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wine/dlls/msvcrt/dir.c
Eryk Wieliczko 40874d91d9 msvcrt: Implement _wfindnext64i32.
2010-11-23 14:16:22 +01:00

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/*
* msvcrt.dll drive/directory functions
*
* Copyright 1996,1998 Marcus Meissner
* Copyright 1996 Jukka Iivonen
* Copyright 1997,2000 Uwe Bonnes
* Copyright 2000 Jon Griffiths
*
* 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
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <time.h>
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "wine/unicode.h"
#include "msvcrt.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
/* INTERNAL: Translate WIN32_FIND_DATAA to finddata_t */
static void msvcrt_fttofd( const WIN32_FIND_DATAA *fd, struct MSVCRT__finddata_t* ft)
{
DWORD dw;
if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
ft->attrib = 0;
else
ft->attrib = fd->dwFileAttributes;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
ft->time_create = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
ft->time_access = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
ft->time_write = dw;
ft->size = fd->nFileSizeLow;
strcpy(ft->name, fd->cFileName);
}
/* INTERNAL: Translate WIN32_FIND_DATAW to wfinddata_t */
static void msvcrt_wfttofd( const WIN32_FIND_DATAW *fd, struct MSVCRT__wfinddata_t* ft)
{
DWORD dw;
if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
ft->attrib = 0;
else
ft->attrib = fd->dwFileAttributes;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
ft->time_create = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
ft->time_access = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
ft->time_write = dw;
ft->size = fd->nFileSizeLow;
strcpyW(ft->name, fd->cFileName);
}
/* INTERNAL: Translate WIN32_FIND_DATAA to finddatai64_t */
static void msvcrt_fttofdi64( const WIN32_FIND_DATAA *fd, struct MSVCRT__finddatai64_t* ft)
{
DWORD dw;
if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
ft->attrib = 0;
else
ft->attrib = fd->dwFileAttributes;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
ft->time_create = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
ft->time_access = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
ft->time_write = dw;
ft->size = ((__int64)fd->nFileSizeHigh) << 32 | fd->nFileSizeLow;
strcpy(ft->name, fd->cFileName);
}
/* INTERNAL: Translate WIN32_FIND_DATAA to finddata64_t */
static void msvcrt_fttofd64( const WIN32_FIND_DATAA *fd, struct MSVCRT__finddata64_t* ft)
{
DWORD dw;
if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
ft->attrib = 0;
else
ft->attrib = fd->dwFileAttributes;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
ft->time_create = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
ft->time_access = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
ft->time_write = dw;
ft->size = ((__int64)fd->nFileSizeHigh) << 32 | fd->nFileSizeLow;
strcpy(ft->name, fd->cFileName);
}
/* INTERNAL: Translate WIN32_FIND_DATAA to finddata64i32_t */
static void msvcrt_fttofd64i32( const WIN32_FIND_DATAA *fd, struct MSVCRT__finddata64i32_t* ft)
{
DWORD dw;
if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
ft->attrib = 0;
else
ft->attrib = fd->dwFileAttributes;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
ft->time_create = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
ft->time_access = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
ft->time_write = dw;
ft->size = fd->nFileSizeLow;
strcpy(ft->name, fd->cFileName);
}
/* INTERNAL: Translate WIN32_FIND_DATAW to wfinddatai64_t */
static void msvcrt_wfttofdi64( const WIN32_FIND_DATAW *fd, struct MSVCRT__wfinddatai64_t* ft)
{
DWORD dw;
if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
ft->attrib = 0;
else
ft->attrib = fd->dwFileAttributes;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
ft->time_create = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
ft->time_access = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
ft->time_write = dw;
ft->size = ((__int64)fd->nFileSizeHigh) << 32 | fd->nFileSizeLow;
strcpyW(ft->name, fd->cFileName);
}
/* INTERNAL: Translate WIN32_FIND_DATAW to wfinddata64i32_t */
static void msvcrt_wfttofd64i32( const WIN32_FIND_DATAW *fd, struct MSVCRT__wfinddata64i32_t* ft)
{
DWORD dw;
if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
ft->attrib = 0;
else
ft->attrib = fd->dwFileAttributes;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
ft->time_create = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
ft->time_access = dw;
RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
ft->time_write = dw;
ft->size = fd->nFileSizeLow;
strcpyW(ft->name, fd->cFileName);
}
/*********************************************************************
* _chdir (MSVCRT.@)
*
* Change the current working directory.
*
* PARAMS
* newdir [I] Directory to change to
*
* RETURNS
* Success: 0. The current working directory is set to newdir.
* Failure: -1. errno indicates the error.
*
* NOTES
* See SetCurrentDirectoryA.
*/
int CDECL MSVCRT__chdir(const char * newdir)
{
if (!SetCurrentDirectoryA(newdir))
{
msvcrt_set_errno(newdir?GetLastError():0);
return -1;
}
return 0;
}
/*********************************************************************
* _wchdir (MSVCRT.@)
*
* Unicode version of _chdir.
*/
int CDECL _wchdir(const MSVCRT_wchar_t * newdir)
{
if (!SetCurrentDirectoryW(newdir))
{
msvcrt_set_errno(newdir?GetLastError():0);
return -1;
}
return 0;
}
/*********************************************************************
* _chdrive (MSVCRT.@)
*
* Change the current drive.
*
* PARAMS
* newdrive [I] Drive number to change to (1 = 'A', 2 = 'B', ...)
*
* RETURNS
* Success: 0. The current drive is set to newdrive.
* Failure: -1. errno indicates the error.
