From ce35a6c9751de98bb6dd67a645624f3825609040 Mon Sep 17 00:00:00 2001
From: orbitcowboy <orbitcowboy@web.de>
Date: Thu, 21 Apr 2022 16:59:25 +0200
Subject: [PATCH] std.cfg: Added more tests for strcat() and strcpy().

---
 test/cfg/std.c   | 22 ++++++++++++++++++++++
 test/cfg/std.cpp | 22 ++++++++++++++++++++++
 2 files changed, 44 insertions(+)

diff --git a/test/cfg/std.c b/test/cfg/std.c
index 6c0ec4f04..de5d47fec 100644
--- a/test/cfg/std.c
+++ b/test/cfg/std.c
@@ -3113,6 +3113,28 @@ void uninitvar_strcat(char *dest, const char * const source)
     (void)strcat(dest,source);
 }
 
+void nullPointer_strcpy(char *dest, const char * const source)
+{
+    // cppcheck-suppress nullPointer
+    (void)strcpy(NULL,source);
+    // cppcheck-suppress nullPointer
+    (void)strcpy(dest,NULL);
+
+    // no warning shall be shown for
+    (void)strcpy(dest,source);
+}
+
+void nullPointer_strcat(char *dest, const char * const source)
+{
+    // cppcheck-suppress nullPointer
+    (void)strcat(NULL,source);
+    // cppcheck-suppress nullPointer
+    (void)strcat(dest,NULL);
+
+    // no warning shall be shown for
+    (void)strcat(dest,source);
+}
+
 void bufferAccessOutOfBounds_strcat(char *dest, const char * const source)
 {
     char buf4[4] = {0};
diff --git a/test/cfg/std.cpp b/test/cfg/std.cpp
index 636340acf..1e063d502 100644
--- a/test/cfg/std.cpp
+++ b/test/cfg/std.cpp
@@ -1293,6 +1293,28 @@ void nullPointer_strncat(char *d, char *s, size_t n)
     (void)std::strncat(d,s,n);
 }
 
+void nullPointer_strcpy(char *dest, const char * const source)
+{
+    // cppcheck-suppress nullPointer
+    (void)std::strcpy(NULL,source);
+    // cppcheck-suppress nullPointer
+    (void)std::strcpy(dest,NULL);
+
+    // no warning shall be shown for
+    (void)std::strcpy(dest,source);
+}
+
+void nullPointer_strcat(char *dest, const char * const source)
+{
+    // cppcheck-suppress nullPointer
+    (void)std::strcat(NULL,source);
+    // cppcheck-suppress nullPointer
+    (void)std::strcat(dest,NULL);
+
+    // no warning shall be shown for
+    (void)std::strcat(dest,source);
+}
+
 void nullPointer_strncpy(char *d, const char *s, size_t n)
 {
     // cppcheck-suppress nullPointer