ZLIB: shortcuts to easy compress/decompress data

Functions
int	CompressData (unsigned char *abSrc, unsigned int nLenSrc, unsigned char *abDst, unsigned int nLenDst)
	Compress a string to another. More...
int	GetMaxCompressedLen (unsigned int nLenSrc)
	Return the maximum compressed size. More...
int	UncompressData (unsigned char *abSrc, unsigned int nLenSrc, unsigned char *abDst, unsigned int nLenDst)
	Uncompress a string to another. More...
N_STR *	unzip_nstr (N_STR *src)
	return an uncompressed version of src More...
N_STR *	zip_nstr (N_STR *src)
	return a compressed version of src More...

Detailed Description

Function Documentation

CompressData()

int CompressData	(	unsigned char *	abSrc,
		unsigned int	nLenSrc,
		unsigned char *	abDst,
		unsigned int	nLenDst
	)

Compress a string to another.

Parameters

abSrc	source string
nLenSrc	size of source string
abDst	destination string
nLenDst	destination length

Returns

-1 or lenght of output

Definition at line 42 of file n_zlib.c.

References __n_assert, LOG_ERR, and n_log.

Referenced by zip_nstr().

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GetMaxCompressedLen()

int GetMaxCompressedLen

(

unsigned int

nLenSrc

)

Return the maximum compressed size.

Parameters

nLenSrc

Returns

The size in bytes

Definition at line 26 of file n_zlib.c.

Referenced by zip_nstr().

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UncompressData()

int UncompressData	(	unsigned char *	abSrc,
		unsigned int	nLenSrc,
		unsigned char *	abDst,
		unsigned int	nLenDst
	)

Uncompress a string to another.

Parameters

abSrc	source string
nLenSrc	size of source string
abDst	destination string
nLenDst	destination length

Returns

-1 or lenght of output

Definition at line 99 of file n_zlib.c.

References __n_assert, LOG_ERR, and n_log.

Referenced by unzip_nstr().

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unzip_nstr()

N_STR * unzip_nstr

(

N_STR *

src

)

return an uncompressed version of src

Parameters

src	The source string

Returns

The uncompressed string or NULL

Definition at line 203 of file n_zlib.c.

References __n_assert, free_nstr, LOG_DEBUG, LOG_ERR, n_log, new_nstr(), and UncompressData().

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zip_nstr()

N_STR * zip_nstr

(

N_STR *

src

)

return a compressed version of src

Parameters

src	The source string

Returns

The compressed string or NULL

Definition at line 153 of file n_zlib.c.

References __n_assert, CompressData(), free_nstr, GetMaxCompressedLen(), LOG_DEBUG, LOG_ERR, n_log, and new_nstr().

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