Prefix _fsopen with MSVCRT_ to avoid collision with MinGW header.
[wine/wine-kai.git] / dlls / msvcrt / file.c
blobd6820f67e93dc72424a775d888272b0b93848aeb
1 /*
2 * msvcrt.dll file functions
4 * Copyright 1996,1998 Marcus Meissner
5 * Copyright 1996 Jukka Iivonen
6 * Copyright 1997,2000 Uwe Bonnes
7 * Copyright 2000 Jon Griffiths
8 * Copyright 2004 Eric Pouech
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "config.h"
26 #include "wine/port.h"
28 #include <time.h>
29 #include <stdarg.h>
30 #include <stdio.h>
31 #ifdef HAVE_UNISTD_H
32 # include <unistd.h>
33 #endif
34 #include <sys/types.h>
36 #include "windef.h"
37 #include "winbase.h"
38 #include "winreg.h"
39 #include "winternl.h"
40 #include "msvcrt.h"
42 #include "wine/unicode.h"
44 #include "wine/debug.h"
46 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
48 /* for stat mode, permissions apply to all,owner and group */
49 #define ALL_S_IREAD (MSVCRT__S_IREAD | (MSVCRT__S_IREAD >> 3) | (MSVCRT__S_IREAD >> 6))
50 #define ALL_S_IWRITE (MSVCRT__S_IWRITE | (MSVCRT__S_IWRITE >> 3) | (MSVCRT__S_IWRITE >> 6))
51 #define ALL_S_IEXEC (MSVCRT__S_IEXEC | (MSVCRT__S_IEXEC >> 3) | (MSVCRT__S_IEXEC >> 6))
53 /* _access() bit flags FIXME: incomplete */
54 #define MSVCRT_W_OK 0x02
56 /* values for wxflag in file descriptor */
57 #define WX_OPEN 0x01
58 #define WX_ATEOF 0x02
59 #define WX_DONTINHERIT 0x10
60 #define WX_APPEND 0x20
61 #define WX_TEXT 0x80
63 /* FIXME: Make this dynamic */
64 #define MSVCRT_MAX_FILES 257
66 static struct {
67 HANDLE handle;
68 unsigned char wxflag;
69 } MSVCRT_fdesc[MSVCRT_MAX_FILES];
71 MSVCRT_FILE MSVCRT__iob[3];
73 static int MSVCRT_fdstart = 3; /* first unallocated fd */
74 static int MSVCRT_fdend = 3; /* highest allocated fd */
76 /* FIXME: make this dynamic */
77 static MSVCRT_FILE* MSVCRT_fstreams[1024];
78 static int MSVCRT_stream_idx;
80 /* INTERNAL: process umask */
81 static int MSVCRT_umask = 0;
83 /* INTERNAL: Static buffer for temp file name */
84 static char MSVCRT_tmpname[MAX_PATH];
86 static const unsigned int EXE = 'e' << 16 | 'x' << 8 | 'e';
87 static const unsigned int BAT = 'b' << 16 | 'a' << 8 | 't';
88 static const unsigned int CMD = 'c' << 16 | 'm' << 8 | 'd';
89 static const unsigned int COM = 'c' << 16 | 'o' << 8 | 'm';
91 #define TOUL(x) (ULONGLONG)(x)
92 static const ULONGLONG WCEXE = TOUL('e') << 32 | TOUL('x') << 16 | TOUL('e');
93 static const ULONGLONG WCBAT = TOUL('b') << 32 | TOUL('a') << 16 | TOUL('t');
94 static const ULONGLONG WCCMD = TOUL('c') << 32 | TOUL('m') << 16 | TOUL('d');
95 static const ULONGLONG WCCOM = TOUL('c') << 32 | TOUL('o') << 16 | TOUL('m');
97 extern CRITICAL_SECTION MSVCRT_file_cs;
98 #define LOCK_FILES EnterCriticalSection(&MSVCRT_file_cs)
99 #define UNLOCK_FILES LeaveCriticalSection(&MSVCRT_file_cs)
101 static void msvcrt_cp_from_stati64(const struct MSVCRT__stati64 *bufi64, struct MSVCRT__stat *buf)
103 buf->st_dev = bufi64->st_dev;
104 buf->st_ino = bufi64->st_ino;
105 buf->st_mode = bufi64->st_mode;
106 buf->st_nlink = bufi64->st_nlink;
107 buf->st_uid = bufi64->st_uid;
108 buf->st_gid = bufi64->st_gid;
109 buf->st_rdev = bufi64->st_rdev;
110 buf->st_size = bufi64->st_size;
111 buf->st_atime = bufi64->st_atime;
112 buf->st_mtime = bufi64->st_mtime;
113 buf->st_ctime = bufi64->st_ctime;
116 static inline BOOL msvcrt_is_valid_fd(int fd)
118 return fd >= 0 && fd < MSVCRT_fdend && (MSVCRT_fdesc[fd].wxflag & WX_OPEN);
121 /* INTERNAL: Get the HANDLE for a fd */
122 static HANDLE msvcrt_fdtoh(int fd)
124 if (!msvcrt_is_valid_fd(fd))
126 WARN(":fd (%d) - no handle!\n",fd);
127 *MSVCRT___doserrno() = 0;
128 *MSVCRT__errno() = MSVCRT_EBADF;
129 return INVALID_HANDLE_VALUE;
131 if (MSVCRT_fdesc[fd].handle == INVALID_HANDLE_VALUE) FIXME("wtf\n");
132 return MSVCRT_fdesc[fd].handle;
135 /* INTERNAL: free a file entry fd */
136 static void msvcrt_free_fd(int fd)
138 MSVCRT_fdesc[fd].handle = INVALID_HANDLE_VALUE;
139 MSVCRT_fdesc[fd].wxflag = 0;
140 TRACE(":fd (%d) freed\n",fd);
141 if (fd < 3) /* don't use 0,1,2 for user files */
143 switch (fd)
145 case 0: SetStdHandle(STD_INPUT_HANDLE, NULL); break;
146 case 1: SetStdHandle(STD_OUTPUT_HANDLE, NULL); break;
147 case 2: SetStdHandle(STD_ERROR_HANDLE, NULL); break;
150 else
152 if (fd == MSVCRT_fdend - 1)
153 MSVCRT_fdend--;
154 if (fd < MSVCRT_fdstart)
155 MSVCRT_fdstart = fd;
159 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
160 static int msvcrt_alloc_fd(HANDLE hand, int flag)
162 int fd = MSVCRT_fdstart;
164 TRACE(":handle (%p) allocating fd (%d)\n",hand,fd);
165 if (fd >= MSVCRT_MAX_FILES)
167 WARN(":files exhausted!\n");
168 return -1;
170 MSVCRT_fdesc[fd].handle = hand;
171 MSVCRT_fdesc[fd].wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT));
173 /* locate next free slot */
174 if (fd == MSVCRT_fdend)
175 MSVCRT_fdstart = ++MSVCRT_fdend;
176 else
177 while (MSVCRT_fdstart < MSVCRT_fdend &&
178 MSVCRT_fdesc[MSVCRT_fdstart].handle != INVALID_HANDLE_VALUE)
179 MSVCRT_fdstart++;
181 switch (fd)
183 case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
184 case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
185 case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
188 return fd;
191 /* INTERNAL: Allocate a FILE* for an fd slot
193 static MSVCRT_FILE* msvcrt_alloc_fp(void)
195 unsigned int i;
197 for (i = 3; i < sizeof(MSVCRT_fstreams) / sizeof(MSVCRT_fstreams[0]); i++)
199 if (!MSVCRT_fstreams[i] || MSVCRT_fstreams[i]->_flag == 0)
201 if (!MSVCRT_fstreams[i])
203 if (!(MSVCRT_fstreams[i] = MSVCRT_calloc(sizeof(MSVCRT_FILE),1)))
204 return NULL;
205 if (i == MSVCRT_stream_idx) MSVCRT_stream_idx++;
207 return MSVCRT_fstreams[i];
210 return NULL;
213 /* INTERNAL: initialize a FILE* from an open fd */
214 static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags)
216 TRACE(":fd (%d) allocating FILE*\n",fd);
217 if (!msvcrt_is_valid_fd(fd))
219 WARN(":invalid fd %d\n",fd);
220 *MSVCRT___doserrno() = 0;
221 *MSVCRT__errno() = MSVCRT_EBADF;
222 return -1;
224 memset(file, 0, sizeof(*file));
225 file->_file = fd;
226 file->_flag = stream_flags;
228 TRACE(":got FILE* (%p)\n",file);
229 return 0;
232 /* INTERNAL: Create an inheritance data block (for spawned process)
233 * The inheritance block is made of:
234 * 00 int nb of file descriptor (NBFD)
235 * 04 char file flags (wxflag): repeated for each fd
236 * 4+NBFD HANDLE file handle: repeated for each fd
238 unsigned msvcrt_create_io_inherit_block(STARTUPINFOA* si)
240 int fd;
241 char* wxflag_ptr;
242 HANDLE* handle_ptr;
244 si->cbReserved2 = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
245 si->lpReserved2 = MSVCRT_calloc(si->cbReserved2, 1);
246 if (!si->lpReserved2)
248 si->cbReserved2 = 0;
249 return FALSE;
251 wxflag_ptr = (char*)si->lpReserved2 + sizeof(unsigned);
252 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
254 *(unsigned*)si->lpReserved2 = MSVCRT_fdend;
255 for (fd = 0; fd < MSVCRT_fdend; fd++)
257 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
258 if ((MSVCRT_fdesc[fd].wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
260 *wxflag_ptr = MSVCRT_fdesc[fd].wxflag;
261 *handle_ptr = MSVCRT_fdesc[fd].handle;
263 else
265 *wxflag_ptr = 0;
266 *handle_ptr = INVALID_HANDLE_VALUE;
268 wxflag_ptr++; handle_ptr++;
270 return TRUE;
273 /* INTERNAL: Set up all file descriptors,
274 * as well as default streams (stdin, stderr and stdout)
276 void msvcrt_init_io(void)
278 STARTUPINFOA si;
279 int i;
281 GetStartupInfoA(&si);
282 if (si.cbReserved2 != 0 && si.lpReserved2 != NULL)
284 char* wxflag_ptr;
285 HANDLE* handle_ptr;
287 MSVCRT_fdend = *(unsigned*)si.lpReserved2;
289 wxflag_ptr = (char*)(si.lpReserved2 + sizeof(unsigned));
290 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
292 MSVCRT_fdend = min(MSVCRT_fdend, sizeof(MSVCRT_fdesc) / sizeof(MSVCRT_fdesc[0]));
293 for (i = 0; i < MSVCRT_fdend; i++)
295 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
297 MSVCRT_fdesc[i].wxflag = *wxflag_ptr;
