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*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*/
/* ATTENTION! ATTENTION! ATTENTION! ATTENTION! ATTENTION!
*
* Besides uClibc, I'm using this code in my libc for elks, which is
* a 16-bit environment with a fairly limited compiler. It would make
* things much easier for me if this file isn't modified unnecessarily.
* In particular, please put any new or replacement functions somewhere
* else, and modify the makefile to use your version instead.
* Thanks. Manuel
*
* ATTENTION! ATTENTION! ATTENTION! ATTENTION! ATTENTION! */
#define __NO_CTYPE
#include <wctype.h>
#include <assert.h>
#include <string.h>
#include <errno.h>
#include <locale.h>
#include <ctype.h>
#include <stdint.h>
#include <bits/uClibc_uwchar.h>
#if defined(__LOCALE_C_ONLY) && defined(__UCLIBC_DO_XLOCALE)
# error xlocale functionality is not supported in stub locale mode.
#endif
/* We know wide char support is enabled. We wouldn't be here otherwise. */
/* Define this if you want to unify the towupper and towlower code in the
* towctrans function. */
/* #define SMALL_UPLOW */
/* Pull in __CTYPE_xxx constants */
#include <bits/uClibc_charclass.h>
/* The following is used to implement wctype(), but it is defined
* here because the ordering must agree with that of the enumeration
* below (ignoring unclassified). */
#define __CTYPE_TYPESTRING \
"\6alnum\0\6alpha\0\6blank\0\6cntrl\0\6digit\0\6graph\0\6lower\0" \
"\6print\0\6punct\0\6space\0\6upper\0\7xdigit\0\0"
/* The values for wctype_t. */
enum {
_CTYPE_unclassified = 0,
_CTYPE_isalnum,
_CTYPE_isalpha,
_CTYPE_isblank,
_CTYPE_iscntrl,
_CTYPE_isdigit,
_CTYPE_isgraph,
_CTYPE_islower,
_CTYPE_isprint,
_CTYPE_ispunct,
_CTYPE_isspace,
_CTYPE_isupper,
_CTYPE_isxdigit /* _MUST_ be last of the standard classes! */
};
/* The following is used to implement wctrans(). */
#define __CTYPE_TRANSTRING "\10tolower\0\10toupper\0\10totitle\0\0"
enum {
_CTYPE_tolower = 1,
_CTYPE_toupper,
_CTYPE_totitle
};
/*--------------------------------------------------------------------*/
#define _CTYPE_iswxdigit (_CTYPE_isxdigit)
/*--------------------------------------------------------------------*/
#define ENCODING (__UCLIBC_CURLOCALE->encoding)
#define WCctype (__UCLIBC_CURLOCALE->tblwctype)
#define WCuplow (__UCLIBC_CURLOCALE->tblwuplow)
#define WCcmob (__UCLIBC_CURLOCALE->tblwcomb)
#define WCuplow_diff (__UCLIBC_CURLOCALE->tblwuplow_diff)
#define WC_TABLE_DOMAIN_MAX __LOCALE_DATA_WC_TABLE_DOMAIN_MAX
#define WCctype_II_LEN __LOCALE_DATA_WCctype_II_LEN
#define WCctype_TI_LEN __LOCALE_DATA_WCctype_TI_LEN
#define WCctype_UT_LEN __LOCALE_DATA_WCctype_UT_LEN
#define WCctype_II_SHIFT __LOCALE_DATA_WCctype_II_SHIFT
#define WCctype_TI_SHIFT __LOCALE_DATA_WCctype_TI_SHIFT
