/*
* PROJECT: ReactOS CRT library
* LICENSE: LGPL - See COPYING in the top level directory
* FILE: lib/sdk/crt/stdio/file.c
* PURPOSE: File CRT functions
* PROGRAMMERS: Wine team
* Ported to ReactOS by Aleksey Bragin (aleksey@reactos.org)
*/
/*********************************************
* This file contains ReactOS changes!!
* Don't blindly sync it with Wine code!
*
* If you break Unicode output on the console again, please update this counter:
* int hours_wasted_on_this = 42;
*********************************************/
/*
* msvcrt.dll file functions
*
* Copyright 1996,1998 Marcus Meissner
* Copyright 1996 Jukka Iivonen
* Copyright 1997,2000 Uwe Bonnes
* Copyright 2000 Jon Griffiths
* Copyright 2004 Eric Pouech
* Copyright 2004 Juan Lang
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* TODO
* Use the file flag hints O_SEQUENTIAL, O_RANDOM, O_SHORT_LIVED
*/
#include <precomp.h>
#include "wine/unicode.h"
#include "internal/wine/msvcrt.h"
#include <sys/utime.h>
#include <direct.h>
int *__p__fmode(void);
int *__p___mb_cur_max(void);
extern int _commode;
#ifndef _IOCOMMIT
#define _IOCOMMIT 0x4000
#endif
#ifdef feof
#undef feof
#endif
#ifdef _fileno
#undef _fileno
#endif
#ifdef ferror
#undef ferror
#endif
#ifdef clearerr
#undef clearerr
#endif
#undef getc
#undef getwc
#undef getchar
#undef getwchar
#undef putc
#undef putwc
#undef putchar
#undef putwchar
#undef vprintf
#undef vwprintf
/* _access() bit flags FIXME: incomplete */
/* defined in crt/io.h */
/* values for wxflag in file descriptor */
#define WX_OPEN 0x01
#define WX_ATEOF 0x02
#define WX_READNL 0x04 /* read started with \n */
#define WX_READEOF 0x04 /* like ATEOF, but for underlying file rather than buffer */
#define WX_PIPE 0x08
#define WX_READCR 0x08 /* underlying file is at \r */
#define WX_DONTINHERIT 0x10
#define WX_APPEND 0x20
#define WX_TTY 0x40
#define WX_TEXT 0x80
/* values for exflag - it's used differently in msvcr90.dll*/
#define EF_UTF8 0x01
#define EF_UTF16 0x02
#define EF_CRIT_INIT 0x04
#define EF_UNK_UNICODE 0x08
static char utf8_bom[3] = { 0xef, 0xbb, 0xbf };
static char utf16_bom[2] = { 0xff, 0xfe };
/* FIXME: this should be allocated dynamically */
#define MSVCRT_MAX_FILES 2048
#define MSVCRT_FD_BLOCK_SIZE 32
#define MSVCRT_INTERNAL_BUFSIZ 4096
/*********************************************************************
* __pioinfo (MSVCRT.@)
* array of pointers to ioinfo arrays [32]
*/
ioinfo * __pioinfo[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { 0 };
/*********************************************************************
* __badioinfo (MSVCRT.@)
*/
ioinfo __badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT };
typedef struct {
FILE file;
CRITICAL_SECTION crit;
} file_crit;
FILE _iob[_IOB_ENTRIES] = { { 0 } };
static file_crit* MSVCRT_fstream[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { NULL };
static int MSVCRT_max_streams = 512, MSVCRT_stream_idx;
/* INTERNAL: process umask */
static int MSVCRT_umask = 0;
/* INTERNAL: static data for tmpnam and _wtmpname functions */
static int tmpnam_unique;
/* This critical section protects the MSVCRT_fstreams table
* and MSVCRT_stream_idx from race conditions. It also
* protects fd critical sections creation code.
*/
static CRITICAL_SECTION MSVCRT_file_cs;
static CRITICAL_SECTION_DEBUG MSVCRT_file_cs_debug =
{
0, 0, &MSVCRT_file_cs,
{ &MSVCRT_file_cs_debug.ProcessLocksList, &MSVCRT_file_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs") }
};
static CRITICAL_SECTION MSVCRT_file_cs = { &MSVCRT_file_cs_debug, -1, 0, 0, 0, 0 };
#define LOCK_FILES() do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)
#define UNLOCK_FILES() do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)
static inline ioinfo* get_ioinfo_nolock(int fd)
{
ioinfo *ret = NULL;
if(fd>=0 && fd<MSVCRT_MAX_FILES)
ret = __pioinfo[fd/MSVCRT_FD_BLOCK_SIZE];
if(!ret)
return &__badioinfo;
return ret + (fd%MSVCRT_FD_BLOCK_SIZE);
}
static inline void init_ioinfo_cs(ioinfo *info)
{
if(!(info->exflag & EF_CRIT_INIT)) {
LOCK_FILES();
if(!(info->exflag & EF_CRIT_INIT)) {
InitializeCriticalSection(&info->crit);
info->exflag |= EF_CRIT_INIT;
}
UNLOCK_FILES();
}
}
ioinfo* get_ioinfo(int fd)
{
ioinfo *ret = get_ioinfo_nolock(fd);
if(ret == &__badioinfo)
return ret;
init_ioinfo_cs(ret);
EnterCriticalSection(&ret->crit);
return ret;
}
static inline BOOL alloc_pioinfo_block(int fd)
{
ioinfo *block;
int i;
if(fd<0 || fd>=MSVCRT_MAX_FILES)
{
*_errno() = ENFILE;
return FALSE;
}
block = calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(ioinfo));
if(!block)
{
WARN(":out of memory!\n");
*_errno() = ENOMEM;
return FALSE;
}
for(i=0; i<MSVCRT_FD_BLOCK_SIZE; i++)
block[i].handle = INVALID_HANDLE_VALUE;
if(InterlockedCompareExchangePointer((void**)&__pioinfo[fd/MSVCRT_FD_BLOCK_SIZE], block, NULL))
free(block);
return TRUE;
}
static inline ioinfo* get_ioinfo_alloc_fd(int fd)
{
ioinfo *ret;
ret = get_ioinfo(fd);
if(ret != &__badioinfo)
return ret;
if(!alloc_pioinfo_block(fd))
return &__badioinfo;
return get_ioinfo(fd);
}
static inline ioinfo* get_ioinfo_alloc(int *fd)
{
int i;
*fd = -1;
for(i=0; i<MSVCRT_MAX_FILES; i++)
{
ioinfo *info = get_ioinfo_nolock(i);
if(info == &__badioinfo)
{
if(!alloc_pioinfo_block(i))
return &__badioinfo;
info = get_ioinfo_nolock(i);
}
init_ioinfo_cs(info);
if(TryEnterCriticalSection(&info->crit))
{
if(info->handle == INVALID_HANDLE_VALUE)
{
*fd = i;
return info;
}
LeaveCriticalSection(&info->crit);
}
}
WARN(":files exhausted!\n");
*_errno() = ENFILE;
return &__badioinfo;
}
void release_ioinfo(ioinfo *info)
{
if(info!=&__badioinfo && info->exflag & EF_CRIT_INIT)
LeaveCriticalSection(&info->crit);
}
static inline FILE* msvcrt_get_file(int i)
{
file_crit *ret;
if(i >= MSVCRT_max_streams)
return NULL;
if(i < _IOB_ENTRIES)
return &_iob[i];
ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE];
if(!ret) {
MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] = calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(file_crit));
if(!MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE]) {
ERR("out of memory\n");
*_errno() = ENOMEM;
return NULL;
}
ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] + (i%MSVCRT_FD_BLOCK_SIZE);
} else
ret += i%MSVCRT_FD_BLOCK_SIZE;
return &ret->file;
}
/* INTERNAL: free a file entry fd */
static void msvcrt_free_fd(int fd)
{
ioinfo *fdinfo = get_ioinfo(fd);
if(fdinfo != &__badioinfo)
{
fdinfo->handle = INVALID_HANDLE_VALUE;
fdinfo->wxflag = 0;
}
TRACE(":fd (%d) freed\n",fd);
if (fd < 3)
{
switch (fd)
{
case 0:
SetStdHandle(STD_INPUT_HANDLE, 0);
break;
case 1:
SetStdHandle(STD_OUTPUT_HANDLE, 0);
break;
case 2:
SetStdHandle(STD_ERROR_HANDLE, 0);
break;
}
}
release_ioinfo(fdinfo);
}
static void msvcrt_set_fd(ioinfo *fdinfo, HANDLE hand, int flag)
{
fdinfo->handle = hand;
fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT | WX_PIPE | WX_TTY));
fdinfo->lookahead[0] = '\n';
fdinfo->lookahead[1] = '\n';
fdinfo->lookahead[2] = '\n';
fdinfo->exflag &= EF_CRIT_INIT;
switch (fdinfo-__pioinfo[0])
{
case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
}
}
/* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
/*static*/ int msvcrt_alloc_fd(HANDLE hand, int flag)
{
int fd;
ioinfo *info = get_ioinfo_alloc(&fd);
TRACE(":handle (%p) allocating fd (%d)\n", hand, fd);
if(info == &__badioinfo)
return -1;
msvcrt_set_fd(info, hand, flag);
release_ioinfo(info);
return fd;
}
/* INTERNAL: Allocate a FILE* for an fd slot */
/* caller must hold the files lock */
static FILE* msvcrt_alloc_fp(void)
{
int i;
FILE *file;
for (i = 3; i < MSVCRT_max_streams; i++)
{
file = msvcrt_get_file(i);
if (!file)
return NULL;
if (file->_flag == 0)
{
if (i == MSVCRT_stream_idx) MSVCRT_stream_idx++;
return file;
}
}
return NULL;
}
/* INTERNAL: initialize a FILE* from an open fd */
static int msvcrt_init_fp(FILE* file, int fd, unsigned stream_flags)
{
TRACE(":fd (%d) allocating FILE*\n",fd);
if (!(get_ioinfo_nolock(fd)->wxflag & WX_OPEN))
{
WARN(":invalid fd %d\n",fd);
*__doserrno() = 0;
*_errno() = EBADF;
return -1;
}
file->_ptr = file->_base = NULL;
file->_cnt = 0;
file->_file = fd;
file->_flag = stream_flags;
file->_tmpfname = NULL;
if(file<_iob || file>=_iob+_IOB_ENTRIES)
InitializeCriticalSection(&((file_crit*)file)->crit);
TRACE(":got FILE* (%p)\n",file);
return 0;
}
/* INTERNAL: Create an inheritance data block (for spawned process)
* The inheritance block is made of:
* 00 int nb of file descriptor (NBFD)
* 04 char file flags (wxflag): repeated for each fd
* 4+NBFD HANDLE file handle: repeated for each fd
*/
unsigned create_io_inherit_block(WORD *size, BYTE **block)
{
int fd, last_fd;
char* wxflag_ptr;
HANDLE* handle_ptr;
ioinfo* fdinfo;
for (last_fd=MSVCRT_MAX_FILES-1; last_fd>=0; last_fd--)
if (get_ioinfo_nolock(last_fd)->handle != INVALID_HANDLE_VALUE)
break;
last_fd++;
*size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * last_fd;
*block = calloc(1, *size);
if (!*block)
{
*size = 0;
return FALSE;
}
wxflag_ptr = (char*)*block + sizeof(unsigned);
handle_ptr = (HANDLE*)(wxflag_ptr + last_fd);
*(unsigned*)*block = last_fd;
for (fd = 0; fd < last_fd; fd++)
{
/* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
fdinfo = get_ioinfo_nolock(fd);
if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
{
*wxflag_ptr = fdinfo->wxflag;
*handle_ptr = fdinfo->handle;
}
else
{
*wxflag_ptr = 0;
*handle_ptr = INVALID_HANDLE_VALUE;
}
wxflag_ptr++; handle_ptr++;
}
return TRUE;
}
/* INTERNAL: Set up all file descriptors,
* as well as default streams (stdin, stderr and stdout)
*/
void msvcrt_init_io(void)
{
STARTUPINFOA si;
unsigned int i;
ioinfo *fdinfo;
GetStartupInfoA(&si);
if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
{
BYTE* wxflag_ptr;
HANDLE* handle_ptr;
unsigned int count;
count = *(unsigned*)si.lpReserved2;
wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
handle_ptr = (HANDLE*)(wxflag_ptr + count);
count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
count = min(count, MSVCRT_MAX_FILES);
for (i = 0; i < count; i++)
{
if ((*wxflag_ptr & WX_OPEN) && GetFileType(*handle_ptr) != FILE_TYPE_UNKNOWN)
{
fdinfo = get_ioinfo_alloc_fd(i);
if(fdinfo != &__badioinfo)
msvcrt_set_fd(fdinfo, *handle_ptr, *wxflag_ptr);
release_ioinfo(fdinfo);