*
* NOTES
* See SetCurrentDirectoryA.
*/
int CDECL _chdrive(int newdrive)
{
WCHAR buffer[3] = {'A', ':', 0};
buffer[0] += newdrive - 1;
if (!SetCurrentDirectoryW( buffer ))
{
msvcrt_set_errno(GetLastError());
if (newdrive <= 0)
*MSVCRT__errno() = MSVCRT_EACCES;
return -1;
}
return 0;
}
/*********************************************************************
* _findclose (MSVCRT.@)
*
* Close a handle returned by _findfirst().
*
* PARAMS
* hand [I] Handle to close
*
* RETURNS
* Success: 0. All resources associated with hand are freed.
* Failure: -1. errno indicates the error.
*
* NOTES
* See FindClose.
*/
int CDECL MSVCRT__findclose(MSVCRT_intptr_t hand)
{
TRACE(":handle %ld\n",hand);
if (!FindClose((HANDLE)hand))
{
msvcrt_set_errno(GetLastError());
return -1;
}
return 0;
}
/*********************************************************************
* _findfirst (MSVCRT.@)
*
* Open a handle for iterating through a directory.
*
* PARAMS
* fspec [I] File specification of files to iterate.
* ft [O] Information for the first file found.
*
* RETURNS
* Success: A handle suitable for passing to _findnext() and _findclose().
* ft is populated with the details of the found file.
* Failure: -1. errno indicates the error.
*
* NOTES
* See FindFirstFileA.
*/
MSVCRT_intptr_t CDECL MSVCRT__findfirst(const char * fspec, struct MSVCRT__finddata_t* ft)
{
WIN32_FIND_DATAA find_data;
HANDLE hfind;
hfind = FindFirstFileA(fspec, &find_data);
if (hfind == INVALID_HANDLE_VALUE)
{
msvcrt_set_errno(GetLastError());
return -1;
}
msvcrt_fttofd(&find_data,ft);
TRACE(":got handle %p\n",hfind);
return (MSVCRT_intptr_t)hfind;
}
/*********************************************************************
* _wfindfirst (MSVCRT.@)
*
* Unicode version of _findfirst.
*/
MSVCRT_intptr_t CDECL MSVCRT__wfindfirst(const MSVCRT_wchar_t * fspec, struct MSVCRT__wfinddata_t* ft)
{
WIN32_FIND_DATAW find_data;
HANDLE hfind;
hfind = FindFirstFileW(fspec, &find_data);
if (hfind == INVALID_HANDLE_VALUE)
{
msvcrt_set_errno(GetLastError());
return -1;
}
msvcrt_wfttofd(&find_data,ft);
TRACE(":got handle %p\n",hfind);
return (MSVCRT_intptr_t)hfind;
}
/*********************************************************************
* _findfirsti64 (MSVCRT.@)
*
* 64-bit version of _findfirst.
*/
MSVCRT_intptr_t CDECL MSVCRT__findfirsti64(const char * fspec, struct MSVCRT__finddatai64_t* ft)
{
WIN32_FIND_DATAA find_data;
HANDLE hfind;
hfind = FindFirstFileA(fspec, &find_data);
if (hfind == INVALID_HANDLE_VALUE)
{
msvcrt_set_errno(GetLastError());
return -1;
}
msvcrt_fttofdi64(&find_data,ft);
TRACE(":got handle %p\n",hfind);
return (MSVCRT_intptr_t)hfind;
}
/*********************************************************************
* _findfirst64 (MSVCRT.@)
*
* 64-bit version of _findfirst.
*/
MSVCRT_intptr_t CDECL MSVCRT__findfirst64(const char * fspec, struct MSVCRT__finddata64_t* ft)
{
WIN32_FIND_DATAA find_data;
HANDLE hfind;
hfind = FindFirstFileA(fspec, &find_data);
if (hfind == INVALID_HANDLE_VALUE)
{
msvcrt_set_errno(GetLastError());
return -1;
}
msvcrt_fttofd64(&find_data,ft);
TRACE(":got handle %p\n",hfind);
return (MSVCRT_intptr_t)hfind;
}
/*********************************************************************
* _findfirst64i32 (MSVCRT.@)
*
* 64-bit/32-bit version of _findfirst.
*/
MSVCRT_intptr_t CDECL MSVCRT__findfirst64i32(const char * fspec, struct MSVCRT__finddata64i32_t* ft)
{
WIN32_FIND_DATAA find_data;
HANDLE hfind;
hfind = FindFirstFileA(fspec, &find_data);
if (hfind == INVALID_HANDLE_VALUE)
{
msvcrt_set_errno(GetLastError());
return -1;
}
msvcrt_fttofd64i32(&find_data,ft);
TRACE(":got handle %p\n",hfind);
return (MSVCRT_intptr_t)hfind;
}
/*********************************************************************
* _wfindfirst64i32 (MSVCRT.@)
*
* Unicode version of _findfirst64i32.
*/
MSVCRT_intptr_t CDECL MSVCRT__wfindfirst64i32(const MSVCRT_wchar_t * fspec, struct MSVCRT__wfinddata64i32_t* ft)
{
WIN32_FIND_DATAW find_data;
HANDLE hfind;
hfind = FindFirstFileW(fspec, &find_data);
if (hfind == INVALID_HANDLE_VALUE)
{
msvcrt_set_errno(GetLastError());
return -1;
}
msvcrt_wfttofd64i32(&find_data,ft);
TRACE(":got handle %p\n",hfind);
return (MSVCRT_intptr_t)hfind;
}
/*********************************************************************
* _wfindfirsti64 (MSVCRT.@)
*
* Unicode version of _findfirsti64.
