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po: Update Finnish translation.
[wine.git] / dlls / msvcrt / file.c
blob1594c335ab7fe21616746ec9e681b88e6f1abccb
1 /*
2 * msvcrt.dll file functions
3 *
4 * Copyright 1996,1998 Marcus Meissner
5 * Copyright 1996 Jukka Iivonen
6 * Copyright 1997,2000 Uwe Bonnes
7 * Copyright 2000 Jon Griffiths
8 * Copyright 2004 Eric Pouech
9 * Copyright 2004 Juan Lang
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 *
25 * TODO
26 * Use the file flag hints O_SEQUENTIAL, O_RANDOM, O_SHORT_LIVED
27 */
28
29 #include "config.h"
30 #include "wine/port.h"
31
32 #include <stdarg.h>
33 #include <stdio.h>
34 #ifdef HAVE_UNISTD_H
35 # include <unistd.h>
36 #endif
37 #include <sys/types.h>
38 #include <limits.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_READNL 0x04 /* read started with \n */
65 #define WX_PIPE 0x08
66 #define WX_DONTINHERIT 0x10
67 #define WX_APPEND 0x20
68 #define WX_NOSEEK 0x40
69 #define WX_TEXT 0x80
70
71 /* values for exflag - it's used differently in msvcr90.dll*/
72 #define EF_UTF8 0x01
73 #define EF_UTF16 0x02
74 #define EF_CRIT_INIT 0x04
75 #define EF_UNK_UNICODE 0x08
76
77 static char utf8_bom[3] = { 0xef, 0xbb, 0xbf };
78 static char utf16_bom[2] = { 0xff, 0xfe };
79
80 /* FIXME: this should be allocated dynamically */
81 #define MSVCRT_MAX_FILES 2048
82 #define MSVCRT_FD_BLOCK_SIZE 32
83
84 /* ioinfo structure size is different in msvcrXX.dll's */
85 typedef struct {
86 HANDLE handle;
87 unsigned char wxflag;
88 char lookahead[3];
89 int exflag;
90 CRITICAL_SECTION crit;
91 } ioinfo;
92
93 /*********************************************************************
94 * __pioinfo (MSVCRT.@)
95 * array of pointers to ioinfo arrays [32]
96 */
97 ioinfo * MSVCRT___pioinfo[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { 0 };
98
99 /*********************************************************************
100 * __badioinfo (MSVCRT.@)
101 */
102 ioinfo MSVCRT___badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT };
103
104 static int MSVCRT_fdstart = 3; /* first unallocated fd */
105 static int MSVCRT_fdend = 3; /* highest allocated fd */
106
107 typedef struct {
108 MSVCRT_FILE file;
109 CRITICAL_SECTION crit;
110 } file_crit;
111
112 MSVCRT_FILE MSVCRT__iob[_IOB_ENTRIES] = { { 0 } };
113 static file_crit* MSVCRT_fstream[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE];
114 static int MSVCRT_max_streams = 512, MSVCRT_stream_idx;
115
116 /* INTERNAL: process umask */
117 static int MSVCRT_umask = 0;
118
119 /* INTERNAL: static data for tmpnam and _wtmpname functions */
120 static int tmpnam_unique;
121
122 static const unsigned int EXE = 'e' << 16 | 'x' << 8 | 'e';
123 static const unsigned int BAT = 'b' << 16 | 'a' << 8 | 't';
124 static const unsigned int CMD = 'c' << 16 | 'm' << 8 | 'd';
125 static const unsigned int COM = 'c' << 16 | 'o' << 8 | 'm';
126
127 #define TOUL(x) (ULONGLONG)(x)
128 static const ULONGLONG WCEXE = TOUL('e') << 32 | TOUL('x') << 16 | TOUL('e');
129 static const ULONGLONG WCBAT = TOUL('b') << 32 | TOUL('a') << 16 | TOUL('t');
130 static const ULONGLONG WCCMD = TOUL('c') << 32 | TOUL('m') << 16 | TOUL('d');
131 static const ULONGLONG WCCOM = TOUL('c') << 32 | TOUL('o') << 16 | TOUL('m');
132
133 /* This critical section protects the tables MSVCRT___pioinfo and MSVCRT_fstreams,
134 * and their related indexes, MSVCRT_fdstart, MSVCRT_fdend,
135 * and MSVCRT_stream_idx, from race conditions.
136 * It doesn't protect against race conditions manipulating the underlying files
137 * or flags; doing so would probably be better accomplished with per-file
138 * protection, rather than locking the whole table for every change.
139 */
140 static CRITICAL_SECTION MSVCRT_file_cs;
141 static CRITICAL_SECTION_DEBUG MSVCRT_file_cs_debug =
142 {
143 0, 0, &MSVCRT_file_cs,
144 { &MSVCRT_file_cs_debug.ProcessLocksList, &MSVCRT_file_cs_debug.ProcessLocksList },
145 0, 0, { (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs") }
146 };
147 static CRITICAL_SECTION MSVCRT_file_cs = { &MSVCRT_file_cs_debug, -1, 0, 0, 0, 0 };
148 #define LOCK_FILES() do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)
149 #define UNLOCK_FILES() do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)
150
151 static void msvcrt_stat64_to_stat(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat *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 msvcrt_stat64_to_stati64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stati64 *buf)
167 {
168 buf->st_dev = buf64->st_dev;
169 buf->st_ino = buf64->st_ino;
170 buf->st_mode = buf64->st_mode;
171 buf->st_nlink = buf64->st_nlink;
172 buf->st_uid = buf64->st_uid;
173 buf->st_gid = buf64->st_gid;
174 buf->st_rdev = buf64->st_rdev;
175 buf->st_size = buf64->st_size;
176 buf->st_atime = buf64->st_atime;
177 buf->st_mtime = buf64->st_mtime;
178 buf->st_ctime = buf64->st_ctime;
179 }
180
181 static void msvcrt_stat64_to_stat32(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat32 *buf)
182 {
183 buf->st_dev = buf64->st_dev;
184 buf->st_ino = buf64->st_ino;
185 buf->st_mode = buf64->st_mode;
186 buf->st_nlink = buf64->st_nlink;
187 buf->st_uid = buf64->st_uid;
188 buf->st_gid = buf64->st_gid;
189 buf->st_rdev = buf64->st_rdev;
190 buf->st_size = buf64->st_size;
191 buf->st_atime = buf64->st_atime;
192 buf->st_mtime = buf64->st_mtime;
193 buf->st_ctime = buf64->st_ctime;
194 }
195
196 static void msvcrt_stat64_to_stat64i32(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat64i32 *buf)
197 {
198 buf->st_dev = buf64->st_dev;
199 buf->st_ino = buf64->st_ino;
200 buf->st_mode = buf64->st_mode;
201 buf->st_nlink = buf64->st_nlink;
202 buf->st_uid = buf64->st_uid;
203 buf->st_gid = buf64->st_gid;
204 buf->st_rdev = buf64->st_rdev;
205 buf->st_size = buf64->st_size;
206 buf->st_atime = buf64->st_atime;
207 buf->st_mtime = buf64->st_mtime;
208 buf->st_ctime = buf64->st_ctime;
209 }
210
211 static void time_to_filetime( MSVCRT___time64_t time, FILETIME *ft )
212 {
213 /* 1601 to 1970 is 369 years plus 89 leap days */
214 static const __int64 secs_1601_to_1970 = ((369 * 365 + 89) * (__int64)86400);
215
216 __int64 ticks = (time + secs_1601_to_1970) * 10000000;
217 ft->dwHighDateTime = ticks >> 32;
218 ft->dwLowDateTime = ticks;
219 }
220
221 static inline ioinfo* msvcrt_get_ioinfo(int fd)
222 {
223 ioinfo *ret = NULL;
224 if(fd < MSVCRT_MAX_FILES)
225 ret = MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE];
226 if(!ret)
227 return &MSVCRT___badioinfo;
228
229 return ret + (fd%MSVCRT_FD_BLOCK_SIZE);
230 }
231
232 static inline MSVCRT_FILE* msvcrt_get_file(int i)
233 {
234 file_crit *ret;
235
236 if(i >= MSVCRT_max_streams)
237 return NULL;
238
239 if(i < _IOB_ENTRIES)
240 return &MSVCRT__iob[i];
241
242 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE];
243 if(!ret) {
244 MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(file_crit));
245 if(!MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE]) {
246 ERR("out of memory\n");
247 *MSVCRT__errno() = MSVCRT_ENOMEM;
248 return NULL;
249 }
250
251 ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] + (i%MSVCRT_FD_BLOCK_SIZE);
252 } else
253 ret += i%MSVCRT_FD_BLOCK_SIZE;
254
255 return &ret->file;
256 }
257
258 static inline BOOL msvcrt_is_valid_fd(int fd)
259 {
260 return fd >= 0 && fd < MSVCRT_fdend && (msvcrt_get_ioinfo(fd)->wxflag & WX_OPEN);
261 }
262
263 /* INTERNAL: Get the HANDLE for a fd
264 * This doesn't lock the table, because a failure will result in
265 * INVALID_HANDLE_VALUE being returned, which should be handled correctly. If
266 * it returns a valid handle which is about to be closed, a subsequent call
267 * will fail, most likely in a sane way.
268 */
269 static HANDLE msvcrt_fdtoh(int fd)
270 {
271 if (!msvcrt_is_valid_fd(fd))
272 {
273 WARN(":fd (%d) - no handle!\n",fd);
274 *MSVCRT___doserrno() = 0;
275 *MSVCRT__errno() = MSVCRT_EBADF;
276 return INVALID_HANDLE_VALUE;
277 }
278 if (msvcrt_get_ioinfo(fd)->handle == INVALID_HANDLE_VALUE)
279 WARN("returning INVALID_HANDLE_VALUE for %d\n", fd);
280 return msvcrt_get_ioinfo(fd)->handle;
281 }
282
283 /* INTERNAL: free a file entry fd */
284 static void msvcrt_free_fd(int fd)
285 {
286 ioinfo *fdinfo;
287
288 LOCK_FILES();
289 fdinfo = msvcrt_get_ioinfo(fd);
290 if(fdinfo != &MSVCRT___badioinfo)
291 {
292 fdinfo->handle = INVALID_HANDLE_VALUE;
293 fdinfo->wxflag = 0;
294 }
295 TRACE(":fd (%d) freed\n",fd);
296
297 if (fd < 3)
298 {
299 switch (fd)
300 {
301 case 0:
302 SetStdHandle(STD_INPUT_HANDLE, 0);
303 break;
304 case 1:
305 SetStdHandle(STD_OUTPUT_HANDLE, 0);
306 break;
307 case 2:
308 SetStdHandle(STD_ERROR_HANDLE, 0);
309 break;
310 }
311 }
312
313 if (fd == MSVCRT_fdend - 1)
314 MSVCRT_fdend--;
315 if (fd < MSVCRT_fdstart)
316 MSVCRT_fdstart = fd;
317 UNLOCK_FILES();
318 }
319
320 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */
321 /* caller must hold the files lock */
322 static int msvcrt_set_fd(HANDLE hand, int flag, int fd)
323 {
324 ioinfo *fdinfo;
325
326 if (fd >= MSVCRT_MAX_FILES)
327 {
328 WARN(":files exhausted!\n");
329 *MSVCRT__errno() = MSVCRT_ENFILE;
330 return -1;
331 }
332
333 fdinfo = msvcrt_get_ioinfo(fd);
334 if(fdinfo == &MSVCRT___badioinfo) {
335 int i;
336
337 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(ioinfo));
338 if(!MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE]) {
339 WARN(":out of memory!\n");
340 *MSVCRT__errno() = MSVCRT_ENOMEM;
341 return -1;
342 }
343
344 for(i=0; i<MSVCRT_FD_BLOCK_SIZE; i++)
345 MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE][i].handle = INVALID_HANDLE_VALUE;
346
347 fdinfo = msvcrt_get_ioinfo(fd);
348 }
349
350 fdinfo->handle = hand;
351 fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT | WX_PIPE | WX_NOSEEK));
352 fdinfo->lookahead[0] = '\n';
353 fdinfo->lookahead[1] = '\n';
354 fdinfo->lookahead[2] = '\n';
355 fdinfo->exflag = 0;
356
357 /* locate next free slot */
358 if (fd == MSVCRT_fdstart && fd == MSVCRT_fdend)
359 MSVCRT_fdstart = MSVCRT_fdend + 1;
360 else
361 while (MSVCRT_fdstart < MSVCRT_fdend &&
362 msvcrt_get_ioinfo(MSVCRT_fdstart)->handle != INVALID_HANDLE_VALUE)
363 MSVCRT_fdstart++;
364 /* update last fd in use */
365 if (fd >= MSVCRT_fdend)
366 MSVCRT_fdend = fd + 1;
367 TRACE("fdstart is %d, fdend is %d\n", MSVCRT_fdstart, MSVCRT_fdend);
368
369 switch (fd)
370 {
371 case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
372 case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
373 case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
374 }
375
376 return fd;
377 }
378
379 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
380 static int msvcrt_alloc_fd(HANDLE hand, int flag)
381 {
382 int ret;
383
384 LOCK_FILES();
385 TRACE(":handle (%p) allocating fd (%d)\n",hand,MSVCRT_fdstart);
386 ret = msvcrt_set_fd(hand, flag, MSVCRT_fdstart);
387 UNLOCK_FILES();
388 return ret;
389 }
390
391 /* INTERNAL: Allocate a FILE* for an fd slot */
392 /* caller must hold the files lock */
393 static MSVCRT_FILE* msvcrt_alloc_fp(void)
394 {
395 int i;
396 MSVCRT_FILE *file;
397
398 for (i = 3; i < MSVCRT_max_streams; i++)
399 {
400 file = msvcrt_get_file(i);
401 if (!file)
402 return NULL;
403
404 if (file->_flag == 0)
405 {
406 if (i == MSVCRT_stream_idx)
407 {
408 if (file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
409 {
410 InitializeCriticalSection(&((file_crit*)file)->crit);
411 ((file_crit*)file)->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": file_crit.crit");
412 }
413 MSVCRT_stream_idx++;
414 }
415 return file;
416 }
417 }
418
419 return NULL;
420 }
421
422 /* INTERNAL: initialize a FILE* from an open fd */
423 static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags)
424 {
425 TRACE(":fd (%d) allocating FILE*\n",fd);
426 if (!msvcrt_is_valid_fd(fd))
427 {
428 WARN(":invalid fd %d\n",fd);
429 *MSVCRT___doserrno() = 0;
430 *MSVCRT__errno() = MSVCRT_EBADF;
431 return -1;
432 }
433 memset(file, 0, sizeof(*file));
434 file->_file = fd;
435 file->_flag = stream_flags;
436
437 TRACE(":got FILE* (%p)\n",file);
438 return 0;
439 }
440
441 /* INTERNAL: Create an inheritance data block (for spawned process)
442 * The inheritance block is made of:
443 * 00 int nb of file descriptor (NBFD)
444 * 04 char file flags (wxflag): repeated for each fd
445 * 4+NBFD HANDLE file handle: repeated for each fd
446 */
447 unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block)
448 {
449 int fd;
450 char* wxflag_ptr;
451 HANDLE* handle_ptr;
452 ioinfo* fdinfo;
453
454 *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
455 *block = MSVCRT_calloc(*size, 1);
456 if (!*block)
457 {
458 *size = 0;
459 return FALSE;
460 }
461 wxflag_ptr = (char*)*block + sizeof(unsigned);
462 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
463
464 *(unsigned*)*block = MSVCRT_fdend;
465 for (fd = 0; fd < MSVCRT_fdend; fd++)
466 {
467 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
468 fdinfo = msvcrt_get_ioinfo(fd);
469 if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
470 {
471 *wxflag_ptr = fdinfo->wxflag;
472 *handle_ptr = fdinfo->handle;
473 }
474 else
475 {
476 *wxflag_ptr = 0;
477 *handle_ptr = INVALID_HANDLE_VALUE;
478 }
479 wxflag_ptr++; handle_ptr++;
480 }
481 return TRUE;
482 }
483
484 /* INTERNAL: Set up all file descriptors,
485 * as well as default streams (stdin, stderr and stdout)
486 */
487 void msvcrt_init_io(void)
488 {
489 STARTUPINFOA si;
490 int i;
491 ioinfo *fdinfo;
492
493 GetStartupInfoA(&si);
494 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
495 {
496 BYTE* wxflag_ptr;
497 HANDLE* handle_ptr;
498 unsigned int count;
499
500 count = *(unsigned*)si.lpReserved2;
501 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
502 handle_ptr = (HANDLE*)(wxflag_ptr + count);
503
504 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
505 count = min(count, MSVCRT_MAX_FILES);
506 for (i = 0; i < count; i++)
507 {
508 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
509 msvcrt_set_fd(*handle_ptr, *wxflag_ptr, i);
510
511 wxflag_ptr++; handle_ptr++;
512 }
513 MSVCRT_fdend = max( 3, count );
514 for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
515 if (msvcrt_get_ioinfo(MSVCRT_fdstart)->handle == INVALID_HANDLE_VALUE) break;
516 }
517
518 fdinfo = msvcrt_get_ioinfo(MSVCRT_STDIN_FILENO);
519 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
520 HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
521 DWORD type = GetFileType(h);
522
523 msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_NOSEEK : 0)
524 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDIN_FILENO);
525 }
526
527 fdinfo = msvcrt_get_ioinfo(MSVCRT_STDOUT_FILENO);
528 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
529 HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
530 DWORD type = GetFileType(h);
531
532 msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_NOSEEK : 0)
533 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDOUT_FILENO);
534 }
535
536 fdinfo = msvcrt_get_ioinfo(MSVCRT_STDERR_FILENO);
537 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
538 HANDLE h = GetStdHandle(STD_ERROR_HANDLE);
539 DWORD type = GetFileType(h);
540
541 msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_NOSEEK : 0)
542 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDERR_FILENO);
543 }
544
545 TRACE(":handles (%p)(%p)(%p)\n", msvcrt_get_ioinfo(MSVCRT_STDIN_FILENO)->handle,
546 msvcrt_get_ioinfo(MSVCRT_STDOUT_FILENO)->handle,
547 msvcrt_get_ioinfo(MSVCRT_STDERR_FILENO)->handle);
548
549 memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
550 for (i = 0; i < 3; i++)
551 {
552 /* FILE structs for stdin/out/err are static and never deleted */
553 MSVCRT__iob[i]._file = i;
554 MSVCRT__iob[i]._tmpfname = NULL;
555 MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
556 }
557 MSVCRT_stream_idx = 3;
558 }
559
560 /* INTERNAL: Flush stdio file buffer */
561 static int msvcrt_flush_buffer(MSVCRT_FILE* file)
562 {
563 if(file->_bufsiz) {
