errors.h

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#ifndef ERRORS_H
#define ERRORS_H
 
#include <stdio.h>
#include <stdlib.h>
 
#define assert(EVAL, ERROR_CODE, ...)       \
    ({                                      \
        if (! (EVAL))                       \
        {                                   \
            printf(__VA_ARGS__);            \
            exit(ERROR_CODE);               \
        }                                   \
    })
 
#define requires(EVAL, ERROR_CODE, ...)     \
    ({                                      \
        if (! (EVAL))                       \
        {                                   \
            printf(__VA_ARGS__);            \
            return ERROR_CODE;              \
        }                                   \
    })
 
#endif /* ERRORS_H */