From 988f118ba9de91010546b8e0fcedd8dc8a8a16d4 Mon Sep 17 00:00:00 2001
From: Isaac Connor <isaac@zoneminder.com>
Date: Tue, 25 Jan 2022 11:55:21 -0500
Subject: [PATCH] Fix fail to get Sources in RTSP. the string msg although
 initially reserved to ZM_NETWORK_BUFSIZ, after use it's capacity is changed
 whatever it's contents are. So need to re-reserve.

---
 src/zm_comms.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/zm_comms.h b/src/zm_comms.h
index 070ed5395..ce316b17b 100644
--- a/src/zm_comms.h
+++ b/src/zm_comms.h
@@ -244,6 +244,7 @@ class Socket : public CommsBase {
   }
 
   virtual ssize_t recv(std::string &msg) const {
+    msg.reserve(ZM_NETWORK_BUFSIZ);
     std::vector<char> buffer(msg.capacity());
     ssize_t nBytes;
     if ((nBytes = ::recv(mSd, buffer.data(), buffer.size(), 0)) < 0) {