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[CRT]
[reactos.git] / reactos / lib / sdk / crt / stdio / file.c
1 /*
2 * PROJECT: ReactOS CRT library
3 * LICENSE: LGPL - See COPYING in the top level directory
4 * FILE: lib/sdk/crt/stdio/file.c
5 * PURPOSE: File CRT functions
6 * PROGRAMMERS: Wine team
7 * Ported to ReactOS by Aleksey Bragin (aleksey@reactos.org)
8 */
9
10 /*********************************************
11 * This file contains ReactOS changes!!
12 * Don't blindly sync it with Wine code!
13 *
14 * If you break Unicode output on the console again, please update this counter:
15 * int hours_wasted_on_this = 42;
16 *********************************************/
17
18 /*
19 * msvcrt.dll file functions
20 *
21 * Copyright 1996,1998 Marcus Meissner
22 * Copyright 1996 Jukka Iivonen
23 * Copyright 1997,2000 Uwe Bonnes
24 * Copyright 2000 Jon Griffiths
25 * Copyright 2004 Eric Pouech
26 * Copyright 2004 Juan Lang
27 *
28 * This library is free software; you can redistribute it and/or
29 * modify it under the terms of the GNU Lesser General Public
30 * License as published by the Free Software Foundation; either
31 * version 2.1 of the License, or (at your option) any later version.
32 *
33 * This library is distributed in the hope that it will be useful,
34 * but WITHOUT ANY WARRANTY; without even the implied warranty of
35 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
36 * Lesser General Public License for more details.
37 *
38 * You should have received a copy of the GNU Lesser General Public
39 * License along with this library; if not, write to the Free Software
40 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
41 *
42 * TODO
43 * Use the file flag hints O_SEQUENTIAL, O_RANDOM, O_SHORT_LIVED
44 */
45
46 #include <precomp.h>
47 #include "wine/unicode.h"
48
49 #include <sys/utime.h>
50 #include <direct.h>
51
52 int *__p__fmode(void);
53 int *__p___mb_cur_max(void);
54
55 #ifdef feof
56 #undef feof
57 #endif
58 #ifdef _fileno
59 #undef _fileno
60 #endif
61 #ifdef ferror
62 #undef ferror
63 #endif
64 #ifdef clearerr
65 #undef clearerr
66 #endif
67
68 #undef getc
69 #undef getwc
70 #undef getchar
71 #undef getwchar
72 #undef putc
73 #undef putwc
74 #undef putchar
75 #undef putwchar
76
77 #undef vprintf
78 #undef vwprintf
79
80 /* _access() bit flags FIXME: incomplete */
81 /* defined in crt/io.h */
82
83 /* values for wxflag in file descriptor */
84 #define WX_OPEN 0x01
85 #define WX_ATEOF 0x02
86 #define WX_READNL 0x04 /* read started with \n */
87 #define WX_READEOF 0x04 /* like ATEOF, but for underlying file rather than buffer */
88 #define WX_PIPE 0x08
89 #define WX_READCR 0x08 /* underlying file is at \r */
90 #define WX_DONTINHERIT 0x10
91 #define WX_APPEND 0x20
92 #define WX_NOSEEK 0x40
93 #define WX_TEXT 0x80
94
95 /* FIXME: this should be allocated dynamically */
96 #define MAX_FILES 2048
97 #define FD_BLOCK_SIZE 64
98
99 typedef struct {
100 HANDLE handle;
101 unsigned char wxflag;
102 char unk1;
103 BOOL crit_init;
104 CRITICAL_SECTION crit;
105 } ioinfo;
106
107 /*********************************************************************
108 * __pioinfo (MSVCRT.@)
109 * array of pointers to ioinfo arrays [64]
110 */
111 ioinfo * __pioinfo[MAX_FILES/FD_BLOCK_SIZE] = { 0 };
112
113 /*********************************************************************
114 * __badioinfo (MSVCRT.@)
115 */
116 ioinfo __badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT };
117
118 static int fdstart = 3; /* first unallocated fd */
119 static int fdend = 3; /* highest allocated fd */
120
121 typedef struct {
122 FILE file;
123 CRITICAL_SECTION crit;
124 } file_crit;
125
126 FILE _iob[_IOB_ENTRIES] = { { 0 } };
127 static file_crit* fstream[MAX_FILES/FD_BLOCK_SIZE] = { NULL };
128 static int max_streams = 512, stream_idx;
129
130 /* INTERNAL: process umask */
131 static int MSVCRT_umask = 0;
132
133 /* INTERNAL: static data for tmpnam and _wtmpname functions */
134 static int tmpnam_unique;
135
136 /* This critical section protects the tables __pioinfo and fstreams,
137 * and their related indexes, fdstart, fdend,
138 * and stream_idx, from race conditions.
139 * It doesn't protect against race conditions manipulating the underlying files
140 * or flags; doing so would probably be better accomplished with per-file
141 * protection, rather than locking the whole table for every change.
142 */
143 static CRITICAL_SECTION file_cs;
144 #define LOCK_FILES() do { EnterCriticalSection(&file_cs); } while (0)
145 #define UNLOCK_FILES() do { LeaveCriticalSection(&file_cs); } while (0)
146
147 static inline ioinfo* get_ioinfo(int fd)
148 {
149 ioinfo *ret = NULL;
150 if(fd < MAX_FILES)
151 ret = __pioinfo[fd/FD_BLOCK_SIZE];
152 if(!ret)
153 return &__badioinfo;
154
155 return ret + (fd%FD_BLOCK_SIZE);
156 }
157
158 static inline FILE* get_file(int i)
159 {
160 file_crit *ret;
161
162 if(i >= max_streams)
163 return NULL;
164
165 if(i < _IOB_ENTRIES)
166 return &_iob[i];
167
168 ret = fstream[i/FD_BLOCK_SIZE];
169 if(!ret) {
170 fstream[i/FD_BLOCK_SIZE] = calloc(FD_BLOCK_SIZE, sizeof(file_crit));
171 if(!fstream[i/FD_BLOCK_SIZE]) {
172 ERR("out of memory\n");
173 *_errno() = ENOMEM;
174 return NULL;
175 }
176
177 ret = fstream[i/FD_BLOCK_SIZE] + (i%FD_BLOCK_SIZE);
178 } else
179 ret += i%FD_BLOCK_SIZE;
180
181 return &ret->file;
182 }
183
184 static inline BOOL is_valid_fd(int fd)
185 {
186 return fd >= 0 && fd < fdend && (get_ioinfo(fd)->wxflag & WX_OPEN);
187 }
188
189 /* INTERNAL: Get the HANDLE for a fd
190 * This doesn't lock the table, because a failure will result in
191 * INVALID_HANDLE_VALUE being returned, which should be handled correctly. If
192 * it returns a valid handle which is about to be closed, a subsequent call
193 * will fail, most likely in a sane way.
194 */
195 /*static*/ HANDLE fdtoh(int fd)
196 {
197 if (!is_valid_fd(fd))
198 {
199 WARN(":fd (%d) - no handle!\n",fd);
200 *__doserrno() = 0;
201 *_errno() = EBADF;
202 return INVALID_HANDLE_VALUE;
203 }
204 //if (get_ioinfo(fd)->handle == INVALID_HANDLE_VALUE)
205 //FIXME("returning INVALID_HANDLE_VALUE for %d\n", fd);
206 return get_ioinfo(fd)->handle;
207 }
208
209 /* INTERNAL: free a file entry fd */
210 static void free_fd(int fd)
211 {
212 HANDLE old_handle;
213 ioinfo *fdinfo;
214
215 LOCK_FILES();
216 fdinfo = get_ioinfo(fd);
217 old_handle = fdinfo->handle;
218 if(fdinfo != &__badioinfo)
219 {
220 fdinfo->handle = INVALID_HANDLE_VALUE;
221 fdinfo->wxflag = 0;
222 }
223 TRACE(":fd (%d) freed\n",fd);
224 if (fd < 3) /* don't use 0,1,2 for user files */
225 {
226 switch (fd)
227 {
228 case 0:
229 if (GetStdHandle(STD_INPUT_HANDLE) == old_handle) SetStdHandle(STD_INPUT_HANDLE, 0);
230 break;
231 case 1:
232 if (GetStdHandle(STD_OUTPUT_HANDLE) == old_handle) SetStdHandle(STD_OUTPUT_HANDLE, 0);
233 break;
234 case 2:
235 if (GetStdHandle(STD_ERROR_HANDLE) == old_handle) SetStdHandle(STD_ERROR_HANDLE, 0);
236 break;
237 }
238 }
239 else
240 {
241 if (fd == fdend - 1)
242 fdend--;
243 if (fd < fdstart)
244 fdstart = fd;
245 }
246 UNLOCK_FILES();
247 }
248
249 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */
250 /* caller must hold the files lock */
251 static int alloc_fd_from(HANDLE hand, int flag, int fd)
252 {
253 ioinfo *fdinfo;
254
255 if (fd >= MAX_FILES)
256 {
257 WARN(":files exhausted!\n");
258 *_errno() = ENFILE;
259 return -1;
260 }
261
262 fdinfo = get_ioinfo(fd);
263 if(fdinfo == &__badioinfo) {
264 int i;
265
266 __pioinfo[fd/FD_BLOCK_SIZE] = calloc(FD_BLOCK_SIZE, sizeof(ioinfo));
267 if(!__pioinfo[fd/FD_BLOCK_SIZE]) {
268 WARN(":out of memory!\n");
269 *_errno() = ENOMEM;
270 return -1;
271 }
272
273 for(i=0; i<FD_BLOCK_SIZE; i++)
274 __pioinfo[fd/FD_BLOCK_SIZE][i].handle = INVALID_HANDLE_VALUE;
275
276 fdinfo = get_ioinfo(fd);
277 }
278
279 fdinfo->handle = hand;
280 fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT));
281
282 /* locate next free slot */
283 if (fd == fdstart && fd == fdend)
284 fdstart = fdend + 1;
285 else
286 while (fdstart < fdend &&
287 get_ioinfo(fdstart)->handle != INVALID_HANDLE_VALUE)
288 fdstart++;
289 /* update last fd in use */
290 if (fd >= fdend)
291 fdend = fd + 1;
292 TRACE("fdstart is %d, fdend is %d\n", fdstart, fdend);
293
294 switch (fd)
295 {
296 case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
297 case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
298 case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
299 }
300
301 return fd;
302 }
303
304 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
305 /*static*/ int alloc_fd(HANDLE hand, int flag)
306 {
307 int ret;
308
309 LOCK_FILES();
310 TRACE(":handle (%p) allocating fd (%d)\n",hand,fdstart);
311 ret = alloc_fd_from(hand, flag, fdstart);
312 UNLOCK_FILES();
313 return ret;
314 }
315
316 /* INTERNAL: Allocate a FILE* for an fd slot */
317 /* caller must hold the files lock */
318 static FILE* alloc_fp(void)
319 {
320 unsigned int i;
321 FILE *file;
322
323 for (i = 3; i < (unsigned int)max_streams; i++)
324 {
325 file = get_file(i);
326 if (!file)
327 return NULL;
328
329 if (file->_flag == 0)
330 {
331 if (i == stream_idx) stream_idx++;
332 return file;
333 }
334 }
335
336 return NULL;
337 }
338
339 /* INTERNAL: initialize a FILE* from an open fd */
340 static int init_fp(FILE* file, int fd, unsigned stream_flags)
341 {
342 TRACE(":fd (%d) allocating FILE*\n",fd);
343 if (!is_valid_fd(fd))
344 {
345 WARN(":invalid fd %d\n",fd);
346 *__doserrno() = 0;
347 *_errno() = EBADF;
348 return -1;
349 }
350 memset(file, 0, sizeof(*file));
351 file->_file = fd;
352 file->_flag = stream_flags;
353
354 if(file<_iob || file>=_iob+_IOB_ENTRIES)
355 InitializeCriticalSection(&((file_crit*)file)->crit);
356
357 TRACE(":got FILE* (%p)\n",file);
358 return 0;
359 }
360
361 /* INTERNAL: Create an inheritance data block (for spawned process)
362 * The inheritance block is made of:
363 * 00 int nb of file descriptor (NBFD)
364 * 04 char file flags (wxflag): repeated for each fd
365 * 4+NBFD HANDLE file handle: repeated for each fd
366 */
367 unsigned create_io_inherit_block(WORD *size, BYTE **block)
368 {
369 int fd;
370 char* wxflag_ptr;
371 HANDLE* handle_ptr;
372 ioinfo* fdinfo;
373
374 *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * fdend;
375 *block = calloc(*size, 1);
376 if (!*block)
377 {
378 *size = 0;
379 return FALSE;
380 }
381 wxflag_ptr = (char*)*block + sizeof(unsigned);
382 handle_ptr = (HANDLE*)(wxflag_ptr + fdend * sizeof(char));
383
384 *(unsigned*)*block = fdend;
385 for (fd = 0; fd < fdend; fd++)
386 {
387 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
388 fdinfo = get_ioinfo(fd);
389 if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
390 {
391 *wxflag_ptr = fdinfo->wxflag;
392 *handle_ptr = fdinfo->handle;
393 }
394 else
395 {
396 *wxflag_ptr = 0;
397 *handle_ptr = INVALID_HANDLE_VALUE;
398 }
399 wxflag_ptr++; handle_ptr++;
400 }
401 return TRUE;
402 }
403
404 /* INTERNAL: Set up all file descriptors,
405 * as well as default streams (stdin, stderr and stdout)
406 */
407 void msvcrt_init_io(void)
408 {
409 STARTUPINFOA si;
410 unsigned int i;
