mdocml: Don't let empty strings into the makewhatis keyword database.

mdocml: Don't let empty strings into the makewhatis keyword database.

[kristaps]

Log Message:
-----------
Don't let empty strings into the makewhatis keyword database.

Modified Files:
--------------
    mdocml:
        Makefile
        makewhatis.c

Revision Data
-------------
Index: makewhatis.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/makewhatis.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -Lmakewhatis.c -Lmakewhatis.c -u -p -r1.3 -r1.4
--- makewhatis.c
+++ makewhatis.c
@@ -792,7 +792,8 @@ hash_put(DB *db, const struct buf *buf, 
 	int		 rc;
 
 	key.data = buf->cp;
-	if (0 == (key.size = buf->len))
+
+	if ((key.size = buf->len) < 2)
 		return;
 
 	if ((rc = (*db->get)(db, &key, &val, 0)) < 0) {
Index: Makefile
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/Makefile,v
retrieving revision 1.349
retrieving revision 1.350
diff -LMakefile -LMakefile -u -p -r1.349 -r1.350
--- Makefile
+++ Makefile
@@ -353,7 +353,7 @@ llib-lmandoc.ln: $(MANDOC_LNS)
 
 # You'll need -ldb for Linux.
 makewhatis: $(MAKEWHATIS_OBJS) libmandoc.a
-	$(CC) -o $@ $(MAKEWHATIS_OBJS) libmandoc.a
+	$(CC) -o $@ $(MAKEWHATIS_OBJS) libmandoc.a -ldb
 
 llib-lmakewhatis.ln: $(MAKEWHATIS_LNS)
 	$(LINT) $(LINTFLAGS) -Cmakewhatis $(MAKEWHATIS_LNS)
--
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