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/* $OpenBSD: runeglue.c,v 1.5 2017/08/05 15:16:32 schwarze Exp $ */ |
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/* $NetBSD: runeglue.c,v 1.10 2003/03/10 21:18:49 tshiozak Exp $ */ |
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/*- |
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* Copyright (c)1999 Citrus Project, |
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* All rights reserved. |
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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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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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* Id: runeglue.c,v 1.7 2000/12/22 22:52:29 itojun Exp |
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*/ |
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/* |
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* Glue code to hide "rune" facility from user programs. |
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* This is important to keep backward/future compatibility. |
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*/ |
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#include <assert.h> |
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#include <limits.h> |
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#include <stdio.h> |
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#include <sys/types.h> |
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#include <ctype.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <wchar.h> |
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#include "rune.h" |
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#include "rune_local.h" |
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#include "ctype_private.h" |
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#if EOF != -1 |
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#error "EOF != -1" |
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#endif |
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#if _CACHED_RUNES != 256 |
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#error "_CACHED_RUNES != 256" |
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#endif |
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int |
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__make_ctype_tabs(_RuneLocale *rl) |
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{ |
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int i, limit; |
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struct old_tabs *p; |
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p = malloc(sizeof *p); |
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if (!p) |
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return -1; |
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/* By default, fill the ctype tab completely. */ |
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limit = CTYPE_NUM_CHARS; |
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/* In UTF-8-encoded locales, the single-byte ctype functions |
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* must only return non-zero values for ASCII characters. |
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* Any non-ASCII single-byte character is not a valid UTF-8 sequence. |
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*/ |
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if (strcmp(rl->rl_encoding, "UTF8") == 0) |
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limit = 128; |
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rl->rl_tabs = p; |
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p->ctype_tab[0] = 0; |
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p->toupper_tab[0] = EOF; |
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p->tolower_tab[0] = EOF; |
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for (i = 0; i < limit; i++) { |
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p->ctype_tab[i + 1] = 0; |
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if (rl->rl_runetype[i] & _CTYPE_U) |
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p->ctype_tab[i + 1] |= _U; |
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if (rl->rl_runetype[i] & _CTYPE_L) |
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p->ctype_tab[i + 1] |= _L; |
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if (rl->rl_runetype[i] & _CTYPE_D) |
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p->ctype_tab[i + 1] |= _N; |
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if (rl->rl_runetype[i] & _CTYPE_S) |
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p->ctype_tab[i + 1] |= _S; |
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if (rl->rl_runetype[i] & _CTYPE_P) |
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p->ctype_tab[i + 1] |= _P; |
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if (rl->rl_runetype[i] & _CTYPE_C) |
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p->ctype_tab[i + 1] |= _C; |
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if (rl->rl_runetype[i] & _CTYPE_X) |
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p->ctype_tab[i + 1] |= _X; |
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/* |
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* _B has been used incorrectly (or with older declaration) |
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* in ctype.h isprint() macro. |
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* _B does not mean isblank, it means "isprint && !isgraph". |
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* the following is okay since isblank() was hardcoded in |
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* function (i.e. isblank() is inherently locale unfriendly). |
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*/ |
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if ((rl->rl_runetype[i] & (_CTYPE_R | _CTYPE_G)) |
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== _CTYPE_R) |
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p->ctype_tab[i + 1] |= _B; |
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p->toupper_tab[i + 1] = (short)rl->rl_mapupper[i]; |
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p->tolower_tab[i + 1] = (short)rl->rl_maplower[i]; |
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} |
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for (i = limit; i < CTYPE_NUM_CHARS; i++) |
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p->ctype_tab[i + 1] = 0; |
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return 0; |
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} |