From: Francesco Chemolli <kinkie@squid-cache.org>
Date: Sun, 12 Jul 2015 17:42:49 +0000 (+0200)
Subject: Save errno to prevent debugs from clobbering it
X-Git-Tag: merge-candidate-3-v1~47
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a95a43a6bb7cada85f997d5f96f611967addf607;p=thirdparty%2Fsquid.git

Save errno to prevent debugs from clobbering it
---

diff --git a/src/debug.cc b/src/debug.cc
index 5d573a8abb..85a03772d4 100644
--- a/src/debug.cc
+++ b/src/debug.cc
@@ -470,7 +470,8 @@ _db_rotate_log(void)
 #endif
         errno = 0;
         if (rename(from, to) == -1) {
-            debugs(0, DBG_IMPORTANT, "log rotation failed: " << xstrerror());
+            const auto saved_errno = errno;
+            debugs(0, DBG_IMPORTANT, "log rotation failed: " << xstrerr(saved_errno));
         }
     }