From 6c8747b19a6eaef778e79a05c03e738677e987b5 Mon Sep 17 00:00:00 2001 From: Richard Stallman Date: Fri, 5 Nov 1993 20:32:06 +0000 Subject: [PATCH] (compare_strings): Check for null pointers. From-SVN: r6014 --- gcc/objc/hash.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/gcc/objc/hash.h b/gcc/objc/hash.h index e054e7d03aa..2b9ea249a7e 100644 --- a/gcc/objc/hash.h +++ b/gcc/objc/hash.h @@ -193,7 +193,12 @@ compare_ptrs (const void *k1, const void *k2) static inline int compare_strings (const void *k1, const void *k2) { - return !strcmp (k1, k2); + if (k1 == k2) + return 1; + else if (k1 == 0 || k2 == 0) + return 0; + else + return !strcmp (k1, k2); } -- 2.30.2