1 | /*- |
2 | * Copyright (c) 2000 Poul-Henning Kamp and Dag-Erling Coïdan Smørgrav |
3 | * All rights reserved. |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
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. |
16 | * |
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. |
27 | * |
28 | * $FreeBSD: /repoman/r/ncvs/src/sys/sys/sbuf.h,v 1.14 2004/07/09 11:35:30 des Exp $ |
29 | */ |
30 | |
31 | #ifndef _SYS_SBUF_H_ |
32 | #define _SYS_SBUF_H_ |
33 | |
34 | #include <sys/_types.h> |
35 | #include <stdarg.h> |
36 | #include <stddef.h> |
37 | |
38 | /* |
39 | * Structure definition |
40 | */ |
41 | struct sbuf { |
42 | char *s_buf; /* storage buffer */ |
43 | void *s_unused; /* binary compatibility. */ |
44 | int s_size; /* size of storage buffer */ |
45 | int s_len; /* current length of string */ |
46 | #define SBUF_FIXEDLEN 0x00000000 /* fixed length buffer (default) */ |
47 | #define SBUF_AUTOEXTEND 0x00000001 /* automatically extend buffer */ |
48 | #define SBUF_USRFLAGMSK 0x0000ffff /* mask of flags the user may specify */ |
49 | #define SBUF_DYNAMIC 0x00010000 /* s_buf must be freed */ |
50 | #define SBUF_FINISHED 0x00020000 /* set by sbuf_finish() */ |
51 | #define SBUF_OVERFLOWED 0x00040000 /* sbuf overflowed */ |
52 | #define SBUF_DYNSTRUCT 0x00080000 /* sbuf must be freed */ |
53 | int s_flags; /* flags */ |
54 | }; |
55 | |
56 | __BEGIN_DECLS |
57 | #ifdef KERNEL_PRIVATE |
58 | struct sbuf *sbuf_new(struct sbuf *, char *, int, int); |
59 | void sbuf_clear(struct sbuf *); |
60 | int sbuf_setpos(struct sbuf *, int); |
61 | int sbuf_bcat(struct sbuf *, const void *, size_t); |
62 | int sbuf_bcpy(struct sbuf *, const void *, size_t); |
63 | int sbuf_cat(struct sbuf *, const char *); |
64 | int sbuf_cpy(struct sbuf *, const char *); |
65 | int sbuf_printf(struct sbuf *, const char *, ...) __printflike(2, 3); |
66 | int sbuf_vprintf(struct sbuf *, const char *, va_list) __printflike(2, 0); |
67 | int sbuf_putc(struct sbuf *, int); |
68 | int sbuf_trim(struct sbuf *); |
69 | int sbuf_overflowed(struct sbuf *); |
70 | void sbuf_finish(struct sbuf *); |
71 | char *sbuf_data(struct sbuf *); |
72 | int sbuf_len(struct sbuf *); |
73 | int sbuf_done(struct sbuf *); |
74 | void sbuf_delete(struct sbuf *); |
75 | #endif |
76 | |
77 | __END_DECLS |
78 | |
79 | #endif |
80 | |