From 01a24d2ce0940a4aa904a21eb540b26faacea9ec Mon Sep 17 00:00:00 2001
From: orbitcowboy <orbitcowboy@web.de>
Date: Sun, 1 May 2022 12:27:14 +0200
Subject: [PATCH] posix.cfg: Improved configuration of recv().

---
 cfg/posix.cfg    | 1 +
 test/cfg/posix.c | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/cfg/posix.cfg b/cfg/posix.cfg
index 61a3faee1..2e6981777 100644
--- a/cfg/posix.cfg
+++ b/cfg/posix.cfg
@@ -2261,6 +2261,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
       <valid>0:</valid>
     </arg>
     <arg nr="2" direction="out">
+      <not-null/>
       <minsize type="argvalue" arg="3"/>
     </arg>
     <arg nr="3" direction="in">
diff --git a/test/cfg/posix.c b/test/cfg/posix.c
index c164e60c6..aed88f778 100644
--- a/test/cfg/posix.c
+++ b/test/cfg/posix.c
@@ -32,6 +32,13 @@
 #include <wchar.h>
 #include <string.h>
 
+ssize_t nullPointer_recv(int sockfd, void *buf, size_t len, int flags)
+{
+    // cppcheck-suppress nullPointer
+    (void) recv(sockfd, NULL, len, flags);
+    return recv(sockfd, buf, len, flags);
+}
+
 ssize_t nullPointer_recvfrom(int sockfd, void *buf, size_t len, int flags,
                              struct sockaddr *src_addr, socklen_t *addrlen)
 {