1*a864dc36Sdarran /* 2*a864dc36Sdarran * CDDL HEADER START 3*a864dc36Sdarran * 4*a864dc36Sdarran * The contents of this file are subject to the terms of the 5*a864dc36Sdarran * Common Development and Distribution License, Version 1.0 only 6*a864dc36Sdarran * (the "License"). You may not use this file except in compliance 7*a864dc36Sdarran * with the License. 8*a864dc36Sdarran * 9*a864dc36Sdarran * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*a864dc36Sdarran * or http://www.opensolaris.org/os/licensing. 11*a864dc36Sdarran * See the License for the specific language governing permissions 12*a864dc36Sdarran * and limitations under the License. 13*a864dc36Sdarran * 14*a864dc36Sdarran * When distributing Covered Code, include this CDDL HEADER in each 15*a864dc36Sdarran * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*a864dc36Sdarran * If applicable, add the following below this CDDL HEADER, with the 17*a864dc36Sdarran * fields enclosed by brackets "[]" replaced with your own identifying 18*a864dc36Sdarran * information: Portions Copyright [yyyy] [name of copyright owner] 19*a864dc36Sdarran * 20*a864dc36Sdarran * CDDL HEADER END 21*a864dc36Sdarran */ 22*a864dc36Sdarran /* 23*a864dc36Sdarran * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*a864dc36Sdarran * Use is subject to license terms. 25*a864dc36Sdarran */ 26*a864dc36Sdarran 27*a864dc36Sdarran #ifndef _DT_BUF_H 28*a864dc36Sdarran #define _DT_BUF_H 29*a864dc36Sdarran 30*a864dc36Sdarran #pragma ident "%Z%%M% %I% %E% SMI" 31*a864dc36Sdarran 32*a864dc36Sdarran #ifdef __cplusplus 33*a864dc36Sdarran extern "C" { 34*a864dc36Sdarran #endif 35*a864dc36Sdarran 36*a864dc36Sdarran #include <dtrace.h> 37*a864dc36Sdarran 38*a864dc36Sdarran typedef struct dt_buf { 39*a864dc36Sdarran const char *dbu_name; /* string name for debugging */ 40*a864dc36Sdarran uchar_t *dbu_buf; /* buffer base address */ 41*a864dc36Sdarran uchar_t *dbu_ptr; /* current buffer location */ 42*a864dc36Sdarran size_t dbu_len; /* buffer size in bytes */ 43*a864dc36Sdarran int dbu_err; /* errno value if error */ 44*a864dc36Sdarran int dbu_resizes; /* number of resizes */ 45*a864dc36Sdarran } dt_buf_t; 46*a864dc36Sdarran 47*a864dc36Sdarran extern void dt_buf_create(dtrace_hdl_t *, dt_buf_t *, const char *, size_t); 48*a864dc36Sdarran extern void dt_buf_destroy(dtrace_hdl_t *, dt_buf_t *); 49*a864dc36Sdarran extern void dt_buf_reset(dtrace_hdl_t *, dt_buf_t *); 50*a864dc36Sdarran 51*a864dc36Sdarran extern void dt_buf_write(dtrace_hdl_t *, dt_buf_t *, 52*a864dc36Sdarran const void *, size_t, size_t); 53*a864dc36Sdarran 54*a864dc36Sdarran extern void dt_buf_concat(dtrace_hdl_t *, dt_buf_t *, 55*a864dc36Sdarran const dt_buf_t *, size_t); 56*a864dc36Sdarran 57*a864dc36Sdarran extern size_t dt_buf_offset(const dt_buf_t *, size_t); 58*a864dc36Sdarran extern size_t dt_buf_len(const dt_buf_t *); 59*a864dc36Sdarran 60*a864dc36Sdarran extern int dt_buf_error(const dt_buf_t *); 61*a864dc36Sdarran extern void *dt_buf_ptr(const dt_buf_t *); 62*a864dc36Sdarran 63*a864dc36Sdarran extern void *dt_buf_claim(dtrace_hdl_t *, dt_buf_t *); 64*a864dc36Sdarran 65*a864dc36Sdarran #ifdef __cplusplus 66*a864dc36Sdarran } 67*a864dc36Sdarran #endif 68*a864dc36Sdarran 69*a864dc36Sdarran #endif /* _DT_BUF_H */ 70