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ICU-1967 make non-character check faster - fail most of BMP right away

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X-SVN-Rev: 8989
This commit is contained in:
Markus Scherer 2002-07-02 00:48:46 +00:00
parent 1a953aa0f8
commit e3efed98e9
1 changed files with 3 additions and 2 deletions
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5
icu4c/source/common/unicode/utf.h
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@ -207,8 +207,9 @@ typedef int32_t UTextOffset;
* Is a given 32-bit code point a Unicode noncharacter?
*/
#define UTF_IS_UNICODE_NONCHAR(c) \
(((((c) & 0xfffe) == 0xfffe) || ((c) >= 0xfdd0 && (c) <= 0xfdef)) && \
((c) <= 0x10ffff))
((c)>=0xfdd0 && \
((uint32_t)(c)<=0xfdef || ((c)&0xfffe)==0xfffe) && \
(uint32_t)(c)<=0x10ffff)
/**
* Is a given 32-bit code point/Unicode scalar value