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Diffstat (limited to 'packages/linux/handhelds-sa-2.4.19-rmk6-pxa1-hh36.12/ipsec.patch')
| -rw-r--r-- | packages/linux/handhelds-sa-2.4.19-rmk6-pxa1-hh36.12/ipsec.patch | 1446 |
1 files changed, 0 insertions, 1446 deletions
diff --git a/packages/linux/handhelds-sa-2.4.19-rmk6-pxa1-hh36.12/ipsec.patch b/packages/linux/handhelds-sa-2.4.19-rmk6-pxa1-hh36.12/ipsec.patch deleted file mode 100644 index 545175b7fc..0000000000 --- a/packages/linux/handhelds-sa-2.4.19-rmk6-pxa1-hh36.12/ipsec.patch +++ /dev/null @@ -1,1446 +0,0 @@ ---- linux/net/Makefile 3 Dec 2003 19:15:16 -0000 1.25 -+++ linux/net/Makefile 20 Feb 2003 15:50:38 -0000 1.24 -@@ -19,6 +19,7 @@ - subdir-$(CONFIG_NETFILTER) += ipv4/netfilter - subdir-$(CONFIG_UNIX) += unix - subdir-$(CONFIG_IPV6) += ipv6 -+subdir-$(CONFIG_IPSEC) += ipsec - - ifneq ($(CONFIG_IPV6),n) - ifneq ($(CONFIG_IPV6),) ---- /dev/null 2004-02-02 20:32:13.000000000 +0000 -+++ linux/include/zlib/zlib.h 2004-07-05 23:56:59.000000000 +0100 -@@ -0,0 +1,893 @@ -+/* zlib.h -- interface of the 'zlib' general purpose compression library -+ version 1.1.4, March 11th, 2002 -+ -+ Copyright (C) 1995-2002 Jean-loup Gailly and Mark Adler -+ -+ This software is provided 'as-is', without any express or implied -+ warranty. In no event will the authors be held liable for any damages -+ arising from the use of this software. -+ -+ Permission is granted to anyone to use this software for any purpose, -+ including commercial applications, and to alter it and redistribute it -+ freely, subject to the following restrictions: -+ -+ 1. The origin of this software must not be misrepresented; you must not -+ claim that you wrote the original software. If you use this software -+ in a product, an acknowledgment in the product documentation would be -+ appreciated but is not required. -+ 2. Altered source versions must be plainly marked as such, and must not be -+ misrepresented as being the original software. -+ 3. This notice may not be removed or altered from any source distribution. -+ -+ Jean-loup Gailly Mark Adler -+ jloup@gzip.org madler@alumni.caltech.edu -+ -+ -+ The data format used by the zlib library is described by RFCs (Request for -+ Comments) 1950 to 1952 in the files ftp://ds.internic.net/rfc/rfc1950.txt -+ (zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format). -+*/ -+ -+#ifndef _ZLIB_H -+#define _ZLIB_H -+ -+#include "zconf.h" -+ -+#ifdef __cplusplus -+extern "C" { -+#endif -+ -+#define ZLIB_VERSION "1.1.4" -+ -+/* -+ The 'zlib' compression library provides in-memory compression and -+ decompression functions, including integrity checks of the uncompressed -+ data. This version of the library supports only one compression method -+ (deflation) but other algorithms will be added later and will have the same -+ stream interface. -+ -+ Compression can be done in a single step if the buffers are large -+ enough (for example if an input file is mmap'ed), or can be done by -+ repeated calls of the compression function. In the latter case, the -+ application must provide more input and/or consume the output -+ (providing more output space) before each call. -+ -+ The library also supports reading and writing files in gzip (.gz) format -+ with an interface similar to that of stdio. -+ -+ The library does not install any signal handler. The decoder checks -+ the consistency of the compressed data, so the library should never -+ crash even in case of corrupted input. -+*/ -+ -+typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size)); -+typedef void (*free_func) OF((voidpf opaque, voidpf address)); -+ -+struct internal_state; -+ -+typedef struct z_stream_s { -+ Bytef *next_in; /* next input byte */ -+ uInt avail_in; /* number of bytes available at next_in */ -+ uLong total_in; /* total nb of input bytes read so far */ -+ -+ Bytef *next_out; /* next output byte should be put there */ -+ uInt avail_out; /* remaining free space at next_out */ -+ uLong total_out; /* total nb of bytes output so far */ -+ -+ const char *msg; /* last error message, NULL if no error */ -+ struct internal_state FAR *state; /* not visible by applications */ -+ -+ alloc_func zalloc; /* used to allocate the internal state */ -+ free_func zfree; /* used to free the internal state */ -+ voidpf opaque; /* private data object passed to zalloc and zfree */ -+ -+ int data_type; /* best guess about the data type: ascii or binary */ -+ uLong adler; /* adler32 value of the