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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 while(*pattern)
1407 numX = (*pattern++ == 'X')? numX + 1 : 0;
1408 if (numX < 5)
1409 return NULL;
1410 pattern--;
1411 id = GetCurrentProcessId();
1412 numX = 6;
1413 while(numX--)
1414 {
1415 int tempNum = id / 10;
1416 *pattern-- = id - (tempNum * 10) + '0';
1417 id = tempNum;
1418 }
1419 pattern++;
1420 do
1421 {
1422 *pattern = letter++;
1423 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES &&
1424 GetLastError() == ERROR_FILE_NOT_FOUND)
1425 return retVal;
1426 } while(letter <= 'z');
1427 return NULL;
1428 }
1429
1430 /*********************************************************************
1431 * _wmktemp (MSVCRT.@)
1432 */
1433 wchar_t * CDECL _wmktemp(wchar_t *pattern)
1434 {
1435 int numX = 0;
1436 wchar_t *retVal = pattern;
1437 int id;
1438 wchar_t letter = 'a';
1439
1440 while(*pattern)
1441 numX = (*pattern++ == 'X')? numX + 1 : 0;
1442 if (numX < 5)
1443 return NULL;
1444 pattern--;
1445 id = GetCurrentProcessId();
1446 numX = 6;
1447 while(numX--)
1448 {
1449 int tempNum = id / 10;
1450 *pattern-- = id - (tempNum * 10) + '0';
1451 id = tempNum;
1452 }
1453 pattern++;
1454 do
1455 {
1456 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES &&
1457 GetLastError() == ERROR_FILE_NOT_FOUND)
1458 return retVal;
1459 *pattern = letter++;
1460 } while(letter != '|');
1461 return NULL;
1462 }
1463
1464 /*static*/ unsigned split_oflags(unsigned oflags)
1465 {
1466 int wxflags = 0;
1467 unsigned unsupp; /* until we support everything */
1468
1469 if (oflags & _O_APPEND) wxflags |= WX_APPEND;
1470 if (oflags & _O_BINARY) {/* Nothing to do */}
1471 else if (oflags & _O_TEXT) wxflags |= WX_TEXT;
1472 else if (*__p__fmode() & _O_BINARY) {/* Nothing to do */}
1473 else wxflags |= WX_TEXT; /* default to TEXT*/
1474 if (oflags & _O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1475
1476 if ((unsupp = oflags & ~(
1477 _O_BINARY|_O_TEXT|_O_APPEND|
1478 _O_TRUNC|_O_EXCL|_O_CREAT|
1479 _O_RDWR|_O_WRONLY|_O_TEMPORARY|
1480 _O_NOINHERIT|
1481 _O_SEQUENTIAL|_O_RANDOM|_O_SHORT_LIVED
1482 )))
1483 ERR(":unsupported oflags 0x%04x\n",unsupp);
1484
1485 return wxflags;
1486 }
1487
1488 /*********************************************************************
1489 * _pipe (MSVCRT.@)
1490 */
1491 int CDECL _pipe(int *pfds, unsigned int psize, int textmode)
1492 {
1493 int ret = -1;
1494 SECURITY_ATTRIBUTES sa;
1495 HANDLE readHandle, writeHandle;
1496
1497 if (!pfds)
1498 {
1499 *_errno() = EINVAL;
1500 return -1;
1501 }
1502
1503 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
1504 sa.bInheritHandle = !(textmode & _O_NOINHERIT);
1505 sa.lpSecurityDescriptor = NULL;
1506 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
1507 {
1508 unsigned int wxflags = split_oflags(textmode);
1509 int fd;
1510
1511 LOCK_FILES();
1512 fd = alloc_fd(readHandle, wxflags);
1513 if (fd != -1)
1514 {
1515 pfds[0] = fd;
1516 fd = alloc_fd(writeHandle, wxflags);
1517 if (fd != -1)
1518 {
1519 pfds[1] = fd;
1520 ret = 0;
1521 }
1522 else
1523 {
1524 _close(pfds[0]);
1525 CloseHandle(writeHandle);
1526 *_errno() = EMFILE;
1527 }
1528 }
1529 else
1530 {
1531 CloseHandle(readHandle);
1532 CloseHandle(writeHandle);
1533 *_errno() = EMFILE;
1534 }
1535 UNLOCK_FILES();
1536 }
1537 else
1538 _dosmaperr(GetLastError());
1539
1540 return ret;
1541 }
1542
1543 /*********************************************************************
1544 * _sopen_s (MSVCRT.@)
1545 */
1546 int CDECL _sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode )
1547 {
1548 DWORD access = 0, creation = 0, attrib;
1549 DWORD sharing;
1550 int wxflag;
1551 HANDLE hand;
1552 SECURITY_ATTRIBUTES sa;
1553
1554 TRACE("fd*: %p file: (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1555 fd, path, oflags, shflags, pmode);
1556
1557 if (!fd)
1558 {
1559 MSVCRT_INVALID_PMT("null out fd pointer", EINVAL);
1560 return EINVAL;
1561 }
1562
1563 *fd = -1;
1564 wxflag = split_oflags(oflags);
1565 switch (oflags & (_O_RDONLY | _O_WRONLY | _O_RDWR))
1566 {
1567 case _O_RDONLY: access |= GENERIC_READ; break;
1568 case _O_WRONLY: access |= GENERIC_WRITE; break;
1569 case _O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1570 }
1571
1572 if (oflags & _O_CREAT)
1573 {
1574 if(pmode & ~(_S_IREAD | _S_IWRITE))
1575 FIXME(": pmode 0x%04x ignored\n", pmode);
1576 else
1577 WARN(": pmode 0x%04x ignored\n", pmode);
1578
1579 if (oflags & _O_EXCL)
1580 creation = CREATE_NEW;
1581 else if (oflags & _O_TRUNC)
1582 creation = CREATE_ALWAYS;
1583 else
1584 creation = OPEN_ALWAYS;
1585 }
1586 else /* no _O_CREAT */
1587 {
1588 if (oflags & _O_TRUNC)
1589 creation = TRUNCATE_EXISTING;
1590 else
1591 creation = OPEN_EXISTING;
1592 }
1593
1594 switch( shflags )
1595 {
1596 case _SH_DENYRW:
1597 sharing = 0L;
1598 break;
1599 case _SH_DENYWR:
1600 sharing = FILE_SHARE_READ;
1601 break;
1602 case _SH_DENYRD:
1603 sharing = FILE_SHARE_WRITE;
1604 break;
1605 case _SH_DENYNO:
1606 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1607 break;
1608 default:
1609 ERR( "Unhandled shflags 0x%x\n", shflags );
1610 return EINVAL;
1611 }
1612 attrib = FILE_ATTRIBUTE_NORMAL;
1613
1614 if (oflags & _O_TEMPORARY)
1615 {
1616 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1617 access |= DELETE;
1618 sharing |= FILE_SHARE_DELETE;
1619 }
1620
1621 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1622 sa.lpSecurityDescriptor = NULL;
1623 sa.bInheritHandle = (oflags & _O_NOINHERIT) ? FALSE : TRUE;
1624
1625 hand = CreateFileA(path, access, sharing, &sa, creation, attrib, 0);
1626 if (hand == INVALID_HANDLE_VALUE) {
