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msvcrt: Allocate FILE tables dynamically.
[wine/multimedia.git] / dlls / msvcrt / file.c
blobbf98579d53fbe94732694fe33d1d21d0ecf4ab7a
1 /*
2 * msvcrt.dll file functions
3 *
4 * Copyright 1996,1998 Marcus Meissner
5 * Copyright 1996 Jukka Iivonen
6 * Copyright 1997,2000 Uwe Bonnes
7 * Copyright 2000 Jon Griffiths
8 * Copyright 2004 Eric Pouech
9 * Copyright 2004 Juan Lang
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 *
25 * TODO
26 * Use the file flag hints O_SEQUENTIAL, O_RANDOM, O_SHORT_LIVED
27 */
28
29 #include "config.h"
30 #include "wine/port.h"
31
32 #include <time.h>
33 #include <stdarg.h>
34 #include <stdio.h>
35 #ifdef HAVE_UNISTD_H
36 # include <unistd.h>
37 #endif
38 #include <sys/types.h>
39
40 #include "windef.h"
41 #include "winbase.h"
42 #include "winternl.h"
43 #include "msvcrt.h"
44 #include "mtdll.h"
45
46 #include "wine/unicode.h"
47
48 #include "wine/debug.h"
49
50 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
51
52 /* for stat mode, permissions apply to all,owner and group */
53 #define ALL_S_IREAD (MSVCRT__S_IREAD | (MSVCRT__S_IREAD >> 3) | (MSVCRT__S_IREAD >> 6))
54 #define ALL_S_IWRITE (MSVCRT__S_IWRITE | (MSVCRT__S_IWRITE >> 3) | (MSVCRT__S_IWRITE >> 6))
55 #define ALL_S_IEXEC (MSVCRT__S_IEXEC | (MSVCRT__S_IEXEC >> 3) | (MSVCRT__S_IEXEC >> 6))
56
57 /* _access() bit flags FIXME: incomplete */
58 #define MSVCRT_W_OK 0x02
59 #define MSVCRT_R_OK 0x04
60
61 /* values for wxflag in file descriptor */
62 #define WX_OPEN 0x01
63 #define WX_ATEOF 0x02
64 #define WX_READEOF 0x04 /* like ATEOF, but for underlying file rather than buffer */
65 #define WX_READCR 0x08 /* underlying file is at \r */
66 #define WX_DONTINHERIT 0x10
67 #define WX_APPEND 0x20
68 #define WX_TEXT 0x80
69
70 /* FIXME: this should be allocated dynamically */
71 #define MSVCRT_MAX_FILES 2048
72 #define MSVCRT_FD_BLOCK_SIZE 64
73
74 /* ioinfo structure size is different in msvcrXX.dll's */
75 typedef struct {
76 HANDLE handle;
77 unsigned char wxflag;
78 char unk1;
79 BOOL crit_init;
80 CRITICAL_SECTION crit;
81 } ioinfo;
82
83 /*********************************************************************
84 * __pioinfo (MSVCRT.@)
85 * array of pointers to ioinfo arrays [64]
86 */
87 ioinfo * MSVCRT___pioinfo[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { 0 };
88
89 /*********************************************************************
90 * __badioinfo (MSVCRT.@)
91 */
92 ioinfo MSVCRT___badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT };
93
94 static int MSVCRT_fdstart = 3; /* first unallocated fd */
95 static int MSVCRT_fdend = 3; /* highest allocated fd */
96
97 typedef struct {
98 MSVCRT_FILE file;
99 CRITICAL_SECTION crit;
100 } file_crit;
101
102 MSVCRT_FILE MSVCRT__iob[_IOB_ENTRIES] = { { 0 } };
103 static file_crit* MSVCRT_fstream[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE];
104 static int MSVCRT_max_streams = 512, MSVCRT_stream_idx;
105
106 /* INTERNAL: process umask */
107 static int MSVCRT_umask = 0;
108
109 /* INTERNAL: static data for tmpnam and _wtmpname functions */
110 static int tmpnam_unique;
111 static char MSVCRT_tmpname[MAX_PATH];
112 static MSVCRT_wchar_t MSVCRT_wtmpname[MAX_PATH];
113
114 static const unsigned int EXE = 'e' << 16 | 'x' << 8 | 'e';
115 static const unsigned int BAT = 'b' << 16 | 'a' << 8 | 't';
116 static const unsigned int CMD = 'c' << 16 | 'm' << 8 | 'd';
117 static const unsigned int COM = 'c' << 16 | 'o' << 8 | 'm';
118
119 #define TOUL(x) (ULONGLONG)(x)
120 static const ULONGLONG WCEXE = TOUL('e') << 32 | TOUL('x') << 16 | TOUL('e');
121 static const ULONGLONG WCBAT = TOUL('b') << 32 | TOUL('a') << 16 | TOUL('t');
122 static const ULONGLONG WCCMD = TOUL('c') << 32 | TOUL('m') << 16 | TOUL('d');
123 static const ULONGLONG WCCOM = TOUL('c') << 32 | TOUL('o') << 16 | TOUL('m');
124
125 /* This critical section protects the tables MSVCRT___pioinfo and MSVCRT_fstreams,
126 * and their related indexes, MSVCRT_fdstart, MSVCRT_fdend,
127 * and MSVCRT_stream_idx, from race conditions.
128 * It doesn't protect against race conditions manipulating the underlying files
129 * or flags; doing so would probably be better accomplished with per-file
130 * protection, rather than locking the whole table for every change.
131 */
132 static CRITICAL_SECTION MSVCRT_file_cs;
133 #define LOCK_FILES() do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)
134 #define UNLOCK_FILES() do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)
135
136 static void msvcrt_stat64_to_stat(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat *buf)
137 {
138 buf->st_dev = buf64->st_dev;
139 buf->st_ino = buf64->st_ino;
140 buf->st_mode = buf64->st_mode;
141 buf->st_nlink = buf64->st_nlink;
142 buf->st_uid = buf64->st_uid;
143 buf->st_gid = buf64->st_gid;
144 buf->st_rdev = buf64->st_rdev;
145 buf->st_size = buf64->st_size;
146 buf->st_atime = buf64->st_atime;
147 buf->st_mtime = buf64->st_mtime;
148 buf->st_ctime = buf64->st_ctime;
149 }
150
151 static void msvcrt_stat64_to_stati64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stati64 *buf)
152 {
153 buf->st_dev = buf64->st_dev;
154 buf->st_ino = buf64->st_ino;
155 buf->st_mode = buf64->st_mode;
156 buf->st_nlink = buf64->st_nlink;
157 buf->st_uid = buf64->st_uid;
158 buf->st_gid = buf64->st_gid;
159 buf->st_rdev = buf64->st_rdev;
160 buf->st_size = buf64->st_size;
161 buf->st_atime = buf64->st_atime;
162 buf->st_mtime = buf64->st_mtime;
163 buf->st_ctime = buf64->st_ctime;
164 }
165
166 static void time_to_filetime( MSVCRT___time64_t time, FILETIME *ft )
167 {
168 /* 1601 to 1970 is 369 years plus 89 leap days */
169 static const __int64 secs_1601_to_1970 = ((369 * 365 + 89) * (__int64)86400);
170
171 __int64 ticks = (time + secs_1601_to_1970) * 10000000;
172 ft->dwHighDateTime = ticks >> 32;
173 ft->dwLowDateTime = ticks;
174 }
175
176 static inline ioinfo* msvcrt_get_ioinfo(int fd)
177 {
178 ioinfo *ret = NULL;
179 if(fd < MSVCRT_MAX_FILES)
180 ret = MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE];
181 if(!ret)
182 return &MSVCRT___badioinfo;
183
184 return ret + (fd%MSVCRT_FD_BLOCK_SIZE);
185 }
186
187 static inline MSVCRT_FILE* msvcrt_get_file(int i)
188 {
189 file_crit *ret;
190
191 if(i >= MSVCRT_max_streams)
192 return NULL;
193
194 if(i < _IOB_ENTRIES)
195 return &MSVCRT__iob[i];
196
197 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE];
198 if(!ret) {
199 MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(file_crit));
200 if(!MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE]) {
201 ERR("out of memory");
202 *MSVCRT__errno() = MSVCRT_ENOMEM;
203 return NULL;
204 }
205
206 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] + (i%MSVCRT_FD_BLOCK_SIZE);
207 } else
208 ret += i%MSVCRT_FD_BLOCK_SIZE;
209
210 return &ret->file;
211 }
212
213 static inline BOOL msvcrt_is_valid_fd(int fd)
214 {
215 return fd >= 0 && fd < MSVCRT_fdend && (msvcrt_get_ioinfo(fd)->wxflag & WX_OPEN);
216 }
217
218 /* INTERNAL: Get the HANDLE for a fd
219 * This doesn't lock the table, because a failure will result in
220 * INVALID_HANDLE_VALUE being returned, which should be handled correctly. If
221 * it returns a valid handle which is about to be closed, a subsequent call
222 * will fail, most likely in a sane way.
223 */
224 static HANDLE msvcrt_fdtoh(int fd)
225 {
226 if (!msvcrt_is_valid_fd(fd))
227 {
228 WARN(":fd (%d) - no handle!\n",fd);
229 *MSVCRT___doserrno() = 0;
230 *MSVCRT__errno() = MSVCRT_EBADF;
231 return INVALID_HANDLE_VALUE;
232 }
233 if (msvcrt_get_ioinfo(fd)->handle == INVALID_HANDLE_VALUE)
234 FIXME("returning INVALID_HANDLE_VALUE for %d\n", fd);
235 return msvcrt_get_ioinfo(fd)->handle;
236 }
237
238 /* INTERNAL: free a file entry fd */
239 static void msvcrt_free_fd(int fd)
240 {
241 HANDLE old_handle;
242 ioinfo *fdinfo;
243
244 LOCK_FILES();
245 fdinfo = msvcrt_get_ioinfo(fd);
246 old_handle = fdinfo->handle;
247 if(fdinfo != &MSVCRT___badioinfo)
248 {
249 fdinfo->handle = INVALID_HANDLE_VALUE;
250 fdinfo->wxflag = 0;
251 }
252 TRACE(":fd (%d) freed\n",fd);
253 if (fd < 3) /* don't use 0,1,2 for user files */
254 {
255 switch (fd)
256 {
257 case 0:
258 if (GetStdHandle(STD_INPUT_HANDLE) == old_handle) SetStdHandle(STD_INPUT_HANDLE, 0);
259 break;
260 case 1:
261 if (GetStdHandle(STD_OUTPUT_HANDLE) == old_handle) SetStdHandle(STD_OUTPUT_HANDLE, 0);
262 break;
263 case 2:
264 if (GetStdHandle(STD_ERROR_HANDLE) == old_handle) SetStdHandle(STD_ERROR_HANDLE, 0);
265 break;
266 }
267 }
268 else
269 {
270 if (fd == MSVCRT_fdend - 1)
271 MSVCRT_fdend--;
272 if (fd < MSVCRT_fdstart)
273 MSVCRT_fdstart = fd;
274 }
275 UNLOCK_FILES();
276 }
277
278 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */
279 /* caller must hold the files lock */
280 static int msvcrt_alloc_fd_from(HANDLE hand, int flag, int fd)
281 {
282 ioinfo *fdinfo;
283
284 if (fd >= MSVCRT_MAX_FILES)
285 {
286 WARN(":files exhausted!\n");
287 *MSVCRT__errno() = MSVCRT_ENFILE;
288 return -1;
289 }
290
291 fdinfo = msvcrt_get_ioinfo(fd);
292 if(fdinfo == &MSVCRT___badioinfo) {
293 int i;
294
295 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(ioinfo));
296 if(!MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE]) {
297 WARN(":out of memory!\n");
298 *MSVCRT__errno() = MSVCRT_ENOMEM;
299 return -1;
300 }
301
302 for(i=0; i<MSVCRT_FD_BLOCK_SIZE; i++)
303 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE][i].handle = INVALID_HANDLE_VALUE;
304
305 fdinfo = msvcrt_get_ioinfo(fd);
306 }
307
308 fdinfo->handle = hand;
309 fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT));
310
311 /* locate next free slot */
312 if (fd == MSVCRT_fdstart && fd == MSVCRT_fdend)
313 MSVCRT_fdstart = MSVCRT_fdend + 1;
314 else
315 while (MSVCRT_fdstart < MSVCRT_fdend &&
316 msvcrt_get_ioinfo(MSVCRT_fdstart)->handle != INVALID_HANDLE_VALUE)
317 MSVCRT_fdstart++;
318 /* update last fd in use */
319 if (fd >= MSVCRT_fdend)
320 MSVCRT_fdend = fd + 1;
321 TRACE("fdstart is %d, fdend is %d\n", MSVCRT_fdstart, MSVCRT_fdend);
322
323 switch (fd)
324 {
325 case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
326 case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
327 case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
328 }
329
330 return fd;
331 }
332
333 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
334 static int msvcrt_alloc_fd(HANDLE hand, int flag)
335 {
336 int ret;
337
338 LOCK_FILES();
339 TRACE(":handle (%p) allocating fd (%d)\n",hand,MSVCRT_fdstart);
340 ret = msvcrt_alloc_fd_from(hand, flag, MSVCRT_fdstart);
341 UNLOCK_FILES();
342 return ret;
343 }
344
345 /* INTERNAL: Allocate a FILE* for an fd slot */
346 /* caller must hold the files lock */
347 static MSVCRT_FILE* msvcrt_alloc_fp(void)
348 {
349 unsigned int i;
350 MSVCRT_FILE *file;
351
352 for (i = 3; i < MSVCRT_max_streams; i++)
353 {
354 file = msvcrt_get_file(i);
355 if (!file)
356 return NULL;
357
358 if (file->_flag == 0)
359 {
360 if (i == MSVCRT_stream_idx) MSVCRT_stream_idx++;
361 return file;
362 }
363 }
364
365 return NULL;
366 }
367
368 /* INTERNAL: initialize a FILE* from an open fd */
369 static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags)
370 {
371 TRACE(":fd (%d) allocating FILE*\n",fd);
372 if (!msvcrt_is_valid_fd(fd))
373 {
374 WARN(":invalid fd %d\n",fd);
375 *MSVCRT___doserrno() = 0;
376 *MSVCRT__errno() = MSVCRT_EBADF;
377 return -1;
378 }
379 memset(file, 0, sizeof(*file));
380 file->_file = fd;
381 file->_flag = stream_flags;
382
383 TRACE(":got FILE* (%p)\n",file);
384 return 0;
385 }
386
387 /* INTERNAL: Create an inheritance data block (for spawned process)
388 * The inheritance block is made of:
389 * 00 int nb of file descriptor (NBFD)
