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Add iswctype wcwidth function code

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Submitted by:	clkao@clkao.org
Reviewed by:	keichii
Obtained from:	NetBSD
MFC after:	1 month
This commit is contained in:
Michael C . Wu 2002-08-16 13:45:23 +00:00
parent c3121a34a0
commit dff784192b
1 changed files with 10 additions and 0 deletions
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10
lib/libc/locale/iswctype.c
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@ -211,3 +211,13 @@ towupper(wc)
{
return (__toupper(wc));
}
#undef wcwidth
int
wcwidth(wc)
wchar_t wc;
{
int width = (unsigned)__maskrune((wc), _CTYPE_SWM) >> _CTYPE_SWS;
return width ? width : iswprint(wc);
}