You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.4 KiB
46 lines
1.4 KiB
From 9c45d2395863b793528518d64ddb97d8fdc200dd Mon Sep 17 00:00:00 2001
|
|
From: Even Rouault <even.rouault@spatialys.com>
|
|
Date: Tue, 11 Jul 2017 08:55:07 +0000
|
|
Subject: [PATCH] * libtiff/tif_lzw.c: fix 4.0.8 regression in the decoding of
|
|
old-style LZW compressed files.
|
|
|
|
---
|
|
ChangeLog | 5 +++++
|
|
libtiff/tif_lzw.c | 4 ++++
|
|
2 files changed, 9 insertions(+)
|
|
|
|
diff --git a/ChangeLog b/ChangeLog
|
|
index b0c84977..c5c74af7 100644
|
|
--- a/ChangeLog
|
|
+++ b/ChangeLog
|
|
@@ -1,3 +1,8 @@
|
|
+2017-07-11 Even Rouault <even.rouault at spatialys.com>
|
|
+
|
|
+ * libtiff/tif_lzw.c: fix 4.0.8 regression in the decoding of old-style LZW
|
|
+ compressed files.
|
|
+
|
|
2017-06-30 Even Rouault <even.rouault at spatialys.com>
|
|
|
|
* libtiff/tif_dirwrite.c: in TIFFWriteDirectoryTagCheckedXXXX()
|
|
diff --git a/libtiff/tif_lzw.c b/libtiff/tif_lzw.c
|
|
index a2d01c90..f62b9e58 100644
|
|
--- a/libtiff/tif_lzw.c
|
|
+++ b/libtiff/tif_lzw.c
|
|
@@ -655,6 +655,9 @@ LZWDecodeCompat(TIFF* tif, uint8* op0, tmsize_t occ0, uint16 s)
|
|
}
|
|
|
|
bp = (unsigned char *)tif->tif_rawcp;
|
|
+#ifdef LZW_CHECKEOS
|
|
+ sp->dec_bitsleft = (((uint64)tif->tif_rawcc) << 3);
|
|
+#endif
|
|
nbits = sp->lzw_nbits;
|
|
nextdata = sp->lzw_nextdata;
|
|
nextbits = sp->lzw_nextbits;
|
|
@@ -764,6 +767,7 @@ LZWDecodeCompat(TIFF* tif, uint8* op0, tmsize_t occ0, uint16 s)
|
|
}
|
|
}
|
|
|
|
+ tif->tif_rawcc -= (tmsize_t)( (uint8*) bp - tif->tif_rawcp );
|
|
tif->tif_rawcp = (uint8*) bp;
|
|
sp->lzw_nbits = (unsigned short)nbits;
|
|
sp->lzw_nextdata = nextdata;
|