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option.c: single byte boolean

* ext/socket/option.c (sockopt_bool): relax boolean size to be one
  too not only sizeof(int).  Winsock getsockopt() returns a single
  byte as a boolean socket option.  [ruby-core:72730] [Bug #11958]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53561 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-01-17 06:31:36 +00:00
parent f918d2b8e2
commit 0bc5341690
3 changed files with 19 additions and 2 deletions

View file

@ -1,3 +1,9 @@
Sun Jan 17 15:30:57 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
* ext/socket/option.c (sockopt_bool): relax boolean size to be one
too not only sizeof(int). Winsock getsockopt() returns a single
byte as a boolean socket option. [ruby-core:72730] [Bug #11958]
Sun Jan 17 14:43:01 2016 Kuniaki IGARASHI <igaiga@gmail.com>
* test/ruby/test_env.rb: [Fix GH-1201]

View file

@ -302,10 +302,15 @@ static VALUE
sockopt_bool(VALUE self)
{
int i;
long len;
VALUE data = sockopt_data(self);
StringValue(data);
check_size(RSTRING_LEN(data), sizeof(int));
memcpy((char*)&i, RSTRING_PTR(data), sizeof(int));
len = RSTRING_LEN(data);
if (len == 1) {
return *RSTRING_PTR(data) == 0 ? Qfalse : Qtrue;
}
check_size(len, sizeof(int));
memcpy((char*)&i, RSTRING_PTR(data), len);
return i == 0 ? Qfalse : Qtrue;
}

View file

@ -25,6 +25,12 @@ class TestSocketOption < Test::Unit::TestCase
assert_equal(true, opt.bool)
opt = Socket::Option.int(:INET, :SOCKET, :KEEPALIVE, 2)
assert_equal(true, opt.bool)
Socket.open(:INET, :STREAM) {|s|
s.setsockopt(Socket::Option.bool(:INET, :SOCKET, :KEEPALIVE, true))
assert_equal(true, s.getsockopt(Socket::SOL_SOCKET, Socket::SO_KEEPALIVE).bool)
s.setsockopt(Socket::Option.bool(:INET, :SOCKET, :KEEPALIVE, false))
assert_equal(false, s.getsockopt(Socket::SOL_SOCKET, Socket::SO_KEEPALIVE).bool)
}
end
def test_ipv4_multicast_loop