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103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
/* Test for memory leak with large width and precision.
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Copyright (C) 1991-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <mcheck.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/resource.h>
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#include <wchar.h>
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static int
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do_test (void)
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{
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mtrace ();
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int ret;
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{
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char *result;
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ret = asprintf (&result, "%133000.133001x", 17);
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if (ret < 0)
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{
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printf ("error: asprintf: %m\n");
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return 1;
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}
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free (result);
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}
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{
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wchar_t *result = calloc (ret + 1, sizeof (wchar_t));
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if (result == NULL)
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{
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printf ("error: calloc (%d, %zu): %m", ret + 1, sizeof (wchar_t));
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return 1;
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}
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ret = swprintf (result, ret + 1, L"%133000.133001x", 17);
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if (ret < 0)
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{
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printf ("error: swprintf: %d (%m)\n", ret);
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return 1;
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}
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free (result);
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}
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/* Limit the size of the process, so that the second allocation will
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fail. */
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{
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struct rlimit limit;
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if (getrlimit (RLIMIT_AS, &limit) != 0)
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{
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printf ("getrlimit (RLIMIT_AS) failed: %m\n");
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return 1;
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}
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long target = 200 * 1024 * 1024;
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if (limit.rlim_cur == RLIM_INFINITY || limit.rlim_cur > target)
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{
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limit.rlim_cur = target;
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if (setrlimit (RLIMIT_AS, &limit) != 0)
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{
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printf ("setrlimit (RLIMIT_AS) failed: %m\n");
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return 1;
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}
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}
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}
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{
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char *result;
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ret = asprintf (&result, "%133000.999999999x", 17);
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if (ret >= 0)
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{
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printf ("error: asprintf: incorrect result %d\n", ret);
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return 1;
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}
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}
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{
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wchar_t result[100];
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ret = swprintf (result, 100, L"%133000.999999999x", 17);
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if (ret >= 0)
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{
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printf ("error: swprintf: incorrect result %d\n", ret);
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return 1;
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}
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}
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return 0;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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