From 23793d768096427e9e2658689373efcfa0c2dc54 Mon Sep 17 00:00:00 2001 From: "Richard W.M. Jones" Date: Sun, 7 Aug 2011 21:05:13 +0100 Subject: fish: Add setenv and unsetenv commands. These commands allow you to manipulate the environment within guestfish. --- fish/setenv.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 fish/setenv.c (limited to 'fish/setenv.c') diff --git a/fish/setenv.c b/fish/setenv.c new file mode 100644 index 00000000..c9a00136 --- /dev/null +++ b/fish/setenv.c @@ -0,0 +1,69 @@ +/* guestfish - the filesystem interactive shell + * Copyright (C) 2011 Red Hat Inc. + * + * This program 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 program 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, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include + +#include +#include +#include + +#include "fish.h" + +int +run_setenv (const char *cmd, size_t argc, char *argv[]) +{ + const char *var; + const char *value; + + if (argc != 2) { + fprintf (stderr, _("use '%s VAR value' to set an environment variable\n"), + cmd); + return -1; + } + + var = argv[0]; + value = argv[1]; + + if (setenv (var, value, 1) == -1) { + perror ("setenv"); + return -1; + } + + return 0; +} + +int +run_unsetenv (const char *cmd, size_t argc, char *argv[]) +{ + const char *var; + + if (argc != 1) { + fprintf (stderr, _("use '%s VAR' to unset an environment variable\n"), + cmd); + return -1; + } + + var = argv[0]; + + if (unsetenv (var) == -1) { + perror ("unsetenv"); + return -1; + } + + return 0; +} -- cgit