#include <stdio.h>
#include <uuid/uuid.h>

int save2cache(char* keys)
{
  /*生成uuid*/
  uuid_t uu;
  uuid_generate(uu);
  memset(keys, 0x00, sizeof(keys));
  sprintf(keys, "%x", uu);
  return 0;
}


int save2cache2(char* keys)
{
  /*生成uuid*/
  uuid_t uu;
  uuid_generate_random(uu);
  memset(keys, 0x00, sizeof(keys));
  sprintf(keys, "%x", uu);
  return 0;
}

int save2cache3(char* keys)
{
  /*生成uuid*/
  uuid_t uu;
  uuid_generate_time(uu);
  memset(keys, 0x00, sizeof(keys));
  sprintf(keys, "%x", uu);
  return 0;
}

int main(int argc, char** argv)
{
  char keys[50], keys2[50], keys3[50];
  save2cache(keys);
  printf("keys=%s\n", keys);

  save2cache(keys);
  printf("keys=%s\n", keys);

  printf("/////////////////\n");
  save2cache(keys2);
  printf("keys2=%s\n", keys2);

  save2cache(keys3);
  printf("keys3=%s\n", keys3);
  return 0;
}