mirror of https://github.com/xzeldon/htop.git
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
#ifndef HEADER_Macros
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#define HEADER_Macros
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#include <assert.h> // IWYU pragma: keep
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#ifndef MINIMUM
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#define MINIMUM(a, b) ((a) < (b) ? (a) : (b))
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#endif
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#ifndef MAXIMUM
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#define MAXIMUM(a, b) ((a) > (b) ? (a) : (b))
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#endif
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#ifndef CLAMP
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#define CLAMP(x, low, high) (assert((low) < (high)), ((x) > (high)) ? (high) : MAXIMUM(x, low))
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#endif
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#ifndef ARRAYSIZE
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#define ARRAYSIZE(x) (sizeof(x) / sizeof((x)[0]))
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#endif
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#ifdef __GNUC__ // defined by GCC and Clang
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#define ATTR_FORMAT(type, index, check) __attribute__((format (type, index, check)))
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#define ATTR_NONNULL __attribute__((nonnull))
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#define ATTR_NORETURN __attribute__((noreturn))
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#define ATTR_UNUSED __attribute__((unused))
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#else /* __GNUC__ */
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#define ATTR_FORMAT(type, index, check)
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#define ATTR_NONNULL
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#define ATTR_NORETURN
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#define ATTR_UNUSED
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#endif /* __GNUC__ */
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// ignore casts discarding const specifier, e.g.
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// const char [] -> char * / void *
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// const char *[2]' -> char *const *
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#ifdef __clang__
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#define IGNORE_WCASTQUAL_BEGIN _Pragma("clang diagnostic push") \
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_Pragma("clang diagnostic ignored \"-Wcast-qual\"")
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#define IGNORE_WCASTQUAL_END _Pragma("clang diagnostic pop")
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#elif defined(__GNUC__)
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#define IGNORE_WCASTQUAL_BEGIN _Pragma("GCC diagnostic push") \
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_Pragma("GCC diagnostic ignored \"-Wcast-qual\"")
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#define IGNORE_WCASTQUAL_END _Pragma("GCC diagnostic pop")
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#else
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#define IGNORE_WCASTQUAL_BEGIN
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#define IGNORE_WCASTQUAL_END
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#endif
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#endif
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