From 0470289b6e93be7a65b1b3b2a2cc829bd20e08c8 Mon Sep 17 00:00:00 2001 From: Zbigniew Jędrzejewski-Szmek Date: Sun, 30 Oct 2016 10:21:29 -0400 Subject: tests: clarify test_path_startswith return value (#4508) A pendant for #4481. --- src/basic/path-util.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'src/basic') diff --git a/src/basic/path-util.c b/src/basic/path-util.c index 0f5b20cf05..fd38f51c4c 100644 --- a/src/basic/path-util.c +++ b/src/basic/path-util.c @@ -354,6 +354,16 @@ char* path_startswith(const char *path, const char *prefix) { assert(path); assert(prefix); + /* Returns a pointer to the start of the first component after the parts matched by + * the prefix, iff + * - both paths are absolute or both paths are relative, + * and + * - each component in prefix in turn matches a component in path at the same position. + * An empty string will be returned when the prefix and path are equivalent. + * + * Returns NULL otherwise. + */ + if ((path[0] == '/') != (prefix[0] == '/')) return NULL; -- cgit v1.2.3-54-g00ecf