document parent_path()

git-svn-id: https://svn.musicpd.org/mpd/trunk@7128 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 10 insertions, 0 deletions

diff --git a/src/path.c b/src/path.c
index 8c7b61cd..a99f8bd2 100644
--- a/src/path.c
+++ b/src/path.c
@@ -225,13 +225,23 @@ void pathcpy_trunc(char *dest, const char *src)
 char *parent_path(char *path_max_tmp, const char *path)
 {
 	char *c;
+	static const int handle_trailing_slashes = 0;
 
 	pathcpy_trunc(path_max_tmp, path);
+
+	if (handle_trailing_slashes) {
+		size_t last_char = strlen(path_max_tmp) - 1;
+
+		while (last_char > 0 && path_max_tmp[last_char] == '/')
+			path_max_tmp[last_char--] = '\0';
+	}
+
 	c = strrchr(path_max_tmp,'/');
 
 	if (c == NULL)
 		path_max_tmp[0] = '\0';
 	else {
+		/* strip redundant slashes: */
 		while ((path_max_tmp <= c) && *(--c) == '/')	/* nothing */
 			;
 		c[1] = '\0';