lib/libc/citrus/citrus_lookup.h

   1 /*      $NetBSD: citrus_lookup.h,v 1.2 2004/07/21 14:16:34 tshiozak 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_LOOKUP_H_
  30 #define _CITRUS_LOOKUP_H_
  31
  32 #define _CITRUS_LOOKUP_CASE_SENSITIVE   0
  33 #define _CITRUS_LOOKUP_CASE_IGNORE      1
  34
  35 struct _citrus_lookup;
  36 __BEGIN_DECLS
  37 char *_citrus_lookup_simple(const char *, const char *, char *, size_t, int);
  38 int _citrus_lookup_seq_open(struct _citrus_lookup **, const char *, int);
  39 void _citrus_lookup_seq_rewind(struct _citrus_lookup *);
  40 int _citrus_lookup_seq_next(struct _citrus_lookup *,
  41                             struct _region *, struct _region *);
  42 int _citrus_lookup_seq_lookup(struct _citrus_lookup *, const char *,
  43                               struct _region *);
  44 int _citrus_lookup_get_number_of_entries(struct _citrus_lookup *);
  45 void _citrus_lookup_seq_close(struct _citrus_lookup *);
  46 __END_DECLS
  47
  48 static __inline const char *
  49 _citrus_lookup_alias(const char *path, const char *key, char *buf, size_t n,
  50                      int ignore_case)
  51 {
  52         const char *ret;
  53
  54         ret = _citrus_lookup_simple(path, key, buf, n, ignore_case);
  55         if (ret == NULL)
  56                 ret = key;
  57
  58         return ret;
  59 }
  60
  61 #endif