#define WCuplow_II_LEN __LOCALE_DATA_WCuplow_II_LEN
#define WCuplow_TI_LEN __LOCALE_DATA_WCuplow_TI_LEN
#define WCuplow_UT_LEN __LOCALE_DATA_WCuplow_UT_LEN
#define WCuplow_II_SHIFT __LOCALE_DATA_WCuplow_II_SHIFT
#define WCuplow_TI_SHIFT __LOCALE_DATA_WCuplow_TI_SHIFT
#define WCctype_TI_MASK ((1 << (WCctype_TI_SHIFT)) - 1)
#define WCctype_II_MASK ((1 << (WCctype_II_SHIFT)) - 1)
/**********************************************************************/
#undef __PASTE2
#undef __PASTE3
#define __PASTE2(X,Y) X ## Y
#define __PASTE3(X,Y,Z) X ## Y ## Z
#ifdef __UCLIBC_DO_XLOCALE
#define ISW_FUNC_BODY(NAME) \
int __PASTE3(isw,NAME,_l) (wint_t wc, __locale_t l) \
{ \
return iswctype_l(wc, __PASTE2(_CTYPE_is,NAME), l); \
}
#else /* __UCLIBC_DO_XLOCALE */
#define ISW_FUNC_BODY(NAME) \
int __PASTE2(isw,NAME) (wint_t wc) \
{ \
return iswctype(wc, __PASTE2(_CTYPE_is,NAME)); \
}
#endif /* __UCLIBC_DO_XLOCALE */
/**********************************************************************/
#if defined(L_iswalnum) || defined(L_iswalnum_l)
ISW_FUNC_BODY(alnum);
# ifdef L_iswalnum
libc_hidden_def(iswalnum)
# endif
#endif
/**********************************************************************/
#if defined(L_iswalpha) || defined(L_iswalpha_l)
ISW_FUNC_BODY(alpha);
#endif
/**********************************************************************/
#if defined(L_iswblank) || defined(L_iswblank_l)
ISW_FUNC_BODY(blank);
#endif
/**********************************************************************/
#if defined(L_iswcntrl) || defined(L_iswcntrl_l)
ISW_FUNC_BODY(cntrl);
#endif
/**********************************************************************/
#if defined(L_iswdigit) || defined(L_iswdigit_l)
ISW_FUNC_BODY(digit);
#endif
/**********************************************************************/
#if defined(L_iswgraph) || defined(L_iswgraph_l)
ISW_FUNC_BODY(graph);
#endif
/**********************************************************************/
#if defined(L_iswlower) || defined(L_iswlower_l)
ISW_FUNC_BODY(lower);
# ifdef L_iswlower
libc_hidden_def(iswlower)
# endif
#endif
/**********************************************************************/
#if defined(L_iswprint) || defined(L_iswprint_l)
ISW_FUNC_BODY(print);
#endif
/**********************************************************************/
#if defined(L_iswpunct) || defined(L_iswpunct_l)
ISW_FUNC_BODY(punct);
#endif
/**********************************************************************/
#if defined(L_iswspace) || defined(L_iswspace_l)
ISW_FUNC_BODY(space);
# ifdef L_iswspace
libc_hidden_def(iswspace)
# else
libc_hidden_def(iswspace_l)
# endif
#endif
/**********************************************************************/
#if defined(L_iswupper) || defined(L_iswupper_l)
ISW_FUNC_BODY(upper);