564 int cnt=file->_ptr-file->_base;
565 if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) {
566 file->_flag |= MSVCRT__IOERR;
567 return MSVCRT_EOF;
568 }
569 file->_ptr=file->_base;
570 file->_cnt=file->_bufsiz;
571 }
572 return 0;
573 }
574
575 /*********************************************************************
576 * _isatty (MSVCRT.@)
577 */
578 int CDECL MSVCRT__isatty(int fd)
579 {
580 HANDLE hand = msvcrt_fdtoh(fd);
581
582 TRACE(":fd (%d) handle (%p)\n",fd,hand);
583 if (hand == INVALID_HANDLE_VALUE)
584 return 0;
585
586 return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
587 }
588
589 /* INTERNAL: Allocate stdio file buffer */
590 static BOOL msvcrt_alloc_buffer(MSVCRT_FILE* file)
591 {
592 if((file->_file==MSVCRT_STDOUT_FILENO || file->_file==MSVCRT_STDERR_FILENO)
593 && MSVCRT__isatty(file->_file))
594 return FALSE;
595
596 file->_base = MSVCRT_calloc(MSVCRT_BUFSIZ,1);
597 if(file->_base) {
598 file->_bufsiz = MSVCRT_BUFSIZ;
599 file->_flag |= MSVCRT__IOMYBUF;
600 } else {
601 file->_base = (char*)(&file->_charbuf);
602 /* put here 2 ??? */
603 file->_bufsiz = sizeof(file->_charbuf);
604 }
605 file->_ptr = file->_base;
606 file->_cnt = 0;
607 return TRUE;
608 }
609
610 /* INTERNAL: Allocate temporary buffer for stdout and stderr */
611 static BOOL add_std_buffer(MSVCRT_FILE *file)
612 {
613 static char buffers[2][MSVCRT_BUFSIZ];
614
615 if((file->_file!=MSVCRT_STDOUT_FILENO && file->_file!=MSVCRT_STDERR_FILENO)
616 || !MSVCRT__isatty(file->_file) || file->_bufsiz)
617 return FALSE;
618
619 file->_ptr = file->_base = buffers[file->_file == MSVCRT_STDOUT_FILENO ? 0 : 1];
620 file->_bufsiz = file->_cnt = MSVCRT_BUFSIZ;
621 return TRUE;
622 }
623
624 /* INTERNAL: Removes temporary buffer from stdout or stderr */
625 /* Only call this function when add_std_buffer returned TRUE */
626 static void remove_std_buffer(MSVCRT_FILE *file)
627 {
628 msvcrt_flush_buffer(file);
629 file->_ptr = file->_base = NULL;
630 file->_bufsiz = file->_cnt = 0;
631 }
632
633 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
634 static int msvcrt_int_to_base32(int num, char *str)
635 {
636 char *p;
637 int n = num;
638 int digits = 0;
639
640 while (n != 0)
641 {
642 n >>= 5;
643 digits++;
644 }
645 p = str + digits;
646 *p = 0;
647 while (--p >= str)
648 {
649 *p = (num & 31) + '0';
650 if (*p > '9')
651 *p += ('a' - '0' - 10);
652 num >>= 5;
653 }
654
655 return digits;
656 }
657
658 /* INTERNAL: wide character version of msvcrt_int_to_base32 */
659 static int msvcrt_int_to_base32_w(int num, MSVCRT_wchar_t *str)
660 {
661 MSVCRT_wchar_t *p;
662 int n = num;
663 int digits = 0;
664
665 while (n != 0)
666 {
667 n >>= 5;
668 digits++;
669 }
670 p = str + digits;
671 *p = 0;
672 while (--p >= str)
673 {
674 *p = (num & 31) + '0';
675 if (*p > '9')
676 *p += ('a' - '0' - 10);
677 num >>= 5;
678 }
679
680 return digits;
681 }
682
683 /*********************************************************************
684 * __iob_func(MSVCRT.@)
685 */
686 MSVCRT_FILE * CDECL MSVCRT___iob_func(void)
687 {
688 return &MSVCRT__iob[0];
689 }
690
691 /*********************************************************************
692 * _access (MSVCRT.@)
693 */
694 int CDECL MSVCRT__access(const char *filename, int mode)
695 {
696 DWORD attr = GetFileAttributesA(filename);
697
698 TRACE("(%s,%d) %d\n",filename,mode,attr);
699
700 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
701 {
702 msvcrt_set_errno(GetLastError());
703 return -1;
704 }
705 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
706 {
707 msvcrt_set_errno(ERROR_ACCESS_DENIED);
708 return -1;
709 }
710 return 0;
711 }
712
713 /*********************************************************************
714 * _access_s (MSVCRT.@)
715 */
716 int CDECL _access_s(const char *filename, int mode)
717 {
718 if (!MSVCRT_CHECK_PMT(filename != NULL)) return *MSVCRT__errno();
719 if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return *MSVCRT__errno();
720
721 if (MSVCRT__access(filename, mode) == -1)
722 return *MSVCRT__errno();
723 return 0;
724 }
725
726 /*********************************************************************
727 * _waccess (MSVCRT.@)
728 */
729 int CDECL MSVCRT__waccess(const MSVCRT_wchar_t *filename, int mode)
730 {
731 DWORD attr = GetFileAttributesW(filename);
732
733 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
734
735 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
736 {
737 msvcrt_set_errno(GetLastError());
738 return -1;
739 }
740 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
741 {
742 msvcrt_set_errno(ERROR_ACCESS_DENIED);
743 return -1;
744 }
745 return 0;
746 }
747
748 /*********************************************************************
749 * _waccess_s (MSVCRT.@)
750 */
751 int CDECL _waccess_s(const MSVCRT_wchar_t *filename, int mode)
752 {
753 if (!MSVCRT_CHECK_PMT(filename != NULL)) return *MSVCRT__errno();
754 if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return *MSVCRT__errno();
755
756 if (MSVCRT__waccess(filename, mode) == -1)
757 return *MSVCRT__errno();
758 return 0;
759 }
760
761 /*********************************************************************
762 * _chmod (MSVCRT.@)
763 */
764 int CDECL MSVCRT__chmod(const char *path, int flags)
765 {
766 DWORD oldFlags = GetFileAttributesA(path);
767
768 if (oldFlags != INVALID_FILE_ATTRIBUTES)
769 {
770 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
771 oldFlags | FILE_ATTRIBUTE_READONLY;
772
773 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
774 return 0;
775 }
776 msvcrt_set_errno(GetLastError());
777 return -1;
778 }
779
780 /*********************************************************************
781 * _wchmod (MSVCRT.@)
782 */
783 int CDECL MSVCRT__wchmod(const MSVCRT_wchar_t *path, int flags)
784 {
785 DWORD oldFlags = GetFileAttributesW(path);
786
787 if (oldFlags != INVALID_FILE_ATTRIBUTES)
788 {
789 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
790 oldFlags | FILE_ATTRIBUTE_READONLY;
791
792 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
793 return 0;
794 }
795 msvcrt_set_errno(GetLastError());
796 return -1;
797 }
798
799 /*********************************************************************
800 * _unlink (MSVCRT.@)
801 */
802 int CDECL MSVCRT__unlink(const char *path)
803 {
804 TRACE("%s\n",debugstr_a(path));
805 if(DeleteFileA(path))
806 return 0;
807 TRACE("failed (%d)\n",GetLastError());
808 msvcrt_set_errno(GetLastError());
809 return -1;
810 }
811
812 /*********************************************************************
813 * _wunlink (MSVCRT.@)
814 */
815 int CDECL MSVCRT__wunlink(const MSVCRT_wchar_t *path)
816 {
817 TRACE("(%s)\n",debugstr_w(path));
818 if(DeleteFileW(path))
819 return 0;
820 TRACE("failed (%d)\n",GetLastError());
821 msvcrt_set_errno(GetLastError());
822 return -1;
823 }
824
825 /*********************************************************************
826 * _commit (MSVCRT.@)
827 */
828 int CDECL MSVCRT__commit(int fd)
829 {
830 HANDLE hand = msvcrt_fdtoh(fd);
831
832 TRACE(":fd (%d) handle (%p)\n",fd,hand);
833 if (hand == INVALID_HANDLE_VALUE)
834 return -1;
835
836 if (!FlushFileBuffers(hand))
837 {
838 if (GetLastError() == ERROR_INVALID_HANDLE)
839 {
840 /* FlushFileBuffers fails for console handles
841 * so we ignore this error.
842 */
843 return 0;
844 }
845 TRACE(":failed-last error (%d)\n",GetLastError());
846 msvcrt_set_errno(GetLastError());
847 return -1;
848 }
849 TRACE(":ok\n");
850 return 0;
851 }
852
853 /* flush_all_buffers calls MSVCRT_fflush which calls flush_all_buffers */
854 int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
855
856 /* INTERNAL: Flush all stream buffer */
857 static int msvcrt_flush_all_buffers(int mask)
858 {
859 int i, num_flushed = 0;
860 MSVCRT_FILE *file;
861
862 LOCK_FILES();
863 for (i = 3; i < MSVCRT_stream_idx; i++) {
864 file = msvcrt_get_file(i);
865
866 if (file->_flag)
867 {
868 if(file->_flag & mask) {
869 MSVCRT_fflush(file);
870 num_flushed++;
871 }
872 }
873 }
874 UNLOCK_FILES();
875
876 TRACE(":flushed (%d) handles\n",num_flushed);
877 return num_flushed;
878 }
879
880 /*********************************************************************
881 * _flushall (MSVCRT.@)
882 */
883 int CDECL MSVCRT__flushall(void)
884 {
885 return msvcrt_flush_all_buffers(MSVCRT__IOWRT | MSVCRT__IOREAD);
886 }
887
888 /*********************************************************************
889 * fflush (MSVCRT.@)
890 */
891 int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
892 {
893 if(!file) {
894 msvcrt_flush_all_buffers(MSVCRT__IOWRT);
895 } else if(file->_flag & MSVCRT__IOWRT) {
896 int res;
897
898 MSVCRT__lock_file(file);
899 res = msvcrt_flush_buffer(file);
900
901 if(!res && (file->_flag & MSVCRT__IOCOMMIT))
902 res = MSVCRT__commit(file->_file) ? MSVCRT_EOF : 0;
903 MSVCRT__unlock_file(file);
904
905 return res;
906 } else if(file->_flag & MSVCRT__IOREAD) {
907 MSVCRT__lock_file(file);
908 file->_cnt = 0;
909 file->_ptr = file->_base;
910 MSVCRT__unlock_file(file);
911
912 return 0;
913 }
914 return 0;
915 }
916
917 /*********************************************************************
918 * _close (MSVCRT.@)
919 */
920 int CDECL MSVCRT__close(int fd)
921 {
922 HANDLE hand;
923 int ret;
924
925 LOCK_FILES();
926 hand = msvcrt_fdtoh(fd);
927 TRACE(":fd (%d) handle (%p)\n",fd,hand);
928 if (!msvcrt_is_valid_fd(fd)) {
929 ret = -1;
930 } else {
931 msvcrt_free_fd(fd);
932 ret = CloseHandle(hand) ? 0 : -1;
933 if (ret) {
934 WARN(":failed-last error (%d)\n",GetLastError());
935 msvcrt_set_errno(GetLastError());
936 }
937 }
938 UNLOCK_FILES();
939 TRACE(":ok\n");
940 return ret;
941 }
942
943 /*********************************************************************
944 * _dup2 (MSVCRT.@)
945 * NOTES
946 * MSDN isn't clear on this point, but the remarks for _pipe
947 * indicate file descriptors duplicated with _dup and _dup2 are always
948 * inheritable.
949 */
950 int CDECL MSVCRT__dup2(int od, int nd)
951 {
952 int ret;
953
954 TRACE("(od=%d, nd=%d)\n", od, nd);
955 LOCK_FILES();
956 if (nd < MSVCRT_MAX_FILES && nd >= 0 && msvcrt_is_valid_fd(od))
957 {
958 HANDLE handle;
959
960 if (DuplicateHandle(GetCurrentProcess(), msvcrt_get_ioinfo(od)->handle,
961 GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
962 {
963 int wxflag = msvcrt_get_ioinfo(od)->wxflag & ~MSVCRT__O_NOINHERIT;
964
965 if (msvcrt_is_valid_fd(nd))
966 MSVCRT__close(nd);
967 ret = msvcrt_set_fd(handle, wxflag, nd);
968 if (ret == -1)
969 {
970 CloseHandle(handle);
971 *MSVCRT__errno() = MSVCRT_EMFILE;
972 }
973 else
974 {
975 /* _dup2 returns 0, not nd, on success */
976 ret = 0;
977 }
978 }
979 else
980 {
981 ret = -1;
982 msvcrt_set_errno(GetLastError());
983 }
984 }
985 else
986 {
987 *MSVCRT__errno() = MSVCRT_EBADF;
988 ret = -1;
989 }
990 UNLOCK_FILES();
991 return ret;
992 }
993
994 /*********************************************************************
995 * _dup (MSVCRT.@)
996 */
997 int CDECL MSVCRT__dup(int od)
998 {
999 int fd, ret;
1000
1001 LOCK_FILES();
1002 fd = MSVCRT_fdstart;
1003 if (MSVCRT__dup2(od, fd) == 0)
1004 ret = fd;
1005 else
1006 ret = -1;
1007 UNLOCK_FILES();
1008 return ret;
1009 }
1010
1011 /*********************************************************************
1012 * _eof (MSVCRT.@)
1013 */
1014 int CDECL MSVCRT__eof(int fd)
1015 {
1016 DWORD curpos,endpos;
1017 LONG hcurpos,hendpos;
1018 HANDLE hand = msvcrt_fdtoh(fd);
1019
1020 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1021
1022 if (hand == INVALID_HANDLE_VALUE)
1023 return -1;
1024
1025 if (msvcrt_get_ioinfo(fd)->wxflag & WX_ATEOF) return TRUE;
1026
1027 /* Otherwise we do it the hard way */
1028 hcurpos = hendpos = 0;
1029 curpos = SetFilePointer(hand, 0, &hcurpos, FILE_CURRENT);
1030 endpos = SetFilePointer(hand, 0, &hendpos, FILE_END);
1031
1032 if (curpos == endpos && hcurpos == hendpos)
1033 {
1034 /* FIXME: shouldn't WX_ATEOF be set here? */
1035 return TRUE;
1036 }
1037
1038 SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN);
1039 return FALSE;
1040 }
1041
1042 /*********************************************************************
1043 * _fcloseall (MSVCRT.@)
1044 */
1045 int CDECL MSVCRT__fcloseall(void)
1046 {
1047 int num_closed = 0, i;
1048 MSVCRT_FILE *file;
1049
1050 LOCK_FILES();
1051 for (i = 3; i < MSVCRT_stream_idx; i++) {
1052 file = msvcrt_get_file(i);
1053
1054 if (file->_flag && !MSVCRT_fclose(file))
1055 num_closed++;
1056 }
1057 UNLOCK_FILES();
1058
1059 TRACE(":closed (%d) handles\n",num_closed);
1060 return num_closed;
1061 }
1062
1063 /* free everything on process exit */
1064 void msvcrt_free_io(void)
1065 {
1066 unsigned int i;
1067 int j;
1068
1069 MSVCRT__fcloseall();
1070 /* The Win32 _fcloseall() function explicitly doesn't close stdin,
1071 * stdout, and stderr (unlike GNU), so we need to fclose() them here
1072 * or they won't get flushed.
1073 */
1074 MSVCRT_fclose(&MSVCRT__iob[0]);
1075 MSVCRT_fclose(&MSVCRT__iob[1]);
1076 MSVCRT_fclose(&MSVCRT__iob[2]);
1077
1078 for(i=0; i<sizeof(MSVCRT___pioinfo)/sizeof(MSVCRT___pioinfo[0]); i++)
1079 MSVCRT_free(MSVCRT___pioinfo[i]);
1080
1081 for(j=0; j<MSVCRT_stream_idx; j++)
1082 {
1083 MSVCRT_FILE *file = msvcrt_get_file(j);
1084 if(file<MSVCRT__iob || file>=MSVCRT__iob+_IOB_ENTRIES)
1085 {
1086 ((file_crit*)file)->crit.DebugInfo->Spare[0] = 0;
1087 DeleteCriticalSection(&((file_crit*)file)->crit);
1088 }
1089 }
1090
1091 for(i=0; i<sizeof(MSVCRT_fstream)/sizeof(MSVCRT_fstream[0]); i++)
1092 MSVCRT_free(MSVCRT_fstream[i]);
1093
1094 DeleteCriticalSection(&MSVCRT_file_cs);
1095 }
1096
1097 /*********************************************************************
1098 * _lseeki64 (MSVCRT.@)
1099 */
1100 __int64 CDECL MSVCRT__lseeki64(int fd, __int64 offset, int whence)
1101 {
1102 HANDLE hand = msvcrt_fdtoh(fd);
1103 LARGE_INTEGER ofs;
1104
1105 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1106 if (hand == INVALID_HANDLE_VALUE)
1107 return -1;
1108
1109 if (whence < 0 || whence > 2)
1110 {
1111 *MSVCRT__errno() = MSVCRT_EINVAL;
1112 return -1;
1113 }
1114
1115 TRACE(":fd (%d) to %s pos %s\n",
1116 fd,wine_dbgstr_longlong(offset),
1117 (whence==SEEK_SET)?"SEEK_SET":
1118 (whence==SEEK_CUR)?"SEEK_CUR":
1119 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
1120
1121 /* The MoleBox protection scheme expects msvcrt to use SetFilePointer only,
1122 * so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */
1123 ofs.QuadPart = offset;
1124 if ((ofs.u.LowPart = SetFilePointer(hand, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER ||
1125 GetLastError() == ERROR_SUCCESS)
1126 {
1127 msvcrt_get_ioinfo(fd)->wxflag &= ~WX_ATEOF;
1128 /* FIXME: What if we seek _to_ EOF - is EOF set? */
1129
1130 return ofs.QuadPart;
1131 }
1132 TRACE(":error-last error (%d)\n",GetLastError());
1133 msvcrt_set_errno(GetLastError());
1134 return -1;
1135 }
1136
1137 /*********************************************************************
1138 * _lseek (MSVCRT.@)
1139 */
1140 LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence)
1141 {
1142 return MSVCRT__lseeki64(fd, offset, whence);
1143 }
1144
1145 /*********************************************************************
1146 * _lock_file (MSVCRT.@)
1147 */
1148 void CDECL MSVCRT__lock_file(MSVCRT_FILE *file)
1149 {
1150 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1151 _lock(_STREAM_LOCKS+(file-MSVCRT__iob));
1152 else
1153 EnterCriticalSection(&((file_crit*)file)->crit);
1154 }
1155
1156 /*********************************************************************
1157 * _unlock_file (MSVCRT.@)
1158 */
1159 void CDECL MSVCRT__unlock_file(MSVCRT_FILE *file)
1160 {
1161 if(file>=MSVCRT__iob && file<MSVCRT__iob+_IOB_ENTRIES)
1162 _unlock(_STREAM_LOCKS+(file-MSVCRT__iob));
1163 else
1164 LeaveCriticalSection(&((file_crit*)file)->crit);
1165 }
1166
1167 /*********************************************************************
1168 * _locking (MSVCRT.@)
1169 *
1170 * This is untested; the underlying LockFile doesn't work yet.
