fix some unicode issues in line_edit

1 files changed, 2 insertions, 1 deletions

diff --git a/main.c b/main.c
index bac7fac..8156bb0 100644
--- a/main.c
+++ b/main.c
@@ -695,6 +695,7 @@ static LineEditStatus line_edit(LineEditor *le, u32 c) {
 		e.input_prompt = (Str) { 0, 0 };
 		return LEDIT_EMPTY;
 	case KEY_BKSP:
+		while (le->s.n > 0 && (le->s.v[le->s.n-1] & 0xc0) == 0x80) le->s.n--;
 		if (le->s.n > 0) le->s.n--;
 		break;
 	case 0x17 /* ^W */:
@@ -705,7 +706,7 @@ static LineEditStatus line_edit(LineEditor *le, u32 c) {
 		if (c > 0 && c <= KEY_UTF8_MAX && c >= ' ') {
 			u32 n = utf8_encode_len(&c, 1);
 			DA_AFIT(&le->s, le->a, le->s.n + n);
-			utf8_encode(&le->s.v[le->s.n], &c, n);
+			utf8_encode(&le->s.v[le->s.n], &c, 1);
 			le->s.n += n;
 		}
 		e.opti = 0;