298 MSVCRT_fdesc[i].handle = *handle_ptr;
300 else
302 MSVCRT_fdesc[i].wxflag = 0;
303 MSVCRT_fdesc[i].handle = INVALID_HANDLE_VALUE;
305 wxflag_ptr++; handle_ptr++;
307 for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
308 if (MSVCRT_fdesc[MSVCRT_fdstart].handle == INVALID_HANDLE_VALUE) break;
311 if (!(MSVCRT_fdesc[0].wxflag & WX_OPEN) || MSVCRT_fdesc[0].handle == INVALID_HANDLE_VALUE)
313 DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_INPUT_HANDLE),
314 GetCurrentProcess(), &MSVCRT_fdesc[0].handle, 0, FALSE,
315 DUPLICATE_SAME_ACCESS);
316 MSVCRT_fdesc[0].wxflag = WX_OPEN | WX_TEXT;
318 if (!(MSVCRT_fdesc[1].wxflag & WX_OPEN) || MSVCRT_fdesc[1].handle == INVALID_HANDLE_VALUE)
320 DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_OUTPUT_HANDLE),
321 GetCurrentProcess(), &MSVCRT_fdesc[1].handle, 0, FALSE,
322 DUPLICATE_SAME_ACCESS);
323 MSVCRT_fdesc[1].wxflag = WX_OPEN | WX_TEXT;
325 if (!(MSVCRT_fdesc[2].wxflag & WX_OPEN) || MSVCRT_fdesc[2].handle == INVALID_HANDLE_VALUE)
327 DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_ERROR_HANDLE),
328 GetCurrentProcess(), &MSVCRT_fdesc[2].handle, 0, FALSE,
329 DUPLICATE_SAME_ACCESS);
330 MSVCRT_fdesc[2].wxflag = WX_OPEN | WX_TEXT;
333 TRACE(":handles (%p)(%p)(%p)\n",MSVCRT_fdesc[0].handle,
334 MSVCRT_fdesc[1].handle,MSVCRT_fdesc[2].handle);
336 memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
337 for (i = 0; i < 3; i++)
339 /* FILE structs for stdin/out/err are static and never deleted */
340 MSVCRT_fstreams[i] = &MSVCRT__iob[i];
341 MSVCRT__iob[i]._file = i;
342 MSVCRT__iob[i]._tmpfname = NULL;
343 MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
345 MSVCRT_stream_idx = 3;
348 /* INTERNAL: Flush stdio file buffer */
349 static int msvcrt_flush_buffer(MSVCRT_FILE* file)
351 if(file->_bufsiz) {
352 int cnt=file->_ptr-file->_base;
353 if(cnt>0 && _write(file->_file, file->_base, cnt) != cnt) {
354 file->_flag |= MSVCRT__IOERR;
355 return MSVCRT_EOF;
357 file->_ptr=file->_base;
358 file->_cnt=file->_bufsiz;
360 return 0;
363 /* INTERNAL: Allocate stdio file buffer */
364 static void msvcrt_alloc_buffer(MSVCRT_FILE* file)
366 file->_base = MSVCRT_calloc(MSVCRT_BUFSIZ,1);
367 if(file->_base) {
368 file->_bufsiz = MSVCRT_BUFSIZ;
369 file->_flag |= MSVCRT__IOMYBUF;
370 } else {
371 file->_base = (unsigned char *)(&file->_charbuf);
372 /* put here 2 ??? */
373 file->_bufsiz = sizeof(file->_charbuf);
375 file->_ptr = file->_base;
376 file->_cnt = 0;
379 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
380 static void msvcrt_int_to_base32(int num, char *str)
382 char *p;
383 int n = num;
384 int digits = 0;
386 while (n != 0)
388 n >>= 5;
389 digits++;
391 p = str + digits;
392 *p = 0;
393 while (--p >= str)
395 *p = (num & 31) + '0';
396 if (*p > '9')
397 *p += ('a' - '0' - 10);
398 num >>= 5;
402 /*********************************************************************
403 * __p__iob(MSVCRT.@)
405 MSVCRT_FILE *__p__iob(void)
407 return &MSVCRT__iob[0];
410 /*********************************************************************
411 * _access (MSVCRT.@)
413 int _access(const char *filename, int mode)
415 DWORD attr = GetFileAttributesA(filename);
417 TRACE("(%s,%d) %ld\n",filename,mode,attr);
419 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
421 msvcrt_set_errno(GetLastError());
422 return -1;
424 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
426 msvcrt_set_errno(ERROR_ACCESS_DENIED);
427 return -1;
429 return 0;
432 /*********************************************************************
433 * _waccess (MSVCRT.@)
435 int _waccess(const MSVCRT_wchar_t *filename, int mode)
437 DWORD attr = GetFileAttributesW(filename);
439 TRACE("(%s,%d) %ld\n",debugstr_w(filename),mode,attr);
441 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
443 msvcrt_set_errno(GetLastError());
444 return -1;
446 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
448 msvcrt_set_errno(ERROR_ACCESS_DENIED);
449 return -1;
451 return 0;
454 /*********************************************************************
455 * _chmod (MSVCRT.@)
457 int _chmod(const char *path, int flags)
459 DWORD oldFlags = GetFileAttributesA(path);
461 if (oldFlags != INVALID_FILE_ATTRIBUTES)
463 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
464 oldFlags | FILE_ATTRIBUTE_READONLY;
466 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
467 return 0;
469 msvcrt_set_errno(GetLastError());
470 return -1;
473 /*********************************************************************
474 * _wchmod (MSVCRT.@)
476 int _wchmod(const MSVCRT_wchar_t *path, int flags)
478 DWORD oldFlags = GetFileAttributesW(path);
480 if (oldFlags != INVALID_FILE_ATTRIBUTES)
482 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
483 oldFlags | FILE_ATTRIBUTE_READONLY;
485 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
486 return 0;
488 msvcrt_set_errno(GetLastError());
489 return -1;
492 /*********************************************************************
493 * _chsize (MSVCRT.@)
495 int _chsize(int fd, long size)
497 FIXME("(fd=%d, size=%ld): stub\n", fd, size);
498 return -1;
501 /*********************************************************************
502 * _dup (MSVCRT.@)
504 int _dup(int od)
506 FIXME("(od=%d): stub\n", od);
507 return -1;
510 /*********************************************************************
511 * _dup2 (MSVCRT.@)
513 int _dup2(int od, int nd)
515 FIXME("(od=%d, nd=%d): stub\n", od, nd);
516 return -1;
519 /*********************************************************************
520 * _unlink (MSVCRT.@)
522 int _unlink(const char *path)
524 TRACE("(%s)\n",path);
525 if(DeleteFileA(path))
526 return 0;
527 TRACE("failed (%ld)\n",GetLastError());
528 msvcrt_set_errno(GetLastError());
529 return -1;
532 /*********************************************************************
533 * _wunlink (MSVCRT.@)
535 int _wunlink(const MSVCRT_wchar_t *path)
537 TRACE("(%s)\n",debugstr_w(path));
538 if(DeleteFileW(path))
539 return 0;
540 TRACE("failed (%ld)\n",GetLastError());
541 msvcrt_set_errno(GetLastError());
542 return -1;
545 /* _flushall calls MSVCRT_fflush which calls _flushall */
546 int MSVCRT_fflush(MSVCRT_FILE* file);
548 /*********************************************************************
549 * _flushall (MSVCRT.@)
551 int _flushall(void)
553 int i, num_flushed = 0;
555 for (i = 3; i < MSVCRT_stream_idx; i++)
556 if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_flag)
558 #if 0
559 /* FIXME: flush, do not commit */
560 if (_commit(i) == -1)
561 if (MSVCRT_fstreams[i])
562 MSVCRT_fstreams[i]->_flag |= MSVCRT__IOERR;
563 #endif
564 if(MSVCRT_fstreams[i]->_flag & MSVCRT__IOWRT) {
565 MSVCRT_fflush(MSVCRT_fstreams[i]);
566 num_flushed++;
570 TRACE(":flushed (%d) handles\n",num_flushed);
571 return num_flushed;
574 /*********************************************************************
575 * fflush (MSVCRT.@)
577 int MSVCRT_fflush(MSVCRT_FILE* file)
579 if(!file) {
580 _flushall();
581 return 0;
582 } else {
583 int res=msvcrt_flush_buffer(file);
584 return res;
588 /*********************************************************************
589 * _close (MSVCRT.@)
591 int _close(int fd)
593 HANDLE hand = msvcrt_fdtoh(fd);
595 TRACE(":fd (%d) handle (%p)\n",fd,hand);
596 if (hand == INVALID_HANDLE_VALUE)
597 return -1;
599 if (!CloseHandle(hand))
601 WARN(":failed-last error (%ld)\n",GetLastError());
602 msvcrt_set_errno(GetLastError());
603 return -1;
605 msvcrt_free_fd(fd);
606 TRACE(":ok\n");
607 return 0;
610 /*********************************************************************
611 * _commit (MSVCRT.@)
613 int _commit(int fd)
615 HANDLE hand = msvcrt_fdtoh(fd);
617 TRACE(":fd (%d) handle (%p)\n",fd,hand);
618 if (hand == INVALID_HANDLE_VALUE)
619 return -1;
621 if (!FlushFileBuffers(hand))
623 if (GetLastError() == ERROR_INVALID_HANDLE)
625 /* FlushFileBuffers fails for console handles
626 * so we ignore this error.
