From e0942c1bb4d791848921144b23c0cbe22bf4ee7c Mon Sep 17 00:00:00 2001
From: orbitcowboy <orbitcowboy@web.de>
Date: Tue, 19 Apr 2022 21:21:35 +0200
Subject: [PATCH] std.cfg: Ensure warnings are issued for passing null pointer
 to bsearch().

---
 test/cfg/std.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/test/cfg/std.c b/test/cfg/std.c
index afb1e1947..75aad265f 100644
--- a/test/cfg/std.c
+++ b/test/cfg/std.c
@@ -2854,6 +2854,16 @@ void uninitvar_vwprintf(wchar_t *Format, va_list Arg)
     (void)vwprintf(Format,arg);
 }
 
+void nullPointer_bsearch(void* key, void* base, size_t num, size_t size)
+{
+    // cppcheck-suppress nullPointer
+    (void)bsearch(NULL,base,num,size,(int (*)(const void*,const void*))strcmp);
+    // cppcheck-suppress nullPointer
+    (void)bsearch(key,NULL,num,size,(int (*)(const void*,const void*))strcmp);
+    // No warning is expected
+    (void)bsearch(key,base,num,size,(int (*)(const void*,const void*))strcmp);
+}
+
 void uninitvar_bsearch(void)
 {
     void* key;