*/
MSVCRT_intptr_t CDECL MSVCRT__wfindfirsti64(const MSVCRT_wchar_t * fspec, struct MSVCRT__wfinddatai64_t* ft)
{
WIN32_FIND_DATAW find_data;
HANDLE hfind;
hfind = FindFirstFileW(fspec, &find_data);
if (hfind == INVALID_HANDLE_VALUE)
{
msvcrt_set_errno(GetLastError());
return -1;
}
msvcrt_wfttofdi64(&find_data,ft);
TRACE(":got handle %p\n",hfind);
return (MSVCRT_intptr_t)hfind;
}
/*********************************************************************
* _findnext (MSVCRT.@)
*
* Find the next file from a file search handle.
*
* PARAMS
* hand [I] Handle to the search returned from _findfirst().
* ft [O] Information for the file found.
*
* RETURNS
* Success: 0. ft is populated with the details of the found file.
* Failure: -1. errno indicates the error.
*
* NOTES
* See FindNextFileA.
*/
int CDECL MSVCRT__findnext(MSVCRT_intptr_t hand, struct MSVCRT__finddata_t * ft)
{
WIN32_FIND_DATAA find_data;
if (!FindNextFileA((HANDLE)hand, &find_data))
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
msvcrt_fttofd(&find_data,ft);
return 0;
}
/*********************************************************************
* _wfindnext (MSVCRT.@)
*
* Unicode version of _findnext.
*/
int CDECL MSVCRT__wfindnext(MSVCRT_intptr_t hand, struct MSVCRT__wfinddata_t * ft)
{
WIN32_FIND_DATAW find_data;
if (!FindNextFileW((HANDLE)hand, &find_data))
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
msvcrt_wfttofd(&find_data,ft);
return 0;
}
/*********************************************************************
* _findnexti64 (MSVCRT.@)
*
* 64-bit version of _findnext.
*/
int CDECL MSVCRT__findnexti64(MSVCRT_intptr_t hand, struct MSVCRT__finddatai64_t * ft)
{
WIN32_FIND_DATAA find_data;
if (!FindNextFileA((HANDLE)hand, &find_data))
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
msvcrt_fttofdi64(&find_data,ft);
return 0;
}
/*********************************************************************
* _findnext64 (MSVCRT.@)
*
* 64-bit version of _findnext.
*/
int CDECL MSVCRT__findnext64(long hand, struct MSVCRT__finddata64_t * ft)
{
WIN32_FIND_DATAA find_data;
if (!FindNextFileA((HANDLE)hand, &find_data))
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
msvcrt_fttofd64(&find_data,ft);
return 0;
}
/*********************************************************************
* _findnext64i32 (MSVCRT.@)
*
* 64-bit/32-bit version of _findnext.
*/
int CDECL MSVCRT__findnext64i32(long hand, struct MSVCRT__finddata64i32_t * ft)
{
WIN32_FIND_DATAA find_data;
if (!FindNextFileA((HANDLE)hand, &find_data))
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
msvcrt_fttofd64i32(&find_data,ft);
return 0;
}
/*********************************************************************
* _wfindnexti64 (MSVCRT.@)
*
* Unicode version of _findnexti64.
*/
int CDECL MSVCRT__wfindnexti64(MSVCRT_intptr_t hand, struct MSVCRT__wfinddatai64_t * ft)
{
WIN32_FIND_DATAW find_data;
if (!FindNextFileW((HANDLE)hand, &find_data))
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
msvcrt_wfttofdi64(&find_data,ft);
return 0;
}
/*********************************************************************
* _wfindnext64i32 (MSVCRT.@)
*
* Unicode version of _findnext64i32.
*/
int CDECL MSVCRT__wfindnext64i32(MSVCRT_intptr_t hand, struct MSVCRT__wfinddata64i32_t * ft)
{
WIN32_FIND_DATAW find_data;
if (!FindNextFileW((HANDLE)hand, &find_data))
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
msvcrt_wfttofd64i32(&find_data,ft);
return 0;
}
/*********************************************************************
* _getcwd (MSVCRT.@)
*
* Get the current working directory.
*
* PARAMS
* buf [O] Destination for current working directory.
* size [I] Size of buf in characters
*
* RETURNS
* Success: If buf is NULL, returns an allocated string containing the path.
* Otherwise populates buf with the path and returns it.
* Failure: NULL. errno indicates the error.
*/
char* CDECL _getcwd(char * buf, int size)
{
char dir[MAX_PATH];
int dir_len = GetCurrentDirectoryA(MAX_PATH,dir);
if (dir_len < 1)
return NULL; /* FIXME: Real return value untested */
if (!buf)
{
if (size <= dir_len) size = dir_len + 1;
if (!(buf = MSVCRT_malloc( size ))) return NULL;
}
else if (dir_len >= size)
{
*MSVCRT__errno() = MSVCRT_ERANGE;
return NULL; /* buf too small */
}
strcpy(buf,dir);
return buf;
}
/*********************************************************************
* _wgetcwd (MSVCRT.@)
*
* Unicode version of _getcwd.
