| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1992-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include <unistd.h> |
| 19 | #include <include/sys/stat.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <string.h> |
| 22 | |
| 23 | /* Return a malloc'd string containing the current directory name. |
| 24 | If the environment variable `PWD' is set, and its value is correct, |
| 25 | that value is used. */ |
| 26 | |
| 27 | char * |
| 28 | get_current_dir_name (void) |
| 29 | { |
| 30 | char *pwd; |
| 31 | struct stat64 dotstat, pwdstat; |
| 32 | |
| 33 | pwd = getenv ("PWD"); |
| 34 | if (pwd != NULL |
| 35 | && stat64 (".", &dotstat) == 0 |
| 36 | && stat64 (pwd, &pwdstat) == 0 |
| 37 | && pwdstat.st_dev == dotstat.st_dev |
| 38 | && pwdstat.st_ino == dotstat.st_ino) |
| 39 | /* The PWD value is correct. Use it. */ |
| 40 | return __strdup (pwd); |
| 41 | |
| 42 | return __getcwd ((char *) NULL, 0); |
| 43 | } |