| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/coreutils/src/gnulib/lib/write-any-file.c |
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| 1 | /* Determine whether we can write any file. | - | ||||||
| 2 | - | |||||||
| 3 | Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc. | - | ||||||
| 4 | - | |||||||
| 5 | This program is free software: you can redistribute it and/or modify | - | ||||||
| 6 | it under the terms of the GNU General Public License as published by | - | ||||||
| 7 | the Free Software Foundation; either version 3 of the License, or | - | ||||||
| 8 | (at your option) any later version. | - | ||||||
| 9 | - | |||||||
| 10 | This program is distributed in the hope that it will be useful, | - | ||||||
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | - | ||||||
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | - | ||||||
| 13 | GNU General Public License for more details. | - | ||||||
| 14 | - | |||||||
| 15 | You should have received a copy of the GNU General Public License | - | ||||||
| 16 | along with this program. If not, see <https://www.gnu.org/licenses/>. */ | - | ||||||
| 17 | - | |||||||
| 18 | /* Written by Paul Eggert. */ | - | ||||||
| 19 | - | |||||||
| 20 | #include <config.h> | - | ||||||
| 21 | - | |||||||
| 22 | #include "write-any-file.h" | - | ||||||
| 23 | #include "priv-set.h" | - | ||||||
| 24 | #include "root-uid.h" | - | ||||||
| 25 | - | |||||||
| 26 | #include <unistd.h> | - | ||||||
| 27 | - | |||||||
| 28 | /* Return true if we know that we can write any file, including | - | ||||||
| 29 | writing directories. */ | - | ||||||
| 30 | - | |||||||
| 31 | bool | - | ||||||
| 32 | can_write_any_file (void) | - | ||||||
| 33 | { | - | ||||||
| 34 | static bool initialized; | - | ||||||
| 35 | static bool can_write; | - | ||||||
| 36 | - | |||||||
| 37 | if (! initialized)
| 26-130 | ||||||
| 38 | { | - | ||||||
| 39 | bool can = false; | - | ||||||
| 40 | #if defined PRIV_FILE_DAC_WRITE | - | ||||||
| 41 | can = (priv_set_ismember (PRIV_FILE_DAC_WRITE) == 1); | - | ||||||
| 42 | #else | - | ||||||
| 43 | /* In traditional Unix, only root can unlink directories. */ | - | ||||||
| 44 | can = (geteuid () == ROOT_UID); | - | ||||||
| 45 | #endif | - | ||||||
| 46 | can_write = can; | - | ||||||
| 47 | initialized = true; | - | ||||||
| 48 | } executed 26 times by 3 tests: end of blockExecuted by:
| 26 | ||||||
| 49 | - | |||||||
| 50 | return can_write; executed 156 times by 3 tests: return can_write;Executed by:
| 156 | ||||||
| 51 | } | - | ||||||
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