diff options
Diffstat (limited to 'lib/libz/zlib.h')
| -rw-r--r-- | lib/libz/zlib.h | 153 |
1 files changed, 74 insertions, 79 deletions
diff --git a/lib/libz/zlib.h b/lib/libz/zlib.h index 49f56b43bc6c..06f988c1f058 100644 --- a/lib/libz/zlib.h +++ b/lib/libz/zlib.h @@ -1,5 +1,5 @@ /* zlib.h -- interface of the 'zlib' general purpose compression library - version 1.1.3, July 9th, 1998 + version 1.1.1, Feb 27th, 1998 Copyright (C) 1995-1998 Jean-loup Gailly and Mark Adler @@ -31,13 +31,13 @@ #ifndef _ZLIB_H #define _ZLIB_H -#include "zconf.h" - #ifdef __cplusplus extern "C" { #endif -#define ZLIB_VERSION "1.1.3" +#include "zconf.h" + +#define ZLIB_VERSION "1.1.1" /* The 'zlib' compression library provides in-memory compression and @@ -168,7 +168,7 @@ typedef z_stream FAR *z_streamp; /* basic functions */ -ZEXTERN const char * ZEXPORT zlibVersion OF((void)); +extern 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. @@ -176,7 +176,7 @@ ZEXTERN const char * ZEXPORT zlibVersion OF((void)); */ /* -ZEXTERN int ZEXPORT deflateInit OF((z_streamp strm, int level)); +extern 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. @@ -198,7 +198,7 @@ ZEXTERN int ZEXPORT deflateInit OF((z_streamp strm, int level)); */ -ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush)); +extern 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 @@ -271,12 +271,11 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush)); 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). + if next_in or next_out was NULL), Z_BUF_ERROR if no progress is possible. */ -ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm)); +extern 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 @@ -291,7 +290,7 @@ ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm)); /* -ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm)); +extern 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 @@ -311,7 +310,7 @@ ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm)); */ -ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush)); +extern 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 @@ -380,7 +379,7 @@ ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush)); */ -ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm)); +extern 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 @@ -398,12 +397,12 @@ ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm)); */ /* -ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm, - int level, - int method, - int windowBits, - int memLevel, - int strategy)); +extern 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 @@ -441,14 +440,14 @@ ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm, not perform any compression: this will be done by deflate(). */ -ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm, - const Bytef *dictionary, - uInt dictLength)); +extern 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 + immediately after deflateInit or deflateInit2, 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 @@ -477,8 +476,8 @@ ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm, perform any compression: this will be done by deflate(). */ -ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest, - z_streamp source)); +extern int ZEXPORT deflateCopy OF((z_streamp dest, + z_streamp source)); /* Sets the destination stream as a complete copy of the source stream. @@ -495,7 +494,7 @@ ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest, destination. */ -ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm)); +extern 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. @@ -506,9 +505,7 @@ ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm)); stream state was inconsistent (such as zalloc or state being NULL). */ -ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm, - int level, - int strategy)); +extern 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 @@ -528,8 +525,8 @@ ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm, */ /* -ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm, - int windowBits)); +extern 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 @@ -550,9 +547,9 @@ ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm, modified, but next_out and avail_out are unchanged.) */ -ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm, - const Bytef *dictionary, - uInt dictLength)); +extern 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 @@ -569,7 +566,7 @@ ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm, inflate(). */ -ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm)); +extern 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 @@ -584,7 +581,7 @@ ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm)); until success or end of the input data. */ -ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm)); +extern 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. @@ -605,8 +602,8 @@ ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm)); 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)); +extern 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 @@ -620,9 +617,9 @@ ZEXTERN int ZEXPORT compress OF((Bytef *dest, uLongf *destLen, buffer. */ -ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen, - const Bytef *source, uLong sourceLen, - int level)); +extern 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 @@ -635,8 +632,8 @@ ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen, Z_STREAM_ERROR if the level parameter is invalid. */ -ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen, - const Bytef *source, uLong sourceLen)); +extern 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 @@ -656,7 +653,7 @@ ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen, typedef voidp gzFile; -ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode)); +extern 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 @@ -672,7 +669,7 @@ ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode)); 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)); +extern 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 @@ -685,7 +682,7 @@ ZEXTERN gzFile ZEXPORT gzdopen OF((int fd, const char *mode)); the (de)compression state. */ -ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy)); +extern 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. @@ -693,7 +690,7 @@ ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy)); opened for writing. */ -ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len)); +extern 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 @@ -701,29 +698,28 @@ ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len)); 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)); +extern 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, ...)); +extern 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)); +extern 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)); +extern 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 @@ -732,19 +728,19 @@ ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len)); gzgets returns buf, or Z_NULL in case of error. */ -ZEXTERN int ZEXPORT gzputc OF((gzFile file, int c)); +extern 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)); +extern 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)); +extern 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 @@ -754,11 +750,10 @@ ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush)); degrade compression. */ -ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file, - z_off_t offset, int whence)); +extern 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 + 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 @@ -772,14 +767,14 @@ ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file, would be before the current position. */ -ZEXTERN int ZEXPORT gzrewind OF((gzFile file)); +extern 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)); +extern 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 @@ -788,20 +783,20 @@ ZEXTERN z_off_t ZEXPORT gztell OF((gzFile file)); gztell(file) is equivalent to gzseek(file, 0L, SEEK_CUR) */ -ZEXTERN int ZEXPORT gzeof OF((gzFile file)); +extern 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)); +extern 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)); +extern 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 @@ -818,7 +813,7 @@ ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum)); compression library. */ -ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len)); +extern 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 @@ -835,7 +830,7 @@ ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len)); if (adler != original_adler) error(); */ -ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len)); +extern uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len)); /* Update a running crc with the bytes buf[0..len-1] and return the updated crc. If buf is NULL, this function returns the required initial value @@ -857,16 +852,16 @@ ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len)); /* deflateInit and inflateInit are macros to allow checking the zlib version * and the compiler's view of z_stream: */ -ZEXTERN int ZEXPORT deflateInit_ OF((z_streamp strm, int level, - const char *version, int stream_size)); -ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm, +extern int ZEXPORT deflateInit_ OF((z_streamp strm, int level, + const char *version, int stream_size)); +extern int ZEXPORT inflateInit_ OF((z_streamp strm, + const char *version, int stream_size)); +extern int ZEXPORT deflateInit2_ OF((z_streamp strm, int level, int method, + int windowBits, int memLevel, + int strategy, const char *version, + int stream_size)); +extern int ZEXPORT inflateInit2_ OF((z_streamp strm, int windowBits, const char *version, int stream_size)); -ZEXTERN int ZEXPORT deflateInit2_ OF((z_streamp strm, int level, int method, - int windowBits, int memLevel, - int strategy, const char *version, - int stream_size)); -ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int windowBits, - const char *version, int stream_size)); #define deflateInit(strm, level) \ deflateInit_((strm), (level), ZLIB_VERSION, sizeof(z_stream)) #define inflateInit(strm) \ @@ -882,9 +877,9 @@ ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int windowBits, struct internal_state {int dummy;}; /* hack for buggy compilers */ #endif -ZEXTERN const char * ZEXPORT zError OF((int err)); -ZEXTERN int ZEXPORT inflateSyncPoint OF((z_streamp z)); -ZEXTERN const uLongf * ZEXPORT get_crc_table OF((void)); +extern const char * ZEXPORT zError OF((int err)); +extern int ZEXPORT inflateSyncPoint OF((z_streamp z)); +extern const uLongf * ZEXPORT get_crc_table OF((void)); #ifdef __cplusplus } |