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-rw-r--r--xf86drmHash.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/xf86drmHash.h b/xf86drmHash.h
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+++ b/xf86drmHash.h
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+/*
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
+ */
+
+#define HASH_SIZE 512 /* Good for about 100 entries */
+ /* If you change this value, you probably
+ have to change the HashHash hashing
+ function! */
+
+typedef struct HashBucket {
+ unsigned long key;
+ void *value;
+ struct HashBucket *next;
+} HashBucket, *HashBucketPtr;
+
+typedef struct HashTable {
+ unsigned long magic;
+ unsigned long entries;
+ unsigned long hits; /* At top of linked list */
+ unsigned long partials; /* Not at top of linked list */
+ unsigned long misses; /* Not in table */
+ HashBucketPtr buckets[HASH_SIZE];
+ int p0;
+ HashBucketPtr p1;
+} HashTable, *HashTablePtr;