path-util: take char* const* for strv where appropriate

src/basic/path-util.c

@@ -217,8 +217,10 @@ int path_make_relative_parent(const char *from_child, const char *to, char **ret
         return path_make_relative(from, to, ret);
 }
 
-char* path_startswith_strv(const char *p, char **set) {
-        STRV_FOREACH(s, set) {
+char* path_startswith_strv(const char *p, char * const *strv) {
+        assert(p);
+
+        STRV_FOREACH(s, strv) {
                 char *t;
 
                 t = path_startswith(p, *s);
@@ -1368,7 +1370,9 @@ bool empty_or_root(const char *path) {
         return path_equal(path, "/");
 }
 
-bool path_strv_contains(char **l, const char *path) {
+bool path_strv_contains(char * const *l, const char *path) {
+        assert(path);
+
         STRV_FOREACH(i, l)
                 if (path_equal(*i, path))
                         return true;
@@ -1376,7 +1380,9 @@ bool path_strv_contains(char **l, const char *path) {
         return false;
 }
 
-bool prefixed_path_strv_contains(char **l, const char *path) {
+bool prefixed_path_strv_contains(char * const *l, const char *path) {
+        assert(path);
+
         STRV_FOREACH(i, l) {
                 const char *j = *i;
 
@@ -1384,6 +1390,7 @@ bool prefixed_path_strv_contains(char **l, const char *path) {
                         j++;
                 if (*j == '+')
                         j++;
+
                 if (path_equal(j, path))
                         return true;
         }