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ewf_string.h
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ewf_string.h
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/*
* EWF character type string functions
*
* Copyright (c) 2006-2007, Joachim Metz <forensics@hoffmannbv.nl>,
* Hoffmann Investigations. All rights reserved.
*
* Refer to AUTHORS for acknowledgements.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the creator, related organisations, nor the names of
* its contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
* - All advertising materials mentioning features or use of this software
* must acknowledge the contribution by people stated in the acknowledgements.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER, COMPANY AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _EWF_STRING_H
#define _EWF_STRING_H
#include "libewf_includes.h"
#if defined( HAVE_STRING_H )
#include <string.h>
#endif
#include "ewf_char.h"
#ifdef __cplusplus
extern "C" {
#endif
#if defined( HAVE_STRLEN )
#define ewf_string_length( string ) \
strlen( (char *) string )
#else
#error Missing string length function (strlen)
#endif
#if defined( HAVE_MEMCMP )
#define ewf_string_compare( string1, string2, size ) \
memcmp( (void *) string1, (void *) string2, size )
#elif defined( HAVE_STRNCMP )
#define ewf_string_compare( string1, string2, size ) \
strncmp( string1, string2, size )
#elif defined( HAVE_STRCMP )
#define ewf_string_compare( string1, string2, size ) \
strcmp( string1, string2 )
#else
#error Missing string compare function (memcmp, strncmp and strcmp)
#endif
#if defined( HAVE_MEMCPY )
#define ewf_string_copy( destination, source, size ) \
(LIBEWF_CHAR *) memcpy( (void *) destination, (void *) source, size )
#elif defined( HAVE_STRNCPY )
#define ewf_string_copy( destination, source, size ) \
strncpy( destination, source, size )
#elif defined( HAVE_STRCPY )
#define ewf_string_copy( destination, source, size ) \
strcpy( destination, source )
#else
#error Missing string copy function (memcpy, strncpy and strcpy)
#endif
EWF_CHAR *ewf_string_uncompress( EWF_CHAR *compressed_string, size_t *size );
EWF_CHAR *ewf_string_compress( EWF_CHAR *uncompressed_string, size_t *size, int8_t compression_level );
ssize_t ewf_string_read_to_buffer( EWF_CHAR *string, int file_descriptor, size_t size );
ssize_t ewf_string_write_from_buffer( EWF_CHAR *string, int file_descriptor, size_t size );
EWF_CHAR *ewf_string_read( int file_descriptor, size_t size );
#define ewf_string_write( string, file_descriptor, size ) \
ewf_string_write_from_buffer( string, file_descriptor, size )
EWF_CHAR *ewf_string_read_compressed( int file_descriptor, size_t *size );
ssize_t ewf_string_write_compressed( EWF_CHAR *string, int file_descriptor, size_t *size, int8_t compression_level );
#ifdef __cplusplus
}
#endif
#endif

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