commit 5b91e70a4f0020e7ea70a134f62a28f4633a8085 Author: Nick Mathewson nickm@torproject.org Date: Tue May 3 12:18:50 2016 -0400

Mark unreachable lines in crypto_ed25519.c --- src/common/crypto_ed25519.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/common/crypto_ed25519.c b/src/common/crypto_ed25519.c index ea2d8e3..6546115 100644 --- a/src/common/crypto_ed25519.c +++ b/src/common/crypto_ed25519.c @@ -94,8 +94,8 @@ static const ed25519_impl_t *ed25519_impl = NULL; static inline const ed25519_impl_t * get_ed_impl(void) { - if (PREDICT_UNLIKELY(ed25519_impl == NULL)) { - pick_ed25519_impl(); + if (BUG(ed25519_impl == NULL)) { + pick_ed25519_impl(); // LCOV_EXCL_LINE - We always call ed25519_init(). } return ed25519_impl; } @@ -594,9 +594,12 @@ pick_ed25519_impl(void) if (ed25519_impl_spot_check() == 0) return;

+ /* LCOV_EXCL_START + * unreachable unless ed25519_donna is broken */ log_warn(LD_CRYPTO, "The Ed25519-donna implementation seems broken; using " "the ref10 implementation."); ed25519_impl = &impl_ref10; + /* LCOV_EXCL_STOP */ }

/* Initialize the Ed25519 implementation. This is neccessary if you're