628 return 0;
630 TRACE(":failed-last error (%ld)\n",GetLastError());
631 msvcrt_set_errno(GetLastError());
632 return -1;
634 TRACE(":ok\n");
635 return 0;
638 /*********************************************************************
639 * _eof (MSVCRT.@)
641 int _eof(int fd)
643 DWORD curpos,endpos,hcurpos,hendpos;
644 HANDLE hand = msvcrt_fdtoh(fd);
646 TRACE(":fd (%d) handle (%p)\n",fd,hand);
648 if (hand == INVALID_HANDLE_VALUE)
649 return -1;
651 if (MSVCRT_fdesc[fd].wxflag & WX_ATEOF) return TRUE;
653 /* Otherwise we do it the hard way */
654 hcurpos = hendpos = 0;
655 curpos = SetFilePointer(hand, 0, &hcurpos, SEEK_CUR);
656 endpos = SetFilePointer(hand, 0, &hendpos, FILE_END);
658 if (curpos == endpos && hcurpos == hendpos)
659 return TRUE;
661 SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN);
662 return FALSE;
665 /*********************************************************************
666 * _fcloseall (MSVCRT.@)
668 int MSVCRT__fcloseall(void)
670 int num_closed = 0, i;
672 for (i = 3; i < MSVCRT_stream_idx; i++)
673 if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_flag &&
674 MSVCRT_fclose(MSVCRT_fstreams[i]))
675 num_closed++;
677 TRACE(":closed (%d) handles\n",num_closed);
678 return num_closed;
681 /* free everything on process exit */
682 void msvcrt_free_io(void)
684 MSVCRT__fcloseall();
685 _close(0);
686 _close(1);
687 _close(2);
690 /*********************************************************************
691 * _lseeki64 (MSVCRT.@)
693 __int64 _lseeki64(int fd, __int64 offset, int whence)
695 DWORD ret, hoffset = (DWORD) (offset >> 32);
696 HANDLE hand = msvcrt_fdtoh(fd);
698 TRACE(":fd (%d) handle (%p)\n",fd,hand);
699 if (hand == INVALID_HANDLE_VALUE)
700 return -1;
702 if (whence < 0 || whence > 2)
704 *MSVCRT__errno() = MSVCRT_EINVAL;
705 return -1;
708 TRACE(":fd (%d) to 0x%08lx%08lx pos %s\n",
709 fd,hoffset,(long)offset,
710 (whence==SEEK_SET)?"SEEK_SET":
711 (whence==SEEK_CUR)?"SEEK_CUR":
712 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
714 ret = SetFilePointer(hand, (long)offset, &hoffset, whence);
715 if (ret != INVALID_SET_FILE_POINTER || !GetLastError())
717 MSVCRT_fdesc[fd].wxflag &= ~WX_ATEOF;
718 /* FIXME: What if we seek _to_ EOF - is EOF set? */
720 return ((__int64)hoffset << 32) | ret;
722 TRACE(":error-last error (%ld)\n",GetLastError());
723 msvcrt_set_errno(GetLastError());
724 return -1;
727 /*********************************************************************
728 * _lseek (MSVCRT.@)
730 LONG _lseek(int fd, LONG offset, int whence)
732 return _lseeki64(fd, offset, whence);
735 /*********************************************************************
736 * _locking (MSVCRT.@)
738 * This is untested; the underlying LockFile doesn't work yet.
740 int _locking(int fd, int mode, LONG nbytes)
742 BOOL ret;
743 DWORD cur_locn;
744 HANDLE hand = msvcrt_fdtoh(fd);
746 TRACE(":fd (%d) handle (%p)\n",fd,hand);
747 if (hand == INVALID_HANDLE_VALUE)
748 return -1;
750 if (mode < 0 || mode > 4)
752 *MSVCRT__errno() = MSVCRT_EINVAL;
753 return -1;
756 TRACE(":fd (%d) by 0x%08lx mode %s\n",
757 fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
758 (mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
759 (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
760 (mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
761 (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
762 "UNKNOWN");
764 if ((cur_locn = SetFilePointer(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
766 FIXME ("Seek failed\n");
767 *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
768 return -1;
770 if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
772 int nretry = 10;
773 ret = 1; /* just to satisfy gcc */
774 while (nretry--)
776 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
777 if (ret) break;
778 Sleep(1);
781 else if (mode == MSVCRT__LK_UNLCK)
782 ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L);
783 else
784 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
785 /* FIXME - what about error settings? */
786 return ret ? 0 : -1;
789 /*********************************************************************
790 * fseek (MSVCRT.@)
792 int MSVCRT_fseek(MSVCRT_FILE* file, long offset, int whence)
794 /* Flush output if needed */
795 if(file->_flag & MSVCRT__IOWRT)
796 msvcrt_flush_buffer(file);
798 if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
799 offset -= file->_cnt;
801 /* Discard buffered input */
802 file->_cnt = 0;
803 file->_ptr = file->_base;
804 /* Reset direction of i/o */
805 if(file->_flag & MSVCRT__IORW) {
806 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
808 return (_lseek(file->_file,offset,whence) == -1)?-1:0;
811 /*********************************************************************
812 * clearerr (MSVCRT.@)
814 void MSVCRT_clearerr(MSVCRT_FILE* file)
816 TRACE(":file (%p) fd (%d)\n",file,file->_file);
817 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
820 /*********************************************************************
821 * rewind (MSVCRT.@)
823 void MSVCRT_rewind(MSVCRT_FILE* file)
825 TRACE(":file (%p) fd (%d)\n",file,file->_file);
826 MSVCRT_fseek(file, 0L, SEEK_SET);
827 MSVCRT_clearerr(file);
830 static int msvcrt_get_flags(const char* mode, int *open_flags, int* stream_flags)
832 int plus = strchr(mode, '+') != NULL;
834 switch(*mode++)
836 case 'R': case 'r':
837 *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
838 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
839 break;
840 case 'W': case 'w':
841 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
842 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
843 break;
844 case 'A': case 'a':
845 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
846 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
847 break;
848 default:
849 return -1;
852 while (*mode)
853 switch (*mode++)
855 case 'B': case 'b':
856 *open_flags |= MSVCRT__O_BINARY;
857 *open_flags &= ~MSVCRT__O_TEXT;
858 break;
859 case 'T': case 't':
860 *open_flags |= MSVCRT__O_TEXT;
861 *open_flags &= ~MSVCRT__O_BINARY;
862 break;
863 case '+':
864 break;
865 default:
866 FIXME(":unknown flag %c not supported\n",mode[-1]);
868 return 0;
871 /*********************************************************************
872 * _fdopen (MSVCRT.@)
874 MSVCRT_FILE* MSVCRT__fdopen(int fd, const char *mode)
876 int open_flags, stream_flags;
877 MSVCRT_FILE* file;
879 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
881 if (!(file = msvcrt_alloc_fp())) return NULL;
882 if (msvcrt_init_fp(file, fd, stream_flags) == -1)
884 file->_flag = 0;
885 file = NULL;
887 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n",fd,mode,file);
889 return file;
892 /*********************************************************************
893 * _wfdopen (MSVCRT.@)
895 MSVCRT_FILE* MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
897 unsigned mlen = strlenW(mode);
898 char *modea = MSVCRT_calloc(mlen + 1, 1);
899 MSVCRT_FILE* file = NULL;
900 int open_flags, stream_flags;
902 if (modea &&
903 WideCharToMultiByte(CP_ACP,0,mode,mlen,modea,mlen,NULL,NULL))
905 if (msvcrt_get_flags(modea, &open_flags, &stream_flags) == -1) return NULL;
906 if (!(file = msvcrt_alloc_fp())) return NULL;
907 if (msvcrt_init_fp(file, fd, stream_flags) == -1)
909 file->_flag = 0;
910 file = NULL;
912 else
914 if (file)
915 MSVCRT_rewind(file); /* FIXME: is this needed ??? */
916 TRACE(":fd (%d) mode (%s) FILE* (%p)\n",fd,debugstr_w(mode),file);
919 return file;
922 /*********************************************************************
923 * _filelength (MSVCRT.@)
925 LONG _filelength(int fd)
927 LONG curPos = _lseek(fd, 0, SEEK_CUR);
928 if (curPos != -1)
930 LONG endPos = _lseek(fd, 0, SEEK_END);
931 if (endPos != -1)
933 if (endPos != curPos)
934 _lseek(fd, curPos, SEEK_SET);
935 return endPos;
938 return -1;
941 /*********************************************************************
942 * _filelengthi64 (MSVCRT.@)
944 __int64 _filelengthi64(int fd)
946 __int64 curPos = _lseeki64(fd, 0, SEEK_CUR);
947 if (curPos != -1)
949 __int64 endPos = _lseeki64(fd, 0, SEEK_END);
950 if (endPos != -1)
952 if (endPos != curPos)
953 _lseeki64(fd, curPos, SEEK_SET);
954 return endPos;
957 return -1;
960 /*********************************************************************
961 * _fileno (MSVCRT.@)
963 int MSVCRT__fileno(MSVCRT_FILE* file)
965 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
966 return file->_file;
969 /*********************************************************************
970 * _fstati64 (MSVCRT.@)
972 int MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
974 DWORD dw;
975 BY_HANDLE_FILE_INFORMATION hfi;
976 HANDLE hand = msvcrt_fdtoh(fd);
978 TRACE(":fd (%d) stat (%p)\n",fd,buf);
979 if (hand == INVALID_HANDLE_VALUE)
980 return -1;
982 if (!buf)
984 WARN(":failed-NULL buf\n");
985 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
986 return -1;
989 memset(&hfi, 0, sizeof(hfi));
990 memset(buf, 0, sizeof(struct MSVCRT__stati64));
991 if (!GetFileInformationByHandle(hand, &hfi))
993 WARN(":failed-last error (%ld)\n",GetLastError());
994 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
995 return -1;
997 FIXME(":dwFileAttributes = %ld, mode set to 0\n",hfi.dwFileAttributes);
998 buf->st_nlink = hfi.nNumberOfLinks;
999 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1000 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1001 buf->st_atime = dw;
1002 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1003 buf->st_mtime = buf->st_ctime = dw;
1004 return 0;
1007 /*********************************************************************
1008 * _fstat (MSVCRT.@)
1010 int MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
1011 { int ret;
1012 struct MSVCRT__stati64 bufi64;
1014 ret = MSVCRT__fstati64(fd, &bufi64);
1015 if (!ret)
1016 msvcrt_cp_from_stati64(&bufi64, buf);
1017 return ret;
1020 /*********************************************************************
1021 * _futime (MSVCRT.@)
1023 int _futime(int fd, struct MSVCRT__utimbuf *t)
1025 HANDLE hand = msvcrt_fdtoh(fd);
1026 FILETIME at, wt;
1028 if (!t)
1030 MSVCRT_time_t currTime;
1031 MSVCRT_time(&currTime);
1032 RtlSecondsSince1970ToTime(currTime, (LARGE_INTEGER *)&at);
1033 memcpy(&wt, &at, sizeof(wt));
1035 else
1037 RtlSecondsSince1970ToTime(t->actime, (LARGE_INTEGER *)&at);
1038 if (t->actime == t->modtime)
1039 memcpy(&wt, &at, sizeof(wt));
1040 else
1041 RtlSecondsSince1970ToTime(t->modtime, (LARGE_INTEGER *)&wt);
1044 if (!SetFileTime(hand, NULL, &at, &wt))
1046 msvcrt_set_errno(GetLastError());
1047 return -1 ;
1049 return 0;
1052 /*********************************************************************
1053 * _get_osfhandle (MSVCRT.@)
1055 long _get_osfhandle(int fd)
1057 HANDLE hand = msvcrt_fdtoh(fd);
1058 HANDLE newhand = hand;
1059 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1061 if (hand != INVALID_HANDLE_VALUE)
1063 /* FIXME: I'm not convinced that I should be copying the
1064 * handle here - it may be leaked if the app doesn't
1065 * close it (and the API docs don't say that it should)
1066 * Not duplicating it means that it can't be inherited
1067 * and so lcc's wedit doesn't cope when it passes it to
1068 * child processes. I've an idea that it should either
1069 * be copied by CreateProcess, or marked as inheritable
1070 * when initialised, or maybe both? JG 21-9-00.
