autogen

在x86平台上运行不可信任代码的sandbox。

#!/bin/sh

# Most of the library files come in virtually unchanged.
# Rather than maintain the few changes by hand, we keep a set
# of ed scripts that we can run on the originals to produce 
# the versions we need.
#
# Note that the headers are in ../a

autofiles="
/sys/src/libsec/port/aes.c
/sys/src/libsec/port/des.c
/sys/src/libsec/port/des3CBC.c
/sys/src/libsec/port/desmodes.c
/sys/src/libsec/port/hmac.c
/sys/src/libsec/port/md4.c
/sys/src/libsec/port/md5.c
/sys/src/libsec/port/md5block.c
/sys/src/libsec/port/rc4.c
/sys/src/libsec/port/sha1.c
/sys/src/libsec/port/sha1block.c
"

case "$#" in
0)
	;;
*)
	autofiles="$*"
esac

plan9=/home/rsc/plan9/4e

for f in $autofiles
do
	ed=`echo $f | sed 's;.*/;;; s;\.[ch]$;;; s;$;.ed;'`
	out=`echo $f | sed 's;.*/;;;'`
	echo $f '->' $out
	test -f $out && chmod +w $out
	(
		echo ',s;"../port/;";g'
		echo ',s;#include.*<;#include ";g'
		echo ',s;#include.*>;&FIXINCLUDEME;g'
		echo ',s;>FIXINCLUDEME;";g'
		echo ',s;"libc.h";"lib.h";g'
		echo 'g/#pragma/d'
		test -f $ed && cat $ed
		echo w $out
		echo q
	) | ed $plan9/$f 2>&1 | egrep -v '^[0-9?]+$'
	chmod -w $out
done