mirror of
https://github.com/FirebirdSQL/firebird.git
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56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
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/*
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* PROGRAM: JRD Access Method
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* MODULE: guid.cpp
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* DESCRIPTION: Portable GUID (win32)
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code was created by Inprise Corporation
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* and its predecessors. Portions created by Inprise Corporation are
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* Copyright (C) Inprise Corporation.
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*
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* Created by: Nickolay Samofatov <skidder@bssys.com>
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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#include "../jrd/os/guid.h"
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#include "firebird.h"
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#include "fb_exception.h"
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdio.h>
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void GenerateGuid(FB_GUID *guid) {
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int fd = open("/dev/random", O_RDONLY);
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if (fd < 0)
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Firebird::system_call_failed::raise();
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if (read(fd, guid, sizeof(FB_GUID)) != sizeof(FB_GUID))
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Firebird::system_call_failed::raise();
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close(fd);
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}
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void GuidToString(char* buffer, FB_GUID *guid) {
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sprintf(buffer, "{%04hX%04hX-%04hX-%04hX-%04hX-%04hX%04hX%04hX}",
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guid->data[0], guid->data[1], guid->data[2], guid->data[3],
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guid->data[4], guid->data[5], guid->data[6], guid->data[7]);
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}
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void StringToGuid(FB_GUID *guid, char* buffer) {
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sscanf(buffer, "{%04hX%04hX-%04hX-%04hX-%04hX-%04hX%04hX%04hX}",
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&guid->data[0], &guid->data[1], &guid->data[2], &guid->data[3],
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&guid->data[4], &guid->data[5], &guid->data[6], &guid->data[7]);
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}
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