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      1 /*	$NetBSD: citrus_bcs.h,v 1.6 2009/01/11 02:46:24 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c)2003 Citrus Project,
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _CITRUS_BCS_H_
     30 #define _CITRUS_BCS_H_
     31 
     32 /*
     33  * predicate/conversion for basic character set.
     34  *
     35  * `Basic character set' is a term defined in the ISO C standard.
     36  * Citrus bcs is, if anything, close to `portable character set'
     37  * defined in the POSIX.
     38  */
     39 
     40 #define _CITRUS_BCS_PRED(_name_, _cond_) \
     41 static __inline int _citrus_bcs_##_name_(uint8_t c) { return (_cond_); }
     42 
     43 /*
     44  * predicates.
     45  * Unlike predicates defined in ctype.h, these do not accept EOF.
     46  */
     47 _CITRUS_BCS_PRED(isblank, c == ' ' || c == '\t')
     48 _CITRUS_BCS_PRED(iseol, c == '\n' || c == '\r')
     49 _CITRUS_BCS_PRED(isspace,
     50 		 _citrus_bcs_isblank(c) || _citrus_bcs_iseol(c) ||
     51 		 c == '\f' || c == '\v')
     52 _CITRUS_BCS_PRED(isdigit, c >= '0' && c <= '9')
     53 _CITRUS_BCS_PRED(isupper, c >= 'A' && c <= 'Z')
     54 _CITRUS_BCS_PRED(islower, c >= 'a' && c <= 'z')
     55 _CITRUS_BCS_PRED(isalpha, _citrus_bcs_isupper(c) || _citrus_bcs_islower(c))
     56 _CITRUS_BCS_PRED(isalnum, _citrus_bcs_isdigit(c) || _citrus_bcs_isalpha(c))
     57 _CITRUS_BCS_PRED(isxdigit,
     58 		 _citrus_bcs_isdigit(c) ||
     59 		 (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f'))
     60 
     61 /*
     62  * transliterate between uppercase and lowercase.
     63  * Unlike transliterator defined in ctype.h, these do not accept EOF.
     64  */
     65 static __inline uint8_t
     66 _citrus_bcs_toupper(uint8_t c)
     67 {
     68 	return (_citrus_bcs_islower(c) ? (c - 'a' + 'A') : c);
     69 }
     70 
     71 static __inline uint8_t
     72 _citrus_bcs_tolower(uint8_t c)
     73 {
     74 	return (_citrus_bcs_isupper(c) ? (c - 'A' + 'a') : c);
     75 }
     76 
     77 __BEGIN_DECLS
     78 int _citrus_bcs_strcasecmp(const char * __restrict, const char * __restrict);
     79 int _citrus_bcs_strncasecmp(const char * __restrict, const char * __restrict,
     80 			    size_t);
     81 const char *_citrus_bcs_skip_ws(const char * __restrict);
     82 const char *_citrus_bcs_skip_nonws(const char * __restrict);
     83 const char *_citrus_bcs_skip_ws_len(const char * __restrict,
     84 				       size_t * __restrict);
     85 const char *_citrus_bcs_skip_nonws_len(const char * __restrict,
     86 				       size_t * __restrict);
     87 void _citrus_bcs_trunc_rws_len(const char * __restrict, size_t * __restrict);
     88 void _citrus_bcs_convert_to_lower(char *);
     89 void _citrus_bcs_convert_to_upper(char *);
     90 
     91 long int _citrus_bcs_strtol(
     92     const char * __restrict, char ** __restrict, int);
     93 unsigned long int _citrus_bcs_strtoul(
     94     const char * __restrict, char ** __restrict, int);
     95 
     96 __END_DECLS
     97 
     98 #endif
     99