static analysis and cast of argument

Author: JacobBarthelmeh

examples/sftpclient/sftpclient.c

@@ -1127,7 +1127,7 @@ THREAD_RETURN WOLFSSH_THREAD sftpclient_test(void* args)
         n = NULL;
     }
 
-    ret = doCmds(args);
+    ret = doCmds((func_args*)args);
     XFREE(workingDir, NULL, DYNAMIC_TYPE_TMP_BUFFER);
     if (ret == WS_SUCCESS) {
         if (wolfSSH_shutdown(ssh) != WS_SUCCESS) {

src/wolfscp.c

@@ -2178,6 +2178,11 @@ int wsScpSendCallback(WOLFSSH* ssh, int state, const char* peerRequest,
             }
 
             ret = FindNextDirEntry(sendCtx);
+
+            /* help out static analysis tool */
+            if (ret != WS_BAD_ARGUMENT && sendCtx == NULL)
+                ret = WS_BAD_ARGUMENT;
+
             if (ret == WS_SUCCESS || ret == WS_NEXT_ERROR) {
 
             #ifdef WOLFSSL_NUCLEUS