1072 DuplicateHandle(GetCurrentProcess(),hand,GetCurrentProcess(),
1073 &newhand,0,TRUE,DUPLICATE_SAME_ACCESS);
1075 return (long)newhand;
1078 /*********************************************************************
1079 * _isatty (MSVCRT.@)
1081 int _isatty(int fd)
1083 HANDLE hand = msvcrt_fdtoh(fd);
1085 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1086 if (hand == INVALID_HANDLE_VALUE)
1087 return 0;
1089 return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
1092 /*********************************************************************
1093 * _mktemp (MSVCRT.@)
1095 char *_mktemp(char *pattern)
1097 int numX = 0;
1098 char *retVal = pattern;
1099 int id;
1100 char letter = 'a';
1102 while(*pattern)
1103 numX = (*pattern++ == 'X')? numX + 1 : 0;
1104 if (numX < 5)
1105 return NULL;
1106 pattern--;
1107 id = GetCurrentProcessId();
1108 numX = 6;
1109 while(numX--)
1111 int tempNum = id / 10;
1112 *pattern-- = id - (tempNum * 10) + '0';
1113 id = tempNum;
1115 pattern++;
1118 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES &&
1119 GetLastError() == ERROR_FILE_NOT_FOUND)
1120 return retVal;
1121 *pattern = letter++;
1122 } while(letter != '|');
1123 return NULL;
1126 /*********************************************************************
1127 * _wmktemp (MSVCRT.@)
1129 MSVCRT_wchar_t *_wmktemp(MSVCRT_wchar_t *pattern)
1131 int numX = 0;
1132 MSVCRT_wchar_t *retVal = pattern;
1133 int id;
1134 MSVCRT_wchar_t letter = 'a';
1136 while(*pattern)
1137 numX = (*pattern++ == 'X')? numX + 1 : 0;
1138 if (numX < 5)
1139 return NULL;
1140 pattern--;
1141 id = GetCurrentProcessId();
1142 numX = 6;
1143 while(numX--)
1145 int tempNum = id / 10;
1146 *pattern-- = id - (tempNum * 10) + '0';
1147 id = tempNum;
1149 pattern++;
1152 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES &&
1153 GetLastError() == ERROR_FILE_NOT_FOUND)
1154 return retVal;
1155 *pattern = letter++;
1156 } while(letter != '|');
1157 return NULL;
1160 static unsigned split_oflags(unsigned oflags)
1162 int wxflags = 0;
1164 if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
1165 if (oflags & MSVCRT__O_BINARY) ;
1166 else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
1167 else if (*__p__fmode() & MSVCRT__O_BINARY) ;
1168 else wxflags |= WX_TEXT; /* default to TEXT*/
1169 if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1171 if (oflags & ~(MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|MSVCRT__O_TRUNC|
1172 MSVCRT__O_EXCL|MSVCRT__O_CREAT|MSVCRT__O_RDWR|MSVCRT__O_WRONLY|
1173 MSVCRT__O_TEMPORARY|MSVCRT__O_NOINHERIT))
1174 ERR(":unsupported oflags 0x%04x\n",oflags);
1176 return wxflags;
1179 /*********************************************************************
1180 * _sopen (MSVCRT.@)
1182 int MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
1184 va_list ap;
1185 int pmode;
1186 DWORD access = 0, creation = 0, attrib;
1187 DWORD sharing;
1188 int wxflag = 0, fd;
1189 HANDLE hand;
1190 SECURITY_ATTRIBUTES sa;
1193 TRACE(":file (%s) oflags: 0x%04x shflags: 0x%04x\n",
1194 path, oflags, shflags);
1196 wxflag = split_oflags(oflags);
1197 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1199 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1200 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1201 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1204 if (oflags & MSVCRT__O_CREAT)
1206 va_start(ap, shflags);
1207 pmode = va_arg(ap, int);
1208 va_end(ap);
1210 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1211 FIXME(": pmode 0x%04x ignored\n", pmode);
1212 else
1213 WARN(": pmode 0x%04x ignored\n", pmode);
1215 if (oflags & MSVCRT__O_EXCL)
1216 creation = CREATE_NEW;
1217 else if (oflags & MSVCRT__O_TRUNC)
1218 creation = CREATE_ALWAYS;
1219 else
1220 creation = OPEN_ALWAYS;
1222 else /* no MSVCRT__O_CREAT */
1224 if (oflags & MSVCRT__O_TRUNC)
1225 creation = TRUNCATE_EXISTING;
1226 else
1227 creation = OPEN_EXISTING;
1230 switch( shflags )
1232 case MSVCRT__SH_DENYRW:
1233 sharing = 0L;
1234 break;
1235 case MSVCRT__SH_DENYWR:
1236 sharing = FILE_SHARE_READ;
1237 break;
1238 case MSVCRT__SH_DENYRD:
1239 sharing = FILE_SHARE_WRITE;
1240 break;
1241 case MSVCRT__SH_DENYNO:
1242 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1243 break;
1244 default:
1245 ERR( "Unhandled shflags 0x%x\n", shflags );
1246 return -1;
1248 attrib = FILE_ATTRIBUTE_NORMAL;
1250 if (oflags & MSVCRT__O_TEMPORARY)
1252 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1253 access |= DELETE;
1254 sharing |= FILE_SHARE_DELETE;
1257 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1258 sa.lpSecurityDescriptor = NULL;
1259 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1261 hand = CreateFileA(path, access, sharing, &sa, creation, attrib, 0);
1263 if (hand == INVALID_HANDLE_VALUE) {
1264 WARN(":failed-last error (%ld)\n",GetLastError());
1265 msvcrt_set_errno(GetLastError());
1266 return -1;
1269 fd = msvcrt_alloc_fd(hand, wxflag);
1271 TRACE(":fd (%d) handle (%p)\n",fd, hand);
1273 if (fd > 0)
1275 if (oflags & MSVCRT__O_APPEND)
1276 _lseek(fd, 0, FILE_END);
1279 return fd;
1282 /*********************************************************************
1283 * _wsopen (MSVCRT.@)
1285 int MSVCRT__wsopen( const MSVCRT_wchar_t* path, int oflags, int shflags, ... )
1287 const unsigned int len = strlenW(path);
1288 char *patha = MSVCRT_calloc(len + 1,1);
1289 va_list ap;
1290 int pmode;
1292 va_start(ap, shflags);
1293 pmode = va_arg(ap, int);
1294 va_end(ap);
1296 if (patha && WideCharToMultiByte(CP_ACP,0,path,len,patha,len,NULL,NULL))
1298 int retval = MSVCRT__sopen(patha,oflags,shflags,pmode);
1299 MSVCRT_free(patha);
1300 return retval;
1303 msvcrt_set_errno(GetLastError());
1304 return -1;
1307 /*********************************************************************
1308 * _open (MSVCRT.@)
1310 int _open( const char *path, int flags, ... )
1312 va_list ap;
1314 if (flags & MSVCRT__O_CREAT)
1316 int pmode;
1317 va_start(ap, flags);
1318 pmode = va_arg(ap, int);
1319 va_end(ap);
1320 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1322 else
1323 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
1326 /*********************************************************************
1327 * _wopen (MSVCRT.@)
1329 int _wopen(const MSVCRT_wchar_t *path,int flags,...)
