mpw/toolbox/os_fileinfo.cpp

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/*
* Copyright (c) 2013, Kelvin W Sherlock
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
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#include <cerrno>
#include <cctype>
#include <ctime>
#include <algorithm>
#include <chrono>
#include <deque>
#include <string>
#include <sys/xattr.h>
#include <sys/stat.h>
#include <sys/paths.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <strings.h>
#include <cpu/defs.h>
#include <cpu/CpuModule.h>
#include <cpu/fmem.h>
#include <macos/sysequ.h>
#include <macos/errors.h>
#include "os.h"
#include "os_internal.h"
#include "toolbox.h"
#include "stackframe.h"
using ToolBox::Log;
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using MacOS::macos_error_from_errno;
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namespace {
uint32_t rforksize(const std::string &path)
{
ssize_t rv;
rv = getxattr(path.c_str(), XATTR_RESOURCEFORK_NAME, nullptr, 0, 0, 0);
if (rv < 0) return 0;
return rv;
}
uint32_t rforksize(int fd)
{
ssize_t rv;
rv = fgetxattr(fd, XATTR_RESOURCEFORK_NAME, nullptr, 0, 0, 0);
if (rv < 0) return 0;
return rv;
}
}
namespace OS {
uint16_t GetFileInfo(uint16_t trap)
{
enum { // FileParam
_qLink = 0,
_qType = 4,
_ioTrap = 6,
_ioCmdAddr = 8,
_ioCompletion = 12,
_ioResult = 16,
_ioNamePtr = 18,
_ioVRefNum = 22,
_ioFRefNum = 24,
_ioFVersNum = 26,
_filler1 = 27,
_ioFDirIndex = 28,
_ioFlAttrib = 30,
_ioFlVersNum = 31,
_ioFlFndrInfo = 32,
_ioFlNum = 48, // ioDirID in other
_ioFlStBlk = 52,
_ioFlLgLen = 54,
_ioFlPyLen = 58,
_ioFlRStBlk = 62,
_ioFlRLgLen = 64,
_ioFlRPyLen = 68,
_ioFlCrDat = 72,
_ioFlMdDat = 76,
};
uint16_t d0;
uint32_t parm = cpuGetAReg(0);
Log("%04x GetFileInfo($%08x)\n", trap, parm);
//uint32_t ioCompletion = memoryReadLong(parm + _ioCompletion);
uint32_t ioNamePtr = memoryReadLong(parm + _ioNamePtr);
//uint16_t ioVRefNum = memoryReadWord(parm + _ioVRefNum);
//uint8_t ioFVersNum = memoryReadByte(parm + _ioFVersNum);
int16_t ioFDirIndex = memoryReadWord(parm + _ioFDirIndex);
if (ioFDirIndex <= 0)
{
// based name
std::string sname;
if (!ioNamePtr)
{
d0 = MacOS::bdNamErr;
memoryWriteWord(d0, parm + _ioResult);
return d0;
}
sname = ToolBox::ReadPString(ioNamePtr, true);
Log(" GetFileInfo(%s)\n", sname.c_str());
// todo -- how are absolute, relative, etc paths handled...
struct stat st;
if (::stat(sname.c_str(), &st) < 0)
{
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d0 = macos_error_from_errno();
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memoryWriteWord(d0, parm + _ioResult);
return d0;
}
Internal::GetFinderInfo(sname, memoryPointer(parm + _ioFlFndrInfo), false);
// file reference number
memoryWriteWord(0, parm + _ioFRefNum);
// file attributes
memoryWriteByte(0, parm + _ioFlAttrib);
// version (unused)
memoryWriteByte(0, parm + _ioFlVersNum);
// file id
memoryWriteLong(0, parm + _ioFlNum);
// file size
memoryWriteWord(0, parm + _ioFlStBlk);
memoryWriteLong(st.st_size, parm + _ioFlLgLen);
memoryWriteLong(st.st_size, parm + _ioFlPyLen);
// create date.
