From 0ac3466f7551edd4712c187bd7eadb173eb69726 Mon Sep 17 00:00:00 2001
From: psychon <psychon@726aef4b-f618-498e-8847-2d620e286838>
Date: Wed, 4 Feb 2009 15:47:36 +0000
Subject: [PATCH] CBuffer: If the allowed buffer size is lowered, shrink the
 buffer

git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1371 726aef4b-f618-498e-8847-2d620e286838
---
 Buffer.cpp | 9 +++++++++
 Buffer.h   | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Buffer.cpp b/Buffer.cpp
index 2d67fbf6..9ea3b43b 100644
--- a/Buffer.cpp
+++ b/Buffer.cpp
@@ -74,3 +74,12 @@ bool CBuffer::GetNextLine(const CString& sTarget, CString& sRet) {
 	erase(begin());
 	return true;
 }
+
+void CBuffer::SetLineCount(unsigned int u) {
+	m_uLineCount = u;
+
+	// We may need to shrink the buffer if the allowed size got smaller
+	while (size() > m_uLineCount) {
+		erase(begin());
+	}
+}
diff --git a/Buffer.h b/Buffer.h
index c73a9073..e790996b 100644
--- a/Buffer.h
+++ b/Buffer.h
@@ -49,7 +49,7 @@ public:
 	void Clear() { clear(); }
 
 	// Setters
-	void SetLineCount(unsigned int u) { m_uLineCount = u; }
+	void SetLineCount(unsigned int u);
 	// !Setters
 
 	// Getters