1178479Sjb/* 2178479Sjb * CDDL HEADER START 3178479Sjb * 4178479Sjb * The contents of this file are subject to the terms of the 5178479Sjb * Common Development and Distribution License, Version 1.0 only 6178479Sjb * (the "License"). You may not use this file except in compliance 7178479Sjb * with the License. 8178479Sjb * 9178479Sjb * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10178479Sjb * or http://www.opensolaris.org/os/licensing. 11178479Sjb * See the License for the specific language governing permissions 12178479Sjb * and limitations under the License. 13178479Sjb * 14178479Sjb * When distributing Covered Code, include this CDDL HEADER in each 15178479Sjb * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16178479Sjb * If applicable, add the following below this CDDL HEADER, with the 17178479Sjb * fields enclosed by brackets "[]" replaced with your own identifying 18178479Sjb * information: Portions Copyright [yyyy] [name of copyright owner] 19178479Sjb * 20178479Sjb * CDDL HEADER END 21178479Sjb */ 22178479Sjb/* 23178479Sjb * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24178479Sjb * Use is subject to license terms. 25178479Sjb */ 26178479Sjb 27178479Sjb#ifndef _DT_BUF_H 28178479Sjb#define _DT_BUF_H 29178479Sjb 30178479Sjb#pragma ident "%Z%%M% %I% %E% SMI" 31178479Sjb 32178479Sjb#ifdef __cplusplus 33178479Sjbextern "C" { 34178479Sjb#endif 35178479Sjb 36178479Sjb#include <dtrace.h> 37178479Sjb 38178479Sjbtypedef struct dt_buf { 39178479Sjb const char *dbu_name; /* string name for debugging */ 40178479Sjb uchar_t *dbu_buf; /* buffer base address */ 41178479Sjb uchar_t *dbu_ptr; /* current buffer location */ 42178479Sjb size_t dbu_len; /* buffer size in bytes */ 43178479Sjb int dbu_err; /* errno value if error */ 44178479Sjb int dbu_resizes; /* number of resizes */ 45178479Sjb} dt_buf_t; 46178479Sjb 47178479Sjbextern void dt_buf_create(dtrace_hdl_t *, dt_buf_t *, const char *, size_t); 48178479Sjbextern void dt_buf_destroy(dtrace_hdl_t *, dt_buf_t *); 49178479Sjbextern void dt_buf_reset(dtrace_hdl_t *, dt_buf_t *); 50178479Sjb 51178479Sjbextern void dt_buf_write(dtrace_hdl_t *, dt_buf_t *, 52178479Sjb const void *, size_t, size_t); 53178479Sjb 54178479Sjbextern void dt_buf_concat(dtrace_hdl_t *, dt_buf_t *, 55178479Sjb const dt_buf_t *, size_t); 56178479Sjb 57178479Sjbextern size_t dt_buf_offset(const dt_buf_t *, size_t); 58178479Sjbextern size_t dt_buf_len(const dt_buf_t *); 59178479Sjb 60178479Sjbextern int dt_buf_error(const dt_buf_t *); 61178479Sjbextern void *dt_buf_ptr(const dt_buf_t *); 62178479Sjb 63178479Sjbextern void *dt_buf_claim(dtrace_hdl_t *, dt_buf_t *); 64178479Sjb 65178479Sjb#ifdef __cplusplus 66178479Sjb} 67178479Sjb#endif 68178479Sjb 69178479Sjb#endif /* _DT_BUF_H */ 70