390 * 04 char file flags (wxflag): repeated for each fd
391 * 4+NBFD HANDLE file handle: repeated for each fd
392 */
393 unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block)
394 {
395 int fd;
396 char* wxflag_ptr;
397 HANDLE* handle_ptr;
398 ioinfo* fdinfo;
399
400 *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
401 *block = MSVCRT_calloc(*size, 1);
402 if (!*block)
403 {
404 *size = 0;
405 return FALSE;
406 }
407 wxflag_ptr = (char*)*block + sizeof(unsigned);
408 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
409
410 *(unsigned*)*block = MSVCRT_fdend;
411 for (fd = 0; fd < MSVCRT_fdend; fd++)
412 {
413 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
414 fdinfo = msvcrt_get_ioinfo(fd);
415 if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
416 {
417 *wxflag_ptr = fdinfo->wxflag;
418 *handle_ptr = fdinfo->handle;
419 }
420 else
421 {
422 *wxflag_ptr = 0;
423 *handle_ptr = INVALID_HANDLE_VALUE;
424 }
425 wxflag_ptr++; handle_ptr++;
426 }
427 return TRUE;
428 }
429
430 /* INTERNAL: Set up all file descriptors,
431 * as well as default streams (stdin, stderr and stdout)
432 */
433 void msvcrt_init_io(void)
434 {
435 STARTUPINFOA si;
436 int i;
437 ioinfo *fdinfo;
438
439 InitializeCriticalSection(&MSVCRT_file_cs);
440 MSVCRT_file_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs");
441 GetStartupInfoA(&si);
442 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
443 {
444 BYTE* wxflag_ptr;
445 HANDLE* handle_ptr;
446 unsigned int count;
447
448 count = *(unsigned*)si.lpReserved2;
449 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
450 handle_ptr = (HANDLE*)(wxflag_ptr + count);
451
452 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
453 count = min(count, MSVCRT_MAX_FILES);
454 for (i = 0; i < count; i++)
455 {
456 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
457 msvcrt_alloc_fd_from(*handle_ptr, *wxflag_ptr, i);
458
459 wxflag_ptr++; handle_ptr++;
460 }
461 MSVCRT_fdend = max( 3, count );
462 for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
463 if (msvcrt_get_ioinfo(MSVCRT_fdstart)->handle == INVALID_HANDLE_VALUE) break;
464 }
465
466 if(!MSVCRT___pioinfo[0])
467 msvcrt_alloc_fd_from(INVALID_HANDLE_VALUE, 0, 3);
468
469 fdinfo = msvcrt_get_ioinfo(0);
470 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
471 {
472 HANDLE std = GetStdHandle(STD_INPUT_HANDLE);
473 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
474 GetCurrentProcess(), &fdinfo->handle,
475 0, TRUE, DUPLICATE_SAME_ACCESS))
476 fdinfo->wxflag = WX_OPEN | WX_TEXT;
477 }
478
479 fdinfo = msvcrt_get_ioinfo(1);
480 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
481 {
482 HANDLE std = GetStdHandle(STD_OUTPUT_HANDLE);
483 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
484 GetCurrentProcess(), &fdinfo->handle,
485 0, TRUE, DUPLICATE_SAME_ACCESS))
486 fdinfo->wxflag = WX_OPEN | WX_TEXT;
487 }
488
489 fdinfo = msvcrt_get_ioinfo(2);
490 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
491 {
492 HANDLE std = GetStdHandle(STD_ERROR_HANDLE);
493 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
494 GetCurrentProcess(), &fdinfo->handle,
495 0, TRUE, DUPLICATE_SAME_ACCESS))
496 fdinfo->wxflag = WX_OPEN | WX_TEXT;
497 }
498
499 TRACE(":handles (%p)(%p)(%p)\n", msvcrt_get_ioinfo(0)->handle,
500 msvcrt_get_ioinfo(1)->handle, msvcrt_get_ioinfo(2)->handle);
501
502 memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
503 for (i = 0; i < 3; i++)
504 {
505 /* FILE structs for stdin/out/err are static and never deleted */
506 MSVCRT__iob[i]._file = i;
507 MSVCRT__iob[i]._tmpfname = NULL;
508 MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
509 }
510 MSVCRT_stream_idx = 3;
511 }
512
513 /* INTERNAL: Flush stdio file buffer */
514 static int msvcrt_flush_buffer(MSVCRT_FILE* file)
515 {
516 if(file->_bufsiz) {
517 int cnt=file->_ptr-file->_base;
518 if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) {
519 file->_flag |= MSVCRT__IOERR;
520 return MSVCRT_EOF;
521 }
522 file->_ptr=file->_base;
523 file->_cnt=file->_bufsiz;
524 }
525 return 0;
526 }
527
528 /* INTERNAL: Allocate stdio file buffer */
529 static void msvcrt_alloc_buffer(MSVCRT_FILE* file)
530 {
531 file->_base = MSVCRT_calloc(MSVCRT_BUFSIZ,1);
532 if(file->_base) {
533 file->_bufsiz = MSVCRT_BUFSIZ;
534 file->_flag |= MSVCRT__IOMYBUF;
535 } else {
536 file->_base = (char*)(&file->_charbuf);
537 /* put here 2 ??? */
538 file->_bufsiz = sizeof(file->_charbuf);
539 }
540 file->_ptr = file->_base;
541 file->_cnt = 0;
542 }
543
544 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
545 static int msvcrt_int_to_base32(int num, char *str)
546 {
547 char *p;
548 int n = num;
549 int digits = 0;
550
551 while (n != 0)
552 {
553 n >>= 5;
554 digits++;
555 }
556 p = str + digits;
557 *p = 0;
558 while (--p >= str)
559 {
560 *p = (num & 31) + '0';
561 if (*p > '9')
562 *p += ('a' - '0' - 10);
563 num >>= 5;
564 }
565
566 return digits;
567 }
568
569 /* INTERNAL: wide character version of msvcrt_int_to_base32 */
570 static int msvcrt_int_to_base32_w(int num, MSVCRT_wchar_t *str)
571 {
572 MSVCRT_wchar_t *p;
573 int n = num;
574 int digits = 0;
575
576 while (n != 0)
577 {
578 n >>= 5;
579 digits++;
580 }
581 p = str + digits;
582 *p = 0;
583 while (--p >= str)
584 {
585 *p = (num & 31) + '0';
586 if (*p > '9')
587 *p += ('a' - '0' - 10);
588 num >>= 5;
589 }
590
591 return digits;
592 }
593
594 /*********************************************************************
595 * __iob_func(MSVCRT.@)
596 */
597 MSVCRT_FILE * CDECL MSVCRT___iob_func(void)
598 {
599 return &MSVCRT__iob[0];
600 }
601
602 /*********************************************************************
603 * _access (MSVCRT.@)
604 */
605 int CDECL MSVCRT__access(const char *filename, int mode)
606 {
607 DWORD attr = GetFileAttributesA(filename);
608
609 TRACE("(%s,%d) %d\n",filename,mode,attr);
610
611 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
612 {
613 msvcrt_set_errno(GetLastError());
614 return -1;
615 }
616 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
617 {
618 msvcrt_set_errno(ERROR_ACCESS_DENIED);
619 return -1;
620 }
621 return 0;
622 }
623
624 /*********************************************************************
625 * _access_s (MSVCRT.@)
626 */
627 int CDECL _access_s(const char *filename, int mode)
628 {
629 if (!MSVCRT_CHECK_PMT(filename != NULL) ||
630 !MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0))
631 {
632 *MSVCRT__errno() = MSVCRT_EINVAL;
633 return -1;
634 }
635
636 return MSVCRT__access(filename, mode);
637 }
638
639 /*********************************************************************
640 * _waccess (MSVCRT.@)
641 */
642 int CDECL _waccess(const MSVCRT_wchar_t *filename, int mode)
643 {
644 DWORD attr = GetFileAttributesW(filename);
645
646 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
647
648 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
649 {
650 msvcrt_set_errno(GetLastError());
651 return -1;
652 }
653 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
654 {
655 msvcrt_set_errno(ERROR_ACCESS_DENIED);
656 return -1;
657 }
658 return 0;
659 }
660
661 /*********************************************************************
662 * _waccess_s (MSVCRT.@)
663 */
664 int CDECL _waccess_s(const MSVCRT_wchar_t *filename, int mode)
665 {
666 if (!MSVCRT_CHECK_PMT(filename != NULL) ||
667 !MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0))
668 {
669 *MSVCRT__errno() = MSVCRT_EINVAL;
670 return -1;
671 }
672
673 return _waccess(filename, mode);
674 }
675
676 /*********************************************************************
677 * _chmod (MSVCRT.@)
678 */
679 int CDECL MSVCRT__chmod(const char *path, int flags)
680 {
681 DWORD oldFlags = GetFileAttributesA(path);
682
683 if (oldFlags != INVALID_FILE_ATTRIBUTES)
684 {
685 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
686 oldFlags | FILE_ATTRIBUTE_READONLY;
687
688 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
689 return 0;
690 }
691 msvcrt_set_errno(GetLastError());
692 return -1;
693 }
694
695 /*********************************************************************
696 * _wchmod (MSVCRT.@)
697 */
698 int CDECL _wchmod(const MSVCRT_wchar_t *path, int flags)
699 {
700 DWORD oldFlags = GetFileAttributesW(path);
701
702 if (oldFlags != INVALID_FILE_ATTRIBUTES)
703 {
704 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
705 oldFlags | FILE_ATTRIBUTE_READONLY;
706
707 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
708 return 0;
709 }
710 msvcrt_set_errno(GetLastError());
711 return -1;
712 }
713
714 /*********************************************************************
715 * _unlink (MSVCRT.@)
716 */
717 int CDECL MSVCRT__unlink(const char *path)
718 {
719 TRACE("%s\n",debugstr_a(path));
720 if(DeleteFileA(path))
721 return 0;
722 TRACE("failed (%d)\n",GetLastError());
723 msvcrt_set_errno(GetLastError());
724 return -1;
725 }
726
727 /*********************************************************************
728 * _wunlink (MSVCRT.@)
729 */
730 int CDECL _wunlink(const MSVCRT_wchar_t *path)
731 {
732 TRACE("(%s)\n",debugstr_w(path));
733 if(DeleteFileW(path))
734 return 0;
735 TRACE("failed (%d)\n",GetLastError());
736 msvcrt_set_errno(GetLastError());
737 return -1;
738 }
739
740 /* _flushall calls MSVCRT_fflush which calls _flushall */
741 int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
742
743 /*********************************************************************
744 * _flushall (MSVCRT.@)
745 */
746 int CDECL _flushall(void)
747 {
748 int i, num_flushed = 0;
749 MSVCRT_FILE *file;
750
751 LOCK_FILES();
752 for (i = 3; i < MSVCRT_stream_idx; i++) {
753 file = msvcrt_get_file(i);
754
755 if (file->_flag)
756 {
757 if(file->_flag & MSVCRT__IOWRT) {
758 MSVCRT_fflush(file);
759 num_flushed++;
760 }
761 }
762 }
763 UNLOCK_FILES();
764
765 TRACE(":flushed (%d) handles\n",num_flushed);
766 return num_flushed;
767 }
768
769 /*********************************************************************
770 * fflush (MSVCRT.@)
771 */
772 int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
773 {
774 if(!file) {
775 _flushall();
776 } else if(file->_flag & MSVCRT__IOWRT) {
777 int res=msvcrt_flush_buffer(file);
778 return res;
779 }
780 return 0;
781 }
782
783 /*********************************************************************
784 * _close (MSVCRT.@)
785 */
786 int CDECL MSVCRT__close(int fd)
787 {
788 HANDLE hand;
789 int ret;
790
791 LOCK_FILES();
792 hand = msvcrt_fdtoh(fd);
793 TRACE(":fd (%d) handle (%p)\n",fd,hand);
794 if (hand == INVALID_HANDLE_VALUE)
795 ret = -1;
796 else if (!CloseHandle(hand))
797 {
798 WARN(":failed-last error (%d)\n",GetLastError());
799 msvcrt_set_errno(GetLastError());
800 ret = -1;
801 }
802 else
803 {
804 msvcrt_free_fd(fd);
805 ret = 0;
806 }
807 UNLOCK_FILES();
808 TRACE(":ok\n");
809 return ret;
810 }
811
812 /*********************************************************************
813 * _commit (MSVCRT.@)
814 */
815 int CDECL _commit(int fd)
816 {
817 HANDLE hand = msvcrt_fdtoh(fd);
818
819 TRACE(":fd (%d) handle (%p)\n",fd,hand);
820 if (hand == INVALID_HANDLE_VALUE)
821 return -1;
822
823 if (!FlushFileBuffers(hand))
824 {
825 if (GetLastError() == ERROR_INVALID_HANDLE)
826 {
827 /* FlushFileBuffers fails for console handles
828 * so we ignore this error.
829 */
830 return 0;
831 }
832 TRACE(":failed-last error (%d)\n",GetLastError());
833 msvcrt_set_errno(GetLastError());
834 return -1;
835 }
836 TRACE(":ok\n");
837 return 0;
838 }
839
840 /*********************************************************************
841 * _dup2 (MSVCRT.@)
842 * NOTES
843 * MSDN isn't clear on this point, but the remarks for _pipe
844 * indicate file descriptors duplicated with _dup and _dup2 are always
845 * inheritable.
