| /* Copyright (C) 2013-2018 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 <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> |