}
wxflag_ptr++; handle_ptr++;
}
}
fdinfo = get_ioinfo_alloc_fd(STDIN_FILENO);
if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
DWORD type = GetFileType(h);
msvcrt_set_fd(fdinfo, h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
|((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0));
}
release_ioinfo(fdinfo);
fdinfo = get_ioinfo_alloc_fd(STDOUT_FILENO);
if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
DWORD type = GetFileType(h);
msvcrt_set_fd(fdinfo, h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
|((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0));
}
release_ioinfo(fdinfo);
fdinfo = get_ioinfo_alloc_fd(STDERR_FILENO);
if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
HANDLE h = GetStdHandle(STD_ERROR_HANDLE);
DWORD type = GetFileType(h);
msvcrt_set_fd(fdinfo, h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
|((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0));
}
release_ioinfo(fdinfo);
TRACE(":handles (%p)(%p)(%p)\n", get_ioinfo_nolock(STDIN_FILENO)->handle,
get_ioinfo_nolock(STDOUT_FILENO)->handle,
get_ioinfo_nolock(STDERR_FILENO)->handle);
memset(_iob,0,3*sizeof(FILE));
for (i = 0; i < 3; i++)
{
/* FILE structs for stdin/out/err are static and never deleted */
_iob[i]._file = i;
_iob[i]._tmpfname = NULL;
_iob[i]._flag = (i == 0) ? _IOREAD : _IOWRT;
}
MSVCRT_stream_idx = 3;
}
/* INTERNAL: Flush stdio file buffer */
static int msvcrt_flush_buffer(FILE* file)
{
if((file->_flag & (_IOREAD|_IOWRT)) == _IOWRT &&
file->_flag & (_IOMYBUF|_USERBUF)) {
int cnt=file->_ptr-file->_base;
if(cnt>0 && _write(file->_file, file->_base, cnt) != cnt) {
file->_flag |= _IOERR;
return EOF;
}
if(file->_flag & _IORW)
file->_flag &= ~_IOWRT;
#ifdef __REACTOS__ /* CORE-11949 */
file->_ptr=file->_base;
file->_cnt=0;
#endif
}
#ifndef __REACTOS__ /* CORE-11949 */
file->_ptr=file->_base;
file->_cnt=0;
#endif
return 0;
}
/*********************************************************************
* _isatty (MSVCRT.@)
*/
int CDECL _isatty(int fd)
{
TRACE(":fd (%d)\n",fd);
return get_ioinfo_nolock(fd)->wxflag & WX_TTY;
}
/* INTERNAL: Allocate stdio file buffer */
/*static*/ BOOL msvcrt_alloc_buffer(FILE* file)
{
if((file->_file==STDOUT_FILENO || file->_file==STDERR_FILENO)
&& _isatty(file->_file))
return FALSE;
file->_base = calloc(1, MSVCRT_INTERNAL_BUFSIZ);
if(file->_base) {
file->_bufsiz = MSVCRT_INTERNAL_BUFSIZ;
file->_flag |= _IOMYBUF;
} else {
file->_base = (char*)(&file->_charbuf);
file->_bufsiz = 2;
file->_flag |= _IONBF;
}
file->_ptr = file->_base;
file->_cnt = 0;
return TRUE;
}
/* INTERNAL: Allocate temporary buffer for stdout and stderr */
static BOOL add_std_buffer(FILE *file)
{
static char buffers[2][BUFSIZ];
if((file->_file!=STDOUT_FILENO && file->_file!=STDERR_FILENO)
|| (file->_flag & (_IONBF | _IOMYBUF | _USERBUF))
|| !_isatty(file->_file))
return FALSE;
file->_ptr = file->_base = buffers[file->_file == STDOUT_FILENO ? 0 : 1];
file->_bufsiz = file->_cnt = BUFSIZ;
file->_flag |= _USERBUF;
return TRUE;
}
/* INTERNAL: Removes temporary buffer from stdout or stderr */
/* Only call this function when add_std_buffer returned TRUE */
static void remove_std_buffer(FILE *file)
{
msvcrt_flush_buffer(file);
file->_ptr = file->_base = NULL;
file->_bufsiz = file->_cnt = 0;
file->_flag &= ~_USERBUF;
}
/* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
static int msvcrt_int_to_base32(int num, char *str)
{
char *p;
int n = num;
int digits = 0;
while (n != 0)
{
n >>= 5;
digits++;
}
p = str + digits;
*p = 0;
while (--p >= str)
{
*p = (num & 31) + '0';
if (*p > '9')
*p += ('a' - '0' - 10);
num >>= 5;
}
return digits;
}
/* INTERNAL: wide character version of msvcrt_int_to_base32 */
static int msvcrt_int_to_base32_w(int num, wchar_t *str)
{
wchar_t *p;
int n = num;
int digits = 0;
while (n != 0)
{
n >>= 5;
digits++;
}
p = str + digits;
*p = 0;
while (--p >= str)
{
*p = (num & 31) + '0';
if (*p > '9')
*p += ('a' - '0' - 10);
num >>= 5;
}
return digits;
}
/* INTERNAL: Create a wide string from an ascii string */
wchar_t *msvcrt_wstrdupa(const char *str)
{
const unsigned int len = strlen(str) + 1 ;
wchar_t *wstr = malloc(len* sizeof (wchar_t));
if (!wstr)
return NULL;
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,str,len,wstr,len);
return wstr;
}
/*********************************************************************
* __iob_func(MSVCRT.@)
*/
FILE * CDECL __iob_func(void)
{
return &_iob[0];
}
/*********************************************************************
* _access (MSVCRT.@)
*/
int CDECL _access(const char *filename, int mode)
{
DWORD attr = GetFileAttributesA(filename);
TRACE("(%s,%d) %d\n",filename,mode,attr);
if (!filename || attr == INVALID_FILE_ATTRIBUTES)
{
_dosmaperr(GetLastError());
return -1;
}
if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & W_OK))
{
_set_errno(ERROR_ACCESS_DENIED);
return -1;
}
return 0;
}
/*********************************************************************
* _access_s (MSVCRT.@)
*/
int CDECL _access_s(const char *filename, int mode)
{
if (!MSVCRT_CHECK_PMT(filename != NULL) ||
!MSVCRT_CHECK_PMT((mode & ~(R_OK | W_OK)) == 0))
{
_set_errno(EINVAL);
return -1;
}
return _access(filename, mode);
}
/*********************************************************************
* _waccess (MSVCRT.@)
*/
int CDECL _waccess(const wchar_t *filename, int mode)
{
DWORD attr = GetFileAttributesW(filename);
TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
if (!filename || attr == INVALID_FILE_ATTRIBUTES)
{
_dosmaperr(GetLastError());
return -1;
}
if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & W_OK))
{
_set_errno(ERROR_ACCESS_DENIED);
return -1;
}
return 0;
}
/*********************************************************************
* _waccess_s (MSVCRT.@)
*/
int CDECL _waccess_s(const wchar_t *filename, int mode)
{
if (!MSVCRT_CHECK_PMT(filename != NULL) ||
!MSVCRT_CHECK_PMT((mode & ~(R_OK | W_OK)) == 0))
{
*_errno() = EINVAL;
return -1;
}
return _waccess(filename, mode);
}
/*********************************************************************
* _chmod (MSVCRT.@)
*/
int CDECL _chmod(const char *path, int flags)
{
DWORD oldFlags = GetFileAttributesA(path);
if (oldFlags != INVALID_FILE_ATTRIBUTES)
{
DWORD newFlags = (flags & _S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
oldFlags | FILE_ATTRIBUTE_READONLY;
if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
return 0;
}
_dosmaperr(GetLastError());
return -1;
}
/*********************************************************************
* _wchmod (MSVCRT.@)
*/
int CDECL _wchmod(const wchar_t *path, int flags)
{
DWORD oldFlags = GetFileAttributesW(path);
if (oldFlags != INVALID_FILE_ATTRIBUTES)
{
DWORD newFlags = (flags & _S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
oldFlags | FILE_ATTRIBUTE_READONLY;
if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
return 0;
}
_dosmaperr(GetLastError());
return -1;
}
/*********************************************************************
* _unlink (MSVCRT.@)
*/
int CDECL _unlink(const char *path)
{
TRACE("%s\n",debugstr_a(path));
if(DeleteFileA(path))
return 0;
TRACE("failed (%d)\n",GetLastError());
_dosmaperr(GetLastError());
return -1;
}
/*********************************************************************
* _wunlink (MSVCRT.@)
*/
int CDECL _wunlink(const wchar_t *path)
{
TRACE("(%s)\n",debugstr_w(path));
if(DeleteFileW(path))
return 0;
TRACE("failed (%d)\n",GetLastError());
_dosmaperr(GetLastError());
return -1;
}
/*********************************************************************
* _commit (MSVCRT.@)
*/
int CDECL _commit(int fd)
{
ioinfo *info = get_ioinfo(fd);
int ret;
TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
if (info->handle == INVALID_HANDLE_VALUE)
ret = -1;
else if (!FlushFileBuffers(info->handle))
{
if (GetLastError() == ERROR_INVALID_HANDLE)
{
/* FlushFileBuffers fails for console handles
* so we ignore this error.
*/
ret = 0;
}
else
{
TRACE(":failed-last error (%d)\n",GetLastError());
_dosmaperr(GetLastError());
ret = -1;
}
}
else
{
TRACE(":ok\n");
ret = 0;
}
release_ioinfo(info);
return ret;
}
/* _flushall calls fflush which calls _flushall */
int CDECL fflush(FILE* file);
/* INTERNAL: Flush all stream buffer */
static int msvcrt_flush_all_buffers(int mask)
{
int i, num_flushed = 0;
FILE *file;
LOCK_FILES();
for (i = 0; i < MSVCRT_stream_idx; i++) {
file = msvcrt_get_file(i);
if (file->_flag)
{
if(file->_flag & mask) {
fflush(file);
num_flushed++;
}
}
}
UNLOCK_FILES();
TRACE(":flushed (%d) handles\n",num_flushed);
return num_flushed;
}
/*********************************************************************
* _flushall (MSVCRT.@)
*/
int CDECL _flushall(void)
{
return msvcrt_flush_all_buffers(_IOWRT | _IOREAD);
}
/*********************************************************************
* fflush (MSVCRT.@)
*/
int CDECL fflush(FILE* file)
{
if(!file) {
msvcrt_flush_all_buffers(_IOWRT);
} else if(file->_flag & _IOWRT) {
int res;
_lock_file(file);
res = msvcrt_flush_buffer(file);
/* FIXME
if(!res && (file->_flag & _IOCOMMIT))
res = _commit(file->_file) ? EOF : 0;
*/
_unlock_file(file);
return res;
} else if(file->_flag & _IOREAD) {
_lock_file(file);
file->_cnt = 0;
file->_ptr = file->_base;
_unlock_file(file);
return 0;
}
return 0;
}
/*********************************************************************
* _close (MSVCRT.@)
*/
int CDECL _close(int fd)
{
ioinfo *info = get_ioinfo(fd);
int ret;
TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
if (!(info->wxflag & WX_OPEN)) {
ret = -1;
} else if (fd == STDOUT_FILENO &&
info->handle == get_ioinfo_nolock(STDERR_FILENO)->handle) {
msvcrt_free_fd(fd);
ret = 0;
} else if (fd == STDERR_FILENO &&
info->handle == get_ioinfo_nolock(STDOUT_FILENO)->handle) {
msvcrt_free_fd(fd);
ret = 0;
} else {
ret = CloseHandle(info->handle) ? 0 : -1;
msvcrt_free_fd(fd);
if (ret) {
WARN(":failed-last error (%d)\n",GetLastError());
_dosmaperr(GetLastError());
ret = -1;
}
}
release_ioinfo(info);
return ret;
}
/*********************************************************************
* _dup2 (MSVCRT.@)
* NOTES
* MSDN isn't clear on this point, but the remarks for _pipe
* indicate file descriptors duplicated with _dup and _dup2 are always
* inheritable.
