5b6db47748
will follow when I've decided whether to keep this API or ditch it in favor of something slightly more subtle.
79 lines
3.1 KiB
C
79 lines
3.1 KiB
C
/*-
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* Copyright (c) 2000 Poul-Henning Kamp and Dag-Erling Coïdan Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_SBUF_H_
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#define _SYS_SBUF_H_
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/*
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* Structure definition
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*/
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struct sbuf {
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char *s_buf; /* storage buffer */
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struct sbuf *s_next; /* next in chain */
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int s_size; /* size of storage buffer */
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int s_len; /* current length of string */
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#define SBUF_AUTOEXTEND 0x00000001 /* automatically extend buffer */
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#define SBUF_DYNAMIC 0x00010000 /* s_buf must be freed */
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#define SBUF_FINISHED 0x00020000 /* set by sbuf_finish() */
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#define SBUF_OVERFLOWED 0x00040000 /* sbuf overflowed */
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#define SBUF_DYNSTRUCT 0x00080000 /* sbuf must be freed */
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int s_flags; /* flags */
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};
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__BEGIN_DECLS
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/*
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* API functions
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*/
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struct sbuf *sbuf_new(struct sbuf *s, char *buf, int length, int flags);
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void sbuf_clear(struct sbuf *s);
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int sbuf_setpos(struct sbuf *s, int pos);
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int sbuf_bcat(struct sbuf *s, const char *str, size_t len);
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int sbuf_bcpy(struct sbuf *s, const char *str, size_t len);
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int sbuf_cat(struct sbuf *s, const char *str);
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int sbuf_cpy(struct sbuf *s, const char *str);
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int sbuf_printf(struct sbuf *s, const char *fmt, ...) __printflike(2, 3);
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int sbuf_putc(struct sbuf *s, int c);
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int sbuf_trim(struct sbuf *s);
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int sbuf_overflowed(struct sbuf *s);
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void sbuf_finish(struct sbuf *s);
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char *sbuf_data(struct sbuf *s);
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int sbuf_len(struct sbuf *s);
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void sbuf_delete(struct sbuf *s);
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#ifdef _KERNEL
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struct uio;
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struct sbuf *sbuf_uionew(struct sbuf *s, struct uio *uio, int *error);
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int sbuf_bcopyin(struct sbuf *s, const void *uaddr, size_t len);
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int sbuf_copyin(struct sbuf *s, const void *uaddr, size_t len);
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#endif
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__END_DECLS
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#endif
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