On Mon, Jul 21, 2014 at 4:18 AM, Zbigniew Jędrzejewski-Szmek
<zbys...@in.waw.pl> wrote:
> On Thu, Jul 17, 2014 at 08:51:52PM +0200, Thomas H.P. Andersen wrote:
>> From recent commits I have noticed the following new issues from
>> static analysis with scan-build and with clang. I am not sure how they
>> should be fixed (or even if) but I just though I would let you know.
>>
>> 1) src/shared/barrier.c in barrier_read starting at line 274
>>
>> if (pfd[1].revents) {
>> len = read(b->them, &buf, sizeof(buf));
>> ...
>> } else if (pfd[0].revents & (POLLHUP | POLLERR | POLLNVAL)) {
>> ...
>> buf = BARRIER_ABORTION;
>> }
>>
>> If neither if/else if are true then buf will be used unset.
>>
>> 2) src/resolve/resolved-dns-scope.c in dns_scope_tcp_socket
>> if s->link is null then ifindex will not be set but will be used later in:
>>
>> } else if (srv->family == AF_INET6) {
>> sa.in6.sin6_port = htobe16(53);
>> sa.in6.sin6_addr = srv->address.in6;
>> sa.in6.sin6_scope_id = ifindex;
>> salen = sizeof(sa.in6);
>>
>> 3) I see a couple of these:
>>
>> In file included from src/resolve/resolved-gperf.c:8:
>> In file included from ./src/resolve/resolved.h:34:
>> In file included from ./src/resolve/resolved-dns-query.h:33:
>> In file included from ./src/resolve/resolved-dns-scope.h:33:
>> ./src/resolve/resolved-dns-cache.h:45:3: warning: redefinition of
>> typedef 'DnsCacheItem' is a C11 feature [-Wtypedef-redefinition]
>> } DnsCacheItem;
>> ^
>> ./src/resolve/resolved-dns-cache.h:31:29: note: previous definition is here
>> typedef struct DnsCacheItem DnsCacheItem;
>
> I'd simply add -Wno-typedef-redefinition to CLAGS... This is one
> of those cases where the medicine is worse than the disease.
Fine by me. Typedef redefinition was added in gcc 4.6 so we will need that.
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