gpxe: delete long since obsolete snapshot of gPXE

gPXE has been deprecated in favor of iPXE for many, many years now.
It is much better than users get it directly from the iPXE project,
since we should no longer need any special modifications for Syslinux
use.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 0 insertions, 251 deletions

diff --git a/gpxe/src/core/exec.c b/gpxe/src/core/exec.c
deleted file mode 100644
index 6c16aa44..00000000
--- a/gpxe/src/core/exec.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * 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 of the
- * License, or 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.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-#include <stdint.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <unistd.h>
-#include <getopt.h>
-#include <errno.h>
-#include <assert.h>
-#include <gpxe/tables.h>
-#include <gpxe/command.h>
-#include <gpxe/settings.h>
-
-/** @file
- *
- * Command execution
- *
- */
-
-/* Avoid dragging in getopt.o unless a command really uses it */
-int optind;
-int nextchar;
-
-/**
- * Execute command
- *
- * @v command		Command name
- * @v argv		Argument list
- * @ret rc		Command exit status
- *
- * Execute the named command.  Unlike a traditional POSIX execv(),
- * this function returns the exit status of the command.
- */
-int execv ( const char *command, char * const argv[] ) {
-	struct command *cmd;
-	int argc;
-
-	/* Count number of arguments */
-	for ( argc = 0 ; argv[argc] ; argc++ ) {}
-
-	/* Sanity checks */
-	if ( ! command ) {
-		DBG ( "No command\n" );
-		return -EINVAL;
-	}
-	if ( ! argc ) {
-		DBG ( "%s: empty argument list\n", command );
-		return -EINVAL;
-	}
-
-	/* Reset getopt() library ready for use by the command.  This
-	 * is an artefact of the POSIX getopt() API within the context
-	 * of Etherboot; see the documentation for reset_getopt() for
-	 * details.
-	 */
-	reset_getopt();
-
-	/* Hand off to command implementation */
-	for_each_table_entry ( cmd, COMMANDS ) {
-		if ( strcmp ( command, cmd->name ) == 0 )
-			return cmd->exec ( argc, ( char ** ) argv );
-	}
-
-	printf ( "%s: command not found\n", command );
-	return -ENOEXEC;
-}
-
-/**
- * Expand variables within command line
- *
- * @v command		Command line
- * @ret expcmd		Expanded command line
- *
- * The expanded command line is allocated with malloc() and the caller
- * must eventually free() it.
- */
-static char * expand_command ( const char *command ) {
-	char *expcmd;
-	char *start;
-	char *end;
-	char *head;
-	char *name;
-	char *tail;
-	int setting_len;
-	int new_len;
-	char *tmp;
-
-	/* Obtain temporary modifiable copy of command line */
-	expcmd = strdup ( command );
-	if ( ! expcmd )
-		return NULL;
-
-	/* Expand while expansions remain */
-	while ( 1 ) {
-
-		head = expcmd;
-
-		/* Locate opener */
-		start = strstr ( expcmd, "${" );
-		if ( ! start )
-			break;
-		*start = '\0';
-		name = ( start + 2 );
-
-		/* Locate closer */
-		end = strstr ( name, "}" );
-		if ( ! end )
-			break;
-		*end = '\0';
-		tail = ( end + 1 );
-
-		/* Determine setting length */
-		setting_len = fetchf_named_setting ( name, NULL, 0 );
-		if ( setting_len < 0 )
-			setting_len = 0; /* Treat error as empty setting */
-
-		/* Read setting into temporary buffer */
-		{
-			char setting_buf[ setting_len + 1 ];
-
-			setting_buf[0] = '\0';
-			fetchf_named_setting ( name, setting_buf,
-					       sizeof ( setting_buf ) );
-
-			/* Construct expanded string and discard old string */
-			tmp = expcmd;
-			new_len = asprintf ( &expcmd, "%s%s%s",
-					     head, setting_buf, tail );
-			free ( tmp );
-			if ( new_len < 0 )
-				return NULL;
-		}
-	}
-
-	return expcmd;
-}
-
-/**
- * Split command line into argv array
- *
- * @v args		Command line
- * @v argv		Argument array to populate, or NULL
- * @ret argc		Argument count
- *
- * Splits the command line into whitespace-delimited arguments.  If @c
- * argv is non-NULL, any whitespace in the command line will be
- * replaced with NULs.
- */
-static int split_args ( char *args, char * argv[] ) {
-	int argc = 0;
-
-	while ( 1 ) {
-		/* Skip over any whitespace / convert to NUL */
-		while ( isspace ( *args ) ) {
-			if ( argv )
-				*args = '\0';
-			args++;
-		}
-		/* Check for end of line */
-		if ( ! *args )
-			break;
-		/* We have found the start of the next argument */
-		if ( argv )
-			argv[argc] = args;
-		argc++;
-		/* Skip to start of next whitespace, if any */
-		while ( *args && ! isspace ( *args ) ) {
-			args++;
-		}
-	}
-	return argc;
-}
-
-/**
- * Execute command line
- *
- * @v command		Command line
- * @ret rc		Command exit status
- *
- * Execute the named command and arguments.
- */
-int system ( const char *command ) {
-	char *args;
-	int argc;
-	int rc = 0;
-
-	/* Perform variable expansion */
-	args = expand_command ( command );
-	if ( ! args )
-		return -ENOMEM;
-
-	/* Count arguments */
-	argc = split_args ( args, NULL );
-
-	/* Create argv array and execute command */
-	if ( argc ) {
-		char * argv[argc + 1];
-		
-		split_args ( args, argv );
-		argv[argc] = NULL;
-
-		if ( argv[0][0] != '#' )
-			rc = execv ( argv[0], argv );
-	}
-
-	free ( args );
-	return rc;
-}
-
-/**
- * The "echo" command
- *
- * @v argc		Argument count
- * @v argv		Argument list
- * @ret rc		Exit code
- */
-static int echo_exec ( int argc, char **argv ) {
-	int i;
-
-	for ( i = 1 ; i < argc ; i++ ) {
-		printf ( "%s%s", ( ( i == 1 ) ? "" : " " ), argv[i] );
-	}
-	printf ( "\n" );
-	return 0;
-}
-
-/** "echo" command */
-struct command echo_command __command = {
-	.name = "echo",
-	.exec = echo_exec,
-};