Memory Allocation Example

This code example shows the usage of the Memory Allocation API. It can also be found at speect/engine/examples/base/utils/mem_example.c, and be compiled with the WANT_EXAMPLES build option.

#include <stdlib.h> /* for abort() */
#include "speect.h"

/* Memory Handling Examples */

int main(void)
{
    int *counter;
    char **cpoint1;
    char **cpoint2;

    /*
     * note that TYPE can be either a reference to a
     * specific variable or to a data type. Internally
     * the macro uses the sizeof() operator.
     */
    counter = S_MALLOC(counter, 10);
    counter[4] = 0;
    S_FREE(counter);

    counter = S_MALLOC(int, 10);
    counter[1] = 0;
    S_FREE(counter);

    cpoint1 = S_CALLOC(char*, 2);
    cpoint1 = S_REALLOC(cpoint1, char*, 5);
    S_FREE(cpoint1);

    cpoint2 = S_CALLOC(char*, 12);
    S_FREE(cpoint2);

    /*
     * SPCT_FREE sets the pointed to variable to NULL
     * therefore this test should not abort.
     */
    if (cpoint1 != cpoint2)
        abort();

    return 0;
}