NSIS/Source/writer.cpp
joostverburg e497d771b1 * The LZMA compression module for NSIS is now licensed under the Common Public License version 1.0
* Added license and copyright notice to every source file
* The new COPYING file and license section in the Users Manual list the terms of all relevant licenses


git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4787 212acab6-be3b-0410-9dea-997c60f758d6
2006-10-28 19:45:02 +00:00

89 lines
1.8 KiB
C++

/*
* writer.cpp
*
* This file is a part of NSIS.
*
* Copyright (C) 1999-2006 Nullsoft and Contributors
*
* Licensed under the zlib/libpng license (the "License");
* you may not use this file except in compliance with the License.
*
* Licence details can be found in the file COPYING.
*
* This software is provided 'as-is', without any express or implied
* warranty.
*/
#include "exehead/config.h"
#include "writer.h"
#include "growbuf.h"
#include "util.h"
#include <string.h>
#include <stdlib.h>
#include <stdexcept>
void writer_sink::write_byte(const unsigned char b)
{
write_data(&b, 1);
}
void writer_sink::write_short(const short s)
{
short fs = FIX_ENDIAN_INT16(s);
write_data(&fs, sizeof(short));
}
void writer_sink::write_int(const int i)
{
int fi = FIX_ENDIAN_INT32(i);
write_data(&fi, sizeof(int));
}
void writer_sink::write_int_array(const int i[], const size_t len)
{
for (size_t l = 0; l < len; l++)
{
write_int(i[l]);
}
}
void writer_sink::write_string(const char *s)
{
write_data(s, strlen(s) + 1);
}
void writer_sink::write_string(const char *s, const size_t size)
{
char *wb = new char[size];
memset(wb, 0, size);
strncpy(wb, s, size);
write_data(wb, size);
delete [] wb;
}
void writer_sink::write_growbuf(const IGrowBuf *b)
{
write_data(b->get(), b->getlen());
}
void growbuf_writer_sink::write_data(const void *data, const size_t size)
{
m_buf->add(data, size);
}
void file_writer_sink::write_data(const void *data, const size_t size)
{
if (fwrite(data, 1, size, m_fp) != size)
{
throw std::runtime_error("error writing");
}
}
#ifdef NSIS_CONFIG_CRC_SUPPORT
#include "crc32.h"
void crc_writer_sink::write_data(const void *data, const size_t size)
{
*m_crc = CRC32(*m_crc, (const unsigned char *) data, size);
}
#endif