)))
2921 {
2922 for (s = buf, i = 0, j = 0; i < count; i++)
2923 {
2924 if (s[i] == '\n')
2925 p[j++] = '\r';
2926 p[j++] = s[i];
2927 }
2928 }
2929 else
2930 {
2931 FIXME("Malloc failed\n");
2932 nr_lf = 0;
2933 size = count;
2934 q = buf;
2935 }
2936 }
2937 else
2938 {
2939 size = count;
2940 q = buf;
2941 }
2942 }
2943 else if (info->exflag & EF_UTF16)
2944 {
2945 for (nr_lf=0, i=0; i<count; i+=2)
2946 if (s[i]=='\n' && s[i+1]==0)
2947 nr_lf += 2;
2948 if (nr_lf)
2949 {
2950 size = count+nr_lf;
2951 if ((q = p = MSVCRT_malloc(size)))
2952 {
2953 for (s=buf, i=0, j=0; i<count; i++)
2954 {
2955 if (s[i]=='\n' && s[i+1]==0)
2956 {
2957 p[j++] = '\r';
2958 p[j++] = 0;
2959 }
2960 p[j++] = s[i++];
2961 p[j++] = s[i];
2962 }
2963 }
2964 else
2965 {
2966 FIXME("Malloc failed\n");
2967 nr_lf = 0;
2968 size = count;
2969 q = buf;
2970 }
2971 }
2972 else
2973 {
2974 size = count;
2975 q = buf;
2976 }
2977 }
2978 else
2979 {
2980 DWORD conv_len;
2981
2982 for(nr_lf=0, i=0; i<count; i+=2)
2983 if (s[i]=='\n' && s[i+1]==0)
2984 nr_lf++;
2985
2986 conv_len = WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)buf, count/2, NULL, 0, NULL, NULL);
2987 if(!conv_len) {
2988 msvcrt_set_errno(GetLastError());
2989 MSVCRT_free(p);
2990 return -1;
2991 }
2992
2993 size = conv_len+nr_lf;
2994 if((p = MSVCRT_malloc(count+nr_lf*2+size)))
2995 {
2996 for (s=buf, i=0, j=0; i<count; i++)
2997 {
2998 if (s[i]=='\n' && s[i+1]==0)
2999 {
3000 p[j++] = '\r';
3001 p[j++] = 0;
3002 }
3003 p[j++] = s[i++];
3004 p[j++] = s[i];
3005 }
3006 q = p+count+nr_lf*2;
3007 WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)p, count/2+nr_lf,
3008 p+count+nr_lf*2, conv_len+nr_lf, NULL, NULL);
3009 }
3010 else
3011 {
3012 FIXME("Malloc failed\n");
3013 nr_lf = 0;
3014 size = count;
3015 q = buf;
3016 }
3017 }
3018
3019 if (!WriteFile(hand, q, size, &num_written, NULL))
3020 num_written = -1;
3021 if(p)
3022 MSVCRT_free(p);
3023 if (num_written != size)
3024 {
3025 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
3026 fd, hand, GetLastError(), num_written);
3027 *MSVCRT__errno() = MSVCRT_ENOSPC;
3028 return s - buf_start;
3029 }
3030 return count;
3031 }
3032
3033 return -1;
3034 }
3035
3036 /*********************************************************************
3037 * _putw (MSVCRT.@)
3038 */
3039 int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
3040 {
3041 int len;
3042
3043 MSVCRT__lock_file(file);
3044 len = MSVCRT__write(file->_file, &val, sizeof(val));
3045 if (len == sizeof(val)) {
3046 MSVCRT__unlock_file(file);
3047 return val;
3048 }
3049
3050 file->_flag |= MSVCRT__IOERR;
3051 MSVCRT__unlock_file(file);
3052 return MSVCRT_EOF;
3053 }
3054
3055 /*********************************************************************
3056 * fclose (MSVCRT.@)
3057 */
3058 int CDECL MSVCRT_fclose(MSVCRT_FILE* file)
3059 {
3060 int r, flag;
3061
3062 MSVCRT__lock_file(file);
3063 flag = file->_flag;
3064 MSVCRT_free(file->_tmpfname);
3065 file->_tmpfname = NULL;
3066 /* flush stdio buffers */
3067 if(file->_flag & MSVCRT__IOWRT)
3068 MSVCRT_fflush(file);
3069 if(file->_flag & MSVCRT__IOMYBUF)
3070 MSVCRT_free(file->_base);
3071
3072 r=MSVCRT__close(file->_file);
3073
3074 file->_flag = 0;
3075 MSVCRT__unlock_file(file);
3076
3077 return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
3078 }
3079
3080 /*********************************************************************
3081 * feof (MSVCRT.@)
3082 */
3083 int CDECL MSVCRT_feof(MSVCRT_FILE* file)
3084 {
3085 return file->_flag & MSVCRT__IOEOF;
3086 }
3087
3088 /*********************************************************************
3089 * ferror (MSVCRT.@)
3090 */
3091 int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
3092 {
3093 return file->_flag & MSVCRT__IOERR;
3094 }
3095
3096 /*********************************************************************
3097 * _filbuf (MSVCRT.@)
3098 */
3099 int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
3100 {
3101 unsigned char c;
3102 MSVCRT__lock_file(file);
3103
3104 /* Allocate buffer if needed */
3105 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF))
3106 msvcrt_alloc_buffer(file);
3107
3108 if(!(file->_flag & MSVCRT__IOREAD)) {
3109 if(file->_flag & MSVCRT__IORW)
3110 file->_flag |= MSVCRT__IOREAD;
3111 else {
3112 MSVCRT__unlock_file(file);
3113 return MSVCRT_EOF;
3114 }
3115 }
3116
3117 if(file->_flag & MSVCRT__IONBF) {
3118 int r;
3119 if ((r = read_i(file->_file,&c,1)) != 1) {
3120 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
3121 MSVCRT__unlock_file(file);
3122 return MSVCRT_EOF;
3123 }
3124
3125 MSVCRT__unlock_file(file);
3126 return c;
3127 } else {
3128 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
3129 if(file->_cnt<=0) {
3130 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
3131 file->_cnt = 0;
3132 MSVCRT__unlock_file(file);
3133 return MSVCRT_EOF;
3134 }
3135
3136 file->_cnt--;
3137 file->_ptr = file->_base+1;
3138 c = *(unsigned char *)file->_base;
3139 MSVCRT__unlock_file(file);
3140 return c;
3141 }
3142 }
3143
3144 /*********************************************************************
3145 * fgetc (MSVCRT.@)
3146 */
3147 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
3148 {
3149 unsigned char *i;
3150 unsigned int j;
3151
3152 MSVCRT__lock_file(file);
3153 if (file->_cnt>0) {
3154 file->_cnt--;
3155 i = (unsigned char *)file->_ptr++;
3156 j = *i;
3157 } else
3158 j = MSVCRT__filbuf(file);
3159
3160 MSVCRT__unlock_file(file);
3161 return j;
3162 }
3163
