00001 /* 00002 * Internal routine for packing UUID's 00003 * 00004 * Copyright (C) 1996, 1997 Theodore Ts'o. 00005 * 00006 * %Begin-Header% 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 1. Redistributions of source code must retain the above copyright 00011 * notice, and the entire permission notice in its entirety, 00012 * including the disclaimer of warranties. 00013 * 2. Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in the 00015 * documentation and/or other materials provided with the distribution. 00016 * 3. The name of the author may not be used to endorse or promote 00017 * products derived from this software without specific prior 00018 * written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 00021 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00022 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF 00023 * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE 00024 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00025 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00026 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 00027 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00029 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 00030 * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH 00031 * DAMAGE. 00032 * %End-Header% 00033 */ 00034 00035 #include <string.h> 00036 #include "uuidP.h" 00037 00038 void uuid_pack(const struct uuid *uu, uuid_t ptr) 00039 { 00040 uint32_t tmp; 00041 unsigned char *out = ptr; 00042 00043 tmp = uu->time_low; 00044 out[3] = (unsigned char) tmp; 00045 tmp >>= 8; 00046 out[2] = (unsigned char) tmp; 00047 tmp >>= 8; 00048 out[1] = (unsigned char) tmp; 00049 tmp >>= 8; 00050 out[0] = (unsigned char) tmp; 00051 00052 tmp = uu->time_mid; 00053 out[5] = (unsigned char) tmp; 00054 tmp >>= 8; 00055 out[4] = (unsigned char) tmp; 00056 00057 tmp = uu->time_hi_and_version; 00058 out[7] = (unsigned char) tmp; 00059 tmp >>= 8; 00060 out[6] = (unsigned char) tmp; 00061 00062 tmp = uu->clock_seq; 00063 out[9] = (unsigned char) tmp; 00064 tmp >>= 8; 00065 out[8] = (unsigned char) tmp; 00066 00067 memcpy(out+10, uu->node, 6); 00068 } 00069