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updated undefined behavior in accordance with zcash remedy rex4539 #4056
pull/98/head
Charles
4 years ago
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GPG Key ID: 251655CC546D9787
1 changed files with
3 additions and
2 deletions
-
src/arith_uint256.cpp
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@ -193,9 +193,10 @@ unsigned int base_uint<BITS>::bits() const |
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{ |
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for (int pos = WIDTH - 1; pos >= 0; pos--) { |
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if (pn[pos]) { |
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for (int bits = 31; bits > 0; bits--) { |
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if (pn[pos] & 1 << bits) |
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for (size_t bits = 31; bits > 0; bits--) { |
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if (pn[pos] & (1U << bits)) { |
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return 32 * pos + bits + 1; |
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} |
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} |
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return 32 * pos + 1; |
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} |
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