1*e7776783SApple OSS Distributions /*- 2*e7776783SApple OSS Distributions * Copyright (c) 2000 Poul-Henning Kamp and Dag-Erling Coïdan Smørgrav 3*e7776783SApple OSS Distributions * All rights reserved. 4*e7776783SApple OSS Distributions * 5*e7776783SApple OSS Distributions * Redistribution and use in source and binary forms, with or without 6*e7776783SApple OSS Distributions * modification, are permitted provided that the following conditions 7*e7776783SApple OSS Distributions * are met: 8*e7776783SApple OSS Distributions * 1. Redistributions of source code must retain the above copyright 9*e7776783SApple OSS Distributions * notice, this list of conditions and the following disclaimer 10*e7776783SApple OSS Distributions * in this position and unchanged. 11*e7776783SApple OSS Distributions * 2. Redistributions in binary form must reproduce the above copyright 12*e7776783SApple OSS Distributions * notice, this list of conditions and the following disclaimer in the 13*e7776783SApple OSS Distributions * documentation and/or other materials provided with the distribution. 14*e7776783SApple OSS Distributions * 3. The name of the author may not be used to endorse or promote products 15*e7776783SApple OSS Distributions * derived from this software without specific prior written permission. 16*e7776783SApple OSS Distributions * 17*e7776783SApple OSS Distributions * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18*e7776783SApple OSS Distributions * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19*e7776783SApple OSS Distributions * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20*e7776783SApple OSS Distributions * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21*e7776783SApple OSS Distributions * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22*e7776783SApple OSS Distributions * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23*e7776783SApple OSS Distributions * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24*e7776783SApple OSS Distributions * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25*e7776783SApple OSS Distributions * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26*e7776783SApple OSS Distributions * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27*e7776783SApple OSS Distributions * 28*e7776783SApple OSS Distributions * $FreeBSD: /repoman/r/ncvs/src/sys/sys/sbuf.h,v 1.14 2004/07/09 11:35:30 des Exp $ 29*e7776783SApple OSS Distributions */ 30*e7776783SApple OSS Distributions 31*e7776783SApple OSS Distributions #ifndef _SYS_SBUF_H_ 32*e7776783SApple OSS Distributions #define _SYS_SBUF_H_ 33*e7776783SApple OSS Distributions 34*e7776783SApple OSS Distributions #include <sys/_types.h> 35*e7776783SApple OSS Distributions #include <stdarg.h> 36*e7776783SApple OSS Distributions #include <stddef.h> 37*e7776783SApple OSS Distributions 38*e7776783SApple OSS Distributions /* 39*e7776783SApple OSS Distributions * Structure definition 40*e7776783SApple OSS Distributions */ 41*e7776783SApple OSS Distributions struct sbuf { 42*e7776783SApple OSS Distributions char *s_buf; /* storage buffer */ 43*e7776783SApple OSS Distributions void *s_unused; /* binary compatibility. */ 44*e7776783SApple OSS Distributions int s_size; /* size of storage buffer */ 45*e7776783SApple OSS Distributions int s_len; /* current length of string */ 46*e7776783SApple OSS Distributions #define SBUF_FIXEDLEN 0x00000000 /* fixed length buffer (default) */ 47*e7776783SApple OSS Distributions #define SBUF_AUTOEXTEND 0x00000001 /* automatically extend buffer */ 48*e7776783SApple OSS Distributions #define SBUF_USRFLAGMSK 0x0000ffff /* mask of flags the user may specify */ 49*e7776783SApple OSS Distributions #define SBUF_DYNAMIC 0x00010000 /* s_buf must be freed */ 50*e7776783SApple OSS Distributions #define SBUF_FINISHED 0x00020000 /* set by sbuf_finish() */ 51*e7776783SApple OSS Distributions #define SBUF_OVERFLOWED 0x00040000 /* sbuf overflowed */ 52*e7776783SApple OSS Distributions #define SBUF_DYNSTRUCT 0x00080000 /* sbuf must be freed */ 53*e7776783SApple OSS Distributions int s_flags; /* flags */ 54*e7776783SApple OSS Distributions }; 55*e7776783SApple OSS Distributions 56*e7776783SApple OSS Distributions __BEGIN_DECLS 57*e7776783SApple OSS Distributions #ifdef KERNEL_PRIVATE 58*e7776783SApple OSS Distributions struct sbuf *sbuf_new(struct sbuf *, char *, int, int); 59*e7776783SApple OSS Distributions void sbuf_clear(struct sbuf *); 60*e7776783SApple OSS Distributions int sbuf_setpos(struct sbuf *, int); 61*e7776783SApple OSS Distributions int sbuf_bcat(struct sbuf *, const void *, size_t); 62*e7776783SApple OSS Distributions int sbuf_bcpy(struct sbuf *, const void *, size_t); 63*e7776783SApple OSS Distributions int sbuf_cat(struct sbuf *, const char *); 64*e7776783SApple OSS Distributions int sbuf_cpy(struct sbuf *, const char *); 65*e7776783SApple OSS Distributions int sbuf_printf(struct sbuf *, const char *, ...) __printflike(2, 3); 66*e7776783SApple OSS Distributions int sbuf_vprintf(struct sbuf *, const char *, va_list) __printflike(2, 0); 67*e7776783SApple OSS Distributions int sbuf_putc(struct sbuf *, int); 68*e7776783SApple OSS Distributions int sbuf_trim(struct sbuf *); 69*e7776783SApple OSS Distributions int sbuf_overflowed(struct sbuf *); 70*e7776783SApple OSS Distributions void sbuf_finish(struct sbuf *); 71*e7776783SApple OSS Distributions char *sbuf_data(struct sbuf *); 72*e7776783SApple OSS Distributions int sbuf_len(struct sbuf *); 73*e7776783SApple OSS Distributions int sbuf_done(struct sbuf *); 74*e7776783SApple OSS Distributions void sbuf_delete(struct sbuf *); 75*e7776783SApple OSS Distributions #endif 76*e7776783SApple OSS Distributions 77*e7776783SApple OSS Distributions __END_DECLS 78*e7776783SApple OSS Distributions 79*e7776783SApple OSS Distributions #endif 80