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Add more portable way of getting OS version major/minor without using objc_msgSend_stret

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(breaks on macOS/AArch64) by using NSInvocation - credit to OpenJDK
This commit is contained in:
twinaphex 2021-03-15 00:45:38 +01:00
parent 6162b21c93
commit da7109265c
1 changed files with 8 additions and 1 deletions
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9
frontend/drivers/platform_darwin.m
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@ -311,6 +311,8 @@ static void frontend_darwin_get_os(char *s, size_t len, int *major, int *minor)
*major = (int)version.majorVersion;
*minor = (int)version.minorVersion;
#else
/* MacOS 10.9 includes the [NSProcessInfo operatingSystemVersion] function, but it's not in the 10.9 SDK. So, call it via NSInvocation */
/* Credit: OpenJDK (https://github.com/openjdk/jdk/commit/d4c7db50) */
if ([[NSProcessInfo processInfo] respondsToSelector:@selector(operatingSystemVersion)])
{
typedef struct
@ -319,7 +321,12 @@ static void frontend_darwin_get_os(char *s, size_t len, int *major, int *minor)
NSInteger minorVersion;
NSInteger patchVersion;
} NSMyOSVersion;
NSMyOSVersion version = ((NSMyOSVersion(*)(id, SEL))objc_msgSend_stret)([NSProcessInfo processInfo], @selector(operatingSystemVersion));
NSMyOSVersion version;
NSMethodSignature *sig = [[NSProcessInfo processInfo] methodSignatureForSelector:@selector(operatingSystemVersion)];
NSInvocation *invoke = [NSInvocation invocationWithMethodSignature:sig];
invoke.selector = @selector(operatingSystemVersion);
[invoke invokeWithTarget:[NSProcessInfo processInfo]];
[invoke getReturnValue:&version];
*major = (int)version.majorVersion;
*minor = (int)version.minorVersion;
}