OSErr
XPFIODevice::getRegistryProperty (REG_ENTRY_TYPE entry, char *key, char *value)
{
value[0] = 0;
#ifdef __MACH__
CFStringRef cfKey = CFStringCreateWithCString (NULL, key, kCFStringEncodingASCII);
CFTypeRef cfValue = IORegistryEntryCreateCFProperty (entry, cfKey, NULL, 0);
if (!cfValue) return -1;
if (CFGetTypeID (cfValue) == CFDataGetTypeID ()) {
memcpy (value, CFDataGetBytePtr ((CFDataRef) cfValue), CFDataGetLength ((CFDataRef) cfValue));
value [CFDataGetLength ((CFDataRef) cfValue)] = 0;
CFRelease (cfValue);
}
return noErr;
#else
RegPropertyValueSize propSize;
OSErr err = RegistryPropertyGetSize (entry, key, &propSize);
if (err == noErr) {
RegistryPropertyGet (entry, key, value, &propSize);
value[propSize] = '\0';
}
return err;
#endif
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Store an error value and text string into the registry.
*/
void
PublishInitFailureMsg( /* Initialization failure */
OSStatus errorStatus, /* Writes this value and this */
ConstStr255Param messageText /* text into the name registry */
)
{
OSStatus status;
RegPropertyValueSize size;
Str255 work;
SInt32 failureCode;
Trace(PublishInitFailureMsg);
PStrCopy(work, (messageText == NULL) ? "\pUnknown reason" : messageText);
if (work[0] > 254) work[0] = 254;
work[++work[0]] = 0; /* C string terminator */
failureCode = errorStatus;
/*
* Does the property currently exist - if so, exit so as we only want the first.
*/
status = RegistryPropertyGetSize( /* returns noErr if the property exists */
&GLOBAL.deviceEntry,
kDriverFailTextPropertyName,
&size
);
if (status != noErr) {
status = RegistryPropertyCreate( /* Make a new property */
&GLOBAL.deviceEntry, /* RegEntryID */
kDriverFailTextPropertyName, /* Property name */
(RegPropertyValue *) &work[1], /* -> Property contents */
work[0] /* Property size */
);
CheckStatus(status, "PublishInitFailureMsg - RegistryPropertyCreate");
} else
{
status = RegistryPropertySet( &GLOBAL.deviceEntry,
kDriverFailTextPropertyName,
(RegPropertyValue *) &work[1],
work[0] );
}
status = RegistryPropertyGetSize( /* returns noErr if the property exists */
&GLOBAL.deviceEntry,
kDriverFailCodePropertyName,
&size
);
if (status != noErr) {
status = RegistryPropertyCreate( /* Make a new property */
&GLOBAL.deviceEntry, /* RegEntryID */
kDriverFailCodePropertyName, /* Property name */
(RegPropertyValue *) &failureCode, /* -> Property contents */
sizeof(SInt32) /* Property size */
);
CheckStatus(status, "PublishInitFailureMsg - RegistryPropertyCreate (2)");
} else
{
status = RegistryPropertySet( &GLOBAL.deviceEntry,
kDriverFailCodePropertyName,
(RegPropertyValue *) &failureCode,
sizeof(SInt32) );
}
}