411 ioinfo *fdinfo;
412
413 InitializeCriticalSection(&file_cs);
414 file_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": file_cs");
415 GetStartupInfoA(&si);
416 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
417 {
418 BYTE* wxflag_ptr;
419 HANDLE* handle_ptr;
420 unsigned int count;
421
422 count = *(unsigned*)si.lpReserved2;
423 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
424 handle_ptr = (HANDLE*)(wxflag_ptr + count);
425
426 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
427 count = min(count, MAX_FILES);
428 for (i = 0; i < count; i++)
429 {
430 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
431 alloc_fd_from(*handle_ptr, *wxflag_ptr, i);
432
433 wxflag_ptr++; handle_ptr++;
434 }
435 fdend = max( 3, count );
436 for (fdstart = 3; fdstart < fdend; fdstart++)
437 if (get_ioinfo(fdstart)->handle == INVALID_HANDLE_VALUE) break;
438 }
439
440 if(!__pioinfo[0])
441 alloc_fd_from(INVALID_HANDLE_VALUE, 0, 3);
442
443 fdinfo = get_ioinfo(0);
444 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
445 {
446 HANDLE std = GetStdHandle(STD_INPUT_HANDLE);
447 #ifndef __REACTOS__
448 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
449 GetCurrentProcess(), &fdinfo->handle,
450 0, TRUE, DUPLICATE_SAME_ACCESS))
451 #else
452 fdinfo->handle = std;
453 #endif
454 fdinfo->wxflag = WX_OPEN | WX_TEXT;
455 }
456
457 fdinfo = get_ioinfo(1);
458 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
459 {
460 HANDLE std = GetStdHandle(STD_OUTPUT_HANDLE);
461 #ifndef __REACTOS__
462 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
463 GetCurrentProcess(), &fdinfo->handle,
464 0, TRUE, DUPLICATE_SAME_ACCESS))
465 #else
466 fdinfo->handle = std;
467 #endif
468 fdinfo->wxflag = WX_OPEN | WX_TEXT;
469 }
470
471 fdinfo = get_ioinfo(2);
472 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE)
473 {
474 HANDLE std = GetStdHandle(STD_ERROR_HANDLE);
475 #ifndef __REACTOS__
476 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
477 GetCurrentProcess(), &fdinfo->handle,
478 0, TRUE, DUPLICATE_SAME_ACCESS))
479 #else
480 fdinfo->handle = std;
481 #endif
482 fdinfo->wxflag = WX_OPEN | WX_TEXT;
483 }
484
485 TRACE(":handles (%p)(%p)(%p)\n", get_ioinfo(0)->handle,
486 get_ioinfo(1)->handle, get_ioinfo(2)->handle);
487
488 memset(_iob,0,3*sizeof(FILE));
489 for (i = 0; i < 3; i++)
490 {
491 /* FILE structs for stdin/out/err are static and never deleted */
492 _iob[i]._file = i;
493 _iob[i]._tmpfname = NULL;
494 _iob[i]._flag = (i == 0) ? _IOREAD : _IOWRT;
495 }
496 stream_idx = 3;
497 }
498
499 /* INTERNAL: Flush stdio file buffer */
500 static int flush_buffer(FILE* file)
501 {
502 if(file->_bufsiz) {
503 int cnt=file->_ptr-file->_base;
504 if(cnt>0 && _write(file->_file, file->_base, cnt) != cnt) {
505 file->_flag |= _IOERR;
506 return EOF;
507 }
508 file->_ptr=file->_base;
509 file->_cnt=file->_bufsiz;
510 }
511 return 0;
512 }
513
514 /* INTERNAL: Allocate stdio file buffer */
515 /*static*/ void alloc_buffer(FILE* file)
516 {
517 file->_base = calloc(BUFSIZ,1);
518 if(file->_base) {
519 file->_bufsiz = BUFSIZ;
520 file->_flag |= _IOMYBUF;
521 } else {
522 file->_base = (char*)(&file->_charbuf);
523 /* put here 2 ??? */
524 file->_bufsiz = sizeof(file->_charbuf);
525 }
526 file->_ptr = file->_base;
527 file->_cnt = 0;
528 }
529
530 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
531 static int int_to_base32(int num, char *str)
532 {
533 char *p;
534 int n = num;
535 int digits = 0;
536
537 while (n != 0)
538 {
539 n >>= 5;
540 digits++;
541 }
542 p = str + digits;
543 *p = 0;
544 while (--p >= str)
545 {
546 *p = (num & 31) + '0';
547 if (*p > '9')
548 *p += ('a' - '0' - 10);
549 num >>= 5;
550 }
551
552 return digits;
553 }
554
555 /* INTERNAL: wide character version of int_to_base32 */
556 static int int_to_base32_w(int num, wchar_t *str)
557 {
558 wchar_t *p;
559 int n = num;
560 int digits = 0;
561
562 while (n != 0)
563 {
564 n >>= 5;
565 digits++;
566 }
567 p = str + digits;
568 *p = 0;
569 while (--p >= str)
570 {
571 *p = (num & 31) + '0';
572 if (*p > '9')
573 *p += ('a' - '0' - 10);
574 num >>= 5;
575 }
576
577 return digits;
578 }
579
580 /* INTERNAL: Create a wide string from an ascii string */
581 wchar_t *msvcrt_wstrdupa(const char *str)
582 {
583 const unsigned int len = strlen(str) + 1 ;
584 wchar_t *wstr = malloc(len* sizeof (wchar_t));
585 if (!wstr)
586 return NULL;
587 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,str,len,wstr,len);
588 return wstr;
589 }
590
591 /*********************************************************************
592 * __iob_func(MSVCRT.@)
593 */
594 FILE * CDECL __iob_func(void)
595 {
596 return &_iob[0];
597 }
598
599 /*********************************************************************
600 * _access (MSVCRT.@)
601 */
602 int CDECL _access(const char *filename, int mode)
603 {
604 DWORD attr = GetFileAttributesA(filename);
605
606 TRACE("(%s,%d) %d\n",filename,mode,attr);
607
608 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
609 {
610 _dosmaperr(GetLastError());
611 return -1;
612 }
613 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & W_OK))
614 {
615 _set_errno(ERROR_ACCESS_DENIED);
616 return -1;
617 }
618 return 0;
619 }
620
621 /*********************************************************************
622 * _access_s (MSVCRT.@)
623 */
624 int CDECL _access_s(const char *filename, int mode)
625 {
626 if (!MSVCRT_CHECK_PMT(filename != NULL) ||
627 !MSVCRT_CHECK_PMT((mode & ~(R_OK | W_OK)) == 0))
628 {
629 _set_errno(EINVAL);
630 return -1;
631 }
632
633 return _access(filename, mode);
634 }
635
636 /*********************************************************************
637 * _waccess (MSVCRT.@)
638 */
639 int CDECL _waccess(const wchar_t *filename, int mode)
640 {
641 DWORD attr = GetFileAttributesW(filename);
642
643 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
644
645 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
646 {
647 _dosmaperr(GetLastError());
648 return -1;
649 }
650 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & W_OK))
651 {
652 _set_errno(ERROR_ACCESS_DENIED);
653 return -1;
654 }
655 return 0;
656 }
657
658 /*********************************************************************
659 * _waccess_s (MSVCRT.@)
660 */
661 int CDECL _waccess_s(const wchar_t *filename, int mode)
662 {
663 if (!MSVCRT_CHECK_PMT(filename != NULL) ||
664 !MSVCRT_CHECK_PMT((mode & ~(R_OK | W_OK)) == 0))
665 {
666 *_errno() = EINVAL;
667 return -1;
668 }
669
670 return _waccess(filename, mode);
671 }
672
673 /*********************************************************************
674 * _chmod (MSVCRT.@)
675 */
676 int CDECL _chmod(const char *path, int flags)
677 {
678 DWORD oldFlags = GetFileAttributesA(path);
679
680 if (oldFlags != INVALID_FILE_ATTRIBUTES)
681 {
682 DWORD newFlags = (flags & _S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
683 oldFlags | FILE_ATTRIBUTE_READONLY;
684
685 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
686 return 0;
687 }
688 _dosmaperr(GetLastError());
689 return -1;
690 }
691
692 /*********************************************************************
693 * _wchmod (MSVCRT.@)
694 */
695 int CDECL _wchmod(const wchar_t *path, int flags)
696 {
697 DWORD oldFlags = GetFileAttributesW(path);
698
699 if (oldFlags != INVALID_FILE_ATTRIBUTES)
700 {
701 DWORD newFlags = (flags & _S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
702 oldFlags | FILE_ATTRIBUTE_READONLY;
703
704 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
705 return 0;
706 }
707 _dosmaperr(GetLastError());
708 return -1;
709 }
710
711 /*********************************************************************
712 * _unlink (MSVCRT.@)
713 */
714 int CDECL _unlink(const char *path)
715 {
716 TRACE("%s\n",debugstr_a(path));
717 if(DeleteFileA(path))
718 return 0;
719 TRACE("failed (%d)\n",GetLastError());
720 _dosmaperr(GetLastError());
721 return -1;
722 }
723
724 /*********************************************************************
725 * _wunlink (MSVCRT.@)
726 */
727 int CDECL _wunlink(const wchar_t *path)
728 {
729 TRACE("(%s)\n",debugstr_w(path));
730 if(DeleteFileW(path))
731 return 0;
732 TRACE("failed (%d)\n",GetLastError());
733 _dosmaperr(GetLastError());
734 return -1;
735 }
736
737 /* _flushall calls fflush which calls _flushall */
738 int CDECL fflush(FILE* file);
739
740 /* INTERNAL: Flush all stream buffer */
741 static int flush_all_buffers(int mask)
742 {
743 int i, num_flushed = 0;
744 FILE *file;
745
746 LOCK_FILES();
747 for (i = 3; i < stream_idx; i++) {
748 file = get_file(i);
749
750 if (file->_flag)
751 {
752 if(file->_flag & mask) {
753 fflush(file);
754 num_flushed++;
755 }
756 }
757 }
758 UNLOCK_FILES();
759
760 TRACE(":flushed (%d) handles\n",num_flushed);
761 return num_flushed;
762 }
763
764 /*********************************************************************
765 * _flushall (MSVCRT.@)
766 */
767 int CDECL _flushall(void)
768 {
769 return flush_all_buffers(_IOWRT | _IOREAD);
770 }
771
772 /*********************************************************************
773 * fflush (MSVCRT.@)
774 */
775 int CDECL fflush(FILE* file)
776 {
777 if(!file) {
778 flush_all_buffers(_IOWRT);
779 } else if(file->_flag & _IOWRT) {
780 int res;
781
782 _lock_file(file);
783 res = flush_buffer(file);
784 /* FIXME
785 if(!res && (file->_flag & _IOCOMMIT))
786 res = _commit(file->_file) ? EOF : 0;
787 */
788 _unlock_file(file);
789
790 return res;
791 } else if(file->_flag & _IOREAD) {
792 _lock_file(file);
793 file->_cnt = 0;
794 file->_ptr = file->_base;
795 _unlock_file(file);
796
797 return 0;
798 }
799 return 0;
800 }
801
802 /*********************************************************************
803 * _close (MSVCRT.@)
804 */
805 int CDECL _close(int fd)
806 {
807 HANDLE hand;
808 int ret;
809
810 LOCK_FILES();
811 hand = fdtoh(fd);
812 TRACE(":fd (%d) handle (%p)\n",fd,hand);
813 if (hand == INVALID_HANDLE_VALUE)
814 ret = -1;
815 else if (!CloseHandle(hand))
816 {
817 WARN(":failed-last error (%d)\n",GetLastError());
818 _dosmaperr(GetLastError());
819 ret = -1;
820 }
821 else
822 {
823 free_fd(fd);
824 ret = 0;
825 }
826 UNLOCK_FILES();
827 TRACE(":ok\n");
828 return ret;
829 }
830
831 /*********************************************************************
832 * _commit (MSVCRT.@)
833 */
834 int CDECL _commit(int fd)
835 {
836 HANDLE hand = fdtoh(fd);
837
838 TRACE(":fd (%d) handle (%p)\n",fd,hand);
839 if (hand == INVALID_HANDLE_VALUE)
840 return -1;
841
842 if (!FlushFileBuffers(hand))
843 {
844 if (GetLastError() == ERROR_INVALID_HANDLE)
845 {
846 /* FlushFileBuffers fails for console handles
847 * so we ignore this error.
848 */
849 return 0;
850 }
851 TRACE(":failed-last error (%d)\n",GetLastError());
852 _dosmaperr(GetLastError());
853 return -1;
854 }
855 TRACE(":ok\n");
856 return 0;
857 }
858
859 /*********************************************************************
860 * _dup2 (MSVCRT.@)
861 * NOTES
862 * MSDN isn't clear on this point, but the remarks for _pipe
863 * indicate file descriptors duplicated with _dup and _dup2 are always
864 * inheritable.
