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Cygwin: AF_UNIX: setsockopt: align SO_RCVBUF/SO_SNDBUF to Linux

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The incoming size is doubled and must not be less than 256.
Fold both options into one code block.  Fix indentation.
This commit is contained in:
Corinna Vinschen 2019-02-09 20:02:24 +01:00
parent b54240b08a
commit 3bd0df5170
1 changed files with 25 additions and 18 deletions
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43
winsup/cygwin/fhandler_socket_unix.cc
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@ -2056,21 +2056,28 @@ fhandler_socket_unix::setsockopt (int level, int optname, const void *optval,
break;
case SO_RCVBUF:
if (optlen < (socklen_t) sizeof (int))
{
set_errno (EINVAL);
return -1;
}
rmem (*(int *) optval);
break;
case SO_SNDBUF:
if (optlen < (socklen_t) sizeof (int))
{
set_errno (EINVAL);
return -1;
}
wmem (*(int *) optval);
{
if (optlen < (socklen_t) sizeof (int))
{
set_errno (EINVAL);
return -1;
}
/* As on Linux double value and make sure it's not too small */
int val = *(int *) optval;
if (val > 0 && val < INT_MAX / 2)
val *= 2;
if (val < 256)
{
set_errno (EINVAL);
return -1;
}
if (optname == SO_RCVBUF)
rmem (*(int *) optval);
else
wmem (*(int *) optval);
}
break;
case SO_RCVTIMEO:
@ -2083,10 +2090,10 @@ fhandler_socket_unix::setsockopt (int level, int optname, const void *optval,
if (!timeval_to_ms ((struct timeval *) optval,
(optname == SO_RCVTIMEO) ? rcvtimeo ()
: sndtimeo ()))
{
set_errno (EDOM);
return -1;
}
{
set_errno (EDOM);
return -1;
}
break;
default: