1 files changed, 91 insertions, 0 deletions
diff --git a/malloc/tst-mcheck.c b/malloc/tst-mcheck.c
new file mode 100644
index 0000000000..16784912a9
--- /dev/null
+++ b/malloc/tst-mcheck.c
@@ -0,0 +1,91 @@
+/* Copyright (C) 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2005.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static int errors = 0;
+
+static void
+merror (const char *msg)
+{
+  ++errors;
+  printf ("Error: %s\n", msg);
+}
+
+int
+main (void)
+{
+  void *p, *q;
+
+  errno = 0;
+
+  p = malloc (-1);
+
+  if (p != NULL)
+    merror ("malloc (-1) succeeded.");
+  else if (errno != ENOMEM)
+    merror ("errno is not set correctly.");
+
+  p = malloc (10);
+  if (p == NULL)
+    merror ("malloc (10) failed.");
+
+  p = realloc (p, 0);
+  if (p != NULL)
+    merror ("realloc (p, 0) failed.");
+
+  p = malloc (0);
+  if (p == NULL)
+    merror ("malloc (0) failed.");
+
+  p = realloc (p, 0);
+  if (p != NULL)
+    merror ("realloc (p, 0) failed.");
+
+  q = malloc (256);
+  if (q == NULL)
+    merror ("malloc (256) failed.");
+
+  p = malloc (512);
+  if (p == NULL)
+    merror ("malloc (512) failed.");
+
+  if (realloc (p, -256) != NULL)
+    merror ("realloc (p, -256) succeeded.");
+  else if (errno != ENOMEM)
+    merror ("errno is not set correctly.");
+
+  free (p);
+
+  p = malloc (512);
+  if (p == NULL)
+    merror ("malloc (512) failed.");
+
+  if (realloc (p, -1) != NULL)
+    merror ("realloc (p, -1) succeeded.");
+  else if (errno != ENOMEM)
+    merror ("errno is not set correctly.");
+
+  free (p);
+  free (q);
+
+  return errors != 0;
+}