8406115834
Access to the gpxe.org and etherboot.org domains and associated resources has been revoked by the registrant of the domain. Work around this problem by renaming project from gPXE to iPXE, and updating URLs to match. Also update README, LOG and COPYRIGHTS to remove obsolete information. Signed-off-by: Michael Brown <mcb30@ipxe.org>
103 lines
2.2 KiB
C
103 lines
2.2 KiB
C
/*
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* Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <readline/readline.h>
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#include <ipxe/command.h>
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#include <ipxe/shell.h>
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/** @file
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*
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* Minimal command shell
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*
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*/
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/** The shell prompt string */
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static const char shell_prompt[] = "iPXE> ";
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/** Flag set in order to exit shell */
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static int exit_flag = 0;
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/** "exit" command body */
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static int exit_exec ( int argc, char **argv __unused ) {
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if ( argc == 1 ) {
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exit_flag = 1;
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} else {
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printf ( "Usage: exit\n"
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"Exits the command shell\n" );
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}
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return 0;
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}
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/** "exit" command definition */
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struct command exit_command __command = {
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.name = "exit",
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.exec = exit_exec,
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};
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/** "help" command body */
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static int help_exec ( int argc __unused, char **argv __unused ) {
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struct command *command;
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unsigned int hpos = 0;
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printf ( "\nAvailable commands:\n\n" );
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for_each_table_entry ( command, COMMANDS ) {
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hpos += printf ( " %s", command->name );
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if ( hpos > ( 16 * 4 ) ) {
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printf ( "\n" );
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hpos = 0;
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} else {
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while ( hpos % 16 ) {
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printf ( " " );
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hpos++;
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}
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}
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}
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printf ( "\n\nType \"<command> --help\" for further information\n\n" );
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return 0;
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}
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/** "help" command definition */
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struct command help_command __command = {
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.name = "help",
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.exec = help_exec,
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};
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/**
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* Start command shell
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*
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*/
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void shell ( void ) {
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char *line;
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exit_flag = 0;
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while ( ! exit_flag ) {
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line = readline ( shell_prompt );
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if ( line ) {
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system ( line );
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free ( line );
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}
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}
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}
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