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/* -*- C++ -*-
*
* nsadec.cpp - NSA archive decoder
*
* Copyright (c) 2001-2010 Ogapee. All rights reserved.
*
* ogapee@aqua.dti2.ne.jp
*
* This program 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 to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include "NsaReader.h"
extern int errno;
int main( int argc, char **argv )
{
NsaReader cNR;
int nsa_offset = 0;
unsigned long length;
unsigned char *buffer;
char file_name[256], dir_name[256];
unsigned int i, j, count;
int archive_type = BaseReader::ARCHIVE_TYPE_NSA;
FILE *fp;
struct stat file_stat;
if ( argc >= 2 ){
while ( argc > 2 ){
if ( !strcmp( argv[1], "-ns2" ) ) nsa_offset = 1;
else if ( !strcmp( argv[1], "-ns3" ) ) nsa_offset = 2;
argc--;
argv++;
}
}
if ( argc != 2 ){
fprintf( stderr, "Usage: nsadec [-ns2] [-ns3] arc_file\n");
exit(-1);
}
cNR.openForConvert( argv[1], archive_type, nsa_offset );
count = cNR.getNumFiles();
SarReader::FileInfo sFI;
for ( i=0 ; i<count ; i++ ){
sFI = cNR.getFileByIndex( i );
length = cNR.getFileLength( sFI.name );
buffer = new unsigned char[length];
unsigned int len;
if ( (len = cNR.getFile( sFI.name, buffer )) != length ){
//fprintf( stderr, "file %s can't be retrieved\n", sFI.name );
fprintf( stderr, "file %s is not fully retrieved %d %lu\n", sFI.name, len, length );
length = sFI.length;
//continue;
}
strcpy( file_name, sFI.name );
for ( j=0 ; j<strlen(file_name) ; j++ ){
if ( file_name[j] == '\\' ){
file_name[j] = '/';
strncpy( dir_name, file_name, j );
dir_name[j] = '\0';
/* If the directory does'nt exist, create it */
if ( stat ( dir_name, &file_stat ) == -1 && errno == ENOENT )
mkdir( dir_name, 00755 );
}
}
if ( (fp = fopen( file_name, "wb" ) )){
fwrite( buffer, 1, length, fp );
fclose(fp);
}
else{
printf("opening %s ... falied\n", file_name );
}
delete[] buffer;
}
exit(0);
}
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