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kernelbase: Avoid using OpenFile(). 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2019-12-11 22:46:04 +01:00
parent a76518c186
commit d1bc340fce
1 changed files with 27 additions and 45 deletions
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72
dlls/kernelbase/version.c
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@ -1104,34 +1104,24 @@ BOOL WINAPI VerQueryValueW( LPCVOID pBlock, LPCWSTR lpSubBlock,
*/
static BOOL file_existsA( char const * path, char const * file, BOOL excl )
{
char filename[1024];
int filenamelen;
OFSTRUCT fileinfo;
fileinfo.cBytes = sizeof(OFSTRUCT);
DWORD sharing = excl ? 0 : FILE_SHARE_READ | FILE_SHARE_WRITE;
char filename[MAX_PATH];
int len;
HANDLE handle;
if (path)
{
strcpy(filename, path);
filenamelen = strlen(filename);
/* Add a trailing \ if necessary */
if(filenamelen)
{
if(filename[filenamelen - 1] != '\\')
strcat(filename, "\\");
}
else /* specify the current directory */
strcpy(filename, ".\\");
strcpy( filename, path );
len = strlen(filename);
if (len && filename[len - 1] != '\\') strcat( filename, "\\" );
strcat( filename, file );
}
else
filename[0] = 0;
else if (!SearchPathA( NULL, file, NULL, MAX_PATH, filename, NULL )) return FALSE;
/* Create the full pathname */
strcat(filename, file);
return (OpenFile(filename, &fileinfo,
OF_EXIST | (excl ? OF_SHARE_EXCLUSIVE : 0)) != HFILE_ERROR);
handle = CreateFileA( filename, 0, sharing, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0 );
if (handle == INVALID_HANDLE_VALUE) return FALSE;
CloseHandle( handle );
return TRUE;
}
/******************************************************************************
@ -1139,32 +1129,24 @@ static BOOL file_existsA( char const * path, char const * file, BOOL excl )
*/
static BOOL file_existsW( const WCHAR *path, const WCHAR *file, BOOL excl )
{
char *filename;
DWORD pathlen, filelen;
int ret;
OFSTRUCT fileinfo;
DWORD sharing = excl ? 0 : FILE_SHARE_READ | FILE_SHARE_WRITE;
WCHAR filename[MAX_PATH];
int len;
HANDLE handle;
fileinfo.cBytes = sizeof(OFSTRUCT);
pathlen = WideCharToMultiByte( CP_ACP, 0, path, -1, NULL, 0, NULL, NULL );
filelen = WideCharToMultiByte( CP_ACP, 0, file, -1, NULL, 0, NULL, NULL );
filename = HeapAlloc( GetProcessHeap(), 0, pathlen+filelen+2 );
WideCharToMultiByte( CP_ACP, 0, path, -1, filename, pathlen, NULL, NULL );
/* Add a trailing \ if necessary */
if (pathlen > 1)
if (path)
{
if (filename[pathlen-2] != '\\') strcpy( &filename[pathlen-1], "\\" );
lstrcpyW( filename, path );
len = lstrlenW(filename);
if (len && filename[len - 1] != '\\') lstrcatW( filename, L"\\" );
lstrcatW( filename, file );
}
else /* specify the current directory */
strcpy(filename, ".\\");
else if (!SearchPathW( NULL, file, NULL, MAX_PATH, filename, NULL )) return FALSE;
WideCharToMultiByte( CP_ACP, 0, file, -1, filename+strlen(filename), filelen, NULL, NULL );
ret = (OpenFile(filename, &fileinfo,
OF_EXIST | (excl ? OF_SHARE_EXCLUSIVE : 0)) != HFILE_ERROR);
HeapFree( GetProcessHeap(), 0, filename );
return ret;
handle = CreateFileW( filename, 0, sharing, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0 );
if (handle == INVALID_HANDLE_VALUE) return FALSE;
CloseHandle( handle );
return TRUE;
}
/*****************************************************************************