Allow opening directories non-recursively

Makefile

@@ -1,4 +1,4 @@
-VERSION   := git-20160810
+VERSION   := git-20160928
 
 PREFIX    := /usr/local
 MANPREFIX := $(PREFIX)/share/man

main.c

@@ -818,11 +818,7 @@ int main(int argc, char **argv)
 		if (!S_ISDIR(fstats.st_mode)) {
 			check_add_file(filename, true);
 		} else {
-			if (!options->recursive) {
-				error(0, 0, "%s: Is a directory", filename);
-				continue;
-			}
-			if (r_opendir(&dir, filename) < 0) {
+			if (r_opendir(&dir, filename, options->recursive) < 0) {
 				error(0, errno, "%s", filename);
 				continue;
 			}

thumbs.c

@@ -123,7 +123,7 @@ void tns_clean_cache(tns_t *tns)
 	char *cfile, *filename, *tpos;
 	r_dir_t dir;
 
-	if (r_opendir(&dir, cache_dir) < 0) {
+	if (r_opendir(&dir, cache_dir, true) < 0) {
 		error(0, errno, "%s", cache_dir);
 		return;
 	}

util.c

@@ -89,7 +89,7 @@ void size_readable(float *size, const char **unit)
 	*unit = units[MIN(i, ARRLEN(units) - 1)];
 }
 
-int r_opendir(r_dir_t *rdir, const char *dirname)
+int r_opendir(r_dir_t *rdir, const char *dirname, bool recursive)
 {
 	if (*dirname == '\0')
 		return -1;
@@ -106,6 +106,7 @@ int r_opendir(r_dir_t *rdir, const char *dirname)
 
 	rdir->name = (char*) dirname;
 	rdir->d = 0;
+	rdir->recursive = recursive;
 
 	return 0;
 }
@@ -167,7 +168,7 @@ char* r_readdir(r_dir_t *rdir)
 			return filename;
 		}
 		
-		if (rdir->stlen > 0) {
+		if (rdir->recursive && rdir->stlen > 0) {
 			/* open next subdirectory */
 			closedir(rdir->dir);
 			if (rdir->d != 0)

util.h

@@ -55,6 +55,7 @@ typedef struct {
 	DIR *dir;
 	char *name;
 	int d;
+	bool recursive;
 
 	char **stack;
 	int stcap;
@@ -71,7 +72,7 @@ void error(int, int, const char*, ...);
 
 void size_readable(float*, const char**);
 
-int r_opendir(r_dir_t*, const char*);
+int r_opendir(r_dir_t*, const char*, bool);
 int r_closedir(r_dir_t*);
 char* r_readdir(r_dir_t*);
 int r_mkdir(char*);