/*
* Internal (non-MPSAFE) version of fgetwc(). This version takes an
* mbstate_t argument specifying the initial conversion state. For
* wide streams, this should always be fp->_mbstate. On return, *nread
* is set to the number of bytes read.
*/
wint_t
__fgetwc_mbs(FILE *fp, mbstate_t *mbs, int *nread, locale_t locale)
{
wchar_t wc;
size_t nconv;
struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
*nread = 0;
if (fp->_r <= 0 && __srefill(fp))
return (WEOF);
do {
nconv = l->__mbrtowc(&wc, fp->_p, fp->_r, mbs);
if (nconv == (size_t)-1)
break;
else if (nconv == (size_t)-2)
continue;
else if (nconv == 0) {
fp->_p++;
fp->_r--;
(*nread)++;
return (L'\0');
} else {
fp->_p += nconv;
fp->_r -= nconv;
*nread += nconv;
return (wc);
}
} while (__srefill(fp) == 0);
fp->_flags |= __SERR;
errno = EILSEQ;
return (WEOF);
}
/*
* Non-MT-safe version.
*/
wint_t
__fputwc(wchar_t wc, FILE *fp, locale_t locale)
{
char buf[MB_LEN_MAX];
size_t i, len;
struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
if (MB_CUR_MAX == 1 && wc > 0 && wc <= UCHAR_MAX) {
/*
* Assume single-byte locale with no special encoding.
* A more careful test would be to check
* _CurrentRuneLocale->encoding.
*/
*buf = (unsigned char)wc;
len = 1;
} else {
if ((len = l->__wcrtomb(buf, wc, &fp->_mbstate)) == (size_t)-1) {
fp->_flags |= __SERR;
return (WEOF);
}
}
for (i = 0; i < len; i++)
if (__sputc((unsigned char)buf[i], fp) == EOF)
return (WEOF);
return ((wint_t)wc);
}
wint_t
__ungetwc(wint_t wc, FILE *fp, locale_t locale)
{
struct wchar_io_data *wcio;
char buf[MB_LEN_MAX];
size_t len;
struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
if (wc == WEOF)
return (WEOF);
_SET_ORIENTATION(fp, 1);
wcio = WCIO_GET(fp);
if (wcio == 0) {
errno = ENOMEM; /* XXX */
return (WEOF);
}
len = l->__wcrtomb(buf, wc, &wcio->wcio_mbstate_in);
if (len == (size_t)-1)
return (WEOF);
while (len--) {
if (__ungetc(buf[len], fp) == EOF)
return (WEOF);
}
__sclearerr(fp);
return wc;
}
_RuneLocale *
__runes_for_locale(locale_t locale, int *mb_sb_limit)
{
FIX_LOCALE(locale);
struct xlocale_ctype *c = XLOCALE_CTYPE(locale);
*mb_sb_limit = c->__mb_sb_limit;
return c->runes;
}
void
__set_thread_rune_locale(locale_t loc)
{
if (loc == NULL) {
_ThreadRuneLocale = &_DefaultRuneLocale;
} else {
_ThreadRuneLocale = XLOCALE_CTYPE(loc)->runes;
}
}
int
wctob_l(wint_t c, locale_t locale)
{
static const mbstate_t initial;
mbstate_t mbs = initial;
char buf[MB_LEN_MAX];
FIX_LOCALE(locale);
if (c == WEOF || XLOCALE_CTYPE(locale)->__wcrtomb(buf, c, &mbs) != 1)
return (EOF);
return ((unsigned char)*buf);
}
int
wctomb_l(char *s, wchar_t wchar, locale_t locale)
{
static const mbstate_t initial;
size_t rval;
FIX_LOCALE(locale);
if (s == NULL) {
/* No support for state dependent encodings. */
locale->wctomb = initial;
return (0);
}
if ((rval = XLOCALE_CTYPE(locale)->__wcrtomb(s, wchar, &locale->wctomb)) == (size_t)-1)
return (-1);
return ((int)rval);
}
/*
* Non-MT-safe version.
*/
wint_t
__fputwc(wchar_t wc, FILE *fp, locale_t locale)
{
char buf[MB_LEN_MAX];
size_t i, len;
struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
if ((len = l->__wcrtomb(buf, wc, &fp->_mbstate)) == (size_t)-1) {
fp->_flags |= __SERR;
return (WEOF);
}
for (i = 0; i < len; i++)
if (__sputc((unsigned char)buf[i], fp) == EOF)
return (WEOF);
return ((wint_t)wc);
}
/*
* Non-MT-safe version.
*/
wint_t
__ungetwc(wint_t wc, FILE *fp, locale_t locale)
{
char buf[MB_LEN_MAX];
size_t len;
struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
if (wc == WEOF)
return (WEOF);
if ((len = l->__wcrtomb(buf, wc, &fp->_mbstate)) == (size_t)-1) {
fp->_flags |= __SERR;
return (WEOF);
}
while (len-- != 0)
if (__ungetc((unsigned char)buf[len], fp) == EOF)
return (WEOF);
return (wc);
}
wint_t
btowc_l(int c, locale_t l)
{
static const mbstate_t initial;
mbstate_t mbs = initial;
char cc;
wchar_t wc;
FIX_LOCALE(l);
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 (XLOCALE_CTYPE(l)->__mbrtowc(&wc, &cc, 1, &mbs) > 1)
return (WEOF);
return (wc);
}
/*
* Non-MT-safe version.
*/
wint_t
__fputwc(wchar_t wc, FILE *fp, locale_t locale)
{
struct wchar_io_data *wcio;
mbstate_t *st;
char buf[MB_LEN_MAX];
size_t i, len;
struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
ORIENT(fp, 1);
wcio = WCIO_GET(fp);
if (wcio == NULL) {
errno = ENOMEM;
return WEOF;
}
wcio->wcio_ungetwc_inbuf = 0;
st = &wcio->wcio_mbstate_out;
if (MB_CUR_MAX == 1 && wc > 0 && wc <= UCHAR_MAX) {
/*
* Assume single-byte locale with no special encoding.
* A more careful test would be to check
* _CurrentRuneLocale->encoding.
*/
*buf = (unsigned char)wc;
len = 1;
} else {
if ((len = l->__wcrtomb(buf, wc, st)) == (size_t)-1) {
fp->pub._flags |= __SERR;
return (WEOF);
}
}
for (i = 0; i < len; i++)
if (__sputc((unsigned char)buf[i], fp) == EOF)
return (WEOF);
return ((wint_t)wc);
}
/*
* Non-MT-safe version.
*/
wint_t
__fgetwc(FILE *fp, locale_t locale)
{
wchar_t wc;
size_t nconv;
struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
if (fp->_r <= 0 && __srefill(fp))
return (WEOF);
if (MB_CUR_MAX == 1) {
/* Fast path for single-byte encodings. */
wc = *fp->_p++;
fp->_r--;
return (wc);
}
do {
nconv = l->__mbrtowc(&wc, fp->_p, fp->_r, &fp->_mbstate);
if (nconv == (size_t)-1)
break;
else if (nconv == (size_t)-2)
continue;
else if (nconv == 0) {
/*
* Assume that the only valid representation of
* the null wide character is a single null byte.
*/
fp->_p++;
fp->_r--;
return (L'\0');
} else {
fp->_p += nconv;
fp->_r -= nconv;
return (wc);
}
} while (__srefill(fp) == 0);
fp->_flags |= __SERR;
errno = EILSEQ;
return (WEOF);
}
#include "un-namespace.h"
#include "libc_private.h"
#include "local.h"
#include "mblocal.h"
wchar_t *
fgetws_l(wchar_t * __restrict ws, int n, FILE * __restrict fp, locale_t locale)
{
struct wchar_io_data *wcio;
mbstate_t *st;
wchar_t *wsp;
size_t nconv;
const char *src;
unsigned char *nl;
FIX_LOCALE(locale);
struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
FLOCKFILE(fp);
ORIENT(fp, 1);
wcio = WCIO_GET(fp);
if (wcio == NULL) {
errno = ENOMEM;
goto error;
}
if (n <= 0) {
errno = EINVAL;
goto error;
}
wcio->wcio_ungetwc_inbuf = 0;
const _RuneLocale *
__getCurrentRuneLocale(void)
{
return XLOCALE_CTYPE(__get_locale())->runes;
}
int
vswscanf_l(const wchar_t * __restrict str, locale_t locale,
const wchar_t * __restrict fmt, __va_list ap)
{
mbstate_t mbs;
FILE f;
struct __sfileext fext;
char *mbstr;
size_t nwc, len, mlen;
int r;
const wchar_t *strp;
struct xlocale_ctype *l;
FIX_LOCALE(locale);
l = XLOCALE_CTYPE(locale);
/*
* XXX Convert the wide character string to multibyte, which
* __vfwscanf() will convert back to wide characters.
