On Mon, May 26, 2014 at 09:50:42PM +0900, Michael Paquier wrote: > > x86_64-w64-mingw32-gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -g -I/home/pgrunner/bf/root/HEAD/pgsql.5100/../pgsql/src/interfaces/libpq -I../../../src/include -I/home/pgrunner/bf/root/HEAD/pgsql.5100/../pgsql/src/include -I../pgsql/src/include/port/win32 -DEXEC_BACKEND -I/c/prog/3p64/include/libxml2 -I/c/prog/3p64/include -I/c/prog/3p64/openssl/include "-I/home/pgrunner/bf/root/HEAD/pgsql.5100/../pgsql/src/include/port/win32" -c -o parallel.o /home/pgrunner/bf/root/HEAD/pgsql.5100/../pgsql/src/bin/pg_dump/parallel.c > > c:/mingw/msys/1.0/home/pgrunner/bf/root/HEAD/pgsql.5100/../pgsql/src/bin/pg_dump/parallel.c: In function 'pgpipe': > > c:/mingw/msys/1.0/home/pgrunner/bf/root/HEAD/pgsql.5100/../pgsql/src/bin/pg_dump/parallel.c:1332:2: warning: overflow in implicit constant conversion [-Woverflow] > > handles[0] = handles[1] = INVALID_SOCKET; > > ^ > > c:/mingw/msys/1.0/home/pgrunner/bf/root/HEAD/pgsql.5100/../pgsql/src/bin/pg_dump/parallel.c:1386:3: warning: overflow in implicit constant conversion [-Woverflow] > > handles[1] = INVALID_SOCKET; > > ^ > In mingw-w64, SOCKET_INVALID is defined as ~0: > http://sourceforge.net/p/mingw-w64/mingw-w64/ci/master/tree/mingw-w64-headers/include/psdk_inc/_socket_types.h > Is this overflow caused because SOCKET_INVALID corresponds to a 64b > value in mingw-w64? > Looking at the code this exists since 9.3.I think this is caused because the variable is not defined as SOCKET. The attached patch fixes this. This should prevent the warning.
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