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/* $OpenBSD: iswctype_l.c,v 1.1 2017/09/05 03:16:13 schwarze Exp $ */ |
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/* $NetBSD: iswctype.c,v 1.15 2005/02/09 21:35:46 kleink Exp $ */ |
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/* |
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* Copyright (c) 1989 The Regents of the University of California. |
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* All rights reserved. |
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* (c) UNIX System Laboratories, Inc. |
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* All or some portions of this file are derived from material licensed |
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* to the University of California by American Telephone and Telegraph |
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with |
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* the permission of UNIX System Laboratories, Inc. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#include <ctype.h> |
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#include <errno.h> |
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#include <locale.h> |
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#include <string.h> |
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#include <wchar.h> |
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#include <wctype.h> |
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#include "rune.h" |
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#include "runetype.h" |
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#include "rune_local.h" |
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#include "_wctrans_local.h" |
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static _RuneLocale *__runelocale(locale_t); |
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static int __isctype_wl(wint_t, _RuneType, locale_t); |
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/* |
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* For all these functions, POSIX says that behaviour is undefined |
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* for LC_GLOBAL_LOCALE and for invalid locale arguments. |
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* The choice made here is to use the C locale in that case. |
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*/ |
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static _RuneLocale * |
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__runelocale(locale_t locale) |
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{ |
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_RuneLocale *rl; |
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rl = NULL; |
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if (locale == _LOCALE_UTF8) |
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rl = _Utf8RuneLocale; |
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if (rl == NULL) |
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rl = &_DefaultRuneLocale; |
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return rl; |
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} |
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static int |
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__isctype_wl(wint_t c, _RuneType f, locale_t locale) |
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{ |
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_RuneLocale *rl; |
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_RuneType rt; |
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rl = __runelocale(locale); |
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rt = _RUNE_ISCACHED(c) ? rl->rl_runetype[c] : ___runetype_mb(c, rl); |
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return (rt & f) != 0; |
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} |
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int |
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iswalnum_l(wint_t c, locale_t locale) |
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{ |
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return __isctype_wl(c, _CTYPE_A|_CTYPE_D, locale); |
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} |
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int |
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iswalpha_l(wint_t c, locale_t locale) |
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{ |
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return __isctype_wl(c, _CTYPE_A, locale); |
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} |
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int |
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iswblank_l(wint_t c, locale_t locale) |
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{ |
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return __isctype_wl(c, _CTYPE_B, locale); |
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} |
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int |
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iswcntrl_l(wint_t c, locale_t locale) |
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{ |
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return __isctype_wl(c, _CTYPE_C, locale); |
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} |
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int |
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iswdigit_l(wint_t c, locale_t locale) |
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{ |
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return __isctype_wl(c, _CTYPE_D, locale); |
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} |
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int |
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iswgraph_l(wint_t c, locale_t locale) |
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{ |
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return __isctype_wl(c, _CTYPE_G, locale); |
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} |
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int |
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iswlower_l(wint_t c, locale_t locale) |
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{ |
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return __isctype_wl(c, _CTYPE_L, locale); |
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} |
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int |
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iswprint_l(wint_t c, locale_t locale) |
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{ |
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return __isctype_wl(c, _CTYPE_R, locale); |
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} |
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int |
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iswpunct_l(wint_t c, locale_t locale) |
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{ |
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return __isctype_wl(c, _CTYPE_P, locale); |
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} |
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int |
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iswspace_l(wint_t c, locale_t locale) |
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{ |
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return __isctype_wl(c, _CTYPE_S, locale); |
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} |
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int |
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iswupper_l(wint_t c, locale_t locale) |
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{ |
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return __isctype_wl(c, _CTYPE_U, locale); |
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} |
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int |
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iswxdigit_l(wint_t c, locale_t locale) |
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{ |
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return __isctype_wl(c, _CTYPE_X, locale); |
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} |
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wint_t |
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towupper_l(wint_t c, locale_t locale) |
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{ |
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return _towctrans(c, _wctrans_upper(__runelocale(locale))); |
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} |
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wint_t |
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towlower_l(wint_t c, locale_t locale) |
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{ |
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return _towctrans(c, _wctrans_lower(__runelocale(locale))); |
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} |
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DEF_WEAK(towlower_l); |
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wctrans_t |
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wctrans_l(const char *charclass, locale_t locale) |
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{ |
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_RuneLocale *rl; |
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int i; |
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rl = __runelocale(locale); |
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if (rl->rl_wctrans[_WCTRANS_INDEX_LOWER].te_name == NULL) |
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_wctrans_init(rl); |
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for (i = 0; i < _WCTRANS_NINDEXES; i++) |
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if (strcmp(rl->rl_wctrans[i].te_name, charclass) == 0) |
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return &rl->rl_wctrans[i]; |
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return NULL; |
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} |
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/* |
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* POSIX says that the behaviour is unspecified if the LC_CTYPE in |
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* the locale argument does not match what was used to get desc. |
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* The choice made here is to simply ignore the locale argument |
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* and rely on the desc argument only. |
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*/ |
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wint_t |
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towctrans_l(wint_t c, wctrans_t desc, |
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locale_t locale __attribute__((__unused__))) |
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{ |
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return towctrans(c, desc); |
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} |
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wctype_t |
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wctype_l(const char *property, locale_t locale) |
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{ |
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_RuneLocale *rl; |
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int i; |
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rl = __runelocale(locale); |
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for (i = 0; i < _WCTYPE_NINDEXES; i++) |
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if (strcmp(rl->rl_wctype[i].te_name, property) == 0) |
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return &rl->rl_wctype[i]; |
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return NULL; |
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} |
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int |
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iswctype_l(wint_t c, wctype_t charclass, locale_t locale) |
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{ |
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if (charclass == (wctype_t)0) |
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return 0; /* Required by SUSv3. */ |
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return __isctype_wl(c, ((_WCTypeEntry *)charclass)->te_mask, locale); |
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} |