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#ifndef HEADER_Macros
#define HEADER_Macros
#include <assert.h> // IWYU pragma: keep
#ifndef MINIMUM
#define MINIMUM(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef MAXIMUM
#define MAXIMUM(a, b) ((a) > (b) ? (a) : (b))
#endif
#ifndef CLAMP
#define CLAMP(x, low, high) (assert((low) <= (high)), ((x) > (high)) ? (high) : MAXIMUM(x, low))
#endif
#ifndef ARRAYSIZE
#define ARRAYSIZE(x) (sizeof(x) / sizeof((x)[0]))
#endif
#ifndef SPACESHIP_NUMBER
#define SPACESHIP_NUMBER(a, b) (((a) > (b)) - ((a) < (b)))
#endif
#ifndef SPACESHIP_NULLSTR
#define SPACESHIP_NULLSTR(a, b) strcmp((a) ? (a) : "", (b) ? (b) : "")
#endif
#ifdef __GNUC__ // defined by GCC and Clang
#define ATTR_FORMAT(type, index, check) __attribute__((format (type, index, check)))
#define ATTR_NONNULL __attribute__((nonnull))
#define ATTR_NORETURN __attribute__((noreturn))
#define ATTR_UNUSED __attribute__((unused))
#define ATTR_ALLOC_SIZE1(a) __attribute__((alloc_size (a)))
#define ATTR_ALLOC_SIZE2(a, b) __attribute__((alloc_size (a, b)))
#define ATTR_MALLOC __attribute__((malloc))
#else /* __GNUC__ */
#define ATTR_FORMAT(type, index, check)
#define ATTR_NONNULL
#define ATTR_NORETURN
#define ATTR_UNUSED
#define ATTR_ALLOC_SIZE1(a)
#define ATTR_ALLOC_SIZE2(a, b)
#define ATTR_MALLOC
#endif /* __GNUC__ */
// ignore casts discarding const specifier, e.g.
// const char [] -> char * / void *
// const char *[2]' -> char *const *
#ifdef __clang__
#define IGNORE_WCASTQUAL_BEGIN _Pragma("clang diagnostic push") \
_Pragma("clang diagnostic ignored \"-Wcast-qual\"")
#define IGNORE_WCASTQUAL_END _Pragma("clang diagnostic pop")
#elif defined(__GNUC__)
#define IGNORE_WCASTQUAL_BEGIN _Pragma("GCC diagnostic push") \
_Pragma("GCC diagnostic ignored \"-Wcast-qual\"")
#define IGNORE_WCASTQUAL_END _Pragma("GCC diagnostic pop")
#else
#define IGNORE_WCASTQUAL_BEGIN
#define IGNORE_WCASTQUAL_END
#endif
#endif
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