1 /* get-errno.c - get and set errno. 2 3 Copyright (C) 2002, 2006, 2009-2012 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 <http://www.gnu.org/licenses/>. */ 17 18 /* Written by Paul Eggert. */ 19 20 #include <config.h> 21 22 #include "get-errno.h" 23 24 #include <errno.h> 25 26 /* Get and set errno. A source file that needs to set or get errno, 27 but doesn't need to test for specific errno values, can use these 28 functions to avoid namespace pollution. For example, a file that 29 defines EQUAL should not include <errno.h>, since <errno.h> might 30 define EQUAL; such a file can include <get-errno.h> instead. */ 31 32 int 33 get_errno (void) 34 { 35 return errno; 36 } 37 38 void 39 set_errno (int e) 40 { 41 errno = e; 42 } 43