1627 WARN(":failed-last error (%d)\n", GetLastError());
1628 _dosmaperr(GetLastError());
1629 return *_errno();
1630 }
1631
1632 *fd = alloc_fd(hand, wxflag);
1633
1634 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
1635 return 0;
1636 }
1637
1638 /*********************************************************************
1639 * _sopen (MSVCRT.@)
1640 */
1641 int CDECL _sopen( const char *path, int oflags, int shflags, ... )
1642 {
1643 int pmode;
1644 int fd;
1645
1646 if (oflags & _O_CREAT)
1647 {
1648 va_list ap;
1649
1650 va_start(ap, shflags);
1651 pmode = va_arg(ap, int);
1652 va_end(ap);
1653 }
1654 else
1655 pmode = 0;
1656
1657 _sopen_s(&fd, path, oflags, shflags, pmode);
1658 return fd;
1659 }
1660
1661 /*********************************************************************
1662 * _wsopen_s (MSVCRT.@)
1663 */
1664 int CDECL _wsopen_s( int *fd, const wchar_t* path, int oflags, int shflags, int pmode )
1665 {
1666 DWORD access = 0, creation = 0, attrib;
1667 SECURITY_ATTRIBUTES sa;
1668 DWORD sharing;
1669 int wxflag;
1670 HANDLE hand;
1671
1672 TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
1673 fd, debugstr_w(path), oflags, shflags, pmode);
1674
1675 if (!fd)
1676 {
1677 MSVCRT_INVALID_PMT("null out fd pointer", EINVAL);
1678 return EINVAL;
1679 }
1680
1681 *fd = -1;
1682 wxflag = split_oflags(oflags);
1683 switch (oflags & (_O_RDONLY | _O_WRONLY | _O_RDWR))
1684 {
1685 case _O_RDONLY: access |= GENERIC_READ; break;
1686 case _O_WRONLY: access |= GENERIC_WRITE; break;
1687 case _O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1688 }
1689
1690 if (oflags & _O_CREAT)
1691 {
1692 if(pmode & ~(_S_IREAD | _S_IWRITE))
1693 FIXME(": pmode 0x%04x ignored\n", pmode);
1694 else
1695 WARN(": pmode 0x%04x ignored\n", pmode);
1696
1697 if (oflags & _O_EXCL)
1698 creation = CREATE_NEW;
1699 else if (oflags & _O_TRUNC)
1700 creation = CREATE_ALWAYS;
1701 else
1702 creation = OPEN_ALWAYS;
1703 }
1704 else /* no _O_CREAT */
1705 {
1706 if (oflags & _O_TRUNC)
1707 creation = TRUNCATE_EXISTING;
1708 else
1709 creation = OPEN_EXISTING;
1710 }
1711
1712 switch( shflags )
1713 {
1714 case _SH_DENYRW:
1715 sharing = 0L;
1716 break;
1717 case _SH_DENYWR:
1718 sharing = FILE_SHARE_READ;
1719 break;
1720 case _SH_DENYRD:
1721 sharing = FILE_SHARE_WRITE;
1722 break;
1723 case _SH_DENYNO:
1724 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1725 break;
1726 default:
1727 ERR( "Unhandled shflags 0x%x\n", shflags );
1728 return EINVAL;
1729 }
1730 attrib = FILE_ATTRIBUTE_NORMAL;
1731
1732 if (oflags & _O_TEMPORARY)
1733 {
1734 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1735 access |= DELETE;
1736 sharing |= FILE_SHARE_DELETE;
1737 }
1738
1739 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1740 sa.lpSecurityDescriptor = NULL;
1741 sa.bInheritHandle = (oflags & _O_NOINHERIT) ? FALSE : TRUE;
1742
1743 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
1744
1745 if (hand == INVALID_HANDLE_VALUE) {
1746 WARN(":failed-last error (%d)\n",GetLastError());
1747 _dosmaperr(GetLastError());
1748 return *_errno();
1749 }
1750
1751 *fd = alloc_fd(hand, wxflag);
1752
1753 TRACE(":fd (%d) handle (%p)\n", *fd, hand);
1754 return 0;
1755 }
1756
1757 /*********************************************************************
1758 * _wsopen (MSVCRT.@)
1759 */
1760 int CDECL _wsopen( const wchar_t *path, int oflags, int shflags, ... )
1761 {
1762 int pmode;
1763 int fd;
1764
1765 if (oflags & _O_CREAT)
1766 {
1767 va_list ap;
1768
1769 va_start(ap, shflags);
1770 pmode = va_arg(ap, int);
1771 va_end(ap);
1772 }
1773 else
1774 pmode = 0;
1775
1776 _wsopen_s(&fd, path, oflags, shflags, pmode);
1777 return fd;
1778 }
1779
1780 /*********************************************************************
1781 * _open (MSVCRT.@)
1782 */
1783 int CDECL _open( const char *path, int flags, ... )
1784 {
1785 va_list ap;
1786
1787 if (flags & _O_CREAT)
1788 {
1789 int pmode;
1790 va_start(ap, flags);
1791 pmode = va_arg(ap, int);
1792 va_end(ap);
1793 return _sopen( path, flags, _SH_DENYNO, pmode );
1794 }
1795 else
1796 return _sopen( path, flags, _SH_DENYNO);
1797 }
1798
1799 /*********************************************************************
1800 * _wopen (MSVCRT.@)
1801 */
1802 int CDECL _wopen(const wchar_t *path,int flags,...)
1803 {
1804 va_list ap;
1805
1806 if (flags & _O_CREAT)
1807 {
1808 int pmode;
1809 va_start(ap, flags);
1810 pmode = va_arg(ap, int);
1811 va_end(ap);
1812 return _wsopen( path, flags, _SH_DENYNO, pmode );
1813 }
1814 else
1815 return _wsopen( path, flags, _SH_DENYNO);
1816 }
1817
1818 /*********************************************************************
1819 * _creat (MSVCRT.@)
1820 */
1821 int CDECL _creat(const char *path, int flags)
1822 {
1823 int usedFlags = (flags & _O_TEXT)| _O_CREAT| _O_WRONLY| _O_TRUNC;
1824 return _open(path, usedFlags);
1825 }
1826
1827 /*********************************************************************
1828 * _wcreat (MSVCRT.@)
1829 */
1830 int CDECL _wcreat(const wchar_t *path, int flags)
1831 {
1832 int usedFlags = (flags & _O_TEXT)| _O_CREAT| _O_WRONLY| _O_TRUNC;
1833 return _wopen(path, usedFlags);
1834 }
1835
1836 /*********************************************************************
1837 * _open_osfhandle (MSVCRT.@)
1838 */
1839 int CDECL _open_osfhandle(intptr_t handle, int oflags)
1840 {
1841 DWORD flags;
1842 int fd;
1843
1844 /* _O_RDONLY (0) always matches, so set the read flag
1845 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
1846 * file, so set the write flag. It also only sets _O_TEXT if it wants
1847 * text - it never sets _O_BINARY.
