Initial population.

1 files changed, 57 insertions, 0 deletions

diff --git a/src/include/hash.h b/src/include/hash.h
new file mode 100644
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--- /dev/null
+++ b/src/include/hash.h
@@ -0,0 +1,57 @@
+/*
+Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    - Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    - 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.
+
+    - Neither the name of The Numerical ALgorithms Group Ltd. 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER
+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.
+*/
+
+#ifndef _HASH_H_
+#define _HASH_H_ 1
+
+
+
+typedef struct hash_entry {
+  char *key;			/* pointer to key data */
+  char *data;			/* Pointer to entry */
+  struct hash_entry *next;	/* Link to next entry */
+} HashEntry;
+
+typedef int (*EqualFunction)(void *,void *);
+typedef int (*HashcodeFunction)(void *,int);
+typedef void (*MappableFunction) (void *);
+typedef void (*FreeFunction) (void *);
+typedef struct {
+  HashEntry **table;		/* the actual table */
+  int size;			/* size of table */
+  int num_entries;		/* number of elements in a hash table */
+  EqualFunction equal;		/* equality predicate for keys */
+  HashcodeFunction hash_code;	/* create hash code for a key */
+} HashTable;
+
+#endif