3164 /*********************************************************************
3165 * _fgetchar (MSVCRT.@)
3166 */
3167 int CDECL MSVCRT__fgetchar(void)
3168 {
3169 return MSVCRT_fgetc(MSVCRT_stdin);
3170 }
3171
3172 /*********************************************************************
3173 * fgets (MSVCRT.@)
3174 */
3175 char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
3176 {
3177 int cc = MSVCRT_EOF;
3178 char * buf_start = s;
3179
3180 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
3181 file,file->_file,s,size);
3182
3183 MSVCRT__lock_file(file);
3184
3185 while ((size >1) && (cc = MSVCRT_fgetc(file)) != MSVCRT_EOF && cc != '\n')
3186 {
3187 *s++ = (char)cc;
3188 size --;
3189 }
3190 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
3191 {
3192 TRACE(":nothing read\n");
3193 MSVCRT__unlock_file(file);
3194 return NULL;
3195 }
3196 if ((cc != MSVCRT_EOF) && (size > 1))
3197 *s++ = cc;
3198 *s = '\0';
3199 TRACE(":got %s\n", debugstr_a(buf_start));
3200 MSVCRT__unlock_file(file);
3201 return buf_start;
3202 }
3203
3204 /*********************************************************************
3205 * fgetwc (MSVCRT.@)
3206 *
3207 * In MSVCRT__O_TEXT mode, multibyte characters are read from the file, dropping
3208 * the CR from CR/LF combinations
3209 */
3210 MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
3211 {
3212 int c;
3213
3214 MSVCRT__lock_file(file);
3215 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT))
3216 {
3217 MSVCRT_wchar_t wc;
3218 unsigned int i;
3219 int j;
3220 char *chp, *wcp;
3221 wcp = (char *)&wc;
3222 for(i=0; i<sizeof(wc); i++)
3223 {
3224 if (file->_cnt>0)
3225 {
3226 file->_cnt--;
3227 chp = file->_ptr++;
3228 wcp[i] = *chp;
3229 }
3230 else
3231 {
3232 j = MSVCRT__filbuf(file);
3233 if(file->_cnt<=0)
3234 {
3235 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
3236 file->_cnt = 0;
3237
3238 MSVCRT__unlock_file(file);
3239 return MSVCRT_WEOF;
3240 }
3241 wcp[i] = j;
3242 }
3243 }
3244
3245 MSVCRT__unlock_file(file);
3246 return wc;
3247 }
3248
3249 c = MSVCRT_fgetc(file);
3250 if ((get_locinfo()->mb_cur_max > 1) && MSVCRT_isleadbyte(c))
3251 {
3252 FIXME("Treat Multibyte characters\n");
3253 }
3254
3255 MSVCRT__unlock_file(file);
3256 if (c == MSVCRT_EOF)
3257 return MSVCRT_WEOF;
3258 else
3259 return (MSVCRT_wint_t)c;
3260 }
3261
3262 /*********************************************************************
3263 * _getw (MSVCRT.@)
3264 */
3265 int CDECL MSVCRT__getw(MSVCRT_FILE* file)
3266 {
3267 char *ch;
3268 int i, k;
3269 unsigned int j;
3270 ch = (char *)&i;
3271
3272 MSVCRT__lock_file(file);
3273 for (j=0; j<sizeof(int); j++) {
3274 k = MSVCRT_fgetc(file);
3275 if (k == MSVCRT_EOF) {
3276 file->_flag |= MSVCRT__IOEOF;
3277 MSVCRT__unlock_file(file);
3278 return EOF;
3279 }
3280 ch[j] = k;
3281 }
3282
3283 MSVCRT__unlock_file(file);
3284 return i;
3285 }
3286
3287 /*********************************************************************
3288 * getwc (MSVCRT.@)
3289 */
3290 MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
3291 {
3292 return MSVCRT_fgetwc(file);
3293 }
3294
3295 /*********************************************************************
3296 * _fgetwchar (MSVCRT.@)
3297 */
3298 MSVCRT_wint_t CDECL MSVCRT__fgetwchar(void)
3299 {
3300 return MSVCRT_fgetwc(MSVCRT_stdin);
3301 }
3302
3303 /*********************************************************************
3304 * getwchar (MSVCRT.@)
3305 */
3306 MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
3307 {
3308 return MSVCRT__fgetwchar();
3309 }
3310
3311 /*********************************************************************
3312 * fgetws (MSVCRT.@)
3313 */
3314 MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
3315 {
3316 int cc = MSVCRT_WEOF;
3317 MSVCRT_wchar_t * buf_start = s;
3318
3319 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
3320 file,file->_file,s,size);
3321
3322 MSVCRT__lock_file(file);
3323
3324 while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n')
3325 {
3326 *s++ = (char)cc;
3327 size --;
3328 }
3329 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
3330 {
3331 TRACE(":nothing read\n");
3332 MSVCRT__unlock_file(file);
3333 return NULL;
3334 }
3335 if ((cc != MSVCRT_WEOF) && (size > 1))
3336 *s++ = cc;
3337 *s = 0;
3338 TRACE(":got %s\n", debugstr_w(buf_start));
3339 MSVCRT__unlock_file(file);
3340 return buf_start;
3341 }
3342
3343 /*********************************************************************
3344 * fwrite (MSVCRT.@)
3345 */
3346 MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3347 {
3348 MSVCRT_size_t wrcnt=size * nmemb;
3349 int written = 0;
3350 if (size == 0)
3351 return 0;
3352
3353 MSVCRT__lock_file(file);
3354 if(file->_cnt) {
3355 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
3356 memcpy(file->_ptr, ptr, pcnt);
3357 file->_cnt -= pcnt;
3358 file->_ptr += pcnt;
3359 written = pcnt;
3360 wrcnt -= pcnt;
3361 ptr = (const char*)ptr + pcnt;
3362 } else if(!(file->_flag & MSVCRT__IOWRT)) {
3363 if(file->_flag & MSVCRT__IORW) {
3364 file->_flag |= MSVCRT__IOWRT;
3365 } else {
3366 MSVCRT__unlock_file(file);
3367 return 0;
3368 }
3369 }
3370 if(wrcnt) {
3371 int res;
3372
3373 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF))
3374 msvcrt_alloc_buffer(file);
3375
3376 /* Flush buffer */
3377 res=msvcrt_flush_buffer(file);
3378 if(!res) {
3379 int pwritten = MSVCRT__write(file->_file, ptr, wrcnt);
3380 if (pwritten <= 0)
3381 {
3382 file->_flag |= MSVCRT__IOERR;
3383 pwritten=0;
3384 }
3385 written += pwritten;
3386 }
