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将zlib库改为1.2.8版本，和png库统一

This commit is contained in:
luoliangyi 2022-06-16 09:37:26 +08:00
parent 504ca85feb
commit 1321a5de96
9 changed files with 180 additions and 329 deletions
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12
build/linux/HGImgFmt/HGImgFmt.cbp
View File

@ -17,6 +17,7 @@
<Add option="-g" /> <Add option="-g" />
<Add directory="../../../third_party/libjpeg/uos/amd64/include" /> <Add directory="../../../third_party/libjpeg/uos/amd64/include" />
<Add directory="../../../third_party/libnsbmp/uos/amd64/include" /> <Add directory="../../../third_party/libnsbmp/uos/amd64/include" />
<Add directory="../../../third_party/zlib/uos/amd64/include" />
<Add directory="../../../third_party/libpng/uos/amd64/include/libpng16" /> <Add directory="../../../third_party/libpng/uos/amd64/include/libpng16" />
<Add directory="../../../third_party/libtiff/uos/amd64/include" /> <Add directory="../../../third_party/libtiff/uos/amd64/include" />
<Add directory="../../../third_party/libzip/uos/amd64/include" /> <Add directory="../../../third_party/libzip/uos/amd64/include" />
@ -46,6 +47,7 @@
<Add option="-O2" /> <Add option="-O2" />
<Add directory="../../../third_party/libjpeg/uos/amd64/include" /> <Add directory="../../../third_party/libjpeg/uos/amd64/include" />
<Add directory="../../../third_party/libnsbmp/uos/amd64/include" /> <Add directory="../../../third_party/libnsbmp/uos/amd64/include" />
<Add directory="../../../third_party/zlib/uos/amd64/include" />
<Add directory="../../../third_party/libpng/uos/amd64/include/libpng16" /> <Add directory="../../../third_party/libpng/uos/amd64/include/libpng16" />
<Add directory="../../../third_party/libtiff/uos/amd64/include" /> <Add directory="../../../third_party/libtiff/uos/amd64/include" />
<Add directory="../../../third_party/libzip/uos/amd64/include" /> <Add directory="../../../third_party/libzip/uos/amd64/include" />
@ -76,6 +78,7 @@
<Add option="-g" /> <Add option="-g" />
<Add directory="../../../third_party/libjpeg/uos/aarch64/include" /> <Add directory="../../../third_party/libjpeg/uos/aarch64/include" />
<Add directory="../../../third_party/libnsbmp/uos/aarch64/include" /> <Add directory="../../../third_party/libnsbmp/uos/aarch64/include" />
<Add directory="../../../third_party/zlib/uos/aarch64/include" />
<Add directory="../../../third_party/libpng/uos/aarch64/include/libpng16" /> <Add directory="../../../third_party/libpng/uos/aarch64/include/libpng16" />
<Add directory="../../../third_party/libtiff/uos/aarch64/include" /> <Add directory="../../../third_party/libtiff/uos/aarch64/include" />
<Add directory="../../../third_party/libzip/uos/aarch64/include" /> <Add directory="../../../third_party/libzip/uos/aarch64/include" />
@ -105,6 +108,7 @@
<Add option="-O2" /> <Add option="-O2" />
<Add directory="../../../third_party/libjpeg/uos/aarch64/include" /> <Add directory="../../../third_party/libjpeg/uos/aarch64/include" />
<Add directory="../../../third_party/libnsbmp/uos/aarch64/include" /> <Add directory="../../../third_party/libnsbmp/uos/aarch64/include" />
<Add directory="../../../third_party/zlib/uos/aarch64/include" />
<Add directory="../../../third_party/libpng/uos/aarch64/include/libpng16" /> <Add directory="../../../third_party/libpng/uos/aarch64/include/libpng16" />
<Add directory="../../../third_party/libtiff/uos/aarch64/include" /> <Add directory="../../../third_party/libtiff/uos/aarch64/include" />
<Add directory="../../../third_party/libzip/uos/aarch64/include" /> <Add directory="../../../third_party/libzip/uos/aarch64/include" />
@ -135,6 +139,7 @@
<Add option="-g" /> <Add option="-g" />
<Add directory="../../../third_party/libjpeg/uos/mips64/include" /> <Add directory="../../../third_party/libjpeg/uos/mips64/include" />
<Add directory="../../../third_party/libnsbmp/uos/mips64/include" /> <Add directory="../../../third_party/libnsbmp/uos/mips64/include" />
<Add directory="../../../third_party/zlib/uos/mips64/include" />
<Add directory="../../../third_party/libpng/uos/mips64/include/libpng16" /> <Add directory="../../../third_party/libpng/uos/mips64/include/libpng16" />
<Add directory="../../../third_party/libtiff/uos/mips64/include" /> <Add directory="../../../third_party/libtiff/uos/mips64/include" />
<Add directory="../../../third_party/libzip/uos/mips64/include" /> <Add directory="../../../third_party/libzip/uos/mips64/include" />
@ -164,6 +169,7 @@
<Add option="-O2" /> <Add option="-O2" />
<Add directory="../../../third_party/libjpeg/uos/mips64/include" /> <Add directory="../../../third_party/libjpeg/uos/mips64/include" />
<Add directory="../../../third_party/libnsbmp/uos/mips64/include" /> <Add directory="../../../third_party/libnsbmp/uos/mips64/include" />
<Add directory="../../../third_party/zlib/uos/mips64/include" />
<Add directory="../../../third_party/libpng/uos/mips64/include/libpng16" /> <Add directory="../../../third_party/libpng/uos/mips64/include/libpng16" />
<Add directory="../../../third_party/libtiff/uos/mips64/include" /> <Add directory="../../../third_party/libtiff/uos/mips64/include" />
<Add directory="../../../third_party/libzip/uos/mips64/include" /> <Add directory="../../../third_party/libzip/uos/mips64/include" />
@ -194,6 +200,7 @@
<Add option="-g" /> <Add option="-g" />
<Add directory="../../../third_party/libjpeg/kylin/amd64/include" /> <Add directory="../../../third_party/libjpeg/kylin/amd64/include" />
<Add directory="../../../third_party/libnsbmp/kylin/amd64/include" /> <Add directory="../../../third_party/libnsbmp/kylin/amd64/include" />
<Add directory="../../../third_party/zlib/kylin/amd64/include" />
<Add directory="../../../third_party/libpng/kylin/amd64/include/libpng16" /> <Add directory="../../../third_party/libpng/kylin/amd64/include/libpng16" />
<Add directory="../../../third_party/libtiff/kylin/amd64/include" /> <Add directory="../../../third_party/libtiff/kylin/amd64/include" />
<Add directory="../../../third_party/libzip/kylin/amd64/include" /> <Add directory="../../../third_party/libzip/kylin/amd64/include" />
@ -223,6 +230,7 @@
<Add option="-O2" /> <Add option="-O2" />
<Add directory="../../../third_party/libjpeg/kylin/amd64/include" /> <Add directory="../../../third_party/libjpeg/kylin/amd64/include" />
<Add directory="../../../third_party/libnsbmp/kylin/amd64/include" /> <Add directory="../../../third_party/libnsbmp/kylin/amd64/include" />
<Add directory="../../../third_party/zlib/kylin/amd64/include" />
<Add directory="../../../third_party/libpng/kylin/amd64/include/libpng16" /> <Add directory="../../../third_party/libpng/kylin/amd64/include/libpng16" />
<Add directory="../../../third_party/libtiff/kylin/amd64/include" /> <Add directory="../../../third_party/libtiff/kylin/amd64/include" />
<Add directory="../../../third_party/libzip/kylin/amd64/include" /> <Add directory="../../../third_party/libzip/kylin/amd64/include" />
@ -253,6 +261,7 @@
<Add option="-g" /> <Add option="-g" />
<Add directory="../../../third_party/libjpeg/kylin/aarch64/include" /> <Add directory="../../../third_party/libjpeg/kylin/aarch64/include" />
<Add directory="../../../third_party/libnsbmp/kylin/aarch64/include" /> <Add directory="../../../third_party/libnsbmp/kylin/aarch64/include" />
<Add directory="../../../third_party/zlib/kylin/aarch64/include" />
<Add directory="../../../third_party/libpng/kylin/aarch64/include/libpng16" /> <Add directory="../../../third_party/libpng/kylin/aarch64/include/libpng16" />
<Add directory="../../../third_party/libtiff/kylin/aarch64/include" /> <Add directory="../../../third_party/libtiff/kylin/aarch64/include" />
<Add directory="../../../third_party/libzip/kylin/aarch64/include" /> <Add directory="../../../third_party/libzip/kylin/aarch64/include" />
@ -282,6 +291,7 @@
<Add option="-O2" /> <Add option="-O2" />
<Add directory="../../../third_party/libjpeg/kylin/aarch64/include" /> <Add directory="../../../third_party/libjpeg/kylin/aarch64/include" />
<Add directory="../../../third_party/libnsbmp/kylin/aarch64/include" /> <Add directory="../../../third_party/libnsbmp/kylin/aarch64/include" />
<Add directory="../../../third_party/zlib/kylin/aarch64/include" />
<Add directory="../../../third_party/libpng/kylin/aarch64/include/libpng16" /> <Add directory="../../../third_party/libpng/kylin/aarch64/include/libpng16" />
<Add directory="../../../third_party/libtiff/kylin/aarch64/include" /> <Add directory="../../../third_party/libtiff/kylin/aarch64/include" />
<Add directory="../../../third_party/libzip/kylin/aarch64/include" /> <Add directory="../../../third_party/libzip/kylin/aarch64/include" />
@ -312,6 +322,7 @@
