@ -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 .13 , October 13 th , 2022 version 1.3 , August 18 th , 2023
Copyright ( C ) 1995 - 2022 Jean - loup Gailly and Mark Adler Copyright ( C ) 1995 - 2023 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 "1.2.1 3" # define ZLIB_VERSION "1.3"
# define ZLIB_VERNUM 0x12d 0 # define ZLIB_VERNUM 0x130 0
# define ZLIB_VER_MAJOR 1 # define ZLIB_VER_MAJOR 1
# define ZLIB_VER_MINOR 2 # define ZLIB_VER_MINOR 3
# define ZLIB_VER_REVISION 13 # define ZLIB_VER_REVISION 0
# define ZLIB_VER_SUBREVISION 0 # define ZLIB_VER_SUBREVISION 0
/*
/*
@ -78,8 +78,8 @@ extern "C" {
even in the case of corrupted input . even in the case of corrupted input .
*/ */
typedef voidpf ( * alloc_func ) OF ( ( voidpf opaque , uInt items , uInt size ) ) ; typedef voidpf ( * alloc_func ) ( voidpf opaque , uInt items , uInt size ) ;
typedef void ( * free_func ) OF ( ( voidpf opaque , voidpf address ) ) ; typedef void ( * free_func ) ( voidpf opaque , voidpf address ) ;
struct internal_state ; struct internal_state ;
@ -217,7 +217,7 @@ typedef gz_header FAR *gz_headerp;
/* basic functions */ /* basic functions */
ZEXTERN const char * ZEXPORT zlibVersion OF ( ( void ) ) ; ZEXTERN const char * ZEXPORT zlibVersion ( void ) ;
/* The application can compare zlibVersion and ZLIB_VERSION for consistency.
/* The application can compare zlibVersion and ZLIB_VERSION for consistency.
If the first character differs , the library code actually used is not If the first character differs , the library code actually used is not
compatible with the zlib . h header file used by the application . This check compatible with the zlib . h header file used by the application . This check
@ -225,12 +225,12 @@ ZEXTERN const char * ZEXPORT zlibVersion OF((void));
*/ */
/*
/*
ZEXTERN int ZEXPORT deflateInit OF ( ( z_streamp strm , int level ) ) ; ZEXTERN int ZEXPORT deflateInit ( z_streamp strm , int level ) ;
Initializes the internal stream state for compression . The fields Initializes the internal stream state for compression . The fields
zalloc , zfree and opaque must be initialized before by the caller . If zalloc , zfree and opaque must be initialized before by the caller . If
zalloc and zfree are set to Z_NULL , deflateInit updates them to use default zalloc and zfree are set to Z_NULL , deflateInit updates them to use default
allocation functions . allocation functions . total_in , total_out , adler , and msg are initialized .
The compression level must be Z_DEFAULT_COMPRESSION , or between 0 and 9 : The compression level must be Z_DEFAULT_COMPRESSION , or between 0 and 9 :
1 gives best speed , 9 gives best compression , 0 gives no compression at all 1 gives best speed , 9 gives best compression , 0 gives no compression at all
@ -247,7 +247,7 @@ ZEXTERN int ZEXPORT deflateInit OF((z_streamp strm, int level));
*/ */
ZEXTERN int ZEXPORT deflate OF ( ( z_streamp strm , int flush ) ) ; ZEXTERN int ZEXPORT deflate ( z_streamp strm , int flush ) ;
/*
/*
deflate compresses as much data as possible , and stops when the input deflate compresses as much data as possible , and stops when the input
buffer becomes empty or the output buffer becomes full . It may introduce buffer becomes empty or the output buffer becomes full . It may introduce
@ -320,8 +320,8 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
with the same value of the flush parameter and more output space ( updated with the same value of the flush parameter and more output space ( updated
avail_out ) , until the flush is complete ( deflate returns with non - zero avail_out ) , until the flush is complete ( deflate returns with non - zero
avail_out ) . In the case of a Z_FULL_FLUSH or Z_SYNC_FLUSH , make sure that avail_out ) . In the case of a Z_FULL_FLUSH or Z_SYNC_FLUSH , make sure that
avail_out is greater than six to avoid repeated flush markers due to avail_out is greater than six when the flush marker begins , in order to avoid
avail_out = = 0 on return . repeated flush markers upon calling deflate ( ) again when avail_out = = 0 .
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
@ -360,7 +360,7 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
*/ */
ZEXTERN int ZEXPORT deflateEnd OF ( ( z_streamp strm ) ) ; ZEXTERN int ZEXPORT deflateEnd ( z_streamp strm ) ;
/*
/*
All dynamically allocated data structures for this stream are freed . All dynamically allocated data structures for this stream are freed .
This function discards any unprocessed input and does not flush any pending This function discards any unprocessed input and does not flush any pending
@ -375,7 +375,7 @@ ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm));
/*
/*
ZEXTERN int ZEXPORT inflateInit OF ( ( z_streamp strm ) ) ; ZEXTERN int ZEXPORT inflateInit ( 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
@ -383,7 +383,8 @@ ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm));
read or consumed . The allocation of a sliding window will be deferred to read or consumed . The allocation of a sliding window will be deferred to
the first call of inflate ( if the decompression does not complete on the the first call of inflate ( if the decompression does not complete on the
first call ) . If zalloc and zfree are set to Z_NULL , inflateInit updates first call ) . If zalloc and zfree are set to Z_NULL , inflateInit updates
them to use default allocation functions . them to use default allocation functions . total_in , total_out , adler , and
msg are initialized .
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
@ -397,7 +398,7 @@ ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm));
*/ */
ZEXTERN int ZEXPORT inflate OF ( ( z_streamp strm , int flush ) ) ; ZEXTERN int ZEXPORT inflate ( z_streamp strm , int flush ) ;
/*
/*
inflate decompresses as much data as possible , and stops when the input inflate decompresses as much data as possible , and stops when the input
buffer becomes empty or the output buffer becomes full . It may introduce buffer becomes empty or the output buffer becomes full . It may introduce
@ -517,7 +518,7 @@ ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush));
*/ */
ZEXTERN int ZEXPORT inflateEnd OF ( ( z_streamp strm ) ) ; ZEXTERN int ZEXPORT inflateEnd ( z_streamp strm ) ;
/*
/*
All dynamically allocated data structures for this stream are freed . All dynamically allocated data structures for this stream are freed .
This function discards any unprocessed input and does not flush any pending This function discards any unprocessed input and does not flush any pending
@ -535,12 +536,12 @@ ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm));
*/ */
/*
/*
ZEXTERN int ZEXPORT deflateInit2 OF ( ( z_streamp strm , ZEXTERN int ZEXPORT deflateInit2 ( z_streamp strm ,
int level , int level ,
int method , int method ,
int windowBits , int windowBits ,
int memLevel , int memLevel ,
int strategy ) ) ; int strategy ) ;
This is another version of deflateInit with more compression options . The This is another version of deflateInit with more compression options . The
fields zalloc , zfree and opaque must be initialized before by the caller . fields zalloc , zfree and opaque must be initialized before by the caller .
