path: root/ext/socket/lib
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authorakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-11-19 13:49:58 +0000
committerakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-11-19 13:49:58 +0000
commit33b832979b2d01a865a25c9faefe6a3cee6e5dc2 (patch)
tree14b48449bb199cafd62a20a89e52d4afdf8ecfed /ext/socket/lib
parent121b6e064a1b167dddbdc271d503ff96e7deb83b (diff)
* ext/socket/ancdata.c: Check buffer full and ignore MSG_TRUNC flag.
buffer fullness is more robust to detect the message is too big for the buffer. AIX 7.1 recvmsg doesn't set MSG_TRUNC for rflags when MSG_PEEK is given. git-svn-id: svn+ssh:// b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/socket/lib')
1 files changed, 2 insertions, 1 deletions
diff --git a/ext/socket/lib/socket.rb b/ext/socket/lib/socket.rb
index 0240c2094e..31dc596d3e 100644
--- a/ext/socket/lib/socket.rb
+++ b/ext/socket/lib/socket.rb
@@ -415,7 +415,8 @@ class BasicSocket < IO
# _maxmesglen_ and _maxcontrollen_ can be nil.
# In that case, the buffer will be grown until the message is not truncated.
- # Internally, MSG_PEEK is used and MSG_TRUNC/MSG_CTRUNC are checked.
+ # Internally, MSG_PEEK is used.
+ # Buffer full and MSG_CTRUNC are checked for truncation.
# recvmsg can be used to implement recv_io as follows: