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Added support for DOS drives in QueryDosDevice and DefineDosDevice.

This commit is contained in:
Alexandre Julliard 2004-03-30 21:00:07 +00:00
parent 455cf6c3e4
commit 21e5909ac1
1 changed files with 59 additions and 31 deletions
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90
dlls/kernel/volume.c
View File

@ -114,7 +114,7 @@ static char *read_symlink( const char *path )
HeapFree( GetProcessHeap(), 0, buffer );
return 0;
}
if (ret != sizeof(buffer))
if (ret != size)
{
buffer[ret] = 0;
return buffer;
@ -878,7 +878,9 @@ BOOL WINAPI GetVolumeNameForVolumeMountPointW(LPCWSTR str, LPWSTR dst, DWORD siz
*/
BOOL WINAPI DefineDosDeviceW( DWORD flags, LPCWSTR devname, LPCWSTR targetpath )
{
DWORD dosdev;
DWORD len, dosdev;
BOOL ret = FALSE;
char *path = NULL, *target, *p;
if (!(flags & DDD_RAW_TARGET_PATH))
{
@ -888,41 +890,44 @@ BOOL WINAPI DefineDosDeviceW( DWORD flags, LPCWSTR devname, LPCWSTR targetpath )
return FALSE;
}
len = WideCharToMultiByte( CP_UNIXCP, 0, targetpath, -1, NULL, 0, NULL, NULL );
if ((target = HeapAlloc( GetProcessHeap(), 0, len )))
{
WideCharToMultiByte( CP_UNIXCP, 0, targetpath, -1, target, len, NULL, NULL );
for (p = target; *p; p++) if (*p == '\\') *p = '/';
}
else
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return FALSE;
}
/* first check for a DOS device */
if ((dosdev = RtlIsDosDeviceName_U( devname )))
{
WCHAR name[5];
DWORD len;
char *path, *target, *p;
BOOL ret = FALSE;
memcpy( name, devname + HIWORD(dosdev)/sizeof(WCHAR), LOWORD(dosdev) );
name[LOWORD(dosdev)/sizeof(WCHAR)] = 0;
if (!(path = get_dos_device_path( name ))) return FALSE;
len = WideCharToMultiByte( CP_UNIXCP, 0, targetpath, -1, NULL, 0, NULL, NULL );
if ((target = HeapAlloc( GetProcessHeap(), 0, len )))
{
WideCharToMultiByte( CP_UNIXCP, 0, targetpath, -1, target, len, NULL, NULL );
for (p = target; *p; p++) if (*p == '\\') *p = '/';
TRACE( "creating symlink %s -> %s\n", path, target );
unlink( path );
if (!symlink( target, path )) ret = TRUE;
else FILE_SetDosError();
HeapFree( GetProcessHeap(), 0, target );
}
else SetLastError( ERROR_NOT_ENOUGH_MEMORY );
HeapFree( GetProcessHeap(), 0, path );
return ret;
path = get_dos_device_path( name );
}
else if (isalphaW(devname[0]) && devname[1] == ':' && !devname[2]) /* drive mapping */
{
path = get_dos_device_path( devname );
}
else SetLastError( ERROR_FILE_NOT_FOUND );
/* now it must be a drive mapping */
FIXME("(0x%08lx,%s,%s) drive mappings not supported yet\n",
flags, debugstr_w(devname), debugstr_w(targetpath) );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
if (path)
{
TRACE( "creating symlink %s -> %s\n", path, target );
unlink( path );
if (!symlink( target, path )) ret = TRUE;
else FILE_SetDosError();
HeapFree( GetProcessHeap(), 0, path );
}
HeapFree( GetProcessHeap(), 0, target );
return ret;
}
@ -983,13 +988,21 @@ DWORD WINAPI QueryDosDeviceW( LPCWSTR devname, LPWSTR target, DWORD bufsize )
char *path, *link;
DWORD dosdev, ret = 0;
if (!(dosdev = RtlIsDosDeviceName_U( devname )))
if ((dosdev = RtlIsDosDeviceName_U( devname )))
{
memcpy( name, devname + HIWORD(dosdev)/sizeof(WCHAR), LOWORD(dosdev) );
name[LOWORD(dosdev)/sizeof(WCHAR)] = 0;
}
else if (devname[0] && devname[1] == ':' && !devname[2])
{
memcpy( name, devname, 3 * sizeof(WCHAR) );
}
else
{
SetLastError( ERROR_BAD_PATHNAME );
return 0;
}
memcpy( name, devname + HIWORD(dosdev)/sizeof(WCHAR), LOWORD(dosdev) );
name[LOWORD(dosdev)/sizeof(WCHAR)] = 0;
if (!(path = get_dos_device_path( name ))) return 0;
link = read_symlink( path );
HeapFree( GetProcessHeap(), 0, path );
@ -999,7 +1012,7 @@ DWORD WINAPI QueryDosDeviceW( LPCWSTR devname, LPWSTR target, DWORD bufsize )
ret = MultiByteToWideChar( CP_UNIXCP, 0, link, -1, target, bufsize );
HeapFree( GetProcessHeap(), 0, link );
}
else /* look for defaults */
else if (dosdev) /* look for device defaults */
{
if (!strcmpiW( name, auxW ))
{
@ -1101,6 +1114,21 @@ DWORD WINAPI QueryDosDeviceW( LPCWSTR devname, LPWSTR target, DWORD bufsize )
p += 5;
}
}
for (i = 0; i < 26; i++)
{
sprintf( dev, "%c:", 'a' + i );
if (!stat( path, &st ))
{
if (p + 3 >= target + bufsize)
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
return 0;
}
*p++ = 'A' + i;
*p++ = ':';
*p++ = 0;
}
}
*p++ = 0; /* terminating null */
return p - target;
}