From: Adam C. Emerson <aemerson@redhat.com>
Date: Mon, 7 Mar 2022 23:54:30 +0000 (-0500)
Subject: mon: Replace deprecated use of format_to
X-Git-Tag: v17.2.4~109^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=1ccb724fc004b2de0a92b35ad04eed3a5fef846c;p=ceph.git

mon: Replace deprecated use of format_to

The non-deprecated version takes an explicit OutputIterator.

Signed-off-by: Adam C. Emerson <aemerson@redhat.com>
(cherry picked from commit fff72cd14c58d06774cbd0274e6144b42448af03)
---

diff --git a/src/mon/LogMonitor.cc b/src/mon/LogMonitor.cc
index eb489e5dfc73..80e069d593af 100644
--- a/src/mon/LogMonitor.cc
+++ b/src/mon/LogMonitor.cc
@@ -415,7 +415,7 @@ void LogMonitor::log_external(const LogEntry& le)
     }
 
     if (fd >= 0) {
-      fmt::format_to(file_log_buffer, "{}\n", le);
+      fmt::format_to(std::back_inserter(file_log_buffer), "{}\n", le);
       int err = safe_write(fd, file_log_buffer.data(), file_log_buffer.size());
       file_log_buffer.clear();
       if (err < 0) {