1331 const unsigned int len = strlenW(path);
1332 char *patha = MSVCRT_calloc(len + 1,1);
1333 va_list ap;
1334 int pmode;
1336 va_start(ap, flags);
1337 pmode = va_arg(ap, int);
1338 va_end(ap);
1340 if (patha && WideCharToMultiByte(CP_ACP,0,path,len,patha,len,NULL,NULL))
1342 int retval = _open(patha,flags,pmode);
1343 MSVCRT_free(patha);
1344 return retval;
1347 msvcrt_set_errno(GetLastError());
1348 return -1;
1351 /*********************************************************************
1352 * _creat (MSVCRT.@)
1354 int _creat(const char *path, int flags)
1356 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1357 return _open(path, usedFlags);
1360 /*********************************************************************
1361 * _wcreat (MSVCRT.@)
1363 int _wcreat(const MSVCRT_wchar_t *path, int flags)
1365 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1366 return _wopen(path, usedFlags);
1369 /*********************************************************************
1370 * _open_osfhandle (MSVCRT.@)
1372 int _open_osfhandle(long handle, int oflags)
1374 int fd;
1376 /* MSVCRT__O_RDONLY (0) always matches, so set the read flag
1377 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
1378 * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
1379 * text - it never sets MSVCRT__O_BINARY.
1381 /* FIXME: handle more flags */
1382 if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)) && (*__p__fmode() & MSVCRT__O_BINARY))
1383 oflags |= MSVCRT__O_BINARY;
1384 else
1385 oflags |= MSVCRT__O_TEXT;
1387 fd = msvcrt_alloc_fd((HANDLE)handle, split_oflags(oflags));
1388 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, oflags);
1389 return fd;
1392 /*********************************************************************
1393 * _rmtmp (MSVCRT.@)
1395 int _rmtmp(void)
1397 int num_removed = 0, i;
1399 for (i = 3; i < MSVCRT_stream_idx; i++)
1400 if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_tmpfname)
1402 MSVCRT_fclose(MSVCRT_fstreams[i]);
1403 num_removed++;
1406 if (num_removed)
1407 TRACE(":removed (%d) temp files\n",num_removed);
1408 return num_removed;
1411 /*********************************************************************
1412 * (internal) remove_cr
1414 * Remove all \r inplace.
1415 * return the number of \r removed
1417 static unsigned int remove_cr(char *buf, unsigned int count)
1419 unsigned int i, j;
1421 for (i = 0; i < count; i++) if (buf[i] == '\r') break;
1422 for (j = i + 1; j < count; j++) if (buf[j] != '\r') buf[i++] = buf[j];
1423 return count - i;
1426 /*********************************************************************
1427 * _read (MSVCRT.@)
1429 int _read(int fd, void *buf, unsigned int count)
1431 DWORD num_read, all_read = 0;
1432 char *bufstart = buf;
1433 HANDLE hand = msvcrt_fdtoh(fd);
1435 /* Don't trace small reads, it gets *very* annoying */
1436 if (count > 4)
1437 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
1438 if (hand == INVALID_HANDLE_VALUE)
1439 return -1;
1441 /* Reading single bytes in O_TEXT mode makes things slow
1442 * So read big chunks, then remove the \r in memory and try reading
1443 * the rest until the request is satisfied or EOF is met
1445 while (all_read < count)
1447 if (ReadFile(hand, bufstart+all_read, count - all_read, &num_read, NULL))
1449 if (num_read != (count - all_read))
1451 TRACE(":EOF\n");
1452 MSVCRT_fdesc[fd].wxflag |= WX_ATEOF;
1453 if (MSVCRT_fdesc[fd].wxflag & WX_TEXT)
1454 num_read -= remove_cr(bufstart+all_read,num_read);
1455 all_read += num_read;
1456 if (count > 4)
1457 TRACE("%s\n",debugstr_an(buf,all_read));
1458 return all_read;
1460 if (MSVCRT_fdesc[fd].wxflag & WX_TEXT)
1462 num_read -= remove_cr(bufstart+all_read,num_read);
1464 all_read += num_read;
1466 else
1468 TRACE(":failed-last error (%ld)\n",GetLastError());
1469 return -1;
1473 if (count > 4)
1474 TRACE("(%lu), %s\n",all_read,debugstr_an(buf, all_read));
1475 return all_read;
1478 /*********************************************************************
1479 * _getw (MSVCRT.@)
1481 int MSVCRT__getw(MSVCRT_FILE* file)
1483 int i;
1484 switch (_read(file->_file, &i, sizeof(int)))
1486 case 1: return i;
1487 case 0: file->_flag |= MSVCRT__IOEOF; break;
1488 default: file->_flag |= MSVCRT__IOERR; break;
1490 return EOF;
1493 /*********************************************************************
1494 * _setmode (MSVCRT.@)
1496 int _setmode(int fd,int mode)
1498 int ret = MSVCRT_fdesc[fd].wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
1499 if (mode & (~(MSVCRT__O_TEXT|MSVCRT__O_BINARY)))
1500 FIXME("fd (%d) mode (0x%08x) unknown\n",fd,mode);
1501 if ((mode & MSVCRT__O_TEXT) == MSVCRT__O_TEXT)
1502 MSVCRT_fdesc[fd].wxflag |= WX_TEXT;
1503 else
1504 MSVCRT_fdesc[fd].wxflag &= ~WX_TEXT;
1505 return ret;
1508 /*********************************************************************
1509 * _stati64 (MSVCRT.@)
1511 int MSVCRT__stati64(const char* path, struct MSVCRT__stati64 * buf)
1513 DWORD dw;
1514 WIN32_FILE_ATTRIBUTE_DATA hfi;
1515 unsigned short mode = ALL_S_IREAD;
1516 int plen;
1518 TRACE(":file (%s) buf(%p)\n",path,buf);
1520 if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
1522 TRACE("failed (%ld)\n",GetLastError());
1523 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1524 return -1;
1527 memset(buf,0,sizeof(struct MSVCRT__stati64));
1529 /* FIXME: rdev isn't drive num, despite what the docs say-what is it?
1530 Bon 011120: This FIXME seems incorrect
1531 Also a letter as first char isn't enough to be classified
1532 as a drive letter
1534 if (isalpha(*path)&& (*(path+1)==':'))
1535 buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
1536 else
1537 buf->st_dev = buf->st_rdev = _getdrive() - 1;
1539 plen = strlen(path);
1541 /* Dir, or regular file? */
1542 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
1543 (path[plen-1] == '\\'))
1544 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
1545 else
1547 mode |= MSVCRT__S_IFREG;
1548 /* executable? */
1549 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
1551 unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
1552 (tolower(path[plen-3]) << 16);
1553 if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
1554 mode |= ALL_S_IEXEC;
1558 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1559 mode |= ALL_S_IWRITE;
1561 buf->st_mode = mode;
1562 buf->st_nlink = 1;
1563 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1564 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1565 buf->st_atime = dw;
1566 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1567 buf->st_mtime = buf->st_ctime = dw;
1568 TRACE("%d %d 0x%08lx%08lx %ld %ld %ld\n", buf->st_mode,buf->st_nlink,
1569 (long)(buf->st_size >> 32),(long)buf->st_size,
1570 buf->st_atime,buf->st_mtime, buf->st_ctime);
1571 return 0;
1574 /*********************************************************************
1575 * _stat (MSVCRT.@)
1577 int MSVCRT__stat(const char* path, struct MSVCRT__stat * buf)
1578 { int ret;
1579 struct MSVCRT__stati64 bufi64;
1581 ret = MSVCRT__stati64( path, &bufi64);
1582 if (!ret)
1583 msvcrt_cp_from_stati64(&bufi64, buf);
1584 return ret;
1587 /*********************************************************************
1588 * _wstati64 (MSVCRT.@)
1590 int MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
1592 DWORD dw;
1593 WIN32_FILE_ATTRIBUTE_DATA hfi;
1594 unsigned short mode = ALL_S_IREAD;
1595 int plen;
1597 TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
1599 if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
1601 TRACE("failed (%ld)\n",GetLastError());
1602 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1603 return -1;
1606 memset(buf,0,sizeof(struct MSVCRT__stat));
1608 /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
1609 if (MSVCRT_iswalpha(*path))
1610 buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
1611 else
1612 buf->st_dev = buf->st_rdev = _getdrive() - 1;
1614 plen = strlenW(path);
1616 /* Dir, or regular file? */
1617 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
1618 (path[plen-1] == '\\'))
1619 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
1620 else
1622 mode |= MSVCRT__S_IFREG;
1623 /* executable? */
1624 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
1626 ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
1627 ((ULONGLONG)tolowerW(path[plen-3]) << 32);
1628 if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
1629 mode |= ALL_S_IEXEC;
1633 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1634 mode |= ALL_S_IWRITE;
1636 buf->st_mode = mode;
1637 buf->st_nlink = 1;
1638 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1639 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1640 buf->st_atime = dw;
1641 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1642 buf->st_mtime = buf->st_ctime = dw;
1643 TRACE("%d %d 0x%08lx%08lx %ld %ld %ld\n", buf->st_mode,buf->st_nlink,
1644 (long)(buf->st_size >> 32),(long)buf->st_size,
1645 buf->st_atime,buf->st_mtime, buf->st_ctime);
1646 return 0;
1649 /*********************************************************************
1650 * _wstat (MSVCRT.@)
1652 int MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
1654 int ret;
1655 struct MSVCRT__stati64 bufi64;
1657 ret = MSVCRT__wstati64( path, &bufi64 );
1658 if (!ret) msvcrt_cp_from_stati64(&bufi64, buf);
