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/* RVS outer.c - A wrapper for $(bindir) to call the main RVS program
* Copyright (C) 2015 Luke Shumaker
*
* This file is part of rvs.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h> /* for errno */
#include <error.h> /* for error(3) */
#include <libintl.h> /* for dgettext(3) */
#include <locale.h> /* for bindtextdomain(3) and textdomain(3) */
#include <stdio.h> /* for asprintf(3) */
#include <stdlib.h> /* for getenv(3), calloc(3) */
#include <string.h> /* for mempcy(3) */
#include <unistd.h> /* for execv(3) */
#include "config.h"
#define _ gettext
#define EXIT_FAILURE_OOM 126
#define EXIT_FAILURE_EXEC 127
int
main(int argc, char *argv[]) {
bindtextdomain(pkgtextdomain, localedir);
textdomain(pkgtextdomain);
unsetenv("ENV");
unsetenv("BASH_ENV");
const char *varname = PACKAGE_UPPER "_EXEC_PATH";
char *exec_path = getenv(varname);
if (!exec_path)
exec_path = pkglibexecdir;
char *exec_file = NULL;
if (asprintf(&exec_file, "%s/" PACKAGE, exec_path) < 0)
error(EXIT_FAILURE_OOM, errno,
_("Could not allocate memory for string"));
char **args = calloc(argc+2, sizeof(char*));
if (!args)
error(EXIT_FAILURE_OOM, errno,
_("Could not allocate cleared memory"));
args[0] = exec_file;
memcpy(&args[1], argv, sizeof(char*) * argc);
execv(exec_file, args);
error(EXIT_FAILURE_EXEC, errno, _("Could not execute: %s"), exec_file);
return EXIT_FAILURE_EXEC;
}
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