From 19119c5118b845f3bfd0b0c63441336019ecc351 Mon Sep 17 00:00:00 2001
From: Zufu Liu <unknown>
Date: Sat, 4 May 2019 07:33:36 +1000
Subject: Backport: Bug [#2102]. Allow length argument to be past end of
 document for SCI_GETTEXT. More compatible with state before change set 7489.

Backport of changeset 7490:2550e2a306c0.
---
 src/Editor.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/Editor.cxx')

diff --git a/src/Editor.cxx b/src/Editor.cxx
index cd214de56..3d76952c1 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -5792,7 +5792,7 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 			if (wParam == 0)
 				return 0;
 			char *ptr = CharPtrFromSPtr(lParam);
-			const Sci_Position len = wParam - 1;
+			const Sci_Position len = std::min<Sci_Position>(wParam - 1, pdoc->Length());
 			pdoc->GetCharRange(ptr, 0, len);
 			ptr[len] = '\0';
 			return len;
-- 
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