1 /* vsystem.cpp
2  * Copyright (C) 2021  Sven Jähnichen
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
16  */
17 
18 #include "vsystem.hpp"
19 #include <unistd.h>
20 #include <cstdio>
21 
22 namespace BUtilities
23 {
24 
vexec(char * argv[])25 [[noreturn]] static void vexec (char* argv[])
26 {
27         execvp (argv[0], argv);
28         perror ("execvp");
29         _exit (1);
30 }
31 
vsystem(char * argv[])32 int vsystem (char* argv[])
33 {
34         pid_t pid = vfork();
35         if (pid != 0) return pid;
36         vexec (argv);
37         return 0;
38 }
39 
40 }
41