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/*-
* Copyright (c) 2000 Poul-Henning Kamp and Dag-Erling Coïdan Smørgrav
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _SYS_SBUF_H_
#define _SYS_SBUF_H_
#include <sys/_types.h>
/*
* Structure definition
*/
struct sbuf {
char *s_buf; /* storage buffer */
void *s_unused; /* binary compatibility. */
int s_size; /* size of storage buffer */
int s_len; /* current length of string */
#define SBUF_FIXEDLEN 0x00000000 /* fixed length buffer (default) */
#define SBUF_AUTOEXTEND 0x00000001 /* automatically extend buffer */
#define SBUF_USRFLAGMSK 0x0000ffff /* mask of flags the user may specify */
#define SBUF_DYNAMIC 0x00010000 /* s_buf must be freed */
#define SBUF_FINISHED 0x00020000 /* set by sbuf_finish() */
#define SBUF_OVERFLOWED 0x00040000 /* sbuf overflowed */
#define SBUF_DYNSTRUCT 0x00080000 /* sbuf must be freed */
int s_flags; /* flags */
};
__BEGIN_DECLS
/*
* API functions
*/
struct sbuf *sbuf_new(struct sbuf *, char *, int, int);
void sbuf_clear(struct sbuf *);
int sbuf_setpos(struct sbuf *, int);
int sbuf_bcat(struct sbuf *, const void *, size_t);
int sbuf_bcpy(struct sbuf *, const void *, size_t);
int sbuf_cat(struct sbuf *, const char *);
int sbuf_cpy(struct sbuf *, const char *);
int sbuf_printf(struct sbuf *, const char *, ...) __printflike(2, 3);
int sbuf_vprintf(struct sbuf *, const char *, __va_list) __printflike(2, 0);
int sbuf_putc(struct sbuf *, int);
int sbuf_trim(struct sbuf *);
int sbuf_overflowed(struct sbuf *);
void sbuf_finish(struct sbuf *);
char *sbuf_data(struct sbuf *);
int sbuf_len(struct sbuf *);
int sbuf_done(struct sbuf *);
void sbuf_delete(struct sbuf *);
#ifdef _KERNEL
struct uio;
struct sbuf *sbuf_uionew(struct sbuf *, struct uio *, int *);
int sbuf_bcopyin(struct sbuf *, const void *, size_t);
int sbuf_copyin(struct sbuf *, const void *, size_t);
#endif
__END_DECLS
#endif
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