1171 */
1172 int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes)
1173 {
1174 BOOL ret;
1175 DWORD cur_locn;
1176 HANDLE hand = msvcrt_fdtoh(fd);
1177
1178 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1179 if (hand == INVALID_HANDLE_VALUE)
1180 return -1;
1181
1182 if (mode < 0 || mode > 4)
1183 {
1184 *MSVCRT__errno() = MSVCRT_EINVAL;
1185 return -1;
1186 }
1187
1188 TRACE(":fd (%d) by 0x%08x mode %s\n",
1189 fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
1190 (mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
1191 (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
1192 (mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
1193 (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
1194 "UNKNOWN");
1195
1196 if ((cur_locn = SetFilePointer(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
1197 {
1198 FIXME ("Seek failed\n");
1199 *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
1200 return -1;
1201 }
1202 if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
1203 {
1204 int nretry = 10;
1205 ret = 1; /* just to satisfy gcc */
1206 while (nretry--)
1207 {
1208 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1209 if (ret) break;
1210 Sleep(1);
1211 }
1212 }
1213 else if (mode == MSVCRT__LK_UNLCK)
1214 ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L);
1215 else
1216 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1217 /* FIXME - what about error settings? */
1218 return ret ? 0 : -1;
1219 }
1220
1221 /*********************************************************************
1222 * _fseeki64 (MSVCRT.@)
1223 */
1224 int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence)
1225 {
1226 int ret;
1227
1228 MSVCRT__lock_file(file);
1229 /* Flush output if needed */
1230 if(file->_flag & MSVCRT__IOWRT)
1231 msvcrt_flush_buffer(file);
1232
1233 if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
1234 whence = SEEK_SET;
1235 offset += MSVCRT__ftelli64(file);
1236 }
1237
1238 /* Discard buffered input */
1239 file->_cnt = 0;
1240 file->_ptr = file->_base;
1241 /* Reset direction of i/o */
1242 if(file->_flag & MSVCRT__IORW) {
1243 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
1244 }
1245 /* Clear end of file flag */
1246 file->_flag &= ~MSVCRT__IOEOF;
1247 ret = (MSVCRT__lseeki64(file->_file,offset,whence) == -1)?-1:0;
1248
1249 MSVCRT__unlock_file(file);
1250 return ret;
1251 }
1252
1253 /*********************************************************************
1254 * fseek (MSVCRT.@)
1255 */
1256 int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
1257 {
1258 return MSVCRT__fseeki64( file, offset, whence );
1259 }
1260
1261 /*********************************************************************
1262 * _chsize (MSVCRT.@)
1263 */
1264 int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
1265 {
1266 LONG cur, pos;
1267 HANDLE handle;
1268 BOOL ret = FALSE;
1269
1270 TRACE("(fd=%d, size=%d)\n", fd, size);
1271
1272 LOCK_FILES();
1273
1274 handle = msvcrt_fdtoh(fd);
1275 if (handle != INVALID_HANDLE_VALUE)
1276 {
1277 /* save the current file pointer */
1278 cur = MSVCRT__lseek(fd, 0, SEEK_CUR);
1279 if (cur >= 0)
1280 {
1281 pos = MSVCRT__lseek(fd, size, SEEK_SET);
1282 if (pos >= 0)
1283 {
1284 ret = SetEndOfFile(handle);
1285 if (!ret) msvcrt_set_errno(GetLastError());
1286 }
1287
1288 /* restore the file pointer */
1289 MSVCRT__lseek(fd, cur, SEEK_SET);
1290 }
1291 }
1292
1293 UNLOCK_FILES();
1294 return ret ? 0 : -1;
1295 }
1296
1297 /*********************************************************************
1298 * clearerr (MSVCRT.@)
1299 */
1300 void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
1301 {
1302 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1303
1304 MSVCRT__lock_file(file);
1305 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
1306 MSVCRT__unlock_file(file);
1307 }
1308
1309 /*********************************************************************
1310 * rewind (MSVCRT.@)
1311 */
1312 void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
1313 {
1314 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1315
1316 MSVCRT__lock_file(file);
1317 MSVCRT_fseek(file, 0L, SEEK_SET);
1318 MSVCRT_clearerr(file);
1319 MSVCRT__unlock_file(file);
1320 }
1321
1322 static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags)
1323 {
1324 int plus = strchrW(mode, '+') != NULL;
1325
1326 TRACE("%s\n", debugstr_w(mode));
1327
1328 while(*mode == ' ') mode++;
1329
1330 switch(*mode++)
1331 {
1332 case 'R': case 'r':
1333 *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
1334 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
1335 break;
1336 case 'W': case 'w':
1337 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1338 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1339 break;
1340 case 'A': case 'a':
1341 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1342 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1343 break;
1344 default:
1345 MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
1346 return -1;
1347 }
1348
1349 *stream_flags |= MSVCRT__commode;
1350
1351 while (*mode && *mode!=',')
1352 switch (*mode++)
1353 {
1354 case 'B': case 'b':
1355 *open_flags |= MSVCRT__O_BINARY;
1356 *open_flags &= ~MSVCRT__O_TEXT;
1357 break;
1358 case 't':
1359 *open_flags |= MSVCRT__O_TEXT;
1360 *open_flags &= ~MSVCRT__O_BINARY;
1361 break;
1362 case 'D':
1363 *open_flags |= MSVCRT__O_TEMPORARY;
1364 break;
1365 case 'T':
1366 *open_flags |= MSVCRT__O_SHORT_LIVED;
1367 break;
1368 case 'c':
1369 *stream_flags |= MSVCRT__IOCOMMIT;
1370 break;
1371 case 'n':
1372 *stream_flags &= ~MSVCRT__IOCOMMIT;
1373 break;
1374 case 'N':
1375 *open_flags |= MSVCRT__O_NOINHERIT;
1376 break;
1377 case '+':
1378 case ' ':
1379 case 'a':
1380 case 'w':
1381 break;
1382 case 'S':
1383 case 'R':
1384 FIXME("ignoring cache optimization flag: %c\n", mode[-1]);
1385 break;
1386 default:
1387 MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
1388 return -1;
1389 }
1390
1391 if(*mode == ',')
1392 {
1393 static const WCHAR ccs[] = {'c','c','s'};
1394 static const WCHAR utf8[] = {'u','t','f','-','8'};
1395 static const WCHAR utf16le[] = {'u','t','f','-','1','6','l','e'};
1396 static const WCHAR unicode[] = {'u','n','i','c','o','d','e'};
1397
1398 mode++;
1399 while(*mode == ' ') mode++;
1400 if(!MSVCRT_CHECK_PMT(!strncmpW(ccs, mode, sizeof(ccs)/sizeof(ccs[0]))))
1401 return -1;
1402 mode += sizeof(ccs)/sizeof(ccs[0]);
1403 while(*mode == ' ') mode++;
1404 if(!MSVCRT_CHECK_PMT(*mode == '='))
1405 return -1;
1406 mode++;
1407 while(*mode == ' ') mode++;
1408
1409 if(!strncmpiW(utf8, mode, sizeof(utf8)/sizeof(utf8[0])))
1410 {
1411 *open_flags |= MSVCRT__O_U8TEXT;
1412 mode += sizeof(utf8)/sizeof(utf8[0]);
1413 }
1414 else if(!strncmpiW(utf16le, mode, sizeof(utf16le)/sizeof(utf16le[0])))
1415 {
1416 *open_flags |= MSVCRT__O_U16TEXT;
1417 mode += sizeof(utf16le)/sizeof(utf16le[0]);
1418 }
1419 else if(!strncmpiW(unicode, mode, sizeof(unicode)/sizeof(unicode[0])))
1420 {
1421 *open_flags |= MSVCRT__O_WTEXT;
1422 mode += sizeof(unicode)/sizeof(unicode[0]);
1423 }
1424 else
1425 {
1426 MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL);
1427 return -1;
1428 }
1429
1430 while(*mode == ' ') mode++;
1431 }
1432
1433 if(!MSVCRT_CHECK_PMT(*mode == 0))
1434 return -1;
1435 return 0;
1436 }
1437
1438 /*********************************************************************
1439 * _fdopen (MSVCRT.@)
1440 */
1441 MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode)
1442 {
1443 MSVCRT_FILE *ret;
1444 MSVCRT_wchar_t *modeW = NULL;
1445
1446 if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
1447
1448 ret = MSVCRT__wfdopen(fd, modeW);
1449
1450 MSVCRT_free(modeW);
1451 return ret;
1452 }
1453
1454 /*********************************************************************
1455 * _wfdopen (MSVCRT.@)
1456 */
1457 MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
1458 {
1459 int open_flags, stream_flags;
1460 MSVCRT_FILE* file;
1461
1462 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
1463
1464 LOCK_FILES();
1465 if (!(file = msvcrt_alloc_fp()))
1466 file = NULL;
1467 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
1468 {
1469 file->_flag = 0;
1470 file = NULL;
1471 }
1472 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
1473 UNLOCK_FILES();
1474
1475 return file;
1476 }
1477
1478 /*********************************************************************
1479 * _filelength (MSVCRT.@)
1480 */
1481 LONG CDECL MSVCRT__filelength(int fd)
1482 {
1483 LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR);
1484 if (curPos != -1)
1485 {
1486 LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END);
1487 if (endPos != -1)
1488 {
1489 if (endPos != curPos)
1490 MSVCRT__lseek(fd, curPos, SEEK_SET);
1491 return endPos;
1492 }
1493 }
1494 return -1;
1495 }
1496
1497 /*********************************************************************
1498 * _filelengthi64 (MSVCRT.@)
1499 */
1500 __int64 CDECL MSVCRT__filelengthi64(int fd)
1501 {
1502 __int64 curPos = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1503 if (curPos != -1)
1504 {
1505 __int64 endPos = MSVCRT__lseeki64(fd, 0, SEEK_END);
1506 if (endPos != -1)
1507 {
1508 if (endPos != curPos)
1509 MSVCRT__lseeki64(fd, curPos, SEEK_SET);
1510 return endPos;
1511 }
1512 }
1513 return -1;
1514 }
1515
1516 /*********************************************************************
1517 * _fileno (MSVCRT.@)
1518 */
1519 int CDECL MSVCRT__fileno(MSVCRT_FILE* file)
1520 {
1521 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
1522 return file->_file;
1523 }
1524
1525 /*********************************************************************
1526 * _fstat64 (MSVCRT.@)
1527 */
1528 int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf)
1529 {
1530 DWORD dw;
1531 DWORD type;
1532 BY_HANDLE_FILE_INFORMATION hfi;
1533 HANDLE hand = msvcrt_fdtoh(fd);
1534
1535 TRACE(":fd (%d) stat (%p)\n",fd,buf);
1536 if (hand == INVALID_HANDLE_VALUE)
1537 return -1;
1538
1539 if (!buf)
1540 {
1541 WARN(":failed-NULL buf\n");
1542 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1543 return -1;
1544 }
1545
1546 memset(&hfi, 0, sizeof(hfi));
1547 memset(buf, 0, sizeof(struct MSVCRT__stat64));
1548 type = GetFileType(hand);
1549 if (type == FILE_TYPE_PIPE)
1550 {
1551 buf->st_dev = buf->st_rdev = fd;
1552 buf->st_mode = S_IFIFO;
1553 buf->st_nlink = 1;
1554 }
1555 else if (type == FILE_TYPE_CHAR)
1556 {
1557 buf->st_dev = buf->st_rdev = fd;
1558 buf->st_mode = S_IFCHR;
1559 buf->st_nlink = 1;
1560 }
1561 else /* FILE_TYPE_DISK etc. */
1562 {
1563 if (!GetFileInformationByHandle(hand, &hfi))
1564 {
1565 WARN(":failed-last error (%d)\n",GetLastError());
1566 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1567 return -1;
1568 }
1569 buf->st_mode = S_IFREG | 0444;
1570 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1571 buf->st_mode |= 0222;
1572 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1573 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1574 buf->st_atime = dw;
1575 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1576 buf->st_mtime = buf->st_ctime = dw;
1577 buf->st_nlink = hfi.nNumberOfLinks;
1578 }
1579 TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
1580 buf->st_mode);
1581 return 0;
1582 }
1583
1584 /*********************************************************************
1585 * _fstati64 (MSVCRT.@)
1586 */
1587 int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
1588 {
1589 int ret;
1590 struct MSVCRT__stat64 buf64;
1591
1592 ret = MSVCRT__fstat64(fd, &buf64);
1593 if (!ret)
1594 msvcrt_stat64_to_stati64(&buf64, buf);
1595 return ret;
1596 }
1597
1598 /*********************************************************************
1599 * _fstat (MSVCRT.@)
1600 */
1601 int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
1602 { int ret;
1603 struct MSVCRT__stat64 buf64;
1604
1605 ret = MSVCRT__fstat64(fd, &buf64);
1606 if (!ret)
1607 msvcrt_stat64_to_stat(&buf64, buf);
1608 return ret;
1609 }
1610
1611 /* _fstat32 - not exported in native msvcrt */
1612 int CDECL _fstat32(int fd, struct MSVCRT__stat32* buf)
1613 {
1614 int ret;
1615 struct MSVCRT__stat64 buf64;
1616
1617 ret = MSVCRT__fstat64(fd, &buf64);
1618 if (!ret)
1619 msvcrt_stat64_to_stat32(&buf64, buf);
1620 return ret;
1621 }
1622
1623 /* _fstat64i32 - not exported in native msvcrt */
1624 int CDECL _fstat64i32(int fd, struct MSVCRT__stat64i32* buf)
1625 {
1626 int ret;
1627 struct MSVCRT__stat64 buf64;
1628
1629 ret = MSVCRT__fstat64(fd, &buf64);
1630 if (!ret)
1631 msvcrt_stat64_to_stat64i32(&buf64, buf);
1632 return ret;
1633 }
1634
1635 /*********************************************************************
1636 * _futime64 (MSVCRT.@)
1637 */
1638 int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t)
1639 {
1640 HANDLE hand = msvcrt_fdtoh(fd);
1641 FILETIME at, wt;
1642
1643 if (!t)
1644 {
1645 time_to_filetime( MSVCRT__time64(NULL), &at );
1646 wt = at;
1647 }
1648 else
1649 {
1650 time_to_filetime( t->actime, &at );
1651 time_to_filetime( t->modtime, &wt );
1652 }
1653
1654 if (!SetFileTime(hand, NULL, &at, &wt))
1655 {
1656 msvcrt_set_errno(GetLastError());
1657 return -1 ;
1658 }
1659 return 0;
1660 }
1661
1662 /*********************************************************************
1663 * _futime32 (MSVCRT.@)
1664 */
1665 int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t)
1666 {
1667 if (t)
1668 {
1669 struct MSVCRT___utimbuf64 t64;
1670 t64.actime = t->actime;
1671 t64.modtime = t->modtime;
1672 return _futime64( fd, &t64 );
1673 }
1674 else
1675 return _futime64( fd, NULL );
1676 }
1677
1678 /*********************************************************************
1679 * _futime (MSVCRT.@)
1680 */
1681 #ifdef _WIN64
1682 int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t)
1683 {
1684 return _futime64( fd, t );
1685 }
1686 #else
1687 int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t)
1688 {
1689 return _futime32( fd, t );
1690 }
1691 #endif
1692
1693 /*********************************************************************
1694 * _get_osfhandle (MSVCRT.@)
1695 */
1696 MSVCRT_intptr_t CDECL MSVCRT__get_osfhandle(int fd)
1697 {
1698 HANDLE hand = msvcrt_fdtoh(fd);
1699 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1700
1701 return (MSVCRT_intptr_t)hand;
1702 }
1703
1704 /*********************************************************************
1705 * _mktemp_s (MSVCRT.@)
1706 */
1707 int CDECL MSVCRT__mktemp_s(char *pattern, MSVCRT_size_t size)
1708 {
1709 DWORD len, xno, id;
1710
1711 if(!MSVCRT_CHECK_PMT(pattern!=NULL))
1712 return MSVCRT_EINVAL;
