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-rw-r--r--malloc/Makefile2
-rw-r--r--malloc/tst-malloc.c68
2 files changed, 69 insertions, 1 deletions
diff --git a/malloc/Makefile b/malloc/Makefile
index 9fd4e2c9f0..4cd76cf680 100644
--- a/malloc/Makefile
+++ b/malloc/Makefile
@@ -25,7 +25,7 @@ all:
dist-headers := malloc.h
headers := $(dist-headers) obstack.h mcheck.h
-tests := mallocbug
+tests := mallocbug tst-malloc
distribute = thread-m.h mtrace.pl mcheck-init.c stackinfo.h
diff --git a/malloc/tst-malloc.c b/malloc/tst-malloc.c
new file mode 100644
index 0000000000..68e25766c8
--- /dev/null
+++ b/malloc/tst-malloc.c
@@ -0,0 +1,68 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <malloc.h>
+#include <stdio.h>
+
+static int errors = 0;
+
+static void
+merror (const char *msg)
+{
+ ++errors;
+ printf ("Error: %s\n", msg);
+}
+
+int
+main (void)
+{
+ void *p;
+ int save;
+
+ errno = 0;
+
+ p = malloc (-1);
+ save = errno;
+
+ if (p != NULL)
+ merror ("malloc (-1) succeeded.");
+
+ if (p == NULL && save != ENOMEM)
+ merror ("errno is not set correctly");
+
+ p = malloc (10);
+ if (p == NULL)
+ merror ("malloc (10) failed.");
+
+ /* realloc (p, 0) == free (p). */
+ 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.");
+
+ return errors != 0;
+}