aboutsummaryrefslogtreecommitdiff
path: root/zlib/contrib/blast
diff options
context:
space:
mode:
Diffstat (limited to 'zlib/contrib/blast')
-rw-r--r--zlib/contrib/blast/blast.c8
-rw-r--r--zlib/contrib/blast/blast.h8
2 files changed, 11 insertions, 5 deletions
diff --git a/zlib/contrib/blast/blast.c b/zlib/contrib/blast/blast.c
index 4ce697a41..69ef0fe00 100644
--- a/zlib/contrib/blast/blast.c
+++ b/zlib/contrib/blast/blast.c
@@ -1,7 +1,7 @@
/* blast.c
- * Copyright (C) 2003 Mark Adler
+ * Copyright (C) 2003, 2012 Mark Adler
* For conditions of distribution and use, see copyright notice in blast.h
- * version 1.1, 16 Feb 2003
+ * version 1.2, 24 Oct 2012
*
* blast.c decompresses data compressed by the PKWare Compression Library.
* This function provides functionality similar to the explode() function of
@@ -22,6 +22,8 @@
*
* 1.0 12 Feb 2003 - First version
* 1.1 16 Feb 2003 - Fixed distance check for > 4 GB uncompressed data
+ * 1.2 24 Oct 2012 - Add note about using binary mode in stdio
+ * - Fix comparisons of differently signed integers
*/
#include <setjmp.h> /* for setjmp(), longjmp(), and jmp_buf */
@@ -279,7 +281,7 @@ local int decomp(struct state *s)
int dict; /* log2(dictionary size) - 6 */
int symbol; /* decoded symbol, extra bits for distance */
int len; /* length for copy */
- int dist; /* distance for copy */
+ unsigned dist; /* distance for copy */
int copy; /* copy counter */
unsigned char *from, *to; /* copy pointers */
static int virgin = 1; /* build tables once */
diff --git a/zlib/contrib/blast/blast.h b/zlib/contrib/blast/blast.h
index ce9e5410f..658cfd320 100644
--- a/zlib/contrib/blast/blast.h
+++ b/zlib/contrib/blast/blast.h
@@ -1,6 +1,6 @@
/* blast.h -- interface for blast.c
- Copyright (C) 2003 Mark Adler
- version 1.1, 16 Feb 2003
+ Copyright (C) 2003, 2012 Mark Adler
+ version 1.2, 24 Oct 2012
This software is provided 'as-is', without any express or implied
warranty. In no event will the author be held liable for any damages
@@ -28,6 +28,10 @@
* that library. (Note: PKWare overused the "implode" verb, and the format
* used by their library implode() function is completely different and
* incompatible with the implode compression method supported by PKZIP.)
+ *
+ * The binary mode for stdio functions should be used to assure that the
+ * compressed data is not corrupted when read or written. For example:
+ * fopen(..., "rb") and fopen(..., "wb").
*/