1713
1714 for(len=0; len<size; len++)
1715 if(!pattern[len])
1716 break;
1717 if(!MSVCRT_CHECK_PMT(len!=size && len>=6)) {
1718 if(size)
1719 pattern[0] = 0;
1720 return MSVCRT_EINVAL;
1721 }
1722
1723 for(xno=1; xno<=6; xno++)
1724 if(!MSVCRT_CHECK_PMT(pattern[len-xno] == 'X'))
1725 return MSVCRT_EINVAL;
1726
1727 id = GetCurrentProcessId();
1728 for(xno=1; xno<6; xno++) {
1729 pattern[len-xno] = id%10 + '0';
1730 id /= 10;
1731 }
1732
1733 for(pattern[len-6]='a'; pattern[len-6]<='z'; pattern[len-6]++) {
1734 if(GetFileAttributesA(pattern) == INVALID_FILE_ATTRIBUTES)
1735 return 0;
1736 }
1737
1738 pattern[0] = 0;
1739 *MSVCRT__errno() = MSVCRT_EEXIST;
1740 return MSVCRT_EEXIST;
1741 }
1742
1743 /*********************************************************************
1744 * _mktemp (MSVCRT.@)
1745 */
1746 char * CDECL MSVCRT__mktemp(char *pattern)
1747 {
1748 int numX = 0;
1749 char *retVal = pattern;
1750 int id;
1751 char letter = 'a';
1752
1753 if(!pattern)
1754 return NULL;
1755
1756 while(*pattern)
1757 numX = (*pattern++ == 'X')? numX + 1 : 0;
1758 if (numX < 6)
1759 return NULL;
1760 pattern--;
1761 id = GetCurrentProcessId();
1762 numX = 6;
1763 while(numX--)
1764 {
1765 int tempNum = id / 10;
1766 *pattern-- = id - (tempNum * 10) + '0';
1767 id = tempNum;
1768 }
1769 pattern++;
1770 do
1771 {
1772 *pattern = letter++;
1773 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES)
1774 return retVal;
1775 } while(letter <= 'z');
1776 return NULL;
1777 }
1778
1779 /*********************************************************************
1780 * _wmktemp_s (MSVCRT.@)
1781 */
1782 int CDECL MSVCRT__wmktemp_s(MSVCRT_wchar_t *pattern, MSVCRT_size_t size)
1783 {
1784 DWORD len, xno, id;
1785
1786 if(!MSVCRT_CHECK_PMT(pattern!=NULL))
1787 return MSVCRT_EINVAL;
1788
1789 for(len=0; len<size; len++)
1790 if(!pattern[len])
1791 break;
1792 if(!MSVCRT_CHECK_PMT(len!=size && len>=6)) {
1793 if(size)
1794 pattern[0] = 0;
1795 return MSVCRT_EINVAL;
1796 }
1797
1798 for(xno=1; xno<=6; xno++)
1799 if(!MSVCRT_CHECK_PMT(pattern[len-xno] == 'X'))
1800 return MSVCRT_EINVAL;
1801
1802 id = GetCurrentProcessId();
1803 for(xno=1; xno<6; xno++) {
1804 pattern[len-xno] = id%10 + '0';
1805 id /= 10;
1806 }
1807
1808 for(pattern[len-6]='a'; pattern[len-6]<='z'; pattern[len-6]++) {
1809 if(GetFileAttributesW(pattern) == INVALID_FILE_ATTRIBUTES)
1810 return 0;
1811 }
1812
1813 pattern[0] = 0;
1814 *MSVCRT__errno() = MSVCRT_EEXIST;
1815 return MSVCRT_EEXIST;
1816 }
1817
1818 /*********************************************************************
1819 * _wmktemp (MSVCRT.@)
1820 */
1821 MSVCRT_wchar_t * CDECL MSVCRT__wmktemp(MSVCRT_wchar_t *pattern)
1822 {
1823 int numX = 0;
1824 MSVCRT_wchar_t *retVal = pattern;
1825 int id;
1826 MSVCRT_wchar_t letter = 'a';
1827
1828 if(!pattern)
1829 return NULL;
1830
1831 while(*pattern)
1832 numX = (*pattern++ == 'X')? numX + 1 : 0;
1833 if (numX < 6)
1834 return NULL;
1835 pattern--;
1836 id = GetCurrentProcessId();
1837 numX = 6;
1838 while(numX--)
1839 {
1840 int tempNum = id / 10;
1841 *pattern-- = id - (tempNum * 10) + '0';
1842 id = tempNum;
1843 }
1844 pattern++;
1845 do
1846 {
1847 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES)
1848 return retVal;
1849 *pattern = letter++;
1850 } while(letter != '|');
1851 return NULL;
1852 }
1853
1854 static unsigned split_oflags(unsigned oflags)
1855 {
1856 int wxflags = 0;
1857 unsigned unsupp; /* until we support everything */
1858
1859 if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
1860 if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */}
1861 else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
1862 else if (oflags & MSVCRT__O_WTEXT) wxflags |= WX_TEXT;
1863 else if (oflags & MSVCRT__O_U16TEXT) wxflags |= WX_TEXT;
1864 else if (oflags & MSVCRT__O_U8TEXT) wxflags |= WX_TEXT;
1865 else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */}
1866 else wxflags |= WX_TEXT; /* default to TEXT*/
1867 if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1868
1869 if ((unsupp = oflags & ~(
1870 MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|
1871 MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT|
1872 MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY|
1873 MSVCRT__O_NOINHERIT|
1874 MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED|
1875 MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT
1876 )))
1877 ERR(":unsupported oflags 0x%04x\n",unsupp);
1878
1879 return wxflags;
1880 }
1881
1882 /*********************************************************************
1883 * _pipe (MSVCRT.@)
1884 */
1885 int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode)
1886 {
1887 int ret = -1;
1888 SECURITY_ATTRIBUTES sa;
1889 HANDLE readHandle, writeHandle;
1890
1891 if (!pfds)
1892 {
1893 *MSVCRT__errno() = MSVCRT_EINVAL;
1894 return -1;
1895 }
1896
1897 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
1898 sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT);
1899 sa.lpSecurityDescriptor = NULL;
1900 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
1901 {
1902 unsigned int wxflags = split_oflags(textmode);
1903 int fd;
1904
1905 LOCK_FILES();
1906 fd = msvcrt_alloc_fd(readHandle, wxflags|WX_PIPE);
1907 if (fd != -1)
1908 {
1909 pfds[0] = fd;
1910 fd = msvcrt_alloc_fd(writeHandle, wxflags|WX_PIPE);
1911 if (fd != -1)
1912 {
1913 pfds[1] = fd;
1914 ret = 0;
1915 }
1916 else
1917 {
1918 MSVCRT__close(pfds[0]);
1919 CloseHandle(writeHandle);
1920 *MSVCRT__errno() = MSVCRT_EMFILE;
1921 }
1922 }
1923 else
1924 {
1925 CloseHandle(readHandle);
1926 CloseHandle(writeHandle);
1927 *MSVCRT__errno() = MSVCRT_EMFILE;
1928 }
1929 UNLOCK_FILES();
1930 }
1931 else
1932 msvcrt_set_errno(GetLastError());
1933
1934 return ret;
1935 }
1936
1937 static int check_bom(HANDLE h, int oflags, BOOL seek)
1938 {
1939 char bom[sizeof(utf8_bom)];
1940 DWORD r;
1941
1942 oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT);
1943
1944 if (!ReadFile(h, bom, sizeof(utf8_bom), &r, NULL))
1945 return oflags;
1946
1947 if (r==sizeof(utf8_bom) && !memcmp(bom, utf8_bom, sizeof(utf8_bom))) {
1948 oflags |= MSVCRT__O_U8TEXT;
1949 }else if (r>=sizeof(utf16_bom) && !memcmp(bom, utf16_bom, sizeof(utf16_bom))) {
1950 if (seek && r>2)
1951 SetFilePointer(h, 2, NULL, FILE_BEGIN);
1952 oflags |= MSVCRT__O_U16TEXT;
1953 }else if (seek) {
1954 SetFilePointer(h, 0, NULL, FILE_BEGIN);
1955 }
1956
1957 return oflags;
1958 }
1959
1960 /*********************************************************************
1961 * _wsopen_s (MSVCRT.@)
1962 */
1963 int CDECL MSVCRT__wsopen_s( int *fd, const MSVCRT_wchar_t* path, int oflags, int shflags, int pmode )
1964 {
1965 DWORD access = 0, creation = 0, attrib;
1966 SECURITY_ATTRIBUTES sa;
1967 DWORD sharing;
1968 int wxflag;
1969 HANDLE hand;
1970
1971 TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1972 fd, debugstr_w(path), oflags, shflags, pmode);
1973
1974 if (!MSVCRT_CHECK_PMT( fd != NULL )) return MSVCRT_EINVAL;
1975
1976 *fd = -1;
1977 wxflag = split_oflags(oflags);
1978 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1979 {
1980 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1981 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1982 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1983 }
1984
1985 if (oflags & MSVCRT__O_CREAT)
1986 {
1987 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1988 FIXME(": pmode 0x%04x ignored\n", pmode);
1989 else
1990 WARN(": pmode 0x%04x ignored\n", pmode);
1991
1992 if (oflags & MSVCRT__O_EXCL)
1993 creation = CREATE_NEW;
1994 else if (oflags & MSVCRT__O_TRUNC)
1995 creation = CREATE_ALWAYS;
1996 else
1997 creation = OPEN_ALWAYS;
1998 }
1999 else /* no MSVCRT__O_CREAT */
2000 {
2001 if (oflags & MSVCRT__O_TRUNC)
2002 creation = TRUNCATE_EXISTING;
2003 else
2004 creation = OPEN_EXISTING;
2005 }
2006
2007 switch( shflags )
2008 {
2009 case MSVCRT__SH_DENYRW:
2010 sharing = 0L;
2011 break;
2012 case MSVCRT__SH_DENYWR:
2013 sharing = FILE_SHARE_READ;
2014 break;
2015 case MSVCRT__SH_DENYRD:
2016 sharing = FILE_SHARE_WRITE;
2017 break;
2018 case MSVCRT__SH_DENYNO:
2019 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
2020 break;
2021 default:
2022 ERR( "Unhandled shflags 0x%x\n", shflags );
2023 return MSVCRT_EINVAL;
2024 }
2025 attrib = FILE_ATTRIBUTE_NORMAL;
2026
2027 if (oflags & MSVCRT__O_TEMPORARY)
2028 {
2029 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
2030 access |= DELETE;
2031 sharing |= FILE_SHARE_DELETE;
2032 }
2033
2034 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
2035 sa.lpSecurityDescriptor = NULL;
2036 sa.bInheritHandle = !(oflags & MSVCRT__O_NOINHERIT);
2037
2038 if ((oflags&(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT))
2039 && (creation==OPEN_ALWAYS || creation==OPEN_EXISTING)
2040 && !(access&GENERIC_READ))
2041 {
2042 hand = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
2043 &sa, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
2044 if (hand != INVALID_HANDLE_VALUE)
2045 {
2046 oflags = check_bom(hand, oflags, FALSE);
2047 CloseHandle(hand);
2048 }
2049 else
2050 oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT);
2051 }
2052
2053 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
2054 if (hand == INVALID_HANDLE_VALUE) {
2055 WARN(":failed-last error (%d)\n",GetLastError());
2056 msvcrt_set_errno(GetLastError());
2057 return *MSVCRT__errno();
2058 }
2059
2060 if (oflags & (MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT))
2061 {
2062 if ((access & GENERIC_WRITE) && (creation==CREATE_NEW
2063 || creation==CREATE_ALWAYS || creation==TRUNCATE_EXISTING
2064 || (creation==OPEN_ALWAYS && GetLastError()==ERROR_ALREADY_EXISTS)))
2065 {
2066 if (oflags & MSVCRT__O_U8TEXT)
2067 {
2068 DWORD written = 0, tmp;
2069
2070 while(written!=sizeof(utf8_bom) && WriteFile(hand, (char*)utf8_bom+written,
2071 sizeof(utf8_bom)-written, &tmp, NULL))
2072 written += tmp;
2073 if (written != sizeof(utf8_bom)) {
2074 WARN("error writing BOM\n");
2075 CloseHandle(hand);
2076 msvcrt_set_errno(GetLastError());
2077 return *MSVCRT__errno();
2078 }
2079 }
2080 else
2081 {
2082 DWORD written = 0, tmp;
2083
2084 while(written!=sizeof(utf16_bom) && WriteFile(hand, (char*)utf16_bom+written,
2085 sizeof(utf16_bom)-written, &tmp, NULL))
2086 written += tmp;
2087 if (written != sizeof(utf16_bom))
2088 {
2089 WARN("error writing BOM\n");
2090 CloseHandle(hand);
2091 msvcrt_set_errno(GetLastError());
2092 return *MSVCRT__errno();
2093 }
2094 }
2095 }
2096 else if (access & GENERIC_READ)
2097 oflags = check_bom(hand, oflags, TRUE);
2098 }
2099
2100 *fd = msvcrt_alloc_fd(hand, wxflag);
2101 if (*fd == -1)
2102 return *MSVCRT__errno();
2103
2104 if (oflags & MSVCRT__O_WTEXT)
2105 msvcrt_get_ioinfo(*fd)->exflag |= EF_UTF16|EF_UNK_UNICODE;
2106 else if (oflags & MSVCRT__O_U16TEXT)
2107 msvcrt_get_ioinfo(*fd)->exflag |= EF_UTF16;
2108 else if (oflags & MSVCRT__O_U8TEXT)
2109 msvcrt_get_ioinfo(*fd)->exflag |= EF_UTF8;
2110
2111 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
2112 return 0;
2113 }
2114
2115 /*********************************************************************
2116 * _wsopen (MSVCRT.@)
2117 */
2118 int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t *path, int oflags, int shflags, ... )
2119 {
2120 int pmode;
2121 int fd;
2122
2123 if (oflags & MSVCRT__O_CREAT)
2124 {
2125 __ms_va_list ap;
2126
2127 __ms_va_start(ap, shflags);
2128 pmode = va_arg(ap, int);
2129 __ms_va_end(ap);
2130 }
2131 else
2132 pmode = 0;
2133
2134 MSVCRT__wsopen_s(&fd, path, oflags, shflags, pmode);
2135 return fd;
2136 }
2137
2138 /*********************************************************************
2139 * _sopen_s (MSVCRT.@)
2140 */
2141 int CDECL MSVCRT__sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode )
2142 {
2143 MSVCRT_wchar_t *pathW;
2144 int ret;
2145
2146 if(!MSVCRT_CHECK_PMT(path && (pathW = msvcrt_wstrdupa(path))))
2147 return MSVCRT_EINVAL;
2148
2149 ret = MSVCRT__wsopen_s(fd, pathW, oflags, shflags, pmode);
2150 MSVCRT_free(pathW);
2151 return ret;
2152 }
2153
2154 /*********************************************************************
2155 * _sopen (MSVCRT.@)
2156 */
2157 int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
2158 {
2159 int pmode;
2160 int fd;
2161
2162 if (oflags & MSVCRT__O_CREAT)
2163 {
2164 __ms_va_list ap;
2165
2166 __ms_va_start(ap, shflags);
2167 pmode = va_arg(ap, int);
2168 __ms_va_end(ap);
2169 }
2170 else
2171 pmode = 0;
2172
2173 MSVCRT__sopen_s(&fd, path, oflags, shflags, pmode);
2174 return fd;
2175 }
2176
2177 /*********************************************************************
2178 * _open (MSVCRT.@)
2179 */
2180 int CDECL MSVCRT__open( const char *path, int flags, ... )
2181 {
2182 __ms_va_list ap;
2183
2184 if (flags & MSVCRT__O_CREAT)
2185 {
2186 int pmode;
2187 __ms_va_start(ap, flags);
2188 pmode = va_arg(ap, int);
2189 __ms_va_end(ap);
2190 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
2191 }
2192 else
2193 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
2194 }
2195
2196 /*********************************************************************
2197 * _wopen (MSVCRT.@)
2198 */
2199 int CDECL MSVCRT__wopen(const MSVCRT_wchar_t *path,int flags,...)
2200 {
2201 __ms_va_list ap;
2202
2203 if (flags & MSVCRT__O_CREAT)
2204 {
2205 int pmode;
2206 __ms_va_start(ap, flags);
2207 pmode = va_arg(ap, int);
2208 __ms_va_end(ap);
2209 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode );
2210 }
2211 else
2212 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO);
2213 }
2214
2215 /*********************************************************************
2216 * _creat (MSVCRT.@)
2217 */
2218 int CDECL MSVCRT__creat(const char *path, int flags)
2219 {
2220 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
2221 return MSVCRT__open(path, usedFlags);
2222 }
2223
2224 /*********************************************************************
2225 * _wcreat (MSVCRT.@)
2226 */
2227 int CDECL MSVCRT__wcreat(const MSVCRT_wchar_t *path, int flags)
2228 {
2229 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
2230 return MSVCRT__wopen(path, usedFlags);
2231 }
2232
2233 /*********************************************************************
2234 * _open_osfhandle (MSVCRT.@)
2235 */
2236 int CDECL MSVCRT__open_osfhandle(MSVCRT_intptr_t handle, int oflags)
2237 {
2238 int fd;
2239
2240 /* MSVCRT__O_RDONLY (0) always matches, so set the read flag
2241 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
2242 * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
2243 * text - it never sets MSVCRT__O_BINARY.