3387 }
3388
3389 MSVCRT__unlock_file(file);
3390 return written / size;
3391 }
3392
3393 /*********************************************************************
3394 * fputwc (MSVCRT.@)
3395 */
3396 MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
3397 {
3398 MSVCRT_wchar_t mwc=wc;
3399 ioinfo *fdinfo;
3400 MSVCRT_wint_t ret;
3401
3402 MSVCRT__lock_file(file);
3403 fdinfo = msvcrt_get_ioinfo(file->_file);
3404
3405 if((fdinfo->wxflag&WX_TEXT) && !(fdinfo->exflag&(EF_UTF8|EF_UTF16))) {
3406 char buf[MSVCRT_MB_LEN_MAX];
3407 int char_len;
3408
3409 char_len = MSVCRT_wctomb(buf, mwc);
3410 if(char_len!=-1 && MSVCRT_fwrite(buf, char_len, 1, file)==1)
3411 ret = wc;
3412 else
3413 ret = MSVCRT_WEOF;
3414 }else if(MSVCRT_fwrite(&mwc, sizeof(mwc), 1, file) == 1) {
3415 ret = wc;
3416 }else {
3417 ret = MSVCRT_WEOF;
3418 }
3419
3420 MSVCRT__unlock_file(file);
3421 return ret;
3422 }
3423
3424 /*********************************************************************
3425 * _fputwchar (MSVCRT.@)
3426 */
3427 MSVCRT_wint_t CDECL MSVCRT__fputwchar(MSVCRT_wint_t wc)
3428 {
3429 return MSVCRT_fputwc(wc, MSVCRT_stdout);
3430 }
3431
3432 /*********************************************************************
3433 * _wfsopen (MSVCRT.@)
3434 */
3435 MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
3436 {
3437 MSVCRT_FILE* file;
3438 int open_flags, stream_flags, fd;
3439
3440 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
3441
3442 /* map mode string to open() flags. "man fopen" for possibilities. */
3443 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
3444 return NULL;
3445
3446 LOCK_FILES();
3447 fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
3448 if (fd < 0)
3449 file = NULL;
3450 else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
3451 != -1)
3452 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
3453 else if (file)
3454 {
3455 file->_flag = 0;
3456 file = NULL;
3457 }
3458
3459 TRACE(":got (%p)\n",file);
3460 if (fd >= 0 && !file)
3461 MSVCRT__close(fd);
3462 UNLOCK_FILES();
3463 return file;
3464 }
3465
3466 /*********************************************************************
3467 * _fsopen (MSVCRT.@)
3468 */
3469 MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
3470 {
3471 MSVCRT_FILE *ret;
3472 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3473
3474 if (path && !(pathW = msvcrt_wstrdupa(path))) {
3475 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3476 *MSVCRT__errno() = MSVCRT_EINVAL;
3477 return NULL;
3478 }
3479 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3480 {
3481 MSVCRT_free(pathW);
3482 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3483 *MSVCRT__errno() = MSVCRT_EINVAL;
3484 return NULL;
3485 }
3486
3487 ret = MSVCRT__wfsopen(pathW, modeW, share);
3488
3489 MSVCRT_free(pathW);
3490 MSVCRT_free(modeW);
3491 return ret;
3492 }
3493
3494 /*********************************************************************
3495 * fopen (MSVCRT.@)
3496 */
3497 MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
3498 {
3499 return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
3500 }
3501
3502 /*********************************************************************
3503 * fopen_s (MSVCRT.@)
3504 */
3505 int CDECL MSVCRT_fopen_s(MSVCRT_FILE** pFile,
3506 const char *filename, const char *mode)
3507 {
3508 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3509 if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
3510 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3511
3512 *pFile = MSVCRT_fopen(filename, mode);
3513
3514 if(!*pFile)
3515 return *MSVCRT__errno();
3516 return 0;
3517 }
3518
3519 /*********************************************************************
3520 * _wfopen (MSVCRT.@)
3521 */
3522 MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
3523 {
3524 return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
3525 }
3526
3527 /*********************************************************************
3528 * _wfopen_s (MSVCRT.@)
3529 */
3530 int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename,
3531 const MSVCRT_wchar_t *mode)
3532 {
3533 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3534 if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
3535 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3536
3537 *pFile = MSVCRT__wfopen(filename, mode);
3538
3539 if(!*pFile)
3540 return *MSVCRT__errno();
3541 return 0;
3542 }
3543
3544 /*********************************************************************
3545 * _flsbuf (MSVCRT.@)
3546 */
3547 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
3548 {
3549 /* Flush output buffer */
3550 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
3551 msvcrt_alloc_buffer(file);
3552 }
3553 if(!(file->_flag & MSVCRT__IOWRT)) {
3554 if(file->_flag & MSVCRT__IORW)
3555 file->_flag |= MSVCRT__IOWRT;
3556 else
3557 return MSVCRT_EOF;
3558 }
3559 if(file->_bufsiz) {
3560 int res = 0;
3561
3562 if(file->_cnt <= 0)
3563 res = msvcrt_flush_buffer(file);
3564 if(!res) {
3565 *file->_ptr++ = c;
3566 file->_cnt--;
3567 res = msvcrt_flush_buffer(file);
3568 }
3569
3570 return res ? res : c&0xff;
3571 } else {
3572 unsigned char cc=c;
3573 int len;
3574 /* set _cnt to 0 for unbuffered FILEs */
3575 file->_cnt = 0;
3576 len = MSVCRT__write(file->_file, &cc, 1);
3577 if (len == 1)
3578 return c & 0xff;
3579 file->_flag |= MSVCRT__IOERR;
3580 return MSVCRT_EOF;
3581 }
3582 }
3583
3584 /*********************************************************************
3585 * fputc (MSVCRT.@)
