From 189d9dd5f57d989d21fb706edd5f6c420065cb9d Mon Sep 17 00:00:00 2001 From: David Baird Date: Sat, 29 Jul 2017 13:34:35 -0400 Subject: [PATCH] Maybe fix #57: vector iterator not dereferencable. --- easywsclient.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/easywsclient.cpp b/easywsclient.cpp index df50b94..260ea69 100644 --- a/easywsclient.cpp +++ b/easywsclient.cpp @@ -410,7 +410,10 @@ class _RealWebSocket : public easywsclient::WebSocket txbuf.insert(txbuf.end(), header.begin(), header.end()); txbuf.insert(txbuf.end(), message_begin, message_end); if (useMask) { - for (size_t i = 0; i != message_size; ++i) { *(txbuf.end() - message_size + i) ^= masking_key[i&0x3]; } + size_t message_offset = txbuf.size() - message_size; + for (size_t i = 0; i != message_size; ++i) { + txbuf[message_offset + i] ^= masking_key[i&0x3]; + } } }