http://www.codeproject.com/KB/mcpp/guid.aspx
| Код |
void GenerateGuid(char *guidStr)
{
char *pGuidStr = guidStr;
int i;
srand(static_cast<unsigned int> (time(NULL))); /*Randomize based on time.*/
/*Data1 - 8 characters.*/
*pGuidStr++ = '{';
for(i = 0; i < 8; i++, pGuidStr++)
((*pGuidStr = (rand() % 16)) < 10) ? *pGuidStr += 48 : *pGuidStr += 55;
/*Data2 - 4 characters.*/
*pGuidStr++ = '-';
for(i = 0; i < 4; i++, pGuidStr++)
((*pGuidStr = (rand() % 16)) < 10) ? *pGuidStr += 48 : *pGuidStr += 55;
/*Data3 - 4 characters.*/
*pGuidStr++ = '-';
for(i = 0; i < 4; i++, pGuidStr++)
((*pGuidStr = (rand() % 16)) < 10) ? *pGuidStr += 48 : *pGuidStr += 55;
/*Data4 - 4 characters.*/
*pGuidStr++ = '-';
for(i = 0; i < 4; i++, pGuidStr++)
((*pGuidStr = (rand() % 16)) < 10) ? *pGuidStr += 48 : *pGuidStr += 55;
/*Data5 - 12 characters.*/
*pGuidStr++ = '-';
for(i = 0; i < 12; i++, pGuidStr++)
((*pGuidStr = (rand() % 16)) < 10) ? *pGuidStr += 48 : *pGuidStr += 55;
*pGuidStr++ = '}';
*pGuidStr = '\0';
}
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