1659 return ret;
1662 /*********************************************************************
1663 * _tell (MSVCRT.@)
1665 long _tell(int fd)
1667 return _lseek(fd, 0, SEEK_CUR);
1670 /*********************************************************************
1671 * _telli64 (MSVCRT.@)
1673 __int64 _telli64(int fd)
1675 return _lseeki64(fd, 0, SEEK_CUR);
1678 /*********************************************************************
1679 * _tempnam (MSVCRT.@)
1681 char *_tempnam(const char *dir, const char *prefix)
1683 char tmpbuf[MAX_PATH];
1685 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
1686 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
1688 TRACE("got name (%s)\n",tmpbuf);
1689 DeleteFileA(tmpbuf);
1690 return _strdup(tmpbuf);
1692 TRACE("failed (%ld)\n",GetLastError());
1693 return NULL;
1696 /*********************************************************************
1697 * _wtempnam (MSVCRT.@)
1699 MSVCRT_wchar_t *_wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
1701 MSVCRT_wchar_t tmpbuf[MAX_PATH];
1703 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
1704 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
1706 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
1707 DeleteFileW(tmpbuf);
1708 return _wcsdup(tmpbuf);
1710 TRACE("failed (%ld)\n",GetLastError());
1711 return NULL;
1714 /*********************************************************************
1715 * _umask (MSVCRT.@)
1717 int _umask(int umask)
1719 int old_umask = MSVCRT_umask;
1720 TRACE("(%d)\n",umask);
1721 MSVCRT_umask = umask;
1722 return old_umask;
1725 /*********************************************************************
1726 * _utime (MSVCRT.@)
1728 int _utime(const char* path, struct MSVCRT__utimbuf *t)
1730 int fd = _open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
1732 if (fd > 0)
1734 int retVal = _futime(fd, t);
1735 _close(fd);
1736 return retVal;
1738 return -1;
1741 /*********************************************************************
1742 * _wutime (MSVCRT.@)
1744 int _wutime(const MSVCRT_wchar_t* path, struct MSVCRT__utimbuf *t)
1746 int fd = _wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
1748 if (fd > 0)
1750 int retVal = _futime(fd, t);
1751 _close(fd);
1752 return retVal;
1754 return -1;
1757 /*********************************************************************
1758 * _write (MSVCRT.@)
1760 int _write(int fd, const void* buf, unsigned int count)
1762 DWORD num_written;
1763 HANDLE hand = msvcrt_fdtoh(fd);
1765 /* Don't trace small writes, it gets *very* annoying */
1766 #if 0
1767 if (count > 32)
1768 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
1769 #endif
1770 if (hand == INVALID_HANDLE_VALUE)
1772 *MSVCRT__errno() = MSVCRT_EBADF;
1773 return -1;
1776 /* If appending, go to EOF */
1777 if (MSVCRT_fdesc[fd].wxflag & WX_APPEND)
1778 _lseek(fd, 0, FILE_END);
1780 if (!(MSVCRT_fdesc[fd].wxflag & WX_TEXT))
1782 if (WriteFile(hand, buf, count, &num_written, NULL)
1783 && (num_written == count))
1784 return num_written;
1785 TRACE(":failed-last error (%ld)\n",GetLastError());
1786 *MSVCRT__errno() = MSVCRT_ENOSPC;
1788 else
1790 unsigned int i, j, nr_lf;
1791 char *s =(char*)buf, *buf_start=(char*)buf, *p;
1792 /* find number of \n ( without preceeding \r */
1793 for ( nr_lf=0,i = 0; i <count; i++)
1795 if (s[i]== '\n')
1797 nr_lf++;
1798 /*if ((i >1) && (s[i-1] == '\r')) nr_lf--; */
1801 if (nr_lf)
1803 if ((p = MSVCRT_malloc(count + nr_lf)))
1805 for(s=(char*)buf, i=0, j=0; i<count; i++)
1807 if (s[i]== '\n')
1809 p[j++] = '\r';
1810 /*if ((i >1) && (s[i-1] == '\r'))j--;*/
1812 p[j++] = s[i];
1815 else
1817 FIXME("Malloc failed\n");
1818 nr_lf =0;
1819 p = (char*)buf;
1822 else
1823 p = (char*)buf;
1825 if ((WriteFile(hand, p, count+nr_lf, &num_written, NULL) == 0 ) || (num_written != count+nr_lf))
1827 TRACE(":failed-last error (%ld) num_written %ld\n",GetLastError(),num_written);
1828 *MSVCRT__errno() = MSVCRT_ENOSPC;
1829 if(nr_lf)
1830 MSVCRT_free(p);
1831 return s - buf_start;
1833 else
1835 if(nr_lf)
1836 MSVCRT_free(p);
1837 return count;
1840 return -1;
1843 /*********************************************************************
1844 * _putw (MSVCRT.@)
1846 int MSVCRT__putw(int val, MSVCRT_FILE* file)
1848 int len;
1849 len = _write(file->_file, &val, sizeof(val));
1850 if (len == sizeof(val)) return val;
1851 file->_flag |= MSVCRT__IOERR;
1852 return MSVCRT_EOF;
1855 /*********************************************************************
1856 * fclose (MSVCRT.@)
1858 int MSVCRT_fclose(MSVCRT_FILE* file)
1860 int r, flag;
1862 flag = file->_flag;
1863 if (file->_tmpfname)
1865 MSVCRT_free(file->_tmpfname);
1866 file->_tmpfname = NULL;
1868 /* flush stdio buffers */
1869 if(file->_flag & MSVCRT__IOWRT)
1870 MSVCRT_fflush(file);
1871 if(file->_flag & MSVCRT__IOMYBUF)
1872 MSVCRT_free(file->_base);
1874 r=_close(file->_file);
1876 file->_flag = 0;
1878 return ((r==MSVCRT_EOF) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
1881 /*********************************************************************
1882 * feof (MSVCRT.@)
1884 int MSVCRT_feof(MSVCRT_FILE* file)
1886 return file->_flag & MSVCRT__IOEOF;
1889 /*********************************************************************
1890 * ferror (MSVCRT.@)
1892 int MSVCRT_ferror(MSVCRT_FILE* file)
1894 return file->_flag & MSVCRT__IOERR;
1897 /*********************************************************************
1898 * _filbuf (MSVCRT.@)
1900 int MSVCRT__filbuf(MSVCRT_FILE* file)
1902 /* Allocate buffer if needed */
1903 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF) ) {
1904 msvcrt_alloc_buffer(file);
1906 if(!(file->_flag & MSVCRT__IOREAD)) {
1907 if(file->_flag & MSVCRT__IORW) {
1908 file->_flag |= MSVCRT__IOREAD;
1909 } else {
1910 return MSVCRT_EOF;
1913 if(file->_flag & MSVCRT__IONBF) {
1914 unsigned char c;
1915 int r;
1916 if ((r = _read(file->_file,&c,1)) != 1) {
1917 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
1918 return MSVCRT_EOF;
1920 return c;
1921 } else {
1922 file->_cnt = _read(file->_file, file->_base, file->_bufsiz);
1923 if(file->_cnt<=0) {
1924 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
1925 file->_cnt = 0;
1926 return MSVCRT_EOF;
1928 file->_cnt--;
1929 file->_ptr = file->_base+1;
1930 return *(unsigned char *)file->_base;
1934 /*********************************************************************
1935 * fgetc (MSVCRT.@)
1937 int MSVCRT_fgetc(MSVCRT_FILE* file)
1939 if (file->_cnt>0) {
1940 file->_cnt--;
1941 return *(unsigned char *)file->_ptr++;
1942 } else {
1943 return MSVCRT__filbuf(file);
1947 /*********************************************************************
1948 * _fgetchar (MSVCRT.@)
1950 int _fgetchar(void)
1952 return MSVCRT_fgetc(MSVCRT_stdin);
1955 /*********************************************************************
1956 * fgets (MSVCRT.@)
1958 char *MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
1960 int cc = MSVCRT_EOF;
1961 char * buf_start = s;
1963 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
1964 file,file->_file,s,size);
1966 while ((size >1) && (cc = MSVCRT_fgetc(file)) != MSVCRT_EOF && cc != '\n')
1968 *s++ = (char)cc;
1969 size --;
1971 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
1973 TRACE(":nothing read\n");
1974 return NULL;
1976 if ((cc != MSVCRT_EOF) && (size > 1))
1977 *s++ = cc;
1978 *s = '\0';
1979 TRACE(":got '%s'\n", debugstr_a(buf_start));
1980 return buf_start;
1983 /*********************************************************************
1984 * fgetwc (MSVCRT.@)
1986 * In MSVCRT__O_TEXT mode, multibyte characters are read from the file, dropping
1987 * the CR from CR/LF combinations
1989 MSVCRT_wint_t MSVCRT_fgetwc(MSVCRT_FILE* file)
1991 char c;
1993 if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
1995 MSVCRT_wchar_t wc;
1996 int r;
1997 if ((r = _read(file->_file, &wc, sizeof(wc))) != sizeof(wc))
1999 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2000 return MSVCRT_WEOF;
2002 return wc;
2004 c = MSVCRT_fgetc(file);
2005 if ((*__p___mb_cur_max() > 1) && MSVCRT_isleadbyte(c))
2007 FIXME("Treat Multibyte characters\n");
2009 if (c == MSVCRT_EOF)
2010 return MSVCRT_WEOF;
2011 else
2012 return (MSVCRT_wint_t)c;
2015 /*********************************************************************
2016 * getwc (MSVCRT.@)
2018 MSVCRT_wint_t MSVCRT_getwc(MSVCRT_FILE* file)
2020 return MSVCRT_fgetwc(file);
2023 /*********************************************************************
2024 * _fgetwchar (MSVCRT.@)
2026 MSVCRT_wint_t _fgetwchar(void)
2028 return MSVCRT_fgetwc(MSVCRT_stdin);
2031 /*********************************************************************
2032 * getwchar (MSVCRT.@)
2034 MSVCRT_wint_t MSVCRT_getwchar(void)
2036 return _fgetwchar();
2039 /*********************************************************************
2040 * fgetws (MSVCRT.@)
2042 MSVCRT_wchar_t *MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
2044 int cc = MSVCRT_WEOF;
2045 MSVCRT_wchar_t * buf_start = s;
2047 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2048 file,file->_file,s,size);
2050 while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n')
2052 *s++ = (char)cc;
2053 size --;
2055 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
2057 TRACE(":nothing read\n");
2058 return NULL;
2060 if ((cc != MSVCRT_WEOF) && (size > 1))
