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Mark unreachable lines in crypto_ed25519.c

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This commit is contained in:
Nick Mathewson 2016-05-03 12:18:50 -04:00
parent 8a536be705
commit 5b91e70a4f
1 changed files with 5 additions and 2 deletions
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7
src/common/crypto_ed25519.c
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@ -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