# ifdef L_iswupper
libc_hidden_def(iswupper)
# endif
#endif
/**********************************************************************/
#if defined(L_iswxdigit) || defined(L_iswxdigit_l)
ISW_FUNC_BODY(xdigit);
#endif
/**********************************************************************/
#if defined(L_towlower) || defined(L_towlower_l)
# ifdef L_towlower
# define TOWLOWER(w) towlower(w)
# else
# define TOWLOWER(w) towlower_l(w, __locale_t locale)
# undef __UCLIBC_CURLOCALE
# define __UCLIBC_CURLOCALE (locale)
# endif
# ifdef __UCLIBC_HAS_XLOCALE__
# define TOWCTRANS(w,d) towctrans_l(w,d, __UCLIBC_CURLOCALE)
# else
# define TOWCTRANS(w,d) towctrans(w,d)
# endif
# define __C_towlower(wc) \
(((__uwchar_t)(wc) <= 0x7f) ? (__C_ctype_tolower)[(wc)] : (wc))
# ifdef __LOCALE_C_ONLY
wint_t towlower(wint_t wc)
{
# ifdef __UCLIBC_HAS_CTYPE_TABLES__
return __C_towlower(wc);
# else
return (wc == (unsigned)wc)
? __C_tolower((unsigned)wc)
: 0;
# endif
}
# else /* __LOCALE_C_ONLY */
# ifdef SMALL_UPLOW
# if defined(L_towlower) && defined(__UCLIBC_HAS_XLOCALE__)
wint_t towlower(wint_t wc)
{
return towctrans_l(wc, _CTYPE_tolower, __UCLIBC_CURLOCALE);
}
# else /* defined(L_towlower) && defined(__UCLIBC_HAS_XLOCALE__) */
wint_t TOWLOWER(wint_t wc)
{
return TOWCTRANS(wc, _CTYPE_tolower);
}
# endif /* defined(L_towlower) && defined(__UCLIBC_HAS_XLOCALE__) */
# else /* SMALL_UPLOW */
# if defined(L_towlower) && defined(__UCLIBC_HAS_XLOCALE__)
wint_t towlower(wint_t wc)
{
return towlower_l(wc, __UCLIBC_CURLOCALE);
}
# else /* defined(L_towlower) && defined(__UCLIBC_HAS_XLOCALE__) */
wint_t TOWLOWER(wint_t wc)
{
unsigned sc, n, i;
__uwchar_t u = wc;
if (ENCODING == __ctype_encoding_7_bit) {
/* We're in the C/POSIX locale, so ignore the tables. */
return __C_towlower(wc);
}
if (u <= WC_TABLE_DOMAIN_MAX) {
sc = u & ((1 << WCuplow_TI_SHIFT) - 1);
u >>= WCuplow_TI_SHIFT;
n = u & ((1 << WCuplow_II_SHIFT) - 1);
u >>= WCuplow_II_SHIFT;
i = ((unsigned) WCuplow[u]) << WCuplow_II_SHIFT;
i = ((unsigned) WCuplow[WCuplow_II_LEN + i + n]) << WCuplow_TI_SHIFT;
i = ((unsigned) WCuplow[WCuplow_II_LEN + WCuplow_TI_LEN + i + sc]) << 1;
wc += WCuplow_diff[i + 1];
}
return wc;
}
# endif /* defined(L_towlower) && defined(__UCLIBC_HAS_XLOCALE__) */
# endif /* SMALL_UPLOW */
# ifdef L_towlower_l
libc_hidden_def(towlower_l)
# endif
# endif /* __LOCALE_C_ONLY */
# ifndef L_towlower_l
libc_hidden_def(towlower)
# endif
#endif
/**********************************************************************/
#if defined(L_towupper) || defined(L_towupper_l)
# ifdef L_towupper
# define TOWUPPER(w) towupper(w)
# else
# define TOWUPPER(w) towupper_l(w, __locale_t locale)
# undef __UCLIBC_CURLOCALE
# define __UCLIBC_CURLOCALE (locale)
# endif
# ifdef __UCLIBC_HAS_XLOCALE__
# define TOWCTRANS(w,d) towctrans_l(w,d, __UCLIBC_CURLOCALE)
# else
# define TOWCTRANS(w,d) towctrans(w,d)
# endif
# define __C_towupper(wc) \
(((__uwchar_t)(wc) <= 0x7f) ? (__C_ctype_toupper)[(wc)] : (wc))
