1 files changed, 91 insertions, 0 deletions
diff --git a/hw/xquartz/xpr/x-hash.h b/hw/xquartz/xpr/x-hash.h
new file mode 100644
index 0000000..f876b6b
--- /dev/null
+++ b/hw/xquartz/xpr/x-hash.h
@@ -0,0 +1,91 @@
+/* x-hash.h -- basic hash table class
+
+   Copyright (c) 2002 Apple Computer, Inc. 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 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 THE ABOVE LISTED COPYRIGHT
+   HOLDER(S) 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.
+
+   Except as contained in this notice, the name(s) of the above
+   copyright holders shall not be used in advertising or otherwise to
+   promote the sale, use or other dealings in this Software without
+   prior written authorization. */
+
+#ifndef X_HASH_H
+#define X_HASH_H 1
+
+#include <stdlib.h>
+#include <assert.h>
+
+typedef struct x_hash_table_struct x_hash_table;
+
+typedef int (x_compare_fun) (const void *a, const void *b);
+typedef unsigned int (x_hash_fun) (const void *k);
+typedef void (x_destroy_fun) (void *x);
+typedef void (x_hash_foreach_fun) (void *k, void *v, void *data);
+
+/* for X_PFX and X_EXTERN */
+#include "x-list.h"
+
+X_EXTERN x_hash_table *X_PFX (hash_table_new) (x_hash_fun *hash,
+					       x_compare_fun *compare,
+					       x_destroy_fun *key_destroy,
+					       x_destroy_fun *value_destroy);
+X_EXTERN void X_PFX (hash_table_free) (x_hash_table *h);
+
+X_EXTERN unsigned int X_PFX (hash_table_size) (x_hash_table *h);
+
+X_EXTERN void X_PFX (hash_table_insert) (x_hash_table *h, void *k, void *v);
+X_EXTERN void X_PFX (hash_table_replace) (x_hash_table *h, void *k, void *v);
+X_EXTERN void X_PFX (hash_table_remove) (x_hash_table *h, void *k);
+X_EXTERN void *X_PFX (hash_table_lookup) (x_hash_table *h,
+					  void *k, void **k_ret);
+X_EXTERN void X_PFX (hash_table_foreach) (x_hash_table *h,
+					  x_hash_foreach_fun *fun,
+					  void *data);
+
+/* Conversion between unsigned int (e.g. xp_resource_id) and void pointer */
+
+/* Forward declarations */
+static __inline__ void *
+X_PFX (cvt_uint_to_vptr) (unsigned int val) __attribute__((always_inline));
+static __inline__ unsigned int
+X_PFX (cvt_vptr_to_uint) (void * val) __attribute__((always_inline));
+
+/* Implementations */
+static __inline__ void *
+X_PFX (cvt_uint_to_vptr) (unsigned int val)
+{
+	return (void*)((unsigned long)(val));
+}
+
+static __inline__ unsigned int
+X_PFX (cvt_vptr_to_uint) (void * val)
+{
+	size_t sv = (size_t)val;
+	unsigned int uv = (unsigned int)sv;
+	
+	/* If this assert fails, chances are val actually is a pointer,
+	   or there's been memory corruption */
+	assert(sv == uv);
+	
+	return uv;
+}
+
+#endif /* X_HASH_H */