2 * Copyright (c) 2000-2008 Poul-Henning Kamp
3 * Copyright (c) 2000-2008 Dag-Erling Coïdan Smørgrav
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer
11 * in this position and unchanged.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * $FreeBSD: head/sys/sys/sbuf.h 249377 2013-04-11 19:49:18Z trociny $
35 typedef int (sbuf_drain_func
)(void *, const char *, int);
38 * Structure definition
41 char *s_buf
; /* storage buffer */
42 sbuf_drain_func
*s_drain_func
; /* drain function */
43 void *s_drain_arg
; /* user-supplied drain argument */
44 int s_error
; /* current error code */
45 ssize_t s_size
; /* size of storage buffer */
46 ssize_t s_len
; /* current length of string */
47 #define SBUF_FIXEDLEN 0x00000000 /* fixed length buffer (default) */
48 #define SBUF_AUTOEXTEND 0x00000001 /* automatically extend buffer */
49 #define SBUF_USRFLAGMSK 0x0000ffff /* mask of flags the user may specify */
50 #define SBUF_DYNAMIC 0x00010000 /* s_buf must be freed */
51 #define SBUF_FINISHED 0x00020000 /* set by sbuf_finish() */
52 #define SBUF_DYNSTRUCT 0x00080000 /* sbuf must be freed */
53 #define SBUF_INSECTION 0x00100000 /* set by sbuf_start_section() */
54 int s_flags
; /* flags */
55 ssize_t s_sect_len
; /* current length of section */
62 struct sbuf
*sbuf_new(struct sbuf
*, char *, int, int);
63 #define sbuf_new_auto() \
64 sbuf_new(NULL, NULL, 0, SBUF_AUTOEXTEND)
65 void sbuf_clear(struct sbuf
*);
66 int sbuf_setpos(struct sbuf
*, ssize_t
);
67 int sbuf_bcat(struct sbuf
*, const void *, size_t);
68 int sbuf_bcpy(struct sbuf
*, const void *, size_t);
69 int sbuf_cat(struct sbuf
*, const char *);
70 int sbuf_cpy(struct sbuf
*, const char *);
71 int sbuf_printf(struct sbuf
*, const char *, ...)
73 int sbuf_vprintf(struct sbuf
*, const char *, __va_list
)
75 int sbuf_putc(struct sbuf
*, int);
76 void sbuf_set_drain(struct sbuf
*, sbuf_drain_func
*, void *);
77 int sbuf_trim(struct sbuf
*);
78 int sbuf_error(const struct sbuf
*);
79 int sbuf_finish(struct sbuf
*);
80 char *sbuf_data(struct sbuf
*);
81 ssize_t
sbuf_len(struct sbuf
*);
82 int sbuf_done(const struct sbuf
*);
83 void sbuf_delete(struct sbuf
*);
84 void sbuf_start_section(struct sbuf
*, ssize_t
*);
85 ssize_t
sbuf_end_section(struct sbuf
*, ssize_t
, size_t, int);
89 struct sbuf
*sbuf_uionew(struct sbuf
*, struct uio
*, int *);
90 int sbuf_bcopyin(struct sbuf
*, const void *, size_t);
91 int sbuf_copyin(struct sbuf
*, const void *, size_t);