uncompressed data */ -+ uLong reserved; /* reserved for future use */ -+} z_stream; -+ -+typedef z_stream FAR *z_streamp; -+ -+/* -+ The application must update next_in and avail_in when avail_in has -+ dropped to zero. It must update next_out and avail_out when avail_out -+ has dropped to zero. The application must initialize zalloc, zfree and -+ opaque before calling the init function. All other fields are set by the -+ compression library and must not be updated by the application. -+ -+ The opaque value provided by the application will be passed as the first -+ parameter for calls of zalloc and zfree. This can be useful for custom -+ memory management. The compression library attaches no meaning to the -+ opaque value. -+ -+ 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 -+ thread safe. -+ -+ 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 the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS, -+ pointers returned by zalloc for objects of exactly 65536 bytes *must* -+ have their offset normalized to zero. The default allocation function -+ provided by this library ensures this (see zutil.c). To reduce memory -+ requirements and avoid any allocation of 64K objects, at the expense of -+ compression ratio, compile the library with -DMAX_WBITS=14 (see zconf.h). -+ -+ 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 uncompressed data and may be saved for use in the decompressor -+ (particularly if the decompressor wants to decompress everything in -+ a single step). -+*/ -+ -+ /* constants */ -+ -+#define Z_NO_FLUSH 0 -+#define Z_PARTIAL_FLUSH 1 /* will be removed, use Z_SYNC_FLUSH instead */ -+#define Z_SYNC_FLUSH 2 -+#define Z_FULL_FLUSH 3 -+#define Z_FINISH 4 -+/* Allowed flush values; see deflate() below for details */ -+ -+#define Z_OK 0 -+#define Z_STREAM_END 1 -+#define Z_NEED_DICT 2 -+#define Z_ERRNO (-1) -+#define Z_STREAM_ERROR (-2) -+#define Z_DATA_ERROR (-3) -+#define Z_MEM_ERROR (-4) -+#define Z_BUF_ERROR (-5) -+#define Z_VERSION_ERROR (-6) -+/* Return codes for the compression/decompression functions. Negative -+ * values are errors, positive values are used for special but normal events. -+ */ -+ -+#define Z_NO_COMPRESSION 0 -+#define Z_BEST_SPEED 1 -+#define Z_BEST_COMPRESSION 9 -+#define Z_DEFAULT_COMPRESSION (-1) -+/* compression levels */ -+ -+#define Z_FILTERED 1 -+#define Z_HUFFMAN_ONLY 2 -+#define Z_DEFAULT_STRATEGY 0 -+/* compression strategy; see deflateInit2() below for details */ -+ -+#define Z_BINARY 0 -+#define Z_ASCII 1 -+#define Z_UNKNOWN 2 -+/* Possible values of the data_type field */ -+ -+#define Z_DEFLATED 8 -+/* The deflate compression method (the only one supported in this version) */ -+ -+#define Z_NULL 0 /* for initializing zalloc, zfree, opaque */ -+ -+#define zlib_version zlibVersion() -+/* for compatibility with versions < 1.0.2 */ -+ -+ /* basic functions */ -+ -+ZEXTERN const char * ZEXPORT zlibVersion OF((void)); -+/* The application can compare zlibVersion and ZLIB_VERSION for consistency. -+ 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 is automatically made by deflateInit and inflateInit. -+ */ -+ -+/* -+ZEXTERN int ZEXPORT deflateInit OF((z_streamp strm, int level)); -+ -+ Initializes the internal stream state for compression. The fields -+ 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 allocation functions. -+ -+ 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 (the input data is simply copied a block at a time). -+ Z_DEFAULT_COMPRESSION requests a default compromise between speed and -+ compression (currently equivalent to level 6). -+ -+ deflateInit returns Z_OK if success, Z_MEM_ERROR if there was not -+ enough memory, Z_STREAM_ERROR if level is not a valid compression level, -+ Z_VERSION_ERROR if the zlib library version (zlib_version) is incompatible -+ with the version assumed by the caller (ZLIB_VERSION). -+ msg is set to null if there is no error message. deflateInit does not -+ perform any compression: this will be done by deflate(). -+*/ -+ -+ -+ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush)); -+/* -+ deflate compresses as much data as possible, and stops when the input -+ buffer becomes empty or the output buffer becomes full. It may introduce some -+ output latency (reading input without producing any output) except when -+ forced to flush. -+ -+ The detailed semantics are as follows. deflate performs one or both of the -+ following actions: -+ -+ - Compress 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 -+ 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(). -+ -+ - 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. -+ Forcing flush frequently degrades the compression ratio, so this parameter -+ should be set only when necessary (in interactive applications). -+ Some output may be provided even if flush is not set. -+ -+ 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 output, and updating avail_in or avail_out accordingly; avail_out -+ should never be zero before the call. The application can consume the -+ compressed 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 zero avail_out, it must be called again after making room in the -+ output buffer because there might be more output pending. -+ -+ If the parameter flush is set to Z_SYNC_FLUSH, all pending output is -+ flushed to the output buffer and the output is aligned on a byte boundary, so -+ that the decompressor can get all input data available so far. (In particular -+ avail_in is zero after the call if enough output space has been provided -+ before the call.) Flushing may degrade compression for some compression -+ algorithms and so it should be used only when necessary. -+ -+ If flush is set to Z_FULL_FLUSH, all output is flushed as with -+ Z_SYNC_FLUSH, and the compression state is reset so that decompression can -+ restart from this point if previous compressed data has been damaged or if -+ random access is desired. Using Z_FULL_FLUSH too often can seriously degrade -+ the compression. -+ -+ If deflate returns with avail_out == 0, this function must be called again -+ 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). -+ -+ 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 enough output space; if deflate returns with Z_OK, this function must be -+ called again with Z_FINISH and more output space (updated avail_out) but no -+ more input data, until it returns with Z_STREAM_END or an error. After -+ deflate has returned Z_STREAM_END, the only possible operations on the -+ stream are deflateReset or deflateEnd. -+ -+ Z_FINISH can be used immediately after deflateInit if all the compression -+ is to be done in a single step. In this case, avail_out must be at least -+ 0.1% larger than avail_in plus 12 bytes. If deflate does not return -+ Z_STREAM_END, then it must be called again as described above. -+ -+ deflate() sets strm->adler to the adler32 checksum of all input read -+ so far (that is, total_in bytes). -+ -+ deflate() may update data_type if it can make a good guess about -+ the input data type (Z_ASCII or Z_BINARY). In doubt, the data is considered -+ binary. This field is only for information purposes and does not affect -+ the compression algorithm in any manner. -+ -+ 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 -+ 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 -+ if next_in or next_out was NULL), Z_BUF_ERROR if no progress is possible -+ (for example avail_in or avail_out was zero). -+*/ -+ -+ -+ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm)); -+/* -+ All dynamically allocated data structures for this stream are freed. -+ This function discards any unprocessed input and does not flush any -+ pending output. -+ -+ deflateEnd returns Z_OK if success, Z_STREAM_ERROR if the -+ stream state was inconsistent, Z_DATA_ERROR if the stream was freed -+ prematurely (some input or output was discarded). In the error case, -+ msg may be set but then points to a static string (which must not be -+ deallocated). -+*/ -+ -+ -+/* -+ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm)); -+ -+ Initializes the internal stream state for decompression. The fields -+ next_in, avail_in, zalloc, zfree and opaque must be initialized before by -+ the caller. If next_in is not Z_NULL and avail_in is large enough (the exact -+ value depends on the compression method), inflateInit determines the -+ compression method from the zlib header and allocates all data structures -+ accordingly; otherwise the allocation will be deferred to the first call of -+ 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 -+ memory, Z_VERSION_ERROR if the zlib library version is incompatible with the -+ version assumed by the caller. msg is set to null if there is no error -+ message. inflateInit does not perform any decompression apart from reading -+ the zlib header if present: this will be done by inflate(). (So next_in and -+ avail_in may be modified, but next_out and avail_out are unchanged.) -+*/ -+ -+ -+ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush)); -+/* -+ inflate decompresses as much data as possible, and stops when the input -+ buffer becomes empty or the output buffer becomes full. It may some -+ introduce some output latency (reading input without producing any output) -+ except when forced to flush. -+ -+ The detailed semantics are as follows. inflate performs one or both of the -+ following actions: -+ -+ - 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 -+ enough room in the output buffer), next_in is updated and processing -+ will resume at this point for the next call of inflate(). -+ -+ - 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 no more input data or no more space in the output buffer (see below -+ about the flush parameter). -+ -+ 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 output, and updating the next_* and avail_* values accordingly. -+ The 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 inflate(). If inflate returns Z_OK and with zero avail_out, it -+ must be called again after making room in the output buffer because there -+ might be more output pending. -+ -+ If the parameter flush is set to Z_SYNC_FLUSH, inflate flushes as much -+ output as possible to the output buffer. The flushing behavior of inflate is -+ not specified for values of the flush parameter other than Z_SYNC_FLUSH -+ and Z_FINISH, but the current implementation actually flushes as much output -+ as possible anyway. -+ -+ inflate() should normally be called until it returns Z_STREAM_END or an -+ error. However if all decompression is to be performed in a single step -+ (a single call of inflate), the parameter flush should be set to -+ Z_FINISH. In this case all pending input is processed and all pending -+ output is flushed; avail_out must be large enough to hold all the -+ uncompressed data. (The size of the uncompressed data may have been saved -+ by the compressor for this purpose.) The next operation on this stream must -+ be inflateEnd to deallocate the decompression state. The use of Z_FINISH -+ is never required, but can be used to inform inflate that a faster routine -+ may be used for the single inflate() call. -+ -+ If a preset dictionary is needed at this point (see inflateSetDictionary -+ below), inflate sets strm-adler to the adler32 checksum of the -+ dictionary chosen by the compressor and returns Z_NEED_DICT; otherwise -+ it sets strm->adler to the adler32 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 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 only if the checksum is correct. -+ -+ 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 -+ 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 -+ corrupted (input stream not conforming to the zlib format or incorrect -+ adler32 checksum), Z_STREAM_ERROR if the stream structure was inconsistent -+ (for example if next_in or next_out was NULL), Z_MEM_ERROR if there was not -+ enough memory, Z_BUF_ERROR if no progress is possible or if there was not -+ enough room in the output buffer when Z_FINISH is used. In the Z_DATA_ERROR -+ case, the application may then call inflateSync to look for a good -+ compression block. -+*/ -+ -+ -+ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm)); -+/* -+ All dynamically allocated data structures for this stream are freed. -+ This function discards any unprocessed input and does not flush any -+ pending output. -+ -+ inflateEnd returns Z_OK if success, Z_STREAM_ERROR if the stream state -+ was inconsistent. In the error case, msg may be set but then points to a -+ static string (which must not be deallocated). -+*/ -+ -+ /* Advanced functions */ -+ -+/* -+ The following functions are needed only in some special applications. -+*/ -+ -+/* -+ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm, -+ int level, -+ int method, -+ int windowBits, -+ int memLevel, -+ int strategy)); -+ -+ This is another version of deflateInit with more compression options. The -+ fields next_in, zalloc, zfree and opaque must be initialized before by -+ the caller. -+ -+ The method parameter is the compression method. It must be Z_DEFLATED in -+ this version of the library. -+ -+ The windowBits parameter is the base two logarithm of the window size -+ (the size of the history buffer). It should be in the range 8..15 for this -+ version of the library. Larger values of this parameter result in better -+ compression at the expense of memory usage. The default value is 15 if -+ deflateInit is used