*/
int CDECL _dup2(int od, int nd)
{
ioinfo *info_od, *info_nd;
int ret;
TRACE("(od=%d, nd=%d)\n", od, nd);
if (od < nd)
{
info_od = get_ioinfo(od);
info_nd = get_ioinfo_alloc_fd(nd);
}
else
{
info_nd = get_ioinfo_alloc_fd(nd);
info_od = get_ioinfo(od);
}
if (info_nd == &__badioinfo)
{
ret = -1;
}
else if (info_od->wxflag & WX_OPEN)
{
HANDLE handle;
if (DuplicateHandle(GetCurrentProcess(), info_od->handle,
GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
{
int wxflag = info_od->wxflag & ~WX_DONTINHERIT;
if (info_nd->wxflag & WX_OPEN)
_close(nd);
msvcrt_set_fd(info_nd, handle, wxflag);
/* _dup2 returns 0, not nd, on success */
ret = 0;
}
else
{
ret = -1;
_dosmaperr(GetLastError());
}
}
else
{
*_errno() = EBADF;
ret = -1;
}
release_ioinfo(info_od);
release_ioinfo(info_nd);
return ret;
}
/*********************************************************************
* _dup (MSVCRT.@)
*/
int CDECL _dup(int od)
{
int fd, ret;
ioinfo *info = get_ioinfo_alloc(&fd);
if (_dup2(od, fd) == 0)
ret = fd;
else
ret = -1;
release_ioinfo(info);
return ret;
}
/*********************************************************************
* _eof (MSVCRT.@)
*/
int CDECL _eof(int fd)
{
ioinfo *info = get_ioinfo(fd);
DWORD curpos,endpos;
LONG hcurpos,hendpos;
TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
if (info->handle == INVALID_HANDLE_VALUE)
{
release_ioinfo(info);
return -1;
}
if (info->wxflag & WX_ATEOF)
{
release_ioinfo(info);
return TRUE;
}
/* Otherwise we do it the hard way */
hcurpos = hendpos = 0;
curpos = SetFilePointer(info->handle, 0, &hcurpos, FILE_CURRENT);
endpos = SetFilePointer(info->handle, 0, &hendpos, FILE_END);
if (curpos == endpos && hcurpos == hendpos)
{
/* FIXME: shouldn't WX_ATEOF be set here? */
release_ioinfo(info);
return TRUE;
}
SetFilePointer(info->handle, curpos, &hcurpos, FILE_BEGIN);
release_ioinfo(info);
return FALSE;
}
/*********************************************************************
* _fcloseall (MSVCRT.@)
*/
int CDECL _fcloseall(void)
{
int num_closed = 0, i;
FILE *file;
LOCK_FILES();
for (i = 3; i < MSVCRT_stream_idx; i++) {
file = msvcrt_get_file(i);
if (file->_flag && !fclose(file))
num_closed++;
}
UNLOCK_FILES();
TRACE(":closed (%d) handles\n",num_closed);
return num_closed;
}
/* free everything on process exit */
void msvcrt_free_io(void)
{
unsigned int i;
int j;
_flushall();
_fcloseall();
for(i=0; i<sizeof(__pioinfo)/sizeof(__pioinfo[0]); i++)
{
if(!__pioinfo[i])
continue;
for(j=0; j<MSVCRT_FD_BLOCK_SIZE; j++)
{
if(__pioinfo[i][j].exflag & EF_CRIT_INIT)
DeleteCriticalSection(&__pioinfo[i][j].crit);
}
free(__pioinfo[i]);
}
for(j=0; j<MSVCRT_stream_idx; j++)
{
FILE *file = msvcrt_get_file(j);
if(file<_iob || file>=_iob+_IOB_ENTRIES)
{
((file_crit*)file)->crit.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&((file_crit*)file)->crit);
}
}
for(i=0; i<sizeof(MSVCRT_fstream)/sizeof(MSVCRT_fstream[0]); i++)
free(MSVCRT_fstream[i]);
}
/*********************************************************************
* _lseeki64 (MSVCRT.@)
*/
__int64 CDECL _lseeki64(int fd, __int64 offset, int whence)
{
ioinfo *info = get_ioinfo(fd);
LARGE_INTEGER ofs;
TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
if (info->handle == INVALID_HANDLE_VALUE)
{
release_ioinfo(info);
return -1;
}
if (whence < 0 || whence > 2)
{
release_ioinfo(info);
*_errno() = EINVAL;
return -1;
}
TRACE(":fd (%d) to %s pos %s\n",
fd,wine_dbgstr_longlong(offset),
(whence==SEEK_SET)?"SEEK_SET":
(whence==SEEK_CUR)?"SEEK_CUR":
(whence==SEEK_END)?"SEEK_END":"UNKNOWN");
/* The MoleBox protection scheme expects msvcrt to use SetFilePointer only,
* so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */
ofs.QuadPart = offset;
if ((ofs.u.LowPart = SetFilePointer(info->handle, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER ||
GetLastError() == ERROR_SUCCESS)
{
info->wxflag &= ~(WX_ATEOF|WX_READEOF);
/* FIXME: What if we seek _to_ EOF - is EOF set? */
release_ioinfo(info);
return ofs.QuadPart;
}
release_ioinfo(info);
TRACE(":error-last error (%d)\n",GetLastError());
_dosmaperr(GetLastError());
return -1;
}
/*********************************************************************
* _lseek (MSVCRT.@)
*/
LONG CDECL _lseek(int fd, LONG offset, int whence)
{
return (LONG)_lseeki64(fd, offset, whence);
}
/*********************************************************************
* _lock_file (MSVCRT.@)
*/
void CDECL _lock_file(FILE *file)
{
if(file>=_iob && file<_iob+_IOB_ENTRIES)
_lock(_STREAM_LOCKS+(file-_iob));
/* ReactOS: string streams dont need to be locked */
else if(!(file->_flag & _IOSTRG))
EnterCriticalSection(&((file_crit*)file)->crit);
}
/*********************************************************************
* _unlock_file (MSVCRT.@)
*/
void CDECL _unlock_file(FILE *file)
{
if(file>=_iob && file<_iob+_IOB_ENTRIES)
_unlock(_STREAM_LOCKS+(file-_iob));
/* ReactOS: string streams dont need to be locked */
else if(!(file->_flag & _IOSTRG))
LeaveCriticalSection(&((file_crit*)file)->crit);
}
/*********************************************************************
* _locking (MSVCRT.@)
*
* This is untested; the underlying LockFile doesn't work yet.
*/
int CDECL _locking(int fd, int mode, LONG nbytes)
{
ioinfo *info = get_ioinfo(fd);
BOOL ret;
DWORD cur_locn;
TRACE(":fd (%d) handle (%p)\n", fd, info->handle);
if (info->handle == INVALID_HANDLE_VALUE)
{
release_ioinfo(info);
return -1;
}
if (mode < 0 || mode > 4)
{
release_ioinfo(info);
*_errno() = EINVAL;
return -1;
}
TRACE(":fd (%d) by 0x%08x mode %s\n",
fd,nbytes,(mode==_LK_UNLCK)?"_LK_UNLCK":
(mode==_LK_LOCK)?"_LK_LOCK":
(mode==_LK_NBLCK)?"_LK_NBLCK":
(mode==_LK_RLCK)?"_LK_RLCK":
(mode==_LK_NBRLCK)?"_LK_NBRLCK":
"UNKNOWN");
if ((cur_locn = SetFilePointer(info->handle, 0L, NULL, FILE_CURRENT)) == INVALID_SET_FILE_POINTER)
{
release_ioinfo(info);
FIXME ("Seek failed\n");
*_errno() = EINVAL; /* FIXME */
return -1;
}
if (mode == _LK_LOCK || mode == _LK_RLCK)
{
int nretry = 10;
ret = 1; /* just to satisfy gcc */
while (nretry--)
{
ret = LockFile(info->handle, cur_locn, 0L, nbytes, 0L);
if (ret) break;
Sleep(1);
}
}
else if (mode == _LK_UNLCK)
ret = UnlockFile(info->handle, cur_locn, 0L, nbytes, 0L);
else
ret = LockFile(info->handle, cur_locn, 0L, nbytes, 0L);
/* FIXME - what about error settings? */
release_ioinfo(info);
return ret ? 0 : -1;
}
/*********************************************************************
* _fseeki64 (MSVCRT.@)
*/
int CDECL _fseeki64(FILE* file, __int64 offset, int whence)
{
int ret;
_lock_file(file);
/* Flush output if needed */
if(file->_flag & _IOWRT)
msvcrt_flush_buffer(file);
if(whence == SEEK_CUR && file->_flag & _IOREAD ) {
whence = SEEK_SET;
offset += _ftelli64(file);
}
/* Discard buffered input */
file->_cnt = 0;
file->_ptr = file->_base;
/* Reset direction of i/o */
if(file->_flag & _IORW) {
file->_flag &= ~(_IOREAD|_IOWRT);
}
/* Clear end of file flag */
file->_flag &= ~_IOEOF;
ret = (_lseeki64(file->_file,offset,whence) == -1)?-1:0;
_unlock_file(file);
return ret;
}
/*********************************************************************
* fseek (MSVCRT.@)
*/
int CDECL fseek(FILE* file, long offset, int whence)
{
return _fseeki64( file, offset, whence );
}
/*********************************************************************
* _chsize_s (MSVCRT.@)
*/
int CDECL _chsize_s(int fd, __int64 size)
{
ioinfo *info;
__int64 cur, pos;
BOOL ret = FALSE;
TRACE("(fd=%d, size=%s)\n", fd, wine_dbgstr_longlong(size));
if (!MSVCRT_CHECK_PMT(size >= 0)) return EINVAL;
info = get_ioinfo(fd);
if (info->handle != INVALID_HANDLE_VALUE)
{
/* save the current file pointer */
cur = _lseeki64(fd, 0, SEEK_CUR);
if (cur >= 0)
{
pos = _lseeki64(fd, size, SEEK_SET);
if (pos >= 0)
{
ret = SetEndOfFile(info->handle);
if (!ret) _dosmaperr(GetLastError());
}
/* restore the file pointer */
_lseeki64(fd, cur, SEEK_SET);
}
}
release_ioinfo(info);
return ret ? 0 : *_errno();
}
/*********************************************************************
* _chsize (MSVCRT.@)
*/
int CDECL _chsize(int fd, long size)
{
/* _chsize_s returns errno on failure but _chsize should return -1 */
return _chsize_s( fd, size ) == 0 ? 0 : -1;
}
/*********************************************************************
* clearerr (MSVCRT.@)
*/
void CDECL clearerr(FILE* file)
{
TRACE(":file (%p) fd (%d)\n",file,file->_file);
_lock_file(file);
file->_flag &= ~(_IOERR | _IOEOF);
_unlock_file(file);
}
/*********************************************************************
* rewind (MSVCRT.@)
*/
void CDECL rewind(FILE* file)
{
TRACE(":file (%p) fd (%d)\n",file,file->_file);
_lock_file(file);
fseek(file, 0L, SEEK_SET);
clearerr(file);
_unlock_file(file);
}
static int msvcrt_get_flags(const wchar_t* mode, int *open_flags, int* stream_flags)
{
int plus = strchrW(mode, '+') != NULL;
TRACE("%s\n", debugstr_w(mode));
while(*mode == ' ') mode++;
switch(*mode++)
{
case 'R': case 'r':
*open_flags = plus ? _O_RDWR : _O_RDONLY;
*stream_flags = plus ? _IORW : _IOREAD;
break;
case 'W': case 'w':
*open_flags = _O_CREAT | _O_TRUNC | (plus ? _O_RDWR : _O_WRONLY);
*stream_flags = plus ? _IORW : _IOWRT;
break;
case 'A': case 'a':
*open_flags = _O_CREAT | _O_APPEND | (plus ? _O_RDWR : _O_WRONLY);
*stream_flags = plus ? _IORW : _IOWRT;
break;
default:
MSVCRT_INVALID_PMT(0, EINVAL);
return -1;
}
*stream_flags |= _commode;
while (*mode && *mode!=',')
switch (*mode++)
{
case 'B': case 'b':
*open_flags |= _O_BINARY;
*open_flags &= ~_O_TEXT;
break;
case 't':
*open_flags |= _O_TEXT;
*open_flags &= ~_O_BINARY;
break;
case 'D':
*open_flags |= _O_TEMPORARY;
break;
case 'T':
*open_flags |= _O_SHORT_LIVED;
break;
case 'c':
*stream_flags |= _IOCOMMIT;
break;
case 'n':
*stream_flags &= ~_IOCOMMIT;
break;
case 'N':
*open_flags |= _O_NOINHERIT;
break;
case '+':
case ' ':
case 'a':
case 'w':
break;
case 'S':
case 'R':
FIXME("ignoring cache optimization flag: %c\n", mode[-1]);
break;
default:
ERR("incorrect mode flag: %c\n", mode[-1]);
break;
}
if(*mode == ',')
{
static const WCHAR ccs[] = {'c','c','s'};
static const WCHAR utf8[] = {'u','t','f','-','8'};
static const WCHAR utf16le[] = {'u','t','f','-','1','6','l','e'};
static const WCHAR unicode[] = {'u','n','i','c','o','d','e'};
mode++;
while(*mode == ' ') mode++;
if(!MSVCRT_CHECK_PMT(!strncmpW(ccs, mode, sizeof(ccs)/sizeof(ccs[0]))))
return -1;
mode += sizeof(ccs)/sizeof(ccs[0]);
while(*mode == ' ') mode++;
if(!MSVCRT_CHECK_PMT(*mode == '='))
return -1;
mode++;
while(*mode == ' ') mode++;
if(!strncmpiW(utf8, mode, sizeof(utf8)/sizeof(utf8[0])))
{
*open_flags |= _O_U8TEXT;
mode += sizeof(utf8)/sizeof(utf8[0]);
}
else if(!strncmpiW(utf16le, mode, sizeof(utf16le)/sizeof(utf16le[0])))
{
*open_flags |= _O_U16TEXT;
mode += sizeof(utf16le)/sizeof(utf16le[0]);
}
else if(!strncmpiW(unicode, mode, sizeof(unicode)/sizeof(unicode[0])))
{
*open_flags |= _O_WTEXT;
mode += sizeof(unicode)/sizeof(unicode[0]);
}
else
{
