Merge branch 'pc/dir-count-slashes'

Three instances of the same helper function have been consolidated
to one.

* pc/dir-count-slashes:
  dir: create function count_slashes()

dir.c

@@ -52,6 +52,15 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir,
 static int get_dtype(struct dirent *de, struct index_state *istate,
 		     const char *path, int len);
 
+int count_slashes(const char *s)
+{
+	int cnt = 0;
+	while (*s)
+		if (*s++ == '/')
+			cnt++;
+	return cnt;
+}
+
 int fspathcmp(const char *a, const char *b)
 {
 	return ignore_case ? strcasecmp(a, b) : strcmp(a, b);