execvp.c (1471B)
1 /* -*-comment-start: "//";comment-end:""-*- 2 * GNU Mes --- Maxwell Equations of Software 3 * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> 4 * 5 * This file is part of GNU Mes. 6 * 7 * GNU Mes is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 3 of the License, or (at 10 * your option) any later version. 11 * 12 * GNU Mes is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with GNU Mes. If not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #include <mes/lib.h> 22 #include <errno.h> 23 #include <string.h> 24 #include <unistd.h> 25 26 int 27 execvp (char const *file_name, char *const argv[]) 28 { 29 if (!strchr (file_name, '/')) 30 file_name = search_path (file_name); 31 if (!file_name) 32 { 33 errno = ENOENT; 34 return -1; 35 } 36 if (__mes_debug ()) 37 { 38 eputs (" EXEC: "); 39 eputs (file_name); 40 eputs ("\n"); 41 int i = 0; 42 while (argv[i]) 43 { 44 eputs (" arg["); 45 eputs (itoa (i)); 46 eputs ("]: "); 47 eputs (argv[i]); 48 eputs ("\n"); 49 i++; 50 } 51 } 52 return execve (file_name, argv, environ); 53 }