1 files changed, 107 insertions, 0 deletions
diff --git a/lib/libc/db/hash/hsearch.c b/lib/libc/db/hash/hsearch.c
new file mode 100644
index 0000000..6185330
--- /dev/null
+++ b/lib/libc/db/hash/hsearch.c
@@ -0,0 +1,107 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Margo Seltzer.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)hsearch.c	8.4 (Berkeley) 7/21/94";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+
+#include <fcntl.h>
+#include <string.h>
+
+#include <db.h>
+#include "search.h"
+
+static DB *dbp = NULL;
+static ENTRY retval;
+
+extern int
+hcreate(nel)
+	u_int nel;
+{
+	HASHINFO info;
+
+	info.nelem = nel;
+	info.bsize = 256;
+	info.ffactor = 8;
+	info.cachesize = 0;
+	info.hash = NULL;
+	info.lorder = 0;
+	dbp = (DB *)__hash_open(NULL, O_CREAT | O_RDWR, 0600, &info, 0);
+	return (dbp != NULL);
+}
+
+extern ENTRY *
+hsearch(item, action)
+	ENTRY item;
+	ACTION action;
+{
+	DBT key, val;
+	int status;
+
+	if (!dbp)
+		return (NULL);
+	key.data = (u_char *)item.key;
+	key.size = strlen(item.key) + 1;
+
+	if (action == ENTER) {
+		val.data = (u_char *)item.data;
+		val.size = strlen(item.data) + 1;
+		status = (dbp->put)(dbp, &key, &val, R_NOOVERWRITE);
+		if (status)
+			return (NULL);
+	} else {
+		/* FIND */
+		status = (dbp->get)(dbp, &key, &val, 0);
+		if (status)
+			return (NULL);
+		else
+			item.data = (char *)val.data;
+	}
+	retval.key = item.key;
+	retval.data = item.data;
+	return (&retval);
+}
+
+extern void
+hdestroy()
+{
+	if (dbp) {
+		(void)(dbp->close)(dbp);
+		dbp = NULL;
+	}
+}