From 04a4b8ed876addffab17fefa7c853c728053e833 Mon Sep 17 00:00:00 2001
From: Lisa Milne <lisamilne618@gmail.com>
Date: Sat, 11 Nov 2023 21:43:48 +1000
Subject: [PATCH] getBuffer for future io redirects

---
 clite/core.js | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/clite/core.js b/clite/core.js
index cddb8b4..10a581a 100644
--- a/clite/core.js
+++ b/clite/core.js
@@ -1464,6 +1464,28 @@ clite.lib = {
 			return 0;
 		}
 		return 0;
+	},
+	getBuffer:function() {
+		return Object.create({
+			buffer:{
+				data:'',
+				pos:0
+			},
+			read:function() {
+				if (this.buffer.pos >= this.buffer.data.length)
+					return null;
+				var b = this.data.buffer.substring(this.buffer.pos,this.buffer.data.length-this.buffer.pos);
+				var i = b.indexOf('\n');
+				if (b < 0)
+					return b;
+				return b.substring(0,i);
+			},
+			write:function(txt) {
+				this.buffer.data += txt;
+			}
+		});
+	},
+	exec:function(args,io) {
 	}
 }
 clite.lib.api = { // this is passed to programs via include('stdlib')
@@ -1471,5 +1493,6 @@ clite.lib.api = { // this is passed to programs via include('stdlib')
 	dirname:clite.lib.dirname,
 	resolvePath:clite.lib.resolvePath,
 	getFileType:clite.lib.getFileType,
-	strToArgs:clite.lib.strToArgs
+	strToArgs:clite.lib.strToArgs,
+	exec:clite.lib.exec
 };