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util: Generic pointer to func conversion helper.

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That observes strict-aliasing rules.
This commit is contained in:
José Fonseca 2010-05-30 16:36:08 +01:00
parent 18fb9ff6d8
commit 6f67a71aad
1 changed files with 12 additions and 0 deletions
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12
src/gallium/auxiliary/util/u_pointer.h
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@ -98,6 +98,18 @@ align16( void *unaligned )
return align_pointer( unaligned, 16 );
}
typedef void (*func_pointer)(void);
static INLINE func_pointer
pointer_to_func( void *p )
{
union {
void *p;
func_pointer f;
} pf;
pf.p = p;
return pf.f;
}
#ifdef __cplusplus