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-rw-r--r--attributes.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/attributes.c b/attributes.c
index cfe46ecd..36b34ff1 100644
--- a/attributes.c
+++ b/attributes.c
@@ -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);
}