int
mblen_l(const char *s, size_t n, locale_t loc)
{
mbstate_t mbs = { 0 };
size_t rval;
if (s == NULL) {
/* No support for state dependent encodings. */
return (0);
}
rval = mbrtowc_l(NULL, s, n, &mbs, loc);
if (rval == (size_t)-1 || rval == (size_t)-2)
return (-1);
return ((int)rval);
}
wint_t
btowc_l(int c, locale_t loc)
{
static const mbstate_t initial = { 0 };
mbstate_t mbs = initial;
char cc;
wchar_t wc;
if (c == EOF)
return (WEOF);
/*
* We expect mbrtowc() to return 0 or 1, hence the check for n > 1
* which detects error return values as well as "impossible" byte
* counts.
*/
cc = (char)c;
if (mbrtowc_l(&wc, &cc, 1, &mbs, loc) > 1)
return (WEOF);
return (wc);
}
static int
__glob(const char *pattern, glob_t *pglob)
{
const char *patnext;
struct glob_limit limit = { 0, 0, 0, 0 };
Char *bufnext, *bufend, patbuf[MAXPATHLEN], prot;
mbstate_t mbs;
wchar_t wc;
size_t clen;
locale_t loc = __current_locale();
int mb_cur_max = MB_CUR_MAX_L(loc);
patnext = pattern;
if (!(pglob->gl_flags & GLOB_APPEND)) {
pglob->gl_pathc = 0;
pglob->gl_pathv = NULL;
if (!(pglob->gl_flags & GLOB_DOOFFS))
pglob->gl_offs = 0;
}
pglob->gl_matchc = 0;
bufnext = patbuf;
bufend = bufnext + MAXPATHLEN - 1;
if (pglob->gl_flags & GLOB_NOESCAPE) {
memset(&mbs, 0, sizeof(mbs));
while (bufend - bufnext >= mb_cur_max) {
clen = mbrtowc_l(&wc, patnext, MB_LEN_MAX, &mbs, loc);
if (clen == (size_t)-1 || clen == (size_t)-2)
return (GLOB_NOMATCH);
else if (clen == 0)
break;
*bufnext++ = wc;
patnext += clen;
}
} else {
/* Protect the quoted characters. */
memset(&mbs, 0, sizeof(mbs));
while (bufend - bufnext >= mb_cur_max) {
if (*patnext == QUOTE) {
if (*++patnext == EOS) {
*bufnext++ = QUOTE | M_PROTECT;
continue;
}
prot = M_PROTECT;
} else
prot = 0;
clen = mbrtowc_l(&wc, patnext, MB_LEN_MAX, &mbs, loc);
if (clen == (size_t)-1 || clen == (size_t)-2)
return (GLOB_NOMATCH);
else if (clen == 0)
break;
*bufnext++ = wc | prot;
patnext += clen;
}
}
*bufnext = EOS;
if (pglob->gl_flags & GLOB_BRACE)
return globexp1(patbuf, pglob, &limit, loc);
else
return glob0(patbuf, pglob, &limit, loc);
}