865 */
866 int CDECL _dup2(int od, int nd)
867 {
868 int ret;
869
870 TRACE("(od=%d, nd=%d)\n", od, nd);
871 LOCK_FILES();
872 if (nd < MAX_FILES && nd >= 0 && is_valid_fd(od))
873 {
874 HANDLE handle;
875
876 if (DuplicateHandle(GetCurrentProcess(), get_ioinfo(od)->handle,
877 GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
878 {
879 int wxflag = get_ioinfo(od)->wxflag & ~_O_NOINHERIT;
880
881 if (is_valid_fd(nd))
882 _close(nd);
883 ret = alloc_fd_from(handle, wxflag, nd);
884 if (ret == -1)
885 {
886 CloseHandle(handle);
887 *_errno() = EMFILE;
888 }
889 else
890 {
891 /* _dup2 returns 0, not nd, on success */
892 ret = 0;
893 }
894 }
895 else
896 {
897 ret = -1;
898 _dosmaperr(GetLastError());
899 }
900 }
901 else
902 {
903 *_errno() = EBADF;
904 ret = -1;
905 }
906 UNLOCK_FILES();
907 return ret;
908 }
909
910 /*********************************************************************
911 * _dup (MSVCRT.@)
912 */
913 int CDECL _dup(int od)
914 {
915 int fd, ret;
916
917 LOCK_FILES();
918 fd = fdstart;
919 if (_dup2(od, fd) == 0)
920 ret = fd;
921 else
922 ret = -1;
923 UNLOCK_FILES();
924 return ret;
925 }
926
927 /*********************************************************************
928 * _eof (MSVCRT.@)
929 */
930 int CDECL _eof(int fd)
931 {
932 DWORD curpos,endpos;
933 LONG hcurpos,hendpos;
934 HANDLE hand = fdtoh(fd);
935
936 TRACE(":fd (%d) handle (%p)\n",fd,hand);
937
938 if (hand == INVALID_HANDLE_VALUE)
939 return -1;
940
941 if (get_ioinfo(fd)->wxflag & WX_ATEOF) return TRUE;
942
943 /* Otherwise we do it the hard way */
944 hcurpos = hendpos = 0;
945 curpos = SetFilePointer(hand, 0, &hcurpos, FILE_CURRENT);
946 endpos = SetFilePointer(hand, 0, &hendpos, FILE_END);
947
948 if (curpos == endpos && hcurpos == hendpos)
949 {
950 /* FIXME: shouldn't WX_ATEOF be set here? */
951 return TRUE;
952 }
953
954 SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN);
955 return FALSE;
956 }
957
958 /*********************************************************************
959 * _fcloseall (MSVCRT.@)
960 */
961 int CDECL _fcloseall(void)
962 {
963 int num_closed = 0, i;
964 FILE *file;
965
966 LOCK_FILES();
967 for (i = 3; i < stream_idx; i++) {
968 file = get_file(i);
969
970 if (file->_flag && !fclose(file))
971 num_closed++;
972 }
973 UNLOCK_FILES();
974
975 TRACE(":closed (%d) handles\n",num_closed);
976 return num_closed;
977 }
978
979 /* free everything on process exit */
980 void msvcrt_free_io(void)
981 {
982 int i;
983
984 _fcloseall();
985 /* The Win32 _fcloseall() function explicitly doesn't close stdin,
986 * stdout, and stderr (unlike GNU), so we need to fclose() them here
987 * or they won't get flushed.
988 */
989 fclose(&_iob[0]);
990 fclose(&_iob[1]);
991 fclose(&_iob[2]);
992
993 for(i=0; i<sizeof(__pioinfo)/sizeof(__pioinfo[0]); i++)
994 free(__pioinfo[i]);
995
996 for(i=0; i<sizeof(fstream)/sizeof(fstream[0]); i++)
997 free(fstream[i]);
998
999 file_cs.DebugInfo->Spare[0] = 0;
1000 DeleteCriticalSection(&file_cs);
1001 }
1002
1003 /*********************************************************************
1004 * _lseeki64 (MSVCRT.@)
1005 */
1006 __int64 CDECL _lseeki64(int fd, __int64 offset, int whence)
1007 {
1008 HANDLE hand = fdtoh(fd);
1009 LARGE_INTEGER ofs;
1010
1011 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1012 if (hand == INVALID_HANDLE_VALUE)
1013 return -1;
1014
1015 if (whence < 0 || whence > 2)
1016 {
1017 *_errno() = EINVAL;
1018 return -1;
1019 }
1020
1021 TRACE(":fd (%d) to %s pos %s\n",
1022 fd,wine_dbgstr_longlong(offset),
1023 (whence==SEEK_SET)?"SEEK_SET":
1024 (whence==SEEK_CUR)?"SEEK_CUR":
1025 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
1026
1027 /* The MoleBox protection scheme expects msvcrt to use SetFilePointer only,
1028 * so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */
1029 ofs.QuadPart = offset;
1030 if ((ofs.u.LowPart = SetFilePointer(hand, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER ||
1031 GetLastError() == ERROR_SUCCESS)
1032 {
1033 get_ioinfo(fd)->wxflag &= ~(WX_ATEOF|WX_READEOF);
1034 /* FIXME: What if we seek _to_ EOF - is EOF set? */
1035
1036 return ofs.QuadPart;
1037 }
1038 TRACE(":error-last error (%d)\n",GetLastError());
1039 _dosmaperr(GetLastError());
1040 return -1;
1041 }
1042
1043 /*********************************************************************
1044 * _lseek (MSVCRT.@)
1045 */
1046 LONG CDECL _lseek(int fd, LONG offset, int whence)
1047 {
1048 return (LONG)_lseeki64(fd, offset, whence);
1049 }
1050
1051 /*********************************************************************
1052 * _lock_file (MSVCRT.@)
1053 */
1054 void CDECL _lock_file(FILE *file)
1055 {
1056 if(file>=_iob && file<_iob+_IOB_ENTRIES)
1057 _lock(_STREAM_LOCKS+(file-_iob));
1058 /* ReactOS: string streams dont need to be locked */
1059 else if(!(file->_flag & _IOSTRG))
1060 EnterCriticalSection(&((file_crit*)file)->crit);
1061 }
1062
1063 /*********************************************************************
1064 * _unlock_file (MSVCRT.@)
1065 */
1066 void CDECL _unlock_file(FILE *file)
1067 {
1068 if(file>=_iob && file<_iob+_IOB_ENTRIES)
1069 _unlock(_STREAM_LOCKS+(file-_iob));
1070 /* ReactOS: string streams dont need to be locked */
1071 else if(!(file->_flag & _IOSTRG))
1072 LeaveCriticalSection(&((file_crit*)file)->crit);
1073
1074 }
1075
1076 /*********************************************************************
1077 * _locking (MSVCRT.@)
1078 *
1079 * This is untested; the underlying LockFile doesn't work yet.
1080 */
1081 int CDECL _locking(int fd, int mode, LONG nbytes)
1082 {
1083 BOOL ret;
1084 DWORD cur_locn;
1085 HANDLE hand = fdtoh(fd);
1086
1087 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1088 if (hand == INVALID_HANDLE_VALUE)
1089 return -1;
1090
1091 if (mode < 0 || mode > 4)
1092 {
1093 *_errno() = EINVAL;
1094 return -1;
1095 }
1096
1097 TRACE(":fd (%d) by 0x%08x mode %s\n",
1098 fd,nbytes,(mode==_LK_UNLCK)?"_LK_UNLCK":
1099 (mode==_LK_LOCK)?"_LK_LOCK":
1100 (mode==_LK_NBLCK)?"_LK_NBLCK":
1101 (mode==_LK_RLCK)?"_LK_RLCK":
1102 (mode==_LK_NBRLCK)?"_LK_NBRLCK":
1103 "UNKNOWN");
1104
1105 if ((cur_locn = SetFilePointer(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
1106 {
1107 FIXME ("Seek failed\n");
1108 *_errno() = EINVAL; /* FIXME */
1109 return -1;
1110 }
1111 if (mode == _LK_LOCK || mode == _LK_RLCK)
1112 {
1113 int nretry = 10;
1114 ret = 1; /* just to satisfy gcc */
1115 while (nretry--)
1116 {
1117 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1118 if (ret) break;
1119 Sleep(1);
1120 }
1121 }
1122 else if (mode == _LK_UNLCK)
1123 ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L);
1124 else
1125 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
1126 /* FIXME - what about error settings? */
1127 return ret ? 0 : -1;
1128 }
1129
1130 /*********************************************************************
1131 * _fseeki64 (MSVCRT.@)
1132 */
1133 int CDECL _fseeki64(FILE* file, __int64 offset, int whence)
1134 {
1135 int ret;
1136
1137 _lock_file(file);
1138 /* Flush output if needed */
1139 if(file->_flag & _IOWRT)
1140 flush_buffer(file);
1141
1142 if(whence == SEEK_CUR && file->_flag & _IOREAD ) {
1143 offset -= file->_cnt;
1144 if (get_ioinfo(file->_file)->wxflag & WX_TEXT) {
1145 /* Black magic correction for CR removal */
1146 int i;
1147 for (i=0; i<file->_cnt; i++) {
1148 if (file->_ptr[i] == '\n')
1149 offset--;
1150 }
1151 /* Black magic when reading CR at buffer boundary*/
1152 if(get_ioinfo(file->_file)->wxflag & WX_READCR)
1153 offset--;
1154 }
1155 }
1156 /* Discard buffered input */
1157 file->_cnt = 0;
1158 file->_ptr = file->_base;
1159 /* Reset direction of i/o */
1160 if(file->_flag & _IORW) {
1161 file->_flag &= ~(_IOREAD|_IOWRT);
1162 }
1163 /* Clear end of file flag */
1164 file->_flag &= ~_IOEOF;
1165 ret = (_lseeki64(file->_file,offset,whence) == -1)?-1:0;
1166
1167 _unlock_file(file);
1168 return ret;
1169 }
1170
1171 /*********************************************************************
1172 * fseek (MSVCRT.@)
1173 */
1174 int CDECL fseek(FILE* file, long offset, int whence)
1175 {
1176 return _fseeki64( file, offset, whence );
1177 }
1178
1179 /*********************************************************************
1180 * _chsize (MSVCRT.@)
1181 */
1182 int CDECL _chsize(int fd, long size)
1183 {
1184 LONG cur, pos;
1185 HANDLE handle;
1186 BOOL ret = FALSE;
1187
1188 TRACE("(fd=%d, size=%d)\n", fd, size);
1189
1190 LOCK_FILES();
1191
1192 handle = fdtoh(fd);
1193 if (handle != INVALID_HANDLE_VALUE)
1194 {
1195 /* save the current file pointer */
1196 cur = _lseek(fd, 0, SEEK_CUR);
1197 if (cur >= 0)
1198 {
1199 pos = _lseek(fd, size, SEEK_SET);
1200 if (pos >= 0)
1201 {
1202 ret = SetEndOfFile(handle);
1203 if (!ret) _dosmaperr(GetLastError());
1204 }
1205
1206 /* restore the file pointer */
1207 _lseek(fd, cur, SEEK_SET);
1208 }
1209 }
1210
1211 UNLOCK_FILES();
1212 return ret ? 0 : -1;
1213 }
1214
1215 /*********************************************************************
1216 * clearerr (MSVCRT.@)
1217 */
1218 void CDECL clearerr(FILE* file)
1219 {
1220 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1221
1222 _lock_file(file);
1223 file->_flag &= ~(_IOERR | _IOEOF);
1224 _unlock_file(file);
1225 }
1226
1227 /*********************************************************************
1228 * rewind (MSVCRT.@)
1229 */
1230 void CDECL rewind(FILE* file)
1231 {
1232 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1233
1234 _lock_file(file);
1235 fseek(file, 0L, SEEK_SET);
1236 clearerr(file);
1237 _unlock_file(file);
1238 }
1239
1240 static int get_flags(const wchar_t* mode, int *open_flags, int* stream_flags)
1241 {
1242 int plus = strchrW(mode, '+') != NULL;
1243
1244 switch(*mode++)
1245 {
1246 case 'R': case 'r':
1247 *open_flags = plus ? _O_RDWR : _O_RDONLY;
1248 *stream_flags = plus ? _IORW : _IOREAD;
1249 break;
1250 case 'W': case 'w':
1251 *open_flags = _O_CREAT | _O_TRUNC | (plus ? _O_RDWR : _O_WRONLY);
1252 *stream_flags = plus ? _IORW : _IOWRT;
1253 break;
1254 case 'A': case 'a':
1255 *open_flags = _O_CREAT | _O_APPEND | (plus ? _O_RDWR : _O_WRONLY);
1256 *stream_flags = plus ? _IORW : _IOWRT;
1257 break;
1258 default:
1259 _invalid_parameter(NULL, NULL, NULL, 0, 0);
1260 *_errno() = EINVAL;
1261 return -1;
1262 }
1263
1264 while (*mode)
1265 switch (*mode++)
1266 {
1267 case 'B': case 'b':
1268 *open_flags |= _O_BINARY;
1269 *open_flags &= ~_O_TEXT;
1270 break;
1271 case 't':
1272 *open_flags |= _O_TEXT;
1273 *open_flags &= ~_O_BINARY;
1274 break;
1275 case '+':
1276 case ' ':
1277 break;
1278 default:
1279 FIXME(":unknown flag %c not supported\n",mode[-1]);
1280 }
1281 return 0;
1282 }
1283
1284 /*********************************************************************
1285 * _fdopen (MSVCRT.@)
1286 */
1287 FILE* CDECL _fdopen(int fd, const char *mode)
1288 {
1289 FILE *ret;
1290 wchar_t *modeW = NULL;
1291
1292 if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
1293
1294 ret = _wfdopen(fd, modeW);
1295
1296 free(modeW);
1297 return ret;
1298 }
1299
1300 /*********************************************************************
1301 * _wfdopen (MSVCRT.@)
1302 */
1303 FILE* CDECL _wfdopen(int fd, const wchar_t *mode)
1304 {
1305 int open_flags, stream_flags;
1306 FILE* file;
1307
1308 if (get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
1309
1310 LOCK_FILES();
1311 if (!(file = alloc_fp()))
1312 file = NULL;
1313 else if (init_fp(file, fd, stream_flags) == -1)
1314 {
1315 file->_flag = 0;
1316 file = NULL;
1317 }
1318 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
1319 UNLOCK_FILES();
1320
1321 return file;
1322 }
1323
1324 /*********************************************************************
1325 * _filelength (MSVCRT.@)
1326 */
1327 LONG CDECL _filelength(int fd)
