The Abyss – Maris Laboratories

char ** split(char *delimiter, char *str) {
    char **elements = (char **) calloc(1, sizeof(char));
    char **_elements = NULL;
   
    /*
     * x to track strpos offset in *str and e for element tick and current delimiter position, i for var
     * start for the start of the substr and stop for the end
     */
    int x = 0, e = 0, d = 0, next_d = -1, start, stop;
    int str_size = (int) strlen(str), delimiter_size = (int) strlen(delimiter);
    while ((d = strpos(delimiter, str, x)) != -1) {
       
        if ((next_d = strpos(delimiter, str, x + 1)) == -1) next_d = str_size;
       
        if (x == 0 && strcmp(substr(str, 0, delimiter_size), delimiter) != 0 && e == 0) {
            /* lets not skip the first group */
            next_d = d, d = 0, start = d, stop = next_d;
        } else if (x == 0 && strcmp(substr(str, 0, delimiter_size), delimiter) == 0 && e == 0) {
            /* this runs if the delimiter is the first character in the search */
            next_d = delimiter_size, start = 0, stop = 0;
        } else {
            /* increment d so that we can start from the proper pos in substr */
            x++, start = d + delimiter_size, stop = (next_d - (d + delimiter_size));
        }
       
        elements[e] = (char *) calloc(next_d - d, sizeof(char));
       
        strcpy(elements[e], substr(str, start, stop));
       
        _elements = realloc(elements, (e + 2) * sizeof(char *));
        elements = _elements;
   
        e++;
    }
   
    return elements;
}

/********************************************************************
 * Name: test.c
 * Author: rashaud
 * Date: 05/05/2010
 * License: GNU GPL <http://www.gnu.org/licenses/>
 * Description: <description>
 ********************************************************************/

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <xstdlib.h>

int main(void) {
    system("clear");
   
    char *text = "This,is,split,by,a,comma,delimiter!";
    char **s = split(",", text);
    printf("%s %s\n", s[0], s[1]);
   
    printf("\n");
   
    char *text1 = "This--is--split--by--a--two-dash--delimiter!";
    char **t = split("--", text1);
    printf("%s %s\n", s[0], s[1]);
   
    return 0;
}