2244 */
2245 /* don't let split_oflags() decide the mode if no mode is passed */
2246 if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)))
2247 oflags |= MSVCRT__O_BINARY;
2248
2249 fd = msvcrt_alloc_fd((HANDLE)handle, split_oflags(oflags));
2250 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, oflags);
2251 return fd;
2252 }
2253
2254 /*********************************************************************
2255 * _rmtmp (MSVCRT.@)
2256 */
2257 int CDECL MSVCRT__rmtmp(void)
2258 {
2259 int num_removed = 0, i;
2260 MSVCRT_FILE *file;
2261
2262 LOCK_FILES();
2263 for (i = 3; i < MSVCRT_stream_idx; i++) {
2264 file = msvcrt_get_file(i);
2265
2266 if (file->_tmpfname)
2267 {
2268 MSVCRT_fclose(file);
2269 num_removed++;
2270 }
2271 }
2272 UNLOCK_FILES();
2273
2274 if (num_removed)
2275 TRACE(":removed (%d) temp files\n",num_removed);
2276 return num_removed;
2277 }
2278
2279 static inline int get_utf8_char_len(char ch)
2280 {
2281 if((ch&0xf8) == 0xf0)
2282 return 4;
2283 else if((ch&0xf0) == 0xe0)
2284 return 3;
2285 else if((ch&0xe0) == 0xc0)
2286 return 2;
2287 return 1;
2288 }
2289
2290 /*********************************************************************
2291 * (internal) read_utf8
2292 */
2293 static int read_utf8(int fd, MSVCRT_wchar_t *buf, unsigned int count)
2294 {
2295 ioinfo *fdinfo = msvcrt_get_ioinfo(fd);
2296 HANDLE hand = fdinfo->handle;
2297 char min_buf[4], *readbuf, lookahead;
2298 DWORD readbuf_size, pos=0, num_read=1, char_len, i, j;
2299
2300 /* make the buffer big enough to hold at least one character */
2301 /* read bytes have to fit to output and lookahead buffers */
2302 count /= 2;
2303 readbuf_size = count < 4 ? 4 : count;
2304 if(readbuf_size<=4 || !(readbuf = MSVCRT_malloc(readbuf_size))) {
2305 readbuf_size = 4;
2306 readbuf = min_buf;
2307 }
2308
2309 if(fdinfo->lookahead[0] != '\n') {
2310 readbuf[pos++] = fdinfo->lookahead[0];
2311 fdinfo->lookahead[0] = '\n';
2312
2313 if(fdinfo->lookahead[1] != '\n') {
2314 readbuf[pos++] = fdinfo->lookahead[1];
2315 fdinfo->lookahead[1] = '\n';
2316
2317 if(fdinfo->lookahead[2] != '\n') {
2318 readbuf[pos++] = fdinfo->lookahead[2];
2319 fdinfo->lookahead[2] = '\n';
2320 }
2321 }
2322 }
2323
2324 /* NOTE: this case is broken in native dll, reading
2325 * sometimes fails when small buffer is passed
2326 */
2327 if(count < 4) {
2328 if(!pos && !ReadFile(hand, readbuf, 1, &num_read, NULL)) {
2329 if (GetLastError() == ERROR_BROKEN_PIPE) {
2330 fdinfo->wxflag |= WX_ATEOF;
2331 return 0;
2332 }else {
2333 msvcrt_set_errno(GetLastError());
2334 return -1;
2335 }
2336 }else if(!num_read) {
2337 fdinfo->wxflag |= WX_ATEOF;
2338 return 0;
2339 }else {
2340 pos++;
2341 }
2342
2343 char_len = get_utf8_char_len(readbuf[0]);
2344 if(char_len>pos) {
2345 if(ReadFile(hand, readbuf+pos, char_len-pos, &num_read, NULL))
2346 pos += num_read;
2347 }
2348
2349 if(readbuf[0] == '\n')
2350 fdinfo->wxflag |= WX_READNL;
2351 else
2352 fdinfo->wxflag &= ~WX_READNL;
2353
2354 if(readbuf[0] == 0x1a) {
2355 fdinfo->wxflag |= WX_ATEOF;
2356 return 0;
2357 }
2358
2359 if(readbuf[0] == '\r') {
2360 if(!ReadFile(hand, &lookahead, 1, &num_read, NULL) || num_read!=1)
2361 buf[0] = '\r';
2362 else if(lookahead == '\n')
2363 buf[0] = '\n';
2364 else {
2365 buf[0] = '\r';
2366 if(fdinfo->wxflag & (WX_PIPE | WX_NOSEEK))
2367 fdinfo->lookahead[0] = lookahead;
2368 else
2369 SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
2370 }
2371 return 2;
2372 }
2373
2374 if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
2375 msvcrt_set_errno(GetLastError());
2376 return -1;
2377 }
2378
2379 return num_read*2;
2380 }
2381
2382 if(!ReadFile(hand, readbuf+pos, readbuf_size-pos, &num_read, NULL)) {
2383 if(pos) {
2384 num_read = 0;
2385 }else if(GetLastError() == ERROR_BROKEN_PIPE) {
2386 fdinfo->wxflag |= WX_ATEOF;
2387 if (readbuf != min_buf) MSVCRT_free(readbuf);
2388 return 0;
2389 }else {
2390 msvcrt_set_errno(GetLastError());
2391 if (readbuf != min_buf) MSVCRT_free(readbuf);
2392 return -1;
2393 }
2394 }else if(!pos && !num_read) {
2395 fdinfo->wxflag |= WX_ATEOF;
2396 if (readbuf != min_buf) MSVCRT_free(readbuf);
2397 return 0;
2398 }
2399
2400 pos += num_read;
2401 if(readbuf[0] == '\n')
2402 fdinfo->wxflag |= WX_READNL;
2403 else
2404 fdinfo->wxflag &= ~WX_READNL;
2405
2406 /* Find first byte of last character (may be incomplete) */
2407 for(i=pos-1; i>0 && i>pos-4; i--)
2408 if((readbuf[i]&0xc0) != 0x80)
2409 break;
2410 char_len = get_utf8_char_len(readbuf[i]);
2411 if(char_len+i <= pos)
2412 i += char_len;
2413
2414 if(fdinfo->wxflag & (WX_PIPE | WX_NOSEEK)) {
2415 if(i < pos)
2416 fdinfo->lookahead[0] = readbuf[i];
2417 if(i+1 < pos)
2418 fdinfo->lookahead[1] = readbuf[i+1];
2419 if(i+2 < pos)
2420 fdinfo->lookahead[2] = readbuf[i+2];
2421 }else if(i < pos) {
2422 SetFilePointer(fdinfo->handle, i-pos, NULL, FILE_CURRENT);
2423 }
2424 pos = i;
2425
2426 for(i=0, j=0; i<pos; i++) {
2427 if(readbuf[i] == 0x1a) {
2428 fdinfo->wxflag |= WX_ATEOF;
2429 break;
2430 }
2431
2432 /* strip '\r' if followed by '\n' */
2433 if(readbuf[i] == '\r' && i+1==pos) {
2434 if(fdinfo->lookahead[0] != '\n' || !ReadFile(hand, &lookahead, 1, &num_read, NULL) || !num_read) {
2435 readbuf[j++] = '\r';
2436 }else if(lookahead == '\n' && j==0) {
2437 readbuf[j++] = '\n';
2438 }else {
2439 if(lookahead != '\n')
2440 readbuf[j++] = '\r';
2441
2442 if(fdinfo->wxflag & (WX_PIPE | WX_NOSEEK))
2443 fdinfo->lookahead[0] = lookahead;
2444 else
2445 SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
2446 }
2447 }else if(readbuf[i]!='\r' || readbuf[i+1]!='\n') {
2448 readbuf[j++] = readbuf[i];
2449 }
2450 }
2451 pos = j;
2452
2453 if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
2454 msvcrt_set_errno(GetLastError());
2455 if (readbuf != min_buf) MSVCRT_free(readbuf);
2456 return -1;
2457 }
2458
2459 if (readbuf != min_buf) MSVCRT_free(readbuf);
2460 return num_read*2;
2461 }
2462
2463 /*********************************************************************
2464 * (internal) read_i
2465 *
2466 * When reading \r as last character in text mode, read() positions
2467 * the file pointer on the \r character while getc() goes on to
2468 * the following \n
2469 */
2470 static int read_i(int fd, void *buf, unsigned int count)
2471 {
2472 DWORD num_read, utf16;
2473 char *bufstart = buf;
2474 HANDLE hand = msvcrt_fdtoh(fd);
2475 ioinfo *fdinfo = msvcrt_get_ioinfo(fd);
2476
2477 if (count == 0)
2478 return 0;
2479
2480 if (fdinfo->wxflag & WX_ATEOF) {
2481 TRACE("already at EOF, returning 0\n");
2482 return 0;
2483 }
2484 /* Don't trace small reads, it gets *very* annoying */
2485 if (count > 4)
2486 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
2487 if (hand == INVALID_HANDLE_VALUE)
2488 {
2489 *MSVCRT__errno() = MSVCRT_EBADF;
2490 return -1;
2491 }
2492
2493 utf16 = (fdinfo->exflag & EF_UTF16) != 0;
2494 if (((fdinfo->exflag&EF_UTF8) || utf16) && count&1)
2495 {
2496 *MSVCRT__errno() = MSVCRT_EINVAL;
2497 return -1;
2498 }
2499
2500 if((fdinfo->wxflag&WX_TEXT) && (fdinfo->exflag&EF_UTF8))
2501 return read_utf8(fd, buf, count);
2502
2503 if (fdinfo->lookahead[0]!='\n' || ReadFile(hand, bufstart, count, &num_read, NULL))
2504 {
2505 if (fdinfo->lookahead[0] != '\n')
2506 {
2507 bufstart[0] = fdinfo->lookahead[0];
2508 fdinfo->lookahead[0] = '\n';
2509
2510 if (utf16)
2511 {
2512 bufstart[1] = fdinfo->lookahead[1];
2513 fdinfo->lookahead[1] = '\n';
2514 }
2515
2516 if(count>1+utf16 && ReadFile(hand, bufstart+1+utf16, count-1-utf16, &num_read, NULL))
2517 num_read += 1+utf16;
2518 else
2519 num_read = 1+utf16;
2520 }
2521
2522 if(utf16 && (num_read&1))
2523 {
2524 /* msvcr90 uses uninitialized value from the buffer in this case */
2525 /* msvcrt ignores additional data */
2526 ERR("got odd number of bytes in UTF16 mode\n");
2527 num_read--;
2528 }
2529
2530 if (count != 0 && num_read == 0)
2531 {
2532 fdinfo->wxflag |= WX_ATEOF;
2533 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
2534 }
2535 else if (fdinfo->wxflag & WX_TEXT)
2536 {
2537 DWORD i, j;
2538
2539 if (bufstart[0]=='\n' && (!utf16 || bufstart[1]==0))
2540 fdinfo->wxflag |= WX_READNL;
2541 else
2542 fdinfo->wxflag &= ~WX_READNL;
2543
2544 for (i=0, j=0; i<num_read; i+=1+utf16)
2545 {
2546 /* in text mode, a ctrl-z signals EOF */
2547 if (bufstart[i]==0x1a && (!utf16 || bufstart[i+1]==0))
2548 {
2549 fdinfo->wxflag |= WX_ATEOF;
2550 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
2551 break;
2552 }
2553
2554 /* in text mode, strip \r if followed by \n */
2555 if (bufstart[i]=='\r' && (!utf16 || bufstart[i+1]==0) && i+1+utf16==num_read)
2556 {
2557 char lookahead[2];
2558 DWORD len;
2559
2560 lookahead[1] = '\n';
2561 if (ReadFile(hand, lookahead, 1+utf16, &len, NULL) && len)
2562 {
2563 if(lookahead[0]=='\n' && (!utf16 || lookahead[1]==0) && j==0)
2564 {
2565 bufstart[j++] = '\n';
2566 if(utf16) bufstart[j++] = 0;
2567 }
2568 else
2569 {
2570 if(lookahead[0]!='\n' || (utf16 && lookahead[1]!=0))
2571 {
2572 bufstart[j++] = '\r';
2573 if(utf16) bufstart[j++] = 0;
2574 }
2575
2576 if (fdinfo->wxflag & (WX_PIPE | WX_NOSEEK))
2577 {
2578 if (lookahead[0]=='\n' && (!utf16 || !lookahead[1]))
2579 {
2580 bufstart[j++] = '\n';
2581 if (utf16) bufstart[j++] = 0;
2582 }
2583 else
2584 {
2585 fdinfo->lookahead[0] = lookahead[0];
2586 fdinfo->lookahead[1] = lookahead[1];
2587 }
2588 }
2589 else
2590 SetFilePointer(fdinfo->handle, -1-utf16, NULL, FILE_CURRENT);
2591 }
2592 }
2593 else
2594 {
2595 bufstart[j++] = '\r';
2596 if(utf16) bufstart[j++] = 0;
2597 }
2598 }
2599 else if((bufstart[i]!='\r' || (utf16 && bufstart[i+1]!=0))
2600 || (bufstart[i+1+utf16]!='\n' || (utf16 && bufstart[i+3]!=0)))
2601 {
2602 bufstart[j++] = bufstart[i];
2603 if(utf16) bufstart[j++] = bufstart[i+1];
2604 }
2605 }
2606 num_read = j;
2607 }
2608 }
2609 else
2610 {
2611 if (GetLastError() == ERROR_BROKEN_PIPE)
2612 {
2613 TRACE(":end-of-pipe\n");
2614 fdinfo->wxflag |= WX_ATEOF;
2615 return 0;
2616 }
2617 else
2618 {
2619 TRACE(":failed-last error (%d)\n",GetLastError());
2620 return -1;
2621 }
2622 }
2623
2624 if (count > 4)
2625 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
2626 return num_read;
2627 }
2628
2629 /*********************************************************************
2630 * _read (MSVCRT.@)
2631 */
2632 int CDECL MSVCRT__read(int fd, void *buf, unsigned int count)
2633 {
2634 int num_read;
2635 num_read = read_i(fd, buf, count);
2636 return num_read;
2637 }
2638
2639 /*********************************************************************
2640 * _setmode (MSVCRT.@)
2641 */
2642 int CDECL MSVCRT__setmode(int fd,int mode)
2643 {
2644 int ret = msvcrt_get_ioinfo(fd)->wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
2645 if(ret==MSVCRT__O_TEXT && (msvcrt_get_ioinfo(fd)->exflag & (EF_UTF8|EF_UTF16)))
2646 ret = MSVCRT__O_WTEXT;
2647
2648 if(mode!=MSVCRT__O_TEXT && mode!=MSVCRT__O_BINARY && mode!=MSVCRT__O_WTEXT
2649 && mode!=MSVCRT__O_U16TEXT && mode!=MSVCRT__O_U8TEXT) {
2650 *MSVCRT__errno() = MSVCRT_EINVAL;
2651 return -1;
2652 }
2653
2654 if(mode == MSVCRT__O_BINARY) {
2655 msvcrt_get_ioinfo(fd)->wxflag &= ~WX_TEXT;
2656 msvcrt_get_ioinfo(fd)->exflag &= ~(EF_UTF8|EF_UTF16);
2657 return ret;
2658 }
2659
2660 msvcrt_get_ioinfo(fd)->wxflag |= WX_TEXT;
2661 if(mode == MSVCRT__O_TEXT)
2662 msvcrt_get_ioinfo(fd)->exflag &= ~(EF_UTF8|EF_UTF16);
2663 else if(mode == MSVCRT__O_U8TEXT)
2664 msvcrt_get_ioinfo(fd)->exflag = (msvcrt_get_ioinfo(fd)->exflag & ~EF_UTF16) | EF_UTF8;
2665 else
2666 msvcrt_get_ioinfo(fd)->exflag = (msvcrt_get_ioinfo(fd)->exflag & ~EF_UTF8) | EF_UTF16;
2667
2668 return ret;
2669 }
2670
2671 /*********************************************************************
2672 * _stat64 (MSVCRT.@)
2673 */
2674 int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
2675 {
2676 DWORD dw;
2677 WIN32_FILE_ATTRIBUTE_DATA hfi;
2678 unsigned short mode = ALL_S_IREAD;
2679 int plen;
2680
2681 TRACE(":file (%s) buf(%p)\n",path,buf);
2682
2683 plen = strlen(path);
2684 while (plen && path[plen-1]==' ')
2685 plen--;
2686
2687 if (plen && (plen<2 || path[plen-2]!=':') &&
2688 (path[plen-1]==':' || path[plen-1]=='\\' || path[plen-1]=='/'))
2689 {
2690 *MSVCRT__errno() = MSVCRT_ENOENT;
2691 return -1;
2692 }
2693
2694 if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
2695 {
2696 TRACE("failed (%d)\n",GetLastError());
2697 *MSVCRT__errno() = MSVCRT_ENOENT;
2698 return -1;
2699 }
2700
2701 memset(buf,0,sizeof(struct MSVCRT__stat64));
2702
2703 /* FIXME: rdev isn't drive num, despite what the docs say-what is it?
2704 Bon 011120: This FIXME seems incorrect
2705 Also a letter as first char isn't enough to be classified
2706 as a drive letter
2707 */
2708 if (isalpha(*path)&& (*(path+1)==':'))
2709 buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
2710 else
2711 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2712
2713 /* Dir, or regular file? */
2714 if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
2715 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2716 else
2717 {
2718 mode |= MSVCRT__S_IFREG;
2719 /* executable? */
2720 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2721 {
2722 unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
2723 (tolower(path[plen-3]) << 16);
2724 if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
2725 mode |= ALL_S_IEXEC;
2726 }
2727 }
2728
2729 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2730 mode |= ALL_S_IWRITE;
2731
2732 buf->st_mode = mode;
2733 buf->st_nlink = 1;
2734 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2735 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2736 buf->st_atime = dw;
2737 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2738 buf->st_mtime = buf->st_ctime = dw;
2739 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2740 (int)(buf->st_size >> 32),(int)buf->st_size,
2741 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2742 return 0;
2743 }
2744
2745 /*********************************************************************
2746 * _stati64 (MSVCRT.@)
2747 */
2748 int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf)
2749 {
2750 int ret;
2751 struct MSVCRT__stat64 buf64;
2752
2753 ret = MSVCRT_stat64(path, &buf64);
2754 if (!ret)
2755 msvcrt_stat64_to_stati64(&buf64, buf);
2756 return ret;
2757 }
2758
2759 /*********************************************************************
2760 * _stat (MSVCRT.@)
2761 */
2762 int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf)
2763 { int ret;
2764 struct MSVCRT__stat64 buf64;
2765
2766 ret = MSVCRT_stat64( path, &buf64);
2767 if (!ret)
2768 msvcrt_stat64_to_stat(&buf64, buf);
2769 return ret;
2770 }
2771
2772 /*********************************************************************
2773 * _wstat64 (MSVCRT.@)
2774 */
2775 int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf)
2776 {
2777 DWORD dw;
2778 WIN32_FILE_ATTRIBUTE_DATA hfi;
2779 unsigned short mode = ALL_S_IREAD;
2780 int plen;
2781
2782 TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
2783
2784 plen = strlenW(path);
2785 while (plen && path[plen-1]==' ')
2786 plen--;
2787
2788 if(plen && (plen<2 || path[plen-2]!=':') &&
2789 (path[plen-1]==':' || path[plen-1]=='\\' || path[plen-1]=='/'))
2790 {
2791 *MSVCRT__errno() = MSVCRT_ENOENT;
2792 return -1;
2793 }
2794
2795 if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
2796 {
2797 TRACE("failed (%d)\n",GetLastError());
2798 *MSVCRT__errno() = MSVCRT_ENOENT;
2799 return -1;
2800 }
2801
2802 memset(buf,0,sizeof(struct MSVCRT__stat64));
2803
2804 /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
2805 if (MSVCRT_iswalpha(*path))
2806 buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
2807 else
2808 buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
2809
2810 /* Dir, or regular file? */
2811 if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
2812 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2813 else
2814 {
2815 mode |= MSVCRT__S_IFREG;
2816 /* executable? */
2817 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2818 {
2819 ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
2820 ((ULONGLONG)tolowerW(path[plen-3]) << 32);
2821 if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
2822 mode |= ALL_S_IEXEC;
2823 }
2824 }
2825
2826 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2827 mode |= ALL_S_IWRITE;
2828
2829 buf->st_mode = mode;
2830 buf->st_nlink = 1;
2831 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2832 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2833 buf->st_atime = dw;
2834 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2835 buf->st_mtime = buf->st_ctime = dw;
2836 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2837 (int)(buf->st_size >> 32),(int)buf->st_size,
2838 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2839 return 0;
2840 }
2841
2842 /*********************************************************************
2843 * _wstati64 (MSVCRT.@)
2844 */
2845 int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
2846 {
2847 int ret;
2848 struct MSVCRT__stat64 buf64;
2849
2850 ret = MSVCRT__wstat64(path, &buf64);
2851 if (!ret)
2852 msvcrt_stat64_to_stati64(&buf64, buf);
2853 return ret;
2854 }
2855
