Don't dereference NULL if buf winds up being empty. Can't happen

right now according to NicM but better safe than sorry.

OK nicm@
This commit is contained in:
Ray Lai 2009-06-02 11:14:08 +00:00
parent df91860b52
commit 3686645e77

View File

@ -45,7 +45,8 @@ attributes_tostring(u_char ch)
strlcat(buf, "hidden,", sizeof (buf));
if (ch & GRID_ATTR_ITALICS)
strlcat(buf, "italics,", sizeof (buf));
*(strrchr(buf, ',')) = '\0';
if (*buf)
*(strrchr(buf, ',')) = '\0';
return (buf);
}