SetFileInfo

This commit is contained in:
Kelvin Sherlock 2013-02-12 22:35:15 -05:00
parent 7aed11c76b
commit 29fb14ffd2
4 changed files with 157 additions and 11 deletions

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@ -1,24 +1,55 @@
#include "os.h"
#include "toolbox.h"
#include <cpu/defs.h>
#include <cpu/CpuModule.h>
#include <cpu/fmem.h>
#include <string>
#include <cerrno>
#include <sys/xattr.h>
#include <sys/stat.h>
#include <sys/paths.h>
#include <stdlib.h>
namespace {
using namespace OS;
uint16_t errno_to_oserr(int xerrno)
{
switch (xerrno)
{
case EBADF: return rfNumErr;
case EIO: return ioErr;
case EACCES: return permErr;
case ENOENT: return fnfErr;
case ENOTDIR: return dirNFErr;
case EISDIR: return notAFileErr;
case ENOTSUP: return extFSErr;
case EROFS: return wPrErr;
case EDQUOT: return dskFulErr;
case ENOSPC: return dskFulErr;
default:
return ioErr;
}
}
}
namespace OS
{
uint16_t GetFileInfo(uint16_t trap)
{
uint32_t parm = cpuGetAReg(0);
uint16_t d0;
uint32_t parm = cpuGetAReg(0);
fprintf(stderr, "%04x GetFileInfo(%08x)\n", trap, parm);
@ -39,12 +70,7 @@ namespace OS
return bdNamErr;
}
int l = memoryReadByte(ioNamePtr);
sname.reserve(l);
for (unsigned i = 0; i < l; ++i)
{
sname.push_back(memoryReadByte(ioNamePtr + 1 + i));
}
sname = ToolBox::ReadPString(ioNamePtr);
// todo -- how are absolute, relative, etc paths handled...
@ -53,8 +79,10 @@ namespace OS
if (::stat(sname.c_str(), &st) < 0)
{
memoryWriteWord(bdNamErr, parm + 16);
return fnfErr;
d0 = errno_to_oserr(errno);
memoryWriteWord(d0, parm + 16);
return d0;
}
// finder info
@ -126,4 +154,79 @@ namespace OS
return 0;
}
uint16_t SetFileInfo(uint16_t trap)
{
std::string sname;
uint16_t d0;
uint32_t parm = cpuGetAReg(0);
fprintf(stderr, "%04x SetFileInfo(%08x)\n", trap, parm);
uint32_t ioCompletion = memoryReadLong(parm + 12);
uint32_t ioNamePtr = memoryReadLong(parm + 18);
uint16_t ioVRefNum = memoryReadWord(parm + 22);
uint8_t ioFVersNum = memoryReadByte(parm + 26);
//int16_t ioFDirIndex = memoryReadWord(parm + 28);
// + 32 = finder data - 16 bytes.
uint32_t ioFlCrDat = memoryReadLong(parm + 72);
uint32_t ioFlMdDat = memoryReadLong(parm + 76);
// currently, only sets finder info.
if (!ioNamePtr)
{
memoryWriteWord(bdNamErr, parm + 16);
return bdNamErr;
}
sname = ToolBox::ReadPString(ioNamePtr);
// check if the file actually exists
{
struct stat st;
int ok;
ok = ::stat(sname.c_str(), &st);
if (ok < 0)
{
d0 = errno_to_oserr(errno);
memoryWriteWord(d0, parm + 16);
return d0;
}
}
// finder info is actually 32 bytes, so read and update the first 16.
{
uint8_t buffer[32];
int ok;
std::memset(buffer, 0, sizeof(buffer));
ok = ::getxattr(sname.c_str(), XATTR_FINDERINFO_NAME, buffer, 32, 0, 0);
// only 16 bytes copied.
std::memcpy(buffer, memoryPointer(parm + 32), 16);
ok = ::setxattr(sname.c_str(), XATTR_FINDERINFO_NAME, buffer, 32, 0, 0);
if (ok < 0)
{
d0 = errno_to_oserr(errno);
memoryWriteWord(d0, parm + 16);
return d0;
}
}
d0 = 0;
memoryWriteWord(d0, parm + 16);
return d0;
}
}

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@ -100,6 +100,7 @@ namespace OS
uint16_t GetFileInfo(uint16_t trap);
uint16_t SetFileInfo(uint16_t trap);
}
#endif

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@ -11,11 +11,17 @@
#include "mm.h"
#include "os.h"
#include <string>
// yuck. TST.W d0
extern "C" void cpuSetFlagsNZ00NewW(UWO res);
namespace ToolBox {
void dispatch(uint16_t trap)
{
// todo -- check/remove extra bits for save a0, toolglue, etc.
@ -26,6 +32,9 @@ namespace ToolBox {
case 0xA00C:
d0 = OS::GetFileInfo(trap);
break;
case 0xa00d:
d0 = OS::SetFileInfo(trap);
break;
// BlockMove (sourcePtr,destPtr: Ptr; byteCount: Size);
case 0xa02e:
@ -62,4 +71,31 @@ namespace ToolBox {
cpuSetFlagsNZ00NewW(d0);
}
std::string ReadCString(uint32_t address)
{
std::string tmp;
if (address)
{
tmp.assign((char *)memoryPointer(address));
}
return tmp;
}
std::string ReadPString(uint32_t address)
{
std::string tmp;
if (address)
{
unsigned length = memoryReadByte(address);
tmp.assign((char *)memoryPointer(address + 1), length);
}
return tmp;
}
}

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@ -1,9 +1,15 @@
#ifndef __mpw_toolbox_h__
#define __mpw_toolbox_h__
#include <string>
namespace ToolBox
{
void dispatch(uint16_t trap);
std::string ReadCString(uint32_t address);
std::string ReadPString(uint32_t address);
}