3586 */
3587 int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
3588 {
3589 int res;
3590
3591 MSVCRT__lock_file(file);
3592 if(file->_cnt>0) {
3593 *file->_ptr++=c;
3594 file->_cnt--;
3595 if (c == '\n')
3596 {
3597 res = msvcrt_flush_buffer(file);
3598 MSVCRT__unlock_file(file);
3599 return res ? res : c;
3600 }
3601 else {
3602 MSVCRT__unlock_file(file);
3603 return c & 0xff;
3604 }
3605 } else {
3606 res = MSVCRT__flsbuf(c, file);
3607 MSVCRT__unlock_file(file);
3608 return res;
3609 }
3610 }
3611
3612 /*********************************************************************
3613 * _fputchar (MSVCRT.@)
3614 */
3615 int CDECL MSVCRT__fputchar(int c)
3616 {
3617 return MSVCRT_fputc(c, MSVCRT_stdout);
3618 }
3619
3620 /*********************************************************************
3621 * fread (MSVCRT.@)
3622 */
3623 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3624 {
3625 MSVCRT_size_t rcnt=size * nmemb;
3626 MSVCRT_size_t read=0;
3627 int pread=0;
3628
3629 if(!rcnt)
3630 return 0;
3631
3632 MSVCRT__lock_file(file);
3633
3634 /* first buffered data */
3635 if(file->_cnt>0) {
3636 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
3637 memcpy(ptr, file->_ptr, pcnt);
3638 file->_cnt -= pcnt;
3639 file->_ptr += pcnt;
3640 read += pcnt ;
3641 rcnt -= pcnt ;
3642 ptr = (char*)ptr + pcnt;
3643 } else if(!(file->_flag & MSVCRT__IOREAD )) {
3644 if(file->_flag & MSVCRT__IORW) {
3645 file->_flag |= MSVCRT__IOREAD;
3646 } else {
3647 MSVCRT__unlock_file(file);
3648 return 0;
3649 }
3650 }
3651 while(rcnt>0)
3652 {
3653 int i;
3654 /* Fill the buffer on small reads.
3655 * TODO: Use a better buffering strategy.
3656 */
3657 if (!file->_cnt && size*nmemb <= MSVCRT_BUFSIZ/2 && !(file->_flag & MSVCRT__IONBF)) {
3658 if (file->_bufsiz == 0) {
3659 msvcrt_alloc_buffer(file);
3660 }
3661 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
3662 file->_ptr = file->_base;
3663 i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
3664 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
3665 if (i > 0 && i < file->_cnt) {
3666 msvcrt_get_ioinfo(file->_file)->wxflag &= ~WX_ATEOF;
3667 file->_flag &= ~MSVCRT__IOEOF;
3668 }
3669 if (i > 0) {
3670 memcpy(ptr, file->_ptr, i);
3671 file->_cnt -= i;
3672 file->_ptr += i;
3673 }
3674 } else {
3675 i = MSVCRT__read(file->_file,ptr, rcnt);
3676 }
3677 pread += i;
3678 rcnt -= i;
3679 ptr = (char *)ptr+i;
3680 /* expose feof condition in the flags
3681 * MFC tests file->_flag for feof, and doesn't call feof())
3682 */
3683 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_ATEOF)
3684 file->_flag |= MSVCRT__IOEOF;
3685 else if (i == -1)
3686 {
3687 file->_flag |= MSVCRT__IOERR;
3688 pread = 0;
3689 rcnt = 0;
3690 }
3691 if (i < 1) break;
3692 }
3693 read+=pread;
3694 MSVCRT__unlock_file(file);
3695 return read / size;
3696 }
3697
3698 /*********************************************************************
3699 * _wfreopen (MSVCRT.@)
3700 *
3701 */
3702 MSVCRT_FILE* CDECL MSVCRT__wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
3703 {
3704 int fd;
3705
3706 TRACE(":path (%s) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file->_file);
3707
3708 LOCK_FILES();
3709 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
3710 file = NULL;
3711 else
3712 {
3713 MSVCRT_fclose(file);
3714 file = MSVCRT__wfsopen(path, mode, MSVCRT__SH_DENYNO);
3715 }
3716 UNLOCK_FILES();
3717 return file;
3718 }
3719
3720 /*********************************************************************
3721 * _wfreopen_s (MSVCRT.@)
3722 */
3723 int CDECL MSVCRT__wfreopen_s(MSVCRT_FILE** pFile,
3724 const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
3725 {
3726 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3727 if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
3728 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3729 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
3730
3731 *pFile = MSVCRT__wfreopen(path, mode, file);
3732
3733 if(!*pFile)
3734 return *MSVCRT__errno();
3735 return 0;
3736 }
3737
3738 /*********************************************************************
3739 * freopen (MSVCRT.@)
3740 *
3741 */
3742 MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
3743 {
3744 MSVCRT_FILE *ret;
3745 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3746
3747 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
3748 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3749 {
3750 MSVCRT_free(pathW);
3751 return NULL;
3752 }
3753
3754 ret = MSVCRT__wfreopen(pathW, modeW, file);
3755
3756 MSVCRT_free(pathW);
3757 MSVCRT_free(modeW);
3758 return ret;
3759 }
3760
3761 /*********************************************************************
3762 * freopen_s (MSVCRT.@)
3763 */
3764 int CDECL MSVCRT_freopen_s(MSVCRT_FILE** pFile,
3765 const char *path, const char *mode, MSVCRT_FILE* file)
3766 {
3767 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3768 if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
3769 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3770 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
3771
3772 *pFile = MSVCRT_freopen(path, mode, file);
3773
3774 if(!*pFile)
3775 return *MSVCRT__errno();
3776 return 0;
3777 }
3778
3779 /*********************************************************************
3780 * fsetpos (MSVCRT.@)
3781 */
3782 int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3783 {
3784 int ret;
3785
3786 MSVCRT__lock_file(file);
3787 /* Note that all this has been lifted 'as is' from fseek */
