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#ifndef UTIL_H
#define UTIL_H

#include <stdarg.h>
#include <stddef.h>

// utility for errors
#if DEBUG
    #define log(fmt, ...) _log(__LINE__, __FILE__, fmt, ##__VA_ARGS__)
    void _log(int line, const char* file, const char* format, ...) __attribute__((format(printf, 3, 4)));

    #define die(fmt, ...) _die(__LINE__, __FILE__, fmt, ##__VA_ARGS__)
    void _die(int line, const char* file, const char* format, ...) __attribute__((format(printf, 3, 4)));
#else
    #define log(fmt, ...) _log(fmt, ##__VA_ARGS__)
    void _log(const char* format, ...) __attribute__((format(printf, 1, 2)));

    #define die(fmt, ...) _die(fmt, ##__VA_ARGS__)
    void _die(const char* format, ...) __attribute__((format(printf, 1, 2)));
#endif
void* emalloc(size_t size, char* alloc_reason);

// string functions
char* vastrcat_(int dummy, ...);
#define vastrcat(...) vastrcat_(0, __VA_ARGS__, NULL)

#endif