locale/none.c

   1 /*-
   2  * Copyright (c) 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Paul Borman at Krystal Technologies.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  * $FreeBSD: src/lib/libc/locale/none.c,v 1.2.8.1 2001/03/05 10:25:03 obrien Exp $
  37  */
  38
  39 #if defined(LIBC_SCCS) && !defined(lint)
  40 static char sccsid[] = "@(#)none.c      8.1 (Berkeley) 6/4/93";
  41 #endif /* LIBC_SCCS and not lint */
  42
  43 #include <stddef.h>
  44 #include <stdio.h>
  45 #include <rune.h>
  46 #include <stdlib.h>
  47
  48 rune_t  _none_sgetrune __P((const char *, size_t, char const **));
  49 int     _none_sputrune __P((rune_t, char *, size_t, char **));
  50
  51 int
  52 _none_init(rl)
  53         _RuneLocale *rl;
  54 {
  55         rl->sgetrune = _none_sgetrune;
  56         rl->sputrune = _none_sputrune;
  57         _CurrentRuneLocale = rl;
  58         __mb_cur_max = 1;
  59         return(0);
  60 }
  61
  62 rune_t
  63 _none_sgetrune(string, n, result)
  64         const char *string;
  65         size_t n;
  66         char const **result;
  67 {
  68         if (n < 1) {
  69                 if (result)
  70                         *result = string;
  71                 return(_INVALID_RUNE);
  72         }
  73         if (result)
  74                 *result = string + 1;
  75         return(*string & 0xff);
  76 }
  77
  78 int
  79 _none_sputrune(c, string, n, result)
  80         rune_t c;
  81         char *string, **result;
  82         size_t n;
  83 {
  84         if (n >= 1) {
  85                 if (string)
  86                         *string = c;
  87                 if (result)
  88                         *result = string + 1;
  89         } else if (result)
  90                 *result = (char *)0;
  91         return(1);
  92 }