MSVCRT_INVALID_PMT(0, EINVAL);
return -1;
}
while(*mode == ' ') mode++;
}
if(!MSVCRT_CHECK_PMT(*mode == 0))
return -1;
return 0;
}
/*********************************************************************
* _fdopen (MSVCRT.@)
*/
FILE* CDECL _fdopen(int fd, const char *mode)
{
FILE *ret;
wchar_t *modeW = NULL;
if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
ret = _wfdopen(fd, modeW);
free(modeW);
return ret;
}
/*********************************************************************
* _wfdopen (MSVCRT.@)
*/
FILE* CDECL _wfdopen(int fd, const wchar_t *mode)
{
int open_flags, stream_flags;
FILE* file;
if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
LOCK_FILES();
if (!(file = msvcrt_alloc_fp()))
file = NULL;
else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
{
file->_flag = 0;
file = NULL;
}
else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
UNLOCK_FILES();
return file;
}
/*********************************************************************
* _filelength (MSVCRT.@)
*/
LONG CDECL _filelength(int fd)
{
LONG curPos = _lseek(fd, 0, SEEK_CUR);
if (curPos != -1)
{
LONG endPos = _lseek(fd, 0, SEEK_END);
if (endPos != -1)
{
if (endPos != curPos)
_lseek(fd, curPos, SEEK_SET);
return endPos;
}
}
return -1;
}
/*********************************************************************
* _filelengthi64 (MSVCRT.@)
*/
__int64 CDECL _filelengthi64(int fd)
{
__int64 curPos = _lseeki64(fd, 0, SEEK_CUR);
if (curPos != -1)
{
__int64 endPos = _lseeki64(fd, 0, SEEK_END);
if (endPos != -1)
{
if (endPos != curPos)
_lseeki64(fd, curPos, SEEK_SET);
return endPos;
}
}
return -1;
}
/*********************************************************************
* _fileno (MSVCRT.@)
*/
int CDECL _fileno(FILE* file)
{
TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
return file->_file;
}
/*********************************************************************
* _get_osfhandle (MSVCRT.@)
*/
intptr_t CDECL _get_osfhandle(int fd)
{
HANDLE hand = get_ioinfo_nolock(fd)->handle;
TRACE(":fd (%d) handle (%p)\n",fd,hand);
if(hand == INVALID_HANDLE_VALUE)
*_errno() = EBADF;
return (intptr_t)hand;
}
/*********************************************************************
* _mktemp (MSVCRT.@)
*/
char * CDECL _mktemp(char *pattern)
{
int numX = 0;
char *retVal = pattern;
int id;
char letter = 'a';
if(!pattern)
return NULL;
while(*pattern)
numX = (*pattern++ == 'X')? numX + 1 : 0;
if (numX < 6)
return NULL;
pattern--;
id = GetCurrentProcessId();
numX = 6;
while(numX--)
{
int tempNum = id / 10;
*pattern-- = id - (tempNum * 10) + '0';
id = tempNum;
}
pattern++;
do
{
*pattern = letter++;
if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES)
return retVal;
} while(letter <= 'z');
return NULL;
}
/*********************************************************************
* _wmktemp (MSVCRT.@)
*/
wchar_t * CDECL _wmktemp(wchar_t *pattern)
{
int numX = 0;
wchar_t *retVal = pattern;
int id;
wchar_t letter = 'a';
while(*pattern)
numX = (*pattern++ == 'X')? numX + 1 : 0;
if (numX < 5)
return NULL;
pattern--;
id = GetCurrentProcessId();
numX = 6;
while(numX--)
{
int tempNum = id / 10;
*pattern-- = id - (tempNum * 10) + '0';
id = tempNum;
}
pattern++;
do
{
if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES &&
GetLastError() == ERROR_FILE_NOT_FOUND)
return retVal;
*pattern = letter++;
} while(letter != '|');
return NULL;
}
/*static*/ unsigned split_oflags(unsigned oflags)
{
int wxflags = 0;
unsigned unsupp; /* until we support everything */
if (oflags & _O_APPEND) wxflags |= WX_APPEND;
if (oflags & _O_BINARY) {/* Nothing to do */}
else if (oflags & _O_TEXT) wxflags |= WX_TEXT;
else if (oflags & _O_WTEXT) wxflags |= WX_TEXT;
else if (oflags & _O_U16TEXT) wxflags |= WX_TEXT;
else if (oflags & _O_U8TEXT) wxflags |= WX_TEXT;
else if (*__p__fmode() & _O_BINARY) {/* Nothing to do */}
else wxflags |= WX_TEXT; /* default to TEXT*/
if (oflags & _O_NOINHERIT) wxflags |= WX_DONTINHERIT;
if ((unsupp = oflags & ~(
_O_BINARY|_O_TEXT|_O_APPEND|
_O_TRUNC|_O_EXCL|_O_CREAT|
_O_RDWR|_O_WRONLY|_O_TEMPORARY|
_O_NOINHERIT|
_O_SEQUENTIAL|_O_RANDOM|_O_SHORT_LIVED|
_O_WTEXT|_O_U16TEXT|_O_U8TEXT
)))
ERR(":unsupported oflags 0x%04x\n",unsupp);
return wxflags;
}
/*********************************************************************
* _pipe (MSVCRT.@)
*/
int CDECL _pipe(int *pfds, unsigned int psize, int textmode)
{
int ret = -1;
SECURITY_ATTRIBUTES sa;
HANDLE readHandle, writeHandle;
if (!pfds)
{
*_errno() = EINVAL;
return -1;
}
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.bInheritHandle = !(textmode & _O_NOINHERIT);
sa.lpSecurityDescriptor = NULL;
if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
{
unsigned int wxflags = split_oflags(textmode);
int fd;
fd = msvcrt_alloc_fd(readHandle, wxflags);
if (fd != -1)
{
pfds[0] = fd;
fd = msvcrt_alloc_fd(writeHandle, wxflags);
if (fd != -1)
{
pfds[1] = fd;
ret = 0;
}
else
{
_close(pfds[0]);
CloseHandle(writeHandle);
*_errno() = EMFILE;
}
}
else
{
CloseHandle(readHandle);
CloseHandle(writeHandle);
*_errno() = EMFILE;
}
}
else
_dosmaperr(GetLastError());
return ret;
}
static int check_bom(HANDLE h, int oflags, BOOL seek)
{
char bom[sizeof(utf8_bom)];
DWORD r;
oflags &= ~(_O_WTEXT|_O_U16TEXT|_O_U8TEXT);
if (!ReadFile(h, bom, sizeof(utf8_bom), &r, NULL))
return oflags;
if (r==sizeof(utf8_bom) && !memcmp(bom, utf8_bom, sizeof(utf8_bom))) {
oflags |= _O_U8TEXT;
}else if (r>=sizeof(utf16_bom) && !memcmp(bom, utf16_bom, sizeof(utf16_bom))) {
if (seek && r>2)
SetFilePointer(h, 2, NULL, FILE_BEGIN);
oflags |= _O_U16TEXT;
}else if (seek) {
SetFilePointer(h, 0, NULL, FILE_BEGIN);
}
return oflags;
}
/*********************************************************************
* _wsopen_s (MSVCRT.@)
*/
int CDECL _wsopen_s( int *fd, const wchar_t* path, int oflags, int shflags, int pmode )
{
DWORD access = 0, creation = 0, attrib;
SECURITY_ATTRIBUTES sa;
DWORD sharing, type;
int wxflag;
HANDLE hand;
TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n",
fd, debugstr_w(path), oflags, shflags, pmode);
if (!MSVCRT_CHECK_PMT( fd != NULL )) return EINVAL;
*fd = -1;
wxflag = split_oflags(oflags);
switch (oflags & (_O_RDONLY | _O_WRONLY | _O_RDWR))
{
case _O_RDONLY: access |= GENERIC_READ; break;
case _O_WRONLY: access |= GENERIC_WRITE; break;
case _O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
}
if (oflags & _O_CREAT)
{
if(pmode & ~(_S_IREAD | _S_IWRITE))
FIXME(": pmode 0x%04x ignored\n", pmode);
else
WARN(": pmode 0x%04x ignored\n", pmode);
if (oflags & _O_EXCL)
creation = CREATE_NEW;
else if (oflags & _O_TRUNC)
creation = CREATE_ALWAYS;
else
creation = OPEN_ALWAYS;
}
else /* no _O_CREAT */
{
if (oflags & _O_TRUNC)
creation = TRUNCATE_EXISTING;
else
creation = OPEN_EXISTING;
}
switch( shflags )
{
case _SH_DENYRW:
sharing = 0L;
break;
case _SH_DENYWR:
sharing = FILE_SHARE_READ;
break;
case _SH_DENYRD:
sharing = FILE_SHARE_WRITE;
break;
case _SH_DENYNO:
sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
break;
default:
ERR( "Unhandled shflags 0x%x\n", shflags );
return EINVAL;
}
attrib = FILE_ATTRIBUTE_NORMAL;
if (oflags & _O_TEMPORARY)
{
attrib |= FILE_FLAG_DELETE_ON_CLOSE;
access |= DELETE;
sharing |= FILE_SHARE_DELETE;
}
sa.nLength = sizeof( SECURITY_ATTRIBUTES );
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = !(oflags & _O_NOINHERIT);
if ((oflags&(_O_WTEXT|_O_U16TEXT|_O_U8TEXT))
&& (creation==OPEN_ALWAYS || creation==OPEN_EXISTING)
&& !(access&GENERIC_READ))
{
hand = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
&sa, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if (hand != INVALID_HANDLE_VALUE)
{
oflags = check_bom(hand, oflags, FALSE);
CloseHandle(hand);
}
else
oflags &= ~(_O_WTEXT|_O_U16TEXT|_O_U8TEXT);
}
hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
if (hand == INVALID_HANDLE_VALUE) {
WARN(":failed-last error (%d)\n",GetLastError());
_dosmaperr(GetLastError());
return *_errno();
}
if (oflags & (_O_WTEXT | _O_U16TEXT | _O_U8TEXT))
{
if ((access & GENERIC_WRITE) && (creation==CREATE_NEW
|| creation==CREATE_ALWAYS || creation==TRUNCATE_EXISTING
|| (creation==OPEN_ALWAYS && GetLastError()==ERROR_ALREADY_EXISTS)))
{
if (oflags & _O_U8TEXT)
{
DWORD written = 0, tmp;
while(written!=sizeof(utf8_bom) && WriteFile(hand, (char*)utf8_bom+written,
sizeof(utf8_bom)-written, &tmp, NULL))
written += tmp;
if (written != sizeof(utf8_bom)) {
WARN("error writing BOM\n");
CloseHandle(hand);
_dosmaperr(GetLastError());
return *_errno();
}
}
else
{
DWORD written = 0, tmp;
while(written!=sizeof(utf16_bom) && WriteFile(hand, (char*)utf16_bom+written,
sizeof(utf16_bom)-written, &tmp, NULL))
written += tmp;
if (written != sizeof(utf16_bom))
{
WARN("error writing BOM\n");
CloseHandle(hand);
_dosmaperr(GetLastError());
return *_errno();
}
}
}
else if (access & GENERIC_READ)
oflags = check_bom(hand, oflags, TRUE);
}
type = GetFileType(hand);
if (type == FILE_TYPE_CHAR)
wxflag |= WX_TTY;
else if (type == FILE_TYPE_PIPE)
wxflag |= WX_PIPE;
*fd = msvcrt_alloc_fd(hand, wxflag);
if (*fd == -1)
return *_errno();
if (oflags & _O_WTEXT)
get_ioinfo_nolock(*fd)->exflag |= EF_UTF16|EF_UNK_UNICODE;
else if (oflags & _O_U16TEXT)
get_ioinfo_nolock(*fd)->exflag |= EF_UTF16;
else if (oflags & _O_U8TEXT)
get_ioinfo_nolock(*fd)->exflag |= EF_UTF8;
TRACE(":fd (%d) handle (%p)\n", *fd, hand);
return 0;
}
/*********************************************************************
* _wsopen (MSVCRT.@)
*/
int CDECL _wsopen( const wchar_t *path, int oflags, int shflags, ... )
{
int pmode;
int fd;
if (oflags & _O_CREAT)
{
__ms_va_list ap;
__ms_va_start(ap, shflags);
pmode = va_arg(ap, int);
__ms_va_end(ap);
}
else
pmode = 0;
_wsopen_s(&fd, path, oflags, shflags, pmode);
return fd;
}
/*********************************************************************
* _sopen_s (MSVCRT.@)
*/
int CDECL _sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode )
{
wchar_t *pathW;
int ret;
if(!MSVCRT_CHECK_PMT(path && (pathW = msvcrt_wstrdupa(path))))
return EINVAL;
ret = _wsopen_s(fd, pathW, oflags, shflags, pmode);
free(pathW);
return ret;
}
/*********************************************************************
* _sopen (MSVCRT.@)
*/
int CDECL _sopen( const char *path, int oflags, int shflags, ... )
{
int pmode;
int fd;
if (oflags & _O_CREAT)
{
va_list ap;
va_start(ap, shflags);
pmode = va_arg(ap, int);
va_end(ap);
}
else
pmode = 0;
_sopen_s(&fd, path, oflags, shflags, pmode);
return fd;
}
/*********************************************************************
* _open (MSVCRT.@)
*/
int CDECL _open( const char *path, int flags, ... )
{
va_list ap;
if (flags & _O_CREAT)
{
int pmode;
va_start(ap, flags);
pmode = va_arg(ap, int);
va_end(ap);
return _sopen( path, flags, _SH_DENYNO, pmode );
}
else
return _sopen( path, flags, _SH_DENYNO);
}
/*********************************************************************
* _wopen (MSVCRT.@)
*/
int CDECL _wopen(const wchar_t *path,int flags,...)
