Fix invalid pointer arithmetic.

[nmh] / sbr / context_del.c

diff --git a/sbr/context_del.c b/sbr/context_del.c
index 59e3be702111b610d07aed06762193d9016c53da..592af0cad34e0d0e17593283274fc2007eb7ba16 100644 (file)
--- a/sbr/context_del.c
+++ b/sbr/context_del.c
@@ -18,8 +18,9 @@ context_del (char *key)
 {
     struct node *np, *pp;
 
+    key = FENDNULL(key);
     for (np = m_defs, pp = NULL; np; pp = np, np = np->n_next) {
-       if (!strcasecmp (FENDNULL(np->n_name), FENDNULL(key))) {
+       if (!strcasecmp(FENDNULL(np->n_name), key)) {
            if (!np->n_context)
                inform("bug: context_del(key=\"%s\"), continuing...", np->n_name);
            if (pp)