kc3-lang/zlib/os400/zlib.inc
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os400/zlib.inc
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* ZLIB.INC - Interface to the general purpose compression library * * ILE RPG400 version by Patrick Monnerat, DATASPHERE. * Version 1.3.1 * * * WARNING: * Procedures inflateInit(), inflateInit2(), deflateInit(), * deflateInit2() and inflateBackInit() need to be called with * two additional arguments: * the package version string and the stream control structure. * size. This is needed because RPG lacks some macro feature. * Call these procedures as: * inflateInit(...: ZLIB_VERSION: %size(z_stream)) * /if not defined(ZLIB_H_) /define ZLIB_H_ * ************************************************************************** * Constants ************************************************************************** * * Versioning information. * D ZLIB_VERSION C '1.3.1' D ZLIB_VERNUM C X'12a0' D ZLIB_VER_MAJOR C 1 D ZLIB_VER_MINOR C 3 D ZLIB_VER_REVISION... D C 1 D ZLIB_VER_SUBREVISION... D C 0 * * Other equates. * D Z_NO_FLUSH C 0 D Z_PARTIAL_FLUSH... D C 1 D Z_SYNC_FLUSH C 2 D Z_FULL_FLUSH C 3 D Z_FINISH C 4 D Z_BLOCK C 5 D Z_TREES C 6 * D Z_OK C 0 D Z_STREAM_END C 1 D Z_NEED_DICT C 2 D Z_ERRNO C -1 D Z_STREAM_ERROR C -2 D Z_DATA_ERROR C -3 D Z_MEM_ERROR C -4 D Z_BUF_ERROR C -5 D Z_VERSION_ERROR C -6 * D Z_NO_COMPRESSION... D C 0 D Z_BEST_SPEED C 1 D Z_BEST_COMPRESSION... D C 9 D Z_DEFAULT_COMPRESSION... D C -1 * D Z_FILTERED C 1 D Z_HUFFMAN_ONLY C 2 D Z_RLE C 3 D Z_DEFAULT_STRATEGY... D C 0 * D Z_BINARY C 0 D Z_ASCII C 1 D Z_UNKNOWN C 2 * D Z_DEFLATED C 8 * D Z_NULL C 0 * ************************************************************************** * Types ************************************************************************** * D z_streamp S * Stream struct ptr D gzFile S * File pointer D gz_headerp S * D z_off_t S 10i 0 Stream offsets D z_off64_t S 20i 0 Stream offsets * ************************************************************************** * Structures ************************************************************************** * * The GZIP encode/decode stream support structure. * D z_stream DS align based(z_streamp) D zs_next_in * Next input byte D zs_avail_in 10U 0 Byte cnt at next_in D zs_total_in 10U 0 Total bytes read D zs_next_out * Output buffer ptr D zs_avail_out 10U 0 Room left @ next_out D zs_total_out 10U 0 Total bytes written D zs_msg * Last errmsg or null D zs_state * Internal state D zs_zalloc * procptr Int. state allocator D zs_free * procptr Int. state dealloc. D zs_opaque * Private alloc. data D zs_data_type 10i 0 ASC/BIN best guess D zs_adler 10u 0 Uncompr. adler32 val D 10U 0 Reserved D 10U 0 Ptr. alignment * ************************************************************************** * Utility function prototypes ************************************************************************** * D compress PR 10I 0 extproc('compress') D dest 65535 options(*varsize) Destination buffer D destLen 10U 0 Destination length D source 65535 const options(*varsize) Source buffer D sourceLen 10u 0 value Source length * D compress2 PR 10I 0 extproc('compress2') D dest 65535 options(*varsize) Destination buffer D destLen 10U 0 Destination length D source 65535 const options(*varsize) Source buffer D sourceLen 10U 0 value Source length D level 10I 0 value Compression level * D compressBound PR 10U 0 extproc('compressBound') D sourceLen 10U 0 value * D uncompress PR 10I 0 extproc('uncompress') D dest 65535 options(*varsize) Destination buffer D destLen 10U 0 Destination length D source 65535 const options(*varsize) Source buffer D sourceLen 10U 0 value Source length * D uncompress2 PR 10I 0 extproc('uncompress2') D dest 65535 options(*varsize) Destination buffer D destLen 10U 0 Destination length D source 65535 const options(*varsize) Source buffer D sourceLen 10U 0 Source length * /if not defined(LARGE_FILES) D gzopen PR extproc('gzopen') D like(gzFile) D path * value options(*string) File pathname D mode * value options(*string) Open mode /else D gzopen PR extproc('gzopen64') D like(gzFile) D path * value options(*string) File pathname D mode * value options(*string) Open mode * D gzopen64 PR extproc('gzopen64') D like(gzFile) D path * value options(*string) File pathname D mode * value options(*string) Open mode /endif * D gzdopen PR extproc('gzdopen') D like(gzFile) D fd 10I 0 value File descriptor D mode * value options(*string) Open mode * D gzbuffer PR 10I 0 extproc('gzbuffer') D file value like(gzFile) File pointer D size 10U 0 value * D gzsetparams PR 10I 0 extproc('gzsetparams') D file value like(gzFile) File pointer D level 10I 0 value D strategy 10I 0 value * D gzread PR 10I 0 extproc('gzread') D file value like(gzFile) File pointer D buf 65535 options(*varsize) Buffer D len 10u 0 value Buffer length * D gzfread PR 20I 0 extproc('gzfread') D buf 65535 options(*varsize) Buffer D size 20u 0 value Buffer length D nitems 20u 0 value Buffer length D file value like(gzFile) File pointer * D gzwrite PR 10I 0 extproc('gzwrite') D file value like(gzFile) File pointer D buf 65535 const options(*varsize) Buffer D len 10u 0 value Buffer length * D gzfwrite PR 20I 0 extproc('gzfwrite') D buf 65535 options(*varsize) Buffer D size 20u 0 value Buffer length D nitems 20u 0 value Buffer length D file value like(gzFile) File pointer * D gzputs PR 10I 0 extproc('gzputs') D file value like(gzFile) File pointer D s * value options(*string) String to output * D gzgets PR * extproc('gzgets') D file value like(gzFile) File pointer D buf 65535 options(*varsize) Read buffer D len 10i 0 value Buffer length * D gzputc PR 10i 0 extproc('gzputc') D file value like(gzFile) File pointer D c 10I 0 value Character to write * D gzgetc PR 10i 0 extproc('gzgetc') D file value like(gzFile) File pointer * D gzgetc_ PR 10i 0 extproc('gzgetc_') D file value like(gzFile) File pointer * D gzungetc PR 10i 0 extproc('gzungetc') D c 10I 0 value Character to push D file value like(gzFile) File pointer * D gzflush PR 10i 0 extproc('gzflush') D file value like(gzFile) File pointer D flush 10I 0 value Type of flush * /if not defined(LARGE_FILES) D gzseek PR extproc('gzseek') D like(z_off_t) D file value like(gzFile) File pointer D offset value like(z_off_t) Offset D whence 10i 0 value Origin /else D gzseek PR extproc('gzseek64') D like(z_off_t) D file value like(gzFile) File pointer D offset value like(z_off_t) Offset D whence 10i 0 value Origin * D gzseek64 PR extproc('gzseek64') D like(z_off64_t) D file value like(gzFile) File pointer D offset value like(z_off64_t) Offset D whence 10i 0 value Origin /endif * D gzrewind PR 10i 0 extproc('gzrewind') D file value like(gzFile) File pointer * /if not defined(LARGE_FILES) D gztell PR extproc('gztell') D like(z_off_t) D file value like(gzFile) File pointer /else D gztell PR extproc('gztell64') D like(z_off_t) D file value like(gzFile) File pointer * D gztell64 PR extproc('gztell64') D like(z_off64_t) D file value like(gzFile) File pointer /endif * /if not defined(LARGE_FILES) D gzoffset PR extproc('gzoffset') D like(z_off_t) D file value like(gzFile) File pointer /else D gzoffset PR extproc('gzoffset64') D like(z_off_t) D file value like(gzFile) File pointer * D gzoffset64 PR extproc('gzoffset64') D like(z_off64_t) D file value like(gzFile) File pointer /endif * D gzeof PR 10i 0 extproc('gzeof') D file value like(gzFile) File pointer * D gzdirect PR 10i 0 extproc('gzdirect') D file value like(gzFile) File pointer * D gzclose_r PR 10i 0 extproc('gzclose_r') D file value like(gzFile) File pointer * D gzclose_w PR 10i 0 extproc('gzclose_w') D file value like(gzFile) File pointer * D gzclose PR 10i 0 extproc('gzclose') D file value like(gzFile) File pointer * D gzerror PR * extproc('gzerror') Error string D file value like(gzFile) File pointer D errnum 10I 0 Error code * D gzclearerr PR extproc('gzclearerr') D file value like(gzFile) File pointer * ************************************************************************** * Basic function prototypes ************************************************************************** * D zlibVersion PR * extproc('zlibVersion') Version string * D deflateInit PR 10I 0 extproc('deflateInit_') Init. compression D strm like(z_stream) Compression stream D level 10I 0 value Compression level D version * value options(*string) Version string D stream_size 10i 0 value Stream struct. size * D deflate PR 10I 0 extproc('deflate') Compress data D strm like(z_stream) Compression stream D flush 10I 0 value Flush type required * D deflateEnd PR 10I 0 extproc('deflateEnd') Termin. compression D strm like(z_stream) Compression stream * D inflateInit PR 10I 0 extproc('inflateInit_') Init. expansion D strm like(z_stream) Expansion stream D version * value options(*string) Version string D stream_size 10i 0 value Stream struct. size * D inflate PR 10I 0 extproc('inflate') Expand data D strm like(z_stream) Expansion stream D flush 10I 0 value Flush type required * D inflateEnd PR 10I 0 extproc('inflateEnd') Termin. expansion D strm like(z_stream) Expansion stream * ************************************************************************** * Advanced function prototypes ************************************************************************** * D deflateInit2 PR 10I 0 extproc('deflateInit2_') Init. compression D strm like(z_stream) Compression stream D level 10I 0 value Compression level D method 10I 0 value Compression method D windowBits 10I 0 value log2(window size) D memLevel 10I 0 value Mem/cmpress tradeoff D strategy 10I 0 value Compression strategy D version * value options(*string) Version string D stream_size 10i 0 value Stream struct. size * D deflateSetDictionary... D PR 10I 0 extproc('deflateSetDictionary') Init. dictionary D strm like(z_stream) Compression stream D dictionary 65535 const options(*varsize) Dictionary bytes D dictLength 10U 0 value Dictionary length * D deflateCopy PR 10I 0 extproc('deflateCopy') Compress strm 2 strm D dest like(z_stream) Destination stream D source like(z_stream) Source stream * D deflateReset PR 10I 0 extproc('deflateReset') End and init. stream D strm like(z_stream) Compression stream * D deflateParams PR 10I 0 extproc('deflateParams') Change level & strat D strm like(z_stream) Compression stream D level 10I 0 value Compression level D strategy 10I 0 value Compression strategy * D deflateTune PR 10I 0 extproc('deflateTune') D strm like(z_stream) Compression stream D good 10I 0 value D lazy 10I 0 value D nice 10I 0 value D chain 10I 0 value * D deflateBound PR 10U 0 extproc('deflateBound') Change level & strat D strm like(z_stream) Compression stream D sourcelen 10U 0 value Compression level * D deflatePending PR 10I 0 extproc('deflatePending') Change level & strat D strm like(z_stream) Compression stream D pending 10U 0 Pending bytes D bits 10I 0 Pending bits * D deflatePrime PR 10I 0 extproc('deflatePrime') Change level & strat D strm like(z_stream) Compression stream D bits 10I 0 value # of bits to insert D value 10I 0 value Bits to insert * D inflateInit2 PR 10I 0 extproc('inflateInit2_') Init. expansion D strm like(z_stream) Expansion stream D windowBits 10I 0 value log2(window size) D version * value options(*string) Version string D stream_size 10i 0 value Stream struct. size * D inflateSetDictionary... D PR 10I 0 extproc('inflateSetDictionary') Init. dictionary D strm like(z_stream) Expansion stream D dictionary 65535 const options(*varsize) Dictionary bytes D dictLength 10U 0 value Dictionary length * D inflateGetDictionary... D PR 10I 0 extproc('inflateGetDictionary') Get dictionary D strm like(z_stream) Expansion stream D dictionary 65535 options(*varsize) Dictionary bytes D dictLength 10U 0 Dictionary length * D deflateGetDictionary... D PR 10I 0 extproc('deflateGetDictionary') Get dictionary D strm like(z_stream) Expansion stream D dictionary 65535 options(*varsize) Dictionary