{
va_list ap;
if (flags & _O_CREAT)
{
int pmode;
va_start(ap, flags);
pmode = va_arg(ap, int);
va_end(ap);
return _wsopen( path, flags, _SH_DENYNO, pmode );
}
else
return _wsopen( path, flags, _SH_DENYNO);
}
/*********************************************************************
* _creat (MSVCRT.@)
*/
int CDECL _creat(const char *path, int flags)
{
int usedFlags = (flags & _O_TEXT)| _O_CREAT| _O_WRONLY| _O_TRUNC;
return _open(path, usedFlags);
}
/*********************************************************************
* _wcreat (MSVCRT.@)
*/
int CDECL _wcreat(const wchar_t *path, int flags)
{
int usedFlags = (flags & _O_TEXT)| _O_CREAT| _O_WRONLY| _O_TRUNC;
return _wopen(path, usedFlags);
}
/*********************************************************************
* _open_osfhandle (MSVCRT.@)
*/
int CDECL _open_osfhandle(intptr_t handle, int oflags)
{
DWORD flags;
int fd;
/* _O_RDONLY (0) always matches, so set the read flag
* MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
* file, so set the write flag. It also only sets _O_TEXT if it wants
* text - it never sets _O_BINARY.
*/
/* don't let split_oflags() decide the mode if no mode is passed */
if (!(oflags & (_O_BINARY | _O_TEXT)))
oflags |= _O_BINARY;
flags = GetFileType((HANDLE)handle);
if (flags==FILE_TYPE_UNKNOWN && GetLastError()!=NO_ERROR)
{
_dosmaperr(GetLastError());
return -1;
}
if (flags == FILE_TYPE_CHAR)
flags = WX_TTY;
else if (flags == FILE_TYPE_PIPE)
flags = WX_PIPE;
else
flags = 0;
flags |= split_oflags(oflags);
fd = msvcrt_alloc_fd((HANDLE)handle, flags);
TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, flags);
return fd;
}
/*********************************************************************
* _rmtmp (MSVCRT.@)
*/
int CDECL _rmtmp(void)
{
int num_removed = 0, i;
FILE *file;
LOCK_FILES();
for (i = 3; i < MSVCRT_stream_idx; i++) {
file = msvcrt_get_file(i);
if (file->_tmpfname)
{
fclose(file);
num_removed++;
}
}
UNLOCK_FILES();
if (num_removed)
TRACE(":removed (%d) temp files\n",num_removed);
return num_removed;
}
static inline int get_utf8_char_len(char ch)
{
if((ch&0xf8) == 0xf0)
return 4;
else if((ch&0xf0) == 0xe0)
return 3;
else if((ch&0xe0) == 0xc0)
return 2;
return 1;
}
/*********************************************************************
* (internal) read_utf8
*/
static int read_utf8(ioinfo *fdinfo, wchar_t *buf, unsigned int count)
{
HANDLE hand = fdinfo->handle;
char min_buf[4], *readbuf, lookahead;
DWORD readbuf_size, pos=0, num_read=1, char_len, i, j;
/* make the buffer big enough to hold at least one character */
/* read bytes have to fit to output and lookahead buffers */
count /= 2;
readbuf_size = count < 4 ? 4 : count;
if(readbuf_size<=4 || !(readbuf = malloc(readbuf_size))) {
readbuf_size = 4;
readbuf = min_buf;
}
if(fdinfo->lookahead[0] != '\n') {
readbuf[pos++] = fdinfo->lookahead[0];
fdinfo->lookahead[0] = '\n';
if(fdinfo->lookahead[1] != '\n') {
readbuf[pos++] = fdinfo->lookahead[1];
fdinfo->lookahead[1] = '\n';
if(fdinfo->lookahead[2] != '\n') {
readbuf[pos++] = fdinfo->lookahead[2];
fdinfo->lookahead[2] = '\n';
}
}
}
/* NOTE: this case is broken in native dll, reading
* sometimes fails when small buffer is passed
*/
if(count < 4) {
if(!pos && !ReadFile(hand, readbuf, 1, &num_read, NULL)) {
if (GetLastError() == ERROR_BROKEN_PIPE) {
fdinfo->wxflag |= WX_ATEOF;
return 0;
}else {
_dosmaperr(GetLastError());
return -1;
}
}else if(!num_read) {
fdinfo->wxflag |= WX_ATEOF;
return 0;
}else {
pos++;
}
char_len = get_utf8_char_len(readbuf[0]);
if(char_len>pos) {
if(ReadFile(hand, readbuf+pos, char_len-pos, &num_read, NULL))
pos += num_read;
}
if(readbuf[0] == '\n')
fdinfo->wxflag |= WX_READNL;
else
fdinfo->wxflag &= ~WX_READNL;
if(readbuf[0] == 0x1a) {
fdinfo->wxflag |= WX_ATEOF;
return 0;
}
if(readbuf[0] == '\r') {
if(!ReadFile(hand, &lookahead, 1, &num_read, NULL) || num_read!=1)
buf[0] = '\r';
else if(lookahead == '\n')
buf[0] = '\n';
else {
buf[0] = '\r';
if(fdinfo->wxflag & (WX_PIPE | WX_TTY))
fdinfo->lookahead[0] = lookahead;
else
SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
}
return 2;
}
if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
_dosmaperr(GetLastError());
return -1;
}
return num_read*2;
}
if(!ReadFile(hand, readbuf+pos, readbuf_size-pos, &num_read, NULL)) {
if(pos) {
num_read = 0;
}else if(GetLastError() == ERROR_BROKEN_PIPE) {
fdinfo->wxflag |= WX_ATEOF;
if (readbuf != min_buf) free(readbuf);
return 0;
}else {
_dosmaperr(GetLastError());
if (readbuf != min_buf) free(readbuf);
return -1;
}
}else if(!pos && !num_read) {
fdinfo->wxflag |= WX_ATEOF;
if (readbuf != min_buf) free(readbuf);
return 0;
}
pos += num_read;
if(readbuf[0] == '\n')
fdinfo->wxflag |= WX_READNL;
else
fdinfo->wxflag &= ~WX_READNL;
/* Find first byte of last character (may be incomplete) */
for(i=pos-1; i>0 && i>pos-4; i--)
if((readbuf[i]&0xc0) != 0x80)
break;
char_len = get_utf8_char_len(readbuf[i]);
if(char_len+i <= pos)
i += char_len;
if(fdinfo->wxflag & (WX_PIPE | WX_TTY)) {
if(i < pos)
fdinfo->lookahead[0] = readbuf[i];
if(i+1 < pos)
fdinfo->lookahead[1] = readbuf[i+1];
if(i+2 < pos)
fdinfo->lookahead[2] = readbuf[i+2];
}else if(i < pos) {
SetFilePointer(fdinfo->handle, i-pos, NULL, FILE_CURRENT);
}
pos = i;
for(i=0, j=0; i<pos; i++) {
if(readbuf[i] == 0x1a) {
fdinfo->wxflag |= WX_ATEOF;
break;
}
/* strip '\r' if followed by '\n' */
if(readbuf[i] == '\r' && i+1==pos) {
if(fdinfo->lookahead[0] != '\n' || !ReadFile(hand, &lookahead, 1, &num_read, NULL) || !num_read) {
readbuf[j++] = '\r';
}else if(lookahead == '\n' && j==0) {
readbuf[j++] = '\n';
}else {
if(lookahead != '\n')
readbuf[j++] = '\r';
if(fdinfo->wxflag & (WX_PIPE | WX_TTY))
fdinfo->lookahead[0] = lookahead;
else
SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT);
}
}else if(readbuf[i]!='\r' || readbuf[i+1]!='\n') {
readbuf[j++] = readbuf[i];
}
}
pos = j;
if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) {
_dosmaperr(GetLastError());
if (readbuf != min_buf) free(readbuf);
return -1;
}
if (readbuf != min_buf) free(readbuf);
return num_read*2;
}
/*********************************************************************
* (internal) read_i
*
* When reading \r as last character in text mode, read() positions
* the file pointer on the \r character while getc() goes on to
* the following \n
*/
static int read_i(int fd, ioinfo *fdinfo, void *buf, unsigned int count)
{
DWORD num_read, utf16;
char *bufstart = buf;
if (count == 0)
return 0;
if (fdinfo->wxflag & WX_ATEOF) {
TRACE("already at EOF, returning 0\n");
return 0;
}
/* Don't trace small reads, it gets *very* annoying */
if (count > 4)
TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n", fd, fdinfo->handle, buf, count);
if (fdinfo->handle == INVALID_HANDLE_VALUE)
{
*_errno() = EBADF;
return -1;
}
utf16 = (fdinfo->exflag & EF_UTF16) != 0;
if (((fdinfo->exflag&EF_UTF8) || utf16) && count&1)
{
*_errno() = EINVAL;
return -1;
}
if((fdinfo->wxflag&WX_TEXT) && (fdinfo->exflag&EF_UTF8))
return read_utf8(fdinfo, buf, count);
if (fdinfo->lookahead[0]!='\n' || ReadFile(fdinfo->handle, bufstart, count, &num_read, NULL))
{
if (fdinfo->lookahead[0] != '\n')
{
bufstart[0] = fdinfo->lookahead[0];
fdinfo->lookahead[0] = '\n';
if (utf16)
{
bufstart[1] = fdinfo->lookahead[1];
fdinfo->lookahead[1] = '\n';
}
if(count>1+utf16 && ReadFile(fdinfo->handle, bufstart+1+utf16, count-1-utf16, &num_read, NULL))
num_read += 1+utf16;
else
num_read = 1+utf16;
}
if(utf16 && (num_read&1))
{
/* msvcr90 uses uninitialized value from the buffer in this case */
/* msvcrt ignores additional data */
ERR("got odd number of bytes in UTF16 mode\n");
num_read--;
}
if (count != 0 && num_read == 0)
{
fdinfo->wxflag |= WX_ATEOF;
TRACE(":EOF %s\n",debugstr_an(buf,num_read));
}
else if (fdinfo->wxflag & WX_TEXT)
{
DWORD i, j;
if (bufstart[0]=='\n' && (!utf16 || bufstart[1]==0))
fdinfo->wxflag |= WX_READNL;
else
fdinfo->wxflag &= ~WX_READNL;
for (i=0, j=0; i<num_read; i+=1+utf16)
{
/* in text mode, a ctrl-z signals EOF */
if (bufstart[i]==0x1a && (!utf16 || bufstart[i+1]==0))
{
fdinfo->wxflag |= WX_ATEOF;
TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
break;
}
/* in text mode, strip \r if followed by \n */
if (bufstart[i]=='\r' && (!utf16 || bufstart[i+1]==0) && i+1+utf16==num_read)
{
char lookahead[2];
DWORD len;
lookahead[1] = '\n';
if (ReadFile(fdinfo->handle, lookahead, 1+utf16, &len, NULL) && len)
{
if(lookahead[0]=='\n' && (!utf16 || lookahead[1]==0) && j==0)
{
bufstart[j++] = '\n';
if(utf16) bufstart[j++] = 0;
}
else
{
if(lookahead[0]!='\n' || (utf16 && lookahead[1]!=0))
{
bufstart[j++] = '\r';
if(utf16) bufstart[j++] = 0;
}
if (fdinfo->wxflag & (WX_PIPE | WX_TTY))
{
if (lookahead[0]=='\n' && (!utf16 || !lookahead[1]))
{
bufstart[j++] = '\n';
if (utf16) bufstart[j++] = 0;
}
else
{
fdinfo->lookahead[0] = lookahead[0];
fdinfo->lookahead[1] = lookahead[1];
}
}
else
SetFilePointer(fdinfo->handle, -1-utf16, NULL, FILE_CURRENT);
}
}
else
{
bufstart[j++] = '\r';
if(utf16) bufstart[j++] = 0;
}
}
else if((bufstart[i]!='\r' || (utf16 && bufstart[i+1]!=0))
|| (bufstart[i+1+utf16]!='\n' || (utf16 && bufstart[i+3]!=0)))
{
bufstart[j++] = bufstart[i];
if(utf16) bufstart[j++] = bufstart[i+1];
}
}
num_read = j;
}
}
else
{
if (GetLastError() == ERROR_BROKEN_PIPE)
{
TRACE(":end-of-pipe\n");
fdinfo->wxflag |= WX_ATEOF;
return 0;
}
else
{
TRACE(":failed-last error (%d)\n",GetLastError());
return -1;
}
}
if (count > 4)
TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
return num_read;
}
/*********************************************************************
* _read (MSVCRT.@)
*/
int CDECL _read(int fd, void *buf, unsigned int count)
{
ioinfo *info = get_ioinfo(fd);
int num_read = read_i(fd, info, buf, count);
release_ioinfo(info);
return num_read;
}
/*********************************************************************
* _setmode (MSVCRT.@)
*/
int CDECL _setmode(int fd,int mode)
{
ioinfo *info = get_ioinfo(fd);
int ret = info->wxflag & WX_TEXT ? _O_TEXT : _O_BINARY;
if(ret==_O_TEXT && (info->exflag & (EF_UTF8|EF_UTF16)))
ret = _O_WTEXT;
if(mode!=_O_TEXT && mode!=_O_BINARY && mode!=_O_WTEXT
&& mode!=_O_U16TEXT && mode!=_O_U8TEXT) {
