[API] Add HB_UNTAG()

Useful in C API only.
2011-05-11 18:06:12 -04:00 · 2011-05-11 18:06:12 -04:00 · d3b30be378
parent 3cc6e9dcb4
commit d3b30be378
1 changed files with 1 additions and 0 deletions
--- a/src/hb-common.h
+++ b/src/hb-common.h
@ -74,6 +74,7 @@ typedef union _hb_var_int_t {
 typedef uint32_t hb_tag_t;

 #define HB_TAG(a,b,c,d) ((hb_tag_t)((((uint8_t)(a))<<24)|(((uint8_t)(b))<<16)|(((uint8_t)(c))<<8)|((uint8_t)(d))))
+#define HB_UNTAG(tag)   ((uint8_t)((tag)>>24)), ((uint8_t)((tag)>>16)), ((uint8_t)((tag)>>8)), ((uint8_t)(tag))

 #define HB_TAG_NONE HB_TAG(0,0,0,0)