*/
MSVCRT_wchar_t* CDECL _wgetcwd(MSVCRT_wchar_t * buf, int size)
{
MSVCRT_wchar_t dir[MAX_PATH];
int dir_len = GetCurrentDirectoryW(MAX_PATH,dir);
if (dir_len < 1)
return NULL; /* FIXME: Real return value untested */
if (!buf)
{
if (size <= dir_len) size = dir_len + 1;
if (!(buf = MSVCRT_malloc( size * sizeof(WCHAR) ))) return NULL;
}
if (dir_len >= size)
{
*MSVCRT__errno() = MSVCRT_ERANGE;
return NULL; /* buf too small */
}
strcpyW(buf,dir);
return buf;
}
/*********************************************************************
* _getdrive (MSVCRT.@)
*
* Get the current drive number.
*
* PARAMS
* None.
*
* RETURNS
* Success: The drive letter number from 1 to 26 ("A:" to "Z:").
* Failure: 0.
*/
int CDECL _getdrive(void)
{
WCHAR buffer[MAX_PATH];
if (GetCurrentDirectoryW( MAX_PATH, buffer ) &&
buffer[0] >= 'A' && buffer[0] <= 'z' && buffer[1] == ':')
return toupperW(buffer[0]) - 'A' + 1;
return 0;
}
/*********************************************************************
* _getdcwd (MSVCRT.@)
*
* Get the current working directory on a given disk.
*
* PARAMS
* drive [I] Drive letter to get the current working directory from.
* buf [O] Destination for the current working directory.
* size [I] Length of drive in characters.
*
* RETURNS
* Success: If drive is NULL, returns an allocated string containing the path.
* Otherwise populates drive with the path and returns it.
* Failure: NULL. errno indicates the error.
*/
char* CDECL _getdcwd(int drive, char * buf, int size)
{
static char* dummy;
TRACE(":drive %d(%c), size %d\n",drive, drive + 'A' - 1, size);
if (!drive || drive == _getdrive())
return _getcwd(buf,size); /* current */
else
{
char dir[MAX_PATH];
char drivespec[4] = {'A', ':', 0};
int dir_len;
drivespec[0] += drive - 1;
if (GetDriveTypeA(drivespec) < DRIVE_REMOVABLE)
{
*MSVCRT__errno() = MSVCRT_EACCES;
return NULL;
}
dir_len = GetFullPathNameA(drivespec,MAX_PATH,dir,&dummy);
if (dir_len >= size || dir_len < 1)
{
*MSVCRT__errno() = MSVCRT_ERANGE;
return NULL; /* buf too small */
}
TRACE(":returning '%s'\n", dir);
if (!buf)
return _strdup(dir); /* allocate */
strcpy(buf,dir);
}
return buf;
}
/*********************************************************************
* _wgetdcwd (MSVCRT.@)
*
* Unicode version of _wgetdcwd.
*/
MSVCRT_wchar_t* CDECL _wgetdcwd(int drive, MSVCRT_wchar_t * buf, int size)
{
static MSVCRT_wchar_t* dummy;
TRACE(":drive %d(%c), size %d\n",drive, drive + 'A' - 1, size);
if (!drive || drive == _getdrive())
return _wgetcwd(buf,size); /* current */
else
{
MSVCRT_wchar_t dir[MAX_PATH];
MSVCRT_wchar_t drivespec[4] = {'A', ':', '\\', 0};
int dir_len;
drivespec[0] += drive - 1;
if (GetDriveTypeW(drivespec) < DRIVE_REMOVABLE)
{
*MSVCRT__errno() = MSVCRT_EACCES;
return NULL;
}
dir_len = GetFullPathNameW(drivespec,MAX_PATH,dir,&dummy);
if (dir_len >= size || dir_len < 1)
{
*MSVCRT__errno() = MSVCRT_ERANGE;
return NULL; /* buf too small */
}
TRACE(":returning %s\n", debugstr_w(dir));
if (!buf)
return _wcsdup(dir); /* allocate */
strcpyW(buf,dir);
}
return buf;
}
/*********************************************************************
* _getdiskfree (MSVCRT.@)
*
* Get information about the free space on a drive.
*
* PARAMS
* disk [I] Drive number to get information about (1 = 'A', 2 = 'B', ...)
* info [O] Destination for the resulting information.
*
* RETURNS
* Success: 0. info is updated with the free space information.
* Failure: An error code from GetLastError().
*
* NOTES
* See GetLastError().
*/
unsigned int CDECL MSVCRT__getdiskfree(unsigned int disk, struct MSVCRT__diskfree_t * d)
{
WCHAR drivespec[4] = {'@', ':', '\\', 0};
DWORD ret[4];
unsigned int err;
if (disk > 26)
return ERROR_INVALID_PARAMETER; /* MSVCRT doesn't set errno here */
drivespec[0] += disk; /* make a drive letter */
if (GetDiskFreeSpaceW(disk==0?NULL:drivespec,ret,ret+1,ret+2,ret+3))
{
d->sectors_per_cluster = ret[0];
d->bytes_per_sector = ret[1];
d->avail_clusters = ret[2];
d->total_clusters = ret[3];
return 0;
}
err = GetLastError();
msvcrt_set_errno(err);
return err;
}
/*********************************************************************
* _mkdir (MSVCRT.@)
*
* Create a directory.
*
* PARAMS
* newdir [I] Name of directory to create.
*
* RETURNS
* Success: 0. The directory indicated by newdir is created.
* Failure: -1. errno indicates the error.
*
* NOTES
* See CreateDirectoryA.
*/
int CDECL MSVCRT__mkdir(const char * newdir)
{
if (CreateDirectoryA(newdir,NULL))
return 0;
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _wmkdir (MSVCRT.@)
*
* Unicode version of _mkdir.