2856 /*********************************************************************
2857 * _wstat (MSVCRT.@)
2858 */
2859 int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
2860 {
2861 int ret;
2862 struct MSVCRT__stat64 buf64;
2863
2864 ret = MSVCRT__wstat64( path, &buf64 );
2865 if (!ret) msvcrt_stat64_to_stat(&buf64, buf);
2866 return ret;
2867 }
2868
2869 /*********************************************************************
2870 * _tell (MSVCRT.@)
2871 */
2872 MSVCRT_long CDECL MSVCRT__tell(int fd)
2873 {
2874 return MSVCRT__lseek(fd, 0, SEEK_CUR);
2875 }
2876
2877 /*********************************************************************
2878 * _telli64 (MSVCRT.@)
2879 */
2880 __int64 CDECL _telli64(int fd)
2881 {
2882 return MSVCRT__lseeki64(fd, 0, SEEK_CUR);
2883 }
2884
2885 /*********************************************************************
2886 * _tempnam (MSVCRT.@)
2887 */
2888 char * CDECL MSVCRT__tempnam(const char *dir, const char *prefix)
2889 {
2890 char tmpbuf[MAX_PATH];
2891 const char *tmp_dir = MSVCRT_getenv("TMP");
2892
2893 if (tmp_dir) dir = tmp_dir;
2894
2895 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
2896 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
2897 {
2898 TRACE("got name (%s)\n",tmpbuf);
2899 DeleteFileA(tmpbuf);
2900 return MSVCRT__strdup(tmpbuf);
2901 }
2902 TRACE("failed (%d)\n",GetLastError());
2903 return NULL;
2904 }
2905
2906 /*********************************************************************
2907 * _wtempnam (MSVCRT.@)
2908 */
2909 MSVCRT_wchar_t * CDECL MSVCRT__wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
2910 {
2911 static const MSVCRT_wchar_t tmpW[] = {'T','M','P',0};
2912 MSVCRT_wchar_t tmpbuf[MAX_PATH];
2913 const MSVCRT_wchar_t *tmp_dir = MSVCRT__wgetenv(tmpW);
2914
2915 if (tmp_dir) dir = tmp_dir;
2916
2917 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
2918 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
2919 {
2920 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
2921 DeleteFileW(tmpbuf);
2922 return MSVCRT__wcsdup(tmpbuf);
2923 }
2924 TRACE("failed (%d)\n",GetLastError());
2925 return NULL;
2926 }
2927
2928 /*********************************************************************
2929 * _umask (MSVCRT.@)
2930 */
2931 int CDECL MSVCRT__umask(int umask)
2932 {
2933 int old_umask = MSVCRT_umask;
2934 TRACE("(%d)\n",umask);
2935 MSVCRT_umask = umask;
2936 return old_umask;
2937 }
2938
2939 /*********************************************************************
2940 * _utime64 (MSVCRT.@)
2941 */
2942 int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t)
2943 {
2944 int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2945
2946 if (fd > 0)
2947 {
2948 int retVal = _futime64(fd, t);
2949 MSVCRT__close(fd);
2950 return retVal;
2951 }
2952 return -1;
2953 }
2954
2955 /*********************************************************************
2956 * _utime32 (MSVCRT.@)
2957 */
2958 int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t)
2959 {
2960 if (t)
2961 {
2962 struct MSVCRT___utimbuf64 t64;
2963 t64.actime = t->actime;
2964 t64.modtime = t->modtime;
2965 return _utime64( path, &t64 );
2966 }
2967 else
2968 return _utime64( path, NULL );
2969 }
2970
2971 /*********************************************************************
2972 * _utime (MSVCRT.@)
2973 */
2974 #ifdef _WIN64
2975 int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t)
2976 {
2977 return _utime64( path, t );
2978 }
2979 #else
2980 int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t)
2981 {
2982 return _utime32( path, t );
2983 }
2984 #endif
2985
2986 /*********************************************************************
2987 * _wutime64 (MSVCRT.@)
2988 */
2989 int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2990 {
2991 int fd = MSVCRT__wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2992
2993 if (fd > 0)
2994 {
2995 int retVal = _futime64(fd, t);
2996 MSVCRT__close(fd);
2997 return retVal;
2998 }
2999 return -1;
3000 }
3001
3002 /*********************************************************************
3003 * _wutime32 (MSVCRT.@)
3004 */
3005 int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
3006 {
3007 if (t)
3008 {
3009 struct MSVCRT___utimbuf64 t64;
3010 t64.actime = t->actime;
3011 t64.modtime = t->modtime;
3012 return _wutime64( path, &t64 );
3013 }
3014 else
3015 return _wutime64( path, NULL );
3016 }
3017
3018 /*********************************************************************
3019 * _wutime (MSVCRT.@)
3020 */
3021 #ifdef _WIN64
3022 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
3023 {
3024 return _wutime64( path, t );
3025 }
3026 #else
3027 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
3028 {
3029 return _wutime32( path, t );
3030 }
3031 #endif
3032
3033 /*********************************************************************
3034 * _write (MSVCRT.@)
3035 */
3036 int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
3037 {
3038 DWORD num_written;
3039 ioinfo *info = msvcrt_get_ioinfo(fd);
3040 HANDLE hand = info->handle;
3041
3042 /* Don't trace small writes, it gets *very* annoying */
3043 #if 0
3044 if (count > 32)
3045 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
3046 #endif
3047 if (hand == INVALID_HANDLE_VALUE)
3048 {
3049 *MSVCRT__errno() = MSVCRT_EBADF;
3050 return -1;
3051 }
3052
3053 if (((info->exflag&EF_UTF8) || (info->exflag&EF_UTF16)) && count&1)
3054 {
3055 *MSVCRT__errno() = MSVCRT_EINVAL;
3056 return -1;
3057 }
3058
3059 /* If appending, go to EOF */
3060 if (info->wxflag & WX_APPEND)
3061 MSVCRT__lseek(fd, 0, FILE_END);
3062
3063 if (!(info->wxflag & WX_TEXT))
3064 {
3065 if (WriteFile(hand, buf, count, &num_written, NULL)
3066 && (num_written == count))
3067 return num_written;
3068 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
3069 hand, GetLastError());
3070 *MSVCRT__errno() = MSVCRT_ENOSPC;
3071 }
3072 else
3073 {
3074 unsigned int i, j, nr_lf, size;
3075 char *p = NULL;
3076 const char *q;
3077 const char *s = buf, *buf_start = buf;
3078
3079 if (!(info->exflag & (EF_UTF8|EF_UTF16)))
3080 {
3081 /* find number of \n */
3082 for (nr_lf=0, i=0; i<count; i++)
3083 if (s[i] == '\n')
3084 nr_lf++;
3085 if (nr_lf)
3086 {
3087 size = count+nr_lf;
3088 if ((q = p = MSVCRT_malloc(size)))
3089 {
3090 for (s = buf, i = 0, j = 0; i < count; i++)
3091 {
3092 if (s[i] == '\n')
3093 p[j++] = '\r';
3094 p[j++] = s[i];
3095 }
3096 }
3097 else
3098 {
3099 FIXME("Malloc failed\n");
3100 nr_lf = 0;
3101 size = count;
3102 q = buf;
3103 }
3104 }
3105 else
3106 {
3107 size = count;
3108 q = buf;
3109 }
3110 }
3111 else if (info->exflag & EF_UTF16)
3112 {
3113 for (nr_lf=0, i=0; i<count; i+=2)
3114 if (s[i]=='\n' && s[i+1]==0)
3115 nr_lf += 2;
3116 if (nr_lf)
3117 {
3118 size = count+nr_lf;
3119 if ((q = p = MSVCRT_malloc(size)))
3120 {
3121 for (s=buf, i=0, j=0; i<count; i++)
3122 {
3123 if (s[i]=='\n' && s[i+1]==0)
3124 {
3125 p[j++] = '\r';
3126 p[j++] = 0;
3127 }
3128 p[j++] = s[i++];
3129 p[j++] = s[i];
3130 }
3131 }
3132 else
3133 {
3134 FIXME("Malloc failed\n");
3135 nr_lf = 0;
3136 size = count;
3137 q = buf;
3138 }
3139 }
3140 else
3141 {
3142 size = count;
3143 q = buf;
3144 }
3145 }
3146 else
3147 {
3148 DWORD conv_len;
3149
3150 for(nr_lf=0, i=0; i<count; i+=2)
3151 if (s[i]=='\n' && s[i+1]==0)
3152 nr_lf++;
3153
3154 conv_len = WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)buf, count/2, NULL, 0, NULL, NULL);
3155 if(!conv_len) {
3156 msvcrt_set_errno(GetLastError());
3157 MSVCRT_free(p);
3158 return -1;
3159 }
3160
3161 size = conv_len+nr_lf;
3162 if((p = MSVCRT_malloc(count+nr_lf*2+size)))
3163 {
3164 for (s=buf, i=0, j=0; i<count; i++)
3165 {
3166 if (s[i]=='\n' && s[i+1]==0)
3167 {
3168 p[j++] = '\r';
3169 p[j++] = 0;
3170 }
3171 p[j++] = s[i++];
3172 p[j++] = s[i];
3173 }
3174 q = p+count+nr_lf*2;
3175 WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)p, count/2+nr_lf,
3176 p+count+nr_lf*2, conv_len+nr_lf, NULL, NULL);
3177 }
3178 else
3179 {
3180 FIXME("Malloc failed\n");
3181 nr_lf = 0;
3182 size = count;
3183 q = buf;
3184 }
3185 }
3186
3187 if (!WriteFile(hand, q, size, &num_written, NULL))
3188 num_written = -1;
3189 if(p)
3190 MSVCRT_free(p);
3191 if (num_written != size)
3192 {
3193 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
3194 fd, hand, GetLastError(), num_written);
3195 *MSVCRT__errno() = MSVCRT_ENOSPC;
3196 return s - buf_start;
3197 }
3198 return count;
3199 }
3200
3201 return -1;
3202 }
3203
3204 /*********************************************************************
3205 * _putw (MSVCRT.@)
3206 */
3207 int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
3208 {
3209 int len;
3210
3211 MSVCRT__lock_file(file);
3212 len = MSVCRT__write(file->_file, &val, sizeof(val));
3213 if (len == sizeof(val)) {
3214 MSVCRT__unlock_file(file);
3215 return val;
3216 }
3217
3218 file->_flag |= MSVCRT__IOERR;
3219 MSVCRT__unlock_file(file);
3220 return MSVCRT_EOF;
3221 }
3222
3223 /*********************************************************************
3224 * fclose (MSVCRT.@)
3225 */
3226 int CDECL MSVCRT_fclose(MSVCRT_FILE* file)
3227 {
3228 int r, flag;
3229
3230 MSVCRT__lock_file(file);
3231 flag = file->_flag;
3232 MSVCRT_free(file->_tmpfname);
3233 file->_tmpfname = NULL;
3234 /* flush stdio buffers */
3235 if(file->_flag & MSVCRT__IOWRT)
3236 MSVCRT_fflush(file);
3237 if(file->_flag & MSVCRT__IOMYBUF)
3238 MSVCRT_free(file->_base);
3239
3240 r=MSVCRT__close(file->_file);
3241
3242 file->_flag = 0;
3243 MSVCRT__unlock_file(file);
3244
3245 return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
3246 }
3247
3248 /*********************************************************************
3249 * feof (MSVCRT.@)
3250 */
3251 int CDECL MSVCRT_feof(MSVCRT_FILE* file)
3252 {
3253 return file->_flag & MSVCRT__IOEOF;
3254 }
3255
3256 /*********************************************************************
3257 * ferror (MSVCRT.@)
3258 */
3259 int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
3260 {
3261 return file->_flag & MSVCRT__IOERR;
3262 }
3263
3264 /*********************************************************************
3265 * _filbuf (MSVCRT.@)
3266 */
3267 int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
3268 {
3269 unsigned char c;
3270 MSVCRT__lock_file(file);
3271
3272 /* Allocate buffer if needed */
3273 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF))
3274 msvcrt_alloc_buffer(file);
3275
3276 if(!(file->_flag & MSVCRT__IOREAD)) {
3277 if(file->_flag & MSVCRT__IORW)
3278 file->_flag |= MSVCRT__IOREAD;
3279 else {
3280 MSVCRT__unlock_file(file);
3281 return MSVCRT_EOF;
3282 }
3283 }
3284
3285 if(file->_flag & MSVCRT__IONBF) {
3286 int r;
3287 if ((r = read_i(file->_file,&c,1)) != 1) {
3288 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
3289 MSVCRT__unlock_file(file);
3290 return MSVCRT_EOF;
3291 }
3292
3293 MSVCRT__unlock_file(file);
3294 return c;
3295 } else {
3296 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
3297 if(file->_cnt<=0) {
3298 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
3299 file->_cnt = 0;
3300 MSVCRT__unlock_file(file);
3301 return MSVCRT_EOF;
3302 }
3303
3304 file->_cnt--;
3305 file->_ptr = file->_base+1;
3306 c = *(unsigned char *)file->_base;
3307 MSVCRT__unlock_file(file);
3308 return c;
3309 }
3310 }
3311
3312 /*********************************************************************
3313 * fgetc (MSVCRT.@)
3314 */
3315 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
3316 {
3317 unsigned char *i;
3318 unsigned int j;
3319
3320 MSVCRT__lock_file(file);
3321 if (file->_cnt>0) {
3322 file->_cnt--;
3323 i = (unsigned char *)file->_ptr++;
3324 j = *i;
3325 } else
3326 j = MSVCRT__filbuf(file);
3327
3328 MSVCRT__unlock_file(file);
3329 return j;
3330 }
3331
3332 /*********************************************************************
3333 * _fgetchar (MSVCRT.@)
3334 */
3335 int CDECL MSVCRT__fgetchar(void)
3336 {
3337 return MSVCRT_fgetc(MSVCRT_stdin);
3338 }
3339
3340 /*********************************************************************
3341 * fgets (MSVCRT.@)
3342 */
3343 char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
3344 {
3345 int cc = MSVCRT_EOF;
3346 char * buf_start = s;
3347
3348 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
3349 file,file->_file,s,size);
3350
3351 MSVCRT__lock_file(file);
3352
3353 while ((size >1) && (cc = MSVCRT_fgetc(file)) != MSVCRT_EOF && cc != '\n')
3354 {
3355 *s++ = (char)cc;
3356 size --;
3357 }
3358 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
3359 {
3360 TRACE(":nothing read\n");
3361 MSVCRT__unlock_file(file);
3362 return NULL;
3363 }
3364 if ((cc != MSVCRT_EOF) && (size > 1))
3365 *s++ = cc;
3366 *s = '\0';
3367 TRACE(":got %s\n", debugstr_a(buf_start));
3368 MSVCRT__unlock_file(file);
3369 return buf_start;
3370 }
3371
3372 /*********************************************************************
3373 * fgetwc (MSVCRT.@)
3374 */
3375 MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
3376 {
3377 MSVCRT_wint_t ret;
3378 int ch;
3379
3380 MSVCRT__lock_file(file);
3381
3382 if((msvcrt_get_ioinfo(file->_file)->exflag & (EF_UTF8 | EF_UTF16))
3383 || !(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3384 char *p;
3385
3386 for(p=(char*)&ret; (MSVCRT_wint_t*)p<&ret+1; p++) {
3387 ch = MSVCRT_fgetc(file);
3388 if(ch == MSVCRT_EOF) {
3389 ret = MSVCRT_WEOF;
3390 break;
3391 }
3392 *p = (char)ch;
3393 }
3394 }else {
3395 char mbs[MSVCRT_MB_LEN_MAX];
3396 int len = 0;
3397
3398 ch = MSVCRT_fgetc(file);
3399 if(ch != MSVCRT_EOF) {
3400 mbs[0] = (char)ch;
3401 if(MSVCRT_isleadbyte((unsigned char)mbs[0])) {
3402 ch = MSVCRT_fgetc(file);
3403 if(ch != MSVCRT_EOF) {
3404 mbs[1] = (char)ch;
3405 len = 2;
3406 }
3407 }else {
3408 len = 1;
3409 }
3410 }
3411
3412 if(!len || MSVCRT_mbtowc(&ret, mbs, len)==-1)
3413 ret = MSVCRT_WEOF;
3414 }
3415
3416 MSVCRT__unlock_file(file);
3417 return ret;
3418 }
3419
3420 /*********************************************************************
3421 * _getw (MSVCRT.@)
3422 */
3423 int CDECL MSVCRT__getw(MSVCRT_FILE* file)
3424 {
3425 char *ch;
3426 int i, k;
3427 unsigned int j;
3428 ch = (char *)&i;
3429
3430 MSVCRT__lock_file(file);
3431 for (j=0; j<sizeof(int); j++) {
3432 k = MSVCRT_fgetc(file);
3433 if (k == MSVCRT_EOF) {
3434 file->_flag |= MSVCRT__IOEOF;
3435 MSVCRT__unlock_file(file);
3436 return EOF;
3437 }
3438 ch[j] = k;
3439 }
3440
3441 MSVCRT__unlock_file(file);
3442 return i;
3443 }
3444
3445 /*********************************************************************
3446 * getwc (MSVCRT.@)
3447 */
3448 MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
3449 {
3450 return MSVCRT_fgetwc(file);
3451 }
3452
3453 /*********************************************************************
3454 * _fgetwchar (MSVCRT.@)
3455 */
3456 MSVCRT_wint_t CDECL MSVCRT__fgetwchar(void)
3457 {
3458 return MSVCRT_fgetwc(MSVCRT_stdin);
3459 }
3460
3461 /*********************************************************************
3462 * getwchar (MSVCRT.@)
3463 */
3464 MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
3465 {
3466 return MSVCRT__fgetwchar();
3467 }
3468
3469 /*********************************************************************
3470 * fgetws (MSVCRT.@)
3471 */
3472 MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
3473 {
3474 MSVCRT_wint_t cc = MSVCRT_WEOF;
3475 MSVCRT_wchar_t * buf_start = s;
3476
3477 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
3478 file,file->_file,s,size);
3479
3480 MSVCRT__lock_file(file);
3481
3482 while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n')
3483 {
3484 *s++ = cc;
3485 size --;
3486 }
3487 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
3488 {
3489 TRACE(":nothing read\n");
3490 MSVCRT__unlock_file(file);
3491 return NULL;
3492 }
3493 if ((cc != MSVCRT_WEOF) && (size > 1))
3494 *s++ = cc;
3495 *s = 0;
3496 TRACE(":got %s\n", debugstr_w(buf_start));
3497 MSVCRT__unlock_file(file);
3498 return buf_start;
3499 }
3500
3501 /*********************************************************************
3502 * fwrite (MSVCRT.@)
3503 */
3504 MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3505 {
3506 MSVCRT_size_t wrcnt=size * nmemb;
3507 int written = 0;
3508 if (size == 0)
3509 return 0;
3510
3511 MSVCRT__lock_file(file);
3512 if(file->_cnt) {
3513 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
3514 memcpy(file->_ptr, ptr, pcnt);
3515 file->_cnt -= pcnt;
3516 file->_ptr += pcnt;
3517 written = pcnt;
3518 wrcnt -= pcnt;
3519 ptr = (const char*)ptr + pcnt;
3520 } else if(!(file->_flag & MSVCRT__IOWRT)) {
3521 if(file->_flag & MSVCRT__IORW) {
3522 file->_flag |= MSVCRT__IOWRT;
3523 } else {
3524 MSVCRT__unlock_file(file);
3525 return 0;
3526 }
3527 }
3528 if(wrcnt) {
3529 int res;
3530
3531 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF))
3532 msvcrt_alloc_buffer(file);
3533
3534 /* Flush buffer */
3535 res=msvcrt_flush_buffer(file);
3536 if(!res) {
3537 int pwritten = MSVCRT__write(file->_file, ptr, wrcnt);
3538 if (pwritten <= 0)
3539 {
3540 file->_flag |= MSVCRT__IOERR;
3541 pwritten=0;
3542 }
3543 written += pwritten;
3544 }
3545 }
3546
3547 MSVCRT__unlock_file(file);
3548 return written / size;
3549 }
3550
3551 /*********************************************************************