*_errno() = EINVAL;
release_ioinfo(info);
return -1;
}
if(info == &__badioinfo) {
*_errno() = EBADF;
return EOF;
}
if(mode == _O_BINARY) {
info->wxflag &= ~WX_TEXT;
info->exflag &= ~(EF_UTF8|EF_UTF16);
release_ioinfo(info);
return ret;
}
info->wxflag |= WX_TEXT;
if(mode == _O_TEXT)
info->exflag &= ~(EF_UTF8|EF_UTF16);
else if(mode == _O_U8TEXT)
info->exflag = (info->exflag & ~EF_UTF16) | EF_UTF8;
else
info->exflag = (info->exflag & ~EF_UTF8) | EF_UTF16;
release_ioinfo(info);
return ret;
}
/*********************************************************************
* _tell (MSVCRT.@)
*/
long CDECL _tell(int fd)
{
return _lseek(fd, 0, SEEK_CUR);
}
/*********************************************************************
* _telli64 (MSVCRT.@)
*/
__int64 CDECL _telli64(int fd)
{
return _lseeki64(fd, 0, SEEK_CUR);
}
/*********************************************************************
* _tempnam (MSVCRT.@)
*/
char * CDECL _tempnam(const char *dir, const char *prefix)
{
char tmpbuf[MAX_PATH];
const char *tmp_dir = getenv("TMP");
if (tmp_dir) dir = tmp_dir;
TRACE("dir (%s) prefix (%s)\n",dir,prefix);
if (GetTempFileNameA(dir,prefix,0,tmpbuf))
{
TRACE("got name (%s)\n",tmpbuf);
DeleteFileA(tmpbuf);
return _strdup(tmpbuf);
}
TRACE("failed (%d)\n",GetLastError());
return NULL;
}
/*********************************************************************
* _wtempnam (MSVCRT.@)
*/
wchar_t * CDECL _wtempnam(const wchar_t *dir, const wchar_t *prefix)
{
wchar_t tmpbuf[MAX_PATH];
TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
if (GetTempFileNameW(dir,prefix,0,tmpbuf))
{
TRACE("got name (%s)\n",debugstr_w(tmpbuf));
DeleteFileW(tmpbuf);
return _wcsdup(tmpbuf);
}
TRACE("failed (%d)\n",GetLastError());
return NULL;
}
/*********************************************************************
* _umask (MSVCRT.@)
*/
int CDECL _umask(int umask)
{
int old_umask = MSVCRT_umask;
TRACE("(%d)\n",umask);
MSVCRT_umask = umask;
return old_umask;
}
/*********************************************************************
* _write (MSVCRT.@)
*/
int CDECL _write(int fd, const void* buf, unsigned int count)
{
DWORD num_written;
ioinfo *info = get_ioinfo(fd);
HANDLE hand = info->handle;
/* Don't trace small writes, it gets *very* annoying */
#if 0
if (count > 32)
TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
#endif
if (hand == INVALID_HANDLE_VALUE)
{
*_errno() = EBADF;
release_ioinfo(info);
return -1;
}
if (((info->exflag&EF_UTF8) || (info->exflag&EF_UTF16)) && count&1)
{
*_errno() = EINVAL;
release_ioinfo(info);
return -1;
}
/* If appending, go to EOF */
if (info->wxflag & WX_APPEND)
_lseek(fd, 0, FILE_END);
if (!(info->wxflag & WX_TEXT))
{
if (WriteFile(hand, buf, count, &num_written, NULL)
&& (num_written == count))
{
release_ioinfo(info);
return num_written;
}
TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
hand, GetLastError());
*_errno() = ENOSPC;
}
else
{
unsigned int i, j, nr_lf, size;
char *p = NULL;
const char *q;
const char *s = buf, *buf_start = buf;
if (!(info->exflag & (EF_UTF8|EF_UTF16)))
{
/* find number of \n */
for (nr_lf=0, i=0; i<count; i++)
if (s[i] == '\n')
nr_lf++;
if (nr_lf)
{
size = count+nr_lf;
if ((q = p = malloc(size)))
{
for (s = buf, i = 0, j = 0; i < count; i++)
{
if (s[i] == '\n')
p[j++] = '\r';
p[j++] = s[i];
}
}
else
{
FIXME("Malloc failed\n");
nr_lf = 0;
size = count;
q = buf;
}
}
else
{
size = count;
q = buf;
}
}
else if (info->exflag & EF_UTF16)
{
for (nr_lf=0, i=0; i<count; i+=2)
if (s[i]=='\n' && s[i+1]==0)
nr_lf += 2;
if (nr_lf)
{
size = count+nr_lf;
if ((q = p = malloc(size)))
{
for (s=buf, i=0, j=0; i<count; i++)
{
if (s[i]=='\n' && s[i+1]==0)
{
p[j++] = '\r';
p[j++] = 0;
}
p[j++] = s[i++];
p[j++] = s[i];
}
}
else
{
FIXME("Malloc failed\n");
nr_lf = 0;
size = count;
q = buf;
}
}
else
{
size = count;
q = buf;
}
}
else
{
DWORD conv_len;
for(nr_lf=0, i=0; i<count; i+=2)
if (s[i]=='\n' && s[i+1]==0)
nr_lf++;
conv_len = WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)buf, count/2, NULL, 0, NULL, NULL);
if(!conv_len) {
_dosmaperr(GetLastError());
free(p);
release_ioinfo(info);
return -1;
}
size = conv_len+nr_lf;
if((p = malloc(count+nr_lf*2+size)))
{
for (s=buf, i=0, j=0; i<count; i++)
{
if (s[i]=='\n' && s[i+1]==0)
{
p[j++] = '\r';
p[j++] = 0;
}
p[j++] = s[i++];
p[j++] = s[i];
}
q = p+count+nr_lf*2;
WideCharToMultiByte(CP_UTF8, 0, (WCHAR*)p, count/2+nr_lf,
p+count+nr_lf*2, conv_len+nr_lf, NULL, NULL);
}
else
{
FIXME("Malloc failed\n");
nr_lf = 0;
size = count;
q = buf;
}
}
if (!WriteFile(hand, q, size, &num_written, NULL))
num_written = -1;
release_ioinfo(info);
if(p)
free(p);
if (num_written != size)
{
TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
fd, hand, GetLastError(), num_written);
*_errno() = ENOSPC;
return s - buf_start;
}
return count;
}
release_ioinfo(info);
return -1;
}
/*********************************************************************
* _putw (MSVCRT.@)
*/
int CDECL _putw(int val, FILE* file)
{
int len;
_lock_file(file);
len = _write(file->_file, &val, sizeof(val));
if (len == sizeof(val)) {
_unlock_file(file);
return val;
}
file->_flag |= _IOERR;
_unlock_file(file);
return EOF;
}
/*********************************************************************
* fclose (MSVCRT.@)
*/
int CDECL fclose(FILE* file)
{
int r, flag;
_lock_file(file);
flag = file->_flag;
free(file->_tmpfname);
file->_tmpfname = NULL;
/* flush stdio buffers */
if(file->_flag & _IOWRT)
fflush(file);
if(file->_flag & _IOMYBUF)
free(file->_base);
r=_close(file->_file);
file->_flag = 0;
_unlock_file(file);
if(file<_iob || file>=_iob+_IOB_ENTRIES)
DeleteCriticalSection(&((file_crit*)file)->crit);
if(file == msvcrt_get_file(MSVCRT_stream_idx-1)) {
while(MSVCRT_stream_idx>3 && !file->_flag) {
MSVCRT_stream_idx--;
file = msvcrt_get_file(MSVCRT_stream_idx-1);
}
}
return ((r == -1) || (flag & _IOERR) ? EOF : 0);
}
/*********************************************************************
* feof (MSVCRT.@)
*/
int CDECL feof(FILE* file)
{
return file->_flag & _IOEOF;
}
/*********************************************************************
* ferror (MSVCRT.@)
*/
int CDECL ferror(FILE* file)
{
return file->_flag & _IOERR;
}
/*********************************************************************
* _filbuf (MSVCRT.@)
*/
int CDECL _filbuf(FILE* file)
{
unsigned char c;
_lock_file(file);
if(file->_flag & _IOSTRG) {
_unlock_file(file);
return EOF;
}
/* Allocate buffer if needed */
if(!(file->_flag & (_IONBF | _IOMYBUF | _USERBUF)))
msvcrt_alloc_buffer(file);
if(!(file->_flag & _IOREAD)) {
if(file->_flag & _IORW)
file->_flag |= _IOREAD;
else {
_unlock_file(file);
return EOF;
}
}
if(!(file->_flag & (_IOMYBUF | _USERBUF))) {
int r;
if ((r = _read(file->_file,&c,1)) != 1) {
file->_flag |= (r == 0) ? _IOEOF : _IOERR;
_unlock_file(file);
return EOF;
}
_unlock_file(file);
return c;
} else {
file->_cnt = _read(file->_file, file->_base, file->_bufsiz);
if(file->_cnt<=0) {
file->_flag |= (file->_cnt == 0) ? _IOEOF : _IOERR;
file->_cnt = 0;
_unlock_file(file);
return EOF;
}
file->_cnt--;
file->_ptr = file->_base+1;
c = *(unsigned char *)file->_base;
_unlock_file(file);
return c;
}
}
/*********************************************************************
* fgetc (MSVCRT.@)
*/
int CDECL fgetc(FILE* file)
{
unsigned char *i;
unsigned int j;
_lock_file(file);
if (file->_cnt>0) {
file->_cnt--;
i = (unsigned char *)file->_ptr++;
j = *i;
} else
j = _filbuf(file);
_unlock_file(file);
return j;
}
/*********************************************************************
* _fgetchar (MSVCRT.@)
*/
int CDECL _fgetchar(void)
{
return fgetc(stdin);
}
/*********************************************************************
* fgets (MSVCRT.@)
*/
char * CDECL fgets(char *s, int size, FILE* file)
{
int cc = EOF;
char * buf_start = s;
TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
file,file->_file,s,size);
_lock_file(file);
while ((size >1) && (cc = fgetc(file)) != EOF && cc != '\n')
{
*s++ = (char)cc;
size --;
}
if ((cc == EOF) && (s == buf_start)) /* If nothing read, return 0*/
{
TRACE(":nothing read\n");
_unlock_file(file);
return NULL;
}
if ((cc != EOF) && (size > 1))
*s++ = cc;
*s = '\0';
TRACE(":got %s\n", debugstr_a(buf_start));
_unlock_file(file);
return buf_start;
}
/*********************************************************************
* fgetwc (MSVCRT.@)
*/
wint_t CDECL fgetwc(FILE* file)
{
wint_t ret;
int ch;
_lock_file(file);
if((get_ioinfo_nolock(file->_file)->exflag & (EF_UTF8 | EF_UTF16))
|| !(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
char *p;
for(p=(char*)&ret; (wint_t*)p<&ret+1; p++) {
ch = fgetc(file);
if(ch == EOF) {
ret = WEOF;
break;
}
*p = (char)ch;
}
}else {
char mbs[MB_LEN_MAX];
int len = 0;
ch = fgetc(file);
if(ch != EOF) {
mbs[0] = (char)ch;
if(isleadbyte((unsigned char)mbs[0])) {
ch = fgetc(file);
if(ch != EOF) {
mbs[1] = (char)ch;
len = 2;
}
}else {
len = 1;
}
}
if(!len || mbtowc(&ret, mbs, len)==-1)
ret = WEOF;
}
_unlock_file(file);
return ret;
}
/*********************************************************************
* _getw (MSVCRT.@)
*/
int CDECL _getw(FILE* file)
{
char *ch;
int i, k;
unsigned int j;
ch = (char *)&i;
_lock_file(file);
for (j=0; j<sizeof(int); j++) {
k = fgetc(file);
if (k == EOF) {
file->_flag |= _IOEOF;
_unlock_file(file);
return EOF;
}
ch[j] = k;
}
_unlock_file(file);
return i;
}
/*********************************************************************
* getwc (MSVCRT.@)
*/
wint_t CDECL getwc(FILE* file)
{
return fgetwc(file);
}
/*********************************************************************
* _fgetwchar (MSVCRT.@)
*/
wint_t CDECL _fgetwchar(void)
{
return fgetwc(stdin);
}
/*********************************************************************
* getwchar (MSVCRT.@)
*/
wint_t CDECL getwchar(void)
{
return _fgetwchar();
}
/*********************************************************************
* fgetws (MSVCRT.@)
*/
wchar_t * CDECL fgetws(wchar_t *s, int size, FILE* file)
{
int cc = WEOF;
wchar_t * buf_start = s;
TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
file,file->_file,s,size);
_lock_file(file);
while ((size >1) && (cc = fgetwc(file)) != WEOF && cc != '\n')
{
*s++ = (char)cc;
size --;
