bio/vaje/1/programi/explode.c


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#pragma once
#include <string.h>
char *strdup(const char *src)
{
    char *tmp = malloc(strlen(src) + 1);
    if(tmp)
        strcpy(tmp, src);
    return tmp;
}

void explode(const char *src, const char *tokens, char ***list, size_t *len)
{   
    if(src == NULL || list == NULL || len == NULL)
        return;

    char *str, *copy, **_list = NULL, **tmp;
    *list = NULL;
    *len  = 0;

    copy = strdup(src);
    if(copy == NULL)
        return;

    str = strtok(copy, tokens);
    if(str == NULL)
        goto free_and_exit;

    _list = realloc(NULL, sizeof *_list);
    if(_list == NULL)
        goto free_and_exit;

    _list[*len] = strdup(str);
    if(_list[*len] == NULL)
        goto free_and_exit;
    (*len)++;


    while((str = strtok(NULL, tokens)))
    {   
        tmp = realloc(_list, (sizeof *_list) * (*len + 1));
        if(tmp == NULL)
            goto free_and_exit;

        _list = tmp;

        _list[*len] = strdup(str);
        if(_list[*len] == NULL)
            goto free_and_exit;
        (*len)++;
    }


free_and_exit:
    *list = _list;
    free(copy);
}