nszlib.c File Reference

#include "nszlib.h"

Defines
#define	VERSION   "4.5"
#define	FOOTER_SIZE   8
Functions
int	Nszlib_Init (Tcl_Interp *interp)
int	NsZlibModInit (char *server, char *module)
unsigned char *	Ns_ZlibCompress (unsigned char *inbuf, unsigned long inlen, unsigned long *outlen)
unsigned char *	Ns_ZlibUncompress (unsigned char *inbuf, unsigned long inlen, unsigned long *outlen)

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Define Documentation

#define FOOTER_SIZE   8

#define VERSION   "4.5"

nszlib.c -- Zlib API module

ns_zlib usage:

ns_zlib compress data Returns compressed string

ns_zlib uncompress data Uncompresses previously compressed string

ns_zlib gzip data Returns compressed string in gzip format, string can be saved in a file with extension .gz and gzip will be able to uncompress it

ns_zlib gzipfile file Compresses the specified file, creating a file with the same name but a .gz suffix appened

ns_zlib gunzip file Uncompresses gzip file and returns text

Authors

Vlad Seryakov vlad@crystalballinc.com

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Function Documentation

unsigned char* Ns_ZlibCompress	(	unsigned char *	inbuf,
		unsigned long	inlen,
		unsigned long *	outlen
	)

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Ns_ZlibCompress --

Compress a string.

Results: Pointer to ns_malloc's string of compressed data or NULL on error.

Side effects: None.

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unsigned char* Ns_ZlibUncompress	(	unsigned char *	inbuf,
		unsigned long	inlen,
		unsigned long *	outlen
	)

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Ns_ZlibUncompress --

Uncompress a string.

Results: Pointer to ns_malloc'ed string of uncompressed data or NULL on error.

Side effects: None.

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int Nszlib_Init

(

Tcl_Interp *

interp

)

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Nszlib_Init--

Tcl load-command entry point.

Results: TCL_OK.

Side effects: Adds the ns_zlib command.

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int NsZlibModInit	(	char *	server,
		char *	module
	)

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NsZlibModInit--

AOLserver module entry point.

Results: NS_OK.

Side effects: Installs ZlibGzip as the Ns_Gzip proc and registers a trace to create ns_zlib command in all new interps.

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