1 /* vi: set sw=4 ts=4: */
3 * Copyright 1989 - 1991, Julianne Frances Haugh <jockgrrl@austin.rr.com>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of Julianne F. Haugh nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
41 /* Run SHELL, or DEFAULT_SHELL if SHELL is empty.
42 If COMMAND is nonzero, pass it to the shell with the -c option.
43 If ADDITIONAL_ARGS is nonzero, pass it to the shell as more
46 void run_shell ( const char *shell, int loginshell, const char *command, const char **additional_args )
50 int additional_args_cnt = 0;
52 for ( args = additional_args; args && *args; args++ )
53 additional_args_cnt++;
55 if ( additional_args )
56 args = (const char **) xmalloc (sizeof (char *) * ( 4 + additional_args_cnt ));
58 args = (const char **) xmalloc (sizeof (char *) * 4 );
60 args [0] = get_last_path_component ( xstrdup ( shell ));
63 char *args0 = xmalloc ( xstrlen ( args [0] ) + 2 );
65 strcpy ( args0 + 1, args [0] );
70 args [argno++] = "-c";
71 args [argno++] = command;
73 if ( additional_args ) {
74 for ( ; *additional_args; ++additional_args )
75 args [argno++] = *additional_args;
78 execv ( shell, (char **) args );
79 perror_msg_and_die ( "cannot run %s", shell );