2061 *s++ = cc;
2062 *s = 0;
2063 TRACE(":got %s\n", debugstr_w(buf_start));
2064 return buf_start;
2067 /*********************************************************************
2068 * fwrite (MSVCRT.@)
2070 MSVCRT_size_t MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
2072 MSVCRT_size_t wrcnt=size * nmemb;
2073 int written = 0;
2074 if (size == 0)
2075 return 0;
2076 if(file->_cnt) {
2077 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
2078 memcpy(file->_ptr, ptr, pcnt);
2079 file->_cnt -= pcnt;
2080 file->_ptr += pcnt;
2081 written = pcnt;
2082 wrcnt -= pcnt;
2083 ptr = (const char*)ptr + pcnt;
2084 } else if(!(file->_flag & MSVCRT__IOWRT)) {
2085 if(file->_flag & MSVCRT__IORW) {
2086 file->_flag |= MSVCRT__IOWRT;
2087 } else
2088 return 0;
2090 if(wrcnt) {
2091 /* Flush buffer */
2092 int res=msvcrt_flush_buffer(file);
2093 if(!res) {
2094 int pwritten = _write(file->_file, ptr, wrcnt);
2095 if (pwritten <= 0)
2097 file->_flag |= MSVCRT__IOERR;
2098 pwritten=0;
2100 written += pwritten;
2103 return written / size;
2106 /*********************************************************************
2107 * fputwc (MSVCRT.@)
2109 MSVCRT_wint_t MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
2111 MSVCRT_wchar_t mwc=wc;
2112 if (MSVCRT_fwrite( &mwc, sizeof(mwc), 1, file) != 1)
2113 return MSVCRT_WEOF;
2114 return wc;
2117 /*********************************************************************
2118 * _fputwchar (MSVCRT.@)
2120 MSVCRT_wint_t _fputwchar(MSVCRT_wint_t wc)
2122 return MSVCRT_fputwc(wc, MSVCRT_stdout);
2125 /*********************************************************************
2126 * fopen (MSVCRT.@)
2128 MSVCRT_FILE* MSVCRT_fopen(const char *path, const char *mode)
2130 MSVCRT_FILE* file;
2131 int open_flags, stream_flags, fd;
2133 TRACE("(%s,%s)\n",path,mode);
2135 /* map mode string to open() flags. "man fopen" for possibilities. */
2136 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
2137 return NULL;
2139 fd = _open(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
2141 if (fd < 0)
2142 return NULL;
2144 if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags) != -1)
2145 TRACE(":fd (%d) mode (%s) FILE* (%p)\n",fd,mode,file);
2146 else if (file)
2148 file->_flag = 0;
2149 file = NULL;
2152 TRACE(":got (%p)\n",file);
2153 if (!file)
2154 _close(fd);
2155 return file;
2158 /*********************************************************************
2159 * _wfopen (MSVCRT.@)
2161 MSVCRT_FILE *MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
2163 const unsigned int plen = strlenW(path), mlen = strlenW(mode);
2164 char *patha = MSVCRT_calloc(plen + 1, 1);
2165 char *modea = MSVCRT_calloc(mlen + 1, 1);
2167 TRACE("(%s,%s)\n",debugstr_w(path),debugstr_w(mode));
2169 if (patha && modea &&
2170 WideCharToMultiByte(CP_ACP,0,path,plen,patha,plen,NULL,NULL) &&
2171 WideCharToMultiByte(CP_ACP,0,mode,mlen,modea,mlen,NULL,NULL))
2173 MSVCRT_FILE *retval = MSVCRT_fopen(patha,modea);
2174 MSVCRT_free(patha);
2175 MSVCRT_free(modea);
2176 return retval;
2179 msvcrt_set_errno(GetLastError());
2180 return NULL;
2183 /*********************************************************************
2184 * _fsopen (MSVCRT.@)
2186 MSVCRT_FILE* MSVCRT__fsopen(const char *path, const char *mode, int share)
2188 FIXME(":(%s,%s,%d),ignoring share mode!\n",path,mode,share);
2189 return MSVCRT_fopen(path,mode);
2192 /*********************************************************************
2193 * _wfsopen (MSVCRT.@)
2195 MSVCRT_FILE* MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
2197 FIXME(":(%s,%s,%d),ignoring share mode!\n",
2198 debugstr_w(path),debugstr_w(mode),share);
2199 return MSVCRT__wfopen(path,mode);
2202 /* MSVCRT_fputc calls MSVCRT__flsbuf which calls MSVCRT_fputc */
2203 int MSVCRT__flsbuf(int c, MSVCRT_FILE* file);
2205 /*********************************************************************
2206 * fputc (MSVCRT.@)
2208 int MSVCRT_fputc(int c, MSVCRT_FILE* file)
2210 if(file->_cnt>0) {
2211 *file->_ptr++=c;
2212 file->_cnt--;
2213 return c;
2214 } else {
2215 return MSVCRT__flsbuf(c, file);
2219 /*********************************************************************
2220 * _flsbuf (MSVCRT.@)
2222 int MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
2224 /* Flush output buffer */
2225 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
2226 msvcrt_alloc_buffer(file);
2228 if(!(file->_flag & MSVCRT__IOWRT)) {
2229 if(file->_flag & MSVCRT__IORW) {
2230 file->_flag |= MSVCRT__IOWRT;
2231 } else {
2232 return MSVCRT_EOF;
2235 if(file->_bufsiz) {
2236 int res=msvcrt_flush_buffer(file);
2237 return res?res : MSVCRT_fputc(c, file);
2238 } else {
2239 unsigned char cc=c;
2240 int len;
2241 len = _write(file->_file, &cc, 1);
2242 if (len == 1) return c;
2243 file->_flag |= MSVCRT__IOERR;
2244 return MSVCRT_EOF;
2248 /*********************************************************************
2249 * _fputchar (MSVCRT.@)
2251 int _fputchar(int c)
2253 return MSVCRT_fputc(c, MSVCRT_stdout);
2256 /*********************************************************************
2257 * fread (MSVCRT.@)
2259 MSVCRT_size_t MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
2260 { MSVCRT_size_t rcnt=size * nmemb;
2261 MSVCRT_size_t read=0;
2262 int pread=0;
2264 /* first buffered data */
2265 if(file->_cnt>0) {
2266 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
2267 memcpy(ptr, file->_ptr, pcnt);
2268 file->_cnt -= pcnt;
2269 file->_ptr += pcnt;
2270 read += pcnt ;
2271 rcnt -= pcnt ;
2272 ptr = (char*)ptr + pcnt;
2273 } else if(!(file->_flag & MSVCRT__IOREAD )) {
2274 if(file->_flag & MSVCRT__IORW) {
2275 file->_flag |= MSVCRT__IOREAD;
2276 } else
2277 return 0;
2279 if(rcnt)
2281 pread = _read(file->_file,ptr, rcnt);
2282 /* expose feof condition in the flags
2283 * MFC tests file->_flag for feof, and doesn't not call feof())
2285 if (pread == 0)
2286 file->_flag |= MSVCRT__IOEOF;
2287 else if (pread == -1)
2289 file->_flag |= MSVCRT__IOERR;
2290 pread = 0;
2293 read+=pread;
2294 return read / size;
2297 /*********************************************************************
2298 * freopen (MSVCRT.@)
2301 MSVCRT_FILE* MSVCRT_freopen(const char *path, const char *mode,MSVCRT_FILE* file)
2303 int open_flags, stream_flags, fd;
2305 TRACE(":path (%p) mode (%s) file (%p) fd (%d)\n",path,mode,file,file->_file);
2306 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
2307 return NULL;
2309 MSVCRT_fclose(file);
2311 /* map mode string to open() flags. "man fopen" for possibilities. */
2312 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
2313 return NULL;
2315 fd = _open(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
2317 if (fd < 0)
2318 return NULL;
2319 if (msvcrt_init_fp(file, fd, stream_flags) != -1)
2321 file->_flag = 0;
2322 WARN(":failed-last error (%ld)\n",GetLastError());
2323 msvcrt_set_errno(GetLastError());
2324 return NULL;
2326 return file;
2329 /*********************************************************************
2330 * fsetpos (MSVCRT.@)
2332 int MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
2334 return _lseek(file->_file,*pos,SEEK_SET);
2337 /*********************************************************************
2338 * ftell (MSVCRT.@)
2340 LONG MSVCRT_ftell(MSVCRT_FILE* file)
2342 int off=0;
2343 long pos;
2344 if(file->_bufsiz) {
2345 if( file->_flag & MSVCRT__IOWRT ) {
2346 off = file->_ptr - file->_base;
2347 } else {
2348 off = -file->_cnt;
2351 pos = _tell(file->_file);
2352 if(pos == -1) return pos;
2353 return off + pos;
2356 /*********************************************************************
2357 * fgetpos (MSVCRT.@)
2359 int MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
2361 *pos = MSVCRT_ftell(file);
2362 return (*pos == -1? -1 : 0);
2365 /*********************************************************************
2366 * fputs (MSVCRT.@)
2368 int MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
2370 size_t i, len = strlen(s);
2371 if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
2372 return MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
2373 for (i=0; i<len; i++)
2374 if (MSVCRT_fputc(s[i], file) == MSVCRT_EOF)
2375 return MSVCRT_EOF;
2376 return 0;
2379 /*********************************************************************
2380 * fputws (MSVCRT.@)
2382 int MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
2384 size_t i, len = strlenW(s);
2385 if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
2386 return MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
2387 for (i=0; i<len; i++)
2389 if ((s[i] == L'\n') && (MSVCRT_fputc('\r', file) == MSVCRT_EOF))
2390 return MSVCRT_WEOF;
2391 if (MSVCRT_fputwc(s[i], file) == MSVCRT_WEOF)
2392 return MSVCRT_WEOF;
2394 return 0;
2397 /*********************************************************************
2398 * getchar (MSVCRT.@)
2400 int MSVCRT_getchar(void)
2402 return MSVCRT_fgetc(MSVCRT_stdin);
2405 /*********************************************************************
2406 * getc (MSVCRT.@)
2408 int MSVCRT_getc(MSVCRT_FILE* file)
2410 return MSVCRT_fgetc(file);
2413 /*********************************************************************
2414 * gets (MSVCRT.@)
2416 char *MSVCRT_gets(char *buf)
2418 int cc;
2419 char * buf_start = buf;