instead. -+ -+ The memLevel parameter specifies how much memory should be allocated -+ for the internal compression state. memLevel=1 uses minimum memory but -+ is slow and reduces compression ratio; memLevel=9 uses maximum memory -+ for optimal speed. The default value is 8. See zconf.h for total memory -+ usage as a function of windowBits and memLevel. -+ -+ The strategy parameter is used to tune the compression algorithm. Use the -+ value Z_DEFAULT_STRATEGY for normal data, Z_FILTERED for data produced by a -+ filter (or predictor), or Z_HUFFMAN_ONLY to force Huffman encoding only (no -+ string match). Filtered data consists mostly of small values with a -+ somewhat random distribution. In this case, the compression algorithm is -+ tuned to compress them better. The effect of Z_FILTERED is to force more -+ Huffman coding and less string matching; it is somewhat intermediate -+ between Z_DEFAULT and Z_HUFFMAN_ONLY. The strategy parameter only affects -+ the compression ratio but not the correctness of the compressed output even -+ if it is not set appropriately. -+ -+ deflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough -+ memory, Z_STREAM_ERROR if a parameter is invalid (such as an invalid -+ method). msg is set to null if there is no error message. deflateInit2 does -+ not perform any compression: this will be done by deflate(). -+*/ -+ -+ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm, -+ const Bytef *dictionary, -+ uInt dictLength)); -+/* -+ Initializes the compression dictionary from the given byte sequence -+ without producing any compressed output. This function must be called -+ immediately after deflateInit, deflateInit2 or deflateReset, before any -+ call of deflate. The compressor and decompressor must use exactly the same -+ dictionary (see inflateSetDictionary). -+ -+ The dictionary should consist of strings (byte sequences) that are likely -+ to be encountered later in the data to be compressed, with the most commonly -+ used strings preferably put towards the end of the dictionary. Using a -+ dictionary is most useful when the data to be compressed is short and can be -+ predicted with good accuracy; the data can then be compressed better than -+ with the default empty dictionary. -+ -+ Depending on the size of the compression data structures selected by -+ deflateInit or deflateInit2, a part of the dictionary may in effect be -+ discarded, for example if the dictionary is larger than the window size in -+ deflate or deflate2. Thus the strings most likely to be useful should be -+ put at the end of the dictionary, not at the front. -+ -+ 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 -+ 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 -+ actually used by the compressor.) -+ -+ deflateSetDictionary returns Z_OK if success, or Z_STREAM_ERROR if a -+ parameter is invalid (such as NULL dictionary) or the stream state is -+ inconsistent (for example if deflate has already been called for this stream -+ or if the compression method is bsort). deflateSetDictionary does not -+ perform any compression: this will be done by deflate(). -+*/ -+ -+ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest, -+ z_streamp source)); -+/* -+ Sets the destination stream as a complete copy of the source stream. -+ -+ This function can be useful when several compression strategies will be -+ tried, for example when there are several ways of pre-processing the input -+ data with a filter. The streams that will be discarded should then be freed -+ by calling deflateEnd. Note that deflateCopy duplicates the internal -+ compression state which can be quite large, so this strategy is slow and -+ can consume lots of memory. -+ -+ deflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not -+ enough memory, Z_STREAM_ERROR if the source stream state was inconsistent -+ (such as zalloc being NULL). msg is left unchanged in both source and -+ destination. -+*/ -+ -+ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm)); -+/* -+ This function is equivalent to deflateEnd followed by deflateInit, -+ but does not free and reallocate all the internal compression state. -+ The stream will keep the same compression level and any other attributes -+ that may have been set by deflateInit2. -+ -+ deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source -+ stream state was inconsistent (such as zalloc or state being NULL). -+*/ -+ -+ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm, -+ int level, -+ int strategy)); -+/* -+ Dynamically update the compression level and compression strategy. The -+ 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 -+ to switch to a different kind of input data requiring a different -+ strategy. If the compression level is changed, the input available so far -+ is compressed with the old level (and may be flushed); the new level will -+ take effect only at the next call of deflate(). -+ -+ Before the call of deflateParams, the stream state must be set as for -+ a call of deflate(), since the currently available input may have to -+ be compressed and flushed. In particular, strm->avail_out must be non-zero. -+ -+ deflateParams returns Z_OK if success, Z_STREAM_ERROR if the source -+ stream state was inconsistent or if a parameter was invalid, Z_BUF_ERROR -+ if strm->avail_out was zero. -+*/ -+ -+/* -+ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm, -+ int windowBits)); -+ -+ This is another version of inflateInit with an extra parameter. The -+ fields next_in, avail_in, zalloc, zfree and opaque must be initialized -+ before by the caller. -+ -+ The windowBits parameter is the base two logarithm of the maximum window -+ size (the size of the history buffer). It should be in the range 8..15 for -+ this version of the library. The default value is 15 if inflateInit is used -+ instead. If a compressed stream with a larger window size is given as -+ input, inflate() will return with the error code Z_DATA_ERROR instead of -+ trying to allocate a larger window. -+ -+ inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough -+ memory, Z_STREAM_ERROR if a parameter is invalid (such as a negative -+ memLevel). msg is set to null if there is no error message. inflateInit2 -+ does not perform any decompression apart from reading the zlib header if -+ present: this will be done by inflate(). (So next_in and avail_in may be -+ modified, but next_out and avail_out are unchanged.) -+*/ -+ -+ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm, -+ const Bytef *dictionary, -+ uInt dictLength)); -+/* -+ Initializes the decompression dictionary from the given uncompressed byte -+ sequence. This function must be called immediately after a call of inflate -+ if this call returned Z_NEED_DICT. The dictionary chosen by the compressor -+ can be determined from the Adler32 value returned by this call of -+ inflate. The compressor and decompressor must use exactly the same -+ dictionary (see deflateSetDictionary). -+ -+ inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a -+ parameter is invalid (such as NULL dictionary) or the stream state is -+ inconsistent, Z_DATA_ERROR if the given dictionary doesn't match the -+ expected one (incorrect Adler32 value). inflateSetDictionary does not -+ perform any decompression: this will be done by subsequent calls of -+ inflate(). -+*/ -+ -+ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm)); -+/* -+ Skips invalid compressed data until a full flush point (see above the -+ description of deflate with Z_FULL_FLUSH) can be found, or until all -+ available input is skipped. No output is provided. -+ -+ inflateSync returns Z_OK if a full flush point has been found, Z_BUF_ERROR -+ if no more input was provided, Z_DATA_ERROR if no flush point has been found, -+ or Z_STREAM_ERROR if the stream structure was inconsistent. In the success -+ case, the application may save the current current value of total_in which -+ indicates where valid compressed data was found. In the error case, the -+ application may repeatedly call inflateSync, providing more input each time, -+ until success or end of the input data. -+*/ -+ -+ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm)); -+/* -+ This function is equivalent to inflateEnd followed by inflateInit, -+ but does not free and reallocate all the internal decompression state. -+ The stream will keep attributes that may have been set by inflateInit2. -+ -+ inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source -+ stream state was inconsistent (such as zalloc or state being NULL). -+*/ -+ -+ -+ /* utility functions */ -+ -+/* -+ The following utility functions are implemented on top of the -+ basic stream-oriented functions. To simplify the interface, some -+ default options are assumed (compression level and memory usage, -+ standard memory allocation functions). The source code of these -+ utility functions can easily be modified if you need special options. -+*/ -+ -+ZEXTERN int ZEXPORT compress