diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-common.h')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-common.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-common.h b/src/3rdparty/harfbuzz-ng/src/hb-common.h index e445504550..c8bfd8825a 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-common.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-common.h @@ -94,6 +94,7 @@ typedef uint32_t hb_tag_t; #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) +#define HB_TAG_MAX HB_TAG(0xff,0xff,0xff,0xff) /* len=-1 means str is NUL-terminated. */ hb_tag_t @@ -270,7 +271,12 @@ typedef enum /*6.1*/ HB_SCRIPT_TAKRI = HB_TAG ('T','a','k','r'), /* No script set. */ - /*---*/ HB_SCRIPT_INVALID = HB_TAG_NONE + /*---*/ HB_SCRIPT_INVALID = HB_TAG_NONE, + + /* Dummy value to ensure any hb_tag_t value can be passed/stored as hb_script_t + * without risking undefined behavior. */ + /*---*/ _HB_SCRIPT_MAX_VALUE = HB_TAG_MAX + } hb_script_t; /* These are moved out of hb_script_t because glib-mkenums chokes otherwise. */ |