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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/dtrace/sdt/@/sys/sbuf.h |
/*-
* Copyright (c) 2000-2008 Poul-Henning Kamp
* Copyright (c) 2000-2008 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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: release/9.1.0/sys/sys/sbuf.h 221993 2011-05-16 16:18:40Z phk $
*/
#ifndef _SYS_SBUF_H_
#define _SYS_SBUF_H_
#include <sys/_types.h>
struct sbuf;
typedef int (sbuf_drain_func)(void *, const char *, int);
/*
* Structure definition
*/
struct sbuf {
char *s_buf; /* storage buffer */
sbuf_drain_func *s_drain_func; /* drain function */
void *s_drain_arg; /* user-supplied drain argument */
int s_error; /* current error code */
ssize_t s_size; /* size of storage buffer */
ssize_t 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_DYNSTRUCT 0x00080000 /* sbuf must be freed */
int s_flags; /* flags */
};
__BEGIN_DECLS
/*
* API functions
*/
struct sbuf *sbuf_new(struct sbuf *, char *, int, int);
#define sbuf_new_auto() \
sbuf_new(NULL, NULL, 0, SBUF_AUTOEXTEND)
void sbuf_clear(struct sbuf *);
int sbuf_setpos(struct sbuf *, ssize_t);
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);
void sbuf_set_drain(struct sbuf *, sbuf_drain_func *, void *);
int sbuf_trim(struct sbuf *);
int sbuf_error(const struct sbuf *);
int sbuf_finish(struct sbuf *);
char *sbuf_data(struct sbuf *);
ssize_t sbuf_len(struct sbuf *);
int sbuf_done(const 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