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net/getsockname: small addrlen should be a valid value

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fix usrsock getsockname fail

nsh> usrsocktest
...
Testing group "basic_getsockname" =>
	[TEST ASSERT FAILED!]
		In function "basic_getsockname_open":
		line 170: Assertion `(ssize_t)((ret)) == (ssize_t)((0))' failed.
			got value: -1
			should be: 0
	Group "basic_getsockname": [FAILED]
...

Reference:

GETSOCKNAME(2)

NAME
       getsockname - get socket name
...
DESCRIPTION
...
       The returned address is truncated if the buffer provided is too small;
       in this case, addrlen will return a value greater than was supplied to the call.

Signed-off-by: chao an <anchao@xiaomi.com>
This commit is contained in:
chao an
2022-08-31 21:43:11 +08:00
committed by Xiang Xiao
parent 6f27c29ce5
commit fe7badf2ac
1 changed files with 1 additions and 1 deletions
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net/socket/getsockname.c
+1 -1
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@@ -88,7 +88,7 @@ int psock_getsockname(FAR struct socket *psock, FAR struct sockaddr *addr,
/* Some sanity checking... */
if (addr == NULL || addrlen == NULL || *addrlen <= 0)
if (addr == NULL || addrlen == NULL)
{
return -EINVAL;
}