1848 */
1849 /* don't let split_oflags() decide the mode if no mode is passed */
1850 if (!(oflags & (_O_BINARY | _O_TEXT)))
1851 oflags |= _O_BINARY;
1852
1853 flags = GetFileType((HANDLE)handle);
1854 if (flags==FILE_TYPE_UNKNOWN && GetLastError()!=NO_ERROR)
1855 {
1856 _dosmaperr(GetLastError());
1857 return -1;
1858 }
1859
1860 if (flags == FILE_TYPE_CHAR)
1861 flags = WX_NOSEEK;
1862 else if (flags == FILE_TYPE_PIPE)
1863 flags = WX_PIPE;
1864 else
1865 flags = 0;
1866 flags |= split_oflags(oflags);
1867
1868 fd = alloc_fd((HANDLE)handle, flags);
1869 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, flags);
1870 return fd;
1871 }
1872
1873 /*********************************************************************
1874 * _rmtmp (MSVCRT.@)
1875 */
1876 int CDECL _rmtmp(void)
1877 {
1878 int num_removed = 0, i;
1879 FILE *file;
1880
1881 LOCK_FILES();
1882 for (i = 3; i < stream_idx; i++) {
1883 file = get_file(i);
1884
1885 if (file->_tmpfname)
1886 {
1887 fclose(file);
1888 num_removed++;
1889 }
1890 }
1891 UNLOCK_FILES();
1892
1893 if (num_removed)
1894 TRACE(":removed (%d) temp files\n",num_removed);
1895 return num_removed;
1896 }
1897
1898 /*********************************************************************
1899 * (internal) read_i
1900 *
1901 * When reading \r as last character in text mode, read() positions
1902 * the file pointer on the \r character while getc() goes on to
1903 * the following \n
1904 */
1905 static int read_i(int fd, void *buf, unsigned int count)
1906 {
1907 DWORD num_read;
1908 char *bufstart = buf;
1909 HANDLE hand = fdtoh(fd);
1910 ioinfo *fdinfo = get_ioinfo(fd);
1911
1912 if (count == 0)
1913 return 0;
1914
1915 if (fdinfo->wxflag & WX_READEOF) {
1916 fdinfo->wxflag |= WX_ATEOF;
1917 TRACE("already at EOF, returning 0\n");
1918 return 0;
1919 }
1920 /* Don't trace small reads, it gets *very* annoying */
1921 if (count > 4)
1922 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
1923 if (hand == INVALID_HANDLE_VALUE)
1924 return -1;
1925
1926 /* Reading single bytes in O_TEXT mode makes things slow
1927 * So read big chunks
1928 */
1929 if (ReadFile(hand, bufstart, count, &num_read, NULL))
1930 {
1931 if (count != 0 && num_read == 0)
1932 {
1933 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
1934 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
1935 }
1936 else if (fdinfo->wxflag & WX_TEXT)
1937 {
1938 DWORD i, j;
1939 if (bufstart[num_read-1] == '\r')
1940 {
1941 if(count == 1)
1942 {
1943 fdinfo->wxflag &= ~WX_READCR;
1944 ReadFile(hand, bufstart, 1, &num_read, NULL);
1945 }
1946 else
1947 {
1948 fdinfo->wxflag |= WX_READCR;
1949 num_read--;
1950 }
1951 }
1952 else
1953 fdinfo->wxflag &= ~WX_READCR;
1954 for (i=0, j=0; i<num_read; i++)
1955 {
1956 /* in text mode, a ctrl-z signals EOF */
1957 if (bufstart[i] == 0x1a)
1958 {
1959 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
1960 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
1961 break;
1962 }
1963 /* in text mode, strip \r if followed by \n.
1964 * BUG: should save state across calls somehow, so CR LF that
1965 * straddles buffer boundary gets recognized properly?
1966 */
1967 if ((bufstart[i] != '\r')
1968 || ((i+1) < num_read && bufstart[i+1] != '\n'))
1969 bufstart[j++] = bufstart[i];
1970 }
1971 num_read = j;
1972 }
1973 }
1974 else
1975 {
1976 if (GetLastError() == ERROR_BROKEN_PIPE)
1977 {
1978 TRACE(":end-of-pipe\n");
1979 fdinfo->wxflag |= (WX_ATEOF|WX_READEOF);
1980 return 0;
1981 }
1982 else
1983 {
1984 TRACE(":failed-last error (%d)\n",GetLastError());
1985 return -1;
1986 }
1987 }
1988
1989 if (count > 4)
1990 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
1991 return num_read;
1992 }
1993
1994 /*********************************************************************
1995 * _read (MSVCRT.@)
1996 */
1997 int CDECL _read(int fd, void *buf, unsigned int count)
1998 {
1999 int num_read;
2000 num_read = read_i(fd, buf, count);
2001 return num_read;
2002 }
2003
2004 /*********************************************************************
2005 * _setmode (MSVCRT.@)
2006 */
2007 int CDECL _setmode(int fd,int mode)
2008 {
2009 int ret = get_ioinfo(fd)->wxflag & WX_TEXT ? _O_TEXT : _O_BINARY;
2010 if (mode & (~(_O_TEXT|_O_BINARY)))
2011 FIXME("fd (%d) mode (0x%08x) unknown\n",fd,mode);
2012 if ((mode & _O_TEXT) == _O_TEXT)
2013 get_ioinfo(fd)->wxflag |= WX_TEXT;
2014 else
2015 get_ioinfo(fd)->wxflag &= ~WX_TEXT;
2016 return ret;
2017 }
2018
2019 /*********************************************************************
2020 * _tell (MSVCRT.@)
2021 */
2022 long CDECL _tell(int fd)
2023 {
2024 return _lseek(fd, 0, SEEK_CUR);
2025 }
2026
2027 /*********************************************************************
2028 * _telli64 (MSVCRT.@)
2029 */
2030 __int64 CDECL _telli64(int fd)
2031 {
2032 return _lseeki64(fd, 0, SEEK_CUR);
2033 }
2034
2035 /*********************************************************************
2036 * _tempnam (MSVCRT.@)
2037 */
2038 char * CDECL _tempnam(const char *dir, const char *prefix)
2039 {
2040 char tmpbuf[MAX_PATH];
2041 const char *tmp_dir = getenv("TMP");
2042
2043 if (tmp_dir) dir = tmp_dir;
2044
2045 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
2046 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
2047 {
2048 TRACE("got name (%s)\n",tmpbuf);
2049 DeleteFileA(tmpbuf);
2050 return _strdup(tmpbuf);
2051 }
2052 TRACE("failed (%d)\n",GetLastError());
2053 return NULL;
2054 }
2055
2056 /*********************************************************************
2057 * _wtempnam (MSVCRT.@)
2058 */
2059 wchar_t * CDECL _wtempnam(const wchar_t *dir, const wchar_t *prefix)
2060 {
2061 wchar_t tmpbuf[MAX_PATH];
2062
2063 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
2064 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
2065 {
2066 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
2067 DeleteFileW(tmpbuf);
2068 return _wcsdup(tmpbuf);
2069 }
2070 TRACE("failed (%d)\n",GetLastError());
2071 return NULL;
2072 }
2073
2074 /*********************************************************************
2075 * _umask (MSVCRT.@)
2076 */
2077 int CDECL _umask(int umask)
2078 {
2079 int old_umask = umask;
2080 TRACE("(%d)\n",umask);
2081 MSVCRT_umask = umask;
2082 return old_umask;
2083 }
2084
2085 /*********************************************************************
2086 * _write (MSVCRT.@)
2087 */
2088 int CDECL _write(int fd, const void* buf, unsigned int count)
2089 {
2090 DWORD num_written;