3552 * fputwc (MSVCRT.@)
3553 */
3554 MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
3555 {
3556 MSVCRT_wchar_t mwc=wc;
3557 ioinfo *fdinfo;
3558 MSVCRT_wint_t ret;
3559
3560 MSVCRT__lock_file(file);
3561 fdinfo = msvcrt_get_ioinfo(file->_file);
3562
3563 if((fdinfo->wxflag&WX_TEXT) && !(fdinfo->exflag&(EF_UTF8|EF_UTF16))) {
3564 char buf[MSVCRT_MB_LEN_MAX];
3565 int char_len;
3566
3567 char_len = MSVCRT_wctomb(buf, mwc);
3568 if(char_len!=-1 && MSVCRT_fwrite(buf, char_len, 1, file)==1)
3569 ret = wc;
3570 else
3571 ret = MSVCRT_WEOF;
3572 }else if(MSVCRT_fwrite(&mwc, sizeof(mwc), 1, file) == 1) {
3573 ret = wc;
3574 }else {
3575 ret = MSVCRT_WEOF;
3576 }
3577
3578 MSVCRT__unlock_file(file);
3579 return ret;
3580 }
3581
3582 /*********************************************************************
3583 * _fputwchar (MSVCRT.@)
3584 */
3585 MSVCRT_wint_t CDECL MSVCRT__fputwchar(MSVCRT_wint_t wc)
3586 {
3587 return MSVCRT_fputwc(wc, MSVCRT_stdout);
3588 }
3589
3590 /*********************************************************************
3591 * _wfsopen (MSVCRT.@)
3592 */
3593 MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
3594 {
3595 MSVCRT_FILE* file;
3596 int open_flags, stream_flags, fd;
3597
3598 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
3599
3600 /* map mode string to open() flags. "man fopen" for possibilities. */
3601 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
3602 return NULL;
3603
3604 LOCK_FILES();
3605 fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
3606 if (fd < 0)
3607 file = NULL;
3608 else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
3609 != -1)
3610 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
3611 else if (file)
3612 {
3613 file->_flag = 0;
3614 file = NULL;
3615 }
3616
3617 TRACE(":got (%p)\n",file);
3618 if (fd >= 0 && !file)
3619 MSVCRT__close(fd);
3620 UNLOCK_FILES();
3621 return file;
3622 }
3623
3624 /*********************************************************************
3625 * _fsopen (MSVCRT.@)
3626 */
3627 MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
3628 {
3629 MSVCRT_FILE *ret;
3630 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3631
3632 if (path && !(pathW = msvcrt_wstrdupa(path))) {
3633 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3634 *MSVCRT__errno() = MSVCRT_EINVAL;
3635 return NULL;
3636 }
3637 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3638 {
3639 MSVCRT_free(pathW);
3640 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
3641 *MSVCRT__errno() = MSVCRT_EINVAL;
3642 return NULL;
3643 }
3644
3645 ret = MSVCRT__wfsopen(pathW, modeW, share);
3646
3647 MSVCRT_free(pathW);
3648 MSVCRT_free(modeW);
3649 return ret;
3650 }
3651
3652 /*********************************************************************
3653 * fopen (MSVCRT.@)
3654 */
3655 MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
3656 {
3657 return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
3658 }
3659
3660 /*********************************************************************
3661 * fopen_s (MSVCRT.@)
3662 */
3663 int CDECL MSVCRT_fopen_s(MSVCRT_FILE** pFile,
3664 const char *filename, const char *mode)
3665 {
3666 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3667 if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
3668 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3669
3670 *pFile = MSVCRT_fopen(filename, mode);
3671
3672 if(!*pFile)
3673 return *MSVCRT__errno();
3674 return 0;
3675 }
3676
3677 /*********************************************************************
3678 * _wfopen (MSVCRT.@)
3679 */
3680 MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
3681 {
3682 return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
3683 }
3684
3685 /*********************************************************************
3686 * _wfopen_s (MSVCRT.@)
3687 */
3688 int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename,
3689 const MSVCRT_wchar_t *mode)
3690 {
3691 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3692 if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL;
3693 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3694
3695 *pFile = MSVCRT__wfopen(filename, mode);
3696
3697 if(!*pFile)
3698 return *MSVCRT__errno();
3699 return 0;
3700 }
3701
3702 /*********************************************************************
3703 * _flsbuf (MSVCRT.@)
3704 */
3705 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
3706 {
3707 /* Flush output buffer */
3708 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
3709 msvcrt_alloc_buffer(file);
3710 }
3711 if(!(file->_flag & MSVCRT__IOWRT)) {
3712 if(file->_flag & MSVCRT__IORW)
3713 file->_flag |= MSVCRT__IOWRT;
3714 else
3715 return MSVCRT_EOF;
3716 }
3717 if(file->_bufsiz) {
3718 int res = 0;
3719
3720 if(file->_cnt <= 0)
3721 res = msvcrt_flush_buffer(file);
3722 if(!res) {
3723 *file->_ptr++ = c;
3724 file->_cnt--;
3725 res = msvcrt_flush_buffer(file);
3726 }
3727
3728 return res ? res : c&0xff;
3729 } else {
3730 unsigned char cc=c;
3731 int len;
3732 /* set _cnt to 0 for unbuffered FILEs */
3733 file->_cnt = 0;
3734 len = MSVCRT__write(file->_file, &cc, 1);
3735 if (len == 1)
3736 return c & 0xff;
3737 file->_flag |= MSVCRT__IOERR;
3738 return MSVCRT_EOF;
3739 }
3740 }
3741
3742 /*********************************************************************
3743 * fputc (MSVCRT.@)
3744 */
3745 int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
3746 {
3747 int res;
3748
3749 MSVCRT__lock_file(file);
3750 if(file->_cnt>0) {
3751 *file->_ptr++=c;
3752 file->_cnt--;
3753 if (c == '\n')
3754 {
3755 res = msvcrt_flush_buffer(file);
3756 MSVCRT__unlock_file(file);
3757 return res ? res : c;
3758 }
3759 else {
3760 MSVCRT__unlock_file(file);
3761 return c & 0xff;
3762 }
3763 } else {
3764 res = MSVCRT__flsbuf(c, file);
3765 MSVCRT__unlock_file(file);
3766 return res;
3767 }
3768 }
3769
3770 /*********************************************************************
3771 * _fputchar (MSVCRT.@)
3772 */
3773 int CDECL MSVCRT__fputchar(int c)
3774 {
3775 return MSVCRT_fputc(c, MSVCRT_stdout);
3776 }
3777
3778 /*********************************************************************
3779 * fread (MSVCRT.@)
3780 */
3781 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
3782 {
3783 MSVCRT_size_t rcnt=size * nmemb;
3784 MSVCRT_size_t read=0;
3785 int pread=0;
3786
3787 if(!rcnt)
3788 return 0;
3789
3790 MSVCRT__lock_file(file);
3791
3792 /* first buffered data */
3793 if(file->_cnt>0) {
3794 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
3795 memcpy(ptr, file->_ptr, pcnt);
3796 file->_cnt -= pcnt;
3797 file->_ptr += pcnt;
3798 read += pcnt ;
3799 rcnt -= pcnt ;
3800 ptr = (char*)ptr + pcnt;
3801 } else if(!(file->_flag & MSVCRT__IOREAD )) {
3802 if(file->_flag & MSVCRT__IORW) {
3803 file->_flag |= MSVCRT__IOREAD;
3804 } else {
3805 MSVCRT__unlock_file(file);
3806 return 0;
3807 }
3808 }
3809 while(rcnt>0)
3810 {
3811 int i;
3812 if (!file->_cnt && rcnt<MSVCRT_BUFSIZ && !(file->_flag & MSVCRT__IONBF)
3813 && (file->_bufsiz != 0 || msvcrt_alloc_buffer(file))) {
3814 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
3815 file->_ptr = file->_base;
3816 i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
3817 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
3818 if (i > 0 && i < file->_cnt) {
3819 msvcrt_get_ioinfo(file->_file)->wxflag &= ~WX_ATEOF;
3820 file->_flag &= ~MSVCRT__IOEOF;
3821 }
3822 if (i > 0) {
3823 memcpy(ptr, file->_ptr, i);
3824 file->_cnt -= i;
3825 file->_ptr += i;
3826 }
3827 } else if (rcnt > UINT_MAX) {
3828 i = MSVCRT__read(file->_file, ptr, UINT_MAX);
3829 } else if (rcnt < MSVCRT_BUFSIZ) {
3830 i = MSVCRT__read(file->_file, ptr, rcnt);
3831 } else {
3832 i = MSVCRT__read(file->_file, ptr, rcnt - MSVCRT_BUFSIZ/2);
3833 }
3834 pread += i;
3835 rcnt -= i;
3836 ptr = (char *)ptr+i;
3837 /* expose feof condition in the flags
3838 * MFC tests file->_flag for feof, and doesn't call feof())
3839 */
3840 if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_ATEOF)
3841 file->_flag |= MSVCRT__IOEOF;
3842 else if (i == -1)
3843 {
3844 file->_flag |= MSVCRT__IOERR;
3845 pread = 0;
3846 rcnt = 0;
3847 }
3848 if (i < 1) break;
3849 }
3850 read+=pread;
3851 MSVCRT__unlock_file(file);
3852 return read / size;
3853 }
3854
3855
3856 /* fread_s - not exported in native msvcrt */
3857 MSVCRT_size_t CDECL fread_s(void *buf, MSVCRT_size_t buf_size, MSVCRT_size_t elem_size,
3858 MSVCRT_size_t count, MSVCRT_FILE *stream)
3859 {
3860 size_t bytes_left, buf_pos;
3861
3862 TRACE("(%p %lu %lu %lu %p\n", buf, buf_size, elem_size, count, stream);
3863
3864 if(!MSVCRT_CHECK_PMT(stream != NULL)) {
3865 if(buf && buf_size)
3866 memset(buf, 0, buf_size);
3867 return 0;
3868 }
3869 if(!elem_size || !count) return 0;
3870 if(!MSVCRT_CHECK_PMT(buf != NULL)) return 0;
3871 if(!MSVCRT_CHECK_PMT(MSVCRT_SIZE_MAX/count >= elem_size)) return 0;
3872
3873 bytes_left = elem_size*count;
3874 buf_pos = 0;
3875 while(bytes_left) {
3876 if(stream->_cnt > 0) {
3877 size_t size = bytes_left<stream->_cnt ? bytes_left : stream->_cnt;
3878
3879 if(!MSVCRT_CHECK_PMT_ERR(size <= buf_size-buf_pos, MSVCRT_ERANGE)) {
3880 memset(buf, 0, buf_size);
3881 return 0;
3882 }
3883
3884 MSVCRT_fread((char*)buf+buf_pos, 1, size, stream);
3885 buf_pos += size;
3886 bytes_left -= size;
3887 }else {
3888 int c = MSVCRT__filbuf(stream);
3889
3890 if(c == EOF)
3891 break;
3892
3893 if(!MSVCRT_CHECK_PMT_ERR(buf_size-buf_pos > 0, MSVCRT_ERANGE)) {
3894 memset(buf, 0, buf_size);
3895 return 0;
3896 }
3897
3898 ((char*)buf)[buf_pos++] = c;
3899 bytes_left--;
3900 }
3901 }
3902
3903 return buf_pos/elem_size;
3904 }
3905
3906 /*********************************************************************
3907 * _wfreopen (MSVCRT.@)
3908 *
3909 */
3910 MSVCRT_FILE* CDECL MSVCRT__wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
3911 {
3912 int open_flags, stream_flags, fd;
3913
3914 TRACE(":path (%s) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file->_file);
3915
3916 LOCK_FILES();
3917 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
3918 file = NULL;
3919 else
3920 {
3921 MSVCRT_fclose(file);
3922 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
3923 file = NULL;
3924 else if((fd = MSVCRT__wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE)) < 0)
3925 file = NULL;
3926 else if(msvcrt_init_fp(file, fd, stream_flags) == -1)
3927 {
3928 file->_flag = 0;
3929 file = NULL;
3930 }
3931 }
3932 UNLOCK_FILES();
3933 return file;
3934 }
3935
3936 /*********************************************************************
3937 * _wfreopen_s (MSVCRT.@)
3938 */
3939 int CDECL MSVCRT__wfreopen_s(MSVCRT_FILE** pFile,
3940 const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
3941 {
3942 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3943 if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
3944 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3945 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
3946
3947 *pFile = MSVCRT__wfreopen(path, mode, file);
3948
3949 if(!*pFile)
3950 return *MSVCRT__errno();
3951 return 0;
3952 }
3953
3954 /*********************************************************************
3955 * freopen (MSVCRT.@)
3956 *
3957 */
3958 MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
3959 {
3960 MSVCRT_FILE *ret;
3961 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
3962
3963 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
3964 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
3965 {
3966 MSVCRT_free(pathW);
3967 return NULL;
3968 }
3969
3970 ret = MSVCRT__wfreopen(pathW, modeW, file);
3971
3972 MSVCRT_free(pathW);
3973 MSVCRT_free(modeW);
3974 return ret;
3975 }
3976
3977 /*********************************************************************
3978 * freopen_s (MSVCRT.@)
3979 */
3980 int CDECL MSVCRT_freopen_s(MSVCRT_FILE** pFile,
3981 const char *path, const char *mode, MSVCRT_FILE* file)
3982 {
3983 if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL;
3984 if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL;
3985 if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL;
3986 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
3987
3988 *pFile = MSVCRT_freopen(path, mode, file);
3989
3990 if(!*pFile)
3991 return *MSVCRT__errno();
3992 return 0;
3993 }
3994
3995 /*********************************************************************
3996 * fsetpos (MSVCRT.@)
3997 */
3998 int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3999 {
4000 int ret;
4001
4002 MSVCRT__lock_file(file);
4003 /* Note that all this has been lifted 'as is' from fseek */
4004 if(file->_flag & MSVCRT__IOWRT)
4005 msvcrt_flush_buffer(file);
4006
4007 /* Discard buffered input */
4008 file->_cnt = 0;
4009 file->_ptr = file->_base;
4010
4011 /* Reset direction of i/o */
4012 if(file->_flag & MSVCRT__IORW) {
4013 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
4014 }
4015
4016 ret = (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
4017 MSVCRT__unlock_file(file);
4018 return ret;
4019 }
4020
4021 /*********************************************************************
4022 * _ftelli64 (MSVCRT.@)
4023 */
4024 __int64 CDECL MSVCRT__ftelli64(MSVCRT_FILE* file)
4025 {
4026 __int64 pos;
4027
4028 MSVCRT__lock_file(file);
4029 pos = _telli64(file->_file);
4030 if(pos == -1) {
4031 MSVCRT__unlock_file(file);
4032 return -1;
4033 }
4034 if(file->_bufsiz) {
4035 if(file->_flag & MSVCRT__IOWRT) {
4036 pos += file->_ptr - file->_base;
4037
4038 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
4039 char *p;
4040
4041 for(p=file->_base; p<file->_ptr; p++)
4042 if(*p == '\n')
4043 pos++;
4044 }
4045 } else if(!file->_cnt) { /* nothing to do */
4046 } else if(MSVCRT__lseeki64(file->_file, 0, SEEK_END)==pos) {
4047 int i;
4048
4049 pos -= file->_cnt;
4050 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
4051 for(i=0; i<file->_cnt; i++)
4052 if(file->_ptr[i] == '\n')
4053 pos--;
4054 }
4055 } else {
4056 char *p;
4057
4058 if(MSVCRT__lseeki64(file->_file, pos, SEEK_SET) != pos) {
4059 MSVCRT__unlock_file(file);
4060 return -1;
4061 }
4062
4063 pos -= file->_bufsiz;
4064 pos += file->_ptr - file->_base;
4065
4066 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) {
4067 if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READNL)
4068 pos--;
4069
4070 for(p=file->_base; p<file->_ptr; p++)
4071 if(*p == '\n')
4072 pos++;
4073 }
4074 }
4075 }
4076
4077 MSVCRT__unlock_file(file);
4078 return pos;
4079 }
4080
4081 /*********************************************************************
4082 * ftell (MSVCRT.@)
4083 */
4084 LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
4085 {
4086 return MSVCRT__ftelli64(file);
4087 }
4088
4089 /*********************************************************************
4090 * fgetpos (MSVCRT.@)
4091 */
4092 int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
4093 {
4094 *pos = MSVCRT__ftelli64(file);
4095 if(*pos == -1)
4096 return -1;
4097 return 0;
4098 }
4099
4100 /*********************************************************************
4101 * fputs (MSVCRT.@)
4102 */
4103 int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
4104 {
4105 MSVCRT_size_t len = strlen(s);
4106 int ret;
4107
4108 MSVCRT__lock_file(file);
4109 ret = MSVCRT_fwrite(s, sizeof(*s), len, file) == len ? 0 : MSVCRT_EOF;
4110 MSVCRT__unlock_file(file);
4111 return ret;
4112 }
4113
4114 /*********************************************************************
4115 * fputws (MSVCRT.@)
4116 */
4117 int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
4118 {
4119 MSVCRT_size_t i, len = strlenW(s);
4120 BOOL tmp_buf;
4121 int ret;
4122
4123 MSVCRT__lock_file(file);
4124 if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
4125 ret = MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
4126 MSVCRT__unlock_file(file);
4127 return ret;
4128 }
4129
4130 tmp_buf = add_std_buffer(file);
4131 for (i=0; i<len; i++) {
4132 if(MSVCRT_fputwc(s[i], file) == MSVCRT_WEOF) {
4133 if(tmp_buf) remove_std_buffer(file);
4134 MSVCRT__unlock_file(file);
4135 return MSVCRT_WEOF;
4136 }
4137 }
4138
4139 if(tmp_buf) remove_std_buffer(file);
4140 MSVCRT__unlock_file(file);
4141 return 0;
4142 }
4143
4144 /*********************************************************************
4145 * getchar (MSVCRT.@)
4146 */
4147 int CDECL MSVCRT_getchar(void)
4148 {
4149 return MSVCRT_fgetc(MSVCRT_stdin);
4150 }
4151
4152 /*********************************************************************
4153 * getc (MSVCRT.@)
4154 */
4155 int CDECL MSVCRT_getc(MSVCRT_FILE* file)
4156 {
4157 return MSVCRT_fgetc(file);
4158 }
4159
4160 /*********************************************************************
4161 * gets (MSVCRT.@)
4162 */
4163 char * CDECL MSVCRT_gets(char *buf)
4164 {
4165 int cc;
4166 char * buf_start = buf;
4167
4168 MSVCRT__lock_file(MSVCRT_stdin);
4169 for(cc = MSVCRT_fgetc(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
4170 cc = MSVCRT_fgetc(MSVCRT_stdin))
4171 if(cc != '\r') *buf++ = (char)cc;
4172
4173 *buf = '\0';
4174
4175 TRACE("got '%s'\n", buf_start);
4176 MSVCRT__unlock_file(MSVCRT_stdin);
4177 return buf_start;
4178 }
4179
4180 /*********************************************************************
