diff options
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/locale/wcwidth.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/libc/locale/wcwidth.c b/lib/libc/locale/wcwidth.c index dab0808..b2d70a5 100644 --- a/lib/libc/locale/wcwidth.c +++ b/lib/libc/locale/wcwidth.c @@ -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) |