}
if ((cc == WEOF) && (s == buf_start)) /* If nothing read, return 0*/
{
TRACE(":nothing read\n");
_unlock_file(file);
return NULL;
}
if ((cc != WEOF) && (size > 1))
*s++ = cc;
*s = 0;
TRACE(":got %s\n", debugstr_w(buf_start));
_unlock_file(file);
return buf_start;
}
/*********************************************************************
* fwrite (MSVCRT.@)
*/
size_t CDECL fwrite(const void *ptr, size_t size, size_t nmemb, FILE* file)
{
size_t wrcnt=size * nmemb;
int written = 0;
if (size == 0)
return 0;
_lock_file(file);
while(wrcnt) {
#ifndef __REACTOS__
if(file->_cnt < 0) {
WARN("negative file->_cnt value in %p\n", file);
file->_flag |= MSVCRT__IOERR;
break;
} else
#endif
if(file->_cnt) {
int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
memcpy(file->_ptr, ptr, pcnt);
file->_cnt -= pcnt;
file->_ptr += pcnt;
written += pcnt;
wrcnt -= pcnt;
ptr = (const char*)ptr + pcnt;
} else if((file->_flag & _IONBF)
|| ((file->_flag & (_IOMYBUF | _USERBUF)) && wrcnt >= file->_bufsiz)
|| (!(file->_flag & (_IOMYBUF | _USERBUF)) && wrcnt >= MSVCRT_INTERNAL_BUFSIZ)) {
size_t pcnt;
int bufsiz;
if(file->_flag & _IONBF)
bufsiz = 1;
else if(!(file->_flag & (_IOMYBUF | _USERBUF)))
bufsiz = MSVCRT_INTERNAL_BUFSIZ;
else
bufsiz = file->_bufsiz;
pcnt = (wrcnt / bufsiz) * bufsiz;
if(msvcrt_flush_buffer(file) == EOF)
break;
if(_write(file->_file, ptr, pcnt) <= 0) {
file->_flag |= _IOERR;
break;
}
written += pcnt;
wrcnt -= pcnt;
ptr = (const char*)ptr + pcnt;
} else {
if(_flsbuf(*(const char*)ptr, file) == EOF)
break;
written++;
wrcnt--;
ptr = (const char*)ptr + 1;
}
}
_unlock_file(file);
return written / size;
}
/*********************************************************************
* fputwc (MSVCRT.@)
* FORKED for ReactOS, don't sync with Wine!
* References:
* - http://jira.reactos.org/browse/CORE-6495
* - http://bugs.winehq.org/show_bug.cgi?id=8598
*/
wint_t CDECL fputwc(wchar_t c, FILE* stream)
{
/* If this is a real file stream (and not some temporary one for
sprintf-like functions), check whether it is opened in text mode.
In this case, we have to perform an implicit conversion to ANSI. */
if (!(stream->_flag & _IOSTRG) && get_ioinfo_nolock(stream->_file)->wxflag & WX_TEXT)
{
/* Convert to multibyte in text mode */
char mbc[MB_LEN_MAX];
int mb_return;
mb_return = wctomb(mbc, c);
if(mb_return == -1)
return WEOF;
/* Output all characters */
if (fwrite(mbc, mb_return, 1, stream) != 1)
return WEOF;
}
else
{
if (fwrite(&c, sizeof(c), 1, stream) != 1)
return WEOF;
}
return c;
}
/*********************************************************************
* _fputwchar (MSVCRT.@)
*/
wint_t CDECL _fputwchar(wint_t wc)
{
return fputwc(wc, stdout);
}
/*********************************************************************
* _wfsopen (MSVCRT.@)
*/
FILE * CDECL _wfsopen(const wchar_t *path, const wchar_t *mode, int share)
{
FILE* file;
int open_flags, stream_flags, fd;
TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
/* map mode string to open() flags. "man fopen" for possibilities. */
if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
return NULL;
LOCK_FILES();
fd = _wsopen(path, open_flags, share, _S_IREAD | _S_IWRITE);
if (fd < 0)
file = NULL;
else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
!= -1)
TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
else if (file)
{
file->_flag = 0;
file = NULL;
}
TRACE(":got (%p)\n",file);
if (fd >= 0 && !file)
_close(fd);
UNLOCK_FILES();
return file;
}
/*********************************************************************
* _fsopen (MSVCRT.@)
*/
FILE * CDECL _fsopen(const char *path, const char *mode, int share)
{
FILE *ret;
wchar_t *pathW = NULL, *modeW = NULL;
if (path && !(pathW = msvcrt_wstrdupa(path))) {
_invalid_parameter(NULL, NULL, NULL, 0, 0);
*_errno() = EINVAL;
return NULL;
}
if (mode && !(modeW = msvcrt_wstrdupa(mode)))
{
free(pathW);
_invalid_parameter(NULL, NULL, NULL, 0, 0);
*_errno() = EINVAL;
return NULL;
}
ret = _wfsopen(pathW, modeW, share);
free(pathW);
free(modeW);
return ret;
}
/*********************************************************************
* fopen (MSVCRT.@)
*/
FILE * CDECL fopen(const char *path, const char *mode)
{
return _fsopen( path, mode, _SH_DENYNO );
}
/*********************************************************************
* fopen_s (MSVCRT.@)
*/
int CDECL fopen_s(FILE** pFile,
const char *filename, const char *mode)
{
if (!MSVCRT_CHECK_PMT(pFile != NULL)) return EINVAL;
if (!MSVCRT_CHECK_PMT(filename != NULL)) return EINVAL;
if (!MSVCRT_CHECK_PMT(mode != NULL)) return EINVAL;
*pFile = fopen(filename, mode);
if(!*pFile)
return *_errno();
return 0;
}
/*********************************************************************
* _wfopen (MSVCRT.@)
*/
FILE * CDECL _wfopen(const wchar_t *path, const wchar_t *mode)
{
return _wfsopen( path, mode, _SH_DENYNO );
}
/*********************************************************************
* _wfopen_s (MSVCRT.@)
*/
int CDECL _wfopen_s(FILE** pFile, const wchar_t *filename,
const wchar_t *mode)
{
if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
!MSVCRT_CHECK_PMT(mode != NULL)) {
*_errno() = EINVAL;
return EINVAL;
}
*pFile = _wfopen(filename, mode);
if(!*pFile)
return *_errno();
return 0;
}
/* fputc calls _flsbuf which calls fputc */
int CDECL _flsbuf(int c, FILE* file);
/*********************************************************************
* fputc (MSVCRT.@)
*/
int CDECL fputc(int c, FILE* file)
{
int res;
_lock_file(file);
if(file->_cnt>0) {
*file->_ptr++=c;
file->_cnt--;
if (c == '\n')
{
res = msvcrt_flush_buffer(file);
_unlock_file(file);
return res ? res : c;
}
else {
_unlock_file(file);
return c & 0xff;
}
} else {
res = _flsbuf(c, file);
_unlock_file(file);
return res;
}
}
/*********************************************************************
* _fputchar (MSVCRT.@)
*/
int CDECL _fputchar(int c)
{
return fputc(c, stdout);
}
/*********************************************************************
* fread (MSVCRT.@)
*/
size_t CDECL fread(void *ptr, size_t size, size_t nmemb, FILE* file)
{
size_t rcnt=size * nmemb;
size_t read=0;
size_t pread=0;
if(!rcnt)
return 0;
_lock_file(file);
/* first buffered data */
if(file->_cnt>0) {
int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
memcpy(ptr, file->_ptr, pcnt);
file->_cnt -= pcnt;
file->_ptr += pcnt;
read += pcnt ;
rcnt -= pcnt ;
ptr = (char*)ptr + pcnt;
} else if(!(file->_flag & _IOREAD )) {
if(file->_flag & _IORW) {
file->_flag |= _IOREAD;
} else {
_unlock_file(file);
return 0;
}
}
if(rcnt>0 && !(file->_flag & (_IONBF | _IOMYBUF | _USERBUF)))
msvcrt_alloc_buffer(file);
while(rcnt>0)
{
int i;
if (!file->_cnt && rcnt<BUFSIZ && (file->_flag & (_IOMYBUF | _USERBUF))) {
file->_cnt = _read(file->_file, file->_base, file->_bufsiz);
file->_ptr = file->_base;
i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
/* If the buffer fill reaches eof but fread wouldn't, clear eof. */
if (i > 0 && i < file->_cnt) {
get_ioinfo_nolock(file->_file)->wxflag &= ~WX_ATEOF;
file->_flag &= ~_IOEOF;
}
if (i > 0) {
memcpy(ptr, file->_ptr, i);
file->_cnt -= i;
file->_ptr += i;
}
} else if (rcnt > INT_MAX) {
i = _read(file->_file, ptr, INT_MAX);
} else if (rcnt < BUFSIZ) {
i = _read(file->_file, ptr, rcnt);
} else {
i = _read(file->_file, ptr, rcnt - BUFSIZ/2);
}
pread += i;
rcnt -= i;
ptr = (char *)ptr+i;
/* expose feof condition in the flags
* MFC tests file->_flag for feof, and doesn't call feof())
*/
if (get_ioinfo_nolock(file->_file)->wxflag & WX_ATEOF)
file->_flag |= _IOEOF;
else if (i == -1)
{
file->_flag |= _IOERR;
pread = 0;
rcnt = 0;
}
if (i < 1) break;
}
read+=pread;
_unlock_file(file);
return read / size;
}
/*********************************************************************
* _wfreopen (MSVCRT.@)
*
*/
FILE* CDECL _wfreopen(const wchar_t *path, const wchar_t *mode, FILE* file)
{
int open_flags, stream_flags, fd;
TRACE(":path (%s) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file ? file->_file : -1);
LOCK_FILES();
if (!file || ((fd = file->_file) < 0))
file = NULL;
else
{
fclose(file);
/* map mode string to open() flags. "man fopen" for possibilities. */
if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
file = NULL;
else
{
fd = _wopen(path, open_flags, _S_IREAD | _S_IWRITE);
if (fd < 0)
file = NULL;
else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
{
file->_flag = 0;
WARN(":failed-last error (%d)\n",GetLastError());
_dosmaperr(GetLastError());
file = NULL;
}
}
}
UNLOCK_FILES();
return file;
}
/*********************************************************************
* freopen (MSVCRT.@)
*
*/
FILE* CDECL freopen(const char *path, const char *mode, FILE* file)
{
FILE *ret;
wchar_t *pathW = NULL, *modeW = NULL;
if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
if (mode && !(modeW = msvcrt_wstrdupa(mode)))
{
free(pathW);
return NULL;
}
ret = _wfreopen(pathW, modeW, file);
free(pathW);
free(modeW);
return ret;
}
/*********************************************************************
* fsetpos (MSVCRT.@)
*/
int CDECL fsetpos(FILE* file, const fpos_t *pos)
{
int ret;
_lock_file(file);
/* Note that all this has been lifted 'as is' from fseek */
if(file->_flag & _IOWRT)
msvcrt_flush_buffer(file);
/* Discard buffered input */
file->_cnt = 0;
file->_ptr = file->_base;
/* Reset direction of i/o */
if(file->_flag & _IORW) {
file->_flag &= ~(_IOREAD|_IOWRT);
}
ret = (_lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
_unlock_file(file);
return ret;
}
/*********************************************************************
* _ftelli64 (MSVCRT.@)
*/
__int64 CDECL _ftelli64(FILE* file)
{
__int64 pos;
_lock_file(file);
pos = _telli64(file->_file);
if(pos == -1) {
_unlock_file(file);
return -1;
}
if(file->_flag & (_IOMYBUF | _USERBUF)) {
if(file->_flag & _IOWRT) {
pos += file->_ptr - file->_base;
if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
char *p;
for(p=file->_base; p<file->_ptr; p++)
if(*p == '\n')
pos++;
}
} else if(!file->_cnt) { /* nothing to do */
} else if(_lseeki64(file->_file, 0, SEEK_END)==pos) {
int i;
pos -= file->_cnt;
if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
for(i=0; i<file->_cnt; i++)
if(file->_ptr[i] == '\n')