*/
int CDECL _wmkdir(const MSVCRT_wchar_t* newdir)
{
if (CreateDirectoryW(newdir,NULL))
return 0;
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _rmdir (MSVCRT.@)
*
* Delete a directory.
*
* PARAMS
* dir [I] Name of directory to delete.
*
* RETURNS
* Success: 0. The directory indicated by newdir is deleted.
* Failure: -1. errno indicates the error.
*
* NOTES
* See RemoveDirectoryA.
*/
int CDECL MSVCRT__rmdir(const char * dir)
{
if (RemoveDirectoryA(dir))
return 0;
msvcrt_set_errno(GetLastError());
return -1;
}
/*********************************************************************
* _wrmdir (MSVCRT.@)
*
* Unicode version of _rmdir.
*/
int CDECL _wrmdir(const MSVCRT_wchar_t * dir)
{
if (RemoveDirectoryW(dir))
return 0;
msvcrt_set_errno(GetLastError());
return -1;
}
/******************************************************************
* _splitpath_s (MSVCRT.@)
*/
int _splitpath_s(const char* inpath,
char* drive, MSVCRT_size_t sz_drive,
char* dir, MSVCRT_size_t sz_dir,
char* fname, MSVCRT_size_t sz_fname,
char* ext, MSVCRT_size_t sz_ext)
{
const char *p, *end;
if (!inpath || (!drive && sz_drive) ||
(drive && !sz_drive) ||
(!dir && sz_dir) ||
(dir && !sz_dir) ||
(!fname && sz_fname) ||
(fname && !sz_fname) ||
(!ext && sz_ext) ||
(ext && !sz_ext))
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
if (inpath[0] && inpath[1] == ':')
{
if (drive)
{
if (sz_drive <= 2) goto do_error;
drive[0] = inpath[0];
drive[1] = inpath[1];
drive[2] = 0;
}
inpath += 2;
}
else if (drive) drive[0] = '\0';
/* look for end of directory part */
end = NULL;
for (p = inpath; *p; p++) if (*p == '/' || *p == '\\') end = p + 1;
if (end) /* got a directory */
{
if (dir)
{
if (sz_dir <= end - inpath) goto do_error;
memcpy( dir, inpath, (end - inpath) );
dir[end - inpath] = 0;
}
inpath = end;
}
else if (dir) dir[0] = 0;
/* look for extension: what's after the last dot */
end = NULL;
for (p = inpath; *p; p++) if (*p == '.') end = p;
if (!end) end = p; /* there's no extension */
if (fname)
{
if (sz_fname <= end - inpath) goto do_error;
memcpy( fname, inpath, (end - inpath) );
fname[end - inpath] = 0;
}
if (ext)
{
if (sz_ext <= strlen(end)) goto do_error;
strcpy( ext, end );
}
return 0;
do_error:
if (drive) drive[0] = '\0';
if (dir) dir[0] = '\0';
if (fname) fname[0]= '\0';
if (ext) ext[0]= '\0';
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
/*********************************************************************
* _splitpath (MSVCRT.@)
*/
void CDECL _splitpath(const char *inpath, char *drv, char *dir,
char *fname, char *ext)
{
_splitpath_s(inpath, drv, drv?MSVCRT__MAX_DRIVE:0, dir, dir?MSVCRT__MAX_DIR:0,
fname, fname?MSVCRT__MAX_FNAME:0, ext, ext?MSVCRT__MAX_EXT:0);
}
/******************************************************************
* _wsplitpath_s (MSVCRT.@)
*
* Secure version of _wsplitpath
*/
int _wsplitpath_s(const MSVCRT_wchar_t* inpath,
MSVCRT_wchar_t* drive, MSVCRT_size_t sz_drive,
MSVCRT_wchar_t* dir, MSVCRT_size_t sz_dir,
MSVCRT_wchar_t* fname, MSVCRT_size_t sz_fname,
MSVCRT_wchar_t* ext, MSVCRT_size_t sz_ext)
{
const MSVCRT_wchar_t *p, *end;
if (!inpath || (!drive && sz_drive) ||
(drive && !sz_drive) ||
(!dir && sz_dir) ||
(dir && !sz_dir) ||
(!fname && sz_fname) ||
(fname && !sz_fname) ||
(!ext && sz_ext) ||
(ext && !sz_ext))
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
if (inpath[0] && inpath[1] == ':')
{
if (drive)
{
if (sz_drive <= 2) goto do_error;
drive[0] = inpath[0];
drive[1] = inpath[1];
drive[2] = 0;
}
inpath += 2;
}
else if (drive) drive[0] = '\0';
/* look for end of directory part */
end = NULL;
for (p = inpath; *p; p++) if (*p == '/' || *p == '\\') end = p + 1;
if (end) /* got a directory */
{
if (dir)
{
if (sz_dir <= end - inpath) goto do_error;
memcpy( dir, inpath, (end - inpath) * sizeof(MSVCRT_wchar_t) );
dir[end - inpath] = 0;
}
inpath = end;
}
else if (dir) dir[0] = 0;
/* look for extension: what's after the last dot */
end = NULL;
for (p = inpath; *p; p++) if (*p == '.') end = p;
if (!end) end = p; /* there's no extension */
if (fname)
{
if (sz_fname <= end - inpath) goto do_error;
memcpy( fname, inpath, (end - inpath) * sizeof(MSVCRT_wchar_t) );
fname[end - inpath] = 0;
}
if (ext)
{
if (sz_ext <= strlenW(end)) goto do_error;
strcpyW( ext, end );
}
return 0;
do_error:
if (drive) drive[0] = '\0';
if (dir) dir[0] = '\0';
if (fname) fname[0]= '\0';
if (ext) ext[0]= '\0';
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
/*********************************************************************
* _wsplitpath (MSVCRT.@)
*
* Unicode version of _splitpath.
