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According to SUSv2, always return 0 for null wide-character code

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ache 2002-08-19 18:06:18 +00:00
parent 4cb63b194b
commit 34e5c81b71
1 changed files with 6 additions and 1 deletions
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7
lib/libc/locale/wcwidth.c
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@ -52,7 +52,12 @@ int
wcwidth(wc)
wchar_t wc;
{
int width = __maskrune(wc, _CTYPE_SWM);
int width;
if (wc == 0)
return (0);
width = __maskrune(wc, _CTYPE_SWM);
/* 0 is autowidth (default) */
return (width ? (int)((unsigned)width >> _CTYPE_SWS)