3788 if(file->_flag & MSVCRT__IOWRT)
3789 msvcrt_flush_buffer(file);
3790
3791 /* Discard buffered input */
3792 file->_cnt = 0;
3793 file->_ptr = file->_base;
3794
3795 /* Reset direction of i/o */
3796 if(file->_flag & MSVCRT__IORW) {
3797 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
3798 }
3799
3800 ret = (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
3801 MSVCRT__unlock_file(file);
3802 return ret;
3803 }
3804
3805 /*********************************************************************
3806 * _ftelli64 (MSVCRT.@)
3807 */
3808 __int64 CDECL MSVCRT__ftelli64(MSVCRT_FILE* file)
3809 {
3810 __int64 pos;
3811
3812 MSVCRT__lock_file(file);
3813 pos = _telli64(file->_file);
3814 if(pos == -1) {
3815 MSVCRT__unlock_file(file);
3816 return -1;
3817 }
3818 if(file->_bufsiz) {
3819 if(file->_flag & MSVCRT__IOWRT) {
3820 pos += file->_ptr - file->_base;
3821
3822 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3823 char *p;
3824
3825 for(p=file->_base; p<file->_ptr; p++)
3826 if(*p == '\n')
3827 pos++;
3828 }
3829 } else if(!file->_cnt) { /* nothing to do */
3830 } else if(MSVCRT__lseeki64(file->_file, 0, SEEK_END)==pos) {
3831 int i;
3832
3833 pos -= file->_cnt;
3834 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3835 for(i=0; i<file->_cnt; i++)
3836 if(file->_ptr[i] == '\n')
3837 pos--;
3838 }
3839 } else {
3840 char *p;
3841
3842 if(MSVCRT__lseeki64(file->_file, pos, SEEK_SET) != pos) {
3843 MSVCRT__unlock_file(file);
3844 return -1;
3845 }
3846
3847 pos -= file->_bufsiz;
3848 pos += file->_ptr - file->_base;
3849
3850 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3851 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READNL)
3852 pos--;
3853
3854 for(p=file->_base; p<file->_ptr; p++)
3855 if(*p == '\n')
3856 pos++;
3857 }
3858 }
3859 }
3860
3861 MSVCRT__unlock_file(file);
3862 return pos;
3863 }
3864
3865 /*********************************************************************
3866 * ftell (MSVCRT.@)
3867 */
3868 LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
3869 {
3870 return MSVCRT__ftelli64(file);
3871 }
3872
3873 /*********************************************************************
3874 * fgetpos (MSVCRT.@)
3875 */
3876 int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3877 {
3878 *pos = MSVCRT__ftelli64(file);
3879 if(*pos == -1)
3880 return -1;
3881 return 0;
3882 }
3883
3884 /*********************************************************************
3885 * fputs (MSVCRT.@)
3886 */
3887 int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
3888 {
3889 MSVCRT_size_t len = strlen(s);
3890 int ret;
3891
3892 MSVCRT__lock_file(file);
3893 ret = MSVCRT_fwrite(s, sizeof(*s), len, file) == len ? 0 : MSVCRT_EOF;
3894 MSVCRT__unlock_file(file);
3895 return ret;
3896 }
3897
3898 /*********************************************************************
3899 * fputws (MSVCRT.@)
3900 */
3901 int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
3902 {
3903 MSVCRT_size_t i, len = strlenW(s);
3904 int ret;
3905
3906 MSVCRT__lock_file(file);
3907 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3908 ret = MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
3909 MSVCRT__unlock_file(file);
3910 return ret;
3911 }
3912 for (i=0; i<len; i++) {
3913 if(MSVCRT_fputwc(s[i], file) == MSVCRT_WEOF) {
3914 MSVCRT__unlock_file(file);
3915 return MSVCRT_WEOF;
3916 }
3917 }
3918
3919 MSVCRT__unlock_file(file);
3920 return 0;
3921 }
3922
3923 /*********************************************************************
3924 * getchar (MSVCRT.@)
3925 */
3926 int CDECL MSVCRT_getchar(void)
3927 {
3928 return MSVCRT_fgetc(MSVCRT_stdin);
3929 }
3930
3931 /*********************************************************************
3932 * getc (MSVCRT.@)
3933 */
3934 int CDECL MSVCRT_getc(MSVCRT_FILE* file)
3935 {
3936 return MSVCRT_fgetc(file);
3937 }
3938
3939 /*********************************************************************
3940 * gets (MSVCRT.@)
3941 */
3942 char * CDECL MSVCRT_gets(char *buf)
3943 {
3944 int cc;
3945 char * buf_start = buf;
3946
3947 MSVCRT__lock_file(MSVCRT_stdin);
3948 for(cc = MSVCRT_fgetc(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
3949 cc = MSVCRT_fgetc(MSVCRT_stdin))
3950 if(cc != '\r') *buf++ = (char)cc;
3951
3952 *buf = '\0';
3953
3954 TRACE("got '%s'\n", buf_start);
3955 MSVCRT__unlock_file(MSVCRT_stdin);
3956 return buf_start;
3957 }
3958
3959 /*********************************************************************
3960 * _getws (MSVCRT.@)
3961 */
3962 MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
3963 {
3964 MSVCRT_wint_t cc;
3965 MSVCRT_wchar_t* ws = buf;
3966
3967 MSVCRT__lock_file(MSVCRT_stdin);
3968 for (cc = MSVCRT_fgetwc(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
3969 cc = MSVCRT_fgetwc(MSVCRT_stdin))
3970 {
3971 if (cc != '\r')
3972 *buf++ = (MSVCRT_wchar_t)cc;
3973 }
3974 *buf = '\0';
3975
3976 TRACE("got %s\n", debugstr_w(ws));
3977 MSVCRT__unlock_file(MSVCRT_stdin);
3978 return ws;
3979 }
3980
3981 /*********************************************************************
3982 * putc (MSVCRT.@)
3983 */
3984 int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
3985 {
3986 return MSVCRT_fputc(c, file);
3987 }
3988
3989 /*********************************************************************
3990 * putchar (MSVCRT.@)
3991 */
3992 int CDECL MSVCRT_putchar(int c)
3993 {
3994 return MSVCRT_fputc(c, MSVCRT_stdout);
3995 }
3996
3997 /*********************************************************************
