Fix for lp:860465

[awesomized/libmemcached] / libhashkit / types.h

diff --git a/libhashkit/types.h b/libhashkit/types.h
index b3ea7346b28dafe2a84ef15aec9a5a67ed0aab8f..e0f1f1387ffc2097723c58e1a438ca4e61ad68b6 100644 (file)
--- a/libhashkit/types.h
+++ b/libhashkit/types.h
@@ -1,26 +1,62 @@
-
-/* HashKit
- * Copyright (C) 2009 Brian Aker
- * All rights reserved.
+/*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
+ * 
+ *  HashKit
+ *
+ *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
+ *  Copyright (C) 2009 Brian Aker 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.
+ *
+ *      * The names of its contributors may not 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.
  *
- * Use and distribution licensed under the BSD license.  See
- * the COPYING file in the parent directory for full text.
  */
 
-#ifndef HASHKIT_TYPES_H
-#define HASHKIT_TYPES_H
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+#pragma once
 
 typedef enum {
   HASHKIT_SUCCESS,
   HASHKIT_FAILURE,
   HASHKIT_MEMORY_ALLOCATION_FAILURE,
+  HASHKIT_INVALID_HASH,
+  HASHKIT_INVALID_ARGUMENT,
   HASHKIT_MAXIMUM_RETURN /* Always add new error code before */
 } hashkit_return_t;
 
+static inline bool hashkit_success(const hashkit_return_t rc)
+{
+  return (rc == HASHKIT_SUCCESS);
+}
+
+static inline bool hashkit_failed(const hashkit_return_t rc)
+{
+  return (rc != HASHKIT_SUCCESS);
+}
+
 typedef enum {
   HASHKIT_HASH_DEFAULT= 0, // hashkit_one_at_a_time()
   HASHKIT_HASH_MD5,
@@ -32,6 +68,7 @@ typedef enum {
   HASHKIT_HASH_HSIEH,
   HASHKIT_HASH_MURMUR,
   HASHKIT_HASH_JENKINS,
+  HASHKIT_HASH_CUSTOM,
   HASHKIT_HASH_MAX
 } hashkit_hash_algorithm_t;
 
@@ -46,12 +83,14 @@ typedef enum
   HASHKIT_DISTRIBUTION_MAX /* Always add new values before this. */
 } hashkit_distribution_t;
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 typedef struct hashkit_st hashkit_st;
+
 typedef uint32_t (*hashkit_hash_fn)(const char *key, size_t key_length, void *context);
 
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* HASHKIT_TYPES_H */