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Problem: build with curve fails on GCC 11

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Solution: ignore false positives due to compiler bug:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578

Fixes https://github.com/zeromq/libzmq/issues/4206
This commit is contained in:
Luca Boccassi 2021-06-13 16:21:07 +01:00
parent b40a793142
commit 92b2c38a2c
1 changed files with 10 additions and 0 deletions
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10
src/curve_client_tools.hpp
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@ -180,6 +180,12 @@ struct curve_client_tools_t
// Create Box [C + vouch + metadata](C'->S') // Create Box [C + vouch + metadata](C'->S')
std::fill (initiate_plaintext.begin (), std::fill (initiate_plaintext.begin (),
initiate_plaintext.begin () + crypto_box_ZEROBYTES, 0); initiate_plaintext.begin () + crypto_box_ZEROBYTES, 0);
// False positives due to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578
#if __GNUC__ >= 11
#pragma GCC diagnostic ignored "-Warray-bounds"
#pragma GCC diagnostic ignored "-Wstringop-overflow="
#endif
memcpy (&initiate_plaintext[crypto_box_ZEROBYTES], public_key_, 32); memcpy (&initiate_plaintext[crypto_box_ZEROBYTES], public_key_, 32);
memcpy (&initiate_plaintext[crypto_box_ZEROBYTES + 32], vouch_nonce + 8, memcpy (&initiate_plaintext[crypto_box_ZEROBYTES + 32], vouch_nonce + 8,
16); 16);
@ -189,6 +195,10 @@ struct curve_client_tools_t
memcpy (&initiate_plaintext[crypto_box_ZEROBYTES + 48 + 80], memcpy (&initiate_plaintext[crypto_box_ZEROBYTES + 48 + 80],
metadata_plaintext_, metadata_length_); metadata_plaintext_, metadata_length_);
} }
#if __GNUC__ >= 11
#pragma GCC diagnostic pop
#pragma GCC diagnostic pop
#endif
memcpy (initiate_nonce, "CurveZMQINITIATE", 16); memcpy (initiate_nonce, "CurveZMQINITIATE", 16);
put_uint64 (initiate_nonce + 16, cn_nonce_); put_uint64 (initiate_nonce + 16, cn_nonce_);