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

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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
1 changed files with 2 additions and 1 deletions
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3
attributes.c
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@ -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);
}