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113 lines
3.1 KiB
C
113 lines
3.1 KiB
C
/* Test of POSIX compatible printf() function.
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Copyright (C) 2007, 2009-2017 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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#include <config.h>
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#include <stdio.h>
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#if HAVE_GETRLIMIT && HAVE_SETRLIMIT
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <string.h>
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#include <errno.h>
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int
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main (int argc, char *argv[])
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{
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struct rlimit limit;
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int arg;
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int ret;
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/* Some printf implementations allocate temporary space with malloc. */
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/* On BSD systems, malloc() is limited by RLIMIT_DATA. */
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#ifdef RLIMIT_DATA
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if (getrlimit (RLIMIT_DATA, &limit) < 0)
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return 77;
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if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 5000000)
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limit.rlim_max = 5000000;
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limit.rlim_cur = limit.rlim_max;
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if (setrlimit (RLIMIT_DATA, &limit) < 0)
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return 77;
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#endif
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/* On Linux systems, malloc() is limited by RLIMIT_AS. */
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#ifdef RLIMIT_AS
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if (getrlimit (RLIMIT_AS, &limit) < 0)
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return 77;
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if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 5000000)
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limit.rlim_max = 5000000;
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limit.rlim_cur = limit.rlim_max;
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if (setrlimit (RLIMIT_AS, &limit) < 0)
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return 77;
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#endif
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/* Some printf implementations allocate temporary space on the stack. */
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#ifdef RLIMIT_STACK
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if (getrlimit (RLIMIT_STACK, &limit) < 0)
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return 77;
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if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 5000000)
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limit.rlim_max = 5000000;
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limit.rlim_cur = limit.rlim_max;
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if (setrlimit (RLIMIT_STACK, &limit) < 0)
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return 77;
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#endif
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arg = atoi (argv[1]);
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switch (arg)
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{
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case 0:
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{
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void *memory = malloc (5000000);
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if (memory == NULL)
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return 1;
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memset (memory, 17, 5000000);
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return 78;
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}
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case 1:
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ret = printf ("%.5000000f", 1.0);
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return !(ret == 5000002 || (ret < 0 && errno == ENOMEM));
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case 2:
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ret = printf ("%.5000000f", -1.0);
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return !(ret == 5000003 || (ret < 0 && errno == ENOMEM));
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case 3:
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ret = printf ("%.5000000e", 1.0);
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return !(ret >= 5000006 || (ret < 0 && errno == ENOMEM));
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case 4:
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ret = printf ("%.5000000d", 1);
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return !(ret == 5000000 || (ret < 0 && errno == ENOMEM));
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case 5:
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ret = printf ("%.5000000d", -1);
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return !(ret == 5000001 || (ret < 0 && errno == ENOMEM));
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case 6:
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ret = printf ("%.5000000u", 1);
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return !(ret == 5000000 || (ret < 0 && errno == ENOMEM));
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}
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return 0;
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}
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#else
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int
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main (int argc, char *argv[])
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{
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return 77;
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}
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#endif
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