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authorUlrich Drepper <drepper@redhat.com>2002-08-07 23:06:11 +0000
committerUlrich Drepper <drepper@redhat.com>2002-08-07 23:06:11 +0000
commita2e62fb1bd2a785ec3b4233fde786e2ebd1f42db (patch)
treec5d4e7605849f655ba716aadc3b082205834940c /malloc
parent534feaab4b1ab715764bc25f652ccaff28ac0571 (diff)
downloadglibc-a2e62fb1bd2a785ec3b4233fde786e2ebd1f42db.tar.gz
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Add tests for one or both parameters being zero.
Diffstat (limited to 'malloc')
-rw-r--r--malloc/tst-calloc.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/malloc/tst-calloc.c b/malloc/tst-calloc.c
index 94a7bb5798..b3594c937f 100644
--- a/malloc/tst-calloc.c
+++ b/malloc/tst-calloc.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2002 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>.
 
@@ -19,6 +19,7 @@
 
 #include <errno.h>
 #include <error.h>
+#include <limits.h>
 #include <malloc.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -91,6 +92,19 @@ random_test (void)
 }
 
 
+static void
+null_test (void)
+{
+  /* If the size is 0 the result is implementation defined.  Just make
+     sure the program doesn't crash.  */
+  calloc (0, 0);
+  calloc (0, UINT_MAX);
+  calloc (UINT_MAX, 0);
+  calloc (0, ~((size_t) 0));
+  calloc (~((size_t) 0), 0);
+}
+
+
 int
 main (void)
 {
@@ -106,5 +120,7 @@ main (void)
 
   random_test ();
 
+  null_test ();
+
   return 0;
 }