*/
void CDECL _wsplitpath(const MSVCRT_wchar_t *inpath, MSVCRT_wchar_t *drv, MSVCRT_wchar_t *dir,
MSVCRT_wchar_t *fname, MSVCRT_wchar_t *ext)
{
_wsplitpath_s(inpath, drv, drv?MSVCRT__MAX_DRIVE:0, dir, dir?MSVCRT__MAX_DIR:0,
fname, fname?MSVCRT__MAX_FNAME:0, ext, ext?MSVCRT__MAX_EXT:0);
}
/*********************************************************************
* _wfullpath (MSVCRT.@)
*
* Unicode version of _fullpath.
*/
MSVCRT_wchar_t * CDECL _wfullpath(MSVCRT_wchar_t * absPath, const MSVCRT_wchar_t* relPath, MSVCRT_size_t size)
{
DWORD rc;
WCHAR* buffer;
WCHAR* lastpart;
BOOL alloced = FALSE;
if (!relPath || !*relPath)
return _wgetcwd(absPath, size);
if (absPath == NULL)
{
buffer = MSVCRT_malloc(MAX_PATH * sizeof(WCHAR));
size = MAX_PATH;
alloced = TRUE;
}
else
buffer = absPath;
if (size < 4)
{
*MSVCRT__errno() = MSVCRT_ERANGE;
return NULL;
}
TRACE(":resolving relative path %s\n",debugstr_w(relPath));
rc = GetFullPathNameW(relPath,size,buffer,&lastpart);
if (rc > 0 && rc <= size )
return buffer;
else
{
if (alloced)
MSVCRT_free(buffer);
return NULL;
}
}
/*********************************************************************
* _fullpath (MSVCRT.@)
*
* Create an absolute path from a relative path.
*
* PARAMS
* absPath [O] Destination for absolute path
* relPath [I] Relative path to convert to absolute
* size [I] Length of absPath in characters.
*
* RETURNS
* Success: If absPath is NULL, returns an allocated string containing the path.
* Otherwise populates absPath with the path and returns it.
* Failure: NULL. errno indicates the error.
*/
char * CDECL _fullpath(char * absPath, const char* relPath, unsigned int size)
{
DWORD rc;
char* lastpart;
char* buffer;
BOOL alloced = FALSE;
if (!relPath || !*relPath)
return _getcwd(absPath, size);
if (absPath == NULL)
{
buffer = MSVCRT_malloc(MAX_PATH);
size = MAX_PATH;
alloced = TRUE;
}
else
buffer = absPath;
if (size < 4)
{
*MSVCRT__errno() = MSVCRT_ERANGE;
return NULL;
}
TRACE(":resolving relative path '%s'\n",relPath);
rc = GetFullPathNameA(relPath,size,buffer,&lastpart);
if (rc > 0 && rc <= size)
return buffer;
else
{
if (alloced)
MSVCRT_free(buffer);
return NULL;
}
}
/*********************************************************************
* _makepath (MSVCRT.@)
*
* Create a pathname.
*
* PARAMS
* path [O] Destination for created pathname
* drive [I] Drive letter (e.g. "A:")
* directory [I] Directory
* filename [I] Name of the file, excluding extension
* extension [I] File extension (e.g. ".TXT")
*
* RETURNS
* Nothing. If path is not large enough to hold the resulting pathname,
* random process memory will be overwritten.
*/
VOID CDECL _makepath(char * path, const char * drive,
const char *directory, const char * filename,
const char * extension)
{
char *p = path;
TRACE("(%s %s %s %s)\n", debugstr_a(drive), debugstr_a(directory),
debugstr_a(filename), debugstr_a(extension) );
if ( !path )
return;
if (drive && drive[0])
{
*p++ = drive[0];
*p++ = ':';
}
if (directory && directory[0])
{
unsigned int len = strlen(directory);
memmove(p, directory, len);
p += len;
if (p[-1] != '/' && p[-1] != '\\')
*p++ = '\\';
}
if (filename && filename[0])
{
unsigned int len = strlen(filename);
memmove(p, filename, len);
p += len;
}
if (extension && extension[0])
{
if (extension[0] != '.')
*p++ = '.';
strcpy(p, extension);
}
else
*p = '\0';
TRACE("returning %s\n",path);
}
/*********************************************************************
* _wmakepath (MSVCRT.@)
*
* Unicode version of _wmakepath.
*/
VOID CDECL _wmakepath(MSVCRT_wchar_t *path, const MSVCRT_wchar_t *drive, const MSVCRT_wchar_t *directory,
const MSVCRT_wchar_t *filename, const MSVCRT_wchar_t *extension)
{
MSVCRT_wchar_t *p = path;
TRACE("%s %s %s %s\n", debugstr_w(drive), debugstr_w(directory),
debugstr_w(filename), debugstr_w(extension));
if ( !path )
return;
if (drive && drive[0])
{
*p++ = drive[0];
*p++ = ':';
}
if (directory && directory[0])
{
unsigned int len = strlenW(directory);
memmove(p, directory, len * sizeof(MSVCRT_wchar_t));
p += len;
if (p[-1] != '/' && p[-1] != '\\')
*p++ = '\\';
}
if (filename && filename[0])
{
unsigned int len = strlenW(filename);
memmove(p, filename, len * sizeof(MSVCRT_wchar_t));
p += len;
}
if (extension && extension[0])
{
if (extension[0] != '.')
