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/* Copyright (C) 2013-2020 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
<https://www.gnu.org/licenses/>. */
#include <elf.h>
#include <errno.h>
#include <link.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <misc/sys/auxv.h>
static int
do_test (int argc, char *argv[])
{
errno = 0;
const char *execfn = (const char *) getauxval (AT_NULL);
if (errno != ENOENT)
{
printf ("errno is %d rather than %d (ENOENT) on failure\n", errno,
ENOENT);
return 1;
}
if (execfn != NULL)
{
printf ("getauxval return value is nonzero on failure\n");
return 1;
}
errno = 0;
execfn = (const char *) getauxval (AT_EXECFN);
if (execfn == NULL)
{
printf ("No AT_EXECFN found, AT_EXECFN test skipped\n");
return 0;
}
if (errno != 0)
{
printf ("errno erroneously set to %d on success\n", errno);
return 1;
}
if (strcmp (argv[0], execfn) != 0)
{
printf ("Mismatch: argv[0]: %s vs. AT_EXECFN: %s\n", argv[0], execfn);
return 1;
}
return 0;
}
#define TEST_FUNCTION_ARGV do_test
#include <support/test-driver.c>
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