<Add option="-g" /> <Add option="-g" />
<Add directory="../../../third_party/libjpeg/kylin/mips64/include" /> <Add directory="../../../third_party/libjpeg/kylin/mips64/include" />
<Add directory="../../../third_party/libnsbmp/kylin/mips64/include" /> <Add directory="../../../third_party/libnsbmp/kylin/mips64/include" />
<Add directory="../../../third_party/zlib/kylin/mips64/include" />
<Add directory="../../../third_party/libpng/kylin/mips64/include/libpng16" /> <Add directory="../../../third_party/libpng/kylin/mips64/include/libpng16" />
<Add directory="../../../third_party/libtiff/kylin/mips64/include" /> <Add directory="../../../third_party/libtiff/kylin/mips64/include" />
<Add directory="../../../third_party/libzip/kylin/mips64/include" /> <Add directory="../../../third_party/libzip/kylin/mips64/include" />
@ -341,6 +352,7 @@
<Add option="-O2" /> <Add option="-O2" />
<Add directory="../../../third_party/libjpeg/kylin/mips64/include" /> <Add directory="../../../third_party/libjpeg/kylin/mips64/include" />
<Add directory="../../../third_party/libnsbmp/kylin/mips64/include" /> <Add directory="../../../third_party/libnsbmp/kylin/mips64/include" />
<Add directory="../../../third_party/zlib/kylin/mips64/include" />
<Add directory="../../../third_party/libpng/kylin/mips64/include/libpng16" /> <Add directory="../../../third_party/libpng/kylin/mips64/include/libpng16" />
<Add directory="../../../third_party/libtiff/kylin/mips64/include" /> <Add directory="../../../third_party/libtiff/kylin/mips64/include" />
<Add directory="../../../third_party/libzip/kylin/mips64/include" /> <Add directory="../../../third_party/libzip/kylin/mips64/include" />

1
modules/base/HGInc.h
View File

@ -31,6 +31,7 @@
#include <dlfcn.h> #include <dlfcn.h>
#include <iconv.h> #include <iconv.h>
#include <sys/ioctl.h> #include <sys/ioctl.h>
#include <dirent.h>
#endif #endif
#endif /* __HGINC_H__ */ #endif /* __HGINC_H__ */

7
sdk/webservice/ManagerV2.cpp
View File

@ -1,4 +1,6 @@
#include "ManagerV2.h" #include "ManagerV2.h"
#include "base/HGDef.h"
#include "base/HGInc.h"
#include "base/HGBuffer.h" #include "base/HGBuffer.h"
#include "base/HGBase64.h" #include "base/HGBase64.h"
#include "base/HGUtility.h" #include "base/HGUtility.h"
@ -3458,7 +3460,10 @@ namespace ver_2
{ {
char fileName[256]; char fileName[256];
sprintf(fileName, "%s%s", m_bindFolder.c_str(), dire->d_name); sprintf(fileName, "%s%s", m_bindFolder.c_str(), dire->d_name);
if (!IS_DIR(fileName))
struct stat filebuf;
lstat(fileName, &filebuf);
if (!S_ISDIR(filebuf.st_mode))
{ {
HGBase_DeleteFile(fileName); HGBase_DeleteFile(fileName);
} }

41
third_party/zlib/kylin/amd64/include/zconf.h vendored
View File

@ -1,5 +1,5 @@
/* zconf.h -- configuration of the zlib compression library /* zconf.h -- configuration of the zlib compression library
* Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler * Copyright (C) 1995-2013 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
@ -17,7 +17,7 @@
#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */ #ifdef Z_PREFIX /* may be set to #if 1 by ./configure */
# define Z_PREFIX_SET # define Z_PREFIX_SET
/* all linked symbols and init macros */ /* all linked symbols */
# define _dist_code z__dist_code # define _dist_code z__dist_code
# define _length_code z__length_code # define _length_code z__length_code
# define _tr_align z__tr_align # define _tr_align z__tr_align
@ -29,7 +29,6 @@
# define adler32 z_adler32 # define adler32 z_adler32
# define adler32_combine z_adler32_combine # define adler32_combine z_adler32_combine
# define adler32_combine64 z_adler32_combine64 # define adler32_combine64 z_adler32_combine64
# define adler32_z z_adler32_z
# ifndef Z_SOLO # ifndef Z_SOLO
# define compress z_compress # define compress z_compress
# define compress2 z_compress2 # define compress2 z_compress2
@ -38,14 +37,10 @@
# define crc32 z_crc32 # define crc32 z_crc32
# define crc32_combine z_crc32_combine # define crc32_combine z_crc32_combine
# define crc32_combine64 z_crc32_combine64 # define crc32_combine64 z_crc32_combine64
# define crc32_z z_crc32_z
# define deflate z_deflate # define deflate z_deflate
# define deflateBound z_deflateBound # define deflateBound z_deflateBound
# define deflateCopy z_deflateCopy # define deflateCopy z_deflateCopy
# define deflateEnd z_deflateEnd # define deflateEnd z_deflateEnd
# define deflateGetDictionary z_deflateGetDictionary
# define deflateInit z_deflateInit
# define deflateInit2 z_deflateInit2
# define deflateInit2_ z_deflateInit2_ # define deflateInit2_ z_deflateInit2_
# define deflateInit_ z_deflateInit_ # define deflateInit_ z_deflateInit_
# define deflateParams z_deflateParams # define deflateParams z_deflateParams
@ -72,8 +67,6 @@
# define gzeof z_gzeof # define gzeof z_gzeof
# define gzerror z_gzerror # define gzerror z_gzerror
# define gzflush z_gzflush # define gzflush z_gzflush
# define gzfread z_gzfread
# define gzfwrite z_gzfwrite
# define gzgetc z_gzgetc # define gzgetc z_gzgetc
# define gzgetc_ z_gzgetc_ # define gzgetc_ z_gzgetc_
# define gzgets z_gzgets # define gzgets z_gzgets
@ -85,6 +78,7 @@
# define gzopen_w z_gzopen_w # define gzopen_w z_gzopen_w
# endif # endif
# define gzprintf z_gzprintf # define gzprintf z_gzprintf
# define gzvprintf z_gzvprintf
# define gzputc z_gzputc # define gzputc z_gzputc
# define gzputs z_gzputs # define gzputs z_gzputs
# define gzread z_gzread # define gzread z_gzread
@ -95,39 +89,32 @@
# define gztell z_gztell # define gztell z_gztell
# define gztell64 z_gztell64 # define gztell64 z_gztell64
# define gzungetc z_gzungetc # define gzungetc z_gzungetc
# define gzvprintf z_gzvprintf
# define gzwrite z_gzwrite # define gzwrite z_gzwrite
# endif # endif
# define inflate z_inflate # define inflate z_inflate
# define inflateBack z_inflateBack # define inflateBack z_inflateBack
# define inflateBackEnd z_inflateBackEnd # define inflateBackEnd z_inflateBackEnd
# define inflateBackInit z_inflateBackInit
# define inflateBackInit_ z_inflateBackInit_ # define inflateBackInit_ z_inflateBackInit_
# define inflateCodesUsed z_inflateCodesUsed
# define inflateCopy z_inflateCopy # define inflateCopy z_inflateCopy
# define inflateEnd z_inflateEnd # define inflateEnd z_inflateEnd
# define inflateGetDictionary z_inflateGetDictionary
# define inflateGetHeader z_inflateGetHeader # define inflateGetHeader z_inflateGetHeader
# define inflateInit z_inflateInit
# define inflateInit2 z_inflateInit2
# define inflateInit2_ z_inflateInit2_ # define inflateInit2_ z_inflateInit2_
# define inflateInit_ z_inflateInit_ # define inflateInit_ z_inflateInit_
# define inflateMark z_inflateMark # define inflateMark z_inflateMark
# define inflatePrime z_inflatePrime # define inflatePrime z_inflatePrime
# define inflateReset z_inflateReset # define inflateReset z_inflateReset
# define inflateReset2 z_inflateReset2 # define inflateReset2 z_inflateReset2
# define inflateResetKeep z_inflateResetKeep
# define inflateSetDictionary z_inflateSetDictionary # define inflateSetDictionary z_inflateSetDictionary
# define inflateGetDictionary z_inflateGetDictionary
# define inflateSync z_inflateSync # define inflateSync z_inflateSync
# define inflateSyncPoint z_inflateSyncPoint # define inflateSyncPoint z_inflateSyncPoint
# define inflateUndermine z_inflateUndermine # define inflateUndermine z_inflateUndermine
# define inflateValidate z_inflateValidate # define inflateResetKeep z_inflateResetKeep
# define inflate_copyright z_inflate_copyright # define inflate_copyright z_inflate_copyright
# define inflate_fast z_inflate_fast # define inflate_fast z_inflate_fast
# define inflate_table z_inflate_table # define inflate_table z_inflate_table
# ifndef Z_SOLO # ifndef Z_SOLO
# define uncompress z_uncompress # define uncompress z_uncompress
# define uncompress2 z_uncompress2
# endif # endif
# define zError z_zError # define zError z_zError
# ifndef Z_SOLO # ifndef Z_SOLO
@ -237,19 +224,9 @@
# define z_const # define z_const
#endif #endif
#ifdef Z_SOLO /* Some Mac compilers merge all .h files incorrectly: */
typedef unsigned long z_size_t; #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
#else # define NO_DUMMY_DECL
# define z_longlong long long
# if defined(NO_SIZE_T)
typedef unsigned NO_SIZE_T z_size_t;
# elif defined(STDC)
# include <stddef.h>
typedef size_t z_size_t;
# else
typedef unsigned long z_size_t;
# endif
# undef z_longlong
#endif #endif
/* Maximum value for memLevel in deflateInit2 */ /* Maximum value for memLevel in deflateInit2 */
@ -279,7 +256,7 @@
Of course this will generally degrade compression (there's no free lunch). Of course this will generally degrade compression (there's no free lunch).
