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List:       lyx-cvs
Subject:    [LyX/master] Guard 'isNumberChar()' from char outside ucs4-range
From:       Kornel Benko <kornel () lyx ! org>
Date:       2022-05-29 11:30:39
Message-ID: 20220529113039.8CD3B280238 () lyx ! lyx ! org
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commit 5f5a43eb9e531d10930b7bd922259c6294cef55b
Author: Kornel Benko <kornel@lyx.org>
Date:   Sun May 29 14:08:36 2022 +0200

    Guard 'isNumberChar()' from char outside ucs4-range
---
 src/support/lstrings.cpp |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/support/lstrings.cpp b/src/support/lstrings.cpp
index 6a8e90e..77c0115 100644
--- a/src/support/lstrings.cpp
+++ b/src/support/lstrings.cpp
@@ -191,6 +191,9 @@ bool isDigitASCII(char_type c)
 
 bool isNumberChar(char_type c)
 {
+	if (c > ucs4_max)
+		// outside the UCS4 range
+		return false;
 	return ucs4_to_qchar(c).isNumber();
 }
 
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