Handle invalid buffer pointers when count is zero.
[glibc/history.git] / nptl / tst-key1.c
blobdfbe58417a63bbca83d486f680d2fb16b4922c87
1 /* Copyright (C) 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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 <limits.h>
21 #include <pthread.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <unistd.h>
27 int
28 do_test (void)
30 int max;
31 #ifdef PTHREAD_KEYS_MAX
32 max = PTHREAD_KEYS_MAX;
33 #else
34 max = _POSIX_THREAD_KEYS_MAX;
35 #endif
36 pthread_key_t *keys = alloca (max * sizeof (pthread_key_t));
38 int i;
39 for (i = 0; i < max; ++i)
40 if (pthread_key_create (&keys[i], NULL) != 0)
42 write (2, "key_create failed\n", 18);
43 _exit (1);
45 else
47 printf ("created key %d\n", i);
49 if (pthread_setspecific (keys[i], (const void *) (i + 100l)) != 0)
51 write (2, "setspecific failed\n", 19);
52 _exit (1);
56 for (i = 0; i < max; ++i)
58 if (pthread_getspecific (keys[i]) != (void *) (i + 100l))
60 write (2, "getspecific failed\n", 19);
61 _exit (1);
64 if (pthread_key_delete (keys[i]) != 0)
66 write (2, "key_delete failed\n", 18);
67 _exit (1);
71 /* Now it must be once again possible to allocate keys. */
72 if (pthread_key_create (&keys[0], NULL) != 0)
74 write (2, "2nd key_create failed\n", 22);
75 _exit (1);
78 if (pthread_key_delete (keys[0]) != 0)
80 write (2, "2nd key_delete failed\n", 22);
81 _exit (1);
84 return 0;
88 #define TEST_FUNCTION do_test ()
89 #include "../test-skeleton.c"