@ -607,9 +608,9 @@ ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm,
compression : this will be done by deflate ( ) . compression : this will be done by deflate ( ) .
*/ */
ZEXTERN int ZEXPORT deflateSetDictionary OF ( ( z_streamp strm , ZEXTERN int ZEXPORT deflateSetDictionary ( z_streamp strm ,
const Bytef * dictionary , const Bytef * dictionary ,
uInt dictLength ) ) ; uInt dictLength ) ;
/*
/*
Initializes the compression dictionary from the given byte sequence Initializes the compression dictionary from the given byte sequence
without producing any compressed output . When using the zlib format , this without producing any compressed output . When using the zlib format , this
@ -651,9 +652,9 @@ 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 , ZEXTERN int ZEXPORT deflateGetDictionary ( z_streamp strm ,
Bytef * dictionary , Bytef * dictionary ,
uInt * dictLength ) ) ; uInt * dictLength ) ;
/*
/*
Returns the sliding dictionary being maintained by deflate . dictLength is 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 set to the number of bytes in the dictionary , and that many bytes are copied
@ -673,8 +674,8 @@ ZEXTERN int ZEXPORT deflateGetDictionary OF((z_streamp strm,
stream state is inconsistent . stream state is inconsistent .
*/ */
ZEXTERN int ZEXPORT deflateCopy OF ( ( z_streamp dest , ZEXTERN int ZEXPORT deflateCopy ( z_streamp dest ,
z_streamp source ) ) ; z_streamp source ) ;
/*
/*
Sets the destination stream as a complete copy of the source stream . Sets the destination stream as a complete copy of the source stream .
@ -691,20 +692,20 @@ ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest,
destination . destination .
*/ */
ZEXTERN int ZEXPORT deflateReset OF ( ( z_streamp strm ) ) ; ZEXTERN int ZEXPORT deflateReset ( z_streamp strm ) ;
/*
/*
This function is equivalent to deflateEnd followed by deflateInit , but This function is equivalent to deflateEnd followed by deflateInit , but
does not free and reallocate the internal compression state . The stream does not free and reallocate the internal compression state . The stream
will leave the compression level and any other attributes that may have been will leave the compression level and any other attributes that may have been
set unchanged . set unchanged . total_in , total_out , adler , and msg are initialized .
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 ) .
*/ */
ZEXTERN int ZEXPORT deflateParams OF ( ( z_streamp strm , ZEXTERN int ZEXPORT deflateParams ( z_streamp strm ,
int level , int level ,
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
@ -729,7 +730,7 @@ ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm,
Then no more input data should be provided before the deflateParams ( ) call . 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 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 compressed before deflateParams ( ) , and the new level and strategy will be
applied to the the data compressed after deflateParams ( ) . applied to the data compressed after deflateParams ( ) .
deflateParams returns Z_OK on success , Z_STREAM_ERROR if the source stream 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 state was inconsistent or if a parameter was invalid , or Z_BUF_ERROR if
@ -740,11 +741,11 @@ ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm,
retried with more output space . retried with more output space .
*/ */
ZEXTERN int ZEXPORT deflateTune OF ( ( z_streamp strm , ZEXTERN int ZEXPORT deflateTune ( z_streamp strm ,
int good_length , int good_length ,
int max_lazy , int max_lazy ,
int nice_length , int nice_length ,
int max_chain ) ) ; int max_chain ) ;
/*
/*
Fine tune deflate ' s internal compression parameters . This should only be Fine tune deflate ' s internal compression parameters . This should only be
used by someone who understands the algorithm used by zlib ' s deflate for used by someone who understands the algorithm used by zlib ' s deflate for
@ -757,8 +758,8 @@ ZEXTERN int ZEXPORT deflateTune OF((z_streamp strm,
returns Z_OK on success , or Z_STREAM_ERROR for an invalid deflate stream . returns Z_OK on success , or Z_STREAM_ERROR for an invalid deflate stream .
*/ */
ZEXTERN uLong ZEXPORT deflateBound OF ( ( z_streamp strm , ZEXTERN uLong ZEXPORT deflateBound ( z_streamp strm ,
uLong sourceLen ) ) ; uLong sourceLen ) ;
/*
/*
deflateBound ( ) returns an upper bound on the compressed size after deflateBound ( ) returns an upper bound on the compressed size after
deflation of sourceLen bytes . It must be called after deflateInit ( ) or deflation of sourceLen bytes . It must be called after deflateInit ( ) or
@ -772,9 +773,9 @@ ZEXTERN uLong ZEXPORT deflateBound OF((z_streamp strm,
than Z_FINISH or Z_NO_FLUSH are used . than Z_FINISH or Z_NO_FLUSH are used .
*/ */
ZEXTERN int ZEXPORT deflatePending OF ( ( z_streamp strm , ZEXTERN int ZEXPORT deflatePending ( z_streamp strm ,
unsigned * pending , unsigned * pending ,
int * bits ) ) ; int * bits ) ;
/*
/*
deflatePending ( ) returns the number of bytes and bits of output that have deflatePending ( ) returns the number of bytes and bits of output that have
been generated , but not yet provided in the available output . The bytes not been generated , but not yet provided in the available output . The bytes not
@ -787,9 +788,9 @@ ZEXTERN int ZEXPORT deflatePending OF((z_streamp strm,
stream state was inconsistent . stream state was inconsistent .
*/ */
ZEXTERN int ZEXPORT deflatePrime OF ( ( z_streamp strm , ZEXTERN int ZEXPORT deflatePrime ( z_streamp strm ,
int bits , int bits ,
int value ) ) ; int value ) ;
/*
/*
deflatePrime ( ) inserts bits in the deflate output stream . The intent deflatePrime ( ) inserts bits in the deflate output stream . The intent
is that this function is used to start off the deflate output with the bits is that this function is used to start off the deflate output with the bits
@ -804,8 +805,8 @@ ZEXTERN int ZEXPORT deflatePrime OF((z_streamp strm,
source stream state was inconsistent . source stream state was inconsistent .
*/ */
ZEXTERN int ZEXPORT deflateSetHeader OF ( ( z_streamp strm , ZEXTERN int ZEXPORT deflateSetHeader ( z_streamp strm ,
gz_headerp head ) ) ; gz_headerp head ) ;
/*
/*
deflateSetHeader ( ) provides gzip header information for when a gzip deflateSetHeader ( ) provides gzip header information for when a gzip
stream is requested by deflateInit2 ( ) . deflateSetHeader ( ) may be called stream is requested by deflateInit2 ( ) . deflateSetHeader ( ) may be called
@ -821,16 +822,17 @@ ZEXTERN int ZEXPORT deflateSetHeader OF((z_streamp strm,
gzip file " and give up. gzip file " and give up.
