From a3ce3fbc08f5d5bad9c069b27f7bb49f455bc9d1 Mon Sep 17 00:00:00 2001
From: Curtis McEnroe <june@causal.agency>
Date: Wed, 21 Nov 2018 17:46:47 -0500
Subject: Free buffer block if empty when allocating new block

---
 bin/edi/buffer.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bin/edi/buffer.c b/bin/edi/buffer.c
index 62f55bee..86575ad3 100644
--- a/bin/edi/buffer.c
+++ b/bin/edi/buffer.c
@@ -74,6 +74,10 @@ void bufferDelete(struct Buffer *buf) {
 
 wchar_t *bufferDest(struct Buffer *buf, size_t len) {
 	if (buf->len + len > buf->cap) {
+		if (!buf->len) {
+			buf->block = buf->block->prev;
+			free(buf->block);
+		}
 		while (len > buf->cap) buf->cap *= 2;
 		buf->block = blockAlloc(buf->block, buf->cap);
 		buf->len = 0;
-- 
cgit 1.4.1