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71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/* Copyright (C) 2013-2024 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 <elf.h>
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#include <errno.h>
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#include <link.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <misc/sys/auxv.h>
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static int
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do_test (int argc, char *argv[])
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{
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errno = 0;
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const char *execfn = (const char *) getauxval (AT_NULL);
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if (errno != ENOENT)
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{
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printf ("errno is %d rather than %d (ENOENT) on failure\n", errno,
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ENOENT);
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return 1;
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}
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if (execfn != NULL)
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{
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printf ("getauxval return value is nonzero on failure\n");
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return 1;
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}
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errno = 0;
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execfn = (const char *) getauxval (AT_EXECFN);
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if (execfn == NULL)
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{
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printf ("No AT_EXECFN found, AT_EXECFN test skipped\n");
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return 0;
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}
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if (errno != 0)
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{
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printf ("errno erroneously set to %d on success\n", errno);
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return 1;
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}
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if (strcmp (argv[0], execfn) != 0)
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{
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printf ("Mismatch: argv[0]: %s vs. AT_EXECFN: %s\n", argv[0], execfn);
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return 1;
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}
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return 0;
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}
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#define TEST_FUNCTION_ARGV do_test
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#include <support/test-driver.c>
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