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/*
File: file_riff.c
Copyright (C) 1998-2005 Christophe GRENIER <grenier@cgsecurity.org>
This software is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <stdio.h>
#include "types.h"
#include "photorec.h"
static const char* header_check_riff(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, t_file_recovery *file_recovery);
const t_file_hint file_hint_riff= {
.extension="riff",
.description="RIFF audio/video: wav, cdr, avi",
.min_header_distance=0,
.min_filesize=122,
.max_filesize=PHOTOREC_MAX_FILE_SIZE,
.recover=1,
.header_check=&header_check_riff,
.data_check=NULL,
.file_check=NULL
};
static const char* header_check_riff(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, t_file_recovery *file_recovery)
{
if(memcmp(buffer,"RIFF",4)==0)
{
if(memcmp(&buffer[8],"WAVE",4)==0)
return "wav";
if(memcmp(&buffer[8],"CDR",3)==0)
return "cdr";
return "avi";
}
return NULL;
}
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