commit c1b97d3440698a3260ec39b180283c1eca4e1e6d
author yann.collet.73@gmail.com <yann.collet.73@gmail.com@650e7d94-2a16-8b24-b05c-7c0b3f6821cd> Wed Aug 22 15:59:39 2012 +0000
committer Mohamad Ayyash <mkayyash@google.com> Mon Feb 23 17:23:23 2015 -0800
tree a94eca5963ae55f9104c93edbed1f7df439af565
parent f287a5d33463b7a07e01d3dc5187c64430c5a2e6

Correction : LZ4_compress_limitedOutput() write too far error

git-svn-id: https://lz4.googlecode.com/svn/trunk@77 650e7d94-2a16-8b24-b05c-7c0b3f6821cd

lz4.c

diff --git a/lz4.c b/lz4.c
index 8bb7a45..eeefa67 100644
--- a/lz4.c
+++ b/lz4.c
@@ -449,6 +449,7 @@
 

 		// Encode MatchLength

 		len = (int)(ip - anchor);

+		if unlikely(op + (1 + LASTLITERALS) + (len>>8) >= oend) return 0; 		// Check output limit

 		if (len>=(int)ML_MASK) { *token+=ML_MASK; len-=ML_MASK; for(; len > 509 ; len-=510) { *op++ = 255; *op++ = 255; } if (len > 254) { len-=255; *op++ = 255; } *op++ = (BYTE)len; }

 		else *token += len;

 

@@ -613,6 +614,7 @@
 

 		// Encode MatchLength

 		len = (int)(ip - anchor);

+		if unlikely(op + (1 + LASTLITERALS) + (len>>8) >= oend) return 0; 		// Check output limit

 		if (len>=(int)ML_MASK) { *token+=ML_MASK; len-=ML_MASK; for(; len > 509 ; len-=510) { *op++ = 255; *op++ = 255; } if (len > 254) { len-=255; *op++ = 255; } *op++ = (BYTE)len; }

 		else *token += len;