2 * Copyright (c) 2000 Poul-Henning Kamp and Dag-Erling Coïdan Smørgrav
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * $FreeBSD: src/sys/sys/sbuf.h,v 1.7.2.2 2002/03/12 01:00:28 archie Exp $
35 #include <sys/cdefs.h>
37 #include <machine/stdint.h>
38 #include <machine/stdarg.h>
41 * Structure definition
44 char *s_buf; /* storage buffer */
45 void *s_unused; /* binary compatibility. */
46 int s_size; /* size of storage buffer */
47 int s_len; /* current length of string */
48 #define SBUF_FIXEDLEN 0x00000000 /* fixed length buffer (default) */
49 #define SBUF_AUTOEXTEND 0x00000001 /* automatically extend buffer */
50 #define SBUF_USRFLAGMSK 0x0000ffff /* mask of flags the user may specify */
51 #define SBUF_DYNAMIC 0x00010000 /* s_buf must be freed */
52 #define SBUF_FINISHED 0x00020000 /* set by sbuf_finish() */
53 #define SBUF_OVERFLOWED 0x00040000 /* sbuf overflowed */
54 #define SBUF_DYNSTRUCT 0x00080000 /* sbuf must be freed */
55 int s_flags; /* flags */
62 struct sbuf *sbuf_new(struct sbuf *, char *, int, int);
63 #define sbuf_new_auto() sbuf_new(NULL, NULL, 0, SBUF_AUTOEXTEND)
64 void sbuf_clear(struct sbuf *);
65 int sbuf_setpos(struct sbuf *, int);
66 int sbuf_bcat(struct sbuf *, const char *, __size_t);
67 int sbuf_bcpy(struct sbuf *, const char *, __size_t);
68 int sbuf_cat(struct sbuf *, const char *);
69 int sbuf_cpy(struct sbuf *, const char *);
70 int sbuf_printf(struct sbuf *, const char *, ...) __printflike(2, 3);
71 int sbuf_vprintf(struct sbuf *, const char *, __va_list) __printflike(2, 0);
72 int sbuf_putc(struct sbuf *, int);
73 int sbuf_trim(struct sbuf *);
74 int sbuf_overflowed(struct sbuf *);
75 void sbuf_finish(struct sbuf *);
76 char *sbuf_data(struct sbuf *);
77 int sbuf_len(struct sbuf *);
78 int sbuf_done(struct sbuf *);
79 void sbuf_delete(struct sbuf *);
83 struct sbuf *sbuf_uionew(struct sbuf *, struct uio *, int *);
84 int sbuf_bcopyin(struct sbuf *, const void *, __size_t);
85 int sbuf_copyin(struct sbuf *, const void *, __size_t);