#ifndef RESULTS_H
#define RESULTS_H

typedef enum {
	OK,
	ERR_INVALID_STATE,
	ERR_NO_MEM,
	ERR_SIZE,
	ERR_LIQUID,
	ERR_SYSCALL         // a syscall failed. Use errno to determine the cause.
} result_t;

#ifdef DEBUG_LIQUID
#include <stdio.h>

#   define ERR_CHECK_LIQUID(call) \
	do { \
		liquid_error_code lq_result; \
		if((lq_result = (call)) != LIQUID_OK) { \
			fprintf(stderr, "Liquid call failed in %s:%d: %s\n", __FILE__, __LINE__, liquid_error_info(lq_result)); \
			return ERR_LIQUID; \
		} \
	} while(0);
#else
#   define ERR_CHECK_LIQUID(call) if((call) != LIQUID_OK) { return ERR_LIQUID; }
#endif

#define ERR_CHECK(call) \
	do { \
		result_t err_check_result = call; \
		if(err_check_result != OK) { \
			fprintf(stderr, "Error detected at %s:%d: %d\n", __FILE__, __LINE__, err_check_result); \
			return err_check_result; \
		} \
	} while(0);

#endif // RESULTS_H