2091 HANDLE hand = fdtoh(fd);
2092
2093 /* Don't trace small writes, it gets *very* annoying */
2094 #if 0
2095 if (count > 32)
2096 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
2097 #endif
2098 if (hand == INVALID_HANDLE_VALUE)
2099 {
2100 *_errno() = EBADF;
2101 return -1;
2102 }
2103
2104 /* If appending, go to EOF */
2105 if (get_ioinfo(fd)->wxflag & WX_APPEND)
2106 _lseek(fd, 0, FILE_END);
2107
2108 if (!(get_ioinfo(fd)->wxflag & WX_TEXT))
2109 {
2110 if (WriteFile(hand, buf, count, &num_written, NULL)
2111 && (num_written == count))
2112 return num_written;
2113 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
2114 hand, GetLastError());
2115 *_errno() = ENOSPC;
2116 }
2117 else
2118 {
2119 unsigned int i, j, nr_lf;
2120 char *p = NULL;
2121 const char *q;
2122 const char *s = buf, *buf_start = buf;
2123 /* find number of \n ( without preceding \r ) */
2124 for ( nr_lf=0,i = 0; i <count; i++)
2125 {
2126 if (s[i]== '\n')
2127 {
2128 nr_lf++;
2129 /*if ((i >1) && (s[i-1] == '\r')) nr_lf--; */
2130 }
2131 }
2132 if (nr_lf)
2133 {
2134 if ((q = p = malloc(count + nr_lf)))
2135 {
2136 for (s = buf, i = 0, j = 0; i < count; i++)
2137 {
2138 if (s[i]== '\n')
2139 {
2140 p[j++] = '\r';
2141 /*if ((i >1) && (s[i-1] == '\r'))j--;*/
2142 }
2143 p[j++] = s[i];
2144 }
2145 }
2146 else
2147 {
2148 FIXME("Malloc failed\n");
2149 nr_lf =0;
2150 q = buf;
2151 }
2152 }
2153 else
2154 q = buf;
2155
2156 if ((WriteFile(hand, q, count+nr_lf, &num_written, NULL) == 0 ) || (num_written != count+nr_lf))
2157 {
2158 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
2159 fd, hand, GetLastError(), num_written);
2160 *_errno() = ENOSPC;
2161 if(nr_lf)
2162 free(p);
2163 return s - buf_start;
2164 }
2165 else
2166 {
2167 if(nr_lf)
2168 free(p);
2169 return count;
2170 }
2171 }
2172 return -1;
2173 }
2174
2175 /*********************************************************************
2176 * _putw (MSVCRT.@)
2177 */
2178 int CDECL _putw(int val, FILE* file)
2179 {
2180 int len;
2181
2182 _lock_file(file);
2183 len = _write(file->_file, &val, sizeof(val));
2184 if (len == sizeof(val)) {
2185 _unlock_file(file);
2186 return val;
2187 }
2188
2189 file->_flag |= _IOERR;
2190 _unlock_file(file);
2191 return EOF;
2192 }
2193
2194 /*********************************************************************
2195 * fclose (MSVCRT.@)
2196 */
2197 int CDECL fclose(FILE* file)
2198 {
2199 int r, flag;
2200
2201 _lock_file(file);
2202 flag = file->_flag;
2203 free(file->_tmpfname);
2204 file->_tmpfname = NULL;
2205 /* flush stdio buffers */
2206 if(file->_flag & _IOWRT)
2207 fflush(file);
2208 if(file->_flag & _IOMYBUF)
2209 free(file->_base);
2210
2211 r=_close(file->_file);
2212
2213 file->_flag = 0;
2214 _unlock_file(file);
2215 if(file<_iob || file>=_iob+_IOB_ENTRIES)
2216 DeleteCriticalSection(&((file_crit*)file)->crit);
2217
2218 if(file == get_file(stream_idx-1)) {
2219 while(stream_idx>3 && !file->_flag) {
2220 stream_idx--;
2221 file = get_file(stream_idx-1);
2222 }
2223 }
2224
2225 return ((r == -1) || (flag & _IOERR) ? EOF : 0);
2226 }
2227
2228 /*********************************************************************
2229 * feof (MSVCRT.@)
2230 */
2231 int CDECL feof(FILE* file)
2232 {
2233 int ret;
2234
2235 _lock_file(file);
2236 ret = file->_flag & _IOEOF;
2237 _unlock_file(file);
2238
2239 return ret;
2240 }
2241
2242 /*********************************************************************
2243 * ferror (MSVCRT.@)
2244 */
2245 int CDECL ferror(FILE* file)
2246 {
2247 int ret;
2248
2249 _lock_file(file);
2250 ret = file->_flag & _IOERR;
2251 _unlock_file(file);
2252
2253 return ret;
2254 }
2255
2256 /*********************************************************************
2257 * _filbuf (MSVCRT.@)
2258 */
2259 int CDECL _filbuf(FILE* file)
2260 {
2261 unsigned char c;
2262 _lock_file(file);
2263
2264 /* Allocate buffer if needed */
2265 if(file->_bufsiz == 0 && !(file->_flag & _IONBF))
2266 alloc_buffer(file);
2267
2268 if(!(file->_flag & _IOREAD)) {
2269 if(file->_flag & _IORW)
2270 file->_flag |= _IOREAD;
2271 else {
2272 _unlock_file(file);
2273 return EOF;
2274 }
2275 }
2276
2277 if(file->_flag & _IONBF) {
2278 int r;
2279 if ((r = read_i(file->_file,&c,1)) != 1) {
2280 file->_flag |= (r == 0) ? _IOEOF : _IOERR;
2281 _unlock_file(file);
2282 return EOF;
2283 }
2284
2285 _unlock_file(file);
2286 return c;
2287 } else {
2288 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
2289 if(file->_cnt<=0) {
2290 file->_flag |= (file->_cnt == 0) ? _IOEOF : _IOERR;
2291 file->_cnt = 0;
2292 _unlock_file(file);
2293 return EOF;
2294 }
2295
2296 file->_cnt--;
2297 file->_ptr = file->_base+1;
2298 c = *(unsigned char *)file->_base;
2299 _unlock_file(file);
2300 return c;
2301 }
2302 }
2303
2304 /*********************************************************************
2305 * fgetc (MSVCRT.@)
2306 */
2307 int CDECL fgetc(FILE* file)
2308 {
2309 unsigned char *i;
2310 unsigned int j;
2311
2312 _lock_file(file);
2313 if (file->_cnt>0) {
2314 file->_cnt--;
2315 i = (unsigned char *)file->_ptr++;
2316 j = *i;
2317 } else
2318 j = _filbuf(file);
2319
2320 _unlock_file(file);
2321 return j;
2322 }
2323
2324 /*********************************************************************
2325 * _fgetchar (MSVCRT.@)
2326 */
2327 int CDECL _fgetchar(void)
2328 {
2329 return fgetc(stdin);
2330 }
2331
2332 /*********************************************************************
2333 * fgets (MSVCRT.@)
2334 */
2335 char * CDECL fgets(char *s, int size, FILE* file)
2336 {
2337 int cc = EOF;
2338 char * buf_start = s;
2339
2340 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2341 file,file->_file,s,size);
2342
2343 _lock_file(file);
2344
2345 while ((size >1) && (cc = fgetc(file)) != EOF && cc != '\n')
2346 {
2347 *s++ = (char)cc;
2348 size --;
2349 }
2350 if ((cc == EOF) && (s == buf_start)) /* If nothing read, return 0*/
2351 {
2352 TRACE(":nothing read\n");
2353 _unlock_file(file);
2354 return NULL;
2355 }
2356 if ((cc != EOF) && (size > 1))
2357 *s++ = cc;
2358 *s = '\0';
2359 TRACE(":got %s\n", debugstr_a(buf_start));
2360 _unlock_file(file);
2361 return buf_start;
2362 }
2363
2364 /*********************************************************************
2365 * fgetwc (MSVCRT.@)
2366 *
2367 * In _O_TEXT mode, multibyte characters are read from the file, dropping
2368 * the CR from CR/LF combinations
2369 */
2370 wint_t CDECL fgetwc(FILE* file)
2371 {
2372 int c;
2373
