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[bottlenecks.git] / rubbos / app / httpd-2.0.64 / srclib / apr-util / include / apr_uuid.h

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+/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
+ * applicable.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file apr_uuid.h
+ * @brief APR UUID library
+ */
+#ifndef APR_UUID_H
+#define APR_UUID_H
+
+#include "apu.h"
+#include "apr_errno.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @defgroup APR_UUID UUID Handling
+ * @ingroup APR
+ * @{
+ */
+
+/**
+ * we represent a UUID as a block of 16 bytes.
+ */
+
+typedef struct {
+    unsigned char data[16]; /**< the actual UUID */
+} apr_uuid_t;
+
+/** UUIDs are formatted as: 00112233-4455-6677-8899-AABBCCDDEEFF */
+#define APR_UUID_FORMATTED_LENGTH 36
+
+
+/**
+ * Generate and return a (new) UUID
+ * @param uuid The resulting UUID
+ */ 
+APU_DECLARE(void) apr_uuid_get(apr_uuid_t *uuid);
+
+/**
+ * Format a UUID into a string, following the standard format
+ * @param buffer The buffer to place the formatted UUID string into. It must
+ *               be at least APR_UUID_FORMATTED_LENGTH + 1 bytes long to hold
+ *               the formatted UUID and a null terminator
+ * @param uuid The UUID to format
+ */ 
+APU_DECLARE(void) apr_uuid_format(char *buffer, const apr_uuid_t *uuid);
+
+/**
+ * Parse a standard-format string into a UUID
+ * @param uuid The resulting UUID
+ * @param uuid_str The formatted UUID
+ */ 
+APU_DECLARE(apr_status_t) apr_uuid_parse(apr_uuid_t *uuid, const char *uuid_str);
+
+/** @} */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APR_UUID_H */