OF((Bytef *dest, uLongf *destLen, -+ const Bytef *source, uLong sourceLen)); -+/* -+ Compresses the source buffer into the destination buffer. sourceLen is -+ the byte length of the source buffer. Upon entry, destLen is the total -+ size of the destination buffer, which must be at least 0.1% larger than -+ sourceLen plus 12 bytes. Upon exit, destLen is the actual size of the -+ compressed buffer. -+ This function can be used to compress a whole file at once if the -+ input file is mmap'ed. -+ 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 -+ buffer. -+*/ -+ -+ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen, -+ const Bytef *source, uLong sourceLen, -+ int level)); -+/* -+ Compresses the source buffer into the destination buffer. The level -+ parameter has the same meaning as in deflateInit. sourceLen is the byte -+ length of the source buffer. Upon entry, destLen is the total size of the -+ destination buffer, which must be at least 0.1% larger than sourceLen plus -+ 12 bytes. Upon exit, destLen is the actual size of the compressed buffer. -+ -+ 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, -+ Z_STREAM_ERROR if the level parameter is invalid. -+*/ -+ -+ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen, -+ const Bytef *source, uLong sourceLen)); -+/* -+ Decompresses the source buffer into the destination buffer. sourceLen is -+ the byte length of the source buffer. Upon entry, destLen is the total -+ size of the destination buffer, which must be large enough to hold the -+ entire uncompressed data. (The size of the uncompressed data must have -+ been saved previously by the compressor and transmitted to the decompressor -+ by some mechanism outside the scope of this compression library.) -+ Upon exit, destLen is the actual size of the compressed buffer. -+ This function can be used to decompress a whole file at once if the -+ input file is mmap'ed. -+ -+ 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 -+ buffer, or Z_DATA_ERROR if the input data was corrupted. -+*/ -+ -+ -+typedef voidp gzFile; -+ -+ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode)); -+/* -+ Opens a gzip (.gz) file for reading or writing. The mode parameter -+ is as in fopen ("rb" or "wb") but can also include a compression level -+ ("wb9") or a strategy: 'f' for filtered data as in "wb6f", 'h' for -+ Huffman only compression as in "wb1h". (See the description -+ of deflateInit2 for more information about the strategy parameter.) -+ -+ gzopen can be used to read a file which is not in gzip format; in this -+ case gzread will directly read from the file without decompression. -+ -+ gzopen returns NULL if the file could not be opened or if there was -+ insufficient memory to allocate the (de)compression state; errno -+ can be checked to distinguish the two cases (if errno is zero, the -+ zlib error is Z_MEM_ERROR). */ -+ -+ZEXTERN gzFile ZEXPORT gzdopen OF((int fd, const char *mode)); -+/* -+ gzdopen() associates a gzFile with the file descriptor fd. File -+ descriptors are obtained from calls like open, dup, creat, pipe or -+ fileno (in the file has been previously opened with fopen). -+ The mode parameter is as in gzopen. -+ The next call of gzclose on the returned gzFile will also close the -+ file descriptor fd, just like fclose(fdopen(fd), mode) closes the file -+ descriptor fd. If you want to keep fd open, use gzdopen(dup(fd), mode). -+ gzdopen returns NULL if there was insufficient memory to allocate -+ the (de)compression state. -+*/ -+ -+ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy)); -+/* -+ Dynamically update the compression level or strategy. See the description -+ of deflateInit2 for the meaning of these parameters. -+ gzsetparams returns Z_OK if success, or Z_STREAM_ERROR if the file was not -+ opened for writing. -+*/ -+ -+ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len)); -+/* -+ Reads the given number of uncompressed bytes from the compressed file. -+ If the input file was not in gzip format, gzread copies the given number -+ of bytes into the buffer. -+ gzread returns the number of uncompressed bytes actually read (0 for -+ end of file, -1 for error). */ -+ -+ZEXTERN int ZEXPORT gzwrite OF((gzFile file, -+ const voidp buf, unsigned len)); -+/* -+ Writes the given number of uncompressed bytes into the compressed file. -+ gzwrite returns the number of uncompressed bytes actually written -+ (0 in case of error). -+*/ -+ -+ZEXTERN int ZEXPORTVA gzprintf OF((gzFile