1328 {
1329 LONG curPos = _lseek(fd, 0, SEEK_CUR);
1330 if (curPos != -1)
1331 {
1332 LONG endPos = _lseek(fd, 0, SEEK_END);
1333 if (endPos != -1)
1334 {
1335 if (endPos != curPos)
1336 _lseek(fd, curPos, SEEK_SET);
1337 return endPos;
1338 }
1339 }
1340 return -1;
1341 }
1342
1343 /*********************************************************************
1344 * _filelengthi64 (MSVCRT.@)
1345 */
1346 __int64 CDECL _filelengthi64(int fd)
1347 {
1348 __int64 curPos = _lseeki64(fd, 0, SEEK_CUR);
1349 if (curPos != -1)
1350 {
1351 __int64 endPos = _lseeki64(fd, 0, SEEK_END);
1352 if (endPos != -1)
1353 {
1354 if (endPos != curPos)
1355 _lseeki64(fd, curPos, SEEK_SET);
1356 return endPos;
1357 }
1358 }
1359 return -1;
1360 }
1361
1362 /*********************************************************************
1363 * _fileno (MSVCRT.@)
1364 */
1365 int CDECL _fileno(FILE* file)
1366 {
1367 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
1368 return file->_file;
1369 }
1370
1371 /*********************************************************************
1372 * _get_osfhandle (MSVCRT.@)
1373 */
1374 intptr_t CDECL _get_osfhandle(int fd)
1375 {
1376 HANDLE hand = fdtoh(fd);
1377 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1378
1379 return (intptr_t)hand;
1380 }
1381
1382 /*********************************************************************
1383 * _isatty (MSVCRT.@)
1384 */
1385 int CDECL _isatty(int fd)
1386 {
1387 HANDLE hand = fdtoh(fd);
1388
1389 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1390 if (hand == INVALID_HANDLE_VALUE)
1391 return 0;
1392
1393 return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
1394 }
1395
1396 /*********************************************************************
1397 * _mktemp (MSVCRT.@)
1398 */
1399 char * CDECL _mktemp(char *pattern)
1400 {
1401 int numX = 0;
1402 char *retVal = pattern;
1403 int id;
1404 char letter = 'a';
1405
1406 if(!pattern)
1407 return NULL;
1408
1409 while(*pattern)
1410 numX = (*pattern++ == 'X')? numX + 1 : 0;
1411 if (numX < 6)
1412 return NULL;
1413 pattern--;
1414 id = GetCurrentProcessId();
1415 numX = 6;
1416 while(numX--)
1417 {
1418 int tempNum = id / 10;
1419 *pattern-- = id - (tempNum * 10) + '0';
1420 id = tempNum;
1421 }
1422 pattern++;
1423 do
1424 {
1425 *pattern = letter++;
1426 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES)
1427 return retVal;
1428 } while(letter <= 'z');
1429 return NULL;
1430 }
1431
1432 /*********************************************************************
1433 * _wmktemp (MSVCRT.@)
1434 */
1435 wchar_t * CDECL _wmktemp(wchar_t *pattern)
1436 {
1437 int numX = 0;
1438 wchar_t *retVal = pattern;
1439 int id;
1440 wchar_t letter = 'a';
1441
1442 while(*pattern)
1443 numX = (*pattern++ == 'X')? numX + 1 : 0;
1444 if (numX < 5)
1445 return NULL;
1446 pattern--;
1447 id = GetCurrentProcessId();
1448 numX = 6;
1449 while(numX--)
1450 {
1451 int tempNum = id / 10;
1452 *pattern-- = id - (tempNum * 10) + '0';
1453 id = tempNum;
1454 }
1455 pattern++;
1456 do
1457 {
1458 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES &&
1459 GetLastError() == ERROR_FILE_NOT_FOUND)
1460 return retVal;
1461 *pattern = letter++;
1462 } while(letter != '|');
1463 return NULL;
1464 }
1465
1466 /*static*/ unsigned split_oflags(unsigned oflags)
1467 {
1468 int wxflags = 0;
1469 unsigned unsupp; /* until we support everything */
1470
1471 if (oflags & _O_APPEND) wxflags |= WX_APPEND;
1472 if (oflags & _O_BINARY) {/* Nothing to do */}
1473 else if (oflags & _O_TEXT) wxflags |= WX_TEXT;
1474 else if (*__p__fmode() & _O_BINARY) {/* Nothing to do */}
1475 else wxflags |= WX_TEXT; /* default to TEXT*/
1476 if (oflags & _O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1477
1478 if ((unsupp = oflags & ~(
1479 _O_BINARY|_O_TEXT|_O_APPEND|
1480 _O_TRUNC|_O_EXCL|_O_CREAT|
1481 _O_RDWR|_O_WRONLY|_O_TEMPORARY|
1482 _O_NOINHERIT|
1483 _O_SEQUENTIAL|_O_RANDOM|_O_SHORT_LIVED
1484 )))
1485 ERR(":unsupported oflags 0x%04x\n",unsupp);
1486
1487 return wxflags;
1488 }
1489
1490 /*********************************************************************
1491 * _pipe (MSVCRT.@)
1492 */
1493 int CDECL _pipe(int *pfds, unsigned int psize, int textmode)
1494 {
1495 int ret = -1;
1496 SECURITY_ATTRIBUTES sa;
1497 HANDLE readHandle, writeHandle;
1498
1499 if (!pfds)
1500 {
1501 *_errno() = EINVAL;
1502 return -1;
1503 }
1504
1505 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
1506 sa.bInheritHandle = !(textmode & _O_NOINHERIT);
1507 sa.lpSecurityDescriptor = NULL;
1508 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
1509 {
1510 unsigned int wxflags = split_oflags(textmode);
1511 int fd;
1512
1513 LOCK_FILES();
1514 fd = alloc_fd(readHandle, wxflags);
1515 if (fd != -1)
1516 {
1517 pfds[0] = fd;
1518 fd = alloc_fd(writeHandle, wxflags);
1519 if (fd != -1)
1520 {
1521 pfds[1] = fd;
1522 ret = 0;
1523 }
1524 else
1525 {
1526 _close(pfds[0]);
1527 CloseHandle(writeHandle);
1528 *_errno() = EMFILE;
1529 }
1530 }
1531 else
1532 {
1533 CloseHandle(readHandle);
1534 CloseHandle(writeHandle);
1535 *_errno() = EMFILE;
1536 }
1537 UNLOCK_FILES();
1538 }
1539 else
1540 _dosmaperr(GetLastError());
1541
1542 return ret;
1543 }
1544
1545 /*********************************************************************
1546 * _sopen_s (MSVCRT.@)
1547 */
1548 int CDECL _sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode )
1549 {
1550 DWORD access = 0, creation = 0, attrib;
1551 DWORD sharing;
1552 int wxflag;
1553 HANDLE hand;
1554 SECURITY_ATTRIBUTES sa;
1555
1556 TRACE("fd*: %p file: (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1557 fd, path, oflags, shflags, pmode);
1558
1559 if (!fd)
1560 {
1561 MSVCRT_INVALID_PMT("null out fd pointer", EINVAL);
1562 return EINVAL;
1563 }
1564
1565 *fd = -1;
1566 wxflag = split_oflags(oflags);
1567 switch (oflags & (_O_RDONLY | _O_WRONLY | _O_RDWR))
1568 {
1569 case _O_RDONLY: access |= GENERIC_READ; break;
1570 case _O_WRONLY: access |= GENERIC_WRITE; break;
1571 case _O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1572 }
1573
1574 if (oflags & _O_CREAT)
1575 {
1576 if(pmode & ~(_S_IREAD | _S_IWRITE))
1577 FIXME(": pmode 0x%04x ignored\n", pmode);
1578 else
1579 WARN(": pmode 0x%04x ignored\n", pmode);
1580
1581 if (oflags & _O_EXCL)
1582 creation = CREATE_NEW;
1583 else if (oflags & _O_TRUNC)
1584 creation = CREATE_ALWAYS;
1585 else
1586 creation = OPEN_ALWAYS;
1587 }
1588 else /* no _O_CREAT */
1589 {
1590 if (oflags & _O_TRUNC)
1591 creation = TRUNCATE_EXISTING;
1592 else
1593 creation = OPEN_EXISTING;
1594 }
1595
1596 switch( shflags )
1597 {
1598 case _SH_DENYRW:
1599 sharing = 0L;
1600 break;
1601 case _SH_DENYWR:
1602 sharing = FILE_SHARE_READ;
1603 break;
1604 case _SH_DENYRD:
1605 sharing = FILE_SHARE_WRITE;
1606 break;
1607 case _SH_DENYNO:
1608 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1609 break;
1610 default:
1611 ERR( "Unhandled shflags 0x%x\n", shflags );
1612 return EINVAL;
1613 }
1614 attrib = FILE_ATTRIBUTE_NORMAL;
1615
1616 if (oflags & _O_TEMPORARY)
1617 {
1618 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1619 access |= DELETE;
1620 sharing |= FILE_SHARE_DELETE;
1621 }
1622
1623 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1624 sa.lpSecurityDescriptor = NULL;
1625 sa.bInheritHandle = (oflags & _O_NOINHERIT) ? FALSE : TRUE;
1626
1627 hand = CreateFileA(path, access, sharing, &sa, creation, attrib, 0);
1628 if (hand == INVALID_HANDLE_VALUE) {
1629 WARN(":failed-last error (%d)\n", GetLastError());
1630 _dosmaperr(GetLastError());
1631 return *_errno();
1632 }
1633
1634 *fd = alloc_fd(hand, wxflag);
1635
1636 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
1637 return 0;
1638 }
1639
1640 /*********************************************************************
1641 * _sopen (MSVCRT.@)
1642 */
1643 int CDECL _sopen( const char *path, int oflags, int shflags, ... )
1644 {
1645 int pmode;
1646 int fd;
1647
1648 if (oflags & _O_CREAT)
1649 {
1650 va_list ap;
1651
1652 va_start(ap, shflags);
1653 pmode = va_arg(ap, int);
1654 va_end(ap);
1655 }
1656 else
1657 pmode = 0;
1658
1659 _sopen_s(&fd, path, oflags, shflags, pmode);
1660 return fd;
1661 }
1662
1663 /*********************************************************************
1664 * _wsopen_s (MSVCRT.@)
1665 */
1666 int CDECL _wsopen_s( int *fd, const wchar_t* path, int oflags, int shflags, int pmode )
1667 {
1668 DWORD access = 0, creation = 0, attrib;
1669 SECURITY_ATTRIBUTES sa;
1670 DWORD sharing;
1671 int wxflag;
1672 HANDLE hand;
1673
1674 TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1675 fd, debugstr_w(path), oflags, shflags, pmode);
1676
1677 if (!fd)
1678 {
1679 MSVCRT_INVALID_PMT("null out fd pointer", EINVAL);
1680 return EINVAL;
1681 }
1682
1683 *fd = -1;
1684 wxflag = split_oflags(oflags);
1685 switch (oflags & (_O_RDONLY | _O_WRONLY | _O_RDWR))
1686 {
1687 case _O_RDONLY: access |= GENERIC_READ; break;
1688 case _O_WRONLY: access |= GENERIC_WRITE; break;
1689 case _O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1690 }
1691
1692 if (oflags & _O_CREAT)
1693 {
1694 if(pmode & ~(_S_IREAD | _S_IWRITE))
1695 FIXME(": pmode 0x%04x ignored\n", pmode);
1696 else
1697 WARN(": pmode 0x%04x ignored\n", pmode);
1698
1699 if (oflags & _O_EXCL)
1700 creation = CREATE_NEW;
1701 else if (oflags & _O_TRUNC)
1702 creation = CREATE_ALWAYS;
1703 else
1704 creation = OPEN_ALWAYS;
1705 }
1706 else /* no _O_CREAT */
1707 {
1708 if (oflags & _O_TRUNC)
1709 creation = TRUNCATE_EXISTING;
1710 else
1711 creation = OPEN_EXISTING;
1712 }
1713
1714 switch( shflags )
1715 {
1716 case _SH_DENYRW:
1717 sharing = 0L;
1718 break;
1719 case _SH_DENYWR:
1720 sharing = FILE_SHARE_READ;
1721 break;
1722 case _SH_DENYRD:
1723 sharing = FILE_SHARE_WRITE;
1724 break;
1725 case _SH_DENYNO:
1726 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1727 break;
1728 default:
1729 ERR( "Unhandled shflags 0x%x\n", shflags );
1730 return EINVAL;
1731 }
1732 attrib = FILE_ATTRIBUTE_NORMAL;
1733
1734 if (oflags & _O_TEMPORARY)
1735 {
1736 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1737 access |= DELETE;
1738 sharing |= FILE_SHARE_DELETE;
1739 }
1740
1741 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1742 sa.lpSecurityDescriptor = NULL;
1743 sa.bInheritHandle = (oflags & _O_NOINHERIT) ? FALSE : TRUE;
1744
1745 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
1746
1747 if (hand == INVALID_HANDLE_VALUE) {
1748 WARN(":failed-last error (%d)\n",GetLastError());
1749 _dosmaperr(GetLastError());
1750 return *_errno();
1751 }
1752
1753 *fd = alloc_fd(hand, wxflag);
1754
1755 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
1756 return 0;
1757 }
1758
1759 /*********************************************************************
1760 * _wsopen (MSVCRT.@)
1761 */
1762 int CDECL _wsopen( const wchar_t *path, int oflags, int shflags, ... )
1763 {
1764 int pmode;
1765 int fd;
1766
1767 if (oflags & _O_CREAT)
1768 {
1769 va_list ap;
1770
1771 va_start(ap, shflags);
1772 pmode = va_arg(ap, int);
1773 va_end(ap);
1774 }
1775 else
1776 pmode = 0;
1777
1778 _wsopen_s(&fd, path, oflags, shflags, pmode);
1779 return fd;
1780 }
1781
1782 /*********************************************************************
1783 * _open (MSVCRT.@)
1784 */
1785 int CDECL _open( const char *path, int flags, ... )
1786 {
1787 va_list ap;
1788
1789 if (flags & _O_CREAT)
1790 {
1791 int pmode;
1792 va_start(ap, flags);
1793 pmode = va_arg(ap, int);
1794 va_end(ap);
1795 return _sopen( path, flags, _SH_DENYNO, pmode );
1796 }
1797 else
1798 return _sopen( path, flags, _SH_DENYNO);
1799 }
1800
1801 /*********************************************************************
1802 * _wopen (MSVCRT.@)
1803 */
1804 int CDECL _wopen(const wchar_t *path,int flags,...)
