prevent crash if function is called with NULL argument

7 years ago · c50dfa2be8
1 changed files with 2 additions and 0 deletions
--- a/src/misc/string.c
+++ b/src/misc/string.c
@ -319,6 +319,8 @@ gettok(char **s)
 char *
 nexttok(const char *s)
 {
+    if (!s)
+        return NULL;
    int paren = 0;

    s = skip_ws(s);