diff options
| author | José Fonseca <jfonseca@vmware.com> | 2010-05-30 16:36:08 +0100 |
|---|---|---|
| committer | José Fonseca <jfonseca@vmware.com> | 2010-05-30 16:36:08 +0100 |
| commit | 6f67a71aada11a097c7c11db8f11cd56557354ab (patch) | |
| tree | 25e5bc067e508b99a359e0527e0870e747a70c5c /src/gallium | |
| parent | 18fb9ff6d8f58a08e559070cf29f26ed0caa567f (diff) | |
util: Generic pointer to func conversion helper.
That observes strict-aliasing rules.
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/util/u_pointer.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_pointer.h b/src/gallium/auxiliary/util/u_pointer.h index e1af9f11cb9..ae6f43bff87 100644 --- a/src/gallium/auxiliary/util/u_pointer.h +++ b/src/gallium/auxiliary/util/u_pointer.h @@ -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 |