3998 * _putwch (MSVCRT.@)
3999 */
4000 int CDECL MSVCRT__putwch(int c)
4001 {
4002 return MSVCRT_fputwc(c, MSVCRT_stdout);
4003 }
4004
4005 /*********************************************************************
4006 * puts (MSVCRT.@)
4007 */
4008 int CDECL MSVCRT_puts(const char *s)
4009 {
4010 MSVCRT_size_t len = strlen(s);
4011 int ret;
4012
4013 MSVCRT__lock_file(MSVCRT_stdout);
4014 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
4015 MSVCRT__unlock_file(MSVCRT_stdout);
4016 return MSVCRT_EOF;
4017 }
4018
4019 ret = MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
4020 MSVCRT__unlock_file(MSVCRT_stdout);
4021 return ret;
4022 }
4023
4024 /*********************************************************************
4025 * _putws (MSVCRT.@)
4026 */
4027 int CDECL MSVCRT__putws(const MSVCRT_wchar_t *s)
4028 {
4029 static const MSVCRT_wchar_t nl = '\n';
4030 MSVCRT_size_t len = strlenW(s);
4031 int ret;
4032
4033 MSVCRT__lock_file(MSVCRT_stdout);
4034 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
4035 MSVCRT__unlock_file(MSVCRT_stdout);
4036 return MSVCRT_EOF;
4037 }
4038
4039 ret = MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
4040 MSVCRT__unlock_file(MSVCRT_stdout);
4041 return ret;
4042 }
4043
4044 /*********************************************************************
4045 * remove (MSVCRT.@)
4046 */
4047 int CDECL MSVCRT_remove(const char *path)
4048 {
4049 TRACE("(%s)\n",path);
4050 if (DeleteFileA(path))
4051 return 0;
4052 TRACE(":failed (%d)\n",GetLastError());
4053 msvcrt_set_errno(GetLastError());
4054 return -1;
4055 }
4056
4057 /*********************************************************************
4058 * _wremove (MSVCRT.@)
4059 */
4060 int CDECL MSVCRT__wremove(const MSVCRT_wchar_t *path)
4061 {
4062 TRACE("(%s)\n",debugstr_w(path));
4063 if (DeleteFileW(path))
4064 return 0;
4065 TRACE(":failed (%d)\n",GetLastError());
4066 msvcrt_set_errno(GetLastError());
4067 return -1;
4068 }
4069
4070 /*********************************************************************
4071 * rename (MSVCRT.@)
4072 */
4073 int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
4074 {
4075 TRACE(":from %s to %s\n",oldpath,newpath);
4076 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
4077 return 0;
4078 TRACE(":failed (%d)\n",GetLastError());
4079 msvcrt_set_errno(GetLastError());
4080 return -1;
4081 }
4082
4083 /*********************************************************************
4084 * _wrename (MSVCRT.@)
4085 */
4086 int CDECL MSVCRT__wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
4087 {
4088 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
4089 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
4090 return 0;
4091 TRACE(":failed (%d)\n",GetLastError());
4092 msvcrt_set_errno(GetLastError());
4093 return -1;
4094 }
4095
4096 /*********************************************************************
4097 * setvbuf (MSVCRT.@)
4098 */
4099 int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
4100 {
4101 MSVCRT__lock_file(file);
4102 if(file->_bufsiz) {
4103 MSVCRT_free(file->_base);
4104 file->_bufsiz = 0;
4105 file->_cnt = 0;
4106 }
4107 if(mode == MSVCRT__IOFBF) {
4108 file->_flag &= ~MSVCRT__IONBF;
4109 file->_base = file->_ptr = buf;
4110 if(buf) {
4111 file->_bufsiz = size;
4112 }
4113 } else {
4114 file->_flag |= MSVCRT__IONBF;
4115 }
4116 MSVCRT__unlock_file(file);
4117 return 0;
4118 }
4119
4120 /*********************************************************************
4121 * setbuf (MSVCRT.@)
4122 */
4123 void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
4124 {
4125 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
4126 }
4127
4128 /*********************************************************************
4129 * tmpnam (MSVCRT.@)
4130 */
4131 char * CDECL MSVCRT_tmpnam(char *s)
4132 {
4133 char tmpstr[16];
4134 char *p;
4135 int count, size;
4136
4137 if (!s) {
4138 thread_data_t *data = msvcrt_get_thread_data();
4139
4140 if(!data->tmpnam_buffer)
4141 data->tmpnam_buffer = MSVCRT_malloc(MAX_PATH);
4142
4143 s = data->tmpnam_buffer;
4144 }
4145
4146 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
4147 p = s + sprintf(s, "\\s%s.", tmpstr);
4148 for (count = 0; count < MSVCRT_TMP_MAX; count++)
4149 {
4150 size = msvcrt_int_to_base32(tmpnam_unique++, tmpstr);
4151 memcpy(p, tmpstr, size);
4152 p[size] = '\0';
4153 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
4154 GetLastError() == ERROR_FILE_NOT_FOUND)
4155 break;
4156 }
4157 return s;
4158 }
4159
4160 /*********************************************************************
4161 * _wtmpnam (MSVCRT.@)
4162 */
4163 MSVCRT_wchar_t * CDECL MSVCRT_wtmpnam(MSVCRT_wchar_t *s)
4164 {
4165 static const MSVCRT_wchar_t format[] = {'\\','s','%','s','.',0};
4166 MSVCRT_wchar_t tmpstr[16];
4167 MSVCRT_wchar_t *p;
4168 int count, size;
4169 if (!s) {
4170 thread_data_t *data = msvcrt_get_thread_data();
4171
4172 if(!data->wtmpnam_buffer)
4173 data->wtmpnam_buffer = MSVCRT_malloc(sizeof(MSVCRT_wchar_t[MAX_PATH]));
4174
4175 s = data->wtmpnam_buffer;
4176 }
4177
4178 msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr);
4179 p = s + MSVCRT__snwprintf(s, MAX_PATH, format, tmpstr);
4180 for (count = 0; count < MSVCRT_TMP_MAX; count++)
4181 {
4182 size = msvcrt_int_to_base32_w(tmpnam_unique++, tmpstr);
4183 memcpy(p, tmpstr, size*sizeof(MSVCRT_wchar_t));
4184 p[size] = '\0';
4185 if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
4186 GetLastError() == ERROR_FILE_NOT_FOUND)
4187 break;
4188 }
