shell.c
1.12 KB
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999 Free Software Foundation, Inc.
This program 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 2, or (at your option)
any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "mail.h"
/*
* sh[ell]
*/
int
mail_shell (int argc, char **argv)
{
if (argc > 1)
return 1;
else if (fork ())
{
char *path = getenv ("SHELL");
if (path == NULL)
path = strdup ("sh");
execl (path, path);
free (path);
return 1;
}
else
{
wait(NULL);
return 0;
}
return 1;
}