| /* |
| * libcompat - system compatibility library |
| * |
| * Copyright © 1995 Ian Jackson <ian@chiark.greenend.org.uk> |
| * |
| * This 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 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This 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 this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <config.h> |
| |
| #include <string.h> |
| #include <stdlib.h> |
| |
| #ifndef HAVE_UNSETENV |
| int |
| unsetenv(const char *p) |
| { |
| char *q; |
| |
| q = malloc(strlen(p) + 3); |
| if (!q) |
| return -1; |
| |
| strcpy(q, p); |
| strcat(q, "="); |
| return putenv(q); |
| } |
| #endif |