*p++ = '.';
strcpyW(p, extension);
}
else
*p = '\0';
TRACE("returning %s\n", debugstr_w(path));
}
/*********************************************************************
* _makepath_s (MSVCRT.@)
*
* Safe version of _makepath.
*/
int CDECL _makepath_s(char *path, MSVCRT_size_t size, const char *drive,
const char *directory, const char *filename,
const char *extension)
{
char *p = path;
if (!path || !size)
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
if (drive && drive[0])
{
if (size <= 2)
goto range;
*p++ = drive[0];
*p++ = ':';
size -= 2;
}
if (directory && directory[0])
{
unsigned int len = strlen(directory);
unsigned int needs_separator = directory[len - 1] != '/' && directory[len - 1] != '\\';
unsigned int copylen = min(size - 1, len);
if (size < 2)
goto range;
memmove(p, directory, copylen);
if (size <= len)
goto range;
p += copylen;
size -= copylen;
if (needs_separator)
{
if (size < 2)
goto range;
*p++ = '\\';
size -= 1;
}
}
if (filename && filename[0])
{
unsigned int len = strlen(filename);
unsigned int copylen = min(size - 1, len);
if (size < 2)
goto range;
memmove(p, filename, copylen);
if (size <= len)
goto range;
p += len;
size -= len;
}
if (extension && extension[0])
{
unsigned int len = strlen(extension);
unsigned int needs_period = extension[0] != '.';
unsigned int copylen;
if (size < 2)
goto range;
if (needs_period)
{
*p++ = '.';
size -= 1;
}
copylen = min(size - 1, len);
memcpy(p, extension, copylen);
if (size <= len)
goto range;
p += copylen;
}
*p = '\0';
return 0;
range:
path[0] = '\0';
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
/*********************************************************************
* _wmakepath_s (MSVCRT.@)
*
* Safe version of _wmakepath.
*/
int CDECL _wmakepath_s(MSVCRT_wchar_t *path, MSVCRT_size_t size, const MSVCRT_wchar_t *drive,
const MSVCRT_wchar_t *directory, const MSVCRT_wchar_t *filename,
const MSVCRT_wchar_t *extension)
{
MSVCRT_wchar_t *p = path;
if (!path || !size)
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
if (drive && drive[0])
{
if (size <= 2)
goto range;
*p++ = drive[0];
*p++ = ':';
size -= 2;
}
if (directory && directory[0])
{
unsigned int len = strlenW(directory);
unsigned int needs_separator = directory[len - 1] != '/' && directory[len - 1] != '\\';
unsigned int copylen = min(size - 1, len);
if (size < 2)
goto range;
memmove(p, directory, copylen * sizeof(MSVCRT_wchar_t));
if (size <= len)
goto range;
p += copylen;
size -= copylen;
if (needs_separator)
{
if (size < 2)
goto range;
*p++ = '\\';
size -= 1;
}
}
if (filename && filename[0])
{
unsigned int len = strlenW(filename);
unsigned int copylen = min(size - 1, len);
if (size < 2)
goto range;
memmove(p, filename, copylen * sizeof(MSVCRT_wchar_t));
if (size <= len)
goto range;
p += len;
size -= len;
}
if (extension && extension[0])
{
unsigned int len = strlenW(extension);
unsigned int needs_period = extension[0] != '.';
unsigned int copylen;
if (size < 2)
goto range;
if (needs_period)
{
*p++ = '.';
size -= 1;
}
copylen = min(size - 1, len);
memcpy(p, extension, copylen * sizeof(MSVCRT_wchar_t));
if (size <= len)
goto range;
p += copylen;
}
*p = '\0';
return 0;
range:
path[0] = '\0';
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
/*********************************************************************
* _searchenv (MSVCRT.@)
*
* Search for a file in a list of paths from an environment variable.
*
* PARAMS
* file [I] Name of the file to search for.
* env [I] Name of the environment variable containing a list of paths.
* buf [O] Destination for the found file path.
*
* RETURNS
* Nothing. If the file is not found, buf will contain an empty string
* and errno is set.