846 */
847 int CDECL MSVCRT__dup2(int od, int nd)
848 {
849 int ret;
850
851 TRACE("(od=%d, nd=%d)\n", od, nd);
852 LOCK_FILES();
853 if (nd < MSVCRT_MAX_FILES && nd >= 0 && msvcrt_is_valid_fd(od))
854 {
855 HANDLE handle;
856
857 if (DuplicateHandle(GetCurrentProcess(), msvcrt_get_ioinfo(od)->handle,
858 GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
859 {
860 int wxflag = msvcrt_get_ioinfo(od)->wxflag & ~MSVCRT__O_NOINHERIT;
861
862 if (msvcrt_is_valid_fd(nd))
863 MSVCRT__close(nd);
864 ret = msvcrt_alloc_fd_from(handle, wxflag, nd);
865 if (ret == -1)
866 {
867 CloseHandle(handle);
868 *MSVCRT__errno() = MSVCRT_EMFILE;
869 }
870 else
871 {
872 /* _dup2 returns 0, not nd, on success */
873 ret = 0;
874 }
875 }
876 else
877 {
878 ret = -1;
879 msvcrt_set_errno(GetLastError());
880 }
881 }
882 else
883 {
884 *MSVCRT__errno() = MSVCRT_EBADF;
885 ret = -1;
886 }
887 UNLOCK_FILES();
888 return ret;
889 }
890
891 /*********************************************************************
892 * _dup (MSVCRT.@)
893 */
894 int CDECL MSVCRT__dup(int od)
895 {
896 int fd, ret;
897
898 LOCK_FILES();
899 fd = MSVCRT_fdstart;
900 if (MSVCRT__dup2(od, fd) == 0)
901 ret = fd;
902 else
903 ret = -1;
904 UNLOCK_FILES();
905 return ret;
906 }
907
908 /*********************************************************************
909 * _eof (MSVCRT.@)
910 */
911 int CDECL _eof(int fd)
912 {
913 DWORD curpos,endpos;
914 LONG hcurpos,hendpos;
915 HANDLE hand = msvcrt_fdtoh(fd);
916
917 TRACE(":fd (%d) handle (%p)\n",fd,hand);
918
919 if (hand == INVALID_HANDLE_VALUE)
920 return -1;
921
922 if (msvcrt_get_ioinfo(fd)->wxflag & WX_ATEOF) return TRUE;
923
924 /* Otherwise we do it the hard way */
925 hcurpos = hendpos = 0;
926 curpos = SetFilePointer(hand, 0, &hcurpos, FILE_CURRENT);
927 endpos = SetFilePointer(hand, 0, &hendpos, FILE_END);
928
929 if (curpos == endpos && hcurpos == hendpos)
930 {
931 /* FIXME: shouldn't WX_ATEOF be set here? */
932 return TRUE;
933 }
934
935 SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN);
936 return FALSE;
937 }
938
939 /*********************************************************************
940 * _fcloseall (MSVCRT.@)
941 */
942 int CDECL MSVCRT__fcloseall(void)
943 {
944 int num_closed = 0, i;
945 MSVCRT_FILE *file;
946
947 LOCK_FILES();
948 for (i = 3; i < MSVCRT_stream_idx; i++) {
949 file = msvcrt_get_file(i);
950
951 if (file->_flag && !MSVCRT_fclose(file))
952 num_closed++;
953 }
954 UNLOCK_FILES();
955
956 TRACE(":closed (%d) handles\n",num_closed);
957 return num_closed;
958 }
959
960 /* free everything on process exit */
961 void msvcrt_free_io(void)
962 {
963 int i;
964
965 MSVCRT__fcloseall();
966 /* The Win32 _fcloseall() function explicitly doesn't close stdin,
967 * stdout, and stderr (unlike GNU), so we need to fclose() them here
968 * or they won't get flushed.
969 */
970 MSVCRT_fclose(&MSVCRT__iob[0]);
971 MSVCRT_fclose(&MSVCRT__iob[1]);
972 MSVCRT_fclose(&MSVCRT__iob[2]);
973
974 for(i=0; i<sizeof(MSVCRT___pioinfo)/sizeof(MSVCRT___pioinfo[0]); i++)
975 MSVCRT_free(MSVCRT___pioinfo[i]);
976
977 for(i=0; i<sizeof(MSVCRT_fstream)/sizeof(MSVCRT_fstream[0]); i++)
978 MSVCRT_free(MSVCRT_fstream[i]);
979
980 MSVCRT_file_cs.DebugInfo->Spare[0] = 0;
981 DeleteCriticalSection(&MSVCRT_file_cs);
982 }
983
984 /*********************************************************************
985 * _lseeki64 (MSVCRT.@)
986 */
987 __int64 CDECL MSVCRT__lseeki64(int fd, __int64 offset, int whence)
988 {
989 HANDLE hand = msvcrt_fdtoh(fd);
990 LARGE_INTEGER ofs;
991
992 TRACE(":fd (%d) handle (%p)\n",fd,hand);
993 if (hand == INVALID_HANDLE_VALUE)
994 return -1;
995
996 if (whence < 0 || whence > 2)
997 {
998 *MSVCRT__errno() = MSVCRT_EINVAL;
999 return -1;
1000 }
1001
1002 TRACE(":fd (%d) to %s pos %s\n",
1003 fd,wine_dbgstr_longlong(offset),
1004 (whence==SEEK_SET)?"SEEK_SET":
1005 (whence==SEEK_CUR)?"SEEK_CUR":
1006 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
1007
1008 /* The MoleBox protection scheme expects msvcrt to use SetFilePointer only,
1009 * so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */
1010 ofs.QuadPart = offset;
1011 if ((ofs.u.LowPart = SetFilePointer(hand, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER ||
1012 GetLastError() == ERROR_SUCCESS)
1013 {
1014 msvcrt_get_ioinfo(fd)->wxflag &= ~(WX_ATEOF|WX_READEOF);
1015 /* FIXME: What if we seek _to_ EOF - is EOF set? */
1016
1017 return ofs.QuadPart;
1018 }
1019 TRACE(":error-last error (%d)\n",GetLastError());
1020 msvcrt_set_errno(GetLastError());
1021 return -1;
1022 }
1023
1024 /*********************************************************************
1025 * _lseek (MSVCRT.@)
1026 */
1027 LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence)
1028 {
1029 return MSVCRT__lseeki64(fd, offset, whence);
1030 }
1031
1032 /*********************************************************************
1033 * _lock_file (MSVCRT.@)
1034 */
1035 void CDECL MSVCRT__lock_file(MSVCRT_FILE *file)
1036 {
1037 FIXME("(%p) stub\n",file);
1038 }
1039
1040 /*********************************************************************
1041 * _unlock_file (MSVCRT.@)
1042 */
1043 void CDECL MSVCRT__unlock_file(MSVCRT_FILE *file)
1044 {
1045 FIXME("(%p) stub\n",file);
1046 }
1047
1048 /*********************************************************************
1049 * _locking (MSVCRT.@)
1050 *
1051 * This is untested; the underlying LockFile doesn't work yet.
1052 */
1053 int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes)
1054 {
1055 BOOL ret;
1056 DWORD cur_locn;
1057 HANDLE hand = msvcrt_fdtoh(fd);
1058
1059 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1060 if (hand == INVALID_HANDLE_VALUE)
1061 return -1;
1062
1063 if (mode < 0 || mode > 4)
1064 {
1065 *MSVCRT__errno() = MSVCRT_EINVAL;
1066 return -1;
1067 }
1068
1069 TRACE(":fd (%d) by 0x%08x mode %s\n",
1070 fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
1071 (mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
1072 (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
1073 (mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
1074 (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
1075 "UNKNOWN");
1076
1077 if ((cur_locn = SetFilePointer(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
1078 {
1079 FIXME ("Seek failed\n");
1080 *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
1081 return -1;
1082 }
1083 if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
1084 {
1085 int nretry = 10;
1086 ret = 1; /* just to satisfy gcc */
1087 while (nretry--)
1088 {
1089 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1090 if (ret) break;
1091 Sleep(1);
1092 }
1093 }
1094 else if (mode == MSVCRT__LK_UNLCK)
1095 ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L);
1096 else
1097 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1098 /* FIXME - what about error settings? */
1099 return ret ? 0 : -1;
1100 }
1101
1102 /*********************************************************************
1103 * _fseeki64 (MSVCRT.@)
1104 */
1105 int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence)
1106 {
1107 /* Flush output if needed */
1108 if(file->_flag & MSVCRT__IOWRT)
1109 msvcrt_flush_buffer(file);
1110
1111 if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
1112 offset -= file->_cnt;
1113 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
1114 /* Black magic correction for CR removal */
1115 int i;
1116 for (i=0; i<file->_cnt; i++) {
1117 if (file->_ptr[i] == '\n')
1118 offset--;
1119 }
1120 /* Black magic when reading CR at buffer boundary*/
1121 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
1122 offset--;
1123 }
1124 }
1125 /* Discard buffered input */
1126 file->_cnt = 0;
1127 file->_ptr = file->_base;
1128 /* Reset direction of i/o */
1129 if(file->_flag & MSVCRT__IORW) {
1130 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
1131 }
1132 /* Clear end of file flag */
1133 file->_flag &= ~MSVCRT__IOEOF;
1134 return (MSVCRT__lseeki64(file->_file,offset,whence) == -1)?-1:0;
1135 }
1136
1137 /*********************************************************************
1138 * fseek (MSVCRT.@)
1139 */
1140 int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
1141 {
1142 return MSVCRT__fseeki64( file, offset, whence );
1143 }
1144
1145 /*********************************************************************
1146 * _chsize (MSVCRT.@)
1147 */
1148 int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
1149 {
1150 LONG cur, pos;
1151 HANDLE handle;
1152 BOOL ret = FALSE;
1153
1154 TRACE("(fd=%d, size=%d)\n", fd, size);
1155
1156 LOCK_FILES();
1157
1158 handle = msvcrt_fdtoh(fd);
1159 if (handle != INVALID_HANDLE_VALUE)
1160 {
1161 /* save the current file pointer */
1162 cur = MSVCRT__lseek(fd, 0, SEEK_CUR);
1163 if (cur >= 0)
1164 {
1165 pos = MSVCRT__lseek(fd, size, SEEK_SET);
1166 if (pos >= 0)
1167 {
1168 ret = SetEndOfFile(handle);
1169 if (!ret) msvcrt_set_errno(GetLastError());
1170 }
1171
1172 /* restore the file pointer */
1173 MSVCRT__lseek(fd, cur, SEEK_SET);
1174 }
1175 }
1176
1177 UNLOCK_FILES();
1178 return ret ? 0 : -1;
1179 }
1180
1181 /*********************************************************************
1182 * clearerr (MSVCRT.@)
1183 */
1184 void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
1185 {
1186 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1187 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
1188 }
1189
1190 /*********************************************************************
1191 * rewind (MSVCRT.@)
1192 */
1193 void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
1194 {
1195 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1196 MSVCRT_fseek(file, 0L, SEEK_SET);
1197 MSVCRT_clearerr(file);
1198 }
1199
1200 static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags)
1201 {
1202 int plus = strchrW(mode, '+') != NULL;
1203
1204 switch(*mode++)
1205 {
1206 case 'R': case 'r':
1207 *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
1208 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
1209 break;
1210 case 'W': case 'w':
1211 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1212 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1213 break;
1214 case 'A': case 'a':
1215 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1216 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1217 break;
1218 default:
1219 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1220 *MSVCRT__errno() = MSVCRT_EINVAL;
1221 return -1;
1222 }
1223
1224 while (*mode)
1225 switch (*mode++)
1226 {
1227 case 'B': case 'b':
1228 *open_flags |= MSVCRT__O_BINARY;
1229 *open_flags &= ~MSVCRT__O_TEXT;
1230 break;
1231 case 'T': case 't':
1232 *open_flags |= MSVCRT__O_TEXT;
1233 *open_flags &= ~MSVCRT__O_BINARY;
1234 break;
1235 case '+':
1236 case ' ':
1237 break;
1238 default:
1239 FIXME(":unknown flag %c not supported\n",mode[-1]);
1240 }
1241 return 0;
1242 }
1243
1244 /*********************************************************************
1245 * _fdopen (MSVCRT.@)
1246 */
1247 MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode)
1248 {
1249 MSVCRT_FILE *ret;
1250 MSVCRT_wchar_t *modeW = NULL;
1251
1252 if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
1253
1254 ret = MSVCRT__wfdopen(fd, modeW);
1255
1256 MSVCRT_free(modeW);
1257 return ret;
1258 }
1259
1260 /*********************************************************************
1261 * _wfdopen (MSVCRT.@)
1262 */
1263 MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
1264 {
1265 int open_flags, stream_flags;
1266 MSVCRT_FILE* file;
1267
1268 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
1269
1270 LOCK_FILES();
1271 if (!(file = msvcrt_alloc_fp()))
1272 file = NULL;
1273 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
1274 {
1275 file->_flag = 0;
1276 file = NULL;
1277 }
1278 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
1279 UNLOCK_FILES();
1280
1281 return file;
1282 }
1283
1284 /*********************************************************************
1285 * _filelength (MSVCRT.@)
1286 */
1287 LONG CDECL MSVCRT__filelength(int fd)
1288 {
1289 LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR);
1290 if (curPos != -1)
1291 {
1292 LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END);
1293 if (endPos != -1)
1294 {
1295 if (endPos != curPos)
1296 MSVCRT__lseek(fd, curPos, SEEK_SET);
1297 return endPos;
1298 }
1299 }
1300 return -1;
1301 }
1302
1303 /*********************************************************************
1304 * _filelengthi64 (MSVCRT.@)
1305 */
1306 __int64 CDECL MSVCRT__filelengthi64(int fd)
1307 {
1308 __int64 curPos = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1309 if (curPos != -1)
1310 {
1311 __int64 endPos = MSVCRT__lseeki64(fd, 0, SEEK_END);
1312 if (endPos != -1)
1313 {
1314 if (endPos != curPos)
1315 MSVCRT__lseeki64(fd, curPos, SEEK_SET);
1316 return endPos;
1317 }
1318 }
1319 return -1;
1320 }
1321
1322 /*********************************************************************
1323 * _fileno (MSVCRT.@)
1324 */
1325 int CDECL MSVCRT__fileno(MSVCRT_FILE* file)
1326 {
1327 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
1328 return file->_file;
1329 }
1330
1331 /*********************************************************************
1332 * _fstat64 (MSVCRT.@)
1333 */
1334 int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf)
1335 {
1336 DWORD dw;
1337 DWORD type;
1338 BY_HANDLE_FILE_INFORMATION hfi;
1339 HANDLE hand = msvcrt_fdtoh(fd);
1340
1341 TRACE(":fd (%d) stat (%p)\n",fd,buf);
1342 if (hand == INVALID_HANDLE_VALUE)
1343 return -1;
1344
1345 if (!buf)
1346 {
1347 WARN(":failed-NULL buf\n");
1348 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1349 return -1;
1350 }
1351
1352 memset(&hfi, 0, sizeof(hfi));
1353 memset(buf, 0, sizeof(struct MSVCRT__stat64));
1354 type = GetFileType(hand);
1355 if (type == FILE_TYPE_PIPE)
1356 {
1357 buf->st_dev = buf->st_rdev = fd;
1358 buf->st_mode = S_IFIFO;
1359 buf->st_nlink = 1;
1360 }
1361 else if (type == FILE_TYPE_CHAR)
1362 {
1363 buf->st_dev = buf->st_rdev = fd;
1364 buf->st_mode = S_IFCHR;
1365 buf->st_nlink = 1;
1366 }
1367 else /* FILE_TYPE_DISK etc. */
1368 {
1369 if (!GetFileInformationByHandle(hand, &hfi))
1370 {