If deflateSetHeader is not used , the default gzip header has text false , If deflateSetHeader is not used , the default gzip header has text false ,
the time set to zero , and os set to 255 , with no extra , name , or comment the time set to zero , and os set to the current operating system , with no
fields . The gzip header is returned to the default state by deflateReset ( ) . extra , name , or comment fields . The gzip header is returned to the default
state by deflateReset ( ) .
deflateSetHeader returns Z_OK if success , or Z_STREAM_ERROR if the source deflateSetHeader returns Z_OK if success , or Z_STREAM_ERROR if the source
stream state was inconsistent . stream state was inconsistent .
*/ */
/*
/*
ZEXTERN int ZEXPORT inflateInit2 OF ( ( z_streamp strm , ZEXTERN int ZEXPORT inflateInit2 ( z_streamp strm ,
int windowBits ) ) ; int windowBits ) ;
This is another version of inflateInit with an extra parameter . The This is another version of inflateInit with an extra parameter . The
fields next_in , avail_in , zalloc , zfree and opaque must be initialized fields next_in , avail_in , zalloc , zfree and opaque must be initialized
@ -883,9 +885,9 @@ ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm,
deferred until inflate ( ) is called . deferred until inflate ( ) is called .
*/ */
ZEXTERN int ZEXPORT inflateSetDictionary OF ( ( z_streamp strm , ZEXTERN int ZEXPORT inflateSetDictionary ( z_streamp strm ,
const Bytef * dictionary , const Bytef * dictionary ,
uInt dictLength ) ) ; uInt dictLength ) ;
/*
/*
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 ,
@ -906,9 +908,9 @@ ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm,
inflate ( ) . inflate ( ) .
*/ */
ZEXTERN int ZEXPORT inflateGetDictionary OF ( ( z_streamp strm , ZEXTERN int ZEXPORT inflateGetDictionary ( z_streamp strm ,
Bytef * dictionary , Bytef * dictionary ,
uInt * dictLength ) ) ; uInt * dictLength ) ;
/*
/*
Returns the sliding dictionary being maintained by inflate . dictLength is Returns the sliding dictionary being maintained by inflate . dictLength is
set to the number of bytes in the dictionary , and that many bytes are copied set to the number of bytes in the dictionary , and that many bytes are copied
@ -921,7 +923,7 @@ ZEXTERN int ZEXPORT inflateGetDictionary OF((z_streamp strm,
stream state is inconsistent . stream state is inconsistent .
*/ */
ZEXTERN int ZEXPORT inflateSync OF ( ( z_streamp strm ) ) ; ZEXTERN int ZEXPORT inflateSync ( z_streamp strm ) ;
/*
/*
Skips invalid compressed data until a possible full flush point ( see above Skips invalid compressed data until a possible full flush point ( see above
for the description of deflate with Z_FULL_FLUSH ) can be found , or until all for the description of deflate with Z_FULL_FLUSH ) can be found , or until all
@ -940,8 +942,8 @@ ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm));
input each time , until success or end of the input data . input each time , until success or end of the input data .
*/ */
ZEXTERN int ZEXPORT inflateCopy OF ( ( z_streamp dest , ZEXTERN int ZEXPORT inflateCopy ( z_streamp dest ,
z_streamp source ) ) ; z_streamp source ) ;
/*
/*
Sets the destination stream as a complete copy of the source stream . Sets the destination stream as a complete copy of the source stream .
@ -956,18 +958,19 @@ ZEXTERN int ZEXPORT inflateCopy OF((z_streamp dest,
destination . destination .
*/ */
ZEXTERN int ZEXPORT inflateReset OF ( ( z_streamp strm ) ) ; ZEXTERN int ZEXPORT inflateReset ( 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 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 .
total_in , total_out , adler , and msg are initialized .
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
stream state was inconsistent ( such as zalloc or state being Z_NULL ) . stream state was inconsistent ( such as zalloc or state being Z_NULL ) .
*/ */
ZEXTERN int ZEXPORT inflateReset2 OF ( ( z_streamp strm , ZEXTERN int ZEXPORT inflateReset2 ( z_streamp strm ,
int windowBits ) ) ; int windowBits ) ;
/*
/*
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
@ -980,9 +983,9 @@ ZEXTERN int ZEXPORT inflateReset2 OF((z_streamp strm,
the windowBits parameter is invalid . the windowBits parameter is invalid .
*/ */
ZEXTERN int ZEXPORT inflatePrime OF ( ( z_streamp strm , ZEXTERN int ZEXPORT inflatePrime ( z_streamp strm ,
int bits , int bits ,
int value ) ) ; int value ) ;
/*
/*
This function inserts bits in the inflate input stream . The intent is This function inserts bits in the inflate input stream . The intent is
that this function is used to start inflating at a bit position in the that this function is used to start inflating at a bit position in the
@ -1001,7 +1004,7 @@ ZEXTERN int ZEXPORT inflatePrime OF((z_streamp strm,
stream state was inconsistent . stream state was inconsistent .
*/ */
ZEXTERN long ZEXPORT inflateMark OF ( ( z_streamp strm ) ) ; ZEXTERN long ZEXPORT inflateMark ( z_streamp strm ) ;
/*
/*
This function returns two values , one in the lower 16 bits of the return This function returns two values , one in the lower 16 bits of the return
value , and the other in the remaining upper bits , obtained by shifting the value , and the other in the remaining upper bits , obtained by shifting the
@ -1029,8 +1032,8 @@ ZEXTERN long ZEXPORT inflateMark OF((z_streamp strm));
source stream state was inconsistent . source stream state was inconsistent .
*/ */
ZEXTERN int ZEXPORT inflateGetHeader OF ( ( z_streamp strm , ZEXTERN int ZEXPORT inflateGetHeader ( z_streamp strm ,
gz_headerp head ) ) ; gz_headerp head ) ;
/*
/*
inflateGetHeader ( ) requests that gzip header information be stored in the inflateGetHeader ( ) requests that gzip header information be stored in the
provided gz_header structure . inflateGetHeader ( ) may be called after provided gz_header structure . inflateGetHeader ( ) may be called after
@ -1070,8 +1073,8 @@ ZEXTERN int ZEXPORT inflateGetHeader OF((z_streamp strm,
*/ */
/*
/*
ZEXTERN int ZEXPORT inflateBackInit OF ( ( z_streamp strm , int windowBits , ZEXTERN int ZEXPORT inflateBackInit ( z_streamp strm , int windowBits ,
unsigned char FAR * window ) ) ; unsigned char FAR * window ) ;
Initialize the internal stream state for decompression using inflateBack ( ) Initialize the internal stream state for decompression using inflateBack ( )
calls . The fields zalloc , zfree and opaque in strm must be initialized calls . The fields zalloc , zfree and opaque in strm must be initialized
@ -1091,13 +1094,13 @@ ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits,
the version of the header file . the version of the header file .
