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fix high-level dispatch to properly return errors.

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This commit is contained in:
Kelvin Sherlock 2014-12-22 15:23:10 -05:00
parent f1566cce45
commit d8f6edd964
1 changed files with 26 additions and 19 deletions
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45
toolbox/os_highlevel.cpp
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@ -81,11 +81,10 @@ namespace OS {
{
char buffer[PATH_MAX + 1];
// TODO -- FSSpecs are valid for non-existant files
// FSSpecs are valid for non-existant files
// but not non-existant directories.
// realpath does not behave in such a manner.
// expand the path. Also handles relative paths.
char *cp = ::fs_spec_realpath(path.c_str(), buffer);
if (!cp)
@ -113,8 +112,6 @@ namespace OS {
uint32_t spec;
StackFrame<14>(vRefNum, dirID, fileName, spec);
std::string sname = ToolBox::ReadPString(fileName, true);
@ -171,7 +168,6 @@ namespace OS {
// write the filename...
ToolBox::WritePString(spec + 6, leaf);
// TODO -- return fnf if file does not exist.
return 0;
}
@ -193,6 +189,7 @@ namespace OS {
uint32_t spec;
uint32_t finderInfo;
uint16_t d0;
StackFrame<8>(spec, finderInfo);
@ -206,9 +203,8 @@ namespace OS {
Log(" FSpGetFInfo(%s, %08x)\n", path.c_str(), finderInfo);
Internal::GetFinderInfo(path, memoryPointer(finderInfo), false);
return 0;
d0 = Internal::GetFinderInfo(path, memoryPointer(finderInfo), false);
return d0;
}
uint16_t FSpSetFInfo()
@ -217,7 +213,7 @@ namespace OS {
uint32_t spec;
uint32_t finderInfo;
uint16_t d0;
uint16_t d0 = 0;
StackFrame<8>(spec, finderInfo);
@ -241,10 +237,16 @@ namespace OS {
uint16_t ResolveAliasFile()
{
// FUNCTION ResolveAliasFile (VAR theSpec: FSSpec;
// resolveAliasChains: Boolean;
// VAR targetIsFolder: Boolean;
// VAR wasAliased: Boolean): OSErr;
uint32_t spec;
uint16_t resolveAliasChains;
uint32_t targetIsFolder;
uint32_t wasAliased;
uint16_t d0 = 0;
StackFrame<14>(spec, resolveAliasChains, targetIsFolder, wasAliased);
@ -261,17 +263,16 @@ namespace OS {
int rv;
rv = ::stat(path.c_str(), &st);
if (rv < 0) return macos_error_from_errno();
if (rv < 0)
return macos_error_from_errno();
if (targetIsFolder)
{
memoryWriteWord(S_ISDIR(st.st_mode) ? 1 : 0, targetIsFolder);
}
memoryWriteWord(S_ISDIR(st.st_mode) ? 1 : 0, targetIsFolder);
// don't bother pretending a soft link is an alias.
if (wasAliased) memoryWriteWord(0, wasAliased);
return 0;
return d0;
}
@ -298,6 +299,7 @@ namespace OS {
*/
uint16_t selector;
uint16_t d0;
selector = cpuGetDReg(0) & 0xffff;
Log("%04x HighLevelHFSDispatch(%04x)\n", trap, selector);
@ -305,22 +307,24 @@ namespace OS {
switch (selector)
{
case 0x0001:
return FSMakeFSSpec();
d0 = FSMakeFSSpec();
break;
case 0x0007:
return FSpGetFInfo();
d0 = FSpGetFInfo();
break;
case 0x0008:
return FSpSetFInfo();
d0 = FSpSetFInfo();
break;
case 0x000d:
return RM::FSpOpenResFile();
d0 = RM::FSpOpenResFile();
break;
case 0x000e:
return RM::FSpCreateResFile();
d0 = RM::FSpCreateResFile();
break;
default:
fprintf(stderr, "HighLevelHFSDispatch selector %04x not yet supported\n", selector);
@ -328,6 +332,9 @@ namespace OS {
}
ToolReturn<2>(-1, d0);
return d0;
}
uint16_t HGetVol(uint16_t trap)