2421 for(cc = MSVCRT_fgetc(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
2422 cc = MSVCRT_fgetc(MSVCRT_stdin))
2423 if(cc != '\r') *buf++ = (char)cc;
2425 *buf = '\0';
2427 TRACE("got '%s'\n", buf_start);
2428 return buf_start;
2431 /*********************************************************************
2432 * _getws (MSVCRT.@)
2434 MSVCRT_wchar_t* MSVCRT__getws(MSVCRT_wchar_t* buf)
2436 MSVCRT_wint_t cc;
2437 MSVCRT_wchar_t* ws = buf;
2439 for (cc = MSVCRT_fgetwc(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
2440 cc = MSVCRT_fgetwc(MSVCRT_stdin))
2442 if (cc != '\r')
2443 *buf++ = (MSVCRT_wchar_t)cc;
2445 *buf = '\0';
2447 TRACE("got '%s'\n", debugstr_w(ws));
2448 return ws;
2451 /*********************************************************************
2452 * putc (MSVCRT.@)
2454 int MSVCRT_putc(int c, MSVCRT_FILE* file)
2456 return MSVCRT_fputc(c, file);
2459 /*********************************************************************
2460 * putchar (MSVCRT.@)
2462 int MSVCRT_putchar(int c)
2464 return MSVCRT_fputc(c, MSVCRT_stdout);
2467 /*********************************************************************
2468 * puts (MSVCRT.@)
2470 int MSVCRT_puts(const char *s)
2472 size_t len = strlen(s);
2473 if (MSVCRT_fwrite(s,sizeof(*s),len,MSVCRT_stdout) != len) return MSVCRT_EOF;
2474 return MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
2477 /*********************************************************************
2478 * _putws (MSVCRT.@)
2480 int _putws(const MSVCRT_wchar_t *s)
2482 static const MSVCRT_wchar_t nl = '\n';
2483 size_t len = strlenW(s);
2484 if (MSVCRT_fwrite(s,sizeof(*s),len,MSVCRT_stdout) != len) return MSVCRT_EOF;
2485 return MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
2488 /*********************************************************************
2489 * remove (MSVCRT.@)
2491 int MSVCRT_remove(const char *path)
2493 TRACE("(%s)\n",path);
2494 if (DeleteFileA(path))
2495 return 0;
2496 TRACE(":failed (%ld)\n",GetLastError());
2497 msvcrt_set_errno(GetLastError());
2498 return -1;
2501 /*********************************************************************
2502 * _wremove (MSVCRT.@)
2504 int _wremove(const MSVCRT_wchar_t *path)
2506 TRACE("(%s)\n",debugstr_w(path));
2507 if (DeleteFileW(path))
2508 return 0;
2509 TRACE(":failed (%ld)\n",GetLastError());
2510 msvcrt_set_errno(GetLastError());
2511 return -1;
2514 /*********************************************************************
2515 * rename (MSVCRT.@)
2517 int MSVCRT_rename(const char *oldpath,const char *newpath)
2519 TRACE(":from %s to %s\n",oldpath,newpath);
2520 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
2521 return 0;
2522 TRACE(":failed (%ld)\n",GetLastError());
2523 msvcrt_set_errno(GetLastError());
2524 return -1;
2527 /*********************************************************************
2528 * _wrename (MSVCRT.@)
2530 int _wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
2532 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
2533 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
2534 return 0;
2535 TRACE(":failed (%ld)\n",GetLastError());
2536 msvcrt_set_errno(GetLastError());
2537 return -1;
2540 /*********************************************************************
2541 * setvbuf (MSVCRT.@)
2543 int MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
2545 /* TODO: Check if file busy */
2546 if(file->_bufsiz) {
2547 MSVCRT_free(file->_base);
2548 file->_bufsiz = 0;
2549 file->_cnt = 0;
2551 if(mode == MSVCRT__IOFBF) {
2552 file->_flag &= ~MSVCRT__IONBF;
2553 file->_base = file->_ptr = buf;
2554 if(buf) {
2555 file->_bufsiz = size;
2557 } else {
2558 file->_flag |= MSVCRT__IONBF;
2560 return 0;
2563 /*********************************************************************
2564 * setbuf (MSVCRT.@)
2566 void MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
2568 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
2571 /*********************************************************************
2572 * tmpnam (MSVCRT.@)
2574 char *MSVCRT_tmpnam(char *s)
2576 static int unique;
2577 char tmpstr[16];
2578 char *p;
2579 int count;
2580 if (s == 0)
2581 s = MSVCRT_tmpname;
2582 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
2583 p = s + sprintf(s, "\\s%s.", tmpstr);
2584 for (count = 0; count < MSVCRT_TMP_MAX; count++)
2586 msvcrt_int_to_base32(unique++, tmpstr);
2587 strcpy(p, tmpstr);
2588 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
2589 GetLastError() == ERROR_FILE_NOT_FOUND)
2590 break;
2592 return s;
2595 /*********************************************************************
2596 * tmpfile (MSVCRT.@)
2598 MSVCRT_FILE* MSVCRT_tmpfile(void)
2600 char *filename = MSVCRT_tmpnam(NULL);
2601 int fd;
2602 MSVCRT_FILE* file = NULL;
2604 fd = _open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY);
2605 if (fd != -1 && (file = msvcrt_alloc_fp()))
2607 if (msvcrt_init_fp(file, fd, MSVCRT__O_RDWR) == -1)
2609 file->_flag = 0;
2610 file = NULL;
2612 else file->_tmpfname = _strdup(filename);
2614 return file;
2617 /*********************************************************************
2618 * vfprintf (MSVCRT.@)
2620 int MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, va_list valist)
2622 char buf[2048], *mem = buf;
2623 int written, resize = sizeof(buf), retval;
2624 /* There are two conventions for vsnprintf failing:
2625 * Return -1 if we truncated, or
2626 * Return the number of bytes that would have been written
2627 * The code below handles both cases
2629 while ((written = vsnprintf(mem, resize, format, valist)) == -1 ||
2630 written > resize)
2632 resize = (written == -1 ? resize * 2 : written + 1);
2633 if (mem != buf)
2634 MSVCRT_free (mem);
2635 if (!(mem = (char *)MSVCRT_malloc(resize)))
2636 return MSVCRT_EOF;
2638 retval = MSVCRT_fwrite(mem, sizeof(*mem), written, file);
2639 if (mem != buf)
2640 MSVCRT_free (mem);
2641 return retval;
2644 /*********************************************************************
2645 * vfwprintf (MSVCRT.@)
2646 * FIXME:
2647 * Is final char included in written (then resize is too big) or not
2648 * (then we must test for equality too)?
2650 int MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, va_list valist)
2652 MSVCRT_wchar_t buf[2048], *mem = buf;
2653 int written, resize = sizeof(buf) / sizeof(MSVCRT_wchar_t), retval;
2654 /* See vfprintf comments */
2655 while ((written = _vsnwprintf(mem, resize, format, valist)) == -1 ||
2656 written > resize)
2658 resize = (written == -1 ? resize * 2 : written + sizeof(MSVCRT_wchar_t));
2659 if (mem != buf)
2660 MSVCRT_free (mem);
2661 if (!(mem = (MSVCRT_wchar_t *)MSVCRT_malloc(resize*sizeof(*mem))))
2662 return MSVCRT_EOF;
2664 retval = MSVCRT_fwrite(mem, sizeof(*mem), written, file);
2665 if (mem != buf)
2666 MSVCRT_free (mem);
2667 return retval;
2670 /*********************************************************************
2671 * vprintf (MSVCRT.@)
2673 int MSVCRT_vprintf(const char *format, va_list valist)
2675 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
2678 /*********************************************************************
2679 * vwprintf (MSVCRT.@)
2681 int MSVCRT_vwprintf(const MSVCRT_wchar_t *format, va_list valist)
2683 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
2686 /*********************************************************************
2687 * fprintf (MSVCRT.@)
2689 int MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
2691 va_list valist;
2692 int res;
2693 va_start(valist, format);
2694 res = MSVCRT_vfprintf(file, format, valist);
2695 va_end(valist);
2696 return res;
2699 /*********************************************************************
2700 * fwprintf (MSVCRT.@)
2702 int MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
2704 va_list valist;
2705 int res;
2706 va_start(valist, format);
2707 res = MSVCRT_vfwprintf(file, format, valist);
2708 va_end(valist);
2709 return res;
2712 /*********************************************************************
2713 * printf (MSVCRT.@)
2715 int MSVCRT_printf(const char *format, ...)
2717 va_list valist;
2718 int res;
2719 va_start(valist, format);
2720 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
2721 va_end(valist);
2722 return res;
2725 /*********************************************************************
2726 * ungetc (MSVCRT.@)
2728 int MSVCRT_ungetc(int c, MSVCRT_FILE * file)
2730 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
2731 msvcrt_alloc_buffer(file);
2732 file->_ptr++;
2734 if(file->_ptr>file->_base) {
2735 file->_ptr--;
2736 *file->_ptr=c;
2737 file->_cnt++;
2738 return c;
2740 return MSVCRT_EOF;
2743 /*********************************************************************
2744 * ungetwc (MSVCRT.@)
2746 MSVCRT_wint_t MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
2748 MSVCRT_wchar_t mwc = wc;
2749 char * pp = (char *)&mwc;
2750 int i;
2751 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
2752 if(pp[i] != MSVCRT_ungetc(pp[i],file))
2753 return MSVCRT_WEOF;
2755 return mwc;
2758 /*********************************************************************
2759 * wprintf (MSVCRT.@)
2761 int MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
2763 va_list valist;
2764 int res;
2765 va_start(valist, format);
2766 res = MSVCRT_vwprintf(format, valist);
2767 va_end(valist);
2768 return res;