From 7e3ac96ebc872c33039f4cca3029fefc3e6beb8d Mon Sep 17 00:00:00 2001
From: orbitcowboy <orbitcowboy@web.de>
Date: Tue, 26 Apr 2022 17:50:59 +0200
Subject: [PATCH] std.cfg: Improved tests of vswprintf().

---
 test/cfg/std.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/test/cfg/std.c b/test/cfg/std.c
index bd6a93448..b08b1e407 100644
--- a/test/cfg/std.c
+++ b/test/cfg/std.c
@@ -4097,6 +4097,15 @@ void valid_vsprintf()
     valid_vsprintf_helper("%1.0f", 2.0f);
 }
 
+int nullPointer_vswprintf(wchar_t* restrict ws, size_t s, const wchar_t* restrict format, va_list ap)
+{
+    // cppcheck-suppress nullPointer
+    vswprintf(NULL, s,format, ap);
+    // cppcheck-suppress nullPointer
+    vswprintf(ws, s,NULL, ap);
+    return vswprintf(ws, s,format, ap);
+}
+
 void uninitvar_vswprintf(void)
 {
     wchar_t *s;