utf-8 bullshit i guess

1 files changed, 12 insertions, 1 deletions

diff --git a/main.c b/main.c
index 44a8756..016035b 100644
--- a/main.c
+++ b/main.c
@@ -40,7 +40,7 @@ txt_insert(DynStr *s, int i, Str ins)
 }
 
 int
-txt_delete(DynStr *s, int i, int n)
+txt_delete_byte(DynStr *s, int i, int n)
 {
 	if (n > i) n = i;
 	if (n > 0) {
@@ -51,6 +51,17 @@ txt_delete(DynStr *s, int i, int n)
 }
 
 int
+txt_delete(DynStr *s, int i, int n)
+{
+	while (n--) {
+		i = txt_delete_byte(s, i, 1);
+		while (i > 0 && (~s->v[i-1] & 0x80))
+			i = txt_delete_byte(s, i, 1);
+	}
+	return i;
+}
+
+int
 read_all(FILE *f, DynStr *out, Arena *a)
 {
 	char buf[256];