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/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 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 <stdarg.h>
#include <unistd.h>
int
vexec (char const *file_name, va_list ap)
{
char *arg = va_arg (ap, char *);
char *argv[1000]; // POSIX minimum 4096
int i = 0;
argv[i++] = (char *) file_name;
while (arg)
{
argv[i++] = arg;
arg = va_arg (ap, char *);
if (__mes_debug () > 2)
{
eputs ("arg[");
eputs (itoa (i));
eputs ("]: ");
eputs (argv[i - 1]);
eputs ("\n");
}
}
argv[i] = 0;
int r = execv (file_name, argv);
va_end (ap);
return r;
}
int
execl (char const *file_name, char const *arg, ...)
{
va_list ap;
int r;
va_start (ap, arg);
if (__mes_debug () > 2)
{
eputs ("execl ");
eputs (file_name);
eputs ("\n");
}
r = vexec (file_name, ap);
va_end (ap);
return r;
}
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