add strhash.h for libc's new string hashing function.

1 files changed, 64 insertions, 0 deletions

diff --git a/include/strhash.h b/include/strhash.h
new file mode 100644
index 0000000..97e50a8
--- /dev/null
+++ b/include/strhash.h
@@ -0,0 +1,64 @@
+#ifndef _STRHASH_H_INCLUDE
+#define _STRHASH_H_INCLUDE
+
+/* $Header: /home/ncvs/src/usr.bin/dmenu/hash.h,v 1.2 1995/03/21 06:39:04 jkh Exp $ */
+
+/*
+ *
+ *                      Copyright 1990
+ *               Terry Jones & Jordan Hubbard
+ *
+ *		  PCS Computer Systeme, GmbH.
+ *	             Munich, West Germany
+ *
+ *
+ *  All rights reserved.
+ * 
+ *  This is unsupported software and is subject to change without notice.
+ *  the author makes no representations about the suitability of this software
+ *  for any purpose. It is supplied "as is" without express or implied
+ *  warranty.
+ * 
+ *  Permission to use, copy, modify, and distribute this software and its
+ *  documentation for any purpose and without fee is hereby granted, provided
+ *  that the above copyright notice appear in all copies and that both that
+ *  copyright notice and this permission notice appear in supporting
+ *  documentation, and that the name of the author not be used in
+ *  advertising or publicity pertaining to distribution of the software
+ *  without specific, written prior permission.
+ *
+ */
+
+/*
+ * This is the definition file for hash.c. The plunderer from down-under
+ * did the code, I just helped define the spec. That's why his name gets
+ * to go first.
+ */
+
+#define HASH_SZ 97
+
+typedef struct _node {
+    char *key;
+    void *data;
+    struct _node *next;
+} hash_node;
+
+typedef struct {
+    int size;
+    hash_node **buckets;
+} hash_table;
+
+hash_table *hash_create(int size);
+void	hash_destroy(hash_table *table, char *key,
+		     void (*nukefunc)(char *k, void *d));
+void	*hash_search(hash_table *table, char *key, void *datum,
+		     void (*replace_func)(void *d));
+void	hash_traverse(hash_table *table,
+		      int (*func)(char *k, void *d, void *arg), void *arg);
+void	hash_purge(hash_table *table, void (*purge_func)(char *k, void *d));
+
+#ifdef HASH_STATS
+extern void hash_stats();
+#endif
+
+#endif /* _STRHASH_H_INCLUDE */