X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-memmem.c;h=7f0f9257a3ee863ae472d43828178b3562793520;hb=b015db270e6b2937105daf6f4f632cda339c95e2;hp=c074a4e52b32e5310baad9ca8c65da2e1e9072ea;hpb=e220635fc952c63b533873f2af39ec76aed4b4e3;p=gnulib.git

diff --git a/tests/test-memmem.c b/tests/test-memmem.c
index c074a4e52..7f0f9257a 100644
--- a/tests/test-memmem.c
+++ b/tests/test-memmem.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007, 2008 Free Software Foundation
+ * Copyright (C) 2004, 2007-2009 Free Software Foundation
  * Written by Bruno Haible and Eric Blake
  *
  * This program is free software: you can redistribute it and/or modify
@@ -19,10 +19,13 @@
 
 #include <string.h>
 
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 
+#include "zerosize-ptr.h"
+
 #define ASSERT(expr) \
   do									     \
     {									     \
@@ -43,6 +46,7 @@ main (int argc, char *argv[])
      caused by SIGALRM.  All known platforms that lack alarm also lack
      memmem, and the replacement memmem is known to not take too
      long.  */
+  signal (SIGALRM, SIG_DFL);
   alarm (100);
 #endif
 
@@ -76,9 +80,9 @@ main (int argc, char *argv[])
     ASSERT (result == input + 11);
   }
 
-  /* Check that length 0 does not dereference NULL.  */
+  /* Check that length 0 does not dereference the pointer.  */
   {
-    const char *result = memmem (NULL, 0, "foo", 3);
+    const char *result = memmem (zerosize_ptr (), 0, "foo", 3);
     ASSERT (result == NULL);
   }