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authorPaul Kehrer <paul.l.kehrer@gmail.com>2015-08-09 23:38:11 -0500
committerPaul Kehrer <paul.l.kehrer@gmail.com>2015-08-09 23:47:33 -0500
commit273e8f79555ad0219e555c3aea1011b6d23e5b8f (patch)
tree35032b22ce194c483ce2646c4ca4e8972df914f1 /src/_cffi_src/commoncrypto/common_digest.py
parentf9aa0bccac8656067a12b6ff6168f1cc2736beeb (diff)
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ef='#n146'>146 
/** -*-c++-*-
 * $Id$
 *
 * This file is part of plptools.
 *
 *  Copyright (C) 2002 Daniel Brahneborg <basic.chello@se>
 *
 *  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 "sisfilerecord.h"
#include "sisfile.h"
#include "plpintl.h"

#include <stdio.h>

SisRC
SISFileRecord::fillFrom(uint8_t* buf, int* base, off_t len, SISFile* sisFile)
{
	if (*base + 28 + 4 * 2 > len)
		return SIS_TRUNCATED;

	SisRC rc = SIS_OK;
	m_buf = buf;
	m_len = len;
	uint8_t* p = buf + *base;
	int size = 0;
	m_flags = read32(p);
	if (logLevel >= 2)
		printf(_("Got flags %d\n"), m_flags);
	m_fileType = read32(p + 4);
	if (logLevel >= 2)
		printf(_("Got file type %d\n"), m_fileType);
	m_fileDetails = read32(p + 8);
	if (logLevel >= 2)
		printf(_("Got file details %d\n"), m_fileDetails);
	m_sourceLength = read32(p + 12);
	m_sourcePtr = read32(p + 16);
//	printf(_("Got source length = %d, source name ptr = %d\n"),
//		   m_sourceLength, m_sourcePtr);
	if (logLevel >= 2)
		if (m_sourceLength > 0)
			printf(_("Got source name %.*s\n"), m_sourceLength, buf + m_sourcePtr);
	m_destLength = read32(p + 20);
	m_destPtr = read32(p + 24);
//	printf(_("Got dest length = %d, dest name ptr = %d\n"),
//		   m_destLength, m_destPtr);
	if (logLevel >= 2)
		printf(_("Got destination name %.*s\n"), m_destLength, buf + m_destPtr);
	size = 28;
	switch (m_flags)
		{
		case 0: // Only one file.
			m_fileLengths = new uint32_t[1];
			m_filePtrs = new uint32_t[1];
			m_fileLengths[0] = read32(p + size);
			m_filePtrs[0] = read32(p + size + 4);
			size += 8;
			if (logLevel >= 2)
				printf(_("File is %d bytes long (at %d) (to %d)\n"),
					   m_fileLengths[0], m_filePtrs[0],
					   m_fileLengths[0] + m_filePtrs[0]);
			if (logLevel >= 1)
				printf(_("%d .. %d (%d bytes): Single file record type %d, %.*s\n"),
					   m_filePtrs[0],
					   m_filePtrs[0] + m_fileLengths[0],
					   m_fileLengths[0],
					   m_fileType,
					   m_destLength, buf + m_destPtr);
			break;

		case 1: // One file per language.
			{
			int n = sisFile->m_header.m_nlangs;
			m_fileLengths = new uint32_t[n];
			m_filePtrs = new uint32_t[n];
			if (*base + size + n * 8 > len)
				return SIS_TRUNCATED;
			for (int i = 0; i < n; ++i)
				{
				m_fileLengths[i] = read32(p + size);
//				if (m_fileLengths[i] > len)
//					rc = SIS_TRUNCATEDDATA;
				size += 4;
				}
			for (int i = 0; i < n; ++i)
				{
				m_filePtrs[i] = read32(p + size);
				int fileLen = m_fileLengths[i];
//				if (m_filePtrs[i] + fileLen > len)
//					rc = SIS_TRUNCATEDDATA;
				size += 4;
				if (logLevel >= 2)
					printf(_("File %d (for %s) is %d bytes long (at %d)\n"),
						   i,
						   sisFile->getLanguage(i)->m_name,
						   fileLen,
						   m_filePtrs[i]);
				if (logLevel >= 1)
					printf(_("%d .. %d (%d bytes): File record (%s) for %.*s\n"),
						   m_filePtrs[i],
						   m_filePtrs[i] + fileLen,
						   fileLen,
						   sisFile->getLanguage(i)->m_name,
						   m_destLength, buf + m_destPtr);
				}
			break;
			}

		default:
			if (logLevel >= 2)
				printf(_("Unknown file flags %d\n"), m_flags);
		}
	*base += size;
	return rc;
}

uint8_t*
SISFileRecord::getFilePtr(int fileNo)
{
	if (fileNo < 0)
		return 0;
	if (m_filePtrs[fileNo] >= m_len)
		return 0;
	return &m_buf[m_filePtrs[fileNo]];
}

void
SISFileRecord::setMainDrive(char drive)
{
	if (m_buf[m_destPtr] == '!')
		m_buf[m_destPtr] = drive;
}