00001 // Copyright 2006 Benedikt Böhm <hollow@gentoo.org> 00002 // 00003 // This program is free software; you can redistribute it and/or modify 00004 // it under the terms of the GNU General Public License as published by 00005 // the Free Software Foundation; either version 2 of the License, or 00006 // (at your option) any later version. 00007 // 00008 // This program is distributed in the hope that it will be useful, 00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00011 // GNU General Public License for more details. 00012 // 00013 // You should have received a copy of the GNU General Public License 00014 // along with this program; if not, write to the 00015 // Free Software Foundation, Inc., 00016 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 00018 #include <unistd.h> 00019 #include <stdlib.h> 00020 #include <stdarg.h> 00021 #include <errno.h> 00022 00023 #include "argv.h" 00024 #include "exec.h" 00025 #include "printf.h" 00026 00027 int exec_replace(const char *fmt, ...) 00028 { 00029 va_list ap; 00030 va_start(ap, fmt); 00031 00032 char *cmd; 00033 _lucid_vasprintf(&cmd, fmt, ap); 00034 00035 va_end(ap); 00036 00037 int argc; 00038 char *argv[EXEC_MAX_ARGV]; 00039 00040 argc = argv_from_str(cmd, argv, EXEC_MAX_ARGV); 00041 00042 if (argc < 1) { 00043 free(cmd); 00044 return errno = EINVAL, -1; 00045 } 00046 00047 execvp(argv[0], argv); 00048 00049 /* never get here */ 00050 free(cmd); 00051 return -1; 00052 }