mes/lib/posix/execvp.c

54 lines
1.4 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU Mes 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 3 of the License, or (at
* your option) any later version.
*
* GNU Mes 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include <mes/lib.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
int
execvp (char const *file_name, char *const argv[])
{
if (!strchr (file_name, '/'))
file_name = search_path (file_name);
if (!file_name)
{
errno = ENOENT;
return -1;
}
if (__mes_debug ())
{
eputs (" EXEC: ");
eputs (file_name);
eputs ("\n");
int i = 0;
while (argv[i])
{
eputs (" arg[");
eputs (itoa (i));
eputs ("]: ");
eputs (argv[i]);
eputs ("\n");
i++;
}
}
return execve (file_name, argv, environ);
}