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author | Jarkko Hietaniemi <jhi@iki.fi> | 2014-06-12 21:23:14 -0400 |
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committer | Jarkko Hietaniemi <jhi@iki.fi> | 2014-06-13 21:41:58 -0400 |
commit | 8c2b19724d117cecfa186d044abdbf766372c679 (patch) | |
tree | 05aa26abffa2a53a577c846d81bb8f2743b99817 /miniperlmain.c | |
parent | b017fe877ad78f04afaa3c1327fc46391f572bfb (diff) | |
download | perl-8c2b19724d117cecfa186d044abdbf766372c679.tar.gz |
Some low-hanging -Wunreachable-code fruits.
- after croak/die/exit (or return), break (or return!) are pointless
(break is not a terminator/separator, it's a promise of a jump)
- after goto, another goto (!) is pointless
- in some cases (usually function ends) introduce explicit NOT_REACHED
to make the noreturn nature clearer (do not do this everywhere, though,
since that would mean adding NOT_REACHED after every croak)
- for the added NOT_REACHED also add /* NOTREACHED */ since
NOT_REACHED is for gcc (and VC), while the comment is for linters
- declaring variables in switch blocks is just too fragile:
it kind of works for narrowing the scope (which is nice),
but breaks the moment there are initializations for the variables
(they will be skipped!); in some easy cases simply hoist the declarations
out of the block and move them earlier
There are still a few places left.
Diffstat (limited to 'miniperlmain.c')
-rw-r--r-- | miniperlmain.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/miniperlmain.c b/miniperlmain.c index f22dcbba8d..e748523414 100644 --- a/miniperlmain.c +++ b/miniperlmain.c @@ -162,7 +162,6 @@ main(int argc, char **argv, char **env) #endif /* PERL_GLOBAL_STRUCT */ exit(exitstatus); - return exitstatus; } /* Register any extra external extensions */ |