+static int utf8_char_console_width(const char *str) {
+ char32_t c;
+ int r;
+
+ r = utf8_encoded_to_unichar(str, &c);
+ if (r < 0)
+ return r;
+
+ /* TODO: we should detect combining characters */
+
+ return unichar_iswide(c) ? 2 : 1;
+}
+
+char *utf8_escape_non_printable_full(const char *str, size_t console_width) {
+ char *p, *s, *prev_s;
+ size_t n = 0; /* estimated print width */