1 /* 2 * Copyright (c) 2004 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Chris Pressey <cpressey@catseye.mine.nu>. 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 * 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 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 3. Neither the name of The DragonFly Project nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific, prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 /* 36 * buffer.h 37 * $Id: buffer.h,v 1.2 2005/02/06 06:57:30 cpressey Exp $ 38 */ 39 40 #ifndef __AURA_BUFFER_H_ 41 #define __AURA_BUFFER_H_ 42 43 #include <stdlib.h> 44 45 struct aura_buffer { 46 char *buf; 47 size_t len; 48 size_t size; 49 size_t pos; 50 }; 51 52 struct aura_buffer *aura_buffer_new(size_t); 53 void aura_buffer_free(struct aura_buffer *); 54 char *aura_buffer_buf(struct aura_buffer *); 55 size_t aura_buffer_len(struct aura_buffer *); 56 size_t aura_buffer_size(struct aura_buffer *); 57 58 void aura_buffer_ensure_size(struct aura_buffer *, size_t); 59 void aura_buffer_set(struct aura_buffer *, const char *, size_t); 60 void aura_buffer_append(struct aura_buffer *, const char *, size_t); 61 62 void aura_buffer_cpy(struct aura_buffer *, const char *); 63 void aura_buffer_cat(struct aura_buffer *, const char *); 64 int aura_buffer_cat_file(struct aura_buffer *, const char *, ...) 65 __printflike(2, 3); 66 int aura_buffer_cat_pipe(struct aura_buffer *, const char *, ...) 67 __printflike(2, 3); 68 69 int aura_buffer_seek(struct aura_buffer *, size_t); 70 size_t aura_buffer_tell(struct aura_buffer *); 71 int aura_buffer_eof(struct aura_buffer *); 72 char aura_buffer_peek_char(struct aura_buffer *); 73 char aura_buffer_scan_char(struct aura_buffer *); 74 int aura_buffer_compare(struct aura_buffer *, const char *); 75 int aura_buffer_expect(struct aura_buffer *, const char *); 76 77 void aura_buffer_push(struct aura_buffer *, const void *, size_t); 78 int aura_buffer_pop(struct aura_buffer *, void *, size_t); 79 80 #endif /* !__AURA_BUFFER_H_ */ 81