From 68f7fb971322ffb03c8b5deba60ee25e31c77bfd Mon Sep 17 00:00:00 2001
From: Thomas Voss <thomasvoss@live.com>
Date: Fri, 23 Sep 2022 20:55:00 +0200
Subject: Fix text centering of multibyte characters

---
 center.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'center.c')

diff --git a/center.c b/center.c
index 37a643e..be6d9ee 100644
--- a/center.c
+++ b/center.c
@@ -113,8 +113,10 @@ center(FILE *fp)
 			tabs++;
 		}
 
-		len = lenfunc(line) + tabs * 8 - tabs + 1;
-		printf("%*s", ((int) width - len) / 2 + len, line);
+		len = lenfunc(line) + tabs * 8 - tabs;
+		for (int i = (width - len) / 2; i; i--)
+			putchar(' ');
+		fputs(line, stdout);
 	}
 	if (ferror(fp)) {
 		warn("getline");
@@ -145,6 +147,9 @@ utf8len(const char *s)
 	while (*s)
 		l += (*s++ & 0xC0) != 0x80;
 
+	if (l > 0 && s[-1] == '\n')
+		l--;
+
 	return l;
 }
 
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