1371 WARN(":failed-last error (%d)\n",GetLastError());
1372 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1373 return -1;
1374 }
1375 buf->st_mode = S_IFREG | 0444;
1376 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1377 buf->st_mode |= 0222;
1378 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1379 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1380 buf->st_atime = dw;
1381 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1382 buf->st_mtime = buf->st_ctime = dw;
1383 buf->st_nlink = hfi.nNumberOfLinks;
1384 }
1385 TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
1386 buf->st_mode);
1387 return 0;
1388 }
1389
1390 /*********************************************************************
1391 * _fstati64 (MSVCRT.@)
1392 */
1393 int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
1394 {
1395 int ret;
1396 struct MSVCRT__stat64 buf64;
1397
1398 ret = MSVCRT__fstat64(fd, &buf64);
1399 if (!ret)
1400 msvcrt_stat64_to_stati64(&buf64, buf);
1401 return ret;
1402 }
1403
1404 /*********************************************************************
1405 * _fstat (MSVCRT.@)
1406 */
1407 int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
1408 { int ret;
1409 struct MSVCRT__stat64 buf64;
1410
1411 ret = MSVCRT__fstat64(fd, &buf64);
1412 if (!ret)
1413 msvcrt_stat64_to_stat(&buf64, buf);
1414 return ret;
1415 }
1416
1417 /*********************************************************************
1418 * _futime64 (MSVCRT.@)
1419 */
1420 int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t)
1421 {
1422 HANDLE hand = msvcrt_fdtoh(fd);
1423 FILETIME at, wt;
1424
1425 if (!t)
1426 {
1427 time_to_filetime( MSVCRT__time64(NULL), &at );
1428 wt = at;
1429 }
1430 else
1431 {
1432 time_to_filetime( t->actime, &at );
1433 time_to_filetime( t->modtime, &wt );
1434 }
1435
1436 if (!SetFileTime(hand, NULL, &at, &wt))
1437 {
1438 msvcrt_set_errno(GetLastError());
1439 return -1 ;
1440 }
1441 return 0;
1442 }
1443
1444 /*********************************************************************
1445 * _futime32 (MSVCRT.@)
1446 */
1447 int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t)
1448 {
1449 struct MSVCRT___utimbuf64 t64;
1450 t64.actime = t->actime;
1451 t64.modtime = t->modtime;
1452 return _futime64( fd, &t64 );
1453 }
1454
1455 /*********************************************************************
1456 * _futime (MSVCRT.@)
1457 */
1458 #ifdef _WIN64
1459 int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t)
1460 {
1461 return _futime64( fd, t );
1462 }
1463 #else
1464 int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t)
1465 {
1466 return _futime32( fd, t );
1467 }
1468 #endif
1469
1470 /*********************************************************************
1471 * _get_osfhandle (MSVCRT.@)
1472 */
1473 MSVCRT_intptr_t CDECL _get_osfhandle(int fd)
1474 {
1475 HANDLE hand = msvcrt_fdtoh(fd);
1476 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1477
1478 return (MSVCRT_intptr_t)hand;
1479 }
1480
1481 /*********************************************************************
1482 * _isatty (MSVCRT.@)
1483 */
1484 int CDECL _isatty(int fd)
1485 {
1486 HANDLE hand = msvcrt_fdtoh(fd);
1487
1488 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1489 if (hand == INVALID_HANDLE_VALUE)
1490 return 0;
1491
1492 return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
1493 }
1494
1495 /*********************************************************************
1496 * _mktemp (MSVCRT.@)
1497 */
1498 char * CDECL _mktemp(char *pattern)
1499 {
1500 int numX = 0;
1501 char *retVal = pattern;
1502 int id;
1503 char letter = 'a';
1504
1505 while(*pattern)
1506 numX = (*pattern++ == 'X')? numX + 1 : 0;
1507 if (numX < 5)
1508 return NULL;
1509 pattern--;
1510 id = GetCurrentProcessId();
1511 numX = 6;
1512 while(numX--)
1513 {
1514 int tempNum = id / 10;
1515 *pattern-- = id - (tempNum * 10) + '0';
1516 id = tempNum;
1517 }
1518 pattern++;
1519 do
1520 {
1521 *pattern = letter++;
1522 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES &&
1523 GetLastError() == ERROR_FILE_NOT_FOUND)
1524 return retVal;
1525 } while(letter <= 'z');
1526 return NULL;
1527 }
1528
1529 /*********************************************************************
1530 * _wmktemp (MSVCRT.@)
1531 */
1532 MSVCRT_wchar_t * CDECL _wmktemp(MSVCRT_wchar_t *pattern)
1533 {
1534 int numX = 0;
1535 MSVCRT_wchar_t *retVal = pattern;
1536 int id;
1537 MSVCRT_wchar_t letter = 'a';
1538
1539 while(*pattern)
1540 numX = (*pattern++ == 'X')? numX + 1 : 0;
1541 if (numX < 5)
1542 return NULL;
1543 pattern--;
1544 id = GetCurrentProcessId();
1545 numX = 6;
1546 while(numX--)
1547 {
1548 int tempNum = id / 10;
1549 *pattern-- = id - (tempNum * 10) + '0';
1550 id = tempNum;
1551 }
1552 pattern++;
1553 do
1554 {
1555 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES &&
1556 GetLastError() == ERROR_FILE_NOT_FOUND)
1557 return retVal;
1558 *pattern = letter++;
1559 } while(letter != '|');
1560 return NULL;
1561 }
1562
1563 static unsigned split_oflags(unsigned oflags)
1564 {
1565 int wxflags = 0;
1566 unsigned unsupp; /* until we support everything */
1567
1568 if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
1569 if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */}
1570 else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
1571 else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */}
1572 else wxflags |= WX_TEXT; /* default to TEXT*/
1573 if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1574
1575 if ((unsupp = oflags & ~(
1576 MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|
1577 MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT|
1578 MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY|
1579 MSVCRT__O_NOINHERIT|
1580 MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED
1581 )))
1582 ERR(":unsupported oflags 0x%04x\n",unsupp);
1583
1584 return wxflags;
1585 }
1586
1587 /*********************************************************************
1588 * _pipe (MSVCRT.@)
1589 */
1590 int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode)
1591 {
1592 int ret = -1;
1593 SECURITY_ATTRIBUTES sa;
1594 HANDLE readHandle, writeHandle;
1595
1596 if (!pfds)
1597 {
1598 *MSVCRT__errno() = MSVCRT_EINVAL;
1599 return -1;
1600 }
1601
1602 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
1603 sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT);
1604 sa.lpSecurityDescriptor = NULL;
1605 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
1606 {
1607 unsigned int wxflags = split_oflags(textmode);
1608 int fd;
1609
1610 LOCK_FILES();
1611 fd = msvcrt_alloc_fd(readHandle, wxflags);
1612 if (fd != -1)
1613 {
1614 pfds[0] = fd;
1615 fd = msvcrt_alloc_fd(writeHandle, wxflags);
1616 if (fd != -1)
1617 {
1618 pfds[1] = fd;
1619 ret = 0;
1620 }
1621 else
1622 {
1623 MSVCRT__close(pfds[0]);
1624 CloseHandle(writeHandle);
1625 *MSVCRT__errno() = MSVCRT_EMFILE;
1626 }
1627 }
1628 else
1629 {
1630 CloseHandle(readHandle);
1631 CloseHandle(writeHandle);
1632 *MSVCRT__errno() = MSVCRT_EMFILE;
1633 }
1634 UNLOCK_FILES();
1635 }
1636 else
1637 msvcrt_set_errno(GetLastError());
1638
1639 return ret;
1640 }
1641
1642 /*********************************************************************
1643 * _sopen_s (MSVCRT.@)
1644 */
1645 int CDECL MSVCRT__sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode )
1646 {
1647 DWORD access = 0, creation = 0, attrib;
1648 DWORD sharing;
1649 int wxflag;
1650 HANDLE hand;
1651 SECURITY_ATTRIBUTES sa;
1652
1653 TRACE("fd*: %p file: (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1654 fd, path, oflags, shflags, pmode);
1655
1656 if (!fd)
1657 {
1658 MSVCRT_INVALID_PMT("null out fd pointer");
1659 *MSVCRT__errno() = MSVCRT_EINVAL;
1660 return MSVCRT_EINVAL;
1661 }
1662
1663 *fd = -1;
1664 wxflag = split_oflags(oflags);
1665 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1666 {
1667 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1668 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1669 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1670 }
1671
1672 if (oflags & MSVCRT__O_CREAT)
1673 {
1674 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1675 FIXME(": pmode 0x%04x ignored\n", pmode);
1676 else
1677 WARN(": pmode 0x%04x ignored\n", pmode);
1678
1679 if (oflags & MSVCRT__O_EXCL)
1680 creation = CREATE_NEW;
1681 else if (oflags & MSVCRT__O_TRUNC)
1682 creation = CREATE_ALWAYS;
1683 else
1684 creation = OPEN_ALWAYS;
1685 }
1686 else /* no MSVCRT__O_CREAT */
1687 {
1688 if (oflags & MSVCRT__O_TRUNC)
1689 creation = TRUNCATE_EXISTING;
1690 else
1691 creation = OPEN_EXISTING;
1692 }
1693
1694 switch( shflags )
1695 {
1696 case MSVCRT__SH_DENYRW:
1697 sharing = 0L;
1698 break;
1699 case MSVCRT__SH_DENYWR:
1700 sharing = FILE_SHARE_READ;
1701 break;
1702 case MSVCRT__SH_DENYRD:
1703 sharing = FILE_SHARE_WRITE;
1704 break;
1705 case MSVCRT__SH_DENYNO:
1706 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1707 break;
1708 default:
1709 ERR( "Unhandled shflags 0x%x\n", shflags );
1710 return MSVCRT_EINVAL;
1711 }
1712 attrib = FILE_ATTRIBUTE_NORMAL;
1713
1714 if (oflags & MSVCRT__O_TEMPORARY)
1715 {
1716 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1717 access |= DELETE;
1718 sharing |= FILE_SHARE_DELETE;
1719 }
1720
1721 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1722 sa.lpSecurityDescriptor = NULL;
1723 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1724
1725 hand = CreateFileA(path, access, sharing, &sa, creation, attrib, 0);
1726 if (hand == INVALID_HANDLE_VALUE) {
1727 WARN(":failed-last error (%d)\n", GetLastError());
1728 msvcrt_set_errno(GetLastError());
1729 return *MSVCRT__errno();
1730 }
1731
1732 *fd = msvcrt_alloc_fd(hand, wxflag);
1733
1734 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
1735 return 0;
1736 }
1737
1738 /*********************************************************************
1739 * _sopen (MSVCRT.@)
1740 */
1741 int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
1742 {
1743 int pmode;
1744 int fd;
1745
1746 if (oflags & MSVCRT__O_CREAT)
1747 {
1748 __ms_va_list ap;
1749
1750 __ms_va_start(ap, shflags);
1751 pmode = va_arg(ap, int);
1752 __ms_va_end(ap);
1753 }
1754 else
1755 pmode = 0;
1756
1757 MSVCRT__sopen_s(&fd, path, oflags, shflags, pmode);
1758 return fd;
1759 }
1760
1761 /*********************************************************************
1762 * _wsopen_s (MSVCRT.@)
1763 */
1764 int CDECL MSVCRT__wsopen_s( int *fd, const MSVCRT_wchar_t* path, int oflags, int shflags, int pmode )
1765 {
1766 DWORD access = 0, creation = 0, attrib;
1767 SECURITY_ATTRIBUTES sa;
1768 DWORD sharing;
1769 int wxflag;
1770 HANDLE hand;
1771
1772 TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1773 fd, debugstr_w(path), oflags, shflags, pmode);
1774
1775 if (!fd)
1776 {
1777 MSVCRT_INVALID_PMT("null out fd pointer");
1778 *MSVCRT__errno() = MSVCRT_EINVAL;
1779 return MSVCRT_EINVAL;
1780 }
1781
1782 *fd = -1;
1783 wxflag = split_oflags(oflags);
1784 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1785 {
1786 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1787 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1788 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1789 }
1790
1791 if (oflags & MSVCRT__O_CREAT)
1792 {
1793 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1794 FIXME(": pmode 0x%04x ignored\n", pmode);
1795 else
1796 WARN(": pmode 0x%04x ignored\n", pmode);
1797
1798 if (oflags & MSVCRT__O_EXCL)
1799 creation = CREATE_NEW;
1800 else if (oflags & MSVCRT__O_TRUNC)
1801 creation = CREATE_ALWAYS;
1802 else
1803 creation = OPEN_ALWAYS;
1804 }
1805 else /* no MSVCRT__O_CREAT */
1806 {
1807 if (oflags & MSVCRT__O_TRUNC)
1808 creation = TRUNCATE_EXISTING;
1809 else
1810 creation = OPEN_EXISTING;
1811 }
1812
1813 switch( shflags )
1814 {
1815 case MSVCRT__SH_DENYRW:
1816 sharing = 0L;
1817 break;
1818 case MSVCRT__SH_DENYWR:
1819 sharing = FILE_SHARE_READ;
1820 break;
1821 case MSVCRT__SH_DENYRD:
1822 sharing = FILE_SHARE_WRITE;
1823 break;
1824 case MSVCRT__SH_DENYNO:
1825 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1826 break;
1827 default:
1828 ERR( "Unhandled shflags 0x%x\n", shflags );
1829 return MSVCRT_EINVAL;
1830 }
1831 attrib = FILE_ATTRIBUTE_NORMAL;
1832
1833 if (oflags & MSVCRT__O_TEMPORARY)
1834 {
1835 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1836 access |= DELETE;
1837 sharing |= FILE_SHARE_DELETE;
1838 }
1839
1840 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1841 sa.lpSecurityDescriptor = NULL;
1842 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1843
1844 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
1845
1846 if (hand == INVALID_HANDLE_VALUE) {
1847 WARN(":failed-last error (%d)\n",GetLastError());
1848 msvcrt_set_errno(GetLastError());
1849 msvcrt_set_errno(GetLastError());
1850 return *MSVCRT__errno();
1851 }
1852
1853 *fd = msvcrt_alloc_fd(hand, wxflag);
1854
1855 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
1856 return 0;
1857 }
1858
1859 /*********************************************************************
1860 * _wsopen (MSVCRT.@)
1861 */
1862 int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t *path, int oflags, int shflags, ... )
1863 {
1864 int pmode;
1865 int fd;
1866
1867 if (oflags & MSVCRT__O_CREAT)
1868 {
1869 __ms_va_list ap;
1870
1871 __ms_va_start(ap, shflags);
1872 pmode = va_arg(ap, int);
1873 __ms_va_end(ap);
1874 }
1875 else
1876 pmode = 0;
1877
1878 MSVCRT__wsopen_s(&fd, path, oflags, shflags, pmode);
1879 return fd;
1880 }
1881
1882 /*********************************************************************
1883 * _open (MSVCRT.@)
1884 */
1885 int CDECL MSVCRT__open( const char *path, int flags, ... )
1886 {
1887 __ms_va_list ap;
1888
1889 if (flags & MSVCRT__O_CREAT)
1890 {
1891 int pmode;
1892 __ms_va_start(ap, flags);
1893 pmode = va_arg(ap, int);
1894 __ms_va_end(ap);
1895 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1896 }
1897 else
1898 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
1899 }
1900
1901 /*********************************************************************
1902 * _wopen (MSVCRT.@)
1903 */
1904 int CDECL _wopen(const MSVCRT_wchar_t *path,int flags,...)