pos--;
}
} else {
char *p;
if(_lseeki64(file->_file, pos, SEEK_SET) != pos) {
_unlock_file(file);
return -1;
}
pos -= file->_bufsiz;
pos += file->_ptr - file->_base;
if(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT) {
if(get_ioinfo_nolock(file->_file)->wxflag & WX_READNL)
pos--;
for(p=file->_base; p<file->_ptr; p++)
if(*p == '\n')
pos++;
}
}
}
_unlock_file(file);
return pos;
}
/*********************************************************************
* ftell (MSVCRT.@)
*/
LONG CDECL ftell(FILE* file)
{
return (LONG)_ftelli64(file);
}
/*********************************************************************
* fgetpos (MSVCRT.@)
*/
int CDECL fgetpos(FILE* file, fpos_t *pos)
{
*pos = _ftelli64(file);
if(*pos == -1)
return -1;
return 0;
}
/*********************************************************************
* fputs (MSVCRT.@)
*/
int CDECL fputs(const char *s, FILE* file)
{
size_t len = strlen(s);
int ret;
_lock_file(file);
ret = fwrite(s, sizeof(*s), len, file) == len ? 0 : EOF;
_unlock_file(file);
return ret;
}
/*********************************************************************
* fputws (MSVCRT.@)
*/
int CDECL fputws(const wchar_t *s, FILE* file)
{
size_t i, len = strlenW(s);
BOOL tmp_buf;
int ret;
_lock_file(file);
if (!(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
ret = fwrite(s,sizeof(*s),len,file) == len ? 0 : EOF;
_unlock_file(file);
return ret;
}
tmp_buf = add_std_buffer(file);
for (i=0; i<len; i++) {
if(fputwc(s[i], file) == WEOF) {
if(tmp_buf) remove_std_buffer(file);
_unlock_file(file);
return WEOF;
}
}
if(tmp_buf) remove_std_buffer(file);
_unlock_file(file);
return 0;
}
/*********************************************************************
* getchar (MSVCRT.@)
*/
int CDECL getchar(void)
{
return fgetc(stdin);
}
/*********************************************************************
* getc (MSVCRT.@)
*/
int CDECL getc(FILE* file)
{
return fgetc(file);
}
/*********************************************************************
* gets (MSVCRT.@)
*/
char * CDECL gets(char *buf)
{
int cc;
char * buf_start = buf;
_lock_file(stdin);
for(cc = fgetc(stdin); cc != EOF && cc != '\n';
cc = fgetc(stdin))
if(cc != '\r') *buf++ = (char)cc;
*buf = '\0';
TRACE("got '%s'\n", buf_start);
_unlock_file(stdin);
return buf_start;
}
/*********************************************************************
* _getws (MSVCRT.@)
*/
wchar_t* CDECL _getws(wchar_t* buf)
{
wint_t cc;
wchar_t* ws = buf;
_lock_file(stdin);
for (cc = fgetwc(stdin); cc != WEOF && cc != '\n';
cc = fgetwc(stdin))
{
if (cc != '\r')
*buf++ = (wchar_t)cc;
}
*buf = '\0';
TRACE("got %s\n", debugstr_w(ws));
_unlock_file(stdin);
return ws;
}
/*********************************************************************
* putc (MSVCRT.@)
*/
int CDECL putc(int c, FILE* file)
{
return fputc(c, file);
}
/*********************************************************************
* putchar (MSVCRT.@)
*/
int CDECL putchar(int c)
{
return fputc(c, stdout);
}
/*********************************************************************
* _putwch (MSVCRT.@)
*/
wint_t CDECL _putwch(wchar_t c)
{
return fputwc(c, stdout);
}
/*********************************************************************
* puts (MSVCRT.@)
*/
int CDECL puts(const char *s)
{
size_t len = strlen(s);
int ret;
_lock_file(stdout);
if(fwrite(s, sizeof(*s), len, stdout) != len) {
_unlock_file(stdout);
return EOF;
}
ret = fwrite("\n",1,1,stdout) == 1 ? 0 : EOF;
_unlock_file(stdout);
return ret;
}
/*********************************************************************
* _putws (MSVCRT.@)
*/
int CDECL _putws(const wchar_t *s)
{
static const wchar_t nl = '\n';
size_t len = strlenW(s);
int ret;
_lock_file(stdout);
if(fwrite(s, sizeof(*s), len, stdout) != len) {
_unlock_file(stdout);
return EOF;
}
ret = fwrite(&nl,sizeof(nl),1,stdout) == 1 ? 0 : EOF;
_unlock_file(stdout);
return ret;
}
/*********************************************************************
* remove (MSVCRT.@)
*/
int CDECL remove(const char *path)
{
TRACE("(%s)\n",path);
if (DeleteFileA(path))
return 0;
TRACE(":failed (%d)\n",GetLastError());
_dosmaperr(GetLastError());
return -1;
}
/*********************************************************************
* _wremove (MSVCRT.@)
*/
int CDECL _wremove(const wchar_t *path)
{
TRACE("(%s)\n",debugstr_w(path));
if (DeleteFileW(path))
return 0;
TRACE(":failed (%d)\n",GetLastError());
_dosmaperr(GetLastError());
return -1;
}
/*********************************************************************
* rename (MSVCRT.@)
*/
int CDECL rename(const char *oldpath,const char *newpath)
{
TRACE(":from %s to %s\n",oldpath,newpath);
if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
return 0;
TRACE(":failed (%d)\n",GetLastError());
_dosmaperr(GetLastError());
return -1;
}
/*********************************************************************
* _wrename (MSVCRT.@)
*/
int CDECL _wrename(const wchar_t *oldpath,const wchar_t *newpath)
{
TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
return 0;
TRACE(":failed (%d)\n",GetLastError());
_dosmaperr(GetLastError());
return -1;
}
/*********************************************************************
* setvbuf (MSVCRT.@)
*/
int CDECL setvbuf(FILE* file, char *buf, int mode, size_t size)
{
if(!MSVCRT_CHECK_PMT(file != NULL)) return -1;
if(!MSVCRT_CHECK_PMT(mode==_IONBF || mode==_IOFBF || mode==_IOLBF)) return -1;
if(!MSVCRT_CHECK_PMT(mode==_IONBF || (size>=2 && size<=INT_MAX))) return -1;
_lock_file(file);
fflush(file);
if(file->_flag & _IOMYBUF)
free(file->_base);
file->_flag &= ~(_IONBF | _IOMYBUF | _USERBUF);
file->_cnt = 0;
if(mode == _IONBF) {
file->_flag |= _IONBF;
file->_base = file->_ptr = (char*)&file->_charbuf;
file->_bufsiz = 2;
}else if(buf) {
file->_base = file->_ptr = buf;
file->_flag |= _USERBUF;
file->_bufsiz = size;
}else {
file->_base = file->_ptr = malloc(size);
if(!file->_base) {
file->_bufsiz = 0;
_unlock_file(file);
return -1;
}
file->_flag |= _IOMYBUF;
file->_bufsiz = size;
}
_unlock_file(file);
return 0;
}
/*********************************************************************
* setbuf (MSVCRT.@)
*/
void CDECL setbuf(FILE* file, char *buf)
{
setvbuf(file, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
}
/*********************************************************************
* tmpnam (MSVCRT.@)
*/
char * CDECL tmpnam(char *s)
{
char tmpstr[16];
char *p;
int count, size;
if (!s) {
thread_data_t *data = msvcrt_get_thread_data();
if(!data->tmpnam_buffer)
data->tmpnam_buffer = malloc(MAX_PATH);
s = data->tmpnam_buffer;
}
msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
p = s + sprintf(s, "\\s%s.", tmpstr);
for (count = 0; count < TMP_MAX; count++)
{
size = msvcrt_int_to_base32(tmpnam_unique++, tmpstr);
memcpy(p, tmpstr, size);
p[size] = '\0';
if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
GetLastError() == ERROR_FILE_NOT_FOUND)
break;
}
return s;
}
/*********************************************************************
* _wtmpnam (MSVCRT.@)
*/
wchar_t * CDECL _wtmpnam(wchar_t *s)
{
static const wchar_t format[] = {'\\','s','%','s','.',0};
wchar_t tmpstr[16];
wchar_t *p;
int count, size;
if (!s) {
thread_data_t *data = msvcrt_get_thread_data();
if(!data->wtmpnam_buffer)
data->wtmpnam_buffer = malloc(sizeof(wchar_t[MAX_PATH]));
s = data->wtmpnam_buffer;
}
msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr);
p = s + _snwprintf(s, MAX_PATH, format, tmpstr);
for (count = 0; count < TMP_MAX; count++)
{
size = msvcrt_int_to_base32_w(tmpnam_unique++, tmpstr);
memcpy(p, tmpstr, size*sizeof(wchar_t));
p[size] = '\0';
if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES &&
GetLastError() == ERROR_FILE_NOT_FOUND)
break;
}
return s;
}
/*********************************************************************
* tmpfile (MSVCRT.@)
*/
FILE* CDECL tmpfile(void)
{
char *filename = tmpnam(NULL);
int fd;
FILE* file = NULL;
LOCK_FILES();
fd = _open(filename, _O_CREAT | _O_BINARY | _O_RDWR | _O_TEMPORARY,
_S_IREAD | _S_IWRITE);
if (fd != -1 && (file = msvcrt_alloc_fp()))
{
if (msvcrt_init_fp(file, fd, _IORW) == -1)
{
file->_flag = 0;
file = NULL;
}
else file->_tmpfname = _strdup(filename);
}
if(fd != -1 && !file)
_close(fd);
UNLOCK_FILES();
return file;
}
/*********************************************************************
* ungetc (MSVCRT.@)
*/
int CDECL ungetc(int c, FILE * file)
{
if(!MSVCRT_CHECK_PMT(file != NULL)) return EOF;
if (c == EOF || !(file->_flag&_IOREAD ||
(file->_flag&_IORW && !(file->_flag&_IOWRT))))
return EOF;
_lock_file(file);
if((!(file->_flag & (_IONBF | _IOMYBUF | _USERBUF))
&& msvcrt_alloc_buffer(file))
|| (!file->_cnt && file->_ptr==file->_base))
file->_ptr++;
if(file->_ptr>file->_base) {
file->_ptr--;
if(file->_flag & _IOSTRG) {
if(*file->_ptr != c) {
file->_ptr++;
_unlock_file(file);
return EOF;
}
}else {
*file->_ptr = c;
}
file->_cnt++;
clearerr(file);
file->_flag |= _IOREAD;
_unlock_file(file);
return c;
}
_unlock_file(file);
return EOF;
}
/*********************************************************************
* ungetwc (MSVCRT.@)
*/
wint_t CDECL ungetwc(wint_t wc, FILE * file)
{
wchar_t mwc = wc;
if (wc == WEOF)
return WEOF;
_lock_file(file);
if((get_ioinfo_nolock(file->_file)->exflag & (EF_UTF8 | EF_UTF16))
|| !(get_ioinfo_nolock(file->_file)->wxflag & WX_TEXT)) {
unsigned char * pp = (unsigned char *)&mwc;
int i;
for(i=sizeof(wchar_t)-1;i>=0;i--) {
if(pp[i] != ungetc(pp[i],file)) {
_unlock_file(file);
return WEOF;
}
}
}else {
char mbs[MB_LEN_MAX];
int len;
len = wctomb(mbs, mwc);
if(len == -1) {
_unlock_file(file);
return WEOF;
}
for(len--; len>=0; len--) {
if(mbs[len] != ungetc(mbs[len], file)) {
_unlock_file(file);
return WEOF;
}
}
}
_unlock_file(file);
return mwc;
}
/*********************************************************************
* _getmaxstdio (MSVCRT.@)
*/
int CDECL _getmaxstdio(void)
{
return MSVCRT_max_streams;
}
/*********************************************************************
* _setmaxstdio (MSVCRT.@)
*/
int CDECL _setmaxstdio(int newmax)
{
TRACE("%d\n", newmax);
if(newmax<_IOB_ENTRIES || newmax>MSVCRT_MAX_FILES || newmax<MSVCRT_stream_idx)
return -1;
MSVCRT_max_streams = newmax;
return MSVCRT_max_streams;
}