*/ */
typedef unsigned ( * in_func ) OF ( ( void FAR * , typedef unsigned ( * in_func ) ( void FAR * ,
z_const unsigned char FAR * FAR * ) ) ; z_const unsigned char FAR * FAR * ) ;
typedef int ( * out_func ) OF ( ( void FAR * , unsigned char FAR * , unsigned ) ) ; typedef int ( * out_func ) ( void FAR * , unsigned char FAR * , unsigned ) ;
ZEXTERN int ZEXPORT inflateBack OF ( ( z_streamp strm , ZEXTERN int ZEXPORT inflateBack ( z_streamp strm ,
in_func in , void FAR * in_desc , in_func in , void FAR * in_desc ,
out_func out , void FAR * out_desc ) ) ; out_func out , void FAR * out_desc ) ;
/*
/*
inflateBack ( ) does a raw inflate with a single call using a call - back inflateBack ( ) does a raw inflate with a single call using a call - back
interface for input and output . This is potentially more efficient than interface for input and output . This is potentially more efficient than
@ -1165,7 +1168,7 @@ ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm,
cannot return Z_OK . cannot return Z_OK .
*/ */
ZEXTERN int ZEXPORT inflateBackEnd OF ( ( z_streamp strm ) ) ; ZEXTERN int ZEXPORT inflateBackEnd ( z_streamp strm ) ;
/*
/*
All memory allocated by inflateBackInit ( ) is freed . All memory allocated by inflateBackInit ( ) is freed .
@ -1173,7 +1176,7 @@ ZEXTERN int ZEXPORT inflateBackEnd OF((z_streamp strm));
state was inconsistent . state was inconsistent .
*/ */
ZEXTERN uLong ZEXPORT zlibCompileFlags OF ( ( void ) ) ; ZEXTERN uLong ZEXPORT zlibCompileFlags ( void ) ;
/* Return flags indicating compile-time options.
/* Return flags indicating compile-time options.
Type sizes , two bits each , 00 = 16 bits , 01 = 32 , 10 = 64 , 11 = other : Type sizes , two bits each , 00 = 16 bits , 01 = 32 , 10 = 64 , 11 = other :
@ -1226,8 +1229,8 @@ ZEXTERN uLong ZEXPORT zlibCompileFlags OF((void));
you need special options . you need special options .
*/ */
ZEXTERN int ZEXPORT compress OF ( ( Bytef * dest , uLongf * destLen , ZEXTERN int ZEXPORT compress ( Bytef * dest , uLongf * destLen ,
const Bytef * source , uLong sourceLen ) ) ; const Bytef * source , uLong sourceLen ) ;
/*
/*
Compresses the source buffer into the destination buffer . sourceLen is Compresses the source buffer into the destination buffer . sourceLen is
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
@ -1241,9 +1244,9 @@ ZEXTERN int ZEXPORT compress OF((Bytef *dest, uLongf *destLen,
buffer . buffer .
*/ */
ZEXTERN int ZEXPORT compress2 OF ( ( Bytef * dest , uLongf * destLen , ZEXTERN int ZEXPORT compress2 ( Bytef * dest , uLongf * destLen ,
const Bytef * source , uLong sourceLen , const Bytef * source , uLong sourceLen ,
int level ) ) ; int level ) ;
/*
/*
Compresses the source buffer into the destination buffer . The level Compresses the source buffer into the destination buffer . The level
parameter has the same meaning as in deflateInit . sourceLen is the byte parameter has the same meaning as in deflateInit . sourceLen is the byte
@ -1257,15 +1260,15 @@ ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen,
Z_STREAM_ERROR if the level parameter is invalid . Z_STREAM_ERROR if the level parameter is invalid .
*/ */
ZEXTERN uLong ZEXPORT compressBound OF ( ( uLong sourceLen ) ) ; ZEXTERN uLong ZEXPORT compressBound ( uLong sourceLen ) ;
/*
/*
compressBound ( ) returns an upper bound on the compressed size after compressBound ( ) returns an upper bound on the compressed size after
compress ( ) or compress2 ( ) on sourceLen bytes . It would be used before a compress ( ) or compress2 ( ) on sourceLen bytes . It would be used before a
compress ( ) or compress2 ( ) call to allocate the destination buffer . compress ( ) or compress2 ( ) call to allocate the destination buffer .
*/ */
ZEXTERN int ZEXPORT uncompress OF ( ( Bytef * dest , uLongf * destLen , ZEXTERN int ZEXPORT uncompress ( Bytef * dest , uLongf * destLen ,
const Bytef * source , uLong sourceLen ) ) ; const Bytef * source , uLong sourceLen ) ;
/*
/*
Decompresses the source buffer into the destination buffer . sourceLen is Decompresses the source buffer into the destination buffer . sourceLen is
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
@ -1282,8 +1285,8 @@ 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 , ZEXTERN int ZEXPORT uncompress2 ( Bytef * dest , uLongf * destLen ,
const Bytef * source , uLong * sourceLen ) ) ; const Bytef * source , uLong * sourceLen ) ;
/*
/*
Same as uncompress , except that sourceLen is a pointer , where the Same as uncompress , except that sourceLen is a pointer , where the
length of the source is * sourceLen . On return , * sourceLen is the number of length of the source is * sourceLen . On return , * sourceLen is the number of
@ -1302,7 +1305,7 @@ ZEXTERN int ZEXPORT uncompress2 OF((Bytef *dest, uLongf *destLen,
typedef struct gzFile_s * gzFile ; /* semi-opaque gzip file descriptor */ typedef struct gzFile_s * gzFile ; /* semi-opaque gzip file descriptor */
/*
/*
ZEXTERN gzFile ZEXPORT gzopen OF ( ( const char * path , const char * mode ) ) ; ZEXTERN gzFile ZEXPORT gzopen ( const char * path , const char * mode ) ;
Open the gzip ( . gz ) file at path for reading and decompressing , or Open the gzip ( . gz ) file at path for reading and decompressing , or
compressing and writing . The mode parameter is as in fopen ( " rb " or " wb " ) compressing and writing . The mode parameter is as in fopen ( " rb " or " wb " )
@ -1339,7 +1342,7 @@ ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode));
file could not be opened . file could not be opened .
*/ */
ZEXTERN gzFile ZEXPORT gzdopen OF ( ( int fd , const char * mode ) ) ; ZEXTERN gzFile ZEXPORT gzdopen ( int fd , const char * mode ) ;
/*
/*
Associate a gzFile with the file descriptor fd . File descriptors are Associate a gzFile with the file descriptor fd . File descriptors are
obtained from calls like open , dup , creat , pipe or fileno ( if the file has obtained from calls like open , dup , creat , pipe or fileno ( if the file has
@ -1362,7 +1365,7 @@ ZEXTERN gzFile ZEXPORT gzdopen OF((int fd, const char *mode));
will not detect if fd is invalid ( unless fd is - 1 ) . will not detect if fd is invalid ( unless fd is - 1 ) .
*/ */
ZEXTERN int ZEXPORT gzbuffer OF ( ( gzFile file , unsigned size ) ) ; ZEXTERN int ZEXPORT gzbuffer ( gzFile file , unsigned size ) ;
/*
/*
Set the internal buffer size used by this library ' s functions for file to Set the internal buffer size used by this library ' s functions for file to
size . The default buffer size is 8192 bytes . This function must be called size . The default buffer size is 8192 bytes . This function must be called
@ -1378,7 +1381,7 @@ ZEXTERN int ZEXPORT gzbuffer OF((gzFile file, unsigned size));
too late . too late .
