sbin/cgdconfig/utils.h

   1 /* $NetBSD: utils.h,v 1.8 2008/04/28 20:23:08 martin Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2002, 2003 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Roland C. Dowdeswell.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef CGDUTILS_H
  33 #define CGDUTILS_H
  34
  35 #include <stdio.h>
  36
  37 #define BITS2BYTES(n)   (((n) + 7) / 8)
  38
  39 struct string;
  40 typedef struct string string_t;
  41
  42 struct bits;
  43 typedef struct bits bits_t;
  44
  45 __BEGIN_DECLS
  46 char            **words(const char *, int *);
  47 void              words_free(char **, int);
  48
  49 void              memxor(void *, const void *, size_t);
  50
  51 void              free_notnull(void *);
  52
  53 string_t         *string_zero(void);
  54 string_t         *string_new(const char *, size_t);
  55 string_t         *string_dup(const string_t *);
  56 void              string_assign(string_t **, string_t *);
  57 void              string_free(string_t *);
  58 string_t         *string_add(const string_t *, const string_t *);
  59 string_t         *string_add_d(string_t *, string_t *);
  60 string_t         *string_fromcharstar(const char *);
  61 const char       *string_tocharstar(const string_t *);
  62 string_t         *string_fromint(int);
  63
  64 void              string_fprint(FILE *, const string_t *);
  65
  66 bits_t           *bits_new(const void *, size_t);
  67 bits_t           *bits_dup(const bits_t *);
  68 void              bits_assign(bits_t **, bits_t *);
  69 void              bits_free(bits_t *);
  70 const void       *bits_getbuf(bits_t *);
  71 size_t            bits_len(bits_t *);
  72 int               bits_match(const bits_t *, const bits_t *);
  73
  74 bits_t           *bits_xor(const bits_t *, const bits_t *);
  75 bits_t           *bits_xor_d(bits_t *, bits_t *);
  76
  77 bits_t           *bits_decode(const string_t *);
  78 bits_t           *bits_decode_d(string_t *);
  79 string_t         *bits_encode(const bits_t *);
  80 string_t         *bits_encode_d(bits_t *);
  81
  82 bits_t           *bits_cget(const char *, size_t);
  83 bits_t           *bits_fget(FILE *, size_t);
  84 bits_t           *bits_getrandombits(size_t, int);
  85
  86 void              bits_fprint(FILE *, const bits_t *);
  87 __END_DECLS
  88
  89 #endif