From f8b0329393561cd85cbdb27f32822cdb66b9be23 Mon Sep 17 00:00:00 2001
From: hpa <hpa>
Date: Tue, 3 Feb 1998 17:46:02 +0000
Subject: [PATCH] Changing Linux installer to be a C program.

---
 Makefile       | 22 +++++++++++++++-------
 bin2c.pl       | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 syslinux.pl.in | 30 ------------------------------
 3 files changed, 65 insertions(+), 37 deletions(-)
 create mode 100644 bin2c.pl
 delete mode 100644 syslinux.pl.in

diff --git a/Makefile b/Makefile
index 7dc8e0f..9eb9d91 100644
--- a/Makefile
+++ b/Makefile
@@ -16,6 +16,12 @@
 #
 
 NASM	= nasm
+CC	= gcc
+CFLAGS	= -Wall -O2 -fomit-frame-pointer
+LDFLAGS	= -O2 -s
+
+.c.o:
+	$(CC) $(CFLAGS) -c $<
 
 all:	bootsect.bin ldlinux.sys syslinux.com syslinux
 
@@ -34,15 +40,17 @@ syslinux.com: syslinux.asm bootsect.bin ldlinux.sys
 	$(NASM) -f bin -l syslinux.lst -o syslinux.com syslinux.asm
 	ls -l syslinux.com
 
-syslinux: syslinux.pl.in bootsect.bin ldlinux.sys
-	@if [ ! -x `which perl` ]; then \
-		echo 'ERROR: cannot find perl'; exit 1 ; fi
-	echo '#!' `which perl` > syslinux
-	cat syslinux.pl.in bootsect.bin ldlinux.sys >> syslinux
-	chmod a+x syslinux
+bootsect_bin.c: bootsect.bin bin2c.pl
+	perl bin2c.pl bootsect < bootsect.bin > bootsect_bin.c
+
+ldlinux_bin.c: ldlinux.sys bin2c.pl
+	perl bin2c.pl ldlinux < ldlinux.sys > ldlinux_bin.c
+
+syslinux: syslinux.o bootsect_bin.o ldlinux_bin.o
+	$(CC) $(LDFLAGS) -o syslinux syslinux.o bootsect_bin.o ldlinux_bin.o
 
 clean:
-	rm -f *.bin *.lst *.sys
+	rm -f *.bin *.lst *.sys *_bin.c syslinux syslinux.com
 
 distclean: clean
 	rm -f *~ \#*
diff --git a/bin2c.pl b/bin2c.pl
new file mode 100644
index 0000000..2a9c0f8
--- /dev/null
+++ b/bin2c.pl
@@ -0,0 +1,50 @@
+#!/usr/bin/perl
+# $Id$
+# -----------------------------------------------------------------------
+#   
+#   Copyright 1998 H. Peter Anvin - All Rights Reserved
+#
+#   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, Inc., 675 Mass Ave, Cambridge MA 02139,
+#   USA; either version 2 of the License, or (at your option) any later
+#   version; incorporated herein by reference.
+#
+# -----------------------------------------------------------------------
+#
+# bin2c.pl: binary file to C source converter
+#
+
+if ( $#ARGV != 0 ) {
+    print STDERR "Usage: $0 table_name < input_file > output_file\n";
+    exit 1;
+}
+
+($table_name) = @ARGV;
+
+printf "const unsigned char %s[] = {\n", $table_name;
+
+$pos = 0;
+$linelen = 8;
+
+$total_len = 0;
+
+while ( ($n = read(STDIN, $data, 4096)) > 0 ) {
+    $total_len += $n;
+    for ( $i = 0 ; $i < $n ; $i++ ) {
+	$byte = substr($data, $i, 1);
+	if ( $pos >= $linelen ) {
+	    print ",\n\t";
+	    $pos = 0;
+	} elsif ( $pos > 0 ) {
+	    print ", ";
+	} else {
+	    print "\t";
+	}
+	printf("0x%02x", unpack("C", $byte));
+	$pos++;
+    }
+}
+
+printf "\n};\n\nconst unsigned int %s_len = %u;\n", $table_name, $total_len;
+
diff --git a/syslinux.pl.in b/syslinux.pl.in
deleted file mode 100644
index cf326fa..0000000
--- a/syslinux.pl.in
+++ /dev/null
@@ -1,30 +0,0 @@
-# Hey, Emacs, this is -*- perl -*-
-# $Id$
-## -----------------------------------------------------------------------
-##   
-##   Copyright 1998 H. Peter Anvin - All Rights Reserved
-##
-##   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, Inc., 675 Mass Ave, Cambridge MA 02139,
-##   USA; either version 2 of the License, or (at your option) any later
-##   version; incorporated herein by reference.
-##
-## -----------------------------------------------------------------------
-#
-# SYSLINUX install script for use in a Linux environment
-#
-
-#
-# 1. Find out a location where we can mount the device
-#
-
-if ( getuid() == 0 ) {
-    $tmp = 0;
-    while ( -e "/tmp/mnt.$$.$tmp" ) { $tmp++; }
-    $mntdir = "/tmp/mnt.$$.$tmp";
-    mkdir($mntdir, 0700);
-} else {
-    # Search fstab for device
-}
-
-- 
2.7.4