From 55b87f732ed1000a9a31d4ca485ef72f56f5a32c Mon Sep 17 00:00:00 2001
From: Christos Zoulas <christos@zoulas.com>
Date: Sun, 5 Jan 2014 15:55:21 +0000
Subject: [PATCH] Add lz4 support (Ville Skytta)

---
 magic/Magdir/compress | 8 +++++++-
 src/compress.c        | 3 ++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/magic/Magdir/compress b/magic/Magdir/compress
index 23267145..1abe5e0a 100644
--- a/magic/Magdir/compress
+++ b/magic/Magdir/compress
@@ -1,5 +1,5 @@
 #------------------------------------------------------------------------------
-# $File: compress,v 1.51 2013/11/19 20:38:57 christos Exp $
+# $File: compress,v 1.52 2013/12/11 17:55:00 christos Exp $
 # compress:  file(1) magic for pure-compression formats (no archives)
 #
 # compress, gzip, pack, compact, huf, squeeze, crunch, freeze, yabba, etc.
@@ -209,6 +209,12 @@
 >5	byte		x			\b.%d
 !:mime	application/x-lrzip
 
+# http://fastcompression.blogspot.fi/2013/04/lz4-streaming-format-final.html
+0	lelong		0x184d2204	LZ4 compressed data
+!:mime	application/x-lz4
+0	lelong		0x184c2102	LZ4 compressed data, legacy format
+!:mime	application/x-lz4
+
 # AFX compressed files (Wolfram Kleff)
 2	string		-afx-		AFX compressed file data
 
diff --git a/src/compress.c b/src/compress.c
index 675e9f67..1567f742 100644
--- a/src/compress.c
+++ b/src/compress.c
@@ -35,7 +35,7 @@
 #include "file.h"
 
 #ifndef lint
-FILE_RCSID("@(#)$File: compress.c,v 1.71 2013/07/21 21:06:41 rrt Exp $")
+FILE_RCSID("@(#)$File: compress.c,v 1.72 2013/11/18 17:54:58 christos Exp $")
 #endif
 
 #include "magic.h"
@@ -80,6 +80,7 @@ private const struct {
 	{ "LZIP",     4, { "lzip", "-cdq", NULL }, 1 },
  	{ "\3757zXZ\0",6,{ "xz", "-cd", NULL }, 1 },		/* XZ Utils */
  	{ "LRZI",     4, { "lrzip", "-dqo-", NULL }, 1 },	/* LRZIP */
+ 	{ "\004\"M\030", 4, { "lz4", "-cd", NULL }, 1 },	/* LZ4 */
 };
 
 #define NODATA ((size_t)~0)
-- 
2.40.0