memoryWriteLong(UnixToMac(st.st_birthtime), parm + _ioFlCrDat);
memoryWriteLong(UnixToMac(st.st_mtime), parm + _ioFlMdDat);
// res fork...
uint32_t rf = rforksize(sname);
memoryWriteWord(0, parm + _ioFlRStBlk);
memoryWriteLong(rf, parm + _ioFlRLgLen);
memoryWriteLong(rf, parm + _ioFlRPyLen);
// no error.
memoryWriteWord(0, parm + _ioResult);
}
else
{
fprintf(stderr, "GetFileInfo -- ioFDirIndex not yet supported\n");
exit(1);
}
// if iocompletion handler && asyn call....
return 0;
}
uint16_t SetFileInfo(uint16_t trap)
{
enum { // FileParam
_qLink = 0,
_qType = 4,
_ioTrap = 6,
_ioCmdAddr = 8,
_ioCompletion = 12,
_ioResult = 16,
_ioNamePtr = 18,
_ioVRefNum = 22,
_ioFRefNum = 24,
_ioFVersNum = 26,
_filler1 = 27,
_ioFDirIndex = 28,
_ioFlAttrib = 30,
_ioFlVersNum = 31,
_ioFlFndrInfo = 32,
_ioFlNum = 48, // ioDirID in other
_ioFlStBlk = 52,
_ioFlLgLen = 54,
_ioFlPyLen = 58,
_ioFlRStBlk = 62,
_ioFlRLgLen = 64,
_ioFlRPyLen = 68,
_ioFlCrDat = 72,
_ioFlMdDat = 76,
};
std::string sname;
uint16_t d0;
uint32_t parm = cpuGetAReg(0);
Log("%04x SetFileInfo($%08x)\n", trap, parm);
//uint32_t ioCompletion = memoryReadLong(parm + _ioCompletion);
uint32_t ioNamePtr = memoryReadLong(parm + _ioNamePtr);
//uint16_t ioVRefNum = memoryReadWord(parm + _ioVRefNum);
//uint8_t ioFVersNum = memoryReadByte(parm + _ioFVersNum);
//int16_t ioFDirIndex = memoryReadWord(parm + _ioFDirIndex);
// + 32 = finder data - 16 bytes.
//uint32_t ioFlCrDat = memoryReadLong(parm + 72);
//uint32_t ioFlMdDat = memoryReadLong(parm + 76);
// currently, only sets finder info.
if (!ioNamePtr)
{
d0 = MacOS::bdNamErr;
memoryWriteWord(d0, parm + _ioResult);
return d0;
}
sname = ToolBox::ReadPString(ioNamePtr, true);
Log(" SetFileInfo(%s)\n", sname.c_str());
// check if the file actually exists
{
struct stat st;
int ok;
ok = ::stat(sname.c_str(), &st);
if (ok < 0)
{
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d0 = macos_error_from_errno();
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memoryWriteWord(d0, parm + _ioResult);
return d0;
}
}
d0 = Internal::SetFinderInfo(sname, memoryPointer(parm + 32), false);
memoryWriteWord(d0, parm + _ioResult);
return d0;
}
uint16_t HGetFileInfo(uint16_t trap)
{
enum { // HFileParam
_qLink = 0,
_qType = 4,
_ioTrap = 6,
_ioCmdAddr = 8,
_ioCompletion = 12,
_ioResult = 16,
_ioNamePtr = 18,
_ioVRefNum = 22,
_ioFRefNum = 24,
_ioFVersNum = 26,
_filler1 = 27,
_ioFDirIndex = 28,
_ioFlAttrib = 30,
_ioFlVersNum = 31,
_ioFlFndrInfo = 32,
_ioDirID = 48, // ioFLNum in other
_ioFlStBlk = 52,
_ioFlLgLen = 54,
_ioFlPyLen = 58,
_ioFlRStBlk = 62,
_ioFlRLgLen = 64,
_ioFlRPyLen = 68,
_ioFlCrDat = 72,
_ioFlMdDat = 76,
};
// close enough... for now.
return GetFileInfo(trap);
}
}