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improve PBGetCatInfo

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This commit is contained in:
Kelvin Sherlock 2016-07-31 13:26:22 -04:00
parent 3ef7de4b8a
commit 58f4ca4ac6
1 changed files with 58 additions and 15 deletions
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67
toolbox/os_hfs_dispatch.cpp
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@ -301,11 +301,18 @@ namespace OS {
//uint16_t ioVRefNum = memoryReadWord(parm + _ioVRefNum);
//uint8_t ioFVersNum = memoryReadByte(parm + _ioFVersNum);
int16_t ioFDirIndex = memoryReadWord(parm + _ioFDirIndex);
uint32_t ioDirID = memoryReadLong(parm + _ioDirID);
if (ioFDirIndex <= 0)
if (ioFDirIndex == 0)
{
// based name
std::string sname;
/*
* If this field contains 0, PBGetCatInfo returns
* information about the file or directory whose name is
* specified in the ioNamePtr field and that is located in the
* directory specified by the ioVRefNum field. (Once again, if
* ioVRefNum contains a volume reference number, the specified
* directory is that volume's root directory.)
*/
if (!ioNamePtr)
{
@ -313,23 +320,59 @@ namespace OS {
return MacOS::bdNamErr;
}
sname = ToolBox::ReadPString(ioNamePtr, true);
{
uint32_t ioDirID = memoryReadLong(parm + _ioDirID);
std::string sname = ToolBox::ReadPString(ioNamePtr, true);
sname = FSSpecManager::ExpandPath(sname, ioDirID);
}
Log(" PBGetCatInfo(%s)\n", sname.c_str());
d0 = CatInfoByName(sname, parm);
memoryWriteWord(d0, parm + _ioResult);
return d0;
}
else if (ioFDirIndex < 0) {
/*
* If this field contains a negative number, PBGetCatInfo ignores the
* ioNamePtr field and returns information about the directory specified
* in the ioDirID field. If both ioDirID and ioVRefNum are set to 0,
* PBGetCatInfo returns information about the current default directory.
*/
Log(" PBGetCatInfo(%04x)\n", ioDirID);
std::string sname = FSSpecManager::PathForID(ioDirID);
if (sname.empty()) {
char buffer[MAXPATHLEN];
char *cp;
cp = getcwd(buffer, sizeof(buffer));
sname = cp ? cp : ".";
}
d0 = CatInfoByName(sname, parm);
if (ioNamePtr) {
std::string basename;
auto pos = sname.rfind('/');
if (pos == sname.npos) basename = std::move(sname);
else basename = sname.substr(pos+1);
ToolBox::WritePString(ioNamePtr, basename);
}
}
else
{
// dirent ish. ioFDirIndex is the 1-based entry.
uint32_t ioDirID = memoryReadLong(parm + _ioDirID);
/*
* If this field contains a positive number, PBGetCatInfo returns
* information about the file or directory having that directory index in
* the directory specified by the ioVRefNum field. (If ioVRefNum contains a
* volume reference number, the specified directory is that volume's root
* directory.)
*/
Log(" PBGetCatInfo(%04x, %04x)\n", ioDirID, ioFDirIndex);
@ -375,10 +418,10 @@ namespace OS {
d0 = CatInfoByName(sname, parm);
}
memoryWriteWord(d0, parm + _ioResult);
return d0;
}
return 0;
}