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git-svn-id: https://profuse.googlecode.com/svn/branches/v2@183 aa027e90-d47c-11dd-86d7-074df07e0730

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ksherlock
2009-12-16 01:33:28 +00:00
parent 70dfd5b485
commit bd063227e2
14 changed files with 136 additions and 94 deletions
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41
Device/DiskCopy42Image.cpp
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@@ -1,15 +1,22 @@
#include "DiskCopy42Image.h"
#include "MappedFile.h"
#include "Buffer.h"
#include "Endian.h"
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace ProFUSE;
#include <Device/DiskCopy42Image.h>
#include <Device/MappedFile.h>
#include <Endian/Endian.h>
#include <Endian/IOBuffer.h>
using namespace Device;
using namespace BigEndian;
using ProFUSE::Exception;
using ProFUSE::POSIXException;
DiskCopy42Image::DiskCopy42Image(MappedFile *f) :
DiskImage(f),
_changed(false)
@@ -97,30 +104,32 @@ DiskCopy42Image *DiskCopy42Image::Create(const char *name, size_t blocks, const
file->setOffset(84);
file->setBlocks(blocks);
Buffer header(84);
uint8_t tmp[84];
IOBuffer header(tmp, 84);
// name -- 64byte pstring.
if (vname == NULL) vname = "Untitled";
unsigned l = std::strlen(vname);
header.push8(std::min(l, 63u));
header.pushBytes(vname, std::min(l, 63u));
header.write8(std::min(l, 63u));
header.writeBytes(vname, std::min(l, 63u));
header.resize(64);
//header.resize(64);
header.setOffset(64, true);
// data size -- number of bytes
header.push32be(blocks * 512);
header.write32(blocks * 512);
// tag size
header.push32be(0);
header.write32(0);
// data checksum
// if data is 0, will be 0.
//header.push32be(Checksum(file->fileData(), blocks * 512));
header.push32be(0);
header.write32(0);
// tag checksum
header.push32be(0);
header.write32(0);
// disk format.
/*
@@ -130,7 +139,7 @@ DiskCopy42Image *DiskCopy42Image::Create(const char *name, size_t blocks, const
* 3 = 1440k
* 0xff = other
*/
header.push8(DiskFormat(blocks));
header.write8(DiskFormat(blocks));
// formatbyte
/*
@@ -138,10 +147,10 @@ DiskCopy42Image *DiskCopy42Image::Create(const char *name, size_t blocks, const
* 0x22 = >400k mac
* 0x24 = 800k appleII
*/
header.push8(FormatByte(blocks));
header.write8(FormatByte(blocks));
// private
header.push16be(0x100);
header.write16(0x100);
std::memcpy(file->fileData(), header.buffer(), 84);
file->sync();