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15 lines
317 B
15 lines
317 B
10 years ago
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#ifndef LIGHTNING_OVERFLOWS_H
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#define LIGHTNING_OVERFLOWS_H
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static inline bool add_overflows_size_t(uint64_t a, uint64_t b)
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{
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return (size_t)a != a || (size_t)b != b || (a + b) < (size_t)a;
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}
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static inline bool add_overflows_u64(uint64_t a, uint64_t b)
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{
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return (a + b) < a;
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}
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#endif /* LIGHTNING_OVERFLOWS_H */
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