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-rw-r--r--lib/unistr/u8-prev.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/unistr/u8-prev.c b/lib/unistr/u8-prev.c
index d41629ef..d733f758 100644
--- a/lib/unistr/u8-prev.c
+++ b/lib/unistr/u8-prev.c
@@ -1,5 +1,5 @@
/* Iterate over previous character in UTF-8 string.
- Copyright (C) 2002, 2006-2007, 2009-2022 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2006-2007, 2009-2024 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2002.
This file is free software: you can redistribute it and/or modify
@@ -63,9 +63,9 @@ u8_prev (ucs4_t *puc, const uint8_t *s, const uint8_t *start)
{
uint8_t c_4 = s[-4];
- if (c_4 >= 0xf0 && c_4 < 0xf8
+ if (c_4 >= 0xf0 && c_4 <= 0xf4
&& (c_4 >= 0xf1 || c_3 >= 0x90)
- && (c_4 < 0xf4 || (c_4 == 0xf4 && c_3 < 0x90)))
+ && (c_4 < 0xf4 || (/* c_4 == 0xf4 && */ c_3 < 0x90)))
{
*puc = ((unsigned int) (c_4 & 0x07) << 18)
| ((unsigned int) (c_3 ^ 0x80) << 12)