13 lines
444 B
C
13 lines
444 B
C
#ifndef COSMOPOLITAN_LIBC_STR_UTF16_H_
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#define COSMOPOLITAN_LIBC_STR_UTF16_H_
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#define UTF16_MASK 0xfc00
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#define UTF16_MOAR 0xd800 /* 0xD800..0xDBFF */
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#define UTF16_CONT 0xdc00 /* 0xDC00..0xDBFF */
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#define IsUcs2(wc) (((wc)&UTF16_MASK) != UTF16_MOAR)
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#define IsUtf16Cont(wc) (((wc)&UTF16_MASK) == UTF16_CONT)
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#define MergeUtf16(lo, hi) ((((lo)-0xD800) << 10) + ((hi)-0xDC00) + 0x10000)
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#endif /* COSMOPOLITAN_LIBC_STR_UTF16_H_ */
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