1805 {
1806 va_list ap;
1807
1808 if (flags & _O_CREAT)
1809 {
1810 int pmode;
1811 va_start(ap, flags);
1812 pmode = va_arg(ap, int);
1813 va_end(ap);
1814 return _wsopen( path, flags, _SH_DENYNO, pmode );
1815 }
1816 else
1817 return _wsopen( path, flags, _SH_DENYNO);
1818 }
1819
1820 /*********************************************************************
1821 * _creat (MSVCRT.@)
1822 */
1823 int CDECL _creat(const char *path, int flags)
1824 {
1825 int usedFlags = (flags & _O_TEXT)| _O_CREAT| _O_WRONLY| _O_TRUNC;
1826 return _open(path, usedFlags);
1827 }
1828
1829 /*********************************************************************
1830 * _wcreat (MSVCRT.@)
1831 */
1832 int CDECL _wcreat(const wchar_t *path, int flags)
1833 {
1834 int usedFlags = (flags & _O_TEXT)| _O_CREAT| _O_WRONLY| _O_TRUNC;
1835 return _wopen(path, usedFlags);
1836 }
1837
1838 /*********************************************************************
1839 * _open_osfhandle (MSVCRT.@)
1840 */
1841 int CDECL _open_osfhandle(intptr_t handle, int oflags)
1842 {
1843 DWORD flags;
1844 int fd;
1845
1846 /* _O_RDONLY (0) always matches, so set the read flag
1847 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
1848 * file, so set the write flag. It also only sets _O_TEXT if it wants
1849 * text - it never sets _O_BINARY.
1850 */
1851 /* don't let split_oflags() decide the mode if no mode is passed */
1852 if (!(oflags & (_O_BINARY | _O_TEXT)))
1853 oflags |= _O_BINARY;
1854
1855 flags = GetFileType((HANDLE)handle);
1856 if (flags==FILE_TYPE_UNKNOWN && GetLastError()!=NO_ERROR)
1857 {
1858 _dosmaperr(GetLastError());
1859 return -1;
1860 }
1861
1862 if (flags == FILE_TYPE_CHAR)
1863 flags = WX_NOSEEK;
1864 else if (flags == FILE_TYPE_PIPE)
1865 flags = WX_PIPE;
1866 else
1867 flags = 0;
1868 flags |= split_oflags(oflags);
1869
1870 fd = alloc_fd((HANDLE)handle, flags);
1871 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, flags);
1872 return fd;
1873 }
1874
1875 /*********************************************************************
1876 * _rmtmp (MSVCRT.@)
1877 */
1878 int CDECL _rmtmp(void)
1879 {
1880 int num_removed = 0, i;
1881 FILE *file;
1882
1883 LOCK_FILES();
1884 for (i = 3; i < stream_idx; i++) {
1885 file = get_file(i);
1886
1887 if (file->_tmpfname)
1888 {
1889 fclose(file);
1890 num_removed++;
1891 }
1892 }
1893 UNLOCK_FILES();
1894
1895 if (num_removed)
1896 TRACE(":removed (%d) temp files\n",num_removed);
1897 return num_removed;
1898 }
1899
1900 /*********************************************************************
1901 * (internal) read_i
1902 *
1903 * When reading \r as last character in text mode, read() positions
1904 * the file pointer on the \r character while getc() goes on to
1905 * the following \n
1906 */
1907 static int read_i(int fd, void *buf, unsigned int count)
1908 {
1909 DWORD num_read;
1910 char *bufstart = buf;
1911 HANDLE hand = fdtoh(fd);
1912 ioinfo *fdinfo = get_ioinfo(fd);
1913
1914 if (count == 0)
1915 return 0;
1916
1917 if (fdinfo->wxflag & WX_READEOF) {
1918 fdinfo->wxflag |= WX_ATEOF;
1919 TRACE("already at EOF, returning 0\n");
1920 return 0;
1921 }
1922 /* Don't trace small reads, it gets *very* annoying */
1923 if (count > 4)
1924 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
1925 if (hand == INVALID_HANDLE_VALUE)
1926 return -1;
1927
1928 /* Reading single bytes in O_TEXT mode makes things slow
1929 * So read big chunks
1930 */
1931 if (ReadFile(hand, bufstart, count, &num_read, NULL))
1932 {
1933 if (count != 0 && num_read == 0)
1934 {
1935 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
1936 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
1937 }
1938 else if (fdinfo->wxflag & WX_TEXT)
1939 {
1940 DWORD i, j;
1941 if (bufstart[num_read-1] == '\r')
1942 {
1943 if(count == 1)
1944 {
1945 fdinfo->wxflag &= ~WX_READCR;
1946 ReadFile(hand, bufstart, 1, &num_read, NULL);
1947 }
1948 else
1949 {
1950 fdinfo->wxflag |= WX_READCR;
1951 num_read--;
1952 }
1953 }
1954 else
1955 fdinfo->wxflag &= ~WX_READCR;
1956 for (i=0, j=0; i<num_read; i++)
1957 {
1958 /* in text mode, a ctrl-z signals EOF */
1959 if (bufstart[i] == 0x1a)
1960 {
1961 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
1962 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
1963 break;
1964 }
1965 /* in text mode, strip \r if followed by \n.
1966 * BUG: should save state across calls somehow, so CR LF that
1967 * straddles buffer boundary gets recognized properly?
1968 */
1969 if ((bufstart[i] != '\r')
1970 || ((i+1) < num_read && bufstart[i+1] != '\n'))
1971 bufstart[j++] = bufstart[i];
1972 }
1973 num_read = j;
1974 }
1975 }
1976 else
1977 {
1978 if (GetLastError() == ERROR_BROKEN_PIPE)
1979 {
1980 TRACE(":end-of-pipe\n");
1981 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
1982 return 0;
1983 }
1984 else
1985 {
1986 TRACE(":failed-last error (%d)\n",GetLastError());
1987 return -1;
1988 }
1989 }
1990
1991 if (count > 4)
1992 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
1993 return num_read;
1994 }
1995
1996 /*********************************************************************
1997 * _read (MSVCRT.@)
1998 */
1999 int CDECL _read(int fd, void *buf, unsigned int count)
2000 {
2001 int num_read;
2002 num_read = read_i(fd, buf, count);
2003 return num_read;
2004 }
2005
2006 /*********************************************************************
2007 * _setmode (MSVCRT.@)
2008 */
2009 int CDECL _setmode(int fd,int mode)
2010 {
2011 int ret = get_ioinfo(fd)->wxflag & WX_TEXT ? _O_TEXT : _O_BINARY;
2012 if (mode & (~(_O_TEXT|_O_BINARY)))
2013 FIXME("fd (%d) mode (0x%08x) unknown\n",fd,mode);
2014 if ((mode & _O_TEXT) == _O_TEXT)
2015 get_ioinfo(fd)->wxflag |= WX_TEXT;
2016 else
2017 get_ioinfo(fd)->wxflag &= ~WX_TEXT;
2018 return ret;
2019 }
2020
2021 /*********************************************************************
2022 * _tell (MSVCRT.@)
2023 */
2024 long CDECL _tell(int fd)
2025 {
2026 return _lseek(fd, 0, SEEK_CUR);
2027 }
2028
2029 /*********************************************************************
2030 * _telli64 (MSVCRT.@)
2031 */
2032 __int64 CDECL _telli64(int fd)
2033 {
2034 return _lseeki64(fd, 0, SEEK_CUR);
2035 }
2036
2037 /*********************************************************************
2038 * _tempnam (MSVCRT.@)
2039 */
2040 char * CDECL _tempnam(const char *dir, const char *prefix)
2041 {
2042 char tmpbuf[MAX_PATH];
2043 const char *tmp_dir = getenv("TMP");
2044
2045 if (tmp_dir) dir = tmp_dir;
2046
2047 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
2048 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
2049 {
2050 TRACE("got name (%s)\n",tmpbuf);
2051 DeleteFileA(tmpbuf);
2052 return _strdup(tmpbuf);
2053 }
2054 TRACE("failed (%d)\n",GetLastError());
2055 return NULL;
2056 }
2057
2058 /*********************************************************************
2059 * _wtempnam (MSVCRT.@)
2060 */
2061 wchar_t * CDECL _wtempnam(const wchar_t *dir, const wchar_t *prefix)
2062 {
2063 wchar_t tmpbuf[MAX_PATH];
2064
2065 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
2066 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
2067 {
2068 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
2069 DeleteFileW(tmpbuf);
2070 return _wcsdup(tmpbuf);
2071 }
2072 TRACE("failed (%d)\n",GetLastError());
2073 return NULL;
2074 }
2075
2076 /*********************************************************************
2077 * _umask (MSVCRT.@)
2078 */
2079 int CDECL _umask(int umask)
2080 {
2081 int old_umask = umask;
2082 TRACE("(%d)\n",umask);
2083 MSVCRT_umask = umask;
2084 return old_umask;
2085 }
2086
2087 /*********************************************************************
2088 * _write (MSVCRT.@)
2089 */
2090 int CDECL _write(int fd, const void* buf, unsigned int count)
2091 {
2092 DWORD num_written;
2093 HANDLE hand = fdtoh(fd);
2094
2095 /* Don't trace small writes, it gets *very* annoying */
2096 #if 0
2097 if (count > 32)
2098 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
2099 #endif
2100 if (hand == INVALID_HANDLE_VALUE)
2101 {
2102 *_errno() = EBADF;
2103 return -1;
2104 }
2105
2106 /* If appending, go to EOF */
2107 if (get_ioinfo(fd)->wxflag & WX_APPEND)
2108 _lseek(fd, 0, FILE_END);
2109
2110 if (!(get_ioinfo(fd)->wxflag & WX_TEXT))
2111 {
2112 if (WriteFile(hand, buf, count, &num_written, NULL)
2113 && (num_written == count))
2114 return num_written;
2115 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
2116 hand, GetLastError());
2117 *_errno() = ENOSPC;
2118 }
2119 else
2120 {
2121 unsigned int i, j, nr_lf;
2122 char *p = NULL;
2123 const char *q;
2124 const char *s = buf, *buf_start = buf;
2125 /* find number of \n ( without preceding \r ) */
2126 for ( nr_lf=0,i = 0; i <count; i++)
2127 {
2128 if (s[i]== '\n')
2129 {
2130 nr_lf++;
2131 /*if ((i >1) && (s[i-1] == '\r')) nr_lf--; */
2132 }
2133 }
2134 if (nr_lf)
2135 {
2136 if ((q = p = malloc(count + nr_lf)))
2137 {
2138 for (s = buf, i = 0, j = 0; i < count; i++)
2139 {
2140 if (s[i]== '\n')
2141 {
2142 p[j++] = '\r';
2143 /*if ((i >1) && (s[i-1] == '\r'))j--;*/
2144 }
2145 p[j++] = s[i];
2146 }
2147 }
2148 else
2149 {
2150 FIXME("Malloc failed\n");
2151 nr_lf =0;
2152 q = buf;
2153 }
2154 }
2155 else
2156 q = buf;
2157
2158 if ((WriteFile(hand, q, count+nr_lf, &num_written, NULL) == 0 ) || (num_written != count+nr_lf))
