# HG changeset patch
# User Pascal Bellard <pascal.bellard@slitaz.org>
# Date 1300535000 -3600
# Node ID 885c330a75ba3c03f1da3c0a6bf4270b1a2555a6
# Parent  2a24191222416b7ea3416b1a8bee3f65fdf19810
lzma, xz: add lzma --size

diff -r 2a2419122241 -r 885c330a75ba lzma/stuff/lzma
--- a/lzma/stuff/lzma	Sat Mar 19 11:26:36 2011 +0100
+++ b/lzma/stuff/lzma	Sat Mar 19 12:43:20 2011 +0100
@@ -2,6 +2,17 @@
 
 case "$1" in
 d|e|b) exec /usr/bin/lzma-alone $@;;
+--size) size=$(dd if=$2 bs=1 skip=5 count=8 2> /dev/null | od -t d8 | awk '{ print $2; exit }') 
+	if [ $size -eq -1 ]; then
+		size=$(unlzma -c $2 | wc -c)
+		n=$size
+		for i in $(seq 1 8); do
+			printf '\\\\x%02X' $(($n & 255))
+			n=$(($n >> 8))
+		done | xargs echo -en | dd of=$2 conv=notrunc bs=1 seek=5 2> /dev/null
+	fi
+	echo $size
+	exit ;;
 --version|-V|--help|-h|-\?) exec /usr/bin/lzma-alone;;
 esac
 
diff -r 2a2419122241 -r 885c330a75ba xz/stuff/lzma
--- a/xz/stuff/lzma	Sat Mar 19 11:26:36 2011 +0100
+++ b/xz/stuff/lzma	Sat Mar 19 12:43:20 2011 +0100
@@ -84,9 +84,19 @@
 esac
 
 # First look if help is needed.
-[ "$1" ] || usage
 case "$1" in
-	--version|-V|--help|-h|-\?|'') usage;;
+--version|-V|--help|-h|-\?|'') usage;;
+--size) size=$(dd if=$2 bs=1 skip=5 count=8 2> /dev/null | od -t d8 | awk '{ print $2; exit }') 
+	if [ $size -eq -1 ]; then
+		size=$(unlzma -c $2 | wc -c)
+		n=$size
+		for i in $(seq 1 8); do
+			printf '\\\\x%02X' $(($n & 255))
+			n=$(($n >> 8))
+		done | xargs echo -en | dd of=$2 conv=notrunc bs=1 seek=5 2> /dev/null
+	fi
+	echo $size
+	exit ;;
 esac
 
 # lzma_utils or lzma_alone ?