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mdbx: add few __fallthrough and __unreachable.

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Change-Id: Ife18986a3a6391c76f63d12f8102bd6670ae63eb
This commit is contained in:
Leo Yuriev 2017-10-29 00:58:02 +03:00
parent aec2445161
commit 866ca18970
1 changed files with 8 additions and 3 deletions
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11
src/mdbx.c
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@ -1452,15 +1452,19 @@ static __inline bool mdbx_meta_ot(const enum meta_choise_mode mode,
switch (mode) { switch (mode) {
default: default:
assert(false); assert(false);
/* fall through */ __unreachable();
/* fall through */
__fallthrough;
case prefer_steady: case prefer_steady:
if (META_IS_STEADY(a) != META_IS_STEADY(b)) if (META_IS_STEADY(a) != META_IS_STEADY(b))
return META_IS_STEADY(b); return META_IS_STEADY(b);
/* fall through */ /* fall through */
__fallthrough;
case prefer_noweak: case prefer_noweak:
if (META_IS_WEAK(a) != META_IS_WEAK(b)) if (META_IS_WEAK(a) != META_IS_WEAK(b))
return !META_IS_WEAK(b); return !META_IS_WEAK(b);
/* fall through */ /* fall through */
__fallthrough;
case prefer_last: case prefer_last:
mdbx_jitter4testing(true); mdbx_jitter4testing(true);
if (txnid_a == txnid_b) if (txnid_a == txnid_b)
@ -10907,6 +10911,7 @@ static int __cold mdbx_env_walk(mdbx_walk_ctx_t *ctx, const char *dbi,
break; break;
case P_META: case P_META:
case P_OVERFLOW: case P_OVERFLOW:
__fallthrough;
default: default:
return MDBX_CORRUPTED; return MDBX_CORRUPTED;
} }