4189 return s;
4190 }
4191
4192 /*********************************************************************
4193 * tmpfile (MSVCRT.@)
4194 */
4195 MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
4196 {
4197 char *filename = MSVCRT_tmpnam(NULL);
4198 int fd;
4199 MSVCRT_FILE* file = NULL;
4200
4201 LOCK_FILES();
4202 fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY,
4203 MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
4204 if (fd != -1 && (file = msvcrt_alloc_fp()))
4205 {
4206 if (msvcrt_init_fp(file, fd, MSVCRT__IORW) == -1)
4207 {
4208 file->_flag = 0;
4209 file = NULL;
4210 }
4211 else file->_tmpfname = MSVCRT__strdup(filename);
4212 }
4213
4214 if(fd != -1 && !file)
4215 MSVCRT__close(fd);
4216 UNLOCK_FILES();
4217 return file;
4218 }
4219
4220 /*********************************************************************
4221 * tmpfile_s (MSVCRT.@)
4222 */
4223 int CDECL MSVCRT_tmpfile_s(MSVCRT_FILE** file)
4224 {
4225 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
4226
4227 *file = MSVCRT_tmpfile();
4228 return 0;
4229 }
4230
4231 static int puts_clbk_file_a(void *file, int len, const char *str)
4232 {
4233 return MSVCRT_fwrite(str, sizeof(char), len, file);
4234 }
4235
4236 static int puts_clbk_file_w(void *file, int len, const MSVCRT_wchar_t *str)
4237 {
4238 int i, ret;
4239
4240 MSVCRT__lock_file(file);
4241
4242 if(!(msvcrt_get_ioinfo(((MSVCRT_FILE*)file)->_file)->wxflag & WX_TEXT)) {
4243 ret = MSVCRT_fwrite(str, sizeof(MSVCRT_wchar_t), len, file);
4244 MSVCRT__unlock_file(file);
4245 return ret;
4246 }
4247
4248 for(i=0; i<len; i++) {
4249 if(MSVCRT_fputwc(str[i], file) == MSVCRT_WEOF) {
4250 MSVCRT__unlock_file(file);
4251 return -1;
4252 }
4253 }
4254
4255 MSVCRT__unlock_file(file);
4256 return len;
4257 }
4258
4259 /*********************************************************************
4260 * vfprintf (MSVCRT.@)
4261 */
4262 int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
4263 {
4264 int ret;
4265
4266 MSVCRT__lock_file(file);
4267 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4268 MSVCRT__unlock_file(file);
4269
4270 return ret;
4271 }
4272
4273 /*********************************************************************
4274 * vfprintf_s (MSVCRT.@)
4275 */
4276 int CDECL MSVCRT_vfprintf_s(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
4277 {
4278 int ret;
4279
4280 if(!MSVCRT_CHECK_PMT(file != NULL)) return -1;
4281
4282 MSVCRT__lock_file(file);
4283 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
4284 MSVCRT__unlock_file(file);
4285
4286 return ret;
4287 }
4288
4289 /*********************************************************************
4290 * vfwprintf (MSVCRT.@)
4291 */
4292 int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
4293 {
4294 int ret;
4295
4296 MSVCRT__lock_file(file);
4297 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4298 MSVCRT__unlock_file(file);
4299
4300 return ret;
4301 }
4302
4303 /*********************************************************************
4304 * vfwprintf_s (MSVCRT.@)
4305 */
4306 int CDECL MSVCRT_vfwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
4307 {
4308 int ret;
4309
4310 if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
4311
4312 MSVCRT__lock_file(file);
4313 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
4314 MSVCRT__unlock_file(file);
4315
4316 return ret;
4317 }
4318
4319 /*********************************************************************
4320 * _vfwprintf_l (MSVCRT.@)
4321 */
4322 int CDECL MSVCRT__vfwprintf_l(MSVCRT_FILE* file, const MSVCRT_wchar_t *format,
4323 MSVCRT__locale_t locale, __ms_va_list valist)
4324 {
4325 int ret;
4326
4327 if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
4328
4329 MSVCRT__lock_file(file);
4330 ret = pf_printf_w(puts_clbk_file_w, file, format, locale, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4331 MSVCRT__unlock_file(file);
4332
4333 return ret;
4334 }
4335
4336 /*********************************************************************
4337 * vprintf (MSVCRT.@)
4338 */
4339 int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
4340 {
4341 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
4342 }
4343
4344 /*********************************************************************
4345 * vprintf_s (MSVCRT.@)
4346 */
4347 int CDECL MSVCRT_vprintf_s(const char *format, __ms_va_list valist)
4348 {
4349 return MSVCRT_vfprintf_s(MSVCRT_stdout,format,valist);
4350 }
4351
4352 /*********************************************************************
4353 * vwprintf (MSVCRT.@)
4354 */
4355 int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
4356 {
4357 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
4358 }
4359
4360 /*********************************************************************
4361 * vwprintf_s (MSVCRT.@)
4362 */
4363 int CDECL MSVCRT_vwprintf_s(const MSVCRT_wchar_t *format, __ms_va_list valist)
4364 {
4365 return MSVCRT_vfwprintf_s(MSVCRT_stdout,format,valist);
4366 }
4367
4368 /*********************************************************************
4369 * fprintf (MSVCRT.@)
4370 */
4371 int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
4372 {
4373 __ms_va_list valist;
4374 int res;
4375 __ms_va_start(valist, format);
4376 res = MSVCRT_vfprintf(file, format, valist);
4377 __ms_va_end(valist);
4378 return res;
4379 }
4380
4381 /*********************************************************************
4382 * fprintf_s (MSVCRT.@)
4383 */
4384 int CDECL MSVCRT_fprintf_s(MSVCRT_FILE* file, const char *format, ...)