1905 {
1906 __ms_va_list ap;
1907
1908 if (flags & MSVCRT__O_CREAT)
1909 {
1910 int pmode;
1911 __ms_va_start(ap, flags);
1912 pmode = va_arg(ap, int);
1913 __ms_va_end(ap);
1914 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1915 }
1916 else
1917 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO);
1918 }
1919
1920 /*********************************************************************
1921 * _creat (MSVCRT.@)
1922 */
1923 int CDECL MSVCRT__creat(const char *path, int flags)
1924 {
1925 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1926 return MSVCRT__open(path, usedFlags);
1927 }
1928
1929 /*********************************************************************
1930 * _wcreat (MSVCRT.@)
1931 */
1932 int CDECL _wcreat(const MSVCRT_wchar_t *path, int flags)
1933 {
1934 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1935 return _wopen(path, usedFlags);
1936 }
1937
1938 /*********************************************************************
1939 * _open_osfhandle (MSVCRT.@)
1940 */
1941 int CDECL _open_osfhandle(MSVCRT_intptr_t handle, int oflags)
1942 {
1943 int fd;
1944
1945 /* MSVCRT__O_RDONLY (0) always matches, so set the read flag
1946 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
1947 * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
1948 * text - it never sets MSVCRT__O_BINARY.
1949 */
1950 /* don't let split_oflags() decide the mode if no mode is passed */
1951 if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)))
1952 oflags |= MSVCRT__O_BINARY;
1953
1954 fd = msvcrt_alloc_fd((HANDLE)handle, split_oflags(oflags));
1955 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, oflags);
1956 return fd;
1957 }
1958
1959 /*********************************************************************
1960 * _rmtmp (MSVCRT.@)
1961 */
1962 int CDECL _rmtmp(void)
1963 {
1964 int num_removed = 0, i;
1965 MSVCRT_FILE *file;
1966
1967 LOCK_FILES();
1968 for (i = 3; i < MSVCRT_stream_idx; i++) {
1969 file = msvcrt_get_file(i);
1970
1971 if (file->_tmpfname)
1972 {
1973 MSVCRT_fclose(file);
1974 num_removed++;
1975 }
1976 }
1977 UNLOCK_FILES();
1978
1979 if (num_removed)
1980 TRACE(":removed (%d) temp files\n",num_removed);
1981 return num_removed;
1982 }
1983
1984 /*********************************************************************
1985 * (internal) read_i
1986 *
1987 * When reading \r as last character in text mode, read() positions
1988 * the file pointer on the \r character while getc() goes on to
1989 * the following \n
1990 */
1991 static int read_i(int fd, void *buf, unsigned int count)
1992 {
1993 DWORD num_read;
1994 char *bufstart = buf;
1995 HANDLE hand = msvcrt_fdtoh(fd);
1996 ioinfo *fdinfo = msvcrt_get_ioinfo(fd);
1997
1998 if (count == 0)
1999 return 0;
2000
2001 if (fdinfo->wxflag & WX_READEOF) {
2002 fdinfo->wxflag |= WX_ATEOF;
2003 TRACE("already at EOF, returning 0\n");
2004 return 0;
2005 }
2006 /* Don't trace small reads, it gets *very* annoying */
2007 if (count > 4)
2008 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
2009 if (hand == INVALID_HANDLE_VALUE)
2010 return -1;
2011
2012 /* Reading single bytes in O_TEXT mode makes things slow
2013 * So read big chunks
2014 */
2015 if (ReadFile(hand, bufstart, count, &num_read, NULL))
2016 {
2017 if (count != 0 && num_read == 0)
2018 {
2019 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
2020 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
2021 }
2022 else if (fdinfo->wxflag & WX_TEXT)
2023 {
2024 DWORD i, j;
2025 if (bufstart[num_read-1] == '\r')
2026 {
2027 if(count == 1)
2028 {
2029 fdinfo->wxflag &= ~WX_READCR;
2030 ReadFile(hand, bufstart, 1, &num_read, NULL);
2031 }
2032 else
2033 {
2034 fdinfo->wxflag |= WX_READCR;
2035 num_read--;
2036 }
2037 }
2038 else
2039 fdinfo->wxflag &= ~WX_READCR;
2040 for (i=0, j=0; i<num_read; i++)
2041 {
2042 /* in text mode, a ctrl-z signals EOF */
2043 if (bufstart[i] == 0x1a)
2044 {
2045 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
2046 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
2047 break;
2048 }
2049 /* in text mode, strip \r if followed by \n.
2050 * BUG: should save state across calls somehow, so CR LF that
2051 * straddles buffer boundary gets recognized properly?
2052 */
2053 if ((bufstart[i] != '\r')
2054 || ((i+1) < num_read && bufstart[i+1] != '\n'))
2055 bufstart[j++] = bufstart[i];
2056 }
2057 num_read = j;
2058 }
2059 }
2060 else
2061 {
2062 if (GetLastError() == ERROR_BROKEN_PIPE)
2063 {
2064 TRACE(":end-of-pipe\n");
2065 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
2066 return 0;
2067 }
2068 else
2069 {
2070 TRACE(":failed-last error (%d)\n",GetLastError());
2071 return -1;
2072 }
2073 }
2074
2075 if (count > 4)
2076 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
2077 return num_read;
2078 }
2079
2080 /*********************************************************************
2081 * _read (MSVCRT.@)
2082 */
2083 int CDECL MSVCRT__read(int fd, void *buf, unsigned int count)
2084 {
2085 int num_read;
2086 num_read = read_i(fd, buf, count);
2087 return num_read;
2088 }
2089
2090 /*********************************************************************
2091 * _setmode (MSVCRT.@)
2092 */
2093 int CDECL _setmode(int fd,int mode)
2094 {
2095 int ret = msvcrt_get_ioinfo(fd)->wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
2096 if (mode & (~(MSVCRT__O_TEXT|MSVCRT__O_BINARY)))
2097 FIXME("fd (%d) mode (0x%08x) unknown\n",fd,mode);
2098 if ((mode & MSVCRT__O_TEXT) == MSVCRT__O_TEXT)
2099 msvcrt_get_ioinfo(fd)->wxflag |= WX_TEXT;
2100 else
2101 msvcrt_get_ioinfo(fd)->wxflag &= ~WX_TEXT;
2102 return ret;
2103 }
2104
2105 /*********************************************************************
2106 * _stat64 (MSVCRT.@)
2107 */
2108 int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
2109 {
2110 DWORD dw;
2111 WIN32_FILE_ATTRIBUTE_DATA hfi;
2112 unsigned short mode = ALL_S_IREAD;
2113 int plen;
2114
2115 TRACE(":file (%s) buf(%p)\n",path,buf);
2116
2117 if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
2118 {
2119 TRACE("failed (%d)\n",GetLastError());
2120 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
2121 return -1;
2122 }
2123
2124 memset(buf,0,sizeof(struct MSVCRT__stat64));
2125
2126 /* FIXME: rdev isn't drive num, despite what the docs say-what is it?
2127 Bon 011120: This FIXME seems incorrect
2128 Also a letter as first char isn't enough to be classified
2129 as a drive letter
2130 */
2131 if (isalpha(*path)&& (*(path+1)==':'))
2132 buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
2133 else
2134 buf->st_dev = buf->st_rdev = _getdrive() - 1;
2135
2136 plen = strlen(path);
2137
2138 /* Dir, or regular file? */
2139 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
2140 (path[plen-1] == '\\'))
2141 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2142 else
2143 {
2144 mode |= MSVCRT__S_IFREG;
2145 /* executable? */
2146 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2147 {
2148 unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
2149 (tolower(path[plen-3]) << 16);
2150 if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
2151 mode |= ALL_S_IEXEC;
2152 }
2153 }
2154
2155 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2156 mode |= ALL_S_IWRITE;
2157
2158 buf->st_mode = mode;
2159 buf->st_nlink = 1;
2160 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2161 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2162 buf->st_atime = dw;
2163 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2164 buf->st_mtime = buf->st_ctime = dw;
2165 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2166 (int)(buf->st_size >> 32),(int)buf->st_size,
2167 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2168 return 0;
2169 }
2170
2171 /*********************************************************************
2172 * _stati64 (MSVCRT.@)
2173 */
2174 int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf)
2175 {
2176 int ret;
2177 struct MSVCRT__stat64 buf64;
2178
2179 ret = MSVCRT_stat64(path, &buf64);
2180 if (!ret)
2181 msvcrt_stat64_to_stati64(&buf64, buf);
2182 return ret;
2183 }
2184
2185 /*********************************************************************
2186 * _stat (MSVCRT.@)
2187 */
2188 int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf)
2189 { int ret;
2190 struct MSVCRT__stat64 buf64;
2191
2192 ret = MSVCRT_stat64( path, &buf64);
2193 if (!ret)
2194 msvcrt_stat64_to_stat(&buf64, buf);
2195 return ret;
2196 }
2197
2198 /*********************************************************************
2199 * _wstat64 (MSVCRT.@)
2200 */
2201 int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf)
2202 {
2203 DWORD dw;
2204 WIN32_FILE_ATTRIBUTE_DATA hfi;
2205 unsigned short mode = ALL_S_IREAD;
2206 int plen;
2207
2208 TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
2209
2210 if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
2211 {
2212 TRACE("failed (%d)\n",GetLastError());
2213 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
2214 return -1;
2215 }
2216
2217 memset(buf,0,sizeof(struct MSVCRT__stat64));
2218
2219 /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
2220 if (MSVCRT_iswalpha(*path))
2221 buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
2222 else
2223 buf->st_dev = buf->st_rdev = _getdrive() - 1;
2224
2225 plen = strlenW(path);
2226
2227 /* Dir, or regular file? */
2228 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
2229 (path[plen-1] == '\\'))
2230 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2231 else
2232 {
2233 mode |= MSVCRT__S_IFREG;
2234 /* executable? */
2235 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2236 {
2237 ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
2238 ((ULONGLONG)tolowerW(path[plen-3]) << 32);
2239 if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
2240 mode |= ALL_S_IEXEC;
2241 }
2242 }
2243
2244 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2245 mode |= ALL_S_IWRITE;
2246
2247 buf->st_mode = mode;
2248 buf->st_nlink = 1;
2249 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2250 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2251 buf->st_atime = dw;
2252 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2253 buf->st_mtime = buf->st_ctime = dw;
2254 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2255 (int)(buf->st_size >> 32),(int)buf->st_size,
2256 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2257 return 0;
2258 }
2259
2260 /*********************************************************************
2261 * _wstati64 (MSVCRT.@)
2262 */
2263 int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
2264 {
2265 int ret;
2266 struct MSVCRT__stat64 buf64;
2267
2268 ret = MSVCRT__wstat64(path, &buf64);
2269 if (!ret)
2270 msvcrt_stat64_to_stati64(&buf64, buf);
2271 return ret;
2272 }
2273
2274 /*********************************************************************
2275 * _wstat (MSVCRT.@)
2276 */
2277 int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
2278 {
2279 int ret;
2280 struct MSVCRT__stat64 buf64;
2281
2282 ret = MSVCRT__wstat64( path, &buf64 );
2283 if (!ret) msvcrt_stat64_to_stat(&buf64, buf);
2284 return ret;
2285 }
2286
2287 /*********************************************************************
2288 * _tell (MSVCRT.@)
2289 */
2290 MSVCRT_long CDECL MSVCRT__tell(int fd)
2291 {
2292 return MSVCRT__lseek(fd, 0, SEEK_CUR);
2293 }
2294
2295 /*********************************************************************
2296 * _telli64 (MSVCRT.@)
2297 */
2298 __int64 CDECL _telli64(int fd)
2299 {
2300 return MSVCRT__lseeki64(fd, 0, SEEK_CUR);
2301 }
2302
2303 /*********************************************************************
2304 * _tempnam (MSVCRT.@)
2305 */
2306 char * CDECL _tempnam(const char *dir, const char *prefix)
2307 {
2308 char tmpbuf[MAX_PATH];
2309 const char *tmp_dir = MSVCRT_getenv("TMP");
2310
2311 if (tmp_dir) dir = tmp_dir;
2312
2313 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
2314 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
2315 {
2316 TRACE("got name (%s)\n",tmpbuf);
2317 DeleteFileA(tmpbuf);
2318 return _strdup(tmpbuf);
2319 }
2320 TRACE("failed (%d)\n",GetLastError());
2321 return NULL;
2322 }
2323
2324 /*********************************************************************
2325 * _wtempnam (MSVCRT.@)
2326 */
2327 MSVCRT_wchar_t * CDECL _wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
2328 {
2329 MSVCRT_wchar_t tmpbuf[MAX_PATH];
2330
2331 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
2332 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
2333 {
2334 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
2335 DeleteFileW(tmpbuf);
2336 return _wcsdup(tmpbuf);
2337 }
2338 TRACE("failed (%d)\n",GetLastError());
2339 return NULL;
2340 }
2341
2342 /*********************************************************************
2343 * _umask (MSVCRT.@)
2344 */
2345 int CDECL MSVCRT__umask(int umask)
2346 {
2347 int old_umask = MSVCRT_umask;
2348 TRACE("(%d)\n",umask);
2349 MSVCRT_umask = umask;
2350 return old_umask;
2351 }
2352
2353 /*********************************************************************
