1 /* $NetBSD: utils.h,v 1.9 2008/05/11 03:15:21 elric 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 90