The memory requirements for inflate are (in bytes) 1 << windowBits The memory requirements for inflate are (in bytes) 1 << windowBits
that is, 32K for windowBits=15 (default value) plus about 7 kilobytes that is, 32K for windowBits=15 (default value) plus a few kilobytes
for small objects. for small objects.
*/ */

412
third_party/zlib/kylin/amd64/include/zlib.h vendored
View File

@ -1,7 +1,7 @@
/* zlib.h -- interface of the 'zlib' general purpose compression library /* zlib.h -- interface of the 'zlib' general purpose compression library
version 1.2.11, January 15th, 2017 version 1.2.8, April 28th, 2013
Copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler
This software is provided 'as-is', without any express or implied This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages warranty. In no event will the authors be held liable for any damages
@ -37,11 +37,11 @@
extern "C" { extern "C" {
#endif #endif
#define ZLIB_VERSION "1.2.11" #define ZLIB_VERSION "1.2.8"
#define ZLIB_VERNUM 0x12b0 #define ZLIB_VERNUM 0x1280
#define ZLIB_VER_MAJOR 1 #define ZLIB_VER_MAJOR 1
#define ZLIB_VER_MINOR 2 #define ZLIB_VER_MINOR 2
#define ZLIB_VER_REVISION 11 #define ZLIB_VER_REVISION 8
#define ZLIB_VER_SUBREVISION 0 #define ZLIB_VER_SUBREVISION 0
/* /*
@ -65,8 +65,7 @@ extern "C" {
with "gz". The gzip format is different from the zlib format. gzip is a with "gz". The gzip format is different from the zlib format. gzip is a
gzip wrapper, documented in RFC 1952, wrapped around a deflate stream. gzip wrapper, documented in RFC 1952, wrapped around a deflate stream.
This library can optionally read and write gzip and raw deflate streams in This library can optionally read and write gzip streams in memory as well.
memory as well.
The zlib format was designed to be compact and fast for use in memory The zlib format was designed to be compact and fast for use in memory
and on communications channels. The gzip format was designed for single- and on communications channels. The gzip format was designed for single-
@ -75,7 +74,7 @@ extern "C" {
The library does not install any signal handler. The decoder checks The library does not install any signal handler. The decoder checks
the consistency of the compressed data, so the library should never crash the consistency of the compressed data, so the library should never crash
even in the case of corrupted input. even in case of corrupted input.
*/ */
typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size)); typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size));
@ -88,7 +87,7 @@ typedef struct z_stream_s {
uInt avail_in; /* number of bytes available at next_in */ uInt avail_in; /* number of bytes available at next_in */
uLong total_in; /* total number of input bytes read so far */ uLong total_in; /* total number of input bytes read so far */
Bytef *next_out; /* next output byte will go here */ Bytef *next_out; /* next output byte should be put there */
uInt avail_out; /* remaining free space at next_out */ uInt avail_out; /* remaining free space at next_out */
uLong total_out; /* total number of bytes output so far */ uLong total_out; /* total number of bytes output so far */
@ -99,9 +98,8 @@ typedef struct z_stream_s {
free_func zfree; /* used to free the internal state */ free_func zfree; /* used to free the internal state */
voidpf opaque; /* private data object passed to zalloc and zfree */ voidpf opaque; /* private data object passed to zalloc and zfree */
int data_type; /* best guess about the data type: binary or text int data_type; /* best guess about the data type: binary or text */
for deflate, or the decoding state for inflate */ uLong adler; /* adler32 value of the uncompressed data */
uLong adler; /* Adler-32 or CRC-32 value of the uncompressed data */
uLong reserved; /* reserved for future use */ uLong reserved; /* reserved for future use */
} z_stream; } z_stream;
@ -144,9 +142,7 @@ typedef gz_header FAR *gz_headerp;
zalloc must return Z_NULL if there is not enough memory for the object. zalloc must return Z_NULL if there is not enough memory for the object.
If zlib is used in a multi-threaded application, zalloc and zfree must be If zlib is used in a multi-threaded application, zalloc and zfree must be
thread safe. In that case, zlib is thread-safe. When zalloc and zfree are thread safe.
Z_NULL on entry to the initialization function, they are set to internal
routines that use the standard library functions malloc() and free().
On 16-bit systems, the functions zalloc and zfree must be able to allocate On 16-bit systems, the functions zalloc and zfree must be able to allocate
exactly 65536 bytes, but will not be required to allocate more than this if exactly 65536 bytes, but will not be required to allocate more than this if
@ -159,7 +155,7 @@ typedef gz_header FAR *gz_headerp;
The fields total_in and total_out can be used for statistics or progress The fields total_in and total_out can be used for statistics or progress
reports. After compression, total_in holds the total size of the reports. After compression, total_in holds the total size of the
uncompressed data and may be saved for use by the decompressor (particularly uncompressed data and may be saved for use in the decompressor (particularly
if the decompressor wants to decompress everything in a single step). if the decompressor wants to decompress everything in a single step).
*/ */
@ -204,7 +200,7 @@ typedef gz_header FAR *gz_headerp;
#define Z_TEXT 1 #define Z_TEXT 1
#define Z_ASCII Z_TEXT /* for compatibility with 1.2.2 and earlier */ #define Z_ASCII Z_TEXT /* for compatibility with 1.2.2 and earlier */
#define Z_UNKNOWN 2 #define Z_UNKNOWN 2
/* Possible values of the data_type field for deflate() */ /* Possible values of the data_type field (though see inflate()) */
#define Z_DEFLATED 8 #define Z_DEFLATED 8
/* The deflate compression method (the only one supported in this version) */ /* The deflate compression method (the only one supported in this version) */
@ -262,11 +258,11 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
enough room in the output buffer), next_in and avail_in are updated and enough room in the output buffer), next_in and avail_in are updated and
processing will resume at this point for the next call of deflate(). processing will resume at this point for the next call of deflate().
- Generate more output starting at next_out and update next_out and avail_out - Provide more output starting at next_out and update next_out and avail_out
accordingly. This action is forced if the parameter flush is non zero. accordingly. This action is forced if the parameter flush is non zero.
Forcing flush frequently degrades the compression ratio, so this parameter Forcing flush frequently degrades the compression ratio, so this parameter
should be set only when necessary. Some output may be provided even if should be set only when necessary (in interactive applications). Some
flush is zero. output may be provided even if flush is not set.
