Files
DiceRoller/source/diceroller.h

43 lines
890 B
C

#ifndef DICEROLLER_H
#define DICEROLLER_H
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
/* GetDice(char* format)
*
* This will return the value of the rolled dice.
*/
int GetDice(const char* format) {
int size = strlen(format);
int seperator = 0;
int resolt = 0;
unsigned int seed = time(0);
char c_amount[30] = { '\0' };
char c_dice[30] = { '\0' };
for(int i = 0; i < size; i++) {
if(format[i] != 'd')
continue;
seperator = i;
break;
}
if(seperator == 0)
return -1;
strncpy(c_amount, format,seperator);
strcpy(c_dice, &format[seperator + 1]);
int amount = atoi(c_amount);
int dice = atoi(c_dice);
int r = 0;
for (int i = 0; i < amount; i++) {
r = rand_r(&seed) % (dice - 1 + 1) + 1;
resolt += r;
}
return resolt;
}
#endif