Update.
[glibc.git] / malloc / tst-malloc.c
blobd555ae46ef15b8fba05907846fc57de7400bd23d
1 /* Copyright (C) 1999 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1999.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <errno.h>
21 #include <malloc.h>
22 #include <stdio.h>
24 static int errors = 0;
26 static void
27 merror (const char *msg)
29 ++errors;
30 printf ("Error: %s\n", msg);
33 int
34 main (void)
36 void *p;
37 int save;
39 errno = 0;
41 p = malloc (-1);
42 save = errno;
44 if (p != NULL)
45 merror ("malloc (-1) succeeded.");
47 if (p == NULL && save != ENOMEM)
48 merror ("errno is not set correctly");
50 p = malloc (10);
51 if (p == NULL)
52 merror ("malloc (10) failed.");
54 /* realloc (p, 0) == free (p). */
55 p = realloc (p, 0);
56 if (p != NULL)
57 merror ("realloc (p, 0) failed.");
59 p = malloc (0);
60 if (p == NULL)
61 merror ("malloc (0) failed.");
63 p = realloc (p, 0);
64 if (p != NULL)
65 merror ("realloc (p, 0) failed.");
67 return errors != 0;