*/ */
ZEXTERN int ZEXPORT gzsetparams OF ( ( gzFile file , int level , int strategy ) ) ; ZEXTERN int ZEXPORT gzsetparams ( gzFile file , int level , int strategy ) ;
/*
/*
Dynamically update the compression level and strategy for file . See the Dynamically update the compression level and strategy for file . See the
description of deflateInit2 for the meaning of these parameters . Previously description of deflateInit2 for the meaning of these parameters . Previously
@ -1389,7 +1392,7 @@ ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy));
or Z_MEM_ERROR if there is a memory allocation error . 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 ( gzFile file , voidp buf , unsigned len ) ;
/*
/*
Read and decompress up to len uncompressed bytes from file into buf . If Read and decompress up to len uncompressed bytes from file into buf . If
the input file is not in gzip format , gzread copies the given number of the input file is not in gzip format , gzread copies the given number of
@ -1419,8 +1422,8 @@ ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len));
Z_STREAM_ERROR . Z_STREAM_ERROR .
*/ */
ZEXTERN z_size_t ZEXPORT gzfread OF ( ( voidp buf , z_size_t size , z_size_t nitems , ZEXTERN z_size_t ZEXPORT gzfread ( voidp buf , z_size_t size , z_size_t nitems ,
gzFile file ) ) ; gzFile file ) ;
/*
/*
Read and decompress up to nitems items of size size from file into buf , Read and decompress up to nitems items of size size from file into buf ,
otherwise operating as gzread ( ) does . This duplicates the interface of otherwise operating as gzread ( ) does . This duplicates the interface of
@ -1445,14 +1448,14 @@ ZEXTERN z_size_t ZEXPORT gzfread OF((voidp buf, z_size_t size, z_size_t nitems,
file , resetting and retrying on end - of - file , when size is not 1. file , resetting and retrying on end - of - file , when size is not 1.
*/ */
ZEXTERN int ZEXPORT gzwrite OF ( ( gzFile file , voidpc buf , unsigned len ) ) ; ZEXTERN int ZEXPORT gzwrite ( gzFile file , voidpc buf , unsigned len ) ;
/*
/*
Compress and write the len uncompressed bytes at buf to file . gzwrite Compress and write the len uncompressed bytes at buf to file . gzwrite
returns the number of uncompressed bytes written or 0 in case of error . returns the number of uncompressed bytes written or 0 in case of error .
*/ */
ZEXTERN z_size_t ZEXPORT gzfwrite OF ( ( voidpc buf , z_size_t size , ZEXTERN z_size_t ZEXPORT gzfwrite ( voidpc buf , z_size_t size ,
z_size_t nitems , gzFile file ) ) ; z_size_t nitems , gzFile file ) ;
/*
/*
Compress and write nitems items of size size from buf to file , duplicating Compress and write 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 interface of stdio ' s fwrite ( ) , with size_t request and return types . If
@ -1465,7 +1468,7 @@ ZEXTERN z_size_t ZEXPORT gzfwrite OF((voidpc buf, z_size_t size,
is returned , and the error state is set to Z_STREAM_ERROR . 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 ( gzFile file , const char * format , . . . ) ;
/*
/*
Convert , format , compress , and write the arguments ( . . . ) to file under Convert , format , compress , and write the arguments ( . . . ) to file under
control of the string format , as in fprintf . gzprintf returns the number of control of the string format , as in fprintf . gzprintf returns the number of
@ -1480,7 +1483,7 @@ ZEXTERN int ZEXPORTVA gzprintf Z_ARG((gzFile file, const char *format, ...));
This can be determined using zlibCompileFlags ( ) . This can be determined using zlibCompileFlags ( ) .
*/ */
ZEXTERN int ZEXPORT gzputs OF ( ( gzFile file , const char * s ) ) ; ZEXTERN int ZEXPORT gzputs ( gzFile file , const char * s ) ;
/*
/*
Compress and write the given null - terminated string s to file , excluding Compress and write the given null - terminated string s to file , excluding
the terminating null character . the terminating null character .
@ -1488,7 +1491,7 @@ ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s));
gzputs returns the number of characters written , or - 1 in case of error . gzputs returns the number of characters written , or - 1 in case of error .
*/ */
ZEXTERN char * ZEXPORT gzgets OF ( ( gzFile file , char * buf , int len ) ) ; ZEXTERN char * ZEXPORT gzgets ( gzFile file , char * buf , int len ) ;
/*
/*
Read and decompress bytes from file into buf , until len - 1 characters are Read and decompress bytes from file into buf , until len - 1 characters are
read , or until a newline character is read and transferred to buf , or an read , or until a newline character is read and transferred to buf , or an
@ -1502,13 +1505,13 @@ ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len));
buf are indeterminate . buf are indeterminate .
*/ */
ZEXTERN int ZEXPORT gzputc OF ( ( gzFile file , int c ) ) ; ZEXTERN int ZEXPORT gzputc ( gzFile file , int c ) ;
/*
/*
Compress and write c , converted to an unsigned char , into file . gzputc Compress and write c , converted to an unsigned char , into file . gzputc
returns the value that was written , or - 1 in case of error . returns the value that was written , or - 1 in case of error .
*/ */
ZEXTERN int ZEXPORT gzgetc OF ( ( gzFile file ) ) ; ZEXTERN int ZEXPORT gzgetc ( gzFile file ) ;
/*
/*
Read and decompress one byte from file . gzgetc returns this byte or - 1 Read and decompress one byte from file . gzgetc returns this byte or - 1
in case of end of file or error . This is implemented as a macro for speed . in case of end of file or error . This is implemented as a macro for speed .
@ -1517,7 +1520,7 @@ ZEXTERN int ZEXPORT gzgetc OF((gzFile file));
points to has been clobbered or not . points to has been clobbered or not .
*/ */
ZEXTERN int ZEXPORT gzungetc OF ( ( int c , gzFile file ) ) ; ZEXTERN int ZEXPORT gzungetc ( int c , gzFile file ) ;
/*
/*
Push c back onto the stream for file to be read as the first character on Push c back onto the stream for file to be read as the first character on
the next read . At least one character of push - back is always allowed . the next read . At least one character of push - back is always allowed .
@ -1529,7 +1532,7 @@ ZEXTERN int ZEXPORT gzungetc OF((int c, gzFile file));
gzseek ( ) or gzrewind ( ) . gzseek ( ) or gzrewind ( ) .
*/ */
ZEXTERN int ZEXPORT gzflush OF ( ( gzFile file , int flush ) ) ; ZEXTERN int ZEXPORT gzflush ( gzFile file , int flush ) ;
/*
/*
Flush all pending output to file . The parameter flush is as in the Flush all pending output to file . The parameter flush is as in the
deflate ( ) function . The return value is the zlib error number ( see function deflate ( ) function . The return value is the zlib error number ( see function
@ -1545,8 +1548,8 @@ ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush));
*/ */
/*
/*
ZEXTERN z_off_t ZEXPORT gzseek OF ( ( gzFile file , ZEXTERN z_off_t ZEXPORT gzseek ( gzFile file ,
z_off_t offset , int whence ) ) ; z_off_t offset , int whence ) ;
Set the starting position to offset relative to whence for the next gzread Set the starting position to offset relative to whence for the next gzread
or gzwrite on file . The offset represents a number of bytes in the or gzwrite on file . The offset represents a number of bytes in the
@ -1564,7 +1567,7 @@ ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file,
would be before the current position . would be before the current position .
