returns.c

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#include <stdlib.h>
#include "../../include/utils/errors.h"
#include "../../include/utils/returns.h"
 
cg_return *new_cg_return(void *value, cg_error *err) {
    cg_return *ret = calloc(sizeof(cg_return), sizeof(value) + sizeof(err));
    if (ret == NULL) {
        printf("failed to calloc cg_return\n");
        return NULL;
    }
    if (err != NULL) {
        ret->err = err;
    } else {
        ret->err = NULL;
    }
    if (value != NULL) {
        ret->value = value;
    } else {
        ret->value = NULL;
    }
    return ret;
}
 
void free_cg_return(cg_return *ret) {
    // TODO(bonedaddy): determine how we can determine if ret->value needs to be freed
    if (ret->err != NULL) {
        free_cg_error(ret->err);
    }
    free(ret);
}