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https://github.com/xen-project/xen.git
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Andrew Cooper
b7829ea3cb
... rather than implementing them separately for libxc and libxl. They will shortly be wanted in libx86 as well. Fix up the style/consistency in the declaration, but no functional change. Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> Acked-by: Wei Liu <wei.liu2@citrix.com>
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
#ifndef __XEN_TOOLS_LIBS__
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#define __XEN_TOOLS_LIBS__
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#ifndef BUILD_BUG_ON
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#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
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#define BUILD_BUG_ON(p) ({ _Static_assert(!(p), "!(" #p ")"); })
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#else
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#define BUILD_BUG_ON(p) ((void)sizeof(char[1 - 2 * !!(p)]))
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#endif
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#endif
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*a))
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#endif
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#ifndef MAX
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#define MAX(x, y) ((x) > (y) ? (x) : (y))
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#endif
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#ifndef MIN
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#define MIN(x, y) ((x) < (y) ? (x) : (y))
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#endif
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#ifndef min
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#define min(x, y) \
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({ \
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const typeof(x) _x = (x); \
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const typeof(y) _y = (y); \
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(void) (&_x == &_y); \
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(_x < _y) ? _x : _y; \
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})
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#endif
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#ifndef max
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#define max(x, y) \
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({ \
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const typeof(x) _x = (x); \
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const typeof(y) _y = (y); \
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(void)(&_x == &_y); \
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(_x > _y) ? _x : _y; \
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})
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#endif
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#ifndef min_t
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#define min_t(type, x, y) \
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({ \
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const type _x = (x); \
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const type _y = (y); \
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(_x < _y) ? _x: _y; \
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})
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#endif
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#ifndef max_t
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#define max_t(type, x, y) \
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({ \
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const type _x = (x); \
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const type _y = (y); \
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(_x > _y) ? _x: _y; \
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})
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#endif
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#endif /* __XEN_TOOLS_LIBS__ */
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