1*6ff6d951SJohn Birrell /* 2*6ff6d951SJohn Birrell * CDDL HEADER START 3*6ff6d951SJohn Birrell * 4*6ff6d951SJohn Birrell * The contents of this file are subject to the terms of the 5*6ff6d951SJohn Birrell * Common Development and Distribution License, Version 1.0 only 6*6ff6d951SJohn Birrell * (the "License"). You may not use this file except in compliance 7*6ff6d951SJohn Birrell * with the License. 8*6ff6d951SJohn Birrell * 9*6ff6d951SJohn Birrell * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*6ff6d951SJohn Birrell * or http://www.opensolaris.org/os/licensing. 11*6ff6d951SJohn Birrell * See the License for the specific language governing permissions 12*6ff6d951SJohn Birrell * and limitations under the License. 13*6ff6d951SJohn Birrell * 14*6ff6d951SJohn Birrell * When distributing Covered Code, include this CDDL HEADER in each 15*6ff6d951SJohn Birrell * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*6ff6d951SJohn Birrell * If applicable, add the following below this CDDL HEADER, with the 17*6ff6d951SJohn Birrell * fields enclosed by brackets "[]" replaced with your own identifying 18*6ff6d951SJohn Birrell * information: Portions Copyright [yyyy] [name of copyright owner] 19*6ff6d951SJohn Birrell * 20*6ff6d951SJohn Birrell * CDDL HEADER END 21*6ff6d951SJohn Birrell */ 22*6ff6d951SJohn Birrell /* 23*6ff6d951SJohn Birrell * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*6ff6d951SJohn Birrell * Use is subject to license terms. 25*6ff6d951SJohn Birrell */ 26*6ff6d951SJohn Birrell 27*6ff6d951SJohn Birrell #ifndef _DT_BUF_H 28*6ff6d951SJohn Birrell #define _DT_BUF_H 29*6ff6d951SJohn Birrell 30*6ff6d951SJohn Birrell #pragma ident "%Z%%M% %I% %E% SMI" 31*6ff6d951SJohn Birrell 32*6ff6d951SJohn Birrell #ifdef __cplusplus 33*6ff6d951SJohn Birrell extern "C" { 34*6ff6d951SJohn Birrell #endif 35*6ff6d951SJohn Birrell 36*6ff6d951SJohn Birrell #include <dtrace.h> 37*6ff6d951SJohn Birrell 38*6ff6d951SJohn Birrell typedef struct dt_buf { 39*6ff6d951SJohn Birrell const char *dbu_name; /* string name for debugging */ 40*6ff6d951SJohn Birrell uchar_t *dbu_buf; /* buffer base address */ 41*6ff6d951SJohn Birrell uchar_t *dbu_ptr; /* current buffer location */ 42*6ff6d951SJohn Birrell size_t dbu_len; /* buffer size in bytes */ 43*6ff6d951SJohn Birrell int dbu_err; /* errno value if error */ 44*6ff6d951SJohn Birrell int dbu_resizes; /* number of resizes */ 45*6ff6d951SJohn Birrell } dt_buf_t; 46*6ff6d951SJohn Birrell 47*6ff6d951SJohn Birrell extern void dt_buf_create(dtrace_hdl_t *, dt_buf_t *, const char *, size_t); 48*6ff6d951SJohn Birrell extern void dt_buf_destroy(dtrace_hdl_t *, dt_buf_t *); 49*6ff6d951SJohn Birrell extern void dt_buf_reset(dtrace_hdl_t *, dt_buf_t *); 50*6ff6d951SJohn Birrell 51*6ff6d951SJohn Birrell extern void dt_buf_write(dtrace_hdl_t *, dt_buf_t *, 52*6ff6d951SJohn Birrell const void *, size_t, size_t); 53*6ff6d951SJohn Birrell 54*6ff6d951SJohn Birrell extern void dt_buf_concat(dtrace_hdl_t *, dt_buf_t *, 55*6ff6d951SJohn Birrell const dt_buf_t *, size_t); 56*6ff6d951SJohn Birrell 57*6ff6d951SJohn Birrell extern size_t dt_buf_offset(const dt_buf_t *, size_t); 58*6ff6d951SJohn Birrell extern size_t dt_buf_len(const dt_buf_t *); 59*6ff6d951SJohn Birrell 60*6ff6d951SJohn Birrell extern int dt_buf_error(const dt_buf_t *); 61*6ff6d951SJohn Birrell extern void *dt_buf_ptr(const dt_buf_t *); 62*6ff6d951SJohn Birrell 63*6ff6d951SJohn Birrell extern void *dt_buf_claim(dtrace_hdl_t *, dt_buf_t *); 64*6ff6d951SJohn Birrell 65*6ff6d951SJohn Birrell #ifdef __cplusplus 66*6ff6d951SJohn Birrell } 67*6ff6d951SJohn Birrell #endif 68*6ff6d951SJohn Birrell 69*6ff6d951SJohn Birrell #endif /* _DT_BUF_H */ 70