Handle wcwidth() and mbtowc() failures in better style and drop

characters where we can't find the width (wcwidth() fails) on input, the
same as we drop invalid UTF-8. Suggested by schwarze@.
This commit is contained in:
nicm
2016-03-02 15:36:02 +00:00
parent d980d965dd
commit b8a102d26f
5 changed files with 48 additions and 21 deletions

View File

@ -149,6 +149,7 @@ key_string_lookup_string(const char *string)
struct utf8_data ud;
u_int i;
enum utf8_state more;
wchar_t wc;
/* Is this no key? */
if (strcasecmp(string, "None") == 0)
@ -185,8 +186,9 @@ key_string_lookup_string(const char *string)
more = utf8_append(&ud, (u_char)string[i]);
if (more != UTF8_DONE)
return (KEYC_UNKNOWN);
key = utf8_combine(&ud);
return (key | modifiers);
if (utf8_combine(&ud, &wc) != UTF8_DONE)
return (KEYC_UNKNOWN);
return (wc | modifiers);
}
/* Otherwise look the key up in the table. */