# ifdef __LOCALE_C_ONLY
wint_t towupper(wint_t wc)
{
# ifdef __UCLIBC_HAS_CTYPE_TABLES__
return __C_towupper(wc);
# else
return (wc == (unsigned)wc)
? __C_toupper((unsigned)wc)
: 0;
# endif
}
# else /* __LOCALE_C_ONLY */
# ifdef SMALL_UPLOW
# if defined(L_towupper) && defined(__UCLIBC_HAS_XLOCALE__)
wint_t towupper(wint_t wc)
{
return towctrans_l(wc, _CTYPE_toupper, __UCLIBC_CURLOCALE);
}
# else
wint_t TOWUPPER(wint_t wc)
{
return TOWCTRANS(wc, _CTYPE_toupper);
}
# endif
# else /* SMALL_UPLOW */
# if defined(L_towupper) && defined(__UCLIBC_HAS_XLOCALE__)
wint_t towupper(wint_t wc)
{
return towupper_l(wc, __UCLIBC_CURLOCALE);
}
# else /* defined(L_towupper) && defined(__UCLIBC_HAS_XLOCALE__) */
wint_t TOWUPPER(wint_t wc)
{
unsigned sc, n, i;
__uwchar_t u = wc;
if (ENCODING == __ctype_encoding_7_bit) {
/* We're in the C/POSIX locale, so ignore the tables. */
return __C_towupper(wc);
}
if (u <= WC_TABLE_DOMAIN_MAX) {
sc = u & ((1 << WCuplow_TI_SHIFT) - 1);
u >>= WCuplow_TI_SHIFT;
n = u & ((1 << WCuplow_II_SHIFT) - 1);
u >>= WCuplow_II_SHIFT;
i = ((unsigned) WCuplow[u]) << WCuplow_II_SHIFT;
i = ((unsigned) WCuplow[WCuplow_II_LEN + i + n]) << WCuplow_TI_SHIFT;
i = ((unsigned) WCuplow[WCuplow_II_LEN + WCuplow_TI_LEN + i + sc]) << 1;
wc += WCuplow_diff[i];
}
return wc;
}
# endif /* defined(L_towupper) && defined(__UCLIBC_HAS_XLOCALE__) */
# endif /* SMALL_UPLOW */
# ifdef L_towupper_l
libc_hidden_def(towupper_l)
# endif
# endif /* __LOCALE_C_ONLY */
# ifndef L_towupper_l
libc_hidden_def(towupper)
# endif
#endif
/**********************************************************************/
#ifdef L_wctype
static const unsigned char typestring[] = __CTYPE_TYPESTRING;
wctype_t wctype(const char *property)
{
const unsigned char *p;
int i;
p = typestring;
i = 1;
do {
if (!strcmp(property, (const char *) ++p)) {
return i;
}
++i;
p += p[-1];
} while (*p);
/* TODO - Add locale-specific classifications. */
return 0;
}
libc_hidden_def(wctype)
#endif
/**********************************************************************/
#ifdef L_wctype_l
wctype_t wctype_l (const char *property, __locale_t locale)
{
return wctype(property);
}
#endif
/**********************************************************************/
#if defined(L_iswctype) || defined(L_iswctype_l)
#define __C_iswdigit(c) \
((sizeof(c) == sizeof(char)) \
? ((unsigned char)((c) - '0') < 10) \
: ((__uwchar_t)((c) - '0') < 10) \
)
#define __C_iswxdigit(c) \
(__C_iswdigit(c) \
|| ((sizeof(c) == sizeof(char)) \
? ((unsigned char)(((c) | 0x20) - 'a') < 6) \
: ((__uwchar_t)(((c) | 0x20) - 'a') < 6) \
) \
)
