From: Peter Radisson <radisson97@web.de>
To: linux-man@vger.kernel.org
Cc: "Alejandro Colomar (man-pages)" <alx.manpages@gmail.com>
Subject: fix: recvfrom() error handling
Date: Thu, 27 Mar 2025 11:55:43 +0100 [thread overview]
Message-ID: <5449c846-e9ff-4c4c-b161-485da08a578b@web.de> (raw)
Hello List,
while chasing an unrelated bug i found the description of recvfrom()
was missing some error description. I would suggest to add a few lines
to make this confusing state more clear.
CU
--- recv.2.org 2025-03-25 21:55:10.914273000 +0100
+++ recv.2 2025-03-25 22:55:18.843789307 +0100
@@ -299,6 +299,23 @@
and
.I addrlen
should be specified as NULL.
+If
+.I src_addr
+is NULL
+.I addrlen
+will be ignored.
+
+If
+.I src_addr
+is not NULL and
+.I addrlen
+is less than null the call will return with
+.IR EINVAL .
+If
+.I addrlen
+is less than sizeof struct sockaddr_in the src_addr will
+not be modified.
+
.\"
.SS recv()
The
next reply other threads:[~2025-03-27 10:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-27 10:55 Peter Radisson [this message]
2025-03-27 12:29 ` fix: recvfrom() error handling Alejandro Colomar
2025-03-27 16:35 ` Peter Radisson
2025-03-27 17:28 ` Alejandro Colomar
2025-03-27 17:47 ` Peter Radisson
2025-03-28 22:45 ` Carlos O'Donell
2025-03-28 23:26 ` Peter Radisson
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