1/* vi: set sw=4 ts=4: */ 2/* 3 * unparse.c -- convert a UUID to string 4 * 5 * Copyright (C) 1996, 1997 Theodore Ts'o. 6 * 7 * %Begin-Header% 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, and the entire permission notice in its entirety, 13 * including the disclaimer of warranties. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote 18 * products derived from this software without specific prior 19 * written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF 24 * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 28 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 29 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 31 * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH 32 * DAMAGE. 33 * %End-Header% 34 */ 35 36#include <stdio.h> 37 38#include "uuidP.h" 39 40static const char *fmt_lower = 41 "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x"; 42 43static const char *fmt_upper = 44 "%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X"; 45 46#ifdef UUID_UNPARSE_DEFAULT_UPPER 47#define FMT_DEFAULT fmt_upper 48#else 49#define FMT_DEFAULT fmt_lower 50#endif 51 52static void uuid_unparse_x(const uuid_t uu, char *out, const char *fmt) 53{ 54 struct uuid uuid; 55 56 uuid_unpack(uu, &uuid); 57 sprintf(out, fmt, 58 uuid.time_low, uuid.time_mid, uuid.time_hi_and_version, 59 uuid.clock_seq >> 8, uuid.clock_seq & 0xFF, 60 uuid.node[0], uuid.node[1], uuid.node[2], 61 uuid.node[3], uuid.node[4], uuid.node[5]); 62} 63 64void uuid_unparse_lower(const uuid_t uu, char *out) 65{ 66 uuid_unparse_x(uu, out, fmt_lower); 67} 68 69void uuid_unparse_upper(const uuid_t uu, char *out) 70{ 71 uuid_unparse_x(uu, out, fmt_upper); 72} 73 74void uuid_unparse(const uuid_t uu, char *out) 75{ 76 uuid_unparse_x(uu, out, FMT_DEFAULT); 77} 78