/* gun.c -- simple gunzip to give an example of the use of inflateBack()
- * Copyright (C) 2003, 2005, 2008, 2010 Mark Adler
+ * Copyright (C) 2003, 2005, 2008, 2010, 2012 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
- Version 1.6 17 January 2010 Mark Adler */
+ Version 1.7 12 August 2012 Mark Adler */
/* Version history:
1.0 16 Feb 2003 First version for testing of inflateBack()
1.4 8 Dec 2006 LZW decompression speed improvements
1.5 9 Feb 2008 Avoid warning in latest version of gcc
1.6 17 Jan 2010 Avoid signed/unsigned comparison warnings
+ 1.7 12 Aug 2012 Update for z_const usage in zlib 1.2.8
*/
/*
end-of-file, they cannot be concantenated. If a Unix compress stream is
encountered in an input file, it is the last stream in that file.
- Like gunzip and uncompress, the file attributes of the orignal compressed
+ Like gunzip and uncompress, the file attributes of the original compressed
file are maintained in the final uncompressed file, to the extent that the
user permissions allow it.
/* Load input buffer, assumed to be empty, and return bytes loaded and a
pointer to them. read() is called until the buffer is full, or until it
returns end-of-file or error. Return 0 on error. */
-local unsigned in(void *in_desc, unsigned char **buf)
+local unsigned in(void *in_desc, z_const unsigned char **buf)
{
int ret;
unsigned len;
file, read error, or write error (a write error indicated by strm->next_in
not equal to Z_NULL), or Z_DATA_ERROR for invalid input.
*/
-local int lunpipe(unsigned have, unsigned char *next, struct ind *indp,
+local int lunpipe(unsigned have, z_const unsigned char *next, struct ind *indp,
int outfile, z_stream *strm)
{
int last; /* last byte read by NEXT(), or -1 if EOF */
{
int ret, first, last;
unsigned have, flags, len;
- unsigned char *next = NULL;
+ z_const unsigned char *next = NULL;
struct ind ind, *indp;
struct outd outd;