Before the call of deflate(), the application should ensure that at least Before the call of deflate(), the application should ensure that at least
one of the actions is possible, by providing more input and/or consuming more one of the actions is possible, by providing more input and/or consuming more
@ -275,9 +271,7 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
output when it wants, for example when the output buffer is full (avail_out output when it wants, for example when the output buffer is full (avail_out
== 0), or after each call of deflate(). If deflate returns Z_OK and with == 0), or after each call of deflate(). If deflate returns Z_OK and with
zero avail_out, it must be called again after making room in the output zero avail_out, it must be called again after making room in the output
buffer because there might be more output pending. See deflatePending(), buffer because there might be more output pending.
which can be used if desired to determine whether or not there is more ouput
in that case.
Normally the parameter flush is set to Z_NO_FLUSH, which allows deflate to Normally the parameter flush is set to Z_NO_FLUSH, which allows deflate to
decide how much data to accumulate before producing output, in order to decide how much data to accumulate before producing output, in order to
@ -298,8 +292,8 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
input data so far will be available to the decompressor, as for Z_SYNC_FLUSH. input data so far will be available to the decompressor, as for Z_SYNC_FLUSH.
This completes the current deflate block and follows it with an empty fixed This completes the current deflate block and follows it with an empty fixed
codes block that is 10 bits long. This assures that enough bytes are output codes block that is 10 bits long. This assures that enough bytes are output
in order for the decompressor to finish the block before the empty fixed in order for the decompressor to finish the block before the empty fixed code
codes block. block.
If flush is set to Z_BLOCK, a deflate block is completed and emitted, as If flush is set to Z_BLOCK, a deflate block is completed and emitted, as
for Z_SYNC_FLUSH, but the output is not aligned on a byte boundary, and up to for Z_SYNC_FLUSH, but the output is not aligned on a byte boundary, and up to
@ -325,38 +319,34 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
If the parameter flush is set to Z_FINISH, pending input is processed, If the parameter flush is set to Z_FINISH, pending input is processed,
pending output is flushed and deflate returns with Z_STREAM_END if there was pending output is flushed and deflate returns with Z_STREAM_END if there was
enough output space. If deflate returns with Z_OK or Z_BUF_ERROR, this enough output space; if deflate returns with Z_OK, this function must be
function must be called again with Z_FINISH and more output space (updated called again with Z_FINISH and more output space (updated avail_out) but no
avail_out) but no more input data, until it returns with Z_STREAM_END or an more input data, until it returns with Z_STREAM_END or an error. After
error. After deflate has returned Z_STREAM_END, the only possible operations deflate has returned Z_STREAM_END, the only possible operations on the stream
on the stream are deflateReset or deflateEnd. are deflateReset or deflateEnd.
Z_FINISH can be used in the first deflate call after deflateInit if all the Z_FINISH can be used immediately after deflateInit if all the compression
compression is to be done in a single step. In order to complete in one is to be done in a single step. In this case, avail_out must be at least the
call, avail_out must be at least the value returned by deflateBound (see value returned by deflateBound (see below). Then deflate is guaranteed to
below). Then deflate is guaranteed to return Z_STREAM_END. If not enough return Z_STREAM_END. If not enough output space is provided, deflate will
output space is provided, deflate will not return Z_STREAM_END, and it must not return Z_STREAM_END, and it must be called again as described above.
be called again as described above.
deflate() sets strm->adler to the Adler-32 checksum of all input read deflate() sets strm->adler to the adler32 checksum of all input read
so far (that is, total_in bytes). If a gzip stream is being generated, then so far (that is, total_in bytes).
strm->adler will be the CRC-32 checksum of the input read so far. (See
deflateInit2 below.)
deflate() may update strm->data_type if it can make a good guess about deflate() may update strm->data_type if it can make a good guess about
the input data type (Z_BINARY or Z_TEXT). If in doubt, the data is the input data type (Z_BINARY or Z_TEXT). In doubt, the data is considered
considered binary. This field is only for information purposes and does not binary. This field is only for information purposes and does not affect the
affect the compression algorithm in any manner. compression algorithm in any manner.
deflate() returns Z_OK if some progress has been made (more input deflate() returns Z_OK if some progress has been made (more input
processed or more output produced), Z_STREAM_END if all input has been processed or more output produced), Z_STREAM_END if all input has been
consumed and all output has been produced (only when flush is set to consumed and all output has been produced (only when flush is set to
Z_FINISH), Z_STREAM_ERROR if the stream state was inconsistent (for example Z_FINISH), Z_STREAM_ERROR if the stream state was inconsistent (for example
if next_in or next_out was Z_NULL or the state was inadvertently written over if next_in or next_out was Z_NULL), Z_BUF_ERROR if no progress is possible
by the application), or Z_BUF_ERROR if no progress is possible (for example (for example avail_in or avail_out was zero). Note that Z_BUF_ERROR is not
avail_in or avail_out was zero). Note that Z_BUF_ERROR is not fatal, and fatal, and deflate() can be called again with more input and more output
deflate() can be called again with more input and more output space to space to continue compressing.
continue compressing.
*/ */
@ -379,21 +369,23 @@ ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm));
Initializes the internal stream state for decompression. The fields Initializes the internal stream state for decompression. The fields
next_in, avail_in, zalloc, zfree and opaque must be initialized before by next_in, avail_in, zalloc, zfree and opaque must be initialized before by
the caller. In the current version of inflate, the provided input is not the caller. If next_in is not Z_NULL and avail_in is large enough (the
read or consumed. The allocation of a sliding window will be deferred to exact value depends on the compression method), inflateInit determines the
the first call of inflate (if the decompression does not complete on the compression method from the zlib header and allocates all data structures
first call). If zalloc and zfree are set to Z_NULL, inflateInit updates accordingly; otherwise the allocation will be deferred to the first call of
them to use default allocation functions. inflate. If zalloc and zfree are set to Z_NULL, inflateInit updates them to
use default allocation functions.
inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_VERSION_ERROR if the zlib library version is incompatible with the memory, Z_VERSION_ERROR if the zlib library version is incompatible with the
version assumed by the caller, or Z_STREAM_ERROR if the parameters are version assumed by the caller, or Z_STREAM_ERROR if the parameters are
invalid, such as a null pointer to the structure. msg is set to null if invalid, such as a null pointer to the structure. msg is set to null if
there is no error message. inflateInit does not perform any decompression. there is no error message. inflateInit does not perform any decompression
Actual decompression will be done by inflate(). So next_in, and avail_in, apart from possibly reading the zlib header if present: actual decompression
next_out, and avail_out are unused and unchanged. The current will be done by inflate(). (So next_in and avail_in may be modified, but
implementation of inflateInit() does not process any header information -- next_out and avail_out are unused and unchanged.) The current implementation
that is deferred until inflate() is called. of inflateInit() does not process any header information -- that is deferred
until inflate() is called.
*/ */
@ -409,20 +401,17 @@ ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush));
- Decompress more input starting at next_in and update next_in and avail_in - Decompress more input starting at next_in and update next_in and avail_in
accordingly. If not all input can be processed (because there is not accordingly. If not all input can be processed (because there is not
enough room in the output buffer), then next_in and avail_in are updated enough room in the output buffer), next_in is updated and processing will
accordingly, and processing will resume at this point for the next call of resume at this point for the next call of inflate().
inflate().
- Generate more output starting at next_out and update next_out and avail_out - Provide more output starting at next_out and update next_out and avail_out
accordingly. inflate() provides as much output as possible, until there is accordingly. inflate() provides as much output as possible, until there is
no more input data or no more space in the output buffer (see below about no more input data or no more space in the output buffer (see below about
the flush parameter). the flush parameter).
Before the call of inflate(), the application should ensure that at least Before the call of inflate(), the application should ensure that at least
one of the actions is possible, by providing more input and/or consuming more one of the actions is possible, by providing more input and/or consuming more
output, and updating the next_* and avail_* values accordingly. If the output, and updating the next_* and avail_* values accordingly. The
caller of inflate() does not provide both available input and available
output space, it is possible that there will be no progress made. The
application can consume the uncompressed output when it wants, for example application can consume the uncompressed output when it wants, for example
when the output buffer is full (avail_out == 0), or after each call of when the output buffer is full (avail_out == 0), or after each call of
inflate(). If inflate returns Z_OK and with zero avail_out, it must be inflate(). If inflate returns Z_OK and with zero avail_out, it must be
@ -439,7 +428,7 @@ ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush));
gets to the end of that block, or when it runs out of data. gets to the end of that block, or when it runs out of data.
The Z_BLOCK option assists in appending to or combining deflate streams. The Z_BLOCK option assists in appending to or combining deflate streams.
