diff -r bf6a71c50e42 -r 09fa7c3c5079 stdlibs/libz/zlib/libzgzio.h --- a/stdlibs/libz/zlib/libzgzio.h Wed Aug 18 11:27:44 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,207 +0,0 @@ -/* -* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). -* All rights reserved. -* This component and the accompanying materials are made available -* under the terms of "Eclipse Public License v1.0" -* which accompanies this distribution, and is available -* at the URL "http://www.eclipse.org/legal/epl-v10.html". -* -* Initial Contributors: -* Nokia Corporation - initial contribution. -* -* Contributors: -* -* Description: -* -*/ - - -#ifndef LIBZGZIO_H -#define LIBZGZIO_H - -#if (defined(__TOOLS2__) || defined(__TOOLS__)) - #include "zconf.h" -#else - #include -#endif - -#include - - -#ifdef SYMBIAN_EZLIB_DEVICE - #include -#endif - -#ifdef __cplusplus - extern "C" { -#endif - -typedef voidp gzFile; - -/* - * Flushes all pending output if necessary, closes the compressed file - * and deallocates all the (de)compression state. - */ -int gzclose_r (gzFile file); - - -/* - * Clears the error and end-of-file flags for file.This is analogous to the - * clearerr() function in stdio. - */ -void gzclearerr_r (gzFile file); - - -/* - * 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. - */ -gzFile gzdopen_r (int fd, const char *mode); - - -/* - * Returns 1 if file is being read directly without decompression, otherwise - * zero. - */ -int gzdirect_r (gzFile file); - - -/* - * Returns 1 when EOF has previously been detected reading the given - * input stream, otherwise zero. - */ -int gzeof_r (gzFile file); - - -/* - * 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. - */ -const char* gzerror_r (gzFile file, int *errnum); - - -/* - * Flushes all pending output into the compressed file.gzflush should - * be called only when strictly necessary because it can degrade compression. - */ -int gzflush_r (gzFile file, int flush); - - -/* - * Reads one byte from the compressed file. gzgetc returns this byte - * or -1 in case of end of file or error. - */ -int gzgetc_r (gzFile file); - - -/* - * 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. - */ -char* gzgets_r (gzFile file, char *buf, int len); - -/* - * 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", or 'R' for run-length encoding - * as in "wb1R". - */ -gzFile gzopen_r (const char *path, const char *mode); - - -/* - * 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). - */ -int gzprintf_r (gzFile file, const char *format, va_list va); - - -/* - * Writes c, converted to an unsigned char, into the compressed file. - * gzputc returns the value that was written, or -1 in case of error. - */ -int gzputc_r (gzFile file, int c); - - -/* - * 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. - */ -int gzputs_r (gzFile file, const char *s); - - -/* - * Reads the given number of uncompressed bytes from the compressed file. - * gzread returns the number of uncompressed bytes actually read (0 for - * end of file, -1 for error). - */ -int gzread_r (gzFile file, voidp buf, unsigned len); - - -/* - * Rewinds the given file. This function is supported only for reading. - * gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET) - */ - -int gzrewind_r (gzFile file); - - -/* - * Sets the starting position for the next gzread or gzwrite on the - * given compressed file. If the file is opened for writing, only - * forward seeks are supported. - */ -z_off_t gzseek_r (gzFile file, z_off_t offset, int whence); - - -/* - * Dynamically update the compression level or strategy. See the description - * of deflateInit2 for the meaning of these parameters. - */ -int gzsetparams_r (gzFile file, int level, int strategy); - - -/* - * 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. - */ -z_off_t gztell_r (gzFile file); - - -/* - * Push one character back onto the stream to be read again later. - * Only one character of push-back is allowed. - */ -int gzungetc_r (int c, gzFile file); - - -/* - * 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). - */ -int gzwrite_r (gzFile file, voidpc buf, unsigned len); - - -#ifdef __cplusplus - } -#endif - -#endif /* LIBZGZIO_H */ - - - - - -