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22 lines
476 B
22 lines
476 B
#ifndef COMMON_UTIL_H
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#define COMMON_UTIL_H
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#define min(a,b) \
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({ __typeof__ (a) _a = (a); \
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__typeof__ (b) _b = (b); \
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_a < _b ? _a : _b; })
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#define max(a,b) \
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({ __typeof__ (a) _a = (a); \
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__typeof__ (b) _b = (b); \
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_a > _b ? _a : _b; })
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#define clamp(a,b,c) \
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({ __typeof__ (a) _a = (a); \
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__typeof__ (b) _b = (b); \
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__typeof__ (c) _c = (c); \
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_a < _b ? _b : (_a > _c ? _c : _a); })
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#define ARRAYSIZE(x) (sizeof(x)/sizeof(x[0]))
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#endif
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