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properly handle empty CFStringRefs.

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This commit is contained in:
Robin Gareus 2015-03-08 01:38:47 +01:00
parent 23a6526de7
commit 95631cdc25
1 changed files with 5 additions and 1 deletions
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6
libs/backends/coreaudio/coremidi_io.cc
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@ -46,7 +46,11 @@ static void midiInputCallback(const MIDIPacketList *list, void *procRef, void *s
static std::string getDisplayName(MIDIObjectRef object) static std::string getDisplayName(MIDIObjectRef object)
{ {
CFStringRef name = nil; CFStringRef name = nil;
if (noErr != MIDIObjectGetStringProperty(object, kMIDIPropertyDisplayName, &name) && name) { if (noErr != MIDIObjectGetStringProperty(object, kMIDIPropertyDisplayName, &name)) {
return "";
}
if (!CFStringGetCStringPtr(name, kCFStringEncodingUTF8)) {
if (name) CFRelease(name);
return ""; return "";
} }
std::string rv (CFStringGetCStringPtr(name, kCFStringEncodingUTF8)); std::string rv (CFStringGetCStringPtr(name, kCFStringEncodingUTF8));