To assist in this, on return inflate() always sets strm->data_type to the Also to assist in this, on return inflate() will set strm->data_type to the
number of unused bits in the last byte taken from strm->next_in, plus 64 if number of unused bits in the last byte taken from strm->next_in, plus 64 if
inflate() is currently decoding the last block in the deflate stream, plus inflate() is currently decoding the last block in the deflate stream, plus
128 if inflate() returned immediately after decoding an end-of-block code or 128 if inflate() returned immediately after decoding an end-of-block code or
@ -487,33 +476,32 @@ ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush));
chosen by the compressor and returns Z_NEED_DICT; otherwise it sets chosen by the compressor and returns Z_NEED_DICT; otherwise it sets
strm->adler to the Adler-32 checksum of all output produced so far (that is, strm->adler to the Adler-32 checksum of all output produced so far (that is,
total_out bytes) and returns Z_OK, Z_STREAM_END or an error code as described total_out bytes) and returns Z_OK, Z_STREAM_END or an error code as described
below. At the end of the stream, inflate() checks that its computed Adler-32 below. At the end of the stream, inflate() checks that its computed adler32
checksum is equal to that saved by the compressor and returns Z_STREAM_END checksum is equal to that saved by the compressor and returns Z_STREAM_END
only if the checksum is correct. only if the checksum is correct.
inflate() can decompress and check either zlib-wrapped or gzip-wrapped inflate() can decompress and check either zlib-wrapped or gzip-wrapped
deflate data. The header type is detected automatically, if requested when deflate data. The header type is detected automatically, if requested when
initializing with inflateInit2(). Any information contained in the gzip initializing with inflateInit2(). Any information contained in the gzip
header is not retained unless inflateGetHeader() is used. When processing header is not retained, so applications that need that information should
instead use raw inflate, see inflateInit2() below, or inflateBack() and
perform their own processing of the gzip header and trailer. When processing
gzip-wrapped deflate data, strm->adler32 is set to the CRC-32 of the output gzip-wrapped deflate data, strm->adler32 is set to the CRC-32 of the output
produced so far. The CRC-32 is checked against the gzip trailer, as is the producted so far. The CRC-32 is checked against the gzip trailer.
uncompressed length, modulo 2^32.
inflate() returns Z_OK if some progress has been made (more input processed inflate() returns Z_OK if some progress has been made (more input processed
or more output produced), Z_STREAM_END if the end of the compressed data has or more output produced), Z_STREAM_END if the end of the compressed data has
been reached and all uncompressed output has been produced, Z_NEED_DICT if a been reached and all uncompressed output has been produced, Z_NEED_DICT if a
preset dictionary is needed at this point, Z_DATA_ERROR if the input data was preset dictionary is needed at this point, Z_DATA_ERROR if the input data was
corrupted (input stream not conforming to the zlib format or incorrect check corrupted (input stream not conforming to the zlib format or incorrect check
value, in which case strm->msg points to a string with a more specific value), Z_STREAM_ERROR if the stream structure was inconsistent (for example
error), Z_STREAM_ERROR if the stream structure was inconsistent (for example next_in or next_out was Z_NULL), Z_MEM_ERROR if there was not enough memory,
next_in or next_out was Z_NULL, or the state was inadvertently written over Z_BUF_ERROR if no progress is possible or if there was not enough room in the
by the application), Z_MEM_ERROR if there was not enough memory, Z_BUF_ERROR output buffer when Z_FINISH is used. Note that Z_BUF_ERROR is not fatal, and
if no progress was possible or if there was not enough room in the output
buffer when Z_FINISH is used. Note that Z_BUF_ERROR is not fatal, and
inflate() can be called again with more input and more output space to inflate() can be called again with more input and more output space to
continue decompressing. If Z_DATA_ERROR is returned, the application may continue decompressing. If Z_DATA_ERROR is returned, the application may
then call inflateSync() to look for a good compression block if a partial then call inflateSync() to look for a good compression block if a partial
recovery of the data is to be attempted. recovery of the data is desired.
*/ */
@ -523,8 +511,9 @@ ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm));
This function discards any unprocessed input and does not flush any pending This function discards any unprocessed input and does not flush any pending
output. output.
inflateEnd returns Z_OK if success, or Z_STREAM_ERROR if the stream state inflateEnd returns Z_OK if success, Z_STREAM_ERROR if the stream state
was inconsistent. was inconsistent. In the error case, msg may be set but then points to a
static string (which must not be deallocated).
*/ */
@ -555,29 +544,16 @@ ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm,
compression at the expense of memory usage. The default value is 15 if compression at the expense of memory usage. The default value is 15 if
deflateInit is used instead. deflateInit is used instead.
For the current implementation of deflate(), a windowBits value of 8 (a
window size of 256 bytes) is not supported. As a result, a request for 8
will result in 9 (a 512-byte window). In that case, providing 8 to
inflateInit2() will result in an error when the zlib header with 9 is
checked against the initialization of inflate(). The remedy is to not use 8
with deflateInit2() with this initialization, or at least in that case use 9
with inflateInit2().
windowBits can also be -8..-15 for raw deflate. In this case, -windowBits windowBits can also be -8..-15 for raw deflate. In this case, -windowBits
determines the window size. deflate() will then generate raw deflate data determines the window size. deflate() will then generate raw deflate data
with no zlib header or trailer, and will not compute a check value. with no zlib header or trailer, and will not compute an adler32 check value.
windowBits can also be greater than 15 for optional gzip encoding. Add windowBits can also be greater than 15 for optional gzip encoding. Add
16 to windowBits to write a simple gzip header and trailer around the 16 to windowBits to write a simple gzip header and trailer around the
compressed data instead of a zlib wrapper. The gzip header will have no compressed data instead of a zlib wrapper. The gzip header will have no
file name, no extra data, no comment, no modification time (set to zero), no file name, no extra data, no comment, no modification time (set to zero), no
header crc, and the operating system will be set to the appropriate value, header crc, and the operating system will be set to 255 (unknown). If a
if the operating system was determined at compile time. If a gzip stream is gzip stream is being written, strm->adler is a crc32 instead of an adler32.
being written, strm->adler is a CRC-32 instead of an Adler-32.
For raw deflate or gzip encoding, a request for a 256-byte window is
rejected as invalid, since only the zlib header provides a means of
transmitting the window size to the decompressor.
The memLevel parameter specifies how much memory should be allocated The memLevel parameter specifies how much memory should be allocated
for the internal compression state. memLevel=1 uses minimum memory but is for the internal compression state. memLevel=1 uses minimum memory but is
@ -638,12 +614,12 @@ ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm,
addition, the current implementation of deflate will use at most the window addition, the current implementation of deflate will use at most the window
size minus 262 bytes of the provided dictionary. size minus 262 bytes of the provided dictionary.
Upon return of this function, strm->adler is set to the Adler-32 value Upon return of this function, strm->adler is set to the adler32 value
of the dictionary; the decompressor may later use this value to determine of the dictionary; the decompressor may later use this value to determine
which dictionary has been used by the compressor. (The Adler-32 value which dictionary has been used by the compressor. (The adler32 value
applies to the whole dictionary even if only a subset of the dictionary is applies to the whole dictionary even if only a subset of the dictionary is
actually used by the compressor.) If a raw deflate was requested, then the actually used by the compressor.) If a raw deflate was requested, then the
Adler-32 value is not computed and strm->adler is not set. adler32 value is not computed and strm->adler is not set.
deflateSetDictionary returns Z_OK if success, or Z_STREAM_ERROR if a deflateSetDictionary returns Z_OK if success, or Z_STREAM_ERROR if a
parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is
@ -652,28 +628,6 @@ ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm,
not perform any compression: this will be done by deflate(). not perform any compression: this will be done by deflate().
*/ */
ZEXTERN int ZEXPORT deflateGetDictionary OF((z_streamp strm,
Bytef *dictionary,
uInt *dictLength));
/*
Returns the sliding dictionary being maintained by deflate. dictLength is
set to the number of bytes in the dictionary, and that many bytes are copied
to dictionary. dictionary must have enough space, where 32768 bytes is
always enough. If deflateGetDictionary() is called with dictionary equal to
Z_NULL, then only the dictionary length is returned, and nothing is copied.
Similary, if dictLength is Z_NULL, then it is not set.
deflateGetDictionary() may return a length less than the window size, even
when more than the window size in input has been provided. It may return up
to 258 bytes less in that case, due to how zlib's implementation of deflate
manages the sliding window and lookahead for matches, where matches can be
up to 258 bytes long. If the application needs the last window-size bytes of
input, then that would need to be saved by the application outside of zlib.
deflateGetDictionary returns Z_OK on success, or Z_STREAM_ERROR if the
stream state is inconsistent.
