77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
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/*
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* unparse.c -- convert a UUID to string
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*
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* Copyright (C) 1996, 1997 Theodore Ts'o.
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*
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* %Begin-Header%
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, and the entire permission notice in its entirety,
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* including the disclaimer of warranties.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
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* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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* %End-Header%
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*/
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#include <stdio.h>
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#include "uuidP.h"
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static const char *fmt_lower =
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"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x";
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static const char *fmt_upper =
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"%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X";
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#ifdef UUID_UNPARSE_DEFAULT_UPPER
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#define FMT_DEFAULT fmt_upper
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#else
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#define FMT_DEFAULT fmt_lower
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#endif
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static void uuid_unparse_x(const uuid_t uu, char *out, const char *fmt)
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{
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struct uuid uuid;
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uuid_unpack(uu, &uuid);
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sprintf(out, fmt,
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uuid.time_low, uuid.time_mid, uuid.time_hi_and_version,
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uuid.clock_seq >> 8, uuid.clock_seq & 0xFF,
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uuid.node[0], uuid.node[1], uuid.node[2],
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uuid.node[3], uuid.node[4], uuid.node[5]);
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}
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void uuid_unparse_lower(const uuid_t uu, char *out)
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{
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uuid_unparse_x(uu, out, fmt_lower);
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}
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void uuid_unparse_upper(const uuid_t uu, char *out)
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{
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uuid_unparse_x(uu, out, fmt_upper);
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}
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void uuid_unparse(const uuid_t uu, char *out)
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{
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uuid_unparse_x(uu, out, FMT_DEFAULT);
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}
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