| 1 | /* Copyright (C) 1992-2024 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 | <https://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_t64 dotstat, pwdstat; |
|---|
| 32 | |
|---|
| 33 | pwd = getenv ("PWD" ); |
|---|
| 34 | if (pwd != NULL |
|---|
| 35 | && __stat64_time64 ("." , &dotstat) == 0 |
|---|
| 36 | && __stat64_time64 (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 | } |
|---|
| 44 | |
|---|
