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author | Dimitri van Heesch <dimitri@stack.nl> | 2008-01-16 19:20:21 (GMT) |
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committer | Dimitri van Heesch <dimitri@stack.nl> | 2008-01-16 19:20:21 (GMT) |
commit | fc90c25edfba404f54319eaeeacca39246f95c9e (patch) | |
tree | 78bac4e928b25e139605aceefa82537f378d8af0 /libpng/deflate.h | |
parent | f57b7d974fec18d1d8f325c102efd8be5930131d (diff) | |
download | Doxygen-fc90c25edfba404f54319eaeeacca39246f95c9e.zip Doxygen-fc90c25edfba404f54319eaeeacca39246f95c9e.tar.gz Doxygen-fc90c25edfba404f54319eaeeacca39246f95c9e.tar.bz2 |
Release-1.5.4
Diffstat (limited to 'libpng/deflate.h')
-rw-r--r-- | libpng/deflate.h | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/libpng/deflate.h b/libpng/deflate.h index b99a48a..05a5ab3 100644 --- a/libpng/deflate.h +++ b/libpng/deflate.h @@ -1,6 +1,6 @@ /* deflate.h -- internal compression state - * Copyright (C) 1995-2002 Jean-loup Gailly - * For conditions of distribution and use, see copyright notice in zlib.h + * Copyright (C) 1995-2004 Jean-loup Gailly + * For conditions of distribution and use, see copyright notice in zlib.h */ /* WARNING: this file should *not* be used by applications. It is @@ -10,11 +10,19 @@ /* @(#) $Id$ */ -#ifndef _DEFLATE_H -#define _DEFLATE_H +#ifndef DEFLATE_H +#define DEFLATE_H #include "zutil.h" +/* define NO_GZIP when compiling if you want to disable gzip header and + trailer creation by deflate(). NO_GZIP would be used to avoid linking in + the crc code when it is not needed. For shared libraries, gzip encoding + should be left enabled. */ +#ifndef NO_GZIP +# define GZIP +#endif + /* =========================================================================== * Internal compression state. */ @@ -41,6 +49,10 @@ /* All codes must not exceed MAX_BITS bits */ #define INIT_STATE 42 +#define EXTRA_STATE 69 +#define NAME_STATE 73 +#define COMMENT_STATE 91 +#define HCRC_STATE 103 #define BUSY_STATE 113 #define FINISH_STATE 666 /* Stream status */ @@ -85,9 +97,10 @@ typedef struct internal_state { Bytef *pending_buf; /* output still pending */ ulg pending_buf_size; /* size of pending_buf */ Bytef *pending_out; /* next pending byte to output to the stream */ - int pending; /* nb of bytes in the pending buffer */ - int noheader; /* suppress zlib header and adler32 */ - Byte data_type; /* UNKNOWN, BINARY or ASCII */ + uInt pending; /* nb of bytes in the pending buffer */ + int wrap; /* bit 0 true for zlib, bit 1 true for gzip */ + gz_headerp gzhead; /* gzip header information to write */ + uInt gzindex; /* where in extra, name, or comment */ Byte method; /* STORED (for zip only) or DEFLATED */ int last_flush; /* value of flush param for previous deflate call */ @@ -269,7 +282,7 @@ typedef struct internal_state { void _tr_init OF((deflate_state *s)); int _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc)); void _tr_flush_block OF((deflate_state *s, charf *buf, ulg stored_len, - int eof)); + int eof)); void _tr_align OF((deflate_state *s)); void _tr_stored_block OF((deflate_state *s, charf *buf, ulg stored_len, int eof)); @@ -312,7 +325,7 @@ void _tr_stored_block OF((deflate_state *s, charf *buf, ulg stored_len, #else # define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c) # define _tr_tally_dist(s, distance, length, flush) \ - flush = _tr_tally(s, distance, length) + flush = _tr_tally(s, distance, length) #endif -#endif +#endif /* DEFLATE_H */ |