*/ */
ZEXTERN int ZEXPORT gzrewind OF ( ( gzFile file ) ) ; ZEXTERN int ZEXPORT gzrewind ( gzFile file ) ;
/*
/*
Rewind file . This function is supported only for reading . Rewind file . This function is supported only for reading .
@ -1572,7 +1575,7 @@ ZEXTERN int ZEXPORT gzrewind OF((gzFile file));
*/ */
/*
/*
ZEXTERN z_off_t ZEXPORT gztell OF ( ( gzFile file ) ) ; ZEXTERN z_off_t ZEXPORT gztell ( gzFile file ) ;
Return the starting position for the next gzread or gzwrite on file . Return the starting position for the next gzread or gzwrite on file .
This position represents a number of bytes in the uncompressed data stream , This position represents a number of bytes in the uncompressed data stream ,
@ -1583,7 +1586,7 @@ ZEXTERN z_off_t ZEXPORT gztell OF((gzFile file));
*/ */
/*
/*
ZEXTERN z_off_t ZEXPORT gzoffset OF ( ( gzFile file ) ) ; ZEXTERN z_off_t ZEXPORT gzoffset ( gzFile file ) ;
Return the current compressed ( actual ) read or write offset of file . This Return the current compressed ( actual ) read or write offset of file . This
offset includes the count of bytes that precede the gzip stream , for example offset includes the count of bytes that precede the gzip stream , for example
@ -1592,7 +1595,7 @@ ZEXTERN z_off_t ZEXPORT gzoffset OF((gzFile file));
be used for a progress indicator . On error , gzoffset ( ) returns - 1. be used for a progress indicator . On error , gzoffset ( ) returns - 1.
*/ */
ZEXTERN int ZEXPORT gzeof OF ( ( gzFile file ) ) ; ZEXTERN int ZEXPORT gzeof ( gzFile file ) ;
/*
/*
Return true ( 1 ) if the end - of - file indicator for file has been set while Return true ( 1 ) if the end - of - file indicator for file has been set while
reading , false ( 0 ) otherwise . Note that the end - of - file indicator is set reading , false ( 0 ) otherwise . Note that the end - of - file indicator is set
@ -1607,7 +1610,7 @@ ZEXTERN int ZEXPORT gzeof OF((gzFile file));
has grown since the previous end of file was detected . has grown since the previous end of file was detected .
*/ */
ZEXTERN int ZEXPORT gzdirect OF ( ( gzFile file ) ) ; ZEXTERN int ZEXPORT gzdirect ( gzFile file ) ;
/*
/*
Return true ( 1 ) if file is being copied directly while reading , or false Return true ( 1 ) if file is being copied directly while reading , or false
( 0 ) if file is a gzip stream being decompressed . ( 0 ) if file is a gzip stream being decompressed .
@ -1628,7 +1631,7 @@ ZEXTERN int ZEXPORT gzdirect OF((gzFile file));
gzip file reading and decompression , which may not be desired . ) gzip file reading and decompression , which may not be desired . )
*/ */
ZEXTERN int ZEXPORT gzclose OF ( ( gzFile file ) ) ; ZEXTERN int ZEXPORT gzclose ( gzFile file ) ;
/*
/*
Flush all pending output for file , if necessary , close file and Flush all pending output for file , if necessary , close file and
deallocate the ( de ) compression state . Note that once file is closed , you deallocate the ( de ) compression state . Note that once file is closed , you
@ -1641,8 +1644,8 @@ ZEXTERN int ZEXPORT gzclose OF((gzFile file));
last read ended in the middle of a gzip stream , or Z_OK on success . last read ended in the middle of a gzip stream , or Z_OK on success .
*/ */
ZEXTERN int ZEXPORT gzclose_r OF ( ( gzFile file ) ) ; ZEXTERN int ZEXPORT gzclose_r ( gzFile file ) ;
ZEXTERN int ZEXPORT gzclose_w OF ( ( gzFile file ) ) ; ZEXTERN int ZEXPORT gzclose_w ( gzFile file ) ;
/*
/*
Same as gzclose ( ) , but gzclose_r ( ) is only for use when reading , and Same as gzclose ( ) , but gzclose_r ( ) is only for use when reading , and
gzclose_w ( ) is only for use when writing or appending . The advantage to gzclose_w ( ) is only for use when writing or appending . The advantage to
@ -1653,7 +1656,7 @@ ZEXTERN int ZEXPORT gzclose_w OF((gzFile file));
zlib library . zlib library .
*/ */
ZEXTERN const char * ZEXPORT gzerror OF ( ( gzFile file , int * errnum ) ) ; ZEXTERN const char * ZEXPORT gzerror ( gzFile file , int * errnum ) ;
/*
/*
Return the error message for the last error which occurred on file . Return the error message for the last error which occurred on file .
errnum is set to zlib error number . If an error occurred in the file system errnum is set to zlib error number . If an error occurred in the file system
@ -1669,7 +1672,7 @@ ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum));
functions above that do not distinguish those cases in their return values . functions above that do not distinguish those cases in their return values .
*/ */
ZEXTERN void ZEXPORT gzclearerr OF ( ( gzFile file ) ) ; ZEXTERN void ZEXPORT gzclearerr ( gzFile file ) ;
/*
/*
Clear the error and end - of - file flags for file . This is analogous to the Clear the error and end - of - file flags for file . This is analogous to the
clearerr ( ) function in stdio . This is useful for continuing to read a gzip clearerr ( ) function in stdio . This is useful for continuing to read a gzip
@ -1686,7 +1689,7 @@ ZEXTERN void ZEXPORT gzclearerr OF((gzFile file));
library . library .
*/ */
ZEXTERN uLong ZEXPORT adler32 OF ( ( uLong adler , const Bytef * buf , uInt len ) ) ; ZEXTERN uLong ZEXPORT adler32 ( uLong adler , const Bytef * buf , uInt len ) ;
/*
/*
Update a running Adler - 32 checksum with the bytes buf [ 0. . len - 1 ] and Update a running Adler - 32 checksum with the bytes buf [ 0. . len - 1 ] and
return the updated checksum . An Adler - 32 value is in the range of a 32 - bit return the updated checksum . An Adler - 32 value is in the range of a 32 - bit
@ -1706,15 +1709,15 @@ 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 , ZEXTERN uLong ZEXPORT adler32_z ( uLong adler , const Bytef * buf ,
z_size_t len ) ) ; z_size_t len ) ;
/*
/*
Same as adler32 ( ) , but with a size_t length . Same as adler32 ( ) , but with a size_t length .