2354 * _utime64 (MSVCRT.@)
2355 */
2356 int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t)
2357 {
2358 int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2359
2360 if (fd > 0)
2361 {
2362 int retVal = _futime64(fd, t);
2363 MSVCRT__close(fd);
2364 return retVal;
2365 }
2366 return -1;
2367 }
2368
2369 /*********************************************************************
2370 * _utime32 (MSVCRT.@)
2371 */
2372 int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t)
2373 {
2374 struct MSVCRT___utimbuf64 t64;
2375 t64.actime = t->actime;
2376 t64.modtime = t->modtime;
2377 return _utime64( path, &t64 );
2378 }
2379
2380 /*********************************************************************
2381 * _utime (MSVCRT.@)
2382 */
2383 #ifdef _WIN64
2384 int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t)
2385 {
2386 return _utime64( path, t );
2387 }
2388 #else
2389 int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t)
2390 {
2391 return _utime32( path, t );
2392 }
2393 #endif
2394
2395 /*********************************************************************
2396 * _wutime64 (MSVCRT.@)
2397 */
2398 int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2399 {
2400 int fd = _wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2401
2402 if (fd > 0)
2403 {
2404 int retVal = _futime64(fd, t);
2405 MSVCRT__close(fd);
2406 return retVal;
2407 }
2408 return -1;
2409 }
2410
2411 /*********************************************************************
2412 * _wutime32 (MSVCRT.@)
2413 */
2414 int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2415 {
2416 struct MSVCRT___utimbuf64 t64;
2417 t64.actime = t->actime;
2418 t64.modtime = t->modtime;
2419 return _wutime64( path, &t64 );
2420 }
2421
2422 /*********************************************************************
2423 * _wutime (MSVCRT.@)
2424 */
2425 #ifdef _WIN64
2426 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2427 {
2428 return _wutime64( path, t );
2429 }
2430 #else
2431 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2432 {
2433 return _wutime32( path, t );
2434 }
2435 #endif
2436
2437 /*********************************************************************
2438 * _write (MSVCRT.@)
2439 */
2440 int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
2441 {
2442 DWORD num_written;
2443 HANDLE hand = msvcrt_fdtoh(fd);
2444
2445 /* Don't trace small writes, it gets *very* annoying */
2446 #if 0
2447 if (count > 32)
2448 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
2449 #endif
2450 if (hand == INVALID_HANDLE_VALUE)
2451 {
2452 *MSVCRT__errno() = MSVCRT_EBADF;
2453 return -1;
2454 }
2455
2456 /* If appending, go to EOF */
2457 if (msvcrt_get_ioinfo(fd)->wxflag & WX_APPEND)
2458 MSVCRT__lseek(fd, 0, FILE_END);
2459
2460 if (!(msvcrt_get_ioinfo(fd)->wxflag & WX_TEXT))
2461 {
2462 if (WriteFile(hand, buf, count, &num_written, NULL)
2463 && (num_written == count))
2464 return num_written;
2465 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
2466 hand, GetLastError());
2467 *MSVCRT__errno() = MSVCRT_ENOSPC;
2468 }
2469 else
2470 {
2471 unsigned int i, j, nr_lf;
2472 char *p = NULL;
2473 const char *q;
2474 const char *s = buf, *buf_start = buf;
2475 /* find number of \n ( without preceding \r ) */
2476 for ( nr_lf=0,i = 0; i <count; i++)
2477 {
2478 if (s[i]== '\n')
2479 {
2480 nr_lf++;
2481 /*if ((i >1) && (s[i-1] == '\r')) nr_lf--; */
2482 }
2483 }
2484 if (nr_lf)
2485 {
2486 if ((q = p = MSVCRT_malloc(count + nr_lf)))
2487 {
2488 for (s = buf, i = 0, j = 0; i < count; i++)
2489 {
2490 if (s[i]== '\n')
2491 {
2492 p[j++] = '\r';
2493 /*if ((i >1) && (s[i-1] == '\r'))j--;*/
2494 }
2495 p[j++] = s[i];
2496 }
2497 }
2498 else
2499 {
2500 FIXME("Malloc failed\n");
2501 nr_lf =0;
2502 q = buf;
2503 }
2504 }
2505 else
2506 q = buf;
2507
2508 if ((WriteFile(hand, q, count+nr_lf, &num_written, NULL) == 0 ) || (num_written != count+nr_lf))
2509 {
2510 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
2511 fd, hand, GetLastError(), num_written);
2512 *MSVCRT__errno() = MSVCRT_ENOSPC;
2513 if(nr_lf)
2514 MSVCRT_free(p);
2515 return s - buf_start;
2516 }
2517 else
2518 {
2519 if(nr_lf)
2520 MSVCRT_free(p);
2521 return count;
2522 }
2523 }
2524 return -1;
2525 }
2526
2527 /*********************************************************************
2528 * _putw (MSVCRT.@)
2529 */
2530 int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
2531 {
2532 int len;
2533 len = MSVCRT__write(file->_file, &val, sizeof(val));
2534 if (len == sizeof(val)) return val;
2535 file->_flag |= MSVCRT__IOERR;
2536 return MSVCRT_EOF;
2537 }
2538
2539 /*********************************************************************
2540 * fclose (MSVCRT.@)
2541 */
2542 int CDECL MSVCRT_fclose(MSVCRT_FILE* file)
2543 {
2544 int r, flag;
2545
2546 flag = file->_flag;
2547 MSVCRT_free(file->_tmpfname);
2548 file->_tmpfname = NULL;
2549 /* flush stdio buffers */
2550 if(file->_flag & MSVCRT__IOWRT)
2551 MSVCRT_fflush(file);
2552 if(file->_flag & MSVCRT__IOMYBUF)
2553 MSVCRT_free(file->_base);
2554
2555 r=MSVCRT__close(file->_file);
2556
2557 file->_flag = 0;
2558
2559 if(file == msvcrt_get_file(MSVCRT_stream_idx-1)) {
2560 while(MSVCRT_stream_idx>3 && !file->_flag) {
2561 MSVCRT_stream_idx--;
2562 file = msvcrt_get_file(MSVCRT_stream_idx-1);
2563 }
2564 }
2565
2566 return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
2567 }
2568
2569 /*********************************************************************
2570 * feof (MSVCRT.@)
2571 */
2572 int CDECL MSVCRT_feof(MSVCRT_FILE* file)
2573 {
2574 return file->_flag & MSVCRT__IOEOF;
2575 }
2576
2577 /*********************************************************************
2578 * ferror (MSVCRT.@)
2579 */
2580 int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
2581 {
2582 return file->_flag & MSVCRT__IOERR;
2583 }
2584
2585 /*********************************************************************
2586 * _filbuf (MSVCRT.@)
2587 */
2588 int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
2589 {
2590 /* Allocate buffer if needed */
2591 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF) ) {
2592 msvcrt_alloc_buffer(file);
2593 }
2594 if(!(file->_flag & MSVCRT__IOREAD)) {
2595 if(file->_flag & MSVCRT__IORW) {
2596 file->_flag |= MSVCRT__IOREAD;
2597 } else {
2598 return MSVCRT_EOF;
2599 }
2600 }
2601 if(file->_flag & MSVCRT__IONBF) {
2602 unsigned char c;
2603 int r;
2604 if ((r = read_i(file->_file,&c,1)) != 1) {
2605 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2606 return MSVCRT_EOF;
2607 }
2608 return c;
2609 } else {
2610 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
2611 if(file->_cnt<=0) {
2612 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2613 file->_cnt = 0;
2614 return MSVCRT_EOF;
2615 }
2616 file->_cnt--;
2617 file->_ptr = file->_base+1;
2618 return *(unsigned char *)file->_base;
2619 }
2620 }
2621
2622 /*********************************************************************
2623 * fgetc (MSVCRT.@)
2624 */
2625 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
2626 {
2627 unsigned char *i;
2628 unsigned int j;
2629 if (file->_cnt>0) {
2630 file->_cnt--;
2631 i = (unsigned char *)file->_ptr++;
2632 j = *i;
2633 } else
2634 j = MSVCRT__filbuf(file);
2635 return j;
2636 }
2637
2638 /*********************************************************************
2639 * _fgetchar (MSVCRT.@)
2640 */
2641 int CDECL _fgetchar(void)
2642 {
2643 return MSVCRT_fgetc(MSVCRT_stdin);
2644 }
2645
2646 /*********************************************************************
2647 * fgets (MSVCRT.@)
2648 */
2649 char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
2650 {
2651 int cc = MSVCRT_EOF;
2652 char * buf_start = s;
2653
2654 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2655 file,file->_file,s,size);
2656
2657 while ((size >1) && (cc = MSVCRT_fgetc(file)) != MSVCRT_EOF && cc != '\n')
2658 {
2659 *s++ = (char)cc;
2660 size --;
2661 }
2662 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
2663 {
2664 TRACE(":nothing read\n");
2665 return NULL;
2666 }
2667 if ((cc != MSVCRT_EOF) && (size > 1))
2668 *s++ = cc;
2669 *s = '\0';
2670 TRACE(":got %s\n", debugstr_a(buf_start));
2671 return buf_start;
2672 }
2673
2674 /*********************************************************************
2675 * fgetwc (MSVCRT.@)
2676 *
2677 * In MSVCRT__O_TEXT mode, multibyte characters are read from the file, dropping
2678 * the CR from CR/LF combinations
2679 */
2680 MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
2681 {
2682 int c;
2683
2684 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT))
2685 {
2686 MSVCRT_wchar_t wc;
2687 unsigned int i;
2688 int j;
2689 char *chp, *wcp;
2690 wcp = (char *)&wc;
2691 for(i=0; i<sizeof(wc); i++)
2692 {
2693 if (file->_cnt>0)
2694 {
2695 file->_cnt--;
2696 chp = file->_ptr++;
2697 wcp[i] = *chp;
2698 }
2699 else
2700 {
2701 j = MSVCRT__filbuf(file);
2702 if(file->_cnt<=0)
2703 {
2704 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2705 file->_cnt = 0;
2706 return MSVCRT_WEOF;
2707 }
2708 wcp[i] = j;
2709 }
2710 }
2711 return wc;
2712 }
2713
2714 c = MSVCRT_fgetc(file);
2715 if ((get_locale()->locinfo->mb_cur_max > 1) && MSVCRT_isleadbyte(c))
2716 {
2717 FIXME("Treat Multibyte characters\n");
2718 }
2719 if (c == MSVCRT_EOF)
2720 return MSVCRT_WEOF;
2721 else
2722 return (MSVCRT_wint_t)c;
2723 }
2724
2725 /*********************************************************************
2726 * _getw (MSVCRT.@)
2727 */
2728 int CDECL MSVCRT__getw(MSVCRT_FILE* file)
2729 {
2730 char *ch;
2731 int i, k;
2732 unsigned int j;
2733 ch = (char *)&i;
2734 for (j=0; j<sizeof(int); j++) {
2735 k = MSVCRT_fgetc(file);
2736 if (k == MSVCRT_EOF) {
2737 file->_flag |= MSVCRT__IOEOF;
2738 return EOF;
2739 }
2740 ch[j] = k;
2741 }
2742 return i;
2743 }
2744
2745 /*********************************************************************
2746 * getwc (MSVCRT.@)
2747 */
2748 MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
2749 {
2750 return MSVCRT_fgetwc(file);
2751 }
2752
2753 /*********************************************************************
2754 * _fgetwchar (MSVCRT.@)
2755 */
2756 MSVCRT_wint_t CDECL _fgetwchar(void)
2757 {
2758 return MSVCRT_fgetwc(MSVCRT_stdin);
2759 }
2760
2761 /*********************************************************************
2762 * getwchar (MSVCRT.@)
2763 */
2764 MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
2765 {
2766 return _fgetwchar();
2767 }
2768
2769 /*********************************************************************
2770 * fgetws (MSVCRT.@)
2771 */
2772 MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
2773 {
2774 int cc = MSVCRT_WEOF;
2775 MSVCRT_wchar_t * buf_start = s;
2776
2777 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2778 file,file->_file,s,size);
2779
2780 while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n')
2781 {
2782 *s++ = (char)cc;
2783 size --;
2784 }
2785 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
2786 {
2787 TRACE(":nothing read\n");
2788 return NULL;
2789 }
2790 if ((cc != MSVCRT_WEOF) && (size > 1))
2791 *s++ = cc;
2792 *s = 0;
2793 TRACE(":got %s\n", debugstr_w(buf_start));
2794 return buf_start;
2795 }
2796
2797 /*********************************************************************
2798 * fwrite (MSVCRT.@)
2799 */
2800 MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
2801 {
2802 MSVCRT_size_t wrcnt=size * nmemb;
2803 int written = 0;
2804 if (size == 0)
2805 return 0;
2806 if(file->_cnt) {
2807 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
2808 memcpy(file->_ptr, ptr, pcnt);
2809 file->_cnt -= pcnt;
2810 file->_ptr += pcnt;
2811 written = pcnt;
2812 wrcnt -= pcnt;
2813 ptr = (const char*)ptr + pcnt;
2814 } else if(!(file->_flag & MSVCRT__IOWRT)) {
2815 if(file->_flag & MSVCRT__IORW) {
2816 file->_flag |= MSVCRT__IOWRT;
2817 } else
2818 return 0;
2819 }
2820 if(wrcnt) {
2821 /* Flush buffer */
2822 int res=msvcrt_flush_buffer(file);
2823 if(!res) {
2824 int pwritten = MSVCRT__write(file->_file, ptr, wrcnt);
2825 if (pwritten <= 0)
2826 {
2827 file->_flag |= MSVCRT__IOERR;
2828 pwritten=0;
2829 }
2830 written += pwritten;
2831 }
2832 }
2833 return written / size;
2834 }
2835
2836 /*********************************************************************
2837 * fputwc (MSVCRT.@)
2838 */
2839 MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
2840 {
2841 MSVCRT_wchar_t mwc=wc;
2842 if (MSVCRT_fwrite( &mwc, sizeof(mwc), 1, file) != 1)
2843 return MSVCRT_WEOF;
2844 return wc;
2845 }
2846
2847 /*********************************************************************
2848 * _fputwchar (MSVCRT.@)
2849 */
2850 MSVCRT_wint_t CDECL _fputwchar(MSVCRT_wint_t wc)
2851 {
2852 return MSVCRT_fputwc(wc, MSVCRT_stdout);
2853 }
2854
2855 /*********************************************************************
2856 * _wfsopen (MSVCRT.@)
2857 */
2858 MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
2859 {
2860 MSVCRT_FILE* file;
2861 int open_flags, stream_flags, fd;
2862
2863 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
2864
2865 /* map mode string to open() flags. "man fopen" for possibilities. */