2374 _lock_file(file);
2375 if (!(get_ioinfo(file->_file)->wxflag & WX_TEXT))
2376 {
2377 wchar_t wc;
2378 unsigned int i;
2379 int j;
2380 char *chp, *wcp;
2381 wcp = (char *)&wc;
2382 for(i=0; i<sizeof(wc); i++)
2383 {
2384 if (file->_cnt>0)
2385 {
2386 file->_cnt--;
2387 chp = file->_ptr++;
2388 wcp[i] = *chp;
2389 }
2390 else
2391 {
2392 j = _filbuf(file);
2393 if(file->_cnt<=0)
2394 {
2395 file->_flag |= (file->_cnt == 0) ? _IOEOF : _IOERR;
2396 file->_cnt = 0;
2397
2398 _unlock_file(file);
2399 return WEOF;
2400 }
2401 wcp[i] = j;
2402 }
2403 }
2404
2405 _unlock_file(file);
2406 return wc;
2407 }
2408
2409 c = fgetc(file);
2410 if ((__mb_cur_max > 1) && isleadbyte(c))
2411 {
2412 FIXME("Treat Multibyte characters\n");
2413 }
2414
2415 _unlock_file(file);
2416 if (c == EOF)
2417 return WEOF;
2418 else
2419 return (wint_t)c;
2420 }
2421
2422 /*********************************************************************
2423 * _getw (MSVCRT.@)
2424 */
2425 int CDECL _getw(FILE* file)
2426 {
2427 char *ch;
2428 int i, k;
2429 unsigned int j;
2430 ch = (char *)&i;
2431
2432 _lock_file(file);
2433 for (j=0; j<sizeof(int); j++) {
2434 k = fgetc(file);
2435 if (k == EOF) {
2436 file->_flag |= _IOEOF;
2437 _unlock_file(file);
2438 return EOF;
2439 }
2440 ch[j] = k;
2441 }
2442
2443 _unlock_file(file);
2444 return i;
2445 }
2446
2447 /*********************************************************************
2448 * getwc (MSVCRT.@)
2449 */
2450 wint_t CDECL getwc(FILE* file)
2451 {
2452 return fgetwc(file);
2453 }
2454
2455 /*********************************************************************
2456 * _fgetwchar (MSVCRT.@)
2457 */
2458 wint_t CDECL _fgetwchar(void)
2459 {
2460 return fgetwc(stdin);
2461 }
2462
2463 /*********************************************************************
2464 * getwchar (MSVCRT.@)
2465 */
2466 wint_t CDECL getwchar(void)
2467 {
2468 return _fgetwchar();
2469 }
2470
2471 /*********************************************************************
2472 * fgetws (MSVCRT.@)
2473 */
2474 wchar_t * CDECL fgetws(wchar_t *s, int size, FILE* file)
2475 {
2476 int cc = WEOF;
2477 wchar_t * buf_start = s;
2478
2479 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2480 file,file->_file,s,size);
2481
2482 _lock_file(file);
2483
2484 while ((size >1) && (cc = fgetwc(file)) != WEOF && cc != '\n')
2485 {
2486 *s++ = (char)cc;
2487 size --;
2488 }
2489 if ((cc == WEOF) && (s == buf_start)) /* If nothing read, return 0*/
2490 {
2491 TRACE(":nothing read\n");
2492 _unlock_file(file);
2493 return NULL;
2494 }
2495 if ((cc != WEOF) && (size > 1))
2496 *s++ = cc;
2497 *s = 0;
2498 TRACE(":got %s\n", debugstr_w(buf_start));
2499 _unlock_file(file);
2500 return buf_start;
2501 }
2502
2503 /*********************************************************************
2504 * fwrite (MSVCRT.@)
2505 */
2506 size_t CDECL fwrite(const void *ptr, size_t size, size_t nmemb, FILE* file)
2507 {
2508 size_t wrcnt=size * nmemb;
2509 int written = 0;
2510 if (size == 0)
2511 return 0;
2512
2513 _lock_file(file);
2514 if(file->_cnt) {
2515 int pcnt=((unsigned)file->_cnt>wrcnt)? wrcnt: file->_cnt;
2516 memcpy(file->_ptr, ptr, pcnt);
2517 file->_cnt -= pcnt;
2518 file->_ptr += pcnt;
2519 written = pcnt;
2520 wrcnt -= pcnt;
2521 ptr = (const char*)ptr + pcnt;
2522 } else if(!(file->_flag & _IOWRT)) {
2523 if(file->_flag & _IORW) {
2524 file->_flag |= _IOWRT;
2525 } else {
2526 _unlock_file(file);
2527 return 0;
2528 }
2529 }
2530 if(wrcnt) {
2531 /* Flush buffer */
2532 int res=flush_buffer(file);
2533 if(!res) {
2534 int pwritten = _write(file->_file, ptr, wrcnt);
2535 if (pwritten <= 0)
2536 {
2537 file->_flag |= _IOERR;
2538 pwritten=0;
2539 }
2540 written += pwritten;
2541 }
2542 }
2543
2544 _unlock_file(file);
2545 return written / size;
2546 }
2547
2548 /*********************************************************************
2549 * fputwc (MSVCRT.@)
2550 * FORKED for ReactOS, don't sync with Wine!
2551 * References:
2552 * - http://jira.reactos.org/browse/CORE-6495
2553 * - http://bugs.winehq.org/show_bug.cgi?id=8598
2554 */
2555 wint_t CDECL fputwc(wchar_t c, FILE* stream)
2556 {
2557 /* If this is a real file stream (and not some temporary one for
2558 sprintf-like functions), check whether it is opened in text mode.
2559 In this case, we have to perform an implicit conversion to ANSI. */
2560 if (!(stream->_flag & _IOSTRG) && get_ioinfo(stream->_file)->wxflag & WX_TEXT)
2561 {
2562 /* Convert to multibyte in text mode */
2563 char mbc[MB_LEN_MAX];
2564 int mb_return;
2565
2566 mb_return = wctomb(mbc, c);
2567
2568 if(mb_return == -1)
2569 return WEOF;
2570
2571 /* Output all characters */
2572 if (fwrite(mbc, mb_return, 1, stream) != 1)
2573 return WEOF;
2574 }
2575 else
2576 {
2577 if (fwrite(&c, sizeof(c), 1, stream) != 1)
2578 return WEOF;
2579 }
2580
2581 return c;
2582 }
2583
2584 /*********************************************************************
2585 * _fputwchar (MSVCRT.@)
2586 */
2587 wint_t CDECL _fputwchar(wint_t wc)
2588 {
2589 return fputwc(wc, stdout);
2590 }
2591
2592 /*********************************************************************
2593 * _wfsopen (MSVCRT.@)
2594 */
2595 FILE * CDECL _wfsopen(const wchar_t *path, const wchar_t *mode, int share)
2596 {
2597 FILE* file;
2598 int open_flags, stream_flags, fd;
2599
2600 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
2601
2602 /* map mode string to open() flags. "man fopen" for possibilities. */
2603 if (get_flags(mode, &open_flags, &stream_flags) == -1)
2604 return NULL;
2605
2606 LOCK_FILES();
2607 fd = _wsopen(path, open_flags, share, _S_IREAD | _S_IWRITE);
2608 if (fd < 0)
2609 file = NULL;
2610 else if ((file = alloc_fp()) && init_fp(file, fd, stream_flags)
2611 != -1)
2612 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
2613 else if (file)
2614 {
2615 file->_flag = 0;
2616 file = NULL;
2617 }
2618
2619 TRACE(":got (%p)\n",file);
2620 if (fd >= 0 && !file)
2621 _close(fd);
2622 UNLOCK_FILES();
2623 return file;
2624 }
2625
2626 /*********************************************************************
2627 * _fsopen (MSVCRT.@)
2628 */
2629 FILE * CDECL _fsopen(const char *path, const char *mode, int share)
2630 {
2631 FILE *ret;
2632 wchar_t *pathW = NULL, *modeW = NULL;
2633
2634 if (path && !(pathW = msvcrt_wstrdupa(path))) {
2635 _invalid_parameter(NULL, NULL, NULL, 0, 0);
2636 *_errno() = EINVAL;
2637 return NULL;
2638 }
2639 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
2640 {
