1 /* get-errno.c - get and set errno. 2 3 Copyright (C) 2002, 2006 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 2, or (at your option) 8 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, write to the Free Software Foundation, 17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 18 19 /* Written by Paul Eggert. */ 20 21 #ifdef HAVE_CONFIG_H 22 # include <config.h> 23 #endif 24 25 #include <errno.h> 26 27 #include "get-errno.h" 28 29 /* Get and set errno. A source file that needs to set or get errno, 30 but doesn't need to test for specific errno values, can use these 31 functions to avoid namespace pollution. For example, a file that 32 defines EQUAL should not include <errno.h>, since <errno.h> might 33 define EQUAL; such a file can include <get-errno.h> instead. */ 34 35 int 36 get_errno (void) 37 { 38 return errno; 39 } 40 41 void 42 set_errno (int e) 43 { 44 errno = e; 45 } 46
