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/*
* This code was lifted from the uuid library.
*
* Copyright (C) 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include "Dk.h"
#include "uuidP.h"
/*
* Internal routine for packing UUID's
*/
void
uuid_pack (const struct uuid *uu, uuid_t ptr)
{
uint32 tmp;
unsigned char *out = ptr;
tmp = uu->time_low;
out[3] = (unsigned char) tmp;
tmp >>= 8;
out[2] = (unsigned char) tmp;
tmp >>= 8;
out[1] = (unsigned char) tmp;
tmp >>= 8;
out[0] = (unsigned char) tmp;
tmp = uu->time_mid;
out[5] = (unsigned char) tmp;
tmp >>= 8;
out[4] = (unsigned char) tmp;
tmp = uu->time_hi_and_version;
out[7] = (unsigned char) tmp;
tmp >>= 8;
out[6] = (unsigned char) tmp;
tmp = uu->clock_seq;
out[9] = (unsigned char) tmp;
tmp >>= 8;
out[8] = (unsigned char) tmp;
memcpy (out + 10, uu->node, 6);
}
/*
* Internal routine for unpacking UUID
*/
void
uuid_unpack (const uuid_t in, struct uuid *uu)
{
const uint8 *ptr = in;
uint32 tmp;
tmp = *ptr++;
tmp = (tmp << 8) | *ptr++;
tmp = (tmp << 8) | *ptr++;
tmp = (tmp << 8) | *ptr++;
uu->time_low = tmp;
tmp = *ptr++;
tmp = (tmp << 8) | *ptr++;
uu->time_mid = (uint16) tmp;
tmp = *ptr++;
tmp = (tmp << 8) | *ptr++;
uu->time_hi_and_version = (uint16) tmp;
tmp = *ptr++;
tmp = (tmp << 8) | *ptr++;
uu->clock_seq = (uint16) tmp;
memcpy (uu->node, ptr, 6);
}
/*
* parse.c --- UUID parsing
*/
int
uuid_parse (const char *in, uuid_t uu)
{
struct uuid uuid;
int i;
const char *cp;
char buf[3];
if (strlen (in) != 36)
return -1;
for (i = 0, cp = in; i <= 36; i++, cp++)
{
if ((i == 8) || (i == 13) || (i == 18) || (i == 23))
{
if (*cp == '-')
continue;
else
return -1;
}
if (i == 36)
if (*cp == 0)
continue;
if (!isxdigit (*cp))
return -1;
}
uuid.time_low = strtoul (in, NULL, 16);
uuid.time_mid = (uint16) strtoul (in + 9, NULL, 16);
uuid.time_hi_and_version = (uint16) strtoul (in + 14, NULL, 16);
uuid.clock_seq = (uint16) strtoul (in + 19, NULL, 16);
cp = in + 24;
buf[2] = 0;
for (i = 0; i < 6; i++)
{
buf[0] = *cp++;
buf[1] = *cp++;
uuid.node[i] = (uint8) strtoul (buf, NULL, 16);
}
uuid_pack (&uuid, uu);
return 0;
}
/*
* unparse.c -- convert a UUID to string
*/
void
uuid_unparse (const uuid_t uu, char *out)
{
struct uuid uuid;
uuid_unpack (uu, &uuid);
sprintf (out,
"%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
(unsigned long) uuid.time_low, uuid.time_mid, uuid.time_hi_and_version,
uuid.clock_seq >> 8, uuid.clock_seq & 0xFF,
uuid.node[0], uuid.node[1], uuid.node[2],
uuid.node[3], uuid.node[4], uuid.node[5]);
}
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