2641 free(pathW);
2642 _invalid_parameter(NULL, NULL, NULL, 0, 0);
2643 *_errno() = EINVAL;
2644 return NULL;
2645 }
2646
2647 ret = _wfsopen(pathW, modeW, share);
2648
2649 free(pathW);
2650 free(modeW);
2651 return ret;
2652 }
2653
2654 /*********************************************************************
2655 * fopen (MSVCRT.@)
2656 */
2657 FILE * CDECL fopen(const char *path, const char *mode)
2658 {
2659 return _fsopen( path, mode, _SH_DENYNO );
2660 }
2661
2662 /*********************************************************************
2663 * fopen_s (MSVCRT.@)
2664 */
2665 int CDECL fopen_s(FILE** pFile,
2666 const char *filename, const char *mode)
2667 {
2668 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
2669 !MSVCRT_CHECK_PMT(mode != NULL)) {
2670 *_errno() = EINVAL;
2671 return EINVAL;
2672 }
2673
2674 *pFile = fopen(filename, mode);
2675
2676 if(!*pFile)
2677 return *_errno();
2678 return 0;
2679 }
2680
2681 /*********************************************************************
2682 * _wfopen (MSVCRT.@)
2683 */
2684 FILE * CDECL _wfopen(const wchar_t *path, const wchar_t *mode)
2685 {
2686 return _wfsopen( path, mode, _SH_DENYNO );
2687 }
2688
2689 /*********************************************************************
2690 * _wfopen_s (MSVCRT.@)
2691 */
2692 int CDECL _wfopen_s(FILE** pFile, const wchar_t *filename,
2693 const wchar_t *mode)
2694 {
2695 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
2696 !MSVCRT_CHECK_PMT(mode != NULL)) {
2697 *_errno() = EINVAL;
2698 return EINVAL;
2699 }
2700
2701 *pFile = _wfopen(filename, mode);
2702
2703 if(!*pFile)
2704 return *_errno();
2705 return 0;
2706 }
2707
2708 /* fputc calls _flsbuf which calls fputc */
2709 int CDECL _flsbuf(int c, FILE* file);
2710
2711 /*********************************************************************
2712 * fputc (MSVCRT.@)
2713 */
2714 int CDECL fputc(int c, FILE* file)
2715 {
2716 int res;
2717
2718 _lock_file(file);
2719 if(file->_cnt>0) {
2720 *file->_ptr++=c;
2721 file->_cnt--;
2722 if (c == '\n')
2723 {
2724 res = flush_buffer(file);
2725 _unlock_file(file);
2726 return res ? res : c;
2727 }
2728 else {
2729 _unlock_file(file);
2730 return c & 0xff;
2731 }
2732 } else {
2733 res = _flsbuf(c, file);
2734 _unlock_file(file);
2735 return res;
2736 }
2737 }
2738
2739 /*********************************************************************
2740 * _fputchar (MSVCRT.@)
2741 */
2742 int CDECL _fputchar(int c)
2743 {
2744 return fputc(c, stdout);
2745 }
2746
2747 /*********************************************************************
2748 * fread (MSVCRT.@)
2749 */
2750 size_t CDECL fread(void *ptr, size_t size, size_t nmemb, FILE* file)
2751 {
2752 size_t rcnt=size * nmemb;
2753 size_t read=0;
2754 int pread=0;
2755
2756 if(!rcnt)
2757 return 0;
2758
2759 _lock_file(file);
2760
2761 /* first buffered data */
2762 if(file->_cnt>0) {
2763 int pcnt= (rcnt>(unsigned int)file->_cnt)? file->_cnt:rcnt;
2764 memcpy(ptr, file->_ptr, pcnt);
2765 file->_cnt -= pcnt;
2766 file->_ptr += pcnt;
2767 read += pcnt ;
2768 rcnt -= pcnt ;
2769 ptr = (char*)ptr + pcnt;
2770 } else if(!(file->_flag & _IOREAD )) {
2771 if(file->_flag & _IORW) {
2772 file->_flag |= _IOREAD;
2773 } else {
2774 _unlock_file(file);
2775 return 0;
2776 }
2777 }
2778 while(rcnt>0)
2779 {
2780 int i;
2781 /* Fill the buffer on small reads.
2782 * TODO: Use a better buffering strategy.
2783 */
2784 if (!file->_cnt && size*nmemb <= BUFSIZ/2 && !(file->_flag & _IONBF)) {
2785 if (file->_bufsiz == 0) {
2786 alloc_buffer(file);
2787 }
2788 file->_cnt = _read(file->_file, file->_base, file->_bufsiz);
2789 file->_ptr = file->_base;
2790 i = ((unsigned int)file->_cnt<rcnt) ? file->_cnt : rcnt;
2791 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
2792 if (i > 0 && i < file->_cnt) {
2793 get_ioinfo(file->_file)->wxflag &= ~WX_ATEOF;
2794 file->_flag &= ~_IOEOF;
2795 }
2796 if (i > 0) {
2797 memcpy(ptr, file->_ptr, i);
2798 file->_cnt -= i;
2799 file->_ptr += i;
2800 }
2801 } else {
2802 i = _read(file->_file,ptr, rcnt);
2803 }
2804 pread += i;
2805 rcnt -= i;
2806 ptr = (char *)ptr+i;
2807 /* expose feof condition in the flags
2808 * MFC tests file->_flag for feof, and doesn't call feof())
2809 */
2810 if (get_ioinfo(file->_file)->wxflag & WX_ATEOF)
2811 file->_flag |= _IOEOF;
2812 else if (i == -1)
2813 {
2814 file->_flag |= _IOERR;
2815 pread = 0;
2816 rcnt = 0;
2817 }
2818 if (i < 1) break;
2819 }
2820 read+=pread;
2821 _unlock_file(file);
2822 return read / size;
2823 }
2824
2825 /*********************************************************************
2826 * _wfreopen (MSVCRT.@)
2827 *
2828 */
2829 FILE* CDECL _wfreopen(const wchar_t *path, const wchar_t *mode, FILE* file)
2830 {
2831 int open_flags, stream_flags, fd;
2832
2833 TRACE(":path (%p) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file ? file->_file : -1);
2834
2835 LOCK_FILES();
2836 if (!file || ((fd = file->_file) < 0) || fd > fdend)
2837 file = NULL;
2838 else
2839 {
2840 fclose(file);
2841 /* map mode string to open() flags. "man fopen" for possibilities. */
2842 if (get_flags(mode, &open_flags, &stream_flags) == -1)
2843 file = NULL;
2844 else
2845 {
2846 fd = _wopen(path, open_flags, _S_IREAD | _S_IWRITE);
2847 if (fd < 0)
2848 file = NULL;
2849 else if (init_fp(file, fd, stream_flags) == -1)
2850 {
2851 file->_flag = 0;
2852 WARN(":failed-last error (%d)\n",GetLastError());
2853 _dosmaperr(GetLastError());
2854 file = NULL;
2855 }
2856 }
2857 }
2858 UNLOCK_FILES();
2859 return file;
2860 }
2861
2862 /*********************************************************************
2863 * freopen (MSVCRT.@)
2864 *
2865 */
2866 FILE* CDECL freopen(const char *path, const char *mode, FILE* file)
2867 {
2868 FILE *ret;
2869 wchar_t *pathW = NULL, *modeW = NULL;
2870
2871 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
2872 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
2873 {
2874 free(pathW);
2875 return NULL;
2876 }
2877
2878 ret = _wfreopen(pathW, modeW, file);
2879
2880 free(pathW);
2881 free(modeW);
2882 return ret;
2883 }
2884
2885 /*********************************************************************
2886 * fsetpos (MSVCRT.@)
2887 */
2888 int CDECL fsetpos(FILE* file, const fpos_t *pos)
2889 {
2890 int ret;
2891
2892 _lock_file(file);
2893 /* Note that all this has been lifted 'as is' from fseek */
2894 if(file->_flag & _IOWRT)
2895 flush_buffer(file);
2896
2897 /* Discard buffered input */
2898 file->_cnt = 0;
