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Code Issues Releases Wiki Activity

Simplify way we tag unreachable code with only ISC_UNREACHABLE()

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Previously, the unreachable code paths would have to be tagged with:

    INSIST(0);
    ISC_UNREACHABLE();

There was also older parts of the code that used comment annotation:

    /* NOTREACHED */

Unify the handling of unreachable code paths to just use:

    UNREACHABLE();

The UNREACHABLE() macro now asserts when reached and also uses
__builtin_unreachable(); when such builtin is available in the compiler.
This commit is contained in:
Ondřej Surý
2021-10-11 12:50:17 +02:00
committed by Ondřej Surý
parent fe7ce629f4
commit 584f0d7a7e
91 changed files with 246 additions and 439 deletions
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3
lib/dns/diff.c
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@@ -372,8 +372,7 @@ diff_apply(dns_diff_t *diff, dns_db_t *db, dns_dbversion_t *ver, bool warn) {
&ardataset);
break;
default:
INSIST(0);
ISC_UNREACHABLE();
UNREACHABLE();
}
if (result == ISC_R_SUCCESS) {