*/
ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest, ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest,
z_streamp source)); z_streamp source));
/* /*
@ -694,10 +648,10 @@ ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest,
ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm)); ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm));
/* /*
This function is equivalent to deflateEnd followed by deflateInit, but This function is equivalent to deflateEnd followed by deflateInit,
does not free and reallocate the internal compression state. The stream but does not free and reallocate all the internal compression state. The
will leave the compression level and any other attributes that may have been stream will keep the same compression level and any other attributes that
set unchanged. may have been set by deflateInit2.
deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
stream state was inconsistent (such as zalloc or state being Z_NULL). stream state was inconsistent (such as zalloc or state being Z_NULL).
@ -708,36 +662,20 @@ ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm,
int strategy)); int strategy));
/* /*
Dynamically update the compression level and compression strategy. The Dynamically update the compression level and compression strategy. The
interpretation of level and strategy is as in deflateInit2(). This can be interpretation of level and strategy is as in deflateInit2. This can be
used to switch between compression and straight copy of the input data, or used to switch between compression and straight copy of the input data, or
to switch to a different kind of input data requiring a different strategy. to switch to a different kind of input data requiring a different strategy.
If the compression approach (which is a function of the level) or the If the compression level is changed, the input available so far is
strategy is changed, and if any input has been consumed in a previous compressed with the old level (and may be flushed); the new level will take
deflate() call, then the input available so far is compressed with the old effect only at the next call of deflate().
level and strategy using deflate(strm, Z_BLOCK). There are three approaches
for the compression levels 0, 1..3, and 4..9 respectively. The new level
and strategy will take effect at the next call of deflate().
If a deflate(strm, Z_BLOCK) is performed by deflateParams(), and it does Before the call of deflateParams, the stream state must be set as for
not have enough output space to complete, then the parameter change will not a call of deflate(), since the currently available input may have to be
take effect. In this case, deflateParams() can be called again with the compressed and flushed. In particular, strm->avail_out must be non-zero.
same parameters and more output space to try again.
In order to assure a change in the parameters on the first try, the deflateParams returns Z_OK if success, Z_STREAM_ERROR if the source
deflate stream should be flushed using deflate() with Z_BLOCK or other flush stream state was inconsistent or if a parameter was invalid, Z_BUF_ERROR if
request until strm.avail_out is not zero, before calling deflateParams(). strm->avail_out was zero.
Then no more input data should be provided before the deflateParams() call.
If this is done, the old level and strategy will be applied to the data
compressed before deflateParams(), and the new level and strategy will be
applied to the the data compressed after deflateParams().
deflateParams returns Z_OK on success, Z_STREAM_ERROR if the source stream
state was inconsistent or if a parameter was invalid, or Z_BUF_ERROR if
there was not enough output space to complete the compression of the
available input data before a change in the strategy or approach. Note that
in the case of a Z_BUF_ERROR, the parameters are not changed. A return
value of Z_BUF_ERROR is not fatal, in which case deflateParams() can be
retried with more output space.
*/ */
ZEXTERN int ZEXPORT deflateTune OF((z_streamp strm, ZEXTERN int ZEXPORT deflateTune OF((z_streamp strm,
@ -855,7 +793,7 @@ ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm,
is for use with other formats that use the deflate compressed data format is for use with other formats that use the deflate compressed data format
such as zip. Those formats provide their own check values. If a custom such as zip. Those formats provide their own check values. If a custom
format is developed using the raw deflate format for compressed data, it is format is developed using the raw deflate format for compressed data, it is
recommended that a check value such as an Adler-32 or a CRC-32 be applied to recommended that a check value such as an adler32 or a crc32 be applied to
the uncompressed data as is done in the zlib, gzip, and zip formats. For the uncompressed data as is done in the zlib, gzip, and zip formats. For
most applications, the zlib format should be used as is. Note that comments most applications, the zlib format should be used as is. Note that comments
above on the use in deflateInit2() applies to the magnitude of windowBits. above on the use in deflateInit2() applies to the magnitude of windowBits.
@ -864,10 +802,7 @@ ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm,
32 to windowBits to enable zlib and gzip decoding with automatic header 32 to windowBits to enable zlib and gzip decoding with automatic header
detection, or add 16 to decode only the gzip format (the zlib format will detection, or add 16 to decode only the gzip format (the zlib format will
return a Z_DATA_ERROR). If a gzip stream is being decoded, strm->adler is a return a Z_DATA_ERROR). If a gzip stream is being decoded, strm->adler is a
CRC-32 instead of an Adler-32. Unlike the gunzip utility and gzread() (see crc32 instead of an adler32.
below), inflate() will not automatically decode concatenated gzip streams.
inflate() will return Z_STREAM_END at the end of the gzip stream. The state
would need to be reset to continue decoding a subsequent gzip stream.
inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_VERSION_ERROR if the zlib library version is incompatible with the memory, Z_VERSION_ERROR if the zlib library version is incompatible with the
@ -888,7 +823,7 @@ ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm,
Initializes the decompression dictionary from the given uncompressed byte Initializes the decompression dictionary from the given uncompressed byte
sequence. This function must be called immediately after a call of inflate, sequence. This function must be called immediately after a call of inflate,
if that call returned Z_NEED_DICT. The dictionary chosen by the compressor if that call returned Z_NEED_DICT. The dictionary chosen by the compressor
can be determined from the Adler-32 value returned by that call of inflate. can be determined from the adler32 value returned by that call of inflate.
The compressor and decompressor must use exactly the same dictionary (see The compressor and decompressor must use exactly the same dictionary (see
deflateSetDictionary). For raw inflate, this function can be called at any deflateSetDictionary). For raw inflate, this function can be called at any
time to set the dictionary. If the provided dictionary is smaller than the time to set the dictionary. If the provided dictionary is smaller than the
@ -899,7 +834,7 @@ ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm,
inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a
parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is parameter is invalid (e.g. dictionary being Z_NULL) or the stream state is
inconsistent, Z_DATA_ERROR if the given dictionary doesn't match the inconsistent, Z_DATA_ERROR if the given dictionary doesn't match the
expected one (incorrect Adler-32 value). inflateSetDictionary does not expected one (incorrect adler32 value). inflateSetDictionary does not
perform any decompression: this will be done by subsequent calls of perform any decompression: this will be done by subsequent calls of
inflate(). inflate().
*/ */
@ -957,7 +892,7 @@ ZEXTERN int ZEXPORT inflateCopy OF((z_streamp dest,
ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm)); ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm));
/* /*
This function is equivalent to inflateEnd followed by inflateInit, This function is equivalent to inflateEnd followed by inflateInit,
but does not free and reallocate the internal decompression state. The but does not free and reallocate all the internal decompression state. The
stream will keep attributes that may have been set by inflateInit2. stream will keep attributes that may have been set by inflateInit2.
inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
@ -969,9 +904,7 @@ ZEXTERN int ZEXPORT inflateReset2 OF((z_streamp strm,
/* /*
This function is the same as inflateReset, but it also permits changing This function is the same as inflateReset, but it also permits changing
the wrap and window size requests. The windowBits parameter is interpreted the wrap and window size requests. The windowBits parameter is interpreted
the same as it is for inflateInit2. If the window size is changed, then the the same as it is for inflateInit2.
memory allocated for the window is freed, and the window will be reallocated
by inflate() if needed.
inflateReset2 returns Z_OK if success, or Z_STREAM_ERROR if the source inflateReset2 returns Z_OK if success, or Z_STREAM_ERROR if the source
stream state was inconsistent (such as zalloc or state being Z_NULL), or if stream state was inconsistent (such as zalloc or state being Z_NULL), or if
@ -1023,7 +956,7 @@ ZEXTERN long ZEXPORT inflateMark OF((z_streamp strm));
location in the input stream can be determined from avail_in and data_type location in the input stream can be determined from avail_in and data_type
as noted in the description for the Z_BLOCK flush parameter for inflate. as noted in the description for the Z_BLOCK flush parameter for inflate.
inflateMark returns the value noted above, or -65536 if the provided inflateMark returns the value noted above or -1 << 16 if the provided
source stream state was inconsistent. source stream state was inconsistent.