2899 file->_ptr = file->_base;
2900
2901 /* Reset direction of i/o */
2902 if(file->_flag & _IORW) {
2903 file->_flag &= ~(_IOREAD|_IOWRT);
2904 }
2905
2906 ret = (_lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
2907 _unlock_file(file);
2908 return ret;
2909 }
2910
2911 /*********************************************************************
2912 * _ftelli64 (MSVCRT.@)
2913 */
2914 __int64 CDECL _ftelli64(FILE* file)
2915 {
2916 __int64 pos;
2917
2918 _lock_file(file);
2919 pos = _telli64(file->_file);
2920 if(pos == -1) {
2921 _unlock_file(file);
2922 return -1;
2923 }
2924 if(file->_bufsiz) {
2925 if(file->_flag & _IOWRT) {
2926 pos += file->_ptr - file->_base;
2927
2928 if(get_ioinfo(file->_file)->wxflag & WX_TEXT) {
2929 char *p;
2930
2931 for(p=file->_base; p<file->_ptr; p++)
2932 if(*p == '\n')
2933 pos++;
2934 }
2935 } else if(!file->_cnt) { /* nothing to do */
2936 } else if(_lseeki64(file->_file, 0, SEEK_END)==pos) {
2937 int i;
2938
2939 pos -= file->_cnt;
2940 if(get_ioinfo(file->_file)->wxflag & WX_TEXT) {
2941 for(i=0; i<file->_cnt; i++)
2942 if(file->_ptr[i] == '\n')
2943 pos--;
2944 }
2945 } else {
2946 char *p;
2947
2948 if(_lseeki64(file->_file, pos, SEEK_SET) != pos) {
2949 _unlock_file(file);
2950 return -1;
2951 }
2952
2953 pos -= file->_bufsiz;
2954 pos += file->_ptr - file->_base;
2955
2956 if(get_ioinfo(file->_file)->wxflag & WX_TEXT) {
2957 if(get_ioinfo(file->_file)->wxflag & WX_READNL)
2958 pos--;
2959
2960 for(p=file->_base; p<file->_ptr; p++)
2961 if(*p == '\n')
2962 pos++;
2963 }
2964 }
2965 }
2966
2967 _unlock_file(file);
2968 return pos;
2969 }
2970
2971 /*********************************************************************
2972 * ftell (MSVCRT.@)
2973 */
2974 LONG CDECL ftell(FILE* file)
2975 {
2976 return (LONG)_ftelli64(file);
2977 }
2978
2979 /*********************************************************************
2980 * fgetpos (MSVCRT.@)
2981 */
2982 int CDECL fgetpos(FILE* file, fpos_t *pos)
2983 {
2984 int off=0;
2985
2986 _lock_file(file);
2987 *pos = _lseeki64(file->_file,0,SEEK_CUR);
2988 if(*pos == -1) {
2989 _unlock_file(file);
2990 return -1;
2991 }
2992 if(file->_bufsiz) {
2993 if( file->_flag & _IOWRT ) {
2994 off = file->_ptr - file->_base;
2995 } else {
2996 off = -file->_cnt;
2997 if (get_ioinfo(file->_file)->wxflag & WX_TEXT) {
2998 /* Black magic correction for CR removal */
2999 int i;
3000 for (i=0; i<file->_cnt; i++) {
3001 if (file->_ptr[i] == '\n')
3002 off--;
3003 }
3004 /* Black magic when reading CR at buffer boundary*/
3005 if(get_ioinfo(file->_file)->wxflag & WX_READCR)
3006 off--;
3007 }
3008 }
3009 }
3010 *pos += off;
3011 _unlock_file(file);
3012 return 0;
3013 }
3014
3015 /*********************************************************************
3016 * fputs (MSVCRT.@)
3017 */
3018 int CDECL fputs(const char *s, FILE* file)
3019 {
3020 size_t i, len = strlen(s);
3021 int ret;
3022
3023 _lock_file(file);
3024 if (!(get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3025 ret = fwrite(s,sizeof(*s),len,file) == len ? 0 : EOF;
3026 _unlock_file(file);
3027 return ret;
3028 }
3029 for (i=0; i<len; i++)
3030 if (fputc(s[i], file) == EOF) {
3031 _unlock_file(file);
3032 return EOF;
3033 }
3034
3035 _unlock_file(file);
3036 return 0;
3037 }
3038
3039 /*********************************************************************
3040 * fputws (MSVCRT.@)
3041 */
3042 int CDECL fputws(const wchar_t *s, FILE* file)
3043 {
3044 size_t i, len = strlenW(s);
3045 int ret;
3046
3047 _lock_file(file);
3048 if (!(get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
3049 ret = fwrite(s,sizeof(*s),len,file) == len ? 0 : EOF;
3050 _unlock_file(file);
3051 return ret;
3052 }
3053 for (i=0; i<len; i++) {
3054 if (((s[i] == '\n') && (fputc('\r', file) == EOF))
3055 || fputwc(s[i], file) == WEOF) {
3056 _unlock_file(file);
3057 return WEOF;
3058 }
3059 }
3060
3061 _unlock_file(file);
3062 return 0;
3063 }
3064
3065 /*********************************************************************
3066 * getchar (MSVCRT.@)
3067 */
3068 int CDECL getchar(void)
3069 {
3070 return fgetc(stdin);
3071 }
3072
3073 /*********************************************************************
3074 * getc (MSVCRT.@)
3075 */
3076 int CDECL getc(FILE* file)
3077 {
3078 return fgetc(file);
3079 }
3080
3081 /*********************************************************************
3082 * gets (MSVCRT.@)
3083 */
3084 char * CDECL gets(char *buf)
3085 {
3086 int cc;
3087 char * buf_start = buf;
3088
3089 _lock_file(stdin);
3090 for(cc = fgetc(stdin); cc != EOF && cc != '\n';
3091 cc = fgetc(stdin))
3092 if(cc != '\r') *buf++ = (char)cc;
3093
3094 *buf = '\0';
3095
3096 TRACE("got '%s'\n", buf_start);
3097 _unlock_file(stdin);
3098 return buf_start;
3099 }
3100
3101 /*********************************************************************
3102 * _getws (MSVCRT.@)
3103 */
3104 wchar_t* CDECL _getws(wchar_t* buf)
3105 {
3106 wint_t cc;
3107 wchar_t* ws = buf;
3108
3109 _lock_file(stdin);
3110 for (cc = fgetwc(stdin); cc != WEOF && cc != '\n';
3111 cc = fgetwc(stdin))
3112 {
3113 if (cc != '\r')
3114 *buf++ = (wchar_t)cc;
3115 }
3116 *buf = '\0';
3117
3118 TRACE("got %s\n", debugstr_w(ws));
3119 _unlock_file(stdin);
3120 return ws;
3121 }
3122
3123 /*********************************************************************
3124 * putc (MSVCRT.@)
3125 */
3126 int CDECL putc(int c, FILE* file)
3127 {
3128 return fputc(c, file);
3129 }
3130
3131 /*********************************************************************
3132 * putchar (MSVCRT.@)
3133 */
3134 int CDECL putchar(int c)
3135 {
3136 return fputc(c, stdout);
3137 }
3138
3139 /*********************************************************************
3140 * _putwch (MSVCRT.@)
3141 */
3142 wint_t CDECL _putwch(wchar_t c)
3143 {
3144 return fputwc(c, stdout);
3145 }
3146
3147 /*********************************************************************
3148 * puts (MSVCRT.@)
3149 */
3150 int CDECL puts(const char *s)
3151 {
3152 size_t len = strlen(s);
3153 int ret;
3154
3155 _lock_file(stdout);
3156 if(fwrite(s, sizeof(*s), len, stdout) != len) {
3157 _unlock_file(stdout);
3158 return EOF;
3159 }
3160
3161 ret = fwrite("\n",1,1,stdout) == 1 ? 0 : EOF;
3162 _unlock_file(stdout);
3163 return ret;
3164 }
3165
3166 /*********************************************************************
3167 * _putws (MSVCRT.@)
3168 */
3169 int CDECL _putws(const wchar_t *s)
3170 {
3171 static const wchar_t nl = '\n';
