# ifdef RE_ENABLE_I18N
/* Convert the byte B to the corresponding wide character. In a
- unibyte locale, treat B as itself if it is an encoding error.
- In a multibyte locale, return WEOF if B is an encoding error. */
+ unibyte locale, treat B as itself. In a multibyte locale, return
+ WEOF if B is an encoding error. */
static wint_t
parse_byte (unsigned char b, re_charset_t *mbcset)
{
- wint_t wc = __btowc (b);
- return wc == WEOF && !mbcset ? b : wc;
+ return mbcset == NULL ? b : __btowc (b);
}
-#endif
+# endif
/* Local function for parse_bracket_exp only used in case of NOT _LIBC.
Build the range expression which starts from START_ELEM, and ends