2866 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
2867 return NULL;
2868
2869 LOCK_FILES();
2870 fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
2871 if (fd < 0)
2872 file = NULL;
2873 else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
2874 != -1)
2875 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
2876 else if (file)
2877 {
2878 file->_flag = 0;
2879 file = NULL;
2880 }
2881
2882 TRACE(":got (%p)\n",file);
2883 if (fd >= 0 && !file)
2884 MSVCRT__close(fd);
2885 UNLOCK_FILES();
2886 return file;
2887 }
2888
2889 /*********************************************************************
2890 * _fsopen (MSVCRT.@)
2891 */
2892 MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
2893 {
2894 MSVCRT_FILE *ret;
2895 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
2896
2897 if (path && !(pathW = msvcrt_wstrdupa(path))) {
2898 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
2899 *MSVCRT__errno() = MSVCRT_EINVAL;
2900 return NULL;
2901 }
2902 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
2903 {
2904 MSVCRT_free(pathW);
2905 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
2906 *MSVCRT__errno() = MSVCRT_EINVAL;
2907 return NULL;
2908 }
2909
2910 ret = MSVCRT__wfsopen(pathW, modeW, share);
2911
2912 MSVCRT_free(pathW);
2913 MSVCRT_free(modeW);
2914 return ret;
2915 }
2916
2917 /*********************************************************************
2918 * fopen (MSVCRT.@)
2919 */
2920 MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
2921 {
2922 return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
2923 }
2924
2925 /*********************************************************************
2926 * fopen_s (MSVCRT.@)
2927 */
2928 int CDECL MSVCRT_fopen_s(MSVCRT_FILE** pFile,
2929 const char *filename, const char *mode)
2930 {
2931 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
2932 !MSVCRT_CHECK_PMT(mode != NULL)) {
2933 *MSVCRT__errno() = MSVCRT_EINVAL;
2934 return MSVCRT_EINVAL;
2935 }
2936
2937 *pFile = MSVCRT_fopen(filename, mode);
2938
2939 if(!*pFile)
2940 return *MSVCRT__errno();
2941 return 0;
2942 }
2943
2944 /*********************************************************************
2945 * _wfopen (MSVCRT.@)
2946 */
2947 MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
2948 {
2949 return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
2950 }
2951
2952 /*********************************************************************
2953 * _wfopen_s (MSVCRT.@)
2954 */
2955 int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename,
2956 const MSVCRT_wchar_t *mode)
2957 {
2958 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
2959 !MSVCRT_CHECK_PMT(mode != NULL)) {
2960 *MSVCRT__errno() = MSVCRT_EINVAL;
2961 return MSVCRT_EINVAL;
2962 }
2963
2964 *pFile = MSVCRT__wfopen(filename, mode);
2965
2966 if(!*pFile)
2967 return *MSVCRT__errno();
2968 return 0;
2969 }
2970
2971 /* MSVCRT_fputc calls MSVCRT__flsbuf which calls MSVCRT_fputc */
2972 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file);
2973
2974 /*********************************************************************
2975 * fputc (MSVCRT.@)
2976 */
2977 int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
2978 {
2979 if(file->_cnt>0) {
2980 *file->_ptr++=c;
2981 file->_cnt--;
2982 if (c == '\n')
2983 {
2984 int res = msvcrt_flush_buffer(file);
2985 return res ? res : c;
2986 }
2987 else
2988 return c & 0xff;
2989 } else {
2990 return MSVCRT__flsbuf(c, file);
2991 }
2992 }
2993
2994 /*********************************************************************
2995 * _flsbuf (MSVCRT.@)
2996 */
2997 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
2998 {
2999 /* Flush output buffer */
3000 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
3001 msvcrt_alloc_buffer(file);
3002 }
3003 if(!(file->_flag & MSVCRT__IOWRT)) {
3004 if(file->_flag & MSVCRT__IORW) {
3005 file->_flag |= MSVCRT__IOWRT;
3006 } else {
3007 return MSVCRT_EOF;
3008 }
3009 }
3010 if(file->_bufsiz) {
3011 int res=msvcrt_flush_buffer(file);
3012 return res?res : MSVCRT_fputc(c, file);
3013 } else {
3014 unsigned char cc=c;
3015 int len;
3016 /* set _cnt to 0 for unbuffered FILEs */
3017 file->_cnt = 0;
3018 len = MSVCRT__write(file->_file, &cc, 1);
3019 if (len == 1) return c & 0xff;
3020 file->_flag |= MSVCRT__IOERR;
3021 return MSVCRT_EOF;
3022 }
3023 }
3024
3025 /*********************************************************************
3026 * _fputchar (MSVCRT.@)
3027 */
3028 int CDECL _fputchar(int c)
3029 {
3030 return MSVCRT_fputc(c, MSVCRT_stdout);
3031 }
3032
3033 /*********************************************************************
3034 * fread (MSVCRT.@)
3035 */
3036 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3037 { MSVCRT_size_t rcnt=size * nmemb;
3038 MSVCRT_size_t read=0;
3039 int pread=0;
3040
3041 if(!rcnt)
3042 return 0;
3043
3044 /* first buffered data */
3045 if(file->_cnt>0) {
3046 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
3047 memcpy(ptr, file->_ptr, pcnt);
3048 file->_cnt -= pcnt;
3049 file->_ptr += pcnt;
3050 read += pcnt ;
3051 rcnt -= pcnt ;
3052 ptr = (char*)ptr + pcnt;
3053 } else if(!(file->_flag & MSVCRT__IOREAD )) {
3054 if(file->_flag & MSVCRT__IORW) {
3055 file->_flag |= MSVCRT__IOREAD;
3056 } else
3057 return 0;
3058 }
3059 while(rcnt>0)
3060 {
3061 int i;
3062 /* Fill the buffer on small reads.
3063 * TODO: Use a better buffering strategy.
3064 */
3065 if (!file->_cnt && size*nmemb <= MSVCRT_BUFSIZ/2 && !(file->_flag & MSVCRT__IONBF)) {
3066 if (file->_bufsiz == 0) {
3067 msvcrt_alloc_buffer(file);
3068 }
3069 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
3070 file->_ptr = file->_base;
3071 i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
3072 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
3073 if (i > 0 && i < file->_cnt) {
3074 msvcrt_get_ioinfo(file->_file)->wxflag &= ~WX_ATEOF;
3075 file->_flag &= ~MSVCRT__IOEOF;
3076 }
3077 if (i > 0) {
3078 memcpy(ptr, file->_ptr, i);
3079 file->_cnt -= i;
3080 file->_ptr += i;
3081 }
3082 } else {
3083 i = MSVCRT__read(file->_file,ptr, rcnt);
3084 }
3085 pread += i;
3086 rcnt -= i;
3087 ptr = (char *)ptr+i;
3088 /* expose feof condition in the flags
3089 * MFC tests file->_flag for feof, and doesn't call feof())
3090 */
3091 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_ATEOF)
3092 file->_flag |= MSVCRT__IOEOF;
3093 else if (i == -1)
3094 {
3095 file->_flag |= MSVCRT__IOERR;
3096 pread = 0;
3097 rcnt = 0;
3098 }
3099 if (i < 1) break;
3100 }
3101 read+=pread;
3102 return read / size;
3103 }
3104
3105 /*********************************************************************
3106 * _wfreopen (MSVCRT.@)
3107 *
3108 */
3109 MSVCRT_FILE* CDECL MSVCRT__wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
3110 {
3111 int open_flags, stream_flags, fd;
3112
3113 TRACE(":path (%p) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file->_file);
3114
3115 LOCK_FILES();
3116 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
3117 file = NULL;
3118 else
3119 {
3120 MSVCRT_fclose(file);
3121 /* map mode string to open() flags. "man fopen" for possibilities. */
3122 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
3123 file = NULL;
3124 else
3125 {
3126 fd = _wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
3127 if (fd < 0)
3128 file = NULL;
3129 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
3130 {
3131 file->_flag = 0;
3132 WARN(":failed-last error (%d)\n",GetLastError());
3133 msvcrt_set_errno(GetLastError());
3134 file = NULL;
3135 }
3136 }
3137 }
3138 UNLOCK_FILES();
3139 return file;
3140 }
3141
3142 /*********************************************************************
3143 * freopen (MSVCRT.@)
3144 *
3145 */
3146 MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
3147 {
3148 MSVCRT_FILE *ret;
3149 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3150
3151 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
3152 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3153 {
3154 MSVCRT_free(pathW);
3155 return NULL;
3156 }
3157
3158 ret = MSVCRT__wfreopen(pathW, modeW, file);
3159
3160 MSVCRT_free(pathW);
3161 MSVCRT_free(modeW);
3162 return ret;
3163 }
3164
3165 /*********************************************************************
3166 * fsetpos (MSVCRT.@)
3167 */
3168 int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3169 {
3170 /* Note that all this has been lifted 'as is' from fseek */
3171 if(file->_flag & MSVCRT__IOWRT)
3172 msvcrt_flush_buffer(file);
3173
3174 /* Discard buffered input */
3175 file->_cnt = 0;
3176 file->_ptr = file->_base;
3177
3178 /* Reset direction of i/o */
3179 if(file->_flag & MSVCRT__IORW) {
3180 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
3181 }
3182
3183 return (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
3184 }
3185
3186 /*********************************************************************
3187 * _ftelli64 (MSVCRT.@)
3188 */
3189 __int64 CDECL MSVCRT__ftelli64(MSVCRT_FILE* file)
3190 {
3191 /* TODO: just call fgetpos and return lower half of result */
3192 int off=0;
3193 __int64 pos;
3194 pos = _telli64(file->_file);
3195 if(pos == -1) return -1;
3196 if(file->_bufsiz) {
3197 if( file->_flag & MSVCRT__IOWRT ) {
3198 off = file->_ptr - file->_base;
3199 } else {
3200 off = -file->_cnt;
3201 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3202 /* Black magic correction for CR removal */
3203 int i;
3204 for (i=0; i<file->_cnt; i++) {
3205 if (file->_ptr[i] == '\n')
3206 off--;
3207 }
3208 /* Black magic when reading CR at buffer boundary*/
3209 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
3210 off--;
3211 }
3212 }
3213 }
3214 return off + pos;
3215 }
3216
3217 /*********************************************************************
3218 * ftell (MSVCRT.@)
3219 */
3220 LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
3221 {
3222 return MSVCRT__ftelli64(file);
3223 }
3224
3225 /*********************************************************************
3226 * fgetpos (MSVCRT.@)
3227 */
3228 int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3229 {
3230 int off=0;
3231 *pos = MSVCRT__lseeki64(file->_file,0,SEEK_CUR);
3232 if(*pos == -1) return -1;
3233 if(file->_bufsiz) {
3234 if( file->_flag & MSVCRT__IOWRT ) {
3235 off = file->_ptr - file->_base;
3236 } else {
3237 off = -file->_cnt;
3238 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3239 /* Black magic correction for CR removal */
3240 int i;
3241 for (i=0; i<file->_cnt; i++) {
3242 if (file->_ptr[i] == '\n')
3243 off--;
3244 }
3245 /* Black magic when reading CR at buffer boundary*/
3246 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READCR)
3247 off--;
3248 }
3249 }
3250 }
3251 *pos += off;
3252 return 0;
3253 }
3254
3255 /*********************************************************************
3256 * fputs (MSVCRT.@)
3257 */
3258 int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
3259 {
3260 MSVCRT_size_t i, len = strlen(s);
3261 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT))
3262 return MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
3263 for (i=0; i<len; i++)
3264 if (MSVCRT_fputc(s[i], file) == MSVCRT_EOF)
3265 return MSVCRT_EOF;
3266 return 0;
3267 }
3268
3269 /*********************************************************************
3270 * fputws (MSVCRT.@)
3271 */
3272 int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
3273 {
3274 MSVCRT_size_t i, len = strlenW(s);
3275 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT))
3276 return MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
3277 for (i=0; i<len; i++)
3278 {
3279 if ((s[i] == '\n') && (MSVCRT_fputc('\r', file) == MSVCRT_EOF))
3280 return MSVCRT_WEOF;
3281 if (MSVCRT_fputwc(s[i], file) == MSVCRT_WEOF)
3282 return MSVCRT_WEOF;
3283 }
3284 return 0;
3285 }
3286
3287 /*********************************************************************
3288 * getchar (MSVCRT.@)
3289 */
3290 int CDECL MSVCRT_getchar(void)
3291 {
3292 return MSVCRT_fgetc(MSVCRT_stdin);
3293 }
3294
3295 /*********************************************************************
3296 * getc (MSVCRT.@)
3297 */
3298 int CDECL MSVCRT_getc(MSVCRT_FILE* file)
3299 {
3300 return MSVCRT_fgetc(file);
3301 }
3302
3303 /*********************************************************************
3304 * gets (MSVCRT.@)
3305 */
3306 char * CDECL MSVCRT_gets(char *buf)
3307 {
3308 int cc;
3309 char * buf_start = buf;
3310
3311 for(cc = MSVCRT_fgetc(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
3312 cc = MSVCRT_fgetc(MSVCRT_stdin))
3313 if(cc != '\r') *buf++ = (char)cc;
3314
3315 *buf = '\0';
3316
3317 TRACE("got '%s'\n", buf_start);
3318 return buf_start;
3319 }
3320
3321 /*********************************************************************
3322 * _getws (MSVCRT.@)
3323 */
3324 MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
3325 {
3326 MSVCRT_wint_t cc;
3327 MSVCRT_wchar_t* ws = buf;
3328
3329 for (cc = MSVCRT_fgetwc(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
3330 cc = MSVCRT_fgetwc(MSVCRT_stdin))
3331 {
3332 if (cc != '\r')
3333 *buf++ = (MSVCRT_wchar_t)cc;
3334 }