*/
void CDECL _searchenv(const char* file, const char* env, char *buf)
{
char*envVal, *penv;
char curPath[MAX_PATH];
*buf = '\0';
/* Try CWD first */
if (GetFileAttributesA( file ) != INVALID_FILE_ATTRIBUTES)
{
GetFullPathNameA( file, MAX_PATH, buf, NULL );
/* Sigh. This error is *always* set, regardless of success */
msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
return;
}
/* Search given environment variable */
envVal = MSVCRT_getenv(env);
if (!envVal)
{
msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
return;
}
penv = envVal;
TRACE(":searching for %s in paths %s\n", file, envVal);
do
{
char *end = penv;
while(*end && *end != ';') end++; /* Find end of next path */
if (penv == end || !*penv)
{
msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
return;
}
memcpy(curPath, penv, end - penv);
if (curPath[end - penv] != '/' && curPath[end - penv] != '\\')
{
curPath[end - penv] = '\\';
curPath[end - penv + 1] = '\0';
}
else
curPath[end - penv] = '\0';
strcat(curPath, file);
TRACE("Checking for file %s\n", curPath);
if (GetFileAttributesA( curPath ) != INVALID_FILE_ATTRIBUTES)
{
strcpy(buf, curPath);
msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
return; /* Found */
}
penv = *end ? end + 1 : end;
} while(1);
}
/*********************************************************************
* _searchenv_s (MSVCRT.@)
*/
int CDECL _searchenv_s(const char* file, const char* env, char *buf, MSVCRT_size_t count)
{
char*envVal, *penv;
char curPath[MAX_PATH];
if (!MSVCRT_CHECK_PMT(file != NULL) || !MSVCRT_CHECK_PMT(buf != NULL) ||
!MSVCRT_CHECK_PMT(count > 0))
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
*buf = '\0';
/* Try CWD first */
if (GetFileAttributesA( file ) != INVALID_FILE_ATTRIBUTES)
{
if (GetFullPathNameA( file, count, buf, NULL )) return 0;
msvcrt_set_errno(GetLastError());
return 0;
}
/* Search given environment variable */
envVal = MSVCRT_getenv(env);
if (!envVal)
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return MSVCRT_ENOENT;
}
penv = envVal;
TRACE(":searching for %s in paths %s\n", file, envVal);
do
{
char *end = penv;
while(*end && *end != ';') end++; /* Find end of next path */
if (penv == end || !*penv)
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return MSVCRT_ENOENT;
}
memcpy(curPath, penv, end - penv);
if (curPath[end - penv] != '/' && curPath[end - penv] != '\\')
{
curPath[end - penv] = '\\';
curPath[end - penv + 1] = '\0';
}
else
curPath[end - penv] = '\0';
strcat(curPath, file);
TRACE("Checking for file %s\n", curPath);
if (GetFileAttributesA( curPath ) != INVALID_FILE_ATTRIBUTES)
{
if (strlen(curPath) + 1 > count)
{
MSVCRT_INVALID_PMT("buf[count] is too small");
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
strcpy(buf, curPath);
return 0;
}
penv = *end ? end + 1 : end;
} while(1);
}
/*********************************************************************
* _wsearchenv (MSVCRT.@)
*
* Unicode version of _searchenv
*/
void CDECL _wsearchenv(const MSVCRT_wchar_t* file, const MSVCRT_wchar_t* env, MSVCRT_wchar_t *buf)
{
MSVCRT_wchar_t *envVal, *penv;
MSVCRT_wchar_t curPath[MAX_PATH];
*buf = '\0';
/* Try CWD first */
if (GetFileAttributesW( file ) != INVALID_FILE_ATTRIBUTES)
{
GetFullPathNameW( file, MAX_PATH, buf, NULL );
/* Sigh. This error is *always* set, regardless of success */
msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
return;
}
/* Search given environment variable */
envVal = _wgetenv(env);
if (!envVal)
{
msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
return;
}
penv = envVal;
TRACE(":searching for %s in paths %s\n", debugstr_w(file), debugstr_w(envVal));
do
{
MSVCRT_wchar_t *end = penv;
while(*end && *end != ';') end++; /* Find end of next path */
if (penv == end || !*penv)
{
msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
return;
}
memcpy(curPath, penv, (end - penv) * sizeof(MSVCRT_wchar_t));
if (curPath[end - penv] != '/' && curPath[end - penv] != '\\')
{
curPath[end - penv] = '\\';
curPath[end - penv + 1] = '\0';
}
else
curPath[end - penv] = '\0';
strcatW(curPath, file);
TRACE("Checking for file %s\n", debugstr_w(curPath));
if (GetFileAttributesW( curPath ) != INVALID_FILE_ATTRIBUTES)
{
strcpyW(buf, curPath);
msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
return; /* Found */
}
penv = *end ? end + 1 : end;
} while(1);
}
/*********************************************************************
* _wsearchenv_s (MSVCRT.@)
*/
int CDECL _wsearchenv_s(const MSVCRT_wchar_t* file, const MSVCRT_wchar_t* env,
MSVCRT_wchar_t *buf, MSVCRT_size_t count)
{
MSVCRT_wchar_t* envVal, *penv;
MSVCRT_wchar_t curPath[MAX_PATH];
if (!MSVCRT_CHECK_PMT(file != NULL) || !MSVCRT_CHECK_PMT(buf != NULL) ||
!MSVCRT_CHECK_PMT(count > 0))
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
*buf = '\0';
/* Try CWD first */
if (GetFileAttributesW( file ) != INVALID_FILE_ATTRIBUTES)
{
if (GetFullPathNameW( file, count, buf, NULL )) return 0;
msvcrt_set_errno(GetLastError());
return 0;
}
/* Search given environment variable */
envVal = _wgetenv(env);
if (!envVal)
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return MSVCRT_ENOENT;
}
penv = envVal;
TRACE(":searching for %s in paths %s\n", debugstr_w(file), debugstr_w(envVal));
do
{
MSVCRT_wchar_t *end = penv;
while(*end && *end != ';') end++; /* Find end of next path */
if (penv == end || !*penv)
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return MSVCRT_ENOENT;
}
memcpy(curPath, penv, (end - penv) * sizeof(MSVCRT_wchar_t));
if (curPath[end - penv] != '/' && curPath[end - penv] != '\\')
{
curPath[end - penv] = '\\';
curPath[end - penv + 1] = '\0';
}
else
curPath[end - penv] = '\0';
strcatW(curPath, file);
TRACE("Checking for file %s\n", debugstr_w(curPath));
if (GetFileAttributesW( curPath ) != INVALID_FILE_ATTRIBUTES)
{
if (strlenW(curPath) + 1 > count)
{
MSVCRT_INVALID_PMT("buf[count] is too small");
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
strcpyW(buf, curPath);
return 0;
}
penv = *end ? end + 1 : end;
} while(1);
}
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