/* al_findnext:
* Retrieves the next file from a directory search.
*/
int al_findnext(struct al_ffblk *info)
{
struct FF_DATA *ff_data = (struct FF_DATA *) info->ff_data;
if (get_filename_encoding() != U_UNICODE) {
do {
if (_findnext(ff_data->handle, &ff_data->data.a) != 0) {
*allegro_errno = errno;
return -1;
}
} while (ff_data->data.a.attrib & ~ff_data->attrib);
}
else {
do {
if (_wfindnext(ff_data->handle, &ff_data->data.w) != 0) {
*allegro_errno = errno;
return -1;
}
} while (ff_data->data.w.attrib & ~ff_data->attrib);
}
fill_ffblk(info);
return 0;
}
/* al_findnext:
* Retrieves the next file from a directory search.
*/
int al_findnext(struct al_ffblk *info)
{
struct FF_DATA *ff_data = (struct FF_DATA *) info->ff_data;
if (!_al_win_unicode_filenames) {
do {
if (_findnext(ff_data->handle, &ff_data->data.a) != 0) {
*allegro_errno = errno;
return -1;
}
} while (ff_data->data.a.attrib & ~ff_data->attrib);
}
else {
do {
if (_wfindnext(ff_data->handle, &ff_data->data.w) != 0) {
*allegro_errno = errno;
return -1;
}
} while (ff_data->data.w.attrib & ~ff_data->attrib);
}
fill_ffblk(info);
return 0;
}
/* al_findfirst:
* Initiates a directory search.
*/
int al_findfirst(AL_CONST char *pattern, struct al_ffblk *info, int attrib)
{
struct FF_DATA *ff_data;
char tmp[1024];
/* allocate ff_data structure */
ff_data = _AL_MALLOC(sizeof(struct FF_DATA));
if (!ff_data) {
*allegro_errno = ENOMEM;
return -1;
}
/* attach it to the info structure */
info->ff_data = (void *) ff_data;
/* Windows defines specific flags for NTFS permissions:
* FA_TEMPORARY 0x0100
* FA_SPARSE_FILE 0x0200
* FA_REPARSE_POINT 0x0400
* FA_COMPRESSED 0x0800
* FA_OFFLINE 0x1000
* FA_NOT_CONTENT_INDEXED 0x2000
* FA_ENCRYPTED 0x4000
* so we must set them in the mask by default; moreover,
* in order to avoid problems with flags added in the
* future, we simply set all bits past the first byte.
*/
ff_data->attrib = attrib | 0xFFFFFF00;
/* start the search */
errno = *allegro_errno = 0;
if (get_filename_encoding() != U_UNICODE) {
ff_data->handle = _findfirst(uconvert(pattern, U_CURRENT, tmp,
U_ASCII, sizeof(tmp)),
&ff_data->data.a);
if (ff_data->handle < 0) {
*allegro_errno = errno;
_AL_FREE(ff_data);
info->ff_data = NULL;
return -1;
}
if (ff_data->data.a.attrib & ~ff_data->attrib) {
if (al_findnext(info) != 0) {
al_findclose(info);
return -1;
}
else
return 0;
}
}
else {
ff_data->handle = _wfindfirst((wchar_t*)uconvert(pattern, U_CURRENT, tmp,
U_UNICODE, sizeof(tmp)),
&ff_data->data.w);
if (ff_data->handle < 0) {
*allegro_errno = errno;
_AL_FREE(ff_data);
info->ff_data = NULL;
return -1;
}
if (ff_data->data.w.attrib & ~ff_data->attrib) {
if (al_findnext(info) != 0) {
al_findclose(info);
return -1;
}
else
return 0;
}
}
fill_ffblk(info);
return 0;
}
