From 16d132215cab68e57798927301268518bc1c3bf8 Mon Sep 17 00:00:00 2001 From: MarcoFalke Date: Mon, 8 Nov 2021 16:07:31 +0100 Subject: [PATCH] refactor: Use (int)&(int) in boolean context to avoid compiler warning This fixes a compiler warning: ./src/ecdsa_impl.h:312:12: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical] return !secp256k1_scalar_is_zero(sigr) & !secp256k1_scalar_is_zero(sigs); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --- src/ecdsa_impl.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/ecdsa_impl.h b/src/ecdsa_impl.h index a75a088..90b4b22 100644 --- a/src/ecdsa_impl.h +++ b/src/ecdsa_impl.h @@ -304,12 +304,12 @@ static int secp256k1_ecdsa_sig_sign(const secp256k1_ecmult_gen_context *ctx, sec high = secp256k1_scalar_is_high(sigs); secp256k1_scalar_cond_negate(sigs, high); if (recid) { - *recid ^= high; + *recid ^= high; } /* P.x = order is on the curve, so technically sig->r could end up being zero, which would be an invalid signature. * This is cryptographically unreachable as hitting it requires finding the discrete log of P.x = N. */ - return !secp256k1_scalar_is_zero(sigr) & !secp256k1_scalar_is_zero(sigs); + return (int)(!secp256k1_scalar_is_zero(sigr)) & (int)(!secp256k1_scalar_is_zero(sigs)); } #endif /* SECP256K1_ECDSA_IMPL_H */