2159 {
2160 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
2161 fd, hand, GetLastError(), num_written);
2162 *_errno() = ENOSPC;
2163 if(nr_lf)
2164 free(p);
2165 return s - buf_start;
2166 }
2167 else
2168 {
2169 if(nr_lf)
2170 free(p);
2171 return count;
2172 }
2173 }
2174 return -1;
2175 }
2176
2177 /*********************************************************************
2178 * _putw (MSVCRT.@)
2179 */
2180 int CDECL _putw(int val, FILE* file)
2181 {
2182 int len;
2183
2184 _lock_file(file);
2185 len = _write(file->_file, &val, sizeof(val));
2186 if (len == sizeof(val)) {
2187 _unlock_file(file);
2188 return val;
2189 }
2190
2191 file->_flag |= _IOERR;
2192 _unlock_file(file);
2193 return EOF;
2194 }
2195
2196 /*********************************************************************
2197 * fclose (MSVCRT.@)
2198 */
2199 int CDECL fclose(FILE* file)
2200 {
2201 int r, flag;
2202
2203 _lock_file(file);
2204 flag = file->_flag;
2205 free(file->_tmpfname);
2206 file->_tmpfname = NULL;
2207 /* flush stdio buffers */
2208 if(file->_flag & _IOWRT)
2209 fflush(file);
2210 if(file->_flag & _IOMYBUF)
2211 free(file->_base);
2212
2213 r=_close(file->_file);
2214
2215 file->_flag = 0;
2216 _unlock_file(file);
2217 if(file<_iob || file>=_iob+_IOB_ENTRIES)
2218 DeleteCriticalSection(&((file_crit*)file)->crit);
2219
2220 if(file == get_file(stream_idx-1)) {
2221 while(stream_idx>3 && !file->_flag) {
2222 stream_idx--;
2223 file = get_file(stream_idx-1);
2224 }
2225 }
2226
2227 return ((r == -1) || (flag & _IOERR) ? EOF : 0);
2228 }
2229
2230 /*********************************************************************
2231 * feof (MSVCRT.@)
2232 */
2233 int CDECL feof(FILE* file)
2234 {
2235 int ret;
2236
2237 _lock_file(file);
2238 ret = file->_flag & _IOEOF;
2239 _unlock_file(file);
2240
2241 return ret;
2242 }
2243
2244 /*********************************************************************
2245 * ferror (MSVCRT.@)
2246 */
2247 int CDECL ferror(FILE* file)
2248 {
2249 int ret;
2250
2251 _lock_file(file);
2252 ret = file->_flag & _IOERR;
2253 _unlock_file(file);
2254
2255 return ret;
2256 }
2257
2258 /*********************************************************************
2259 * _filbuf (MSVCRT.@)
2260 */
2261 int CDECL _filbuf(FILE* file)
2262 {
2263 unsigned char c;
2264 _lock_file(file);
2265
2266 if(file->_flag & _IOSTRG) {
2267 _unlock_file(file);
2268 return EOF;
2269 }
2270
2271 /* Allocate buffer if needed */
2272 if(file->_bufsiz == 0 && !(file->_flag & _IONBF))
2273 alloc_buffer(file);
2274
2275 if(!(file->_flag & _IOREAD)) {
2276 if(file->_flag & _IORW)
2277 file->_flag |= _IOREAD;
2278 else {
2279 _unlock_file(file);
2280 return EOF;
2281 }
2282 }
2283
2284 if(file->_flag & _IONBF) {
2285 int r;
2286 if ((r = read_i(file->_file,&c,1)) != 1) {
2287 file->_flag |= (r == 0) ? _IOEOF : _IOERR;
2288 _unlock_file(file);
2289 return EOF;
2290 }
2291
2292 _unlock_file(file);
2293 return c;
2294 } else {
2295 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
2296 if(file->_cnt<=0) {
2297 file->_flag |= (file->_cnt == 0) ? _IOEOF : _IOERR;
2298 file->_cnt = 0;
2299 _unlock_file(file);
2300 return EOF;
2301 }
2302
2303 file->_cnt--;
2304 file->_ptr = file->_base+1;
2305 c = *(unsigned char *)file->_base;
2306 _unlock_file(file);
2307 return c;
2308 }
2309 }
2310
2311 /*********************************************************************
2312 * fgetc (MSVCRT.@)
2313 */
2314 int CDECL fgetc(FILE* file)
2315 {
2316 unsigned char *i;
2317 unsigned int j;
2318
2319 _lock_file(file);
2320 if (file->_cnt>0) {
2321 file->_cnt--;
2322 i = (unsigned char *)file->_ptr++;
2323 j = *i;
2324 } else
2325 j = _filbuf(file);
2326
2327 _unlock_file(file);
2328 return j;
2329 }
2330
2331 /*********************************************************************
2332 * _fgetchar (MSVCRT.@)
2333 */
2334 int CDECL _fgetchar(void)
2335 {
2336 return fgetc(stdin);
2337 }
2338
2339 /*********************************************************************
2340 * fgets (MSVCRT.@)
2341 */
2342 char * CDECL fgets(char *s, int size, FILE* file)
2343 {
2344 int cc = EOF;
2345 char * buf_start = s;
2346
2347 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2348 file,file->_file,s,size);
2349
2350 _lock_file(file);
2351
2352 while ((size >1) && (cc = fgetc(file)) != EOF && cc != '\n')
2353 {
2354 *s++ = (char)cc;
2355 size --;
2356 }
2357 if ((cc == EOF) && (s == buf_start)) /* If nothing read, return 0*/
2358 {
2359 TRACE(":nothing read\n");
2360 _unlock_file(file);
2361 return NULL;
2362 }
2363 if ((cc != EOF) && (size > 1))
2364 *s++ = cc;
2365 *s = '\0';
2366 TRACE(":got %s\n", debugstr_a(buf_start));
2367 _unlock_file(file);
2368 return buf_start;
2369 }
2370
2371 /*********************************************************************
2372 * fgetwc (MSVCRT.@)
2373 *
2374 * In _O_TEXT mode, multibyte characters are read from the file, dropping
2375 * the CR from CR/LF combinations
2376 */
2377 wint_t CDECL fgetwc(FILE* file)
2378 {
2379 int c;
2380
2381 _lock_file(file);
2382 if (!(get_ioinfo(file->_file)->wxflag & WX_TEXT))
2383 {
2384 wchar_t wc;
2385 unsigned int i;
2386 int j;
2387 char *chp, *wcp;
2388 wcp = (char *)&wc;
2389 for(i=0; i<sizeof(wc); i++)
2390 {
2391 if (file->_cnt>0)
2392 {
2393 file->_cnt--;
2394 chp = file->_ptr++;
2395 wcp[i] = *chp;
2396 }
2397 else
2398 {
2399 j = _filbuf(file);
2400 if(file->_cnt<=0)
2401 {
2402 file->_flag |= (file->_cnt == 0) ? _IOEOF : _IOERR;
2403 file->_cnt = 0;
2404
2405 _unlock_file(file);
2406 return WEOF;
2407 }
2408 wcp[i] = j;
2409 }
2410 }
2411
2412 _unlock_file(file);
2413 return wc;
2414 }
2415
2416 c = fgetc(file);
2417 if ((__mb_cur_max > 1) && isleadbyte(c))
2418 {
2419 FIXME("Treat Multibyte characters\n");
2420 }
2421
2422 _unlock_file(file);
2423 if (c == EOF)
2424 return WEOF;
2425 else
2426 return (wint_t)c;
2427 }
2428
2429 /*********************************************************************
2430 * _getw (MSVCRT.@)
2431 */
2432 int CDECL _getw(FILE* file)
2433 {
2434 char *ch;
2435 int i, k;
2436 unsigned int j;
2437 ch = (char *)&i;
2438
2439 _lock_file(file);
2440 for (j=0; j<sizeof(int); j++) {
2441 k = fgetc(file);
2442 if (k == EOF) {
2443 file->_flag |= _IOEOF;
2444 _unlock_file(file);
2445 return EOF;
2446 }
2447 ch[j] = k;
2448 }
2449
2450 _unlock_file(file);
2451 return i;
2452 }
2453
2454 /*********************************************************************
2455 * getwc (MSVCRT.@)
2456 */
2457 wint_t CDECL getwc(FILE* file)
2458 {
2459 return fgetwc(file);
2460 }
2461
2462 /*********************************************************************
2463 * _fgetwchar (MSVCRT.@)
2464 */
2465 wint_t CDECL _fgetwchar(void)
2466 {
2467 return fgetwc(stdin);
2468 }
2469
2470 /*********************************************************************
2471 * getwchar (MSVCRT.@)
2472 */
2473 wint_t CDECL getwchar(void)
2474 {
2475 return _fgetwchar();
2476 }
2477
2478 /*********************************************************************
2479 * fgetws (MSVCRT.@)
2480 */
2481 wchar_t * CDECL fgetws(wchar_t *s, int size, FILE* file)
2482 {
2483 int cc = WEOF;
2484 wchar_t * buf_start = s;
2485
2486 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2487 file,file->_file,s,size);
2488
2489 _lock_file(file);
2490
2491 while ((size >1) && (cc = fgetwc(file)) != WEOF && cc != '\n')
2492 {
2493 *s++ = (char)cc;
2494 size --;
2495 }
2496 if ((cc == WEOF) && (s == buf_start)) /* If nothing read, return 0*/
2497 {
2498 TRACE(":nothing read\n");
2499 _unlock_file(file);
2500 return NULL;
2501 }
2502 if ((cc != WEOF) && (size > 1))
2503 *s++ = cc;
2504 *s = 0;
2505 TRACE(":got %s\n", debugstr_w(buf_start));
2506 _unlock_file(file);
2507 return buf_start;
2508 }
2509
2510 /*********************************************************************
2511 * fwrite (MSVCRT.@)
2512 */
2513 size_t CDECL fwrite(const void *ptr, size_t size, size_t nmemb, FILE* file)
2514 {
2515 size_t wrcnt=size * nmemb;
2516 int written = 0;
2517 if (size == 0)
2518 return 0;
2519
2520 _lock_file(file);
2521 if(file->_cnt) {
2522 int pcnt=((unsigned)file->_cnt>wrcnt)? wrcnt: file->_cnt;
2523 memcpy(file->_ptr, ptr, pcnt);
2524 file->_cnt -= pcnt;
2525 file->_ptr += pcnt;
2526 written = pcnt;
2527 wrcnt -= pcnt;
2528 ptr = (const char*)ptr + pcnt;
2529 } else if(!(file->_flag & _IOWRT)) {
2530 if(file->_flag & _IORW) {
2531 file->_flag |= _IOWRT;
2532 } else {
2533 _unlock_file(file);
2534 return 0;
2535 }
2536 }
2537 if(wrcnt) {
2538 /* Flush buffer */
2539 int res=flush_buffer(file);
2540 if(!res) {
2541 int pwritten = _write(file->_file, ptr, wrcnt);
2542 if (pwritten <= 0)
2543 {
2544 file->_flag |= _IOERR;
2545 pwritten=0;
2546 }
2547 written += pwritten;
2548 }
2549 }
2550
2551 _unlock_file(file);
2552 return written / size;
2553 }
2554
2555 /*********************************************************************
2556 * fputwc (MSVCRT.@)
2557 * FORKED for ReactOS, don't sync with Wine!
2558 * References:
2559 * - http://jira.reactos.org/browse/CORE-6495
2560 * - http://bugs.winehq.org/show_bug.cgi?id=8598
2561 */
2562 wint_t CDECL fputwc(wchar_t c, FILE* stream)
2563 {
2564 /* If this is a real file stream (and not some temporary one for
2565 sprintf-like functions), check whether it is opened in text mode.
2566 In this case, we have to perform an implicit conversion to ANSI. */
2567 if (!(stream->_flag & _IOSTRG) && get_ioinfo(stream->_file)->wxflag & WX_TEXT)
2568 {
2569 /* Convert to multibyte in text mode */
2570 char mbc[MB_LEN_MAX];
2571 int mb_return;
2572
2573 mb_return = wctomb(mbc, c);
2574
2575 if(mb_return == -1)
2576 return WEOF;
2577
2578 /* Output all characters */
2579 if (fwrite(mbc, mb_return, 1, stream) != 1)
2580 return WEOF;
2581 }
2582 else
2583 {
2584 if (fwrite(&c, sizeof(c), 1, stream) != 1)
2585 return WEOF;
2586 }
2587
2588 return c;
2589 }
2590
2591 /*********************************************************************
2592 * _fputwchar (MSVCRT.@)
2593 */
2594 wint_t CDECL _fputwchar(wint_t wc)
2595 {
2596 return fputwc(wc, stdout);
2597 }
2598
2599 /*********************************************************************
2600 * _wfsopen (MSVCRT.@)
2601 */
2602 FILE * CDECL _wfsopen(const wchar_t *path, const wchar_t *mode, int share)
2603 {
2604 FILE* file;
2605 int open_flags, stream_flags, fd;
2606
2607 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
2608
2609 /* map mode string to open() flags. "man fopen" for possibilities. */
2610 if (get_flags(mode, &open_flags, &stream_flags) == -1)
2611 return NULL;
2612
2613 LOCK_FILES();
2614 fd = _wsopen(path, open_flags, share, _S_IREAD | _S_IWRITE);
2615 if (fd < 0)
2616 file = NULL;
2617 else if ((file = alloc_fp()) && init_fp(file, fd, stream_flags)
2618 != -1)
2619 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
2620 else if (file)
2621 {
2622 file->_flag = 0;
2623 file = NULL;
2624 }
2625
2626 TRACE(":got (%p)\n",file);
2627 if (fd >= 0 && !file)
2628 _close(fd);
2629 UNLOCK_FILES();
2630 return file;
2631 }
2632
2633 /*********************************************************************
2634 * _fsopen (MSVCRT.@)
2635 */
2636 FILE * CDECL _fsopen(const char *path, const char *mode, int share)
2637 {
2638 FILE *ret;
2639 wchar_t *pathW = NULL, *modeW = NULL;
2640
2641 if (path && !(pathW = msvcrt_wstrdupa(path))) {
2642 _invalid_parameter(NULL, NULL, NULL, 0, 0);
2643 *_errno() = EINVAL;
2644 return NULL;
2645 }
2646 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
2647 {
2648 free(pathW);
2649 _invalid_parameter(NULL, NULL, NULL, 0, 0);
2650 *_errno() = EINVAL;
2651 return NULL;
2652 }
2653
2654 ret = _wfsopen(pathW, modeW, share);
2655
2656 free(pathW);
2657 free(modeW);
2658 return ret;
2659 }
2660
2661 /*********************************************************************
2662 * fopen (MSVCRT.@)
2663 */
2664 FILE * CDECL fopen(const char *path, const char *mode)
2665 {
2666 return _fsopen( path, mode, _SH_DENYNO );
2667 }
2668
2669 /*********************************************************************
2670 * fopen_s (MSVCRT.@)
2671 */
2672 int CDECL fopen_s(FILE** pFile,
2673 const char *filename, const char *mode)
2674 {
2675 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
2676 !MSVCRT_CHECK_PMT(mode != NULL)) {
2677 *_errno() = EINVAL;
2678 return EINVAL;
2679 }
2680
2681 *pFile = fopen(filename, mode);
2682
2683 if(!*pFile)
2684 return *_errno();
2685 return 0;
2686 }
2687
2688 /*********************************************************************
2689 * _wfopen (MSVCRT.@)
2690 */
2691 FILE * CDECL _wfopen(const wchar_t *path, const wchar_t *mode)
2692 {
2693 return _wfsopen( path, mode, _SH_DENYNO );
2694 }
2695
2696 /*********************************************************************
2697 * _wfopen_s (MSVCRT.@)
2698 */
2699 int CDECL _wfopen_s(FILE** pFile, const wchar_t *filename,
2700 const wchar_t *mode)
2701 {
2702 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
2703 !MSVCRT_CHECK_PMT(mode != NULL)) {
2704 *_errno() = EINVAL;
2705 return EINVAL;
2706 }
2707
2708 *pFile = _wfopen(filename, mode);
2709
2710 if(!*pFile)
2711 return *_errno();
2712 return 0;
2713 }
2714
2715 /* fputc calls _flsbuf which calls fputc */
2716 int CDECL _flsbuf(int c, FILE* file);
2717
2718 /*********************************************************************
2719 * fputc (MSVCRT.@)
2720 */
2721 int CDECL fputc(int c, FILE* file)
2722 {
2723 int res;
2724
2725 _lock_file(file);
2726 if(file->_cnt>0) {
2727 *file->_ptr++=c;
2728 file->_cnt--;
2729 if (c == '\n')
2730 {
2731 res = flush_buffer(file);
2732 _unlock_file(file);
2733 return res ? res : c;
2734 }
2735 else {
2736 _unlock_file(file);
2737 return c & 0xff;
2738 }
2739 } else {
2740 res = _flsbuf(c, file);
2741 _unlock_file(file);
2742 return res;
2743 }
2744 }
2745
2746 /*********************************************************************
2747 * _fputchar (MSVCRT.@)
2748 */
2749 int CDECL _fputchar(int c)
2750 {
2751 return fputc(c, stdout);
2752 }
2753
2754 /*********************************************************************
2755 * fread (MSVCRT.@)
2756 */
2757 size_t CDECL fread(void *ptr, size_t size, size_t nmemb, FILE* file)
2758 {
2759 size_t rcnt=size * nmemb;
2760 size_t read=0;
2761 int pread=0;
2762
2763 if(!rcnt)
2764 return 0;
2765
2766 _lock_file(file);
2767
2768 /* first buffered data */
2769 if(file->_cnt>0) {
2770 int pcnt= (rcnt>(unsigned int)file->_cnt)? file->_cnt:rcnt;
2771 memcpy(ptr, file->_ptr, pcnt);
2772 file->_cnt -= pcnt;
2773 file->_ptr += pcnt;
2774 read += pcnt ;
2775 rcnt -= pcnt ;
2776 ptr = (char*)ptr + pcnt;
2777 } else if(!(file->_flag & _IOREAD )) {
2778 if(file->_flag & _IORW) {
2779 file->_flag |= _IOREAD;
2780 } else {
2781 _unlock_file(file);
2782 return 0;
2783 }
2784 }
2785 while(rcnt>0)
2786 {
2787 int i;
2788 /* Fill the buffer on small reads.
2789 * TODO: Use a better buffering strategy.
2790 */
2791 if (!file->_cnt && size*nmemb <= BUFSIZ/2 && !(file->_flag & _IONBF)) {
2792 if (file->_bufsiz == 0) {
2793 alloc_buffer(file);
2794 }
2795 file->_cnt = _read(file->_file, file->_base, file->_bufsiz);
2796 file->_ptr = file->_base;
2797 i = ((unsigned int)file->_cnt<rcnt) ? file->_cnt : rcnt;
2798 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
2799 if (i > 0 && i < file->_cnt) {
2800 get_ioinfo(file->_file)->wxflag &= ~WX_ATEOF;
2801 file->_flag &= ~_IOEOF;
2802 }
2803 if (i > 0) {
2804 memcpy(ptr, file->_ptr, i);
2805 file->_cnt -= i;
2806 file->_ptr += i;
2807 }
2808 } else {
2809 i = _read(file->_file,ptr, rcnt);
2810 }
2811 pread += i;
2812 rcnt -= i;
2813 ptr = (char *)ptr+i;
2814 /* expose feof condition in the flags
2815 * MFC tests file->_flag for feof, and doesn't call feof())
2816 */
2817 if (get_ioinfo(file->_file)->wxflag & WX_ATEOF)
2818 file->_flag |= _IOEOF;
2819 else if (i == -1)
2820 {
2821 file->_flag |= _IOERR;
2822 pread = 0;
2823 rcnt = 0;
2824 }
2825 if (i < 1) break;
2826 }
2827 read+=pread;
2828 _unlock_file(file);
2829 return read / size;
2830 }
2831
2832 /*********************************************************************
2833 * _wfreopen (MSVCRT.@)
2834 *
2835 */
2836 FILE* CDECL _wfreopen(const wchar_t *path, const wchar_t *mode, FILE* file)
2837 {
2838 int open_flags, stream_flags, fd;
2839
2840 TRACE(":path (%p) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file ? file->_file : -1);
2841
2842 LOCK_FILES();
2843 if (!file || ((fd = file->_file) < 0) || fd > fdend)
2844 file = NULL;
2845 else
2846 {
2847 fclose(file);
2848 /* map mode string to open() flags. "man fopen" for possibilities. */
2849 if (get_flags(mode, &open_flags, &stream_flags) == -1)
2850 file = NULL;
2851 else
2852 {
2853 fd = _wopen(path, open_flags, _S_IREAD | _S_IWRITE);
2854 if (fd < 0)
2855 file = NULL;
2856 else if (init_fp(file, fd, stream_flags) == -1)
2857 {
2858 file->_flag = 0;
2859 WARN(":failed-last error (%d)\n",GetLastError());
2860 _dosmaperr(GetLastError());
2861 file = NULL;
2862 }
2863 }
2864 }
2865 UNLOCK_FILES();
2866 return file;
2867 }
2868
2869 /*********************************************************************
2870 * freopen (MSVCRT.@)
2871 *
2872 */
2873 FILE* CDECL freopen(const char *path, const char *mode, FILE* file)
2874 {
2875 FILE *ret;
2876 wchar_t *pathW = NULL, *modeW = NULL;
2877
2878 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
2879 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
2880 {
2881 free(pathW);
2882 return NULL;
2883 }
2884
2885 ret = _wfreopen(pathW, modeW, file);
2886
2887 free(pathW);
2888 free(modeW);
2889 return ret;
2890 }
2891
2892 /*********************************************************************
2893 * fsetpos (MSVCRT.@)
2894 */
2895 int CDECL fsetpos(FILE* file, const fpos_t *pos)
2896 {
2897 int ret;
2898
2899 _lock_file(file);
2900 /* Note that all this has been lifted 'as is' from fseek */
2901 if(file->_flag & _IOWRT)
2902 flush_buffer(file);
2903
2904 /* Discard buffered input */
2905 file->_cnt = 0;
2906 file->_ptr = file->_base;
2907
2908 /* Reset direction of i/o */
2909 if(file->_flag & _IORW) {
2910 file->_flag &= ~(_IOREAD|_IOWRT);
2911 }
2912
2913 ret = (_lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
2914 _unlock_file(file);
2915 return ret;
2916 }
2917
2918 /*********************************************************************
2919 * _ftelli64 (MSVCRT.@)
2920 */
2921 __int64 CDECL _ftelli64(FILE* file)
2922 {
2923 __int64 pos;
2924
2925 _lock_file(file);
2926 pos = _telli64(file->_file);
2927 if(pos == -1) {
2928 _unlock_file(file);
2929 return -1;
2930 }
2931 if(file->_bufsiz) {
2932 if(file->_flag & _IOWRT) {
2933 pos += file->_ptr - file->_base;
2934
2935 if(get_ioinfo(file->_file)->wxflag & WX_TEXT) {
2936 char *p;
2937
2938 for(p=file->_base; p<file->_ptr; p++)
2939 if(*p == '\n')
2940 pos++;
2941 }
2942 } else if(!file->_cnt) { /* nothing to do */
2943 } else if(_lseeki64(file->_file, 0, SEEK_END)==pos) {
2944 int i;
2945
2946 pos -= file->_cnt;
2947 if(get_ioinfo(file->_file)->wxflag & WX_TEXT) {
2948 for(i=0; i<file->_cnt; i++)
2949 if(file->_ptr[i] == '\n')
2950 pos--;
2951 }
2952 } else {
2953 char *p;
2954
2955 if(_lseeki64(file->_file, pos, SEEK_SET) != pos) {
2956 _unlock_file(file);
2957 return -1;
2958 }
2959
2960 pos -= file->_bufsiz;
2961 pos += file->_ptr - file->_base;
2962
2963 if(get_ioinfo(file->_file)->wxflag & WX_TEXT) {
2964 if(get_ioinfo(file->_file)->wxflag & WX_READNL)
2965 pos--;
2966
2967 for(p=file->_base; p<file->_ptr; p++)
2968 if(*p == '\n')
2969 pos++;
2970 }
2971 }
2972 }
2973
2974 _unlock_file(file);
2975 return pos;
2976 }
2977
2978 /*********************************************************************
2979 * ftell (MSVCRT.@)
2980 */
2981 LONG CDECL ftell(FILE* file)
2982 {
2983 return (LONG)_ftelli64(file);
2984 }
2985
2986 /*********************************************************************
2987 * fgetpos (MSVCRT.@)
2988 */
2989 int CDECL fgetpos(FILE* file, fpos_t *pos)
2990 {
2991 int off=0;
2992
2993 _lock_file(file);
2994 *pos = _lseeki64(file->_file,0,SEEK_CUR);
2995 if(*pos == -1) {
2996 _unlock_file(file);
2997 return -1;
2998 }
2999 if(file->_bufsiz) {