#ifdef __UCLIBC_HAS_CTYPE_TABLES__
# if !defined(__UCLIBC_HAS_XLOCALE__) || defined(L_iswctype_l)
static const unsigned short int desc2flag[] = {
[_CTYPE_unclassified] = 0,
[_CTYPE_isalnum] = (unsigned short int) _ISwalnum,
[_CTYPE_isalpha] = (unsigned short int) _ISwalpha,
[_CTYPE_isblank] = (unsigned short int) _ISwblank,
[_CTYPE_iscntrl] = (unsigned short int) _ISwcntrl,
[_CTYPE_isdigit] = (unsigned short int) _ISwdigit,
[_CTYPE_isgraph] = (unsigned short int) _ISwgraph,
[_CTYPE_islower] = (unsigned short int) _ISwlower,
[_CTYPE_isprint] = (unsigned short int) _ISwprint,
[_CTYPE_ispunct] = (unsigned short int) _ISwpunct,
[_CTYPE_isspace] = (unsigned short int) _ISwspace,
[_CTYPE_isupper] = (unsigned short int) _ISwupper,
[_CTYPE_isxdigit] = (unsigned short int) _ISwxdigit,
};
# endif
#endif
#ifdef __LOCALE_C_ONLY
#ifdef __UCLIBC_HAS_CTYPE_TABLES__
int iswctype(wint_t wc, wctype_t desc)
{
/* Note... wctype_t is unsigned. */
if ((__uwchar_t) wc <= 0x7f
&& desc < (sizeof(desc2flag) / sizeof(desc2flag[0]))
) {
return __isctype(wc, desc2flag[desc]);
}
return 0;
}
#else /* __UCLIBC_HAS_CTYPE_TABLES__ */
int iswctype(wint_t wc, wctype_t desc)
{
/* This is lame, but it is here just to get it working for now. */
if (wc == (unsigned)wc) {
switch (desc) {
case _CTYPE_isupper:
return __C_isupper((unsigned)wc);
case _CTYPE_islower:
return __C_islower((unsigned)wc);
case _CTYPE_isalpha:
return __C_isalpha((unsigned)wc);
case _CTYPE_isdigit:
return __C_isdigit((unsigned)wc);
case _CTYPE_isxdigit:
return __C_isxdigit((unsigned)wc);
case _CTYPE_isspace:
return __C_isspace((unsigned)wc);
case _CTYPE_isprint:
return __C_isprint((unsigned)wc);
case _CTYPE_isgraph:
return __C_isgraph((unsigned)wc);
case _CTYPE_isblank:
return __C_isblank((unsigned)wc);
case _CTYPE_iscntrl:
return __C_iscntrl((unsigned)wc);
case _CTYPE_ispunct:
return __C_ispunct((unsigned)wc);
case _CTYPE_isalnum:
return __C_isalnum((unsigned)wc);
default:
break;
}
}
return 0;
}
#endif /* __UCLIBC_HAS_CTYPE_TABLES__ */
#else /* __LOCALE_C_ONLY */
#ifdef L_iswctype
# define ISWCTYPE(w,d) iswctype(w,d)
#else
# define ISWCTYPE(w,d) iswctype_l(w,d, __locale_t locale)
# undef __UCLIBC_CURLOCALE
# define __UCLIBC_CURLOCALE (locale)
#endif
#if defined(L_iswctype) && defined(__UCLIBC_HAS_XLOCALE__)
int iswctype(wint_t wc, wctype_t desc)
{
return iswctype_l(wc, desc, __UCLIBC_CURLOCALE);
}
#else /* defined(L_iswctype) && defined(__UCLIBC_HAS_XLOCALE__) */
int ISWCTYPE(wint_t wc, wctype_t desc)
{
unsigned sc, n, i0, i1;
unsigned char d = __CTYPE_unclassified;
if ((ENCODING != __ctype_encoding_7_bit) || ((__uwchar_t)wc <= 0x7f)) {
if (desc < _CTYPE_iswxdigit) {
if ((__uwchar_t)wc <= WC_TABLE_DOMAIN_MAX) {
/* From here on, we know wc > 0. */
sc = wc & WCctype_TI_MASK;
