Tuple.c

/*
    C-Tuple - Tuple style generic types in C.
    Copyright (c) 2016 Tristen Horton

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdarg.h>
#include <stdlib.h>
#include "tuple.h"

Tuple* TUPLECALL CreateTuple(int n_args, ...) {
    va_list varlist;
    va_start(varlist, n_args);

    int varsSize;
    void** vars = (void**)malloc(n_args * sizeof(void*));

    for (int i = 0; i < n_args; i++) {
        void* arg = va_arg(varlist, void*);

        varsSize += sizeof(arg);

        vars[i] = arg;
    }

    // Size of all of the arguments + size of an int value (varsSize) since Tuple has an array of void* and a single int.
    Tuple* t = (Tuple*)malloc(varsSize + sizeof(varsSize));

    t->values = vars;
    t->tSize = n_args;

    va_end(varlist);

    return t;
}

void TUPLECALL DestroyTuple(Tuple* t) {
    free(t->values);
    free(t);
}