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authorPerberos <[email protected]>2011-11-09 18:17:43 -0300
committerPerberos <[email protected]>2011-11-09 18:17:43 -0300
commitf6ce926719943751cf65cacde7fae050593eb2d6 (patch)
tree9224d1751678cf2d1fbd0431f128b711311c0287 /backend/dvi/mdvi-lib/hash.h
downloadatril-f6ce926719943751cf65cacde7fae050593eb2d6.tar.bz2
atril-f6ce926719943751cf65cacde7fae050593eb2d6.tar.xz
inicial
Diffstat (limited to 'backend/dvi/mdvi-lib/hash.h')
-rw-r--r--backend/dvi/mdvi-lib/hash.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/backend/dvi/mdvi-lib/hash.h b/backend/dvi/mdvi-lib/hash.h
new file mode 100644
index 00000000..b10afd60
--- /dev/null
+++ b/backend/dvi/mdvi-lib/hash.h
@@ -0,0 +1,49 @@
+#ifndef MDVI_HASH
+#define MDVI_HASH
+
+/* Hash tables */
+
+
+typedef struct _DviHashBucket DviHashBucket;
+typedef struct _DviHashTable DviHashTable;
+
+/*
+ * Hash tables
+ */
+
+typedef Uchar *DviHashKey;
+#define MDVI_KEY(x) ((DviHashKey)(x))
+
+typedef Ulong (*DviHashFunc) __PROTO((DviHashKey key));
+typedef int (*DviHashComp) __PROTO((DviHashKey key1, DviHashKey key2));
+typedef void (*DviHashFree) __PROTO((DviHashKey key, void *data));
+
+
+struct _DviHashTable {
+ DviHashBucket **buckets;
+ int nbucks;
+ int nkeys;
+ DviHashFunc hash_func;
+ DviHashComp hash_comp;
+ DviHashFree hash_free;
+};
+#define MDVI_EMPTY_HASH_TABLE {NULL, 0, 0, NULL, NULL, NULL}
+
+#define MDVI_HASH_REPLACE 0
+#define MDVI_HASH_UNIQUE 1
+#define MDVI_HASH_UNCHECKED 2
+
+extern void mdvi_hash_init __PROTO((DviHashTable *));
+extern void mdvi_hash_create __PROTO((DviHashTable *, int));
+extern int mdvi_hash_add __PROTO((DviHashTable *, DviHashKey, void *, int));
+extern int mdvi_hash_destroy_key __PROTO((DviHashTable *, DviHashKey));
+extern void mdvi_hash_reset __PROTO((DviHashTable *, int));
+extern void *mdvi_hash_lookup __PROTO((DviHashTable *, DviHashKey));
+extern void *mdvi_hash_remove __PROTO((DviHashTable *, DviHashKey));
+extern void *mdvi_hash_remove_ptr __PROTO((DviHashTable *, DviHashKey));
+
+#define mdvi_hash_flush(h) mdvi_hash_reset((h), 1)
+#define mdvi_hash_destroy(h) mdvi_hash_reset((h), 0)
+
+#endif
+