wc >>= WCctype_TI_SHIFT;
n = wc & WCctype_II_MASK;
wc >>= WCctype_II_SHIFT;
i0 = WCctype[wc];
i0 <<= WCctype_II_SHIFT;
i1 = WCctype[WCctype_II_LEN + i0 + n];
i1 <<= (WCctype_TI_SHIFT-1);
d = WCctype[WCctype_II_LEN + WCctype_TI_LEN + i1 + (sc >> 1)];
d = (sc & 1) ? (d >> 4) : (d & 0xf);
} else if ((__uwchar_t)(wc - 0xe0020UL) <= 0x5f
|| wc == 0xe0001UL
|| (((__uwchar_t)(wc - 0xf0000UL) < 0x20000UL) && ((wc & 0xffffU) <= 0xfffdU))
) {
d = __CTYPE_punct;
}
#if 0
return ((unsigned char)(d - ctype_range[2*desc]) <= ctype_range[2*desc + 1])
&& ((desc != _CTYPE_iswblank) || (d & 1));
#else
return __UCLIBC_CURLOCALE->code2flag[d] & desc2flag[desc];
#endif
}
/* TODO - Add locale-specific classifications. */
return (desc == _CTYPE_iswxdigit) ? __C_iswxdigit(wc) : 0;
}
return 0;
}
#endif /* defined(L_iswctype) && defined(__UCLIBC_HAS_XLOCALE__) */
#ifdef L_iswctype_l
libc_hidden_def(iswctype_l)
#endif
#endif /* __LOCALE_C_ONLY */
#ifdef L_iswctype
libc_hidden_def(iswctype)
#endif
#endif
/**********************************************************************/
#if defined(L_towctrans) || defined(L_towctrans_l)
#ifdef __LOCALE_C_ONLY
/* Minimal support for C/POSIX locale. */
wint_t towctrans(wint_t wc, wctrans_t desc)
{
if ((unsigned)(desc - _CTYPE_tolower) <= (_CTYPE_toupper - _CTYPE_tolower)) {
/* Transliteration is either tolower or toupper. */
#if 0
/* I think it's wrong: _toupper(c) assumes that c is a *lowercase* *letter* -
* it is defined as ((c) ^ 0x20)! */
if ((__uwchar_t) wc <= 0x7f) {
return (desc == _CTYPE_tolower) ? _tolower(wc) : _toupper(wc);
}
#endif
__uwchar_t c = wc | 0x20; /* lowercase if it's a letter */
if (c >= 'a' && c <= 'z') {
if (desc == _CTYPE_toupper)
c &= ~0x20; /* uppercase */
return c;
}
} else {
__set_errno(EINVAL); /* Invalid transliteration. */
}
return wc;
}
#else /* __LOCALE_C_ONLY */
#ifdef L_towctrans
# define TOWCTRANS(w,d) towctrans(w,d)
#else
# define TOWCTRANS(w,d) towctrans_l(w,d, __locale_t locale)
# undef __UCLIBC_CURLOCALE
# define __UCLIBC_CURLOCALE (locale)
#endif
#ifdef __UCLIBC_HAS_XLOCALE__
# define TOWLOWER(w,l) towlower_l(w,l)
# define TOWUPPER(w,l) towupper_l(w,l)
#else
# define TOWLOWER(w,l) towlower(w)
# define TOWUPPER(w,l) towupper(w)
#endif
#if defined(L_towctrans) && defined(__UCLIBC_HAS_XLOCALE__)
wint_t towctrans(wint_t wc, wctrans_t desc)
{
return towctrans_l(wc, desc, __UCLIBC_CURLOCALE);
}
#else /* defined(L_towctrans) && defined(__UCLIBC_HAS_XLOCALE__) */
#ifdef SMALL_UPLOW
wint_t TOWCTRANS(wint_t wc, wctrans_t desc)
{
unsigned sc, n, i;
__uwchar_t u = wc;
/* TODO - clean up */
if (ENCODING == __ctype_encoding_7_bit) {
if ((__uwchar_t)wc > 0x7f
|| (unsigned)(desc - _CTYPE_tolower) > (_CTYPE_toupper - _CTYPE_tolower)
) {
/* We're in the C/POSIX locale, so ignore non-ASCII values