*/ */
/*
/*
ZEXTERN uLong ZEXPORT adler32_combine OF ( ( uLong adler1 , uLong adler2 , ZEXTERN uLong ZEXPORT adler32_combine ( uLong adler1 , uLong adler2 ,
z_off_t len2 ) ) ; z_off_t len2 ) ;
Combine two Adler - 32 checksums into one . For two sequences of bytes , seq1 Combine two Adler - 32 checksums into one . For two sequences of bytes , seq1
and seq2 with lengths len1 and len2 , Adler - 32 checksums were calculated for and seq2 with lengths len1 and len2 , Adler - 32 checksums were calculated for
@ -1724,7 +1727,7 @@ ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2,
negative , the result has no meaning or utility . negative , the result has no meaning or utility .
*/ */
ZEXTERN uLong ZEXPORT crc32 OF ( ( uLong crc , const Bytef * buf , uInt len ) ) ; ZEXTERN uLong ZEXPORT crc32 ( uLong crc , const Bytef * buf , uInt len ) ;
/*
/*
Update a running CRC - 32 with the bytes buf [ 0. . len - 1 ] and return the Update a running CRC - 32 with the bytes buf [ 0. . len - 1 ] and return the
updated CRC - 32. A CRC - 32 value is in the range of a 32 - bit unsigned integer . updated CRC - 32. A CRC - 32 value is in the range of a 32 - bit unsigned integer .
@ -1742,14 +1745,14 @@ 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 crc , const Bytef * buf , ZEXTERN uLong ZEXPORT crc32_z ( uLong crc , const Bytef * buf ,
z_size_t len ) ) ; z_size_t len ) ;
/*
/*
Same as crc32 ( ) , but with a size_t length . 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 ( uLong crc1 , uLong crc2 , z_off_t len2 ) ;
Combine two CRC - 32 check values into one . For two sequences of bytes , Combine two CRC - 32 check values into one . For two sequences of bytes ,
seq1 and seq2 with lengths len1 and len2 , CRC - 32 check values were seq1 and seq2 with lengths len1 and len2 , CRC - 32 check values were
@ -1759,13 +1762,13 @@ ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2));
*/ */
/*
/*
ZEXTERN uLong ZEXPORT crc32_combine_gen OF ( ( z_off_t len2 ) ) ; ZEXTERN uLong ZEXPORT crc32_combine_gen ( z_off_t len2 ) ;
Return the operator corresponding to length len2 , to be used with Return the operator corresponding to length len2 , to be used with
crc32_combine_op ( ) . crc32_combine_op ( ) .
*/ */
ZEXTERN uLong ZEXPORT crc32_combine_op OF ( ( uLong crc1 , uLong crc2 , uLong op ) ) ; ZEXTERN uLong ZEXPORT crc32_combine_op ( uLong crc1 , uLong crc2 , uLong op ) ;
/*
/*
Give the same result as crc32_combine ( ) , using op in place of len2 . op is Give the same result as crc32_combine ( ) , using op in place of len2 . op is
is generated from len2 by crc32_combine_gen ( ) . This will be faster than is generated from len2 by crc32_combine_gen ( ) . This will be faster than
@ -1778,20 +1781,20 @@ ZEXTERN uLong ZEXPORT crc32_combine_op OF((uLong crc1, uLong crc2, uLong op));
/* deflateInit and inflateInit are macros to allow checking the zlib version
/* deflateInit and inflateInit are macros to allow checking the zlib version
* and the compiler ' s view of z_stream : * and the compiler ' s view of z_stream :
*/ */
ZEXTERN int ZEXPORT deflateInit_ OF ( ( z_streamp strm , int level , ZEXTERN int ZEXPORT deflateInit_ ( z_streamp strm , int level ,
const char * version , int stream_size ) ) ; const char * version , int stream_size ) ;
ZEXTERN int ZEXPORT inflateInit_ OF ( ( z_streamp strm , ZEXTERN int ZEXPORT inflateInit_ ( z_streamp strm ,
const char * version , int stream_size ) ) ; const char * version , int stream_size ) ;
ZEXTERN int ZEXPORT deflateInit2_ OF ( ( z_streamp strm , int level , int method , ZEXTERN int ZEXPORT deflateInit2_ ( z_streamp strm , int level , int method ,
int windowBits , int memLevel , int windowBits , int memLevel ,
int strategy , const char * version , int strategy , const char * version ,
int stream_size ) ) ; int stream_size ) ;
ZEXTERN int ZEXPORT inflateInit2_ OF ( ( z_streamp strm , int windowBits , ZEXTERN int ZEXPORT inflateInit2_ ( z_streamp strm , int windowBits ,
const char * version , int stream_size ) ) ; const char * version , int stream_size ) ;
ZEXTERN int ZEXPORT inflateBackInit_ OF ( ( z_streamp strm , int windowBits , ZEXTERN int ZEXPORT inflateBackInit_ ( 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 # ifdef Z_PREFIX_SET
# define z_deflateInit(strm, level) \ # define z_deflateInit(strm, level) \
deflateInit_ ( ( strm ) , ( level ) , ZLIB_VERSION , ( int ) sizeof ( z_stream ) ) deflateInit_ ( ( strm ) , ( level ) , ZLIB_VERSION , ( int ) sizeof ( z_stream ) )
@ -1836,7 +1839,7 @@ struct gzFile_s {
unsigned char * next ; unsigned char * next ;
z_off64_t pos ; z_off64_t pos ;
} ; } ;
ZEXTERN int ZEXPORT gzgetc_ OF ( ( gzFile file ) ) ; /* backward compatibility */ ZEXTERN int ZEXPORT gzgetc_ ( 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) \
@ -1853,13 +1856,13 @@ ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file)); /* backward compatibility */
* without large file support , _LFS64_LARGEFILE must also be true * without large file support , _LFS64_LARGEFILE must also be true
*/ */
# ifdef Z_LARGE64 # ifdef Z_LARGE64
ZEXTERN gzFile ZEXPORT gzopen64 OF ( ( const char * , const char * ) ) ; ZEXTERN gzFile ZEXPORT gzopen64 ( const char * , const char * ) ;
