On 4 Mar 2019, at 19:48, Simon Wright <si...@pushface.org> wrote: > With GCC9, GNAT.Sockets includes support for IPv6. Sockaddr is an > Unchecked_Union, which now includes IPv6 fields, bringing the total possible > size to 28 bytes. The code in Bind_Socket currently calculates the length of > the struct sockaddr to be passed to bind(2) as this size, which (at any rate > on Darwin x86_64) results in failure (EINVAL).
My previous version of this patch calculated the required length explicitly,
rather than re-using the same calculation already made in
GNAT.Sockets.Thin_Common.Lengths.
Also added new testcase.
Tested by rebuilding gnatlib (make -C gcc gnatlib) and running make check-gnat:
=== gnat Summary ===
# of expected passes 2961
# of expected failures 23
# of unsupported tests 10
gcc/ada/Changelog:
2019-03-05 Simon Wright <si...@pushface.org>
PR ada/89583
* libgnat/g-socket.adb (Bind_Socket): Calculate Len (the significant
length of the Sockaddr) using GNAT.Sockets.Thin_Common.Lengths.
gcc/testsuite/Changelog:
2019-03-05 Simon Wright <si...@pushface.org>
PR ada/89583
* gnat.dg/socket2.adb: New.
pr89583.diff
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