lib/libc/citrus/citrus_bcs.h

   1 /*      $NetBSD: src/lib/libc/citrus/citrus_bcs.h,v 1.2 2004/01/02 21:49:35 itojun Exp $        */
   2 /*      $DragonFly: src/lib/libc/citrus/citrus_bcs.h,v 1.1 2005/03/11 23:33:53 joerg Exp $ */
   3
   4 /*-
   5  * Copyright (c)2003 Citrus Project,
   6  * All rights reserved.
   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  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #ifndef _CITRUS_BCS_H_
  31 #define _CITRUS_BCS_H_
  32
  33 /*
  34  * predicate/conversion for basic character set.
  35  */
  36
  37 #define _CITRUS_BCS_PRED(_name_, _cond_) \
  38 static __inline int _citrus_bcs_##_name_(uint8_t c) { return (_cond_); }
  39
  40 _CITRUS_BCS_PRED(isblank, c == ' ' || c == '\t')
  41 _CITRUS_BCS_PRED(iseol, c == '\n' || c == '\r')
  42 _CITRUS_BCS_PRED(isspace,
  43                  _citrus_bcs_isblank(c) || _citrus_bcs_iseol(c) ||
  44                  c == '\f' || c == '\v')
  45 _CITRUS_BCS_PRED(isdigit, c >= '0' && c <= '9')
  46 _CITRUS_BCS_PRED(isupper, c >= 'A' && c <= 'Z')
  47 _CITRUS_BCS_PRED(islower, c >= 'a' && c <= 'z')
  48 _CITRUS_BCS_PRED(isalpha, _citrus_bcs_isupper(c) || _citrus_bcs_islower(c))
  49 _CITRUS_BCS_PRED(isalnum, _citrus_bcs_isdigit(c) || _citrus_bcs_isalpha(c))
  50 _CITRUS_BCS_PRED(isxdigit,
  51                  _citrus_bcs_isdigit(c) ||
  52                  (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f'))
  53
  54 static __inline uint8_t
  55 _citrus_bcs_toupper(uint8_t c)
  56 {
  57         return (_citrus_bcs_islower(c) ? (c - 'a' + 'A') : c);
  58 }
  59
  60 static __inline uint8_t
  61 _citrus_bcs_tolower(uint8_t c)
  62 {
  63         return (_citrus_bcs_isupper(c) ? (c - 'A' + 'a') : c);
  64 }
  65
  66 __BEGIN_DECLS
  67 int _citrus_bcs_strcasecmp(const char * __restrict, const char * __restrict);
  68 int _citrus_bcs_strncasecmp(const char * __restrict, const char * __restrict,
  69                             size_t);
  70 const char *_citrus_bcs_skip_ws(const char * __restrict);
  71 const char *_citrus_bcs_skip_nonws(const char * __restrict);
  72 const char *_citrus_bcs_skip_ws_len(const char * __restrict,
  73                                        size_t * __restrict);
  74 const char *_citrus_bcs_skip_nonws_len(const char * __restrict,
  75                                        size_t * __restrict);
  76 void _citrus_bcs_trunc_rws_len(const char * __restrict, size_t * __restrict);
  77 void _citrus_bcs_convert_to_lower(char *);
  78 void _citrus_bcs_convert_to_upper(char *);
  79 __END_DECLS
  80
  81 #endif