ZEXTERN z_off64_t ZEXPORT gzseek64 OF ( ( gzFile , z_off64_t , int ) ) ; ZEXTERN z_off64_t ZEXPORT gzseek64 ( gzFile , z_off64_t , int ) ;
ZEXTERN z_off64_t ZEXPORT gztell64 OF ( ( gzFile ) ) ; ZEXTERN z_off64_t ZEXPORT gztell64 ( gzFile ) ;
ZEXTERN z_off64_t ZEXPORT gzoffset64 OF ( ( gzFile ) ) ; ZEXTERN z_off64_t ZEXPORT gzoffset64 ( gzFile ) ;
ZEXTERN uLong ZEXPORT adler32_combine64 OF ( ( uLong , uLong , z_off64_t ) ) ; ZEXTERN uLong ZEXPORT adler32_combine64 ( uLong , uLong , z_off64_t ) ;
ZEXTERN uLong ZEXPORT crc32_combine64 OF ( ( uLong , uLong , z_off64_t ) ) ; ZEXTERN uLong ZEXPORT crc32_combine64 ( uLong , uLong , z_off64_t ) ;
ZEXTERN uLong ZEXPORT crc32_combine_gen64 OF ( ( z_off64_t ) ) ; ZEXTERN uLong ZEXPORT crc32_combine_gen64 ( z_off64_t ) ;
# endif # endif
# if !defined(ZLIB_INTERNAL) && defined(Z_WANT64) # if !defined(ZLIB_INTERNAL) && defined(Z_WANT64)
@ -1881,50 +1884,50 @@ ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file)); /* backward compatibility */
# define crc32_combine_gen crc32_combine_gen64 # define crc32_combine_gen crc32_combine_gen64
# endif # endif
# ifndef Z_LARGE64 # ifndef Z_LARGE64
ZEXTERN gzFile ZEXPORT gzopen64 OF ( ( const char * , const char * ) ) ; ZEXTERN gzFile ZEXPORT gzopen64 ( const char * , const char * ) ;
ZEXTERN z_off_t ZEXPORT gzseek64 OF ( ( gzFile , z_off_t , int ) ) ; ZEXTERN z_off_t ZEXPORT gzseek64 ( gzFile , z_off_t , int ) ;
ZEXTERN z_off_t ZEXPORT gztell64 OF ( ( gzFile ) ) ; ZEXTERN z_off_t ZEXPORT gztell64 ( gzFile ) ;
ZEXTERN z_off_t ZEXPORT gzoffset64 OF ( ( gzFile ) ) ; ZEXTERN z_off_t ZEXPORT gzoffset64 ( gzFile ) ;
ZEXTERN uLong ZEXPORT adler32_combine64 OF ( ( uLong , uLong , z_off_t ) ) ; ZEXTERN uLong ZEXPORT adler32_combine64 ( uLong , uLong , z_off_t ) ;
ZEXTERN uLong ZEXPORT crc32_combine64 OF ( ( uLong , uLong , z_off_t ) ) ; ZEXTERN uLong ZEXPORT crc32_combine64 ( uLong , uLong , z_off_t ) ;
ZEXTERN uLong ZEXPORT crc32_combine_gen64 OF ( ( z_off_t ) ) ; ZEXTERN uLong ZEXPORT crc32_combine_gen64 ( z_off_t ) ;
# endif # endif
# else # else
ZEXTERN gzFile ZEXPORT gzopen OF ( ( const char * , const char * ) ) ; ZEXTERN gzFile ZEXPORT gzopen ( const char * , const char * ) ;
ZEXTERN z_off_t ZEXPORT gzseek OF ( ( gzFile , z_off_t , int ) ) ; ZEXTERN z_off_t ZEXPORT gzseek ( gzFile , z_off_t , int ) ;
ZEXTERN z_off_t ZEXPORT gztell OF ( ( gzFile ) ) ; ZEXTERN z_off_t ZEXPORT gztell ( gzFile ) ;
ZEXTERN z_off_t ZEXPORT gzoffset OF ( ( gzFile ) ) ; ZEXTERN z_off_t ZEXPORT gzoffset ( gzFile ) ;
ZEXTERN uLong ZEXPORT adler32_combine OF ( ( uLong , uLong , z_off_t ) ) ; ZEXTERN uLong ZEXPORT adler32_combine ( uLong , uLong , z_off_t ) ;
ZEXTERN uLong ZEXPORT crc32_combine OF ( ( uLong , uLong , z_off_t ) ) ; ZEXTERN uLong ZEXPORT crc32_combine ( uLong , uLong , z_off_t ) ;
ZEXTERN uLong ZEXPORT crc32_combine_gen OF ( ( z_off_t ) ) ; ZEXTERN uLong ZEXPORT crc32_combine_gen ( z_off_t ) ;
# endif # endif
# else /* Z_SOLO */ # else /* Z_SOLO */
ZEXTERN uLong ZEXPORT adler32_combine OF ( ( uLong , uLong , z_off_t ) ) ; ZEXTERN uLong ZEXPORT adler32_combine ( uLong , uLong , z_off_t ) ;
ZEXTERN uLong ZEXPORT crc32_combine OF ( ( uLong , uLong , z_off_t ) ) ; ZEXTERN uLong ZEXPORT crc32_combine ( uLong , uLong , z_off_t ) ;
ZEXTERN uLong ZEXPORT crc32_combine_gen OF ( ( z_off_t ) ) ; ZEXTERN uLong ZEXPORT crc32_combine_gen ( z_off_t ) ;
# endif /* !Z_SOLO */ # endif /* !Z_SOLO */
/* undocumented functions */ /* undocumented functions */
ZEXTERN const char * ZEXPORT zError OF ( ( int ) ) ; ZEXTERN const char * ZEXPORT zError ( int ) ;
ZEXTERN int ZEXPORT inflateSyncPoint OF ( ( z_streamp ) ) ; ZEXTERN int ZEXPORT inflateSyncPoint ( z_streamp ) ;
ZEXTERN const z_crc_t FAR * ZEXPORT get_crc_table OF ( ( void ) ) ; ZEXTERN const z_crc_t FAR * ZEXPORT get_crc_table ( void ) ;
ZEXTERN int ZEXPORT inflateUndermine OF ( ( z_streamp , int ) ) ; ZEXTERN int ZEXPORT inflateUndermine ( z_streamp , int ) ;
ZEXTERN int ZEXPORT inflateValidate OF ( ( z_streamp , int ) ) ; ZEXTERN int ZEXPORT inflateValidate ( z_streamp , int ) ;
ZEXTERN unsigned long ZEXPORT inflateCodesUsed OF ( ( z_streamp ) ) ; ZEXTERN unsigned long ZEXPORT inflateCodesUsed ( z_streamp ) ;
ZEXTERN int ZEXPORT inflateResetKeep OF ( ( z_streamp ) ) ; ZEXTERN int ZEXPORT inflateResetKeep ( z_streamp ) ;
ZEXTERN int ZEXPORT deflateResetKeep OF ( ( z_streamp ) ) ; ZEXTERN int ZEXPORT deflateResetKeep ( z_streamp ) ;
# if defined(_WIN32) && !defined(Z_SOLO) # if defined(_WIN32) && !defined(Z_SOLO)
ZEXTERN gzFile ZEXPORT gzopen_w OF ( ( const wchar_t * path , ZEXTERN gzFile ZEXPORT gzopen_w ( const wchar_t * path ,
const char * mode ) ) ; const char * mode ) ;
# endif # endif
# if defined(STDC) || defined(Z_HAVE_STDARG_H) # if defined(STDC) || defined(Z_HAVE_STDARG_H)
# ifndef Z_SOLO # ifndef Z_SOLO
ZEXTERN int ZEXPORTVA gzvprintf Z_ARG ( ( gzFile file , ZEXTERN int ZEXPORTVA gzvprintf ( gzFile file ,
const char * format , const char * format ,
va_list va ) ) ; va_list va ) ;
# endif # endif
# endif # endif
Letu Ren
1 year ago