* as well an any mappings other than toupper or tolower. */
return wc;
}
}
if ((unsigned)(desc - _CTYPE_tolower) <= (_CTYPE_totitle - _CTYPE_tolower)) {
if (u <= WC_TABLE_DOMAIN_MAX) {
sc = u & ((1 << WCuplow_TI_SHIFT) - 1);
u >>= WCuplow_TI_SHIFT;
n = u & ((1 << WCuplow_II_SHIFT) - 1);
u >>= WCuplow_II_SHIFT;
i = ((unsigned) WCuplow[u]) << WCuplow_II_SHIFT;
i = ((unsigned) WCuplow[WCuplow_II_LEN + i + n]) << WCuplow_TI_SHIFT;
i = ((unsigned) WCuplow[WCuplow_II_LEN + WCuplow_TI_LEN + i + sc]) << 1;
if (desc == _CTYPE_tolower) {
++i;
}
wc += WCuplow_diff[i];
if (desc == _CTYPE_totitle) {
/* WARNING! These special cases work for glibc 2.2.4. Changes
* may be needed if the glibc locale tables are updated. */
if ((__uwchar_t)(wc - 0x1c4) <= (0x1cc - 0x1c4)
|| wc == 0x1f1
) {
++wc;
}
}
}
} else {
/* TODO - Deal with other transliterations. */
__set_errno(EINVAL);
}
return wc;
}
#else /* SMALL_UPLOW */
wint_t TOWCTRANS(wint_t wc, wctrans_t desc)
{
if (ENCODING == __ctype_encoding_7_bit) {
if ((__uwchar_t)wc > 0x7f
|| (unsigned)(desc - _CTYPE_tolower) > (_CTYPE_toupper - _CTYPE_tolower)
) {
/* We're in the C/POSIX locale, so ignore non-ASCII values
* as well an any mappings other than toupper or tolower. */
return wc;
}
}
if (desc == _CTYPE_tolower) {
return TOWLOWER(wc, __UCLIBC_CURLOCALE);
}
if ((unsigned)(desc - _CTYPE_toupper) <= (_CTYPE_totitle - _CTYPE_toupper)) {
wc = TOWUPPER(wc, __UCLIBC_CURLOCALE);
if (desc == _CTYPE_totitle) {
/* WARNING! These special cases work for glibc 2.2.4. Changes
* may be needed if the glibc locale tables are updated. */
if ((__uwchar_t)(wc - 0x1c4) <= (0x1cc - 0x1c4)
|| wc == 0x1f1
) {
++wc;
}
}
} else {
/* TODO - Deal with other transliterations. */
__set_errno(EINVAL);
}
return wc;
}
#endif /* SMALL_UPLOW */
#endif /* defined(L_towctrans) && defined(__UCLIBC_HAS_XLOCALE__) */
#ifdef L_towctrans_l
libc_hidden_def(towctrans_l)
#endif
#endif /* __LOCALE_C_ONLY */
#ifndef L_towctrans_l
libc_hidden_def(towctrans)
#endif
#endif
/**********************************************************************/
#ifdef L_wctrans
static const char transstring[] = __CTYPE_TRANSTRING;
wctrans_t wctrans(const char *property)
{
const unsigned char *p;
int i;
p = (const unsigned char *) transstring;
i = 1;
do {
if (!strcmp(property, (const char*) ++p)) {
return i;
}
++i;
p += p[-1];
} while (*p);
/* TODO - Add locale-specific translations. */
return 0;
}
libc_hidden_def(wctrans)
#endif
/**********************************************************************/
#ifdef L_wctrans_l
wctrans_t wctrans_l(const char *property, __locale_t locale)
{
return wctrans(property);
}
#endif
/**********************************************************************/
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