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From 70d80609558153a996833392999c69cdb74e1119 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Wed, 1 Jan 2020 20:02:51 -0500
Subject: [PATCH] fix wcwidth wrongly returning 0 for most of planes 4 and up
commit 1b0ce9af6d2aa7b92edaf3e9c631cb635bae22bd introduced this bug
back in 2012 and it was never noticed, presumably since the affected
planes are essentially unused in Unicode.
---
src/ctype/wcwidth.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/ctype/wcwidth.c b/src/ctype/wcwidth.c
index 49c40eea..36256a53 100644
--- a/src/ctype/wcwidth.c
+++ b/src/ctype/wcwidth.c
@@ -23,7 +23,7 @@ int wcwidth(wchar_t wc)
return -1;
if (wc-0x20000U < 0x20000)
return 2;
- if (wc == 0xe0001 || wc-0xe0020U < 0x5f || wc-0xe0100 < 0xef)
+ if (wc == 0xe0001 || wc-0xe0020U < 0x5f || wc-0xe0100U < 0xef)
return 0;
return 1;
}
--
2.24.1
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