From adb65be595a207d6674b14885e3b82397e1ae59f Mon Sep 17 00:00:00 2001
From: Albert Cervin <albert@acervin.com>
Date: Wed, 5 Nov 2025 23:17:51 +0100
Subject: Add check for printable chars in unicode

---
 src/dged/utf8.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/dged/utf8.c')

diff --git a/src/dged/utf8.c b/src/dged/utf8.c
index 01dcdbd..b47f5fc 100644
--- a/src/dged/utf8.c
+++ b/src/dged/utf8.c
@@ -123,7 +123,16 @@ uint32_t utf8_nbytes(uint8_t *bytes, uint32_t nbytes, uint32_t nchars) {
   return bi;
 }
 
+bool unicode_is_printable(const struct codepoint *codepoint) {
+  return ((codepoint->codepoint >= 0x20 && codepoint->codepoint <= 0x7E) ||
+          codepoint->codepoint >= 0xA0);
+}
+
 uint32_t unicode_visual_char_width(const struct codepoint *codepoint) {
+  if (!unicode_is_printable(codepoint)) {
+    return 1;
+  }
+
   if (codepoint->nbytes > 0) {
     // TODO: use unicode classification instead
     int w = wcwidth(codepoint->codepoint);
-- 
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