1 files changed, 4 insertions, 0 deletions
diff --git a/socket.c b/socket.c
index 59c1f64f..7a30e3a8 100644
--- a/socket.c
+++ b/socket.c
@@ -90,7 +90,11 @@ va_dcl {
 #else
     va_start(ap);
 #endif
+#ifdef HAVE_VSNPRINTF
+    vsnprintf(buf, sizeof(buf), format, ap);
+#else
     vsprintf(buf, format, ap);
+#endif
     va_end(ap);
     return SockWrite(sock, buf, strlen(buf));