file, const char *format, ...)); -+/* -+ Converts, formats, and writes the args to the compressed file under -+ control of the format string, as in fprintf. gzprintf returns the number of -+ uncompressed bytes actually written (0 in case of error). -+*/ -+ -+ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s)); -+/* -+ Writes the given null-terminated string to the compressed file, excluding -+ the terminating null character. -+ gzputs returns the number of characters written, or -1 in case of error. -+*/ -+ -+ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len)); -+/* -+ Reads bytes from the compressed file until len-1 characters are read, or -+ a newline character is read and transferred to buf, or an end-of-file -+ condition is encountered. The string is then terminated with a null -+ character. -+ gzgets returns buf, or Z_NULL in case of error. -+*/ -+ -+ZEXTERN int ZEXPORT gzputc OF((gzFile file, int c)); -+/* -+ Writes c, converted to an unsigned char, into the compressed file. -+ gzputc returns the value that was written, or -1 in case of error. -+*/ -+ -+ZEXTERN int ZEXPORT gzgetc OF((gzFile file)); -+/* -+ Reads one byte from the compressed file. gzgetc returns this byte -+ or -1 in case of end of file or error. -+*/ -+ -+ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush)); -+/* -+ Flushes all pending output into the compressed file. The parameter -+ flush is as in the deflate() function. The return value is the zlib -+ error number (see function gzerror below). gzflush returns Z_OK if -+ the flush parameter is Z_FINISH and all output could be flushed. -+ gzflush should be called only when strictly necessary because it can -+ degrade compression. -+*/ -+ -+ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file, -+ z_off_t offset, int whence)); -+/* -+ Sets the starting position for the next gzread or gzwrite on the -+ given compressed file. The offset represents a number of bytes in the -+ uncompressed data stream. The whence parameter is defined as in lseek(2); -+ the value SEEK_END is not supported. -+ If the file is opened for reading, this function is emulated but can be -+ extremely slow. If the file is opened for writing, only forward seeks are -+ supported; gzseek then compresses a sequence of zeroes up to the new -+ starting position. -+ -+ gzseek returns the resulting offset location as measured in bytes from -+ the beginning of the uncompressed stream, or -1 in case of error, in -+ particular if the file is opened for writing and the new starting position -+ would be before the current position. -+*/ -+ -+ZEXTERN int ZEXPORT gzrewind OF((gzFile file)); -+/* -+ Rewinds the given file. This function is supported only for reading. -+ -+ gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET) -+*/ -+ -+ZEXTERN z_off_t ZEXPORT gztell OF((gzFile file)); -+/* -+ Returns the starting position for the next gzread or gzwrite on the -+ given compressed file. This position represents a number of bytes in the -+ uncompressed data stream. -+ -+ gztell(file) is equivalent to gzseek(file, 0L, SEEK_CUR) -+*/ -+ -+ZEXTERN int ZEXPORT gzeof OF((gzFile file)); -+/* -+ Returns 1 when EOF has previously been detected reading the given -+ input stream, otherwise zero. -+*/ -+ -+ZEXTERN int ZEXPORT gzclose OF((gzFile file)); -+/* -+ Flushes all pending output if necessary, closes the compressed file -+ and deallocates all the (de)compression state. The return value is the zlib -+ error number (see function gzerror below). -+*/ -+ -+ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum)); -+/* -+ Returns the error message for the last error which occurred on the -+ given compressed file. errnum is set to zlib error number. If an -+ error occurred in the file system and not in the compression library, -+ errnum is set to Z_ERRNO and the application may consult errno -+ to get the exact error code. -+*/ -+ -+ /* checksum functions */ -+ -+/* -+ These functions are not related to compression but are exported -+ anyway because they might be useful in applications using the -+ compression library. -+*/ -+ -+ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len)); -+ -+/* -+ Update a running Adler-32 checksum with the bytes buf[0..len-1] and -+ return the updated checksum. If buf is NULL, this function returns -+ the required initial value for the checksum. -+ An Adler-32 checksum is almost as reliable as a CRC32 but can be computed -+ much faster. Usage example: -+ -+ uLong adler = adler32(0L, Z_NU |