*/
nwc = wcslen(str);
len = nwc * MB_CUR_MAX;
if ((mbstr = malloc(len + 1)) == NULL)
return (EOF);
bzero(&mbs, sizeof(mbs));
strp = str;
if ((mlen = l->__wcsnrtombs(mbstr, &strp, nwc, len, &mbs)) == (size_t)-1) {
free(mbstr);
return (EOF);
}
int
mbsinit_l(const mbstate_t *ps, locale_t locale)
{
FIX_LOCALE(locale);
return (XLOCALE_CTYPE(locale)->__mbsinit(ps));
}
char *
nl_langinfo_l(nl_item item, locale_t loc)
{
char *ret, *cs;
const char *s;
FIX_LOCALE(loc);
switch (item) {
case CODESET:
s = XLOCALE_CTYPE(loc)->runes->__encoding;
if (strcmp(s, "EUC-CN") == 0)
ret = "eucCN";
else if (strcmp(s, "EUC-JP") == 0)
ret = "eucJP";
else if (strcmp(s, "EUC-KR") == 0)
ret = "eucKR";
else if (strcmp(s, "EUC-TW") == 0)
ret = "eucTW";
else if (strcmp(s, "BIG5") == 0)
ret = "Big5";
else if (strcmp(s, "MSKanji") == 0)
ret = "SJIS";
else if (strcmp(s, "NONE") == 0)
ret = "POSIX";
else if (strncmp(s, "NONE:", 5) == 0)
ret = (char *)(s + 5);
else
ret = (char *)s;
break;
case D_T_FMT:
ret = (char *) __get_current_time_locale(loc)->c_fmt;
break;
case D_FMT:
ret = (char *) __get_current_time_locale(loc)->x_fmt;
break;
case T_FMT:
ret = (char *) __get_current_time_locale(loc)->X_fmt;
break;
case T_FMT_AMPM:
ret = (char *) __get_current_time_locale(loc)->ampm_fmt;
break;
case AM_STR:
ret = (char *) __get_current_time_locale(loc)->am;
break;
case PM_STR:
ret = (char *) __get_current_time_locale(loc)->pm;
break;
case DAY_1: case DAY_2: case DAY_3:
case DAY_4: case DAY_5: case DAY_6: case DAY_7:
ret = (char*) __get_current_time_locale(loc)->weekday[_REL(DAY_1)];
break;
case ABDAY_1: case ABDAY_2: case ABDAY_3:
case ABDAY_4: case ABDAY_5: case ABDAY_6: case ABDAY_7:
ret = (char*) __get_current_time_locale(loc)->wday[_REL(ABDAY_1)];
break;
case MON_1: case MON_2: case MON_3: case MON_4:
case MON_5: case MON_6: case MON_7: case MON_8:
case MON_9: case MON_10: case MON_11: case MON_12:
ret = (char*) __get_current_time_locale(loc)->month[_REL(MON_1)];
break;
case ABMON_1: case ABMON_2: case ABMON_3: case ABMON_4:
case ABMON_5: case ABMON_6: case ABMON_7: case ABMON_8:
case ABMON_9: case ABMON_10: case ABMON_11: case ABMON_12:
ret = (char*) __get_current_time_locale(loc)->mon[_REL(ABMON_1)];
break;
case ALTMON_1: case ALTMON_2: case ALTMON_3: case ALTMON_4:
case ALTMON_5: case ALTMON_6: case ALTMON_7: case ALTMON_8:
case ALTMON_9: case ALTMON_10: case ALTMON_11: case ALTMON_12:
ret = (char*)
__get_current_time_locale(loc)->alt_month[_REL(ALTMON_1)];
break;
case ERA:
/* XXX: need to be implemented */
ret = "";
break;
case ERA_D_FMT:
/* XXX: need to be implemented */
ret = "";
break;
case ERA_D_T_FMT:
/* XXX: need to be implemented */
ret = "";
break;
case ERA_T_FMT:
/* XXX: need to be implemented */
ret = "";
break;
case ALT_DIGITS:
/* XXX: need to be implemented */
ret = "";
break;
case RADIXCHAR:
ret = (char*) __get_current_numeric_locale(loc)->decimal_point;
break;
case THOUSEP:
ret = (char*) __get_current_numeric_locale(loc)->thousands_sep;
break;
case YESEXPR:
ret = (char*) __get_current_messages_locale(loc)->yesexpr;
break;
case NOEXPR:
ret = (char*) __get_current_messages_locale(loc)->noexpr;
break;
/*
* YESSTR and NOSTR items marked with LEGACY are available, but not
* recomended by SUSv2 to be used in portable applications since
* they're subject to remove in future specification editions.
*/
case YESSTR: /* LEGACY */
ret = (char*) __get_current_messages_locale(loc)->yesstr;
break;
case NOSTR: /* LEGACY */
ret = (char*) __get_current_messages_locale(loc)->nostr;
break;
/*
* SUSv2 special formatted currency string
*/
case CRNCYSTR:
ret = "";
cs = (char*) __get_current_monetary_locale(loc)->currency_symbol;
if (*cs != '\0') {
char pos = localeconv_l(loc)->p_cs_precedes;
if (pos == localeconv_l(loc)->n_cs_precedes) {
char psn = '\0';
if (pos == CHAR_MAX) {
if (strcmp(cs, __get_current_monetary_locale(loc)->mon_decimal_point) == 0)
psn = '.';
} else
psn = pos ? '-' : '+';
if (psn != '\0') {
int clen = strlen(cs);
if ((loc->csym = reallocf(loc->csym, clen + 2)) != NULL) {
*loc->csym = psn;
strcpy(loc->csym + 1, cs);
ret = loc->csym;
}
}
}
}
break;
case D_MD_ORDER: /* FreeBSD local extension */
ret = (char *) __get_current_time_locale(loc)->md_order;
break;
default:
ret = "";
}
return (ret);
}
