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Cast objc_msgSend before calling it 

Calling objc_msgSend with its vararg signature will only work most
of the time, and fail very weirdly when it doesn't. It's weird,
but you're supposed to always cast it to the signature of the
selector you're calling.

I think this is even required when building on Catalina, or for arm64?
This commit is contained in:
Nevyn Bengtsson 2019-10-15 22:00:15 +02:00
parent 4d2aa81647
commit ab6e4891e1
1 changed files with 4 additions and 4 deletions
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8
src/modules/filesystem/filesystem.c
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@ -45,14 +45,14 @@ static struct {
// On macOS, we have to use Objective C to find it inside the .app folder.
static bool getBundlePath(char* buffer, size_t size) {
#ifdef __APPLE__
id extension = objc_msgSend((id) objc_getClass("NSString"), sel_registerName("stringWithUTF8String:"), "lovr");
id bundle = objc_msgSend((id) objc_getClass("NSBundle"), sel_registerName("mainBundle"));
id path = objc_msgSend(bundle, sel_registerName("pathForResource:ofType:"), nil, extension);
id extension = ((id(*)(Class, SEL, char*))objc_msgSend)(objc_getClass("NSString"), sel_registerName("stringWithUTF8String:"), "lovr");
id bundle = ((id(*)(Class, SEL))objc_msgSend)(objc_getClass("NSBundle"), sel_registerName("mainBundle"));
id path = ((id(*)(id, SEL, char*, id))objc_msgSend)(bundle, sel_registerName("pathForResource:ofType:"), nil, extension);
if (path == nil) {
return false;
}
const char* cpath = (const char*) objc_msgSend(path, sel_registerName("UTF8String"));
const char* cpath = ((const char*(*)(id, SEL))objc_msgSend)(path, sel_registerName("UTF8String"));
if (!cpath) {
return false;
}