| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/coreutils/src/gnulib/lib/xreadlink.c |
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| 1 | /* xreadlink.c -- readlink wrapper to return the link name in malloc'd storage | - | ||||||||||||
| 2 | - | |||||||||||||
| 3 | Copyright (C) 2001, 2003-2007, 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 Jim Meyering <jim@meyering.net> | - | ||||||||||||
| 19 | and Bruno Haible <bruno@clisp.org>. */ | - | ||||||||||||
| 20 | - | |||||||||||||
| 21 | #include <config.h> | - | ||||||||||||
| 22 | - | |||||||||||||
| 23 | /* Specification. */ | - | ||||||||||||
| 24 | #include "xreadlink.h" | - | ||||||||||||
| 25 | - | |||||||||||||
| 26 | #include <errno.h> | - | ||||||||||||
| 27 | - | |||||||||||||
| 28 | #include "areadlink.h" | - | ||||||||||||
| 29 | #include "xalloc.h" | - | ||||||||||||
| 30 | - | |||||||||||||
| 31 | /* Call readlink to get the symbolic link value of FILENAME. | - | ||||||||||||
| 32 | Return a pointer to that NUL-terminated string in malloc'd storage. | - | ||||||||||||
| 33 | If readlink fails, return NULL and set errno. | - | ||||||||||||
| 34 | If realloc fails, or if the link value is longer than SIZE_MAX :-), | - | ||||||||||||
| 35 | give a diagnostic and exit. */ | - | ||||||||||||
| 36 | - | |||||||||||||
| 37 | char * | - | ||||||||||||
| 38 | xreadlink (char const *filename) | - | ||||||||||||
| 39 | { | - | ||||||||||||
| 40 | char *result = areadlink (filename); | - | ||||||||||||
| 41 | if (result == NULL && errno == ENOMEM)
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| 42 | xalloc_die (); never executed: xalloc_die (); | 0 | ||||||||||||
| 43 | return result; executed 2 times by 1 test: return result;Executed by:
| 2 | ||||||||||||
| 44 | } | - | ||||||||||||
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