From 286f99e34248b0bebc7663066a87c18dcc2ea97a Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Fri, 17 Feb 2023 09:16:02 +1100
Subject: Use maximum 4 digits for next fold level display when lexer
 incorrectly sets fold level to -1. Previously 8 digits were displayed due to
 sign extension. Limit formatted length although no possibility of exceeding
 100 characters.

---
 src/MarginView.cxx | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/MarginView.cxx b/src/MarginView.cxx
index d96c5ec7c..7f63f3047 100644
--- a/src/MarginView.cxx
+++ b/src/MarginView.cxx
@@ -376,15 +376,15 @@ void MarginView::PaintOneMargin(Surface *surface, PRectangle rc, PRectangle rcOn
 					char number[100] = "";
 					if (FlagSet(model.foldFlags, FoldFlag::LevelNumbers)) {
 						const FoldLevel lev = model.pdoc->GetFoldLevel(lineDoc);
-						sprintf(number, "%c%c %03X %03X",
+						snprintf(number,std::size(number), "%c%c %03X %03X",
 							LevelIsHeader(lev) ? 'H' : '_',
 							LevelIsWhitespace(lev) ? 'W' : '_',
 							LevelNumber(lev),
-							static_cast<int>(lev) >> 16
+							static_cast<unsigned int>(lev) >> 16
 						);
 					} else {
 						const int state = model.pdoc->GetLineState(lineDoc);
-						sprintf(number, "%0X", state);
+						snprintf(number, std::size(number), "%0X", state);
 					}
 					sNumber = number;
 				}
-- 
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