| /* Test for memory leak with large width and precision. |
| Copyright (C) 1991-2018 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 <mcheck.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <sys/resource.h> |
| #include <wchar.h> |
| |
| static int |
| do_test (void) |
| { |
| mtrace (); |
| |
| int ret; |
| { |
| char *result; |
| ret = asprintf (&result, "%133000.133001x", 17); |
| if (ret < 0) |
| { |
| printf ("error: asprintf: %m\n"); |
| return 1; |
| } |
| free (result); |
| } |
| { |
| wchar_t *result = calloc (ret + 1, sizeof (wchar_t)); |
| if (result == NULL) |
| { |
| printf ("error: calloc (%d, %zu): %m", ret + 1, sizeof (wchar_t)); |
| return 1; |
| } |
| |
| ret = swprintf (result, ret + 1, L"%133000.133001x", 17); |
| if (ret < 0) |
| { |
| printf ("error: swprintf: %d (%m)\n", ret); |
| return 1; |
| } |
| free (result); |
| } |
| |
| /* Limit the size of the process, so that the second allocation will |
| fail. */ |
| { |
| struct rlimit limit; |
| if (getrlimit (RLIMIT_AS, &limit) != 0) |
| { |
| printf ("getrlimit (RLIMIT_AS) failed: %m\n"); |
| return 1; |
| } |
| long target = 200 * 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; |
| } |
| } |
| } |
| |
| { |
| char *result; |
| ret = asprintf (&result, "%133000.999999999x", 17); |
| if (ret >= 0) |
| { |
| printf ("error: asprintf: incorrect result %d\n", ret); |
| return 1; |
| } |
| } |
| { |
| wchar_t result[100]; |
| if (result == NULL) |
| { |
| printf ("error: calloc (%d, %zu): %m", ret + 1, sizeof (wchar_t)); |
| return 1; |
| } |
| |
| ret = swprintf (result, 100, L"%133000.999999999x", 17); |
| if (ret >= 0) |
| { |
| printf ("error: swprintf: incorrect result %d\n", ret); |
| return 1; |
| } |
| } |
| |
| return 0; |
| } |
| |
| #define TEST_FUNCTION do_test () |
| #include "../test-skeleton.c" |