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Mansour Rahimi 79fe895112 net: fix UDPConn readers to return truncated payload size instead of 0
Calling UDPConn readers (Read, ReadFrom, ReadMsgUDP) to read part of
datagram returns error (in Windows), mentioning there is more data
available, and 0 as size of read data, even though part of data is
already read.

This fix makes UDPConn readers to return truncated payload size,
even there is error due more data available to read.

Fixes #14074
Updates #18056

Change-Id: Id7eec7f544dd759b2d970fa2561eef2937ec4662
Reviewed-on: https://go-review.googlesource.com/92475
Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Mikio Hara <mikioh.mikioh@gmail.com>
2018-02-21 10:40:03 +00:00
.github github: update Pull Request template 2018-02-21 02:07:46 +00:00
api syscall: support Getwd on all BSDs 2018-02-13 15:41:19 +00:00
doc doc: improve clarity of map index examples 2018-02-19 05:48:39 +00:00
lib/time all: use HTTPS for iana.org links 2018-02-13 18:36:48 +00:00
misc misc/cgo/testcshared: increase sleep in TestUnexportedSymbols 2018-02-14 15:03:29 +00:00
src net: fix UDPConn readers to return truncated payload size instead of 0 2018-02-21 10:40:03 +00:00
test test: add test case where gccgo incorrectly rejected aliases 2018-02-20 01:57:14 +00:00
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.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: update my name and spelling 2018-02-21 04:12:57 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS A+C: update my name and spelling 2018-02-21 04:12:57 +00:00
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LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
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