/*
 * util.h - Utility functions
 * Copyright (C) 2024  Alexander Rosenberg
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version. See the LICENSE file for more information.
 */
#ifndef INCLUDED_UTIL_H
#define INCLUDED_UTIL_H

#include <stdlib.h>

struct GlobalFlags {
    const char *config_path; // path to config file
    const char *gpio_path; // path of GPIO device file to use
};
extern struct GlobalFlags GLOBAL_FLAGS;

/*
 * Like malloc(3), except that if allocation fails, an error will be written to
 * standard error and abort(3) called
 */
void *malloc_checked(size_t n);

/*
 * Like realloc(3), except that if allocation fails, an error will be written to
 * standard error and abort(3) called
 */
void *realloc_checked(void *old_ptr, size_t n);

#endif