4181 * _getws (MSVCRT.@)
4182 */
4183 MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
4184 {
4185 MSVCRT_wint_t cc;
4186 MSVCRT_wchar_t* ws = buf;
4187
4188 MSVCRT__lock_file(MSVCRT_stdin);
4189 for (cc = MSVCRT_fgetwc(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
4190 cc = MSVCRT_fgetwc(MSVCRT_stdin))
4191 {
4192 if (cc != '\r')
4193 *buf++ = (MSVCRT_wchar_t)cc;
4194 }
4195 *buf = '\0';
4196
4197 TRACE("got %s\n", debugstr_w(ws));
4198 MSVCRT__unlock_file(MSVCRT_stdin);
4199 return ws;
4200 }
4201
4202 /*********************************************************************
4203 * putc (MSVCRT.@)
4204 */
4205 int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
4206 {
4207 return MSVCRT_fputc(c, file);
4208 }
4209
4210 /*********************************************************************
4211 * putchar (MSVCRT.@)
4212 */
4213 int CDECL MSVCRT_putchar(int c)
4214 {
4215 return MSVCRT_fputc(c, MSVCRT_stdout);
4216 }
4217
4218 /*********************************************************************
4219 * _putwch (MSVCRT.@)
4220 */
4221 int CDECL MSVCRT__putwch(int c)
4222 {
4223 return MSVCRT_fputwc(c, MSVCRT_stdout);
4224 }
4225
4226 /*********************************************************************
4227 * puts (MSVCRT.@)
4228 */
4229 int CDECL MSVCRT_puts(const char *s)
4230 {
4231 MSVCRT_size_t len = strlen(s);
4232 int ret;
4233
4234 MSVCRT__lock_file(MSVCRT_stdout);
4235 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
4236 MSVCRT__unlock_file(MSVCRT_stdout);
4237 return MSVCRT_EOF;
4238 }
4239
4240 ret = MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
4241 MSVCRT__unlock_file(MSVCRT_stdout);
4242 return ret;
4243 }
4244
4245 /*********************************************************************
4246 * _putws (MSVCRT.@)
4247 */
4248 int CDECL MSVCRT__putws(const MSVCRT_wchar_t *s)
4249 {
4250 static const MSVCRT_wchar_t nl = '\n';
4251 MSVCRT_size_t len = strlenW(s);
4252 int ret;
4253
4254 MSVCRT__lock_file(MSVCRT_stdout);
4255 if(MSVCRT_fwrite(s, sizeof(*s), len, MSVCRT_stdout) != len) {
4256 MSVCRT__unlock_file(MSVCRT_stdout);
4257 return MSVCRT_EOF;
4258 }
4259
4260 ret = MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
4261 MSVCRT__unlock_file(MSVCRT_stdout);
4262 return ret;
4263 }
4264
4265 /*********************************************************************
4266 * remove (MSVCRT.@)
4267 */
4268 int CDECL MSVCRT_remove(const char *path)
4269 {
4270 TRACE("(%s)\n",path);
4271 if (DeleteFileA(path))
4272 return 0;
4273 TRACE(":failed (%d)\n",GetLastError());
4274 msvcrt_set_errno(GetLastError());
4275 return -1;
4276 }
4277
4278 /*********************************************************************
4279 * _wremove (MSVCRT.@)
4280 */
4281 int CDECL MSVCRT__wremove(const MSVCRT_wchar_t *path)
4282 {
4283 TRACE("(%s)\n",debugstr_w(path));
4284 if (DeleteFileW(path))
4285 return 0;
4286 TRACE(":failed (%d)\n",GetLastError());
4287 msvcrt_set_errno(GetLastError());
4288 return -1;
4289 }
4290
4291 /*********************************************************************
4292 * rename (MSVCRT.@)
4293 */
4294 int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
4295 {
4296 TRACE(":from %s to %s\n",oldpath,newpath);
4297 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
4298 return 0;
4299 TRACE(":failed (%d)\n",GetLastError());
4300 msvcrt_set_errno(GetLastError());
4301 return -1;
4302 }
4303
4304 /*********************************************************************
4305 * _wrename (MSVCRT.@)
4306 */
4307 int CDECL MSVCRT__wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
4308 {
4309 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
4310 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
4311 return 0;
4312 TRACE(":failed (%d)\n",GetLastError());
4313 msvcrt_set_errno(GetLastError());
4314 return -1;
4315 }
4316
4317 /*********************************************************************
4318 * setvbuf (MSVCRT.@)
4319 */
4320 int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
4321 {
4322 MSVCRT__lock_file(file);
4323 if(file->_bufsiz) {
4324 MSVCRT_free(file->_base);
4325 file->_bufsiz = 0;
4326 file->_cnt = 0;
4327 }
4328 if(mode == MSVCRT__IOFBF) {
4329 file->_flag &= ~MSVCRT__IONBF;
4330 file->_base = file->_ptr = buf;
4331 if(buf) {
4332 file->_bufsiz = size;
4333 }
4334 } else {
4335 file->_flag |= MSVCRT__IONBF;
4336 }
4337 MSVCRT__unlock_file(file);
4338 return 0;
4339 }
4340
4341 /*********************************************************************
4342 * setbuf (MSVCRT.@)
4343 */
4344 void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
4345 {
4346 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
4347 }
4348
4349 /*********************************************************************
4350 * tmpnam (MSVCRT.@)
4351 */
4352 char * CDECL MSVCRT_tmpnam(char *s)
4353 {
4354 char tmpstr[16];
4355 char *p;
4356 int count, size;
4357
4358 if (!s) {
4359 thread_data_t *data = msvcrt_get_thread_data();
4360
4361 if(!data->tmpnam_buffer)
4362 data->tmpnam_buffer = MSVCRT_malloc(MAX_PATH);
4363
4364 s = data->tmpnam_buffer;
4365 }
4366
4367 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
4368 p = s + sprintf(s, "\\s%s.", tmpstr);
4369 for (count = 0; count < MSVCRT_TMP_MAX; count++)
4370 {
4371 size = msvcrt_int_to_base32(tmpnam_unique++, tmpstr);
4372 memcpy(p, tmpstr, size);
4373 p[size] = '\0';
4374 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
4375 GetLastError() == ERROR_FILE_NOT_FOUND)
4376 break;
4377 }
4378 return s;
4379 }
4380
4381 /*********************************************************************
4382 * _wtmpnam (MSVCRT.@)
4383 */
4384 MSVCRT_wchar_t * CDECL MSVCRT_wtmpnam(MSVCRT_wchar_t *s)
4385 {
4386 static const MSVCRT_wchar_t format[] = {'\\','s','%','s','.',0};
4387 MSVCRT_wchar_t tmpstr[16];
4388 MSVCRT_wchar_t *p;
4389 int count, size;
4390 if (!s) {
4391 thread_data_t *data = msvcrt_get_thread_data();
4392
4393 if(!data->wtmpnam_buffer)
4394 data->wtmpnam_buffer = MSVCRT_malloc(sizeof(MSVCRT_wchar_t[MAX_PATH]));
4395
4396 s = data->wtmpnam_buffer;
4397 }
4398
4399 msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr);
4400 p = s + MSVCRT__snwprintf(s, MAX_PATH, format, tmpstr);
4401 for (count = 0; count < MSVCRT_TMP_MAX; count++)
4402 {
4403 size = msvcrt_int_to_base32_w(tmpnam_unique++, tmpstr);
4404 memcpy(p, tmpstr, size*sizeof(MSVCRT_wchar_t));
4405 p[size] = '\0';
4406 if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
4407 GetLastError() == ERROR_FILE_NOT_FOUND)
4408 break;
4409 }
4410 return s;
4411 }
4412
4413 /*********************************************************************
4414 * tmpfile (MSVCRT.@)
4415 */
4416 MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
4417 {
4418 char *filename = MSVCRT_tmpnam(NULL);
4419 int fd;
4420 MSVCRT_FILE* file = NULL;
4421
4422 LOCK_FILES();
4423 fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY,
4424 MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
4425 if (fd != -1 && (file = msvcrt_alloc_fp()))
4426 {
4427 if (msvcrt_init_fp(file, fd, MSVCRT__IORW) == -1)
4428 {
4429 file->_flag = 0;
4430 file = NULL;
4431 }
4432 else file->_tmpfname = MSVCRT__strdup(filename);
4433 }
4434
4435 if(fd != -1 && !file)
4436 MSVCRT__close(fd);
4437 UNLOCK_FILES();
4438 return file;
4439 }
4440
4441 /*********************************************************************
4442 * tmpfile_s (MSVCRT.@)
4443 */
4444 int CDECL MSVCRT_tmpfile_s(MSVCRT_FILE** file)
4445 {
4446 if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL;
4447
4448 *file = MSVCRT_tmpfile();
4449 return 0;
4450 }
4451
4452 static int puts_clbk_file_a(void *file, int len, const char *str)
4453 {
4454 return MSVCRT_fwrite(str, sizeof(char), len, file);
4455 }
4456
4457 static int puts_clbk_file_w(void *file, int len, const MSVCRT_wchar_t *str)
4458 {
4459 int i, ret;
4460
4461 MSVCRT__lock_file(file);
4462
4463 if(!(msvcrt_get_ioinfo(((MSVCRT_FILE*)file)->_file)->wxflag & WX_TEXT)) {
4464 ret = MSVCRT_fwrite(str, sizeof(MSVCRT_wchar_t), len, file);
4465 MSVCRT__unlock_file(file);
4466 return ret;
4467 }
4468
4469 for(i=0; i<len; i++) {
4470 if(MSVCRT_fputwc(str[i], file) == MSVCRT_WEOF) {
4471 MSVCRT__unlock_file(file);
4472 return -1;
4473 }
4474 }
4475
4476 MSVCRT__unlock_file(file);
4477 return len;
4478 }
4479
4480 /*********************************************************************
4481 * vfprintf (MSVCRT.@)
4482 */
4483 int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
4484 {
4485 BOOL tmp_buf;
4486 int ret;
4487
4488 MSVCRT__lock_file(file);
4489 tmp_buf = add_std_buffer(file);
4490 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4491 if(tmp_buf) remove_std_buffer(file);
4492 MSVCRT__unlock_file(file);
4493
4494 return ret;
4495 }
4496
4497 /*********************************************************************
4498 * vfprintf_s (MSVCRT.@)
4499 */
4500 int CDECL MSVCRT_vfprintf_s(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
4501 {
4502 BOOL tmp_buf;
4503 int ret;
4504
4505 if(!MSVCRT_CHECK_PMT(file != NULL)) return -1;
4506
4507 MSVCRT__lock_file(file);
4508 tmp_buf = add_std_buffer(file);
4509 ret = pf_printf_a(puts_clbk_file_a, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
4510 if(tmp_buf) remove_std_buffer(file);
4511 MSVCRT__unlock_file(file);
4512
4513 return ret;
4514 }
4515
4516 /*********************************************************************
4517 * vfwprintf (MSVCRT.@)
4518 */
4519 int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
4520 {
4521 BOOL tmp_buf;
4522 int ret;
4523
4524 MSVCRT__lock_file(file);
4525 tmp_buf = add_std_buffer(file);
4526 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4527 if(tmp_buf) remove_std_buffer(file);
4528 MSVCRT__unlock_file(file);
4529
4530 return ret;
4531 }
4532
4533 /*********************************************************************
4534 * vfwprintf_s (MSVCRT.@)
4535 */
4536 int CDECL MSVCRT_vfwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
4537 {
4538 BOOL tmp_buf;
4539 int ret;
4540
4541 if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
4542
4543 MSVCRT__lock_file(file);
4544 tmp_buf = add_std_buffer(file);
4545 ret = pf_printf_w(puts_clbk_file_w, file, format, NULL, FALSE, TRUE, arg_clbk_valist, NULL, &valist);
4546 if(tmp_buf) remove_std_buffer(file);
4547 MSVCRT__unlock_file(file);
4548
4549 return ret;
4550 }
4551
4552 /*********************************************************************
4553 * _vfwprintf_l (MSVCRT.@)
4554 */
4555 int CDECL MSVCRT__vfwprintf_l(MSVCRT_FILE* file, const MSVCRT_wchar_t *format,
4556 MSVCRT__locale_t locale, __ms_va_list valist)
4557 {
4558 BOOL tmp_buf;
4559 int ret;
4560
4561 if (!MSVCRT_CHECK_PMT( file != NULL )) return -1;
4562
4563 MSVCRT__lock_file(file);
4564 tmp_buf = add_std_buffer(file);
4565 ret = pf_printf_w(puts_clbk_file_w, file, format, locale, FALSE, FALSE, arg_clbk_valist, NULL, &valist);
4566 if(tmp_buf) remove_std_buffer(file);
4567 MSVCRT__unlock_file(file);
4568
4569 return ret;
4570 }
4571
4572 /*********************************************************************
4573 * vprintf (MSVCRT.@)
4574 */
4575 int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
4576 {
4577 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
4578 }
4579
4580 /*********************************************************************
4581 * vprintf_s (MSVCRT.@)
4582 */
4583 int CDECL MSVCRT_vprintf_s(const char *format, __ms_va_list valist)
4584 {
4585 return MSVCRT_vfprintf_s(MSVCRT_stdout,format,valist);
4586 }
4587
4588 /*********************************************************************
4589 * vwprintf (MSVCRT.@)
4590 */
4591 int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
4592 {
4593 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
4594 }
4595
4596 /*********************************************************************
4597 * vwprintf_s (MSVCRT.@)
4598 */
4599 int CDECL MSVCRT_vwprintf_s(const MSVCRT_wchar_t *format, __ms_va_list valist)
4600 {
4601 return MSVCRT_vfwprintf_s(MSVCRT_stdout,format,valist);
4602 }
4603
4604 /*********************************************************************
4605 * fprintf (MSVCRT.@)
4606 */
4607 int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
4608 {
4609 __ms_va_list valist;
4610 int res;
4611 __ms_va_start(valist, format);
4612 res = MSVCRT_vfprintf(file, format, valist);
4613 __ms_va_end(valist);
4614 return res;
4615 }
4616
4617 /*********************************************************************
4618 * fprintf_s (MSVCRT.@)
4619 */
4620 int CDECL MSVCRT_fprintf_s(MSVCRT_FILE* file, const char *format, ...)
4621 {
4622 __ms_va_list valist;
4623 int res;
4624 __ms_va_start(valist, format);
4625 res = MSVCRT_vfprintf_s(file, format, valist);
4626 __ms_va_end(valist);
4627 return res;
4628 }
4629
4630 /*********************************************************************
4631 * fwprintf (MSVCRT.@)
4632 */
4633 int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
4634 {
4635 __ms_va_list valist;
4636 int res;
4637 __ms_va_start(valist, format);
4638 res = MSVCRT_vfwprintf(file, format, valist);
4639 __ms_va_end(valist);
4640 return res;
4641 }
4642
4643 /*********************************************************************
4644 * fwprintf_s (MSVCRT.@)
4645 */
4646 int CDECL MSVCRT_fwprintf_s(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
4647 {
4648 __ms_va_list valist;
4649 int res;
4650 __ms_va_start(valist, format);
4651 res = MSVCRT_vfwprintf_s(file, format, valist);
4652 __ms_va_end(valist);
4653 return res;
4654 }
4655
4656 /*********************************************************************
4657 * _fwprintf_l (MSVCRT.@)
4658 */
4659 int CDECL MSVCRT__fwprintf_l(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, ...)
4660 {
4661 __ms_va_list valist;
4662 int res;
4663 __ms_va_start(valist, locale);
4664 res = MSVCRT__vfwprintf_l(file, format, locale, valist);
4665 __ms_va_end(valist);
4666 return res;
4667 }
4668
4669 /*********************************************************************
4670 * printf (MSVCRT.@)
4671 */
4672 int CDECL MSVCRT_printf(const char *format, ...)
4673 {
4674 __ms_va_list valist;
4675 int res;
4676 __ms_va_start(valist, format);
4677 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
4678 __ms_va_end(valist);
4679 return res;
4680 }
4681
4682 /*********************************************************************
4683 * printf_s (MSVCRT.@)
4684 */
4685 int CDECL MSVCRT_printf_s(const char *format, ...)
4686 {
4687 __ms_va_list valist;
4688 int res;
4689 __ms_va_start(valist, format);
4690 res = MSVCRT_vprintf_s(format, valist);
4691 __ms_va_end(valist);
4692 return res;
4693 }
4694
4695 /*********************************************************************
4696 * ungetc (MSVCRT.@)
4697 */
4698 int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
4699 {
4700 if (c == MSVCRT_EOF)
4701 return MSVCRT_EOF;
4702
4703 MSVCRT__lock_file(file);
4704 if(file->_bufsiz == 0 && msvcrt_alloc_buffer(file))
4705 file->_ptr++;
4706 if(file->_ptr>file->_base) {
4707 file->_ptr--;
4708 *file->_ptr=c;
4709 file->_cnt++;
4710 MSVCRT_clearerr(file);
4711 MSVCRT__unlock_file(file);
4712 return c;
4713 }
4714
4715 MSVCRT__unlock_file(file);
4716 return MSVCRT_EOF;
4717 }
4718
4719 /*********************************************************************
4720 * ungetwc (MSVCRT.@)
4721 */
4722 MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
4723 {
4724 MSVCRT_wchar_t mwc = wc;
4725 unsigned char * pp = (unsigned char *)&mwc;
4726 int i;
4727
4728 if (wc == MSVCRT_WEOF)
4729 return MSVCRT_WEOF;
4730
4731 MSVCRT__lock_file(file);
4732 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
4733 if(pp[i] != MSVCRT_ungetc(pp[i],file)) {
4734 MSVCRT__unlock_file(file);
4735 return MSVCRT_WEOF;
4736 }
4737 }
4738
4739 MSVCRT__unlock_file(file);
4740 return mwc;
4741 }
4742
4743 /*********************************************************************
4744 * wprintf (MSVCRT.@)
4745 */
4746 int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
4747 {
4748 __ms_va_list valist;
4749 int res;
4750 __ms_va_start(valist, format);
4751 res = MSVCRT_vwprintf(format, valist);
4752 __ms_va_end(valist);
4753 return res;
4754 }
4755
4756 /*********************************************************************
4757 * wprintf_s (MSVCRT.@)
4758 */
4759 int CDECL MSVCRT_wprintf_s(const MSVCRT_wchar_t *format, ...)
4760 {
4761 __ms_va_list valist;
4762 int res;
4763 __ms_va_start(valist, format);
4764 res = MSVCRT_vwprintf_s(format, valist);
4765 __ms_va_end(valist);
4766 return res;
4767 }
4768
4769 /*********************************************************************
4770 * _getmaxstdio (MSVCRT.@)
4771 */
4772 int CDECL MSVCRT__getmaxstdio(void)
4773 {
4774 return MSVCRT_max_streams;
4775 }
4776
4777 /*********************************************************************
4778 * _setmaxstdio (MSVCRT.@)
4779 */
4780 int CDECL MSVCRT__setmaxstdio(int newmax)
4781 {
4782 TRACE("%d\n", newmax);
4783
4784 if(newmax<_IOB_ENTRIES || newmax>MSVCRT_MAX_FILES || newmax<MSVCRT_stream_idx)
4785 return -1;
4786
4787 MSVCRT_max_streams = newmax;
4788 return MSVCRT_max_streams;
4789 }
Windows API implementation