xref: /dflybsd-src/usr.sbin/installer/libaura/buffer.h (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
186d7f5d3SJohn Marino /*
286d7f5d3SJohn Marino  * Copyright (c) 2004 The DragonFly Project.  All rights reserved.
386d7f5d3SJohn Marino  *
486d7f5d3SJohn Marino  * This code is derived from software contributed to The DragonFly Project
586d7f5d3SJohn Marino  * by Chris Pressey <cpressey@catseye.mine.nu>.
686d7f5d3SJohn Marino  *
786d7f5d3SJohn Marino  * Redistribution and use in source and binary forms, with or without
886d7f5d3SJohn Marino  * modification, are permitted provided that the following conditions
986d7f5d3SJohn Marino  * are met:
1086d7f5d3SJohn Marino  *
1186d7f5d3SJohn Marino  * 1. Redistributions of source code must retain the above copyright
1286d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer.
1386d7f5d3SJohn Marino  * 2. Redistributions in binary form must reproduce the above copyright
1486d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer in
1586d7f5d3SJohn Marino  *    the documentation and/or other materials provided with the
1686d7f5d3SJohn Marino  *    distribution.
1786d7f5d3SJohn Marino  * 3. Neither the name of The DragonFly Project nor the names of its
1886d7f5d3SJohn Marino  *    contributors may be used to endorse or promote products derived
1986d7f5d3SJohn Marino  *    from this software without specific, prior written permission.
2086d7f5d3SJohn Marino  *
2186d7f5d3SJohn Marino  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
2286d7f5d3SJohn Marino  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
2386d7f5d3SJohn Marino  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
2486d7f5d3SJohn Marino  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
2586d7f5d3SJohn Marino  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
2686d7f5d3SJohn Marino  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
2786d7f5d3SJohn Marino  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
2886d7f5d3SJohn Marino  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
2986d7f5d3SJohn Marino  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
3086d7f5d3SJohn Marino  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
3186d7f5d3SJohn Marino  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3286d7f5d3SJohn Marino  * SUCH DAMAGE.
3386d7f5d3SJohn Marino  */
3486d7f5d3SJohn Marino 
3586d7f5d3SJohn Marino /*
3686d7f5d3SJohn Marino  * buffer.h
3786d7f5d3SJohn Marino  * $Id: buffer.h,v 1.2 2005/02/06 06:57:30 cpressey Exp $
3886d7f5d3SJohn Marino  */
3986d7f5d3SJohn Marino 
4086d7f5d3SJohn Marino #ifndef __AURA_BUFFER_H_
4186d7f5d3SJohn Marino #define	__AURA_BUFFER_H_
4286d7f5d3SJohn Marino 
4386d7f5d3SJohn Marino #include <stdlib.h>
4486d7f5d3SJohn Marino 
4586d7f5d3SJohn Marino struct aura_buffer {
4686d7f5d3SJohn Marino 	char	*buf;
4786d7f5d3SJohn Marino 	size_t	 len;
4886d7f5d3SJohn Marino 	size_t	 size;
4986d7f5d3SJohn Marino 	size_t	 pos;
5086d7f5d3SJohn Marino };
5186d7f5d3SJohn Marino 
5286d7f5d3SJohn Marino struct aura_buffer	*aura_buffer_new(size_t);
5386d7f5d3SJohn Marino void			 aura_buffer_free(struct aura_buffer *);
5486d7f5d3SJohn Marino char			*aura_buffer_buf(struct aura_buffer *);
5586d7f5d3SJohn Marino size_t			 aura_buffer_len(struct aura_buffer *);
5686d7f5d3SJohn Marino size_t			 aura_buffer_size(struct aura_buffer *);
5786d7f5d3SJohn Marino 
5886d7f5d3SJohn Marino void			 aura_buffer_ensure_size(struct aura_buffer *, size_t);
5986d7f5d3SJohn Marino void			 aura_buffer_set(struct aura_buffer *, const char *, size_t);
6086d7f5d3SJohn Marino void			 aura_buffer_append(struct aura_buffer *, const char *, size_t);
6186d7f5d3SJohn Marino 
6286d7f5d3SJohn Marino void			 aura_buffer_cpy(struct aura_buffer *, const char *);
6386d7f5d3SJohn Marino void			 aura_buffer_cat(struct aura_buffer *, const char *);
6486d7f5d3SJohn Marino int			 aura_buffer_cat_file(struct aura_buffer *, const char *, ...)
6586d7f5d3SJohn Marino 			     __printflike(2, 3);
6686d7f5d3SJohn Marino int			 aura_buffer_cat_pipe(struct aura_buffer *, const char *, ...)
6786d7f5d3SJohn Marino 			     __printflike(2, 3);
6886d7f5d3SJohn Marino 
6986d7f5d3SJohn Marino int			 aura_buffer_seek(struct aura_buffer *, size_t);
7086d7f5d3SJohn Marino size_t			 aura_buffer_tell(struct aura_buffer *);
7186d7f5d3SJohn Marino int			 aura_buffer_eof(struct aura_buffer *);
7286d7f5d3SJohn Marino char			 aura_buffer_peek_char(struct aura_buffer *);
7386d7f5d3SJohn Marino char			 aura_buffer_scan_char(struct aura_buffer *);
7486d7f5d3SJohn Marino int			 aura_buffer_compare(struct aura_buffer *, const char *);
7586d7f5d3SJohn Marino int			 aura_buffer_expect(struct aura_buffer *, const char *);
7686d7f5d3SJohn Marino 
7786d7f5d3SJohn Marino void			 aura_buffer_push(struct aura_buffer *, const void *, size_t);
7886d7f5d3SJohn Marino int			 aura_buffer_pop(struct aura_buffer *, void *, size_t);
7986d7f5d3SJohn Marino 
8086d7f5d3SJohn Marino #endif /* !__AURA_BUFFER_H_ */
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