bytes D dictLength 10U 0 Dictionary length * D inflateSync PR 10I 0 extproc('inflateSync') Sync. expansion D strm like(z_stream) Expansion stream * D inflateCopy PR 10I 0 extproc('inflateCopy') D dest like(z_stream) Destination stream D source like(z_stream) Source stream * D inflateReset PR 10I 0 extproc('inflateReset') End and init. stream D strm like(z_stream) Expansion stream * D inflateReset2 PR 10I 0 extproc('inflateReset2') End and init. stream D strm like(z_stream) Expansion stream D windowBits 10I 0 value Log2(buffer size) * D inflatePrime PR 10I 0 extproc('inflatePrime') Insert bits D strm like(z_stream) Expansion stream D bits 10I 0 value Bit count D value 10I 0 value Bits to insert * D inflateMark PR 10I 0 extproc('inflateMark') Get inflate info D strm like(z_stream) Expansion stream * D inflateCodesUsed... PR 20U 0 extproc('inflateCodesUsed') D strm like(z_stream) Expansion stream * D inflateValidate... PR 20U 0 extproc('inflateValidate') D strm like(z_stream) Expansion stream D check 10I 0 value * D inflateGetHeader... PR 10U 0 extproc('inflateGetHeader') D strm like(z_stream) Expansion stream D head like(gz_headerp) * D deflateSetHeader... PR 10U 0 extproc('deflateSetHeader') D strm like(z_stream) Expansion stream D head like(gz_headerp) * D inflateBackInit... D PR 10I 0 extproc('inflateBackInit_') D strm like(z_stream) Expansion stream D windowBits 10I 0 value Log2(buffer size) D window 65535 options(*varsize) Buffer D version * value options(*string) Version string D stream_size 10i 0 value Stream struct. size * D inflateBack PR 10I 0 extproc('inflateBack') D strm like(z_stream) Expansion stream D in * value procptr Input function D in_desc * value Input descriptor D out * value procptr Output function D out_desc * value Output descriptor * D inflateBackEnd PR 10I 0 extproc('inflateBackEnd') D strm like(z_stream) Expansion stream * D zlibCompileFlags... D PR 10U 0 extproc('zlibCompileFlags') * ************************************************************************** * Checksum function prototypes ************************************************************************** * D adler32 PR 10U 0 extproc('adler32') New checksum D adler 10U 0 value Old checksum D buf 65535 const options(*varsize) Bytes to accumulate D len 10U 0 value Buffer length * D adler32_combine... PR 10U 0 extproc('adler32_combine') New checksum D adler1 10U 0 value Old checksum D adler2 10U 0 value Old checksum D len2 20U 0 value Buffer length * D adler32_z PR 10U 0 extproc('adler32_z') New checksum D adler 10U 0 value Old checksum D buf 65535 const options(*varsize) Bytes to accumulate D len 20U 0 value Buffer length * D crc32 PR 10U 0 extproc('crc32') New checksum D crc 10U 0 value Old checksum D buf 65535 const options(*varsize) Bytes to accumulate D len 10U 0 value Buffer length * D crc32_combine... PR 10U 0 extproc('crc32_combine') New checksum D crc1 10U 0 value Old checksum D crc2 10U 0 value Old checksum D len2 20U 0 value Buffer length * D crc32_z PR 10U 0 extproc('crc32_z') New checksum D crc 10U 0 value Old checksum D buf 65535 const options(*varsize) Bytes to accumulate D len 20U 0 value Buffer length * ************************************************************************** * Miscellaneous function prototypes ************************************************************************** * D zError PR * extproc('zError') Error string D err 10I 0 value Error code * D inflateSyncPoint... D PR 10I 0 extproc('inflateSyncPoint') D strm like(z_stream) Expansion stream * D get_crc_table PR * extproc('get_crc_table') Ptr to ulongs * D inflateUndermine... D PR 10I 0 extproc('inflateUndermine') D strm like(z_stream) Expansion stream D arg 10I 0 value Error code * D inflateResetKeep... D PR 10I 0 extproc('inflateResetKeep') End and init. stream D strm like(z_stream) Expansion stream * D deflateResetKeep... D PR 10I 0 extproc('deflateResetKeep') End and init. stream D strm like(z_stream) Expansion stream * /endif