4385 {
4386 __ms_va_list valist;
4387 int res;
4388 __ms_va_start(valist, format);
4389 res = MSVCRT_vfprintf_s(file, format, valist);
4390 __ms_va_end(valist);
4391 return res;
4392 }
4393
4394 /*********************************************************************
4395 * fwprintf (MSVCRT.@)
4396 */
4397 int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
4398 {
4399 __ms_va_list valist;
4400 int res;
4401 __ms_va_start(valist, format);
4402 res = MSVCRT_vfwprintf(file, format, valist);
4403 __ms_va_end(valist);
4404 return res;
4405 }
4406
4407 /*********************************************************************
4408 * fwprintf_s (MSVCRT.@)
4409 */
4410 int CDECL MSVCRT_fwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
4411 {
4412 __ms_va_list valist;
4413 int res;
4414 __ms_va_start(valist, format);
4415 res = MSVCRT_vfwprintf_s(file, format, valist);
4416 __ms_va_end(valist);
4417 return res;
4418 }
4419
4420 /*********************************************************************
4421 * _fwprintf_l (MSVCRT.@)
4422 */
4423 int CDECL MSVCRT__fwprintf_l(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, ...)
4424 {
4425 __ms_va_list valist;
4426 int res;
4427 __ms_va_start(valist, locale);
4428 res = MSVCRT__vfwprintf_l(file, format, locale, valist);
4429 __ms_va_end(valist);
4430 return res;
4431 }
4432
4433 /*********************************************************************
4434 * printf (MSVCRT.@)
4435 */
4436 int CDECL MSVCRT_printf(const char *format, ...)
4437 {
4438 __ms_va_list valist;
4439 int res;
4440 __ms_va_start(valist, format);
4441 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
4442 __ms_va_end(valist);
4443 return res;
4444 }
4445
4446 /*********************************************************************
4447 * printf_s (MSVCRT.@)
4448 */
4449 int CDECL MSVCRT_printf_s(const char *format, ...)
4450 {
4451 __ms_va_list valist;
4452 int res;
4453 __ms_va_start(valist, format);
4454 res = MSVCRT_vprintf_s(format, valist);
4455 __ms_va_end(valist);
4456 return res;
4457 }
4458
4459 /*********************************************************************
4460 * ungetc (MSVCRT.@)
4461 */
4462 int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
4463 {
4464 if (c == MSVCRT_EOF)
4465 return MSVCRT_EOF;
4466
4467 MSVCRT__lock_file(file);
4468 if(file->_bufsiz == 0) {
4469 msvcrt_alloc_buffer(file);
4470 file->_ptr++;
4471 }
4472 if(file->_ptr>file->_base) {
4473 file->_ptr--;
4474 *file->_ptr=c;
4475 file->_cnt++;
4476 MSVCRT_clearerr(file);
4477 MSVCRT__unlock_file(file);
4478 return c;
4479 }
4480
4481 MSVCRT__unlock_file(file);
4482 return MSVCRT_EOF;
4483 }
4484
4485 /*********************************************************************
4486 * ungetwc (MSVCRT.@)
4487 */
4488 MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
4489 {
4490 MSVCRT_wchar_t mwc = wc;
4491 unsigned char * pp = (unsigned char *)&mwc;
4492 int i;
4493
4494 if (wc == MSVCRT_WEOF)
4495 return MSVCRT_WEOF;
4496
4497 MSVCRT__lock_file(file);
4498 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
4499 if(pp[i] != MSVCRT_ungetc(pp[i],file)) {
4500 MSVCRT__unlock_file(file);
4501 return MSVCRT_WEOF;
4502 }
4503 }
4504
4505 MSVCRT__unlock_file(file);
4506 return mwc;
4507 }
4508
4509 /*********************************************************************
4510 * wprintf (MSVCRT.@)
4511 */
4512 int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
4513 {
4514 __ms_va_list valist;
4515 int res;
4516 __ms_va_start(valist, format);
4517 res = MSVCRT_vwprintf(format, valist);
4518 __ms_va_end(valist);
4519 return res;
4520 }
4521
4522 /*********************************************************************
4523 * wprintf_s (MSVCRT.@)
4524 */
4525 int CDECL MSVCRT_wprintf_s(const MSVCRT_wchar_t *format, ...)
4526 {
4527 __ms_va_list valist;
4528 int res;
4529 __ms_va_start(valist, format);
4530 res = MSVCRT_vwprintf_s(format, valist);
4531 __ms_va_end(valist);
4532 return res;
4533 }
4534
4535 /*********************************************************************
4536 * _getmaxstdio (MSVCRT.@)
4537 */
4538 int CDECL MSVCRT__getmaxstdio(void)
4539 {
4540 return MSVCRT_max_streams;
4541 }
4542
4543 /*********************************************************************
4544 * _setmaxstdio (MSVCRT.@)
4545 */
4546 int CDECL MSVCRT__setmaxstdio(int newmax)
4547 {
4548 TRACE("%d\n", newmax);
4549
4550 if(newmax<_IOB_ENTRIES || newmax>MSVCRT_MAX_FILES || newmax<MSVCRT_stream_idx)
4551 return -1;
4552
4553 MSVCRT_max_streams = newmax;
4554 return MSVCRT_max_streams;
4555 }
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