3172 size_t len = strlenW(s);
3173 int ret;
3174
3175 _lock_file(stdout);
3176 if(fwrite(s, sizeof(*s), len, stdout) != len) {
3177 _unlock_file(stdout);
3178 return EOF;
3179 }
3180
3181 ret = fwrite(&nl,sizeof(nl),1,stdout) == 1 ? 0 : EOF;
3182 _unlock_file(stdout);
3183 return ret;
3184 }
3185
3186 /*********************************************************************
3187 * remove (MSVCRT.@)
3188 */
3189 int CDECL remove(const char *path)
3190 {
3191 TRACE("(%s)\n",path);
3192 if (DeleteFileA(path))
3193 return 0;
3194 TRACE(":failed (%d)\n",GetLastError());
3195 _dosmaperr(GetLastError());
3196 return -1;
3197 }
3198
3199 /*********************************************************************
3200 * _wremove (MSVCRT.@)
3201 */
3202 int CDECL _wremove(const wchar_t *path)
3203 {
3204 TRACE("(%s)\n",debugstr_w(path));
3205 if (DeleteFileW(path))
3206 return 0;
3207 TRACE(":failed (%d)\n",GetLastError());
3208 _dosmaperr(GetLastError());
3209 return -1;
3210 }
3211
3212 /*********************************************************************
3213 * rename (MSVCRT.@)
3214 */
3215 int CDECL rename(const char *oldpath,const char *newpath)
3216 {
3217 TRACE(":from %s to %s\n",oldpath,newpath);
3218 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3219 return 0;
3220 TRACE(":failed (%d)\n",GetLastError());
3221 _dosmaperr(GetLastError());
3222 return -1;
3223 }
3224
3225 /*********************************************************************
3226 * _wrename (MSVCRT.@)
3227 */
3228 int CDECL _wrename(const wchar_t *oldpath,const wchar_t *newpath)
3229 {
3230 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
3231 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3232 return 0;
3233 TRACE(":failed (%d)\n",GetLastError());
3234 _dosmaperr(GetLastError());
3235 return -1;
3236 }
3237
3238 /*********************************************************************
3239 * setvbuf (MSVCRT.@)
3240 */
3241 int CDECL setvbuf(FILE* file, char *buf, int mode, size_t size)
3242 {
3243 _lock_file(file);
3244 if(file->_bufsiz) {
3245 free(file->_base);
3246 file->_bufsiz = 0;
3247 file->_cnt = 0;
3248 }
3249 if(mode == _IOFBF) {
3250 file->_flag &= ~_IONBF;
3251 file->_base = file->_ptr = buf;
3252 if(buf) {
3253 file->_bufsiz = size;
3254 }
3255 } else {
3256 file->_flag |= _IONBF;
3257 }
3258 _unlock_file(file);
3259 return 0;
3260 }
3261
3262 /*********************************************************************
3263 * setbuf (MSVCRT.@)
3264 */
3265 void CDECL setbuf(FILE* file, char *buf)
3266 {
3267 setvbuf(file, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
3268 }
3269
3270 /*********************************************************************
3271 * tmpnam (MSVCRT.@)
3272 */
3273 char * CDECL tmpnam(char *s)
3274 {
3275 char tmpstr[16];
3276 char *p;
3277 int count, size;
3278
3279 if (!s) {
3280 thread_data_t *data = msvcrt_get_thread_data();
3281
3282 if(!data->tmpnam_buffer)
3283 data->tmpnam_buffer = malloc(MAX_PATH);
3284
3285 s = data->tmpnam_buffer;
3286 }
3287
3288 int_to_base32(GetCurrentProcessId(), tmpstr);
3289 p = s + sprintf(s, "\\s%s.", tmpstr);
3290 for (count = 0; count < TMP_MAX; count++)
3291 {
3292 size = int_to_base32(tmpnam_unique++, tmpstr);
3293 memcpy(p, tmpstr, size);
3294 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
3295 GetLastError() == ERROR_FILE_NOT_FOUND)
3296 break;
3297 }
3298 return s;
3299 }
3300
3301 /*********************************************************************
3302 * _wtmpnam (MSVCRT.@)
3303 */
3304 wchar_t * CDECL _wtmpnam(wchar_t *s)
3305 {
3306 static const wchar_t format[] = {'\\','s','%','s','.',0};
3307 wchar_t tmpstr[16];
3308 wchar_t *p;
3309 int count, size;
3310 if (!s) {
3311 thread_data_t *data = msvcrt_get_thread_data();
3312
3313 if(!data->wtmpnam_buffer)
3314 data->wtmpnam_buffer = malloc(sizeof(wchar_t[MAX_PATH]));
3315
3316 s = data->wtmpnam_buffer;
3317 }
3318
3319 int_to_base32_w(GetCurrentProcessId(), tmpstr);
3320 p = s + _snwprintf(s, MAX_PATH, format, tmpstr);
3321 for (count = 0; count < TMP_MAX; count++)
3322 {
3323 size = int_to_base32_w(tmpnam_unique++, tmpstr);
3324 memcpy(p, tmpstr, size*sizeof(wchar_t));
3325 if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
3326 GetLastError() == ERROR_FILE_NOT_FOUND)
3327 break;
3328 }
3329 return s;
3330 }
3331
3332 /*********************************************************************
3333 * tmpfile (MSVCRT.@)
3334 */
3335 FILE* CDECL tmpfile(void)
3336 {
3337 char *filename = tmpnam(NULL);
3338 int fd;
3339 FILE* file = NULL;
3340
3341 LOCK_FILES();
3342 fd = _open(filename, _O_CREAT | _O_BINARY | _O_RDWR | _O_TEMPORARY);
3343 if (fd != -1 && (file = alloc_fp()))
3344 {
3345 if (init_fp(file, fd, _O_RDWR) == -1)
3346 {
3347 file->_flag = 0;
3348 file = NULL;
3349 }
3350 else file->_tmpfname = _strdup(filename);
3351 }
3352 UNLOCK_FILES();
3353 return file;
3354 }
3355
3356 /*********************************************************************
3357 * ungetc (MSVCRT.@)
3358 */
3359 int CDECL ungetc(int c, FILE * file)
3360 {
3361 if (c == EOF)
3362 return EOF;
3363
3364 _lock_file(file);
3365 if(file->_bufsiz == 0) {
3366 alloc_buffer(file);
3367 file->_ptr++;
3368 }
3369 if(file->_ptr>file->_base) {
3370 file->_ptr--;
3371 *file->_ptr=c;
3372 file->_cnt++;
3373 clearerr(file);
3374 _unlock_file(file);
3375 return c;
3376 }
3377
3378 _unlock_file(file);
3379 return EOF;
3380 }
3381
3382 /*********************************************************************
3383 * ungetwc (MSVCRT.@)
3384 */
3385 wint_t CDECL ungetwc(wint_t wc, FILE * file)
3386 {
3387 wchar_t mwc = wc;
3388 char * pp = (char *)&mwc;
3389 int i;
3390
3391 _lock_file(file);
3392 for(i=sizeof(wchar_t)-1;i>=0;i--) {
3393 if(pp[i] != ungetc(pp[i],file)) {
3394 _unlock_file(file);
3395 return WEOF;
3396 }
3397 }
3398
3399 _unlock_file(file);
3400 return mwc;
3401 }
3402
3403
3404
3405 /*********************************************************************
3406 * _getmaxstdio (MSVCRT.@)
3407 */
3408 int CDECL _getmaxstdio(void)
3409 {
3410 return max_streams;
3411 }
3412
3413 /*********************************************************************
3414 * _setmaxstdio (MSVCRT.@)
3415 */
3416 int CDECL _setmaxstdio(int newmax)
3417 {
3418 TRACE("%d\n", newmax);
3419
3420 if(newmax<_IOB_ENTRIES || newmax>MAX_FILES || newmax<stream_idx)
3421 return -1;
3422
3423 max_streams = newmax;
3424 return max_streams;
3425 }
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