source: examples/gc_no_raii/test/badlll.c @ dcf1979

#include "gc.h"

#include <stdio.h>

struct List_t
{
        gcpointer(List_t) next;
        int val;
};

typedef gcpointer(List_t) LLL;

#define MAX (1024 * 1)

LLL buildLLL(int sz)
{
        int i = 0;
        LLL ll0;

        gcmalloc( &ll0 );
        List_t* ll0_ptr = get( &ll0 );
        ll0_ptr->val = i;
        LLL lll = ll0;

        for (i = 1; i < sz; i++)
        {
                LLL llc;
                gcmalloc( &llc );
                List_t* llc_ptr = get( &llc );
                llc_ptr->val = i;
                List_t* lll_ptr = get( &lll );
                lll_ptr->next = llc;

                lll = llc;
        }

        check(is_valid( &ll0.internal ));

        return ll0;
}

void testLLL(LLL lll)
{
        unsigned char *counted;

        counted = (unsigned char *) calloc(MAX, sizeof(unsigned char));
        while (lll)
        {
                List_t* lll_ptr = get( &lll );
                counted[lll_ptr->val]++;
                if (counted[lll_ptr->val] > 1)
                {
                        fprintf(stderr, "ERROR! Encountered %d twice!\n", lll_ptr->val);
                        exit(1);
                }
                lll = lll_ptr->next;
        }

        return;
}

int main(void)
{
        LLL mylll;

        mylll = buildLLL(MAX);

        testLLL(mylll);

        return 0;
}