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GLFW: Cocoa: Fix potential leak of CFNumber object

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From upstream: a2674a9034.
This commit is contained in:
Luflosi 2020-07-24 00:09:00 +02:00
parent 1ef2880c6c
commit 6b3f774f05
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GPG Key ID: 4E41E29EDCC345D0
1 changed files with 12 additions and 6 deletions
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18
glfw/cocoa_monitor.m
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@ -279,14 +279,20 @@ static double getFallbackRefreshRate(CGDirectDisplayID displayID)
CFSTR("IOFBCurrentPixelCount"), CFSTR("IOFBCurrentPixelCount"),
kCFAllocatorDefault, kCFAllocatorDefault,
kNilOptions); kNilOptions);
if (!clockRef || !countRef)
break;
uint32_t clock = 0, count = 0; uint32_t clock = 0, count = 0;
CFNumberGetValue(clockRef, kCFNumberIntType, &clock);
CFNumberGetValue(countRef, kCFNumberIntType, &count); if (clockRef)
CFRelease(clockRef); {
CFRelease(countRef); CFNumberGetValue(clockRef, kCFNumberIntType, &clock);
CFRelease(clockRef);
}
if (countRef)
{
CFNumberGetValue(countRef, kCFNumberIntType, &count);
CFRelease(countRef);
}
if (clock > 0 && count > 0) if (clock > 0 && count > 0)
refreshRate = clock / (double) count; refreshRate = clock / (double) count;