| /*- |
| * 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. |
| * |
| * $FreeBSD$ |
| */ |
| |
| #ifndef _BSD_SYS_SBUF_H_ |
| #define _BSD_SYS_SBUF_H_ |
| |
| #include <sys/bsd__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); |
| #define sbuf_new_auto() \ |
| sbuf_new(NULL, NULL, 0, SBUF_AUTOEXTEND) |
| 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 _FREEBSD_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 |
