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Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
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libc/unicode/unicode.h Normal file
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#ifndef COSMOPOLITAN_LIBC_UNICODE_UNICODE_H_
#define COSMOPOLITAN_LIBC_UNICODE_UNICODE_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § characters » unicode ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
extern const uint64_t kEastAsianWidth[];
extern const uint32_t kEastAsianWidthBits;
extern const uint64_t kCombiningChars[];
extern const uint32_t kCombiningCharsBits;
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § strings » multibyte » unicode ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
int wcwidth(wchar_t) pureconst;
int wcswidth(const wchar_t *) strlenesque;
int wcsnwidth(const wchar_t *, size_t) strlenesque;
int strwidth(const char *) strlenesque;
int strnwidth(const char *, size_t) strlenesque;
int strwidth16(const char16_t *) strlenesque;
int strnwidth16(const char16_t *, size_t) strlenesque;
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § unicode » generic typing ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
#if __STDC_VERSION__ + 0 >= 201112
#define strwidth(s) \
_Generic(*(s), wchar_t \
: wcswidth, char16_t \
: strwidth16, default \
: strwidth)(s)
#define strnwidth(s, n) \
_Generic(*(s), wchar_t \
: wcswidth, char16_t \
: strnwidth16, default \
: strnwidth)(s, n)
#endif /* C11 */
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_UNICODE_UNICODE_H_ */