3000 if( file->_flag & _IOWRT ) {
3001 off = file->_ptr - file->_base;
3002 } else {
3003 off = -file->_cnt;
3004 if (get_ioinfo(file->_file)->wxflag & WX_TEXT) {
3005 /* Black magic correction for CR removal */
3006 int i;
3007 for (i=0; i<file->_cnt; i++) {
3008 if (file->_ptr[i] == '\n')
3009 off--;
3010 }
3011 /* Black magic when reading CR at buffer boundary*/
3012 if(get_ioinfo(file->_file)->wxflag & WX_READCR)
3013 off--;
3014 }
3015 }
3016 }
3017 *pos += off;
3018 _unlock_file(file);
3019 return 0;
3020 }
3021
3022 /*********************************************************************
3023 * fputs (MSVCRT.@)
3024 */
3025 int CDECL fputs(const char *s, FILE* file)
3026 {
3027 size_t i, len = strlen(s);
3028 int ret;
3029
3030 _lock_file(file);
3031 if (!(get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3032 ret = fwrite(s,sizeof(*s),len,file) == len ? 0 : EOF;
3033 _unlock_file(file);
3034 return ret;
3035 }
3036 for (i=0; i<len; i++)
3037 if (fputc(s[i], file) == EOF) {
3038 _unlock_file(file);
3039 return EOF;
3040 }
3041
3042 _unlock_file(file);
3043 return 0;
3044 }
3045
3046 /*********************************************************************
3047 * fputws (MSVCRT.@)
3048 */
3049 int CDECL fputws(const wchar_t *s, FILE* file)
3050 {
3051 size_t i, len = strlenW(s);
3052 int ret;
3053
3054 _lock_file(file);
3055 if (!(get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3056 ret = fwrite(s,sizeof(*s),len,file) == len ? 0 : EOF;
3057 _unlock_file(file);
3058 return ret;
3059 }
3060 for (i=0; i<len; i++) {
3061 if (((s[i] == '\n') && (fputc('\r', file) == EOF))
3062 || fputwc(s[i], file) == WEOF) {
3063 _unlock_file(file);
3064 return WEOF;
3065 }
3066 }
3067
3068 _unlock_file(file);
3069 return 0;
3070 }
3071
3072 /*********************************************************************
3073 * getchar (MSVCRT.@)
3074 */
3075 int CDECL getchar(void)
3076 {
3077 return fgetc(stdin);
3078 }
3079
3080 /*********************************************************************
3081 * getc (MSVCRT.@)
3082 */
3083 int CDECL getc(FILE* file)
3084 {
3085 return fgetc(file);
3086 }
3087
3088 /*********************************************************************
3089 * gets (MSVCRT.@)
3090 */
3091 char * CDECL gets(char *buf)
3092 {
3093 int cc;
3094 char * buf_start = buf;
3095
3096 _lock_file(stdin);
3097 for(cc = fgetc(stdin); cc != EOF && cc != '\n';
3098 cc = fgetc(stdin))
3099 if(cc != '\r') *buf++ = (char)cc;
3100
3101 *buf = '\0';
3102
3103 TRACE("got '%s'\n", buf_start);
3104 _unlock_file(stdin);
3105 return buf_start;
3106 }
3107
3108 /*********************************************************************
3109 * _getws (MSVCRT.@)
3110 */
3111 wchar_t* CDECL _getws(wchar_t* buf)
3112 {
3113 wint_t cc;
3114 wchar_t* ws = buf;
3115
3116 _lock_file(stdin);
3117 for (cc = fgetwc(stdin); cc != WEOF && cc != '\n';
3118 cc = fgetwc(stdin))
3119 {
3120 if (cc != '\r')
3121 *buf++ = (wchar_t)cc;
3122 }
3123 *buf = '\0';
3124
3125 TRACE("got %s\n", debugstr_w(ws));
3126 _unlock_file(stdin);
3127 return ws;
3128 }
3129
3130 /*********************************************************************
3131 * putc (MSVCRT.@)
3132 */
3133 int CDECL putc(int c, FILE* file)
3134 {
3135 return fputc(c, file);
3136 }
3137
3138 /*********************************************************************
3139 * putchar (MSVCRT.@)
3140 */
3141 int CDECL putchar(int c)
3142 {
3143 return fputc(c, stdout);
3144 }
3145
3146 /*********************************************************************
3147 * _putwch (MSVCRT.@)
3148 */
3149 wint_t CDECL _putwch(wchar_t c)
3150 {
3151 return fputwc(c, stdout);
3152 }
3153
3154 /*********************************************************************
3155 * puts (MSVCRT.@)
3156 */
3157 int CDECL puts(const char *s)
3158 {
3159 size_t len = strlen(s);
3160 int ret;
3161
3162 _lock_file(stdout);
3163 if(fwrite(s, sizeof(*s), len, stdout) != len) {
3164 _unlock_file(stdout);
3165 return EOF;
3166 }
3167
3168 ret = fwrite("\n",1,1,stdout) == 1 ? 0 : EOF;
3169 _unlock_file(stdout);
3170 return ret;
3171 }
3172
3173 /*********************************************************************
3174 * _putws (MSVCRT.@)
3175 */
3176 int CDECL _putws(const wchar_t *s)
3177 {
3178 static const wchar_t nl = '\n';
3179 size_t len = strlenW(s);
3180 int ret;
3181
3182 _lock_file(stdout);
3183 if(fwrite(s, sizeof(*s), len, stdout) != len) {
3184 _unlock_file(stdout);
3185 return EOF;
3186 }
3187
3188 ret = fwrite(&nl,sizeof(nl),1,stdout) == 1 ? 0 : EOF;
3189 _unlock_file(stdout);
3190 return ret;
3191 }
3192
3193 /*********************************************************************
3194 * remove (MSVCRT.@)
3195 */
3196 int CDECL remove(const char *path)
3197 {
3198 TRACE("(%s)\n",path);
3199 if (DeleteFileA(path))
3200 return 0;
3201 TRACE(":failed (%d)\n",GetLastError());
3202 _dosmaperr(GetLastError());
3203 return -1;
3204 }
3205
3206 /*********************************************************************
3207 * _wremove (MSVCRT.@)
3208 */
3209 int CDECL _wremove(const wchar_t *path)
3210 {
3211 TRACE("(%s)\n",debugstr_w(path));
3212 if (DeleteFileW(path))
3213 return 0;
3214 TRACE(":failed (%d)\n",GetLastError());
3215 _dosmaperr(GetLastError());
3216 return -1;
3217 }
3218
3219 /*********************************************************************
3220 * rename (MSVCRT.@)
3221 */
3222 int CDECL rename(const char *oldpath,const char *newpath)
3223 {
3224 TRACE(":from %s to %s\n",oldpath,newpath);
3225 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3226 return 0;
3227 TRACE(":failed (%d)\n",GetLastError());
3228 _dosmaperr(GetLastError());
3229 return -1;
3230 }
3231
3232 /*********************************************************************
3233 * _wrename (MSVCRT.@)
3234 */
3235 int CDECL _wrename(const wchar_t *oldpath,const wchar_t *newpath)
3236 {
3237 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
3238 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3239 return 0;
3240 TRACE(":failed (%d)\n",GetLastError());
3241 _dosmaperr(GetLastError());
3242 return -1;
3243 }
3244
3245 /*********************************************************************
3246 * setvbuf (MSVCRT.@)
3247 */
3248 int CDECL setvbuf(FILE* file, char *buf, int mode, size_t size)
3249 {
3250 _lock_file(file);
3251 if(file->_bufsiz) {
3252 free(file->_base);
3253 file->_bufsiz = 0;
3254 file->_cnt = 0;
3255 }
3256 if(mode == _IOFBF) {
3257 file->_flag &= ~_IONBF;
3258 file->_base = file->_ptr = buf;
3259 if(buf) {
3260 file->_bufsiz = size;
3261 }
3262 } else {
3263 file->_flag |= _IONBF;
3264 }
3265 _unlock_file(file);
3266 return 0;
3267 }
3268
3269 /*********************************************************************
3270 * setbuf (MSVCRT.@)
3271 */
3272 void CDECL setbuf(FILE* file, char *buf)
3273 {
3274 setvbuf(file, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
3275 }
3276
3277 /*********************************************************************
3278 * tmpnam (MSVCRT.@)
3279 */
3280 char * CDECL tmpnam(char *s)
3281 {
3282 char tmpstr[16];
3283 char *p;
3284 int count, size;
3285
3286 if (!s) {
3287 thread_data_t *data = msvcrt_get_thread_data();
3288
3289 if(!data->tmpnam_buffer)
3290 data->tmpnam_buffer = malloc(MAX_PATH);
3291
3292 s = data->tmpnam_buffer;
3293 }
3294
3295 int_to_base32(GetCurrentProcessId(), tmpstr);
3296 p = s + sprintf(s, "\\s%s.", tmpstr);
3297 for (count = 0; count < TMP_MAX; count++)
3298 {
3299 size = int_to_base32(tmpnam_unique++, tmpstr);
3300 memcpy(p, tmpstr, size);
3301 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
3302 GetLastError() == ERROR_FILE_NOT_FOUND)
3303 break;
3304 }
3305 return s;
3306 }
3307
3308 /*********************************************************************
3309 * _wtmpnam (MSVCRT.@)
3310 */
3311 wchar_t * CDECL _wtmpnam(wchar_t *s)
3312 {
3313 static const wchar_t format[] = {'\\','s','%','s','.',0};
3314 wchar_t tmpstr[16];
3315 wchar_t *p;
3316 int count, size;
3317 if (!s) {
3318 thread_data_t *data = msvcrt_get_thread_data();
3319
3320 if(!data->wtmpnam_buffer)
3321 data->wtmpnam_buffer = malloc(sizeof(wchar_t[MAX_PATH]));
3322
3323 s = data->wtmpnam_buffer;
3324 }
3325
3326 int_to_base32_w(GetCurrentProcessId(), tmpstr);
3327 p = s + _snwprintf(s, MAX_PATH, format, tmpstr);
3328 for (count = 0; count < TMP_MAX; count++)
3329 {
3330 size = int_to_base32_w(tmpnam_unique++, tmpstr);
3331 memcpy(p, tmpstr, size*sizeof(wchar_t));
3332 if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
3333 GetLastError() == ERROR_FILE_NOT_FOUND)
3334 break;
3335 }
3336 return s;
3337 }
3338
3339 /*********************************************************************
3340 * tmpfile (MSVCRT.@)
3341 */
3342 FILE* CDECL tmpfile(void)
3343 {
3344 char *filename = tmpnam(NULL);
3345 int fd;
3346 FILE* file = NULL;
3347
3348 LOCK_FILES();
3349 fd = _open(filename, _O_CREAT | _O_BINARY | _O_RDWR | _O_TEMPORARY,
3350 _S_IREAD | _S_IWRITE);
3351 if (fd != -1 && (file = alloc_fp()))
3352 {
3353 if (init_fp(file, fd, _IORW) == -1)
3354 {
3355 file->_flag = 0;
3356 file = NULL;
3357 }
3358 else file->_tmpfname = _strdup(filename);
3359 }
3360
3361 if(fd != -1 && !file)
3362 _close(fd);
3363 UNLOCK_FILES();
3364 return file;
3365 }
3366
3367 /*********************************************************************
3368 * ungetc (MSVCRT.@)
3369 */
3370 int CDECL ungetc(int c, FILE * file)
3371 {
3372 if (c == EOF)
3373 return EOF;
3374
3375 _lock_file(file);
3376 if(file->_bufsiz == 0) {
3377 alloc_buffer(file);
3378 file->_ptr++;
3379 }
3380 if(file->_ptr>file->_base) {
3381 file->_ptr--;
3382 *file->_ptr=c;
3383 file->_cnt++;
3384 clearerr(file);
3385 _unlock_file(file);
3386 return c;
3387 }
3388
3389 _unlock_file(file);
3390 return EOF;
3391 }
3392
3393 /*********************************************************************
3394 * ungetwc (MSVCRT.@)
3395 */
3396 wint_t CDECL ungetwc(wint_t wc, FILE * file)
3397 {
3398 wchar_t mwc = wc;
3399 char * pp = (char *)&mwc;
3400 int i;
3401
3402 _lock_file(file);
3403 for(i=sizeof(wchar_t)-1;i>=0;i--) {
3404 if(pp[i] != ungetc(pp[i],file)) {
3405 _unlock_file(file);
3406 return WEOF;
3407 }
3408 }
3409
3410 _unlock_file(file);
3411 return mwc;
3412 }
3413
3414
3415
3416 /*********************************************************************
3417 * _getmaxstdio (MSVCRT.@)
3418 */
3419 int CDECL _getmaxstdio(void)
3420 {
3421 return max_streams;
3422 }
3423
3424 /*********************************************************************
3425 * _setmaxstdio (MSVCRT.@)
3426 */
3427 int CDECL _setmaxstdio(int newmax)
3428 {
3429 TRACE("%d\n", newmax);
3430
3431 if(newmax<_IOB_ENTRIES || newmax>MAX_FILES || newmax<stream_idx)
3432 return -1;
3433
3434 max_streams = newmax;
3435 return max_streams;
3436 }
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