~ecs/yasu-busybox

dac0a7d2341368a1b8e06d1a0c5ca0c76e90b6f9 — Denys Vlasenko 1 year, 2 months ago 4767a53
unicode: code shrink in character width determination

function                                             old     new   delta
bb_wcwidth                                           267     238     -29

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
1 files changed, 6 insertions(+), 0 deletions(-)

M libbb/unicode.c
M libbb/unicode.c => libbb/unicode.c +6 -0
@@ 674,14 674,20 @@ int FAST_FUNC wcwidth(unsigned ucs)
		(  (/*ucs >= 0x1100 &&*/ ucs <= 0x115f) /* Hangul Jamo init. consonants */
		|| ucs == 0x2329 /* left-pointing angle bracket; also CJK punct. char */
		|| ucs == 0x232a /* right-pointing angle bracket; also CJK punct. char */
#   if CONFIG_LAST_SUPPORTED_WCHAR >= 0x2e80
		|| (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs != 0x303f) /* CJK ... Yi */
#   endif
#   if CONFIG_LAST_SUPPORTED_WCHAR >= 0xac00
		|| (ucs >= 0xac00 && ucs <= 0xd7a3) /* Hangul Syllables */
#   endif
#   if CONFIG_LAST_SUPPORTED_WCHAR >= 0xf900
		|| (ucs >= 0xf900 && ucs <= 0xfaff) /* CJK Compatibility Ideographs */
		|| (ucs >= 0xfe10 && ucs <= 0xfe19) /* Vertical forms */
		|| (ucs >= 0xfe30 && ucs <= 0xfe6f) /* CJK Compatibility Forms */
		|| (ucs >= 0xff00 && ucs <= 0xff60) /* Fullwidth Forms */
		|| (ucs >= 0xffe0 && ucs <= 0xffe6)
#   endif
#   if CONFIG_LAST_SUPPORTED_WCHAR >= 0x20000
		|| ((ucs >> 17) == (2 >> 1)) /* 20000..3ffff: Supplementary and Tertiary Ideographic Planes */
#   endif
		);