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50 lines
931 B
C
50 lines
931 B
C
/*
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* Copyright (C) 2001 Sistina Software (UK) Limited.
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*
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* This file is released under the GPL.
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*/
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#include "uuid.h"
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#include "log.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 <unistd.h>
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static unsigned char _c[] =
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"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
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int id_create(struct id *id)
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{
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int random, i, len = sizeof(id->uuid);
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memset(id->uuid, 0, len);
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if ((random = open("/dev/urandom", O_RDONLY)) < 0) {
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log_sys_error("open", "id_create");
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return 0;
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}
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if (read(random, id->uuid, len) != len) {
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log_sys_error("read", "id_create");
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return 0;
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}
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close(random);
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for (i = 0; i < len; i++)
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id->uuid[i] = _c[id->uuid[i] % (sizeof(_c) - 1)];
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return 1;
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}
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int id_valid(struct id *id)
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{
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log_err("Joe hasn't written id_valid yet");
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return 1;
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}
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int id_cmp(struct id *lhs, struct id *rhs)
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{
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return memcmp(lhs->uuid, rhs->uuid, sizeof(lhs->uuid));
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}
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