fixed null pointer crash when passing NULL to putsock/write_socket

diff --git a/src/ClientSocket.c b/src/ClientSocket.c
index 1a3d94984279b477265f42dd5a3d8eec55df0582..a46a4bf82d1bbc2e4d1b4ab8c64436c99e0a0f52 100644 (file)
--- a/src/ClientSocket.c
+++ b/src/ClientSocket.c
@@ -220,7 +220,7 @@ int write_socket_force(struct ClientSocket *client, char* msg, int len) {
 }
 
 int write_socket(struct ClientSocket *client, char* msg, int len) {
-    if(!(client->flags & SOCKET_FLAG_CONNECTED)) return 0;
+    if(!(client && (client->flags & SOCKET_FLAG_CONNECTED))) return 0;
     if(client->flags & SOCKET_FLAG_USE_QUEUE)
         return queue_add(client, msg, len);
     else
@@ -302,7 +302,7 @@ putsock(struct ClientSocket *client, const char *text, ...)
     va_list arg_list;
     char sendBuf[MAXLEN];
     int pos;
-    if (!(client->flags & SOCKET_FLAG_CONNECTED)) return;
+    if (!(client && (client->flags & SOCKET_FLAG_CONNECTED))) return;
     sendBuf[0] = '\0';
     va_start(arg_list, text);
     pos = vsnprintf(sendBuf, MAXLEN - 2, text, arg_list);