3335 *buf = '\0';
3336
3337 TRACE("got %s\n", debugstr_w(ws));
3338 return ws;
3339 }
3340
3341 /*********************************************************************
3342 * putc (MSVCRT.@)
3343 */
3344 int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
3345 {
3346 return MSVCRT_fputc(c, file);
3347 }
3348
3349 /*********************************************************************
3350 * putchar (MSVCRT.@)
3351 */
3352 int CDECL MSVCRT_putchar(int c)
3353 {
3354 return MSVCRT_fputc(c, MSVCRT_stdout);
3355 }
3356
3357 /*********************************************************************
3358 * _putwch (MSVCRT.@)
3359 */
3360 int CDECL MSVCRT__putwch(int c)
3361 {
3362 return MSVCRT_fputwc(c, MSVCRT_stdout);
3363 }
3364
3365 /*********************************************************************
3366 * puts (MSVCRT.@)
3367 */
3368 int CDECL MSVCRT_puts(const char *s)
3369 {
3370 MSVCRT_size_t len = strlen(s);
3371 if (MSVCRT_fwrite(s,sizeof(*s),len,MSVCRT_stdout) != len) return MSVCRT_EOF;
3372 return MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3373 }
3374
3375 /*********************************************************************
3376 * _putws (MSVCRT.@)
3377 */
3378 int CDECL _putws(const MSVCRT_wchar_t *s)
3379 {
3380 static const MSVCRT_wchar_t nl = '\n';
3381 MSVCRT_size_t len = strlenW(s);
3382 if (MSVCRT_fwrite(s,sizeof(*s),len,MSVCRT_stdout) != len) return MSVCRT_EOF;
3383 return MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3384 }
3385
3386 /*********************************************************************
3387 * remove (MSVCRT.@)
3388 */
3389 int CDECL MSVCRT_remove(const char *path)
3390 {
3391 TRACE("(%s)\n",path);
3392 if (DeleteFileA(path))
3393 return 0;
3394 TRACE(":failed (%d)\n",GetLastError());
3395 msvcrt_set_errno(GetLastError());
3396 return -1;
3397 }
3398
3399 /*********************************************************************
3400 * _wremove (MSVCRT.@)
3401 */
3402 int CDECL _wremove(const MSVCRT_wchar_t *path)
3403 {
3404 TRACE("(%s)\n",debugstr_w(path));
3405 if (DeleteFileW(path))
3406 return 0;
3407 TRACE(":failed (%d)\n",GetLastError());
3408 msvcrt_set_errno(GetLastError());
3409 return -1;
3410 }
3411
3412 /*********************************************************************
3413 * rename (MSVCRT.@)
3414 */
3415 int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
3416 {
3417 TRACE(":from %s to %s\n",oldpath,newpath);
3418 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3419 return 0;
3420 TRACE(":failed (%d)\n",GetLastError());
3421 msvcrt_set_errno(GetLastError());
3422 return -1;
3423 }
3424
3425 /*********************************************************************
3426 * _wrename (MSVCRT.@)
3427 */
3428 int CDECL _wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
3429 {
3430 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
3431 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3432 return 0;
3433 TRACE(":failed (%d)\n",GetLastError());
3434 msvcrt_set_errno(GetLastError());
3435 return -1;
3436 }
3437
3438 /*********************************************************************
3439 * setvbuf (MSVCRT.@)
3440 */
3441 int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
3442 {
3443 /* TODO: Check if file busy */
3444 if(file->_bufsiz) {
3445 MSVCRT_free(file->_base);
3446 file->_bufsiz = 0;
3447 file->_cnt = 0;
3448 }
3449 if(mode == MSVCRT__IOFBF) {
3450 file->_flag &= ~MSVCRT__IONBF;
3451 file->_base = file->_ptr = buf;
3452 if(buf) {
3453 file->_bufsiz = size;
3454 }
3455 } else {
3456 file->_flag |= MSVCRT__IONBF;
3457 }
3458 return 0;
3459 }
3460
3461 /*********************************************************************
3462 * setbuf (MSVCRT.@)
3463 */
3464 void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
3465 {
3466 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
3467 }
3468
3469 /*********************************************************************
3470 * tmpnam (MSVCRT.@)
3471 */
3472 char * CDECL MSVCRT_tmpnam(char *s)
3473 {
3474 char tmpstr[16];
3475 char *p;
3476 int count, size;
3477 if (s == 0)
3478 s = MSVCRT_tmpname;
3479 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
3480 p = s + sprintf(s, "\\s%s.", tmpstr);
3481 for (count = 0; count < MSVCRT_TMP_MAX; count++)
3482 {
3483 size = msvcrt_int_to_base32(tmpnam_unique++, tmpstr);
3484 memcpy(p, tmpstr, size);
3485 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
3486 GetLastError() == ERROR_FILE_NOT_FOUND)
3487 break;
3488 }
3489 return s;
3490 }
3491
3492 /*********************************************************************
3493 * _wtmpnam (MSVCRT.@)
3494 */
3495 MSVCRT_wchar_t * MSVCRT_wtmpnam(MSVCRT_wchar_t *s)
3496 {
3497 static const MSVCRT_wchar_t format[] = {'\\','s','%','s','.',0};
3498 MSVCRT_wchar_t tmpstr[16];
3499 MSVCRT_wchar_t *p;
3500 int count, size;
3501 if (s == 0)
3502 s = MSVCRT_wtmpname;
3503 msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr);
3504 p = s + MSVCRT__snwprintf(s, MAX_PATH, format, tmpstr);
3505 for (count = 0; count < MSVCRT_TMP_MAX; count++)
3506 {
3507 size = msvcrt_int_to_base32_w(tmpnam_unique++, tmpstr);
3508 memcpy(p, tmpstr, size*sizeof(MSVCRT_wchar_t));
3509 if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
3510 GetLastError() == ERROR_FILE_NOT_FOUND)
3511 break;
3512 }
3513 return s;
3514 }
3515
3516 /*********************************************************************
3517 * tmpfile (MSVCRT.@)
3518 */
3519 MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
3520 {
3521 char *filename = MSVCRT_tmpnam(NULL);
3522 int fd;
3523 MSVCRT_FILE* file = NULL;
3524
3525 LOCK_FILES();
3526 fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY);
3527 if (fd != -1 && (file = msvcrt_alloc_fp()))
3528 {
3529 if (msvcrt_init_fp(file, fd, MSVCRT__O_RDWR) == -1)
3530 {
3531 file->_flag = 0;
3532 file = NULL;
3533 }
3534 else file->_tmpfname = _strdup(filename);
3535 }
3536 UNLOCK_FILES();
3537 return file;
3538 }
3539
3540 static int puts_clbk_file_a(void *file, int len, const char *str)
3541 {
3542 return MSVCRT_fwrite(str, sizeof(char), len, file);
3543 }
3544
3545 static int puts_clbk_file_w(void *file, int len, const MSVCRT_wchar_t *str)
3546 {
3547 return MSVCRT_fwrite(str, sizeof(MSVCRT_wchar_t), len, file);
3548 }
3549
3550 /*********************************************************************
3551 * vfprintf (MSVCRT.@)
3552 */
3553 int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
3554 {
3555 return pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
3556 }
3557
3558 /*********************************************************************
3559 * vfprintf_s (MSVCRT.@)
3560 */
3561 int CDECL MSVCRT_vfprintf_s(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
3562 {
3563 if(!MSVCRT_CHECK_PMT(file != NULL)) {
3564 *MSVCRT__errno() = MSVCRT_EINVAL;
3565 return -1;
3566 }
3567
3568 return pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
3569 }
3570
3571 /*********************************************************************
3572 * vfwprintf (MSVCRT.@)
3573 */
3574 int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
3575 {
3576 return pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
3577 }
3578
3579 /*********************************************************************
3580 * vfwprintf_s (MSVCRT.@)
3581 */
3582 int CDECL MSVCRT_vfwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
3583 {
3584 if(!MSVCRT_CHECK_PMT( file != NULL)) {
3585 *MSVCRT__errno() = MSVCRT_EINVAL;
3586 return -1;
3587 }
3588
3589 return pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
3590 }
3591
3592 /*********************************************************************
3593 * vprintf (MSVCRT.@)
3594 */
3595 int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
3596 {
3597 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
3598 }
3599
3600 /*********************************************************************
3601 * vprintf_s (MSVCRT.@)
3602 */
3603 int CDECL MSVCRT_vprintf_s(const char *format, __ms_va_list valist)
3604 {
3605 return MSVCRT_vfprintf_s(MSVCRT_stdout,format,valist);
3606 }
3607
3608 /*********************************************************************
3609 * vwprintf (MSVCRT.@)
3610 */
3611 int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
3612 {
3613 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
3614 }
3615
3616 /*********************************************************************
3617 * vwprintf_s (MSVCRT.@)
3618 */
3619 int CDECL MSVCRT_vwprintf_s(const MSVCRT_wchar_t *format, __ms_va_list valist)
3620 {
3621 return MSVCRT_vfwprintf_s(MSVCRT_stdout,format,valist);
3622 }
3623
3624 /*********************************************************************
3625 * fprintf (MSVCRT.@)
3626 */
3627 int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
3628 {
3629 __ms_va_list valist;
3630 int res;
3631 __ms_va_start(valist, format);
3632 res = MSVCRT_vfprintf(file, format, valist);
3633 __ms_va_end(valist);
3634 return res;
3635 }
3636
3637 /*********************************************************************
3638 * fprintf_s (MSVCRT.@)
3639 */
3640 int CDECL MSVCRT_fprintf_s(MSVCRT_FILE* file, const char *format, ...)
3641 {
3642 __ms_va_list valist;
3643 int res;
3644 __ms_va_start(valist, format);
3645 res = MSVCRT_vfprintf_s(file, format, valist);
3646 __ms_va_end(valist);
3647 return res;
3648 }
3649
3650 /*********************************************************************
3651 * fwprintf (MSVCRT.@)
3652 */
3653 int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
3654 {
3655 __ms_va_list valist;
3656 int res;
3657 __ms_va_start(valist, format);
3658 res = MSVCRT_vfwprintf(file, format, valist);
3659 __ms_va_end(valist);
3660 return res;
3661 }
3662
3663 /*********************************************************************
3664 * fwprintf_s (MSVCRT.@)
3665 */
3666 int CDECL MSVCRT_fwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
3667 {
3668 __ms_va_list valist;
3669 int res;
3670 __ms_va_start(valist, format);
3671 res = MSVCRT_vfwprintf_s(file, format, valist);
3672 __ms_va_end(valist);
3673 return res;
3674 }
3675
3676 /*********************************************************************
3677 * printf (MSVCRT.@)
3678 */
3679 int CDECL MSVCRT_printf(const char *format, ...)
3680 {
3681 __ms_va_list valist;
3682 int res;
3683 __ms_va_start(valist, format);
3684 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
3685 __ms_va_end(valist);
3686 return res;
3687 }
3688
3689 /*********************************************************************
3690 * printf_s (MSVCRT.@)
3691 */
3692 int CDECL MSVCRT_printf_s(const char *format, ...)
3693 {
3694 __ms_va_list valist;
3695 int res;
3696 __ms_va_start(valist, format);
3697 res = MSVCRT_vprintf_s(format, valist);
3698 __ms_va_end(valist);
3699 return res;
3700 }
3701
3702 /*********************************************************************
3703 * ungetc (MSVCRT.@)
3704 */
3705 int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
3706 {
3707 if (c == MSVCRT_EOF)
3708 return MSVCRT_EOF;
3709 if(file->_bufsiz == 0) {
3710 msvcrt_alloc_buffer(file);
3711 file->_ptr++;
3712 }
3713 if(file->_ptr>file->_base) {
3714 file->_ptr--;
3715 *file->_ptr=c;
3716 file->_cnt++;
3717 MSVCRT_clearerr(file);
3718 return c;
3719 }
3720 return MSVCRT_EOF;
3721 }
3722
3723 /*********************************************************************
3724 * ungetwc (MSVCRT.@)
3725 */
3726 MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
3727 {
3728 MSVCRT_wchar_t mwc = wc;
3729 char * pp = (char *)&mwc;
3730 int i;
3731 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
3732 if(pp[i] != MSVCRT_ungetc(pp[i],file))
3733 return MSVCRT_WEOF;
3734 }
3735 return mwc;
3736 }
3737
3738 /*********************************************************************
3739 * wprintf (MSVCRT.@)
3740 */
3741 int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
3742 {
3743 __ms_va_list valist;
3744 int res;
3745 __ms_va_start(valist, format);
3746 res = MSVCRT_vwprintf(format, valist);
3747 __ms_va_end(valist);
3748 return res;
3749 }
3750
3751 /*********************************************************************
3752 * wprintf_s (MSVCRT.@)
3753 */
3754 int CDECL MSVCRT_wprintf_s(const MSVCRT_wchar_t *format, ...)
3755 {
3756 __ms_va_list valist;
3757 int res;
3758 __ms_va_start(valist, format);
3759 res = MSVCRT_vwprintf_s(format, valist);
3760 __ms_va_end(valist);
3761 return res;
3762 }
3763
3764 /*********************************************************************
3765 * _getmaxstdio (MSVCRT.@)
3766 */
3767 int CDECL _getmaxstdio(void)
3768 {
3769 FIXME("stub, always returns 512\n");
3770 return 512;
3771 }
3772
3773 /*********************************************************************
3774 * _setmaxstdio_ (MSVCRT.@)
3775 */
3776 int CDECL _setmaxstdio(int newmax)
3777 {
3778 int res;
3779 if( newmax > 2048)
3780 res = -1;
3781 else
3782 res = newmax;
3783 FIXME("stub: setting new maximum for number of simultaneously open files not implemented,returning %d\n",res);
3784 return res;
3785 }
Maarten's multimedia branch