/** Free all data in the cache and set pointers to null. */
static void xdgFreeData(xdgCachedData *cache)
{
if (cache->dataHome);
{
/* the first element of the directory lists is usually the home directory */
if (cache->searchableDataDirectories && cache->searchableDataDirectories[0] != cache->dataHome)
free(cache->dataHome);
cache->dataHome = 0;
}
if (cache->configHome);
{
if (cache->searchableConfigDirectories && cache->searchableConfigDirectories[0] != cache->configHome)
free(cache->configHome);
cache->configHome = 0;
}
if (cache->cacheHome)
{
free(cache->cacheHome);
cache->cacheHome = 0;
}
xdgFreeStringList(cache->searchableDataDirectories);
cache->searchableDataDirectories = 0;
xdgFreeStringList(cache->searchableConfigDirectories);
cache->searchableConfigDirectories = 0;
}
/** Update all *Directories variables of cache.
* This includes xdgCachedData::searchableDataDirectories and xdgCachedData::searchableConfigDirectories.
* @param cache Data cache to be updated.
*/
static int xdgUpdateDirectoryLists(xdgCachedData* cache)
{
char** itemlist;
int size;
itemlist = xdgGetPathListEnv("XDG_DATA_DIRS", DefaultDataDirectoriesList);
if (!itemlist) return FALSE;
for (size = 0; itemlist[size]; size++) ; /* Get list size */
if (!(cache->searchableDataDirectories = (char**)malloc(sizeof(char*)*(size+2))))
{
xdgFreeStringList(itemlist);
return FALSE;
}
/* "home" directory has highest priority according to spec */
cache->searchableDataDirectories[0] = cache->dataHome;
memcpy(&(cache->searchableDataDirectories[1]), itemlist, sizeof(char*)*(size+1));
free(itemlist);
itemlist = xdgGetPathListEnv("XDG_CONFIG_DIRS", DefaultConfigDirectoriesList);
if (!itemlist) return FALSE;
for (size = 0; itemlist[size]; size++) ; /* Get list size */
if (!(cache->searchableConfigDirectories = (char**)malloc(sizeof(char*)*(size+2))))
{
xdgFreeStringList(itemlist);
return FALSE;
}
cache->searchableConfigDirectories[0] = cache->configHome;
memcpy(&(cache->searchableConfigDirectories[1]), itemlist, sizeof(char*)*(size+1));
free(itemlist);
return TRUE;
}
FILE * xdgConfigOpen(const char * relativePath, const char * mode, xdgHandle *handle)
{
const char * const * dirs = xdgSearchableConfigDirectories(handle);
FILE * result = xdgFileOpen(relativePath, mode, dirs);
if (!handle) xdgFreeStringList((char**)dirs);
return result;
}
char * xdgConfigFind(const char * relativePath, xdgHandle *handle)
{
const char * const * dirs = xdgSearchableConfigDirectories(handle);
char * result = xdgFindExisting(relativePath, dirs);
if (!handle) xdgFreeStringList((char**)dirs);
return result;
}
