faster filesearch again

Author: Craftyawesome

src/filesrch.c

@@ -378,10 +378,16 @@ char *refreshdirname = NULL;
 #define isuptree(dirent) ((dirent)[0]=='.' && ((dirent)[1]=='\0' || ((dirent)[1]=='.' && (dirent)[2]=='\0')))
 
 #ifdef __SWITCH__
+static int scandir_filter(const struct dirent *entry) {
+    return (entry->d_type == DT_DIR &&
+			!(entry->d_name[0]=='.' &&
+				(entry->d_name[1]=='\0' ||
+					(entry->d_name[1]=='.' &&
+						entry->d_name[2]=='\0'))));
+           
+}
 filestatus_t filesearch(char *filename, const char *startpath, const UINT8 *wantedmd5sum, boolean completepath, int maxsearchdepth) {
 	struct dirent **namelist;
-	int n = scandir(startpath, &namelist, NULL, alphasort);
-	if (n < 0) return FS_NOTFOUND;
 	char filepath[1024];
 	struct stat fsstat;
 	filestatus_t retval = FS_NOTFOUND;
@@ -402,18 +408,14 @@ filestatus_t filesearch(char *filename, const char *startpath, const UINT8 *want
 	}
 	// Only recurse if file not found and depth available
 	if (retval != FS_FOUND && maxsearchdepth > 0) {
+		int n = scandir(startpath, &namelist, scandir_filter, alphasort);
 		for (int i = 0; i < n && retval != FS_FOUND; i++) {
-			if (namelist[i]->d_type == DT_DIR && 
-				strcmp(namelist[i]->d_name, ".") != 0 && 
-				strcmp(namelist[i]->d_name, "..") != 0) {
-					
-				snprintf(filepath, sizeof(filepath), "%s/%s", startpath, namelist[i]->d_name);
-				retval = filesearch(filename, filepath, wantedmd5sum, completepath, maxsearchdepth - 1);
-			}
+			snprintf(filepath, sizeof(filepath), "%s/%s", startpath, namelist[i]->d_name);
+			retval = filesearch(filename, filepath, wantedmd5sum, completepath, maxsearchdepth - 1);
 			free(namelist[i]);
 		}
+		free(namelist);
 	}
-	free(namelist);
 	return retval;
 }
 #else