48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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//
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// Created by nicol on 2018-03-18.
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//
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#include <stdlib.h>
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#include <time.h>
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#include <stdio.h>
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#include "uuid.h"
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const esc_uuid_t* esc_uuid_create() {
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esc_uuid_t* result = malloc(sizeof(esc_uuid_t));
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srand(time(NULL));
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for(int i=0;i<16;i++)
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result->data[i] = (uint8_t)(rand() & 0xff);
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return result;
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}
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const esc_uuid_t* esc_uuid_from(uint8_t* src, size_t size) {
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if (size != 16) {
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return 0;
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}
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esc_uuid_t* uuid = malloc(sizeof(esc_uuid_t));
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for (size_t i=0; i<size; i++)
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uuid->data[i] = src[i];
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return uuid;
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}
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const char* esc_uuid_format(const esc_uuid_t* uuid, char* buffer, size_t buf_size) {
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snprintf(buffer, buf_size, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
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uuid->data[0],
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uuid->data[1],
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uuid->data[2],
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uuid->data[3],
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uuid->data[4],
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uuid->data[5],
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uuid->data[6],
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uuid->data[7],
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uuid->data[8],
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uuid->data[9],
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uuid->data[10],
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uuid->data[11],
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uuid->data[12],
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uuid->data[13],
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uuid->data[14],
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uuid->data[15]);
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return buffer;
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}
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