From 72ef210e1b15f0fa3a749c52176d86ba583d7b79 Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Tue, 23 Apr 2013 18:46:18 +0200
Subject: Buffer: add is_valid(BufferCoord) method

---
 src/buffer.cc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/buffer.cc')

diff --git a/src/buffer.cc b/src/buffer.cc
index 932b5532..93360b74 100644
--- a/src/buffer.cc
+++ b/src/buffer.cc
@@ -446,4 +446,11 @@ void Buffer::notify_saved()
     }
 }
 
+bool Buffer::is_valid(const BufferCoord& c) const
+{
+   return (c.line < line_count() and c.column < m_lines[c.line].length()) or
+          (c.line == line_count() - 1 and c.column == m_lines.back().length()) or
+          (c.line == line_count() and c.column == 0);
+}
+
 }
-- 
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