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Check for NULL.

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This commit is contained in:
Steve Checkoway
2006-02-10 09:41:42 +00:00
parent 3f199dbf2a
commit 5c5655b137
1 changed files with 1 additions and 1 deletions
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stepmania/src/archutils/Darwin/HIDDevice.h
+1 -1
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@@ -30,7 +30,7 @@ inline void PrintIOErr( IOReturn err, const char *s )
inline Boolean IntValue( CFTypeRef o, int &n )
{
if( CFGetTypeID(o) != CFNumberGetTypeID() )
if( !o || CFGetTypeID(o) != CFNumberGetTypeID() )
return false;
return CFNumberGetValue( CFNumberRef(o), kCFNumberIntType, &n );
}