*/ */
@ -1115,9 +1048,9 @@ ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm,
This routine would normally be used in a utility that reads zip or gzip This routine would normally be used in a utility that reads zip or gzip
files and writes out uncompressed files. The utility would decode the files and writes out uncompressed files. The utility would decode the
header and process the trailer on its own, hence this routine expects only header and process the trailer on its own, hence this routine expects only
the raw deflate stream to decompress. This is different from the default the raw deflate stream to decompress. This is different from the normal
behavior of inflate(), which expects a zlib header and trailer around the behavior of inflate(), which expects either a zlib or gzip header and
deflate stream. trailer around the deflate stream.
inflateBack() uses two subroutines supplied by the caller that are then inflateBack() uses two subroutines supplied by the caller that are then
called by inflateBack() for input and output. inflateBack() calls those called by inflateBack() for input and output. inflateBack() calls those
@ -1127,11 +1060,11 @@ ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm,
typedefs. inflateBack() will call in(in_desc, &buf) which should return the typedefs. inflateBack() will call in(in_desc, &buf) which should return the
number of bytes of provided input, and a pointer to that input in buf. If number of bytes of provided input, and a pointer to that input in buf. If
there is no input available, in() must return zero--buf is ignored in that there is no input available, in() must return zero--buf is ignored in that
case -- and inflateBack() will return a buffer error. inflateBack() will case--and inflateBack() will return a buffer error. inflateBack() will call
call out(out_desc, buf, len) to write the uncompressed data buf[0..len-1]. out(out_desc, buf, len) to write the uncompressed data buf[0..len-1]. out()
out() should return zero on success, or non-zero on failure. If out() should return zero on success, or non-zero on failure. If out() returns
returns non-zero, inflateBack() will return with an error. Neither in() nor non-zero, inflateBack() will return with an error. Neither in() nor out()
out() are permitted to change the contents of the window provided to are permitted to change the contents of the window provided to
inflateBackInit(), which is also the buffer that out() uses to write from. inflateBackInit(), which is also the buffer that out() uses to write from.
The length written by out() will be at most the window size. Any non-zero The length written by out() will be at most the window size. Any non-zero
amount of input may be provided by in(). amount of input may be provided by in().
@ -1181,7 +1114,7 @@ ZEXTERN uLong ZEXPORT zlibCompileFlags OF((void));
7.6: size of z_off_t 7.6: size of z_off_t
Compiler, assembler, and debug options: Compiler, assembler, and debug options:
8: ZLIB_DEBUG 8: DEBUG
9: ASMV or ASMINF -- use ASM code 9: ASMV or ASMINF -- use ASM code
10: ZLIB_WINAPI -- exported functions use the WINAPI calling convention 10: ZLIB_WINAPI -- exported functions use the WINAPI calling convention
11: 0 (reserved) 11: 0 (reserved)
@ -1231,8 +1164,7 @@ ZEXTERN int ZEXPORT compress OF((Bytef *dest, uLongf *destLen,
the byte length of the source buffer. Upon entry, destLen is the total size the byte length of the source buffer. Upon entry, destLen is the total size
of the destination buffer, which must be at least the value returned by of the destination buffer, which must be at least the value returned by
compressBound(sourceLen). Upon exit, destLen is the actual size of the compressBound(sourceLen). Upon exit, destLen is the actual size of the
compressed data. compress() is equivalent to compress2() with a level compressed buffer.
parameter of Z_DEFAULT_COMPRESSION.
compress returns Z_OK if success, Z_MEM_ERROR if there was not compress returns Z_OK if success, Z_MEM_ERROR if there was not
enough memory, Z_BUF_ERROR if there was not enough room in the output enough memory, Z_BUF_ERROR if there was not enough room in the output
@ -1248,7 +1180,7 @@ ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen,
length of the source buffer. Upon entry, destLen is the total size of the length of the source buffer. Upon entry, destLen is the total size of the
destination buffer, which must be at least the value returned by destination buffer, which must be at least the value returned by
compressBound(sourceLen). Upon exit, destLen is the actual size of the compressBound(sourceLen). Upon exit, destLen is the actual size of the
compressed data. compressed buffer.
compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_BUF_ERROR if there was not enough room in the output buffer, memory, Z_BUF_ERROR if there was not enough room in the output buffer,
@ -1271,7 +1203,7 @@ ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen,
uncompressed data. (The size of the uncompressed data must have been saved uncompressed data. (The size of the uncompressed data must have been saved
previously by the compressor and transmitted to the decompressor by some previously by the compressor and transmitted to the decompressor by some
mechanism outside the scope of this compression library.) Upon exit, destLen mechanism outside the scope of this compression library.) Upon exit, destLen
is the actual size of the uncompressed data. is the actual size of the uncompressed buffer.
uncompress returns Z_OK if success, Z_MEM_ERROR if there was not uncompress returns Z_OK if success, Z_MEM_ERROR if there was not
enough memory, Z_BUF_ERROR if there was not enough room in the output enough memory, Z_BUF_ERROR if there was not enough room in the output
@ -1280,14 +1212,6 @@ ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen,
buffer with the uncompressed data up to that point. buffer with the uncompressed data up to that point.
*/ */
ZEXTERN int ZEXPORT uncompress2 OF((Bytef *dest, uLongf *destLen,
const Bytef *source, uLong *sourceLen));
/*
Same as uncompress, except that sourceLen is a pointer, where the
length of the source is *sourceLen. On return, *sourceLen is the number of
source bytes consumed.
*/
/* gzip file access functions */ /* gzip file access functions */
/* /*
@ -1366,9 +1290,10 @@ ZEXTERN int ZEXPORT gzbuffer OF((gzFile file, unsigned size));
default buffer size is 8192 bytes. This function must be called after default buffer size is 8192 bytes. This function must be called after
gzopen() or gzdopen(), and before any other calls that read or write the gzopen() or gzdopen(), and before any other calls that read or write the
file. The buffer memory allocation is always deferred to the first read or file. The buffer memory allocation is always deferred to the first read or
write. Three times that size in buffer space is allocated. A larger buffer write. Two buffers are allocated, either both of the specified size when
size of, for example, 64K or 128K bytes will noticeably increase the speed writing, or one of the specified size and the other twice that size when
of decompression (reading). reading. A larger buffer size of, for example, 64K or 128K bytes will
noticeably increase the speed of decompression (reading).
The new buffer size also affects the maximum length for gzprintf(). The new buffer size also affects the maximum length for gzprintf().
@ -1379,12 +1304,10 @@ ZEXTERN int ZEXPORT gzbuffer OF((gzFile file, unsigned size));
ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy)); ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy));
/* /*
Dynamically update the compression level or strategy. See the description Dynamically update the compression level or strategy. See the description
of deflateInit2 for the meaning of these parameters. Previously provided of deflateInit2 for the meaning of these parameters.
data is flushed before the parameter change.
gzsetparams returns Z_OK if success, Z_STREAM_ERROR if the file was not gzsetparams returns Z_OK if success, or Z_STREAM_ERROR if the file was not
opened for writing, Z_ERRNO if there is an error writing the flushed data, opened for writing.
or Z_MEM_ERROR if there is a memory allocation error.
*/ */
ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len)); ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len));
@ -1412,35 +1335,7 @@ ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len));
case. case.
gzread returns the number of uncompressed bytes actually read, less than gzread returns the number of uncompressed bytes actually read, less than
len for end of file, or -1 for error. If len is too large to fit in an int, len for end of file, or -1 for error.
then nothing is read, -1 is returned, and the error state is set to
Z_STREAM_ERROR.
*/
ZEXTERN z_size_t ZEXPORT gzfread OF((voidp buf, z_size_t size, z_size_t nitems,
gzFile file));
/*
Read up to nitems items of size size from file to buf, otherwise operating
as gzread() does. This duplicates the interface of stdio's fread(), with
size_t request and return types. If the library defines size_t, then
z_size_t is identical to size_t. If not, then z_size_t is an unsigned
integer type that can contain a pointer.
gzfread() returns the number of full items read of size size, or zero if
the end of the file was reached and a full item could not be read, or if
there was an error. gzerror() must be consulted if zero is returned in
order to determine if there was an error. If the multiplication of size and
nitems overflows, i.e. the product does not fit in a z_size_t, then nothing
is read, zero is returned, and the error state is set to Z_STREAM_ERROR.
In the event that the end of file is reached and only a partial item is
available at the end, i.e. the remaining uncompressed data length is not a
multiple of size, then the final partial item is nevetheless read into buf
and the end-of-file flag is set. The length of the partial item read is not
provided, but could be inferred from the result of gztell(). This behavior
is the same as the behavior of fread() implementations in common libraries,
but it prevents the direct use of gzfread() to read a concurrently written
file, reseting and retrying on end-of-file, when size is not 1.
*/ */
ZEXTERN int ZEXPORT gzwrite OF((gzFile file, ZEXTERN int ZEXPORT gzwrite OF((gzFile file,
@ -1451,33 +1346,19 @@ ZEXTERN int ZEXPORT gzwrite OF((gzFile file,
error. error.
*/ */
ZEXTERN z_size_t ZEXPORT gzfwrite OF((voidpc buf, z_size_t size,
z_size_t nitems, gzFile file));
/*
gzfwrite() writes nitems items of size size from buf to file, duplicating
the interface of stdio's fwrite(), with size_t request and return types. If
the library defines size_t, then z_size_t is identical to size_t. If not,
then z_size_t is an unsigned integer type that can contain a pointer.
gzfwrite() returns the number of full items written of size size, or zero
if there was an error. If the multiplication of size and nitems overflows,
i.e. the product does not fit in a z_size_t, then nothing is written, zero
is returned, and the error state is set to Z_STREAM_ERROR.
