From 39aa3cfe0e44bcd91eb0dfa6899c15f248b724f0 Mon Sep 17 00:00:00 2001
From: wrmr
Date: Sat, 30 Aug 2025 04:13:48 -0400
Subject: fix utf8_cp_idx & rename to utf8_cp_to_byte

---
 main.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'main.c')

diff --git a/main.c b/main.c
index 4eb90e8..4272144 100644
--- a/main.c
+++ b/main.c
@@ -118,15 +118,15 @@ int fast_utf8_width(Str s) {
 	return n;
 }
 
-int utf8_cp_idx(Str s, int dest) {
-	int n = 0;
-	for (int i = 0; i < s.n && n < dest; i++) {
+int utf8_cp_to_byte(Str s, int dest) {
+	int i, n;
+	for (i = 0, n = 0; i < s.n && n < dest; i++) {
 		if (s.s[i] & 0x80) {
 			i += stdc_leading_ones((unsigned char)s.s[i]) - 1;
 		}
 		n++;
 	}
-	return n;
+	return i;
 }
 
 /* options */
@@ -559,7 +559,7 @@ void gfx_draw_pic(Pic *pfp, int y, int x, int max_lines, int max_cols, PicDrawFl
 	if (f & PIC_LEFT) x -= w;
 	if (f & PIC_TOP) y -= h;
 	for (int i = 0; i < h; i++) {
-		int n = utf8_cp_idx(pfp->line[i], max_cols);
+		int n = utf8_cp_to_byte(pfp->line[i], max_cols);
 		mvaddnstr(y + i, x, pfp->line[i].s, n);
 	}
 	if (f & PIC_BORDER) gfx_draw_box(y - 1, x - 1, h + 2, w + 2);
-- 
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