From a8436cea2a59cce5dc3b090967e5913c08196586 Mon Sep 17 00:00:00 2001
From: nyamatongwe <devnull@localhost>
Date: Wed, 25 Apr 2001 01:20:44 +0000
Subject: Changed buffer growth strategy to be proportional to current size by
 doubling gowth size whenever the buffer size is more than 4 times the buffer
 size. Reduced load of 10 Meg file from 12 to 4 seconds and 30 Meg file from
 1000 to 21 seconds. Reformatting.

---
 src/CellBuffer.cxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/CellBuffer.cxx')

diff --git a/src/CellBuffer.cxx b/src/CellBuffer.cxx
index 3e9f0e7b7..56dd27ea0 100644
--- a/src/CellBuffer.cxx
+++ b/src/CellBuffer.cxx
@@ -597,6 +597,7 @@ CellBuffer::CellBuffer(int initialLength) {
 	part2body = body + gaplen;
 	readOnly = false;
 	collectingUndo = true;
+	growSize = 4000;
 }
 
 CellBuffer::~CellBuffer() {
@@ -627,7 +628,9 @@ void CellBuffer::RoomFor(int insertionLength) {
 	if (gaplen <= insertionLength) {
 		//Platform::DebugPrintf("need room %d %d\n", gaplen, insertionLength);
 		GapTo(length);
-		int newSize = size + insertionLength + 4000;
+		if (growSize * 4 < size)
+			growSize *= 2;
+		int newSize = size + insertionLength + growSize;
 		//Platform::DebugPrintf("moved gap %d\n", newSize);
 		char *newBody = new char[newSize];
 		memcpy(newBody, body, size);
-- 
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