*/
ZEXTERN int ZEXPORTVA gzprintf Z_ARG((gzFile file, const char *format, ...)); ZEXTERN int ZEXPORTVA gzprintf Z_ARG((gzFile file, const char *format, ...));
/* /*
Converts, formats, and writes the arguments to the compressed file under Converts, formats, and writes the arguments to the compressed file under
control of the format string, as in fprintf. gzprintf returns the number of control of the format string, as in fprintf. gzprintf returns the number of
uncompressed bytes actually written, or a negative zlib error code in case uncompressed bytes actually written, or 0 in case of error. The number of
of error. The number of uncompressed bytes written is limited to 8191, or uncompressed bytes written is limited to 8191, or one less than the buffer
one less than the buffer size given to gzbuffer(). The caller should assure size given to gzbuffer(). The caller should assure that this limit is not
that this limit is not exceeded. If it is exceeded, then gzprintf() will exceeded. If it is exceeded, then gzprintf() will return an error (0) with
return an error (0) with nothing written. In this case, there may also be a nothing written. In this case, there may also be a buffer overflow with
buffer overflow with unpredictable consequences, which is possible only if unpredictable consequences, which is possible only if zlib was compiled with
zlib was compiled with the insecure functions sprintf() or vsprintf() the insecure functions sprintf() or vsprintf() because the secure snprintf()
because the secure snprintf() or vsnprintf() functions were not available. or vsnprintf() functions were not available. This can be determined using
This can be determined using zlibCompileFlags(). zlibCompileFlags().
*/ */
ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s)); ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s));
@ -1537,7 +1418,7 @@ ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush));
If the flush parameter is Z_FINISH, the remaining data is written and the If the flush parameter is Z_FINISH, the remaining data is written and the
gzip stream is completed in the output. If gzwrite() is called again, a new gzip stream is completed in the output. If gzwrite() is called again, a new
gzip stream will be started in the output. gzread() is able to read such gzip stream will be started in the output. gzread() is able to read such
concatenated gzip streams. concatented gzip streams.
gzflush should be called only when strictly necessary because it will gzflush should be called only when strictly necessary because it will
degrade compression if called too often. degrade compression if called too often.
@ -1691,7 +1572,7 @@ ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len));
return the updated checksum. If buf is Z_NULL, this function returns the return the updated checksum. If buf is Z_NULL, this function returns the
required initial value for the checksum. required initial value for the checksum.
An Adler-32 checksum is almost as reliable as a CRC-32 but can be computed An Adler-32 checksum is almost as reliable as a CRC32 but can be computed
much faster. much faster.
Usage example: Usage example:
@ -1704,12 +1585,6 @@ ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len));
if (adler != original_adler) error(); if (adler != original_adler) error();
*/ */
ZEXTERN uLong ZEXPORT adler32_z OF((uLong adler, const Bytef *buf,
z_size_t len));
/*
Same as adler32(), but with a size_t length.
*/
/* /*
ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2, ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2,
z_off_t len2)); z_off_t len2));
@ -1739,12 +1614,6 @@ ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len));
if (crc != original_crc) error(); if (crc != original_crc) error();
*/ */
ZEXTERN uLong ZEXPORT crc32_z OF((uLong adler, const Bytef *buf,
z_size_t len));
/*
Same as crc32(), but with a size_t length.
*/
/* /*
ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2)); ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2));
@ -1775,21 +1644,6 @@ ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits,
unsigned char FAR *window, unsigned char FAR *window,
const char *version, const char *version,
int stream_size)); int stream_size));
#ifdef Z_PREFIX_SET
# define z_deflateInit(strm, level) \
deflateInit_((strm), (level), ZLIB_VERSION, (int)sizeof(z_stream))
# define z_inflateInit(strm) \
inflateInit_((strm), ZLIB_VERSION, (int)sizeof(z_stream))
# define z_deflateInit2(strm, level, method, windowBits, memLevel, strategy) \
deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\
(strategy), ZLIB_VERSION, (int)sizeof(z_stream))
# define z_inflateInit2(strm, windowBits) \
inflateInit2_((strm), (windowBits), ZLIB_VERSION, \
(int)sizeof(z_stream))
# define z_inflateBackInit(strm, windowBits, window) \
inflateBackInit_((strm), (windowBits), (window), \
ZLIB_VERSION, (int)sizeof(z_stream))
#else
#define deflateInit(strm, level) \ #define deflateInit(strm, level) \
deflateInit_((strm), (level), ZLIB_VERSION, (int)sizeof(z_stream)) deflateInit_((strm), (level), ZLIB_VERSION, (int)sizeof(z_stream))
#define inflateInit(strm) \ #define inflateInit(strm) \
@ -1803,7 +1657,6 @@ ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits,
#define inflateBackInit(strm, windowBits, window) \ #define inflateBackInit(strm, windowBits, window) \
inflateBackInit_((strm), (windowBits), (window), \ inflateBackInit_((strm), (windowBits), (window), \
ZLIB_VERSION, (int)sizeof(z_stream)) ZLIB_VERSION, (int)sizeof(z_stream))
#endif
#ifndef Z_SOLO #ifndef Z_SOLO
@ -1823,10 +1676,10 @@ ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file)); /* backward compatibility */
#ifdef Z_PREFIX_SET #ifdef Z_PREFIX_SET
# undef z_gzgetc # undef z_gzgetc
# define z_gzgetc(g) \ # define z_gzgetc(g) \
((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : (gzgetc)(g)) ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : gzgetc(g))
#else #else
# define gzgetc(g) \ # define gzgetc(g) \
((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : (gzgetc)(g)) ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : gzgetc(g))
#endif #endif
/* provide 64-bit offset functions if _LARGEFILE64_SOURCE defined, and/or /* provide 64-bit offset functions if _LARGEFILE64_SOURCE defined, and/or
@ -1884,16 +1737,19 @@ ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file)); /* backward compatibility */
#endif /* !Z_SOLO */ #endif /* !Z_SOLO */
/* hack for buggy compilers */
#if !defined(ZUTIL_H) && !defined(NO_DUMMY_DECL)
struct internal_state {int dummy;};
#endif
/* undocumented functions */ /* undocumented functions */
ZEXTERN const char * ZEXPORT zError OF((int)); ZEXTERN const char * ZEXPORT zError OF((int));
ZEXTERN int ZEXPORT inflateSyncPoint OF((z_streamp)); ZEXTERN int ZEXPORT inflateSyncPoint OF((z_streamp));
ZEXTERN const z_crc_t FAR * ZEXPORT get_crc_table OF((void)); ZEXTERN const z_crc_t FAR * ZEXPORT get_crc_table OF((void));
ZEXTERN int ZEXPORT inflateUndermine OF((z_streamp, int)); ZEXTERN int ZEXPORT inflateUndermine OF((z_streamp, int));
ZEXTERN int ZEXPORT inflateValidate OF((z_streamp, int));
ZEXTERN unsigned long ZEXPORT inflateCodesUsed OF ((z_streamp));
ZEXTERN int ZEXPORT inflateResetKeep OF((z_streamp)); ZEXTERN int ZEXPORT inflateResetKeep OF((z_streamp));
ZEXTERN int ZEXPORT deflateResetKeep OF((z_streamp)); ZEXTERN int ZEXPORT deflateResetKeep OF((z_streamp));
#if (defined(_WIN32) || defined(__CYGWIN__)) && !defined(Z_SOLO) #if defined(_WIN32) && !defined(Z_SOLO)
ZEXTERN gzFile ZEXPORT gzopen_w OF((const wchar_t *path, ZEXTERN gzFile ZEXPORT gzopen_w OF((const wchar_t *path,
const char *mode)); const char *mode));
#endif #endif

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@ -1,4 +1,4 @@
prefix=/home/luoliangyi/sane/code_app/third_party/zlib/kylin/amd64/zlib-1.2.11/release prefix=/home/luoliangyi/sane/code_app/third_party/zlib/kylin/amd64/zlib-1.2.8/release
exec_prefix=${prefix} exec_prefix=${prefix}
libdir=${exec_prefix}/lib libdir=${exec_prefix}/lib
sharedlibdir=${libdir} sharedlibdir=${libdir}
@ -6,7 +6,7 @@ includedir=${prefix}/include
Name: zlib Name: zlib
Description: zlib compression library Description: zlib compression library
Version: 1.2.11 Version: 1.2.8
Requires: Requires:
Libs: -L${libdir} -L${sharedlibdir} -lz Libs: -L${libdir} -L${sharedlibdir} -lz

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