diff options
Diffstat (limited to 'misc/bug18240.c')
-rw-r--r-- | misc/bug18240.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/misc/bug18240.c b/misc/bug18240.c deleted file mode 100644 index 41d80a0375..0000000000 --- a/misc/bug18240.c +++ /dev/null @@ -1,97 +0,0 @@ -/* Test integer wraparound in hcreate. - Copyright (C) 2016-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <limits.h> -#include <search.h> -#include <stdbool.h> -#include <stdio.h> -#include <stdlib.h> -#include <sys/resource.h> - -static void -test_size (size_t size) -{ - int res = hcreate (size); - if (res == 0) - { - if (errno == ENOMEM) - return; - printf ("error: hcreate (%zu): %m\n", size); - exit (1); - } - char *keys[100]; - for (int i = 0; i < 100; ++i) - { - if (asprintf (keys + i, "%d", i) < 0) - { - printf ("error: asprintf: %m\n"); - exit (1); - } - ENTRY e = { keys[i], (char *) "value" }; - if (hsearch (e, ENTER) == NULL) - { - printf ("error: hsearch (\"%s\"): %m\n", keys[i]); - exit (1); - } - } - hdestroy (); - - for (int i = 0; i < 100; ++i) - free (keys[i]); -} - -static int -do_test (void) -{ - /* Limit the size of the process, so that memory allocation will - fail without impacting the entire system. */ - { - struct rlimit limit; - if (getrlimit (RLIMIT_AS, &limit) != 0) - { - printf ("getrlimit (RLIMIT_AS) failed: %m\n"); - return 1; - } - long target = 100 * 1024 * 1024; - if (limit.rlim_cur == RLIM_INFINITY || limit.rlim_cur > target) - { - limit.rlim_cur = target; - if (setrlimit (RLIMIT_AS, &limit) != 0) - { - printf ("setrlimit (RLIMIT_AS) failed: %m\n"); - return 1; - } - } - } - - test_size (500); - test_size (-1); - test_size (-3); - test_size (INT_MAX - 2); - test_size (INT_MAX - 1); - test_size (INT_MAX); - test_size (((unsigned) INT_MAX) + 1); - test_size (UINT_MAX - 2); - test_size (UINT_MAX - 1); - test_size (UINT_MAX); - return 0; -} - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |