2 files changed, 5 insertions, 5 deletions
diff --git a/util.c b/util.c
index 96840e5..5d2925e 100644
--- a/util.c
+++ b/util.c
@@ -250,11 +250,11 @@ char * basename_no_extension(char *path)
 	return barename;
 }
 
-char *path_extension(char *path)
+char *path_extension(char const *path)
 {
-	char *lastdot = NULL;
-	char *lastslash = NULL;
-	char *cur;
+	char const *lastdot = NULL;
+	char const *lastslash = NULL;
+	char const *cur;
 	for (cur = path; *cur; cur++)
 	{
 		if (*cur == '.') {
diff --git a/util.h b/util.h
index 516aba3..01c360b 100644
--- a/util.h
+++ b/util.h
@@ -41,7 +41,7 @@ char is_absolute_path(char *path);
 //Returns the basename of a path with th extension (if any) stripped
 char * basename_no_extension(char *path);
 //Returns the extension from a path or NULL if there is no extension
-char *path_extension(char *path);
+char *path_extension(char const *path);
 //Returns true if the given path matches one of the extensions in the list
 uint8_t path_matches_extensions(char *path, char **ext_list, uint32_t num_exts);
 //Returns the directory portion of a path or NULL if there is no directory part