#ifndef _UTILS_H_
#define _UTILS_H_

#include <pthread.h>

#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a,b) (a) < (b) ? (b) : (a)

#define ARRAY_SIZE(a) (sizeof(a) / (sizeof((a)[0])))

struct mutex {
	pthread_mutex_t lock;
	int line;
	char *file;
	char owner_name[16];
	time_t lock_time;
	char *name;
};

void _mutex_lock_acquired(struct mutex *lock, char *file, int line);
int _mutex_lock(struct mutex *lock, char *file, int line);
int _mutex_unlock(struct mutex *lock);

#define mutex_lock(lock) _mutex_lock(lock, __FILE__, __LINE__)
#define mutex_unlock(lock) _mutex_unlock(lock)
#define mutex_lock_acquired(lock) _mutex_lock_acquired(lock, __FILE__, __LINE__)

static inline char *_strlcat(char *dst, const char *src, size_t len)
{
	strncat(dst, src, len - strnlen(dst, len) - 1);
	dst[len - 1] = '\0';

	return dst;
}

static inline int mutex_init(struct mutex *mutex)
{
	mutex->line = 0;
	mutex->owner_name[0] = '\0';
	mutex->lock_time = 0;
	mutex->name = NULL;

	return pthread_mutex_init(&mutex->lock, NULL);
}

#define ROUND_UP(a, m) ((a) + (m) - (a) % (m))

#endif