mes/scaffold/tests/94-unsetenv.c
Jan Nieuwenhuizen f60cac6e1d
mescc: Support gcc-3.4.0: unsetenv.
* lib/gcc.c (unsetenv): New function.
2018-06-06 19:43:32 +02:00

42 lines
1.1 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of Mes.
*
* Mes is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* Mes is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libmes.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int
main ()
{
eputs ("setenv\n");
setenv ("FOO", "BAR", 1);
if (strcmp (getenv ("FOO"), "BAR"))
return 1;
eputs ("unsetenv\n");
unsetenv ("FOO");
if (getenv ("FOO"))
return 2;
return 0;
}