#ifndef _UTIL_H_
#define _UTIL_H_

#include <stdlib.h>
#include <stdio.h>

const char* check_get_env(char* env);

#ifdef _UTIL_DEF_
const char* check_get_env(char* env) {
	char *env_val = getenv(env);
	if (!env_val) {
		fprintf(stderr, "%s not set", env);
		exit(1);
	}
	return env_val;
}
#endif

#endif