mem/tests/08_arena_exception.c

#define DEBUG
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include "../include/mem.h"

int main(void){
    size_t nbytes = MEM_GB(1024);
    Arena a;
    TRY {
        a = ARENA(0,nbytes); /* try 1GB */
        if (!a.beg)
            RAISE(OOM);
        ARENA_FREE(a);
    }
    EXCEPT(OOM) {
        /* handle memory failure gracefully */
        fprintf(stderr, "Caught: %s\n", OOM.reason);
        return EXIT_SUCCESS; /* requested behavior */
    }
    FINALLY {
        /* cleanup if needed, runs always */
        if (a.beg) ARENA_FREE(a);
    }
    END_TRY;

    return EXIT_FAILURE; /* shouldn't reach here for this example */
  }