16ff6d951SJohn Birrell /* 26ff6d951SJohn Birrell * CDDL HEADER START 36ff6d951SJohn Birrell * 46ff6d951SJohn Birrell * The contents of this file are subject to the terms of the 56ff6d951SJohn Birrell * Common Development and Distribution License, Version 1.0 only 66ff6d951SJohn Birrell * (the "License"). You may not use this file except in compliance 76ff6d951SJohn Birrell * with the License. 86ff6d951SJohn Birrell * 96ff6d951SJohn Birrell * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 106ff6d951SJohn Birrell * or http://www.opensolaris.org/os/licensing. 116ff6d951SJohn Birrell * See the License for the specific language governing permissions 126ff6d951SJohn Birrell * and limitations under the License. 136ff6d951SJohn Birrell * 146ff6d951SJohn Birrell * When distributing Covered Code, include this CDDL HEADER in each 156ff6d951SJohn Birrell * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 166ff6d951SJohn Birrell * If applicable, add the following below this CDDL HEADER, with the 176ff6d951SJohn Birrell * fields enclosed by brackets "[]" replaced with your own identifying 186ff6d951SJohn Birrell * information: Portions Copyright [yyyy] [name of copyright owner] 196ff6d951SJohn Birrell * 206ff6d951SJohn Birrell * CDDL HEADER END 216ff6d951SJohn Birrell */ 226ff6d951SJohn Birrell /* 236ff6d951SJohn Birrell * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 246ff6d951SJohn Birrell * Use is subject to license terms. 256ff6d951SJohn Birrell */ 266ff6d951SJohn Birrell 276ff6d951SJohn Birrell #ifndef _DT_BUF_H 286ff6d951SJohn Birrell #define _DT_BUF_H 296ff6d951SJohn Birrell 306ff6d951SJohn Birrell #pragma ident "%Z%%M% %I% %E% SMI" 316ff6d951SJohn Birrell 326ff6d951SJohn Birrell #ifdef __cplusplus 336ff6d951SJohn Birrell extern "C" { 346ff6d951SJohn Birrell #endif 356ff6d951SJohn Birrell 366ff6d951SJohn Birrell #include <dtrace.h> 376ff6d951SJohn Birrell 386ff6d951SJohn Birrell typedef struct dt_buf { 396ff6d951SJohn Birrell const char *dbu_name; /* string name for debugging */ 406ff6d951SJohn Birrell uchar_t *dbu_buf; /* buffer base address */ 416ff6d951SJohn Birrell uchar_t *dbu_ptr; /* current buffer location */ 426ff6d951SJohn Birrell size_t dbu_len; /* buffer size in bytes */ 436ff6d951SJohn Birrell int dbu_err; /* errno value if error */ 446ff6d951SJohn Birrell int dbu_resizes; /* number of resizes */ 456ff6d951SJohn Birrell } dt_buf_t; 466ff6d951SJohn Birrell 476ff6d951SJohn Birrell extern void dt_buf_create(dtrace_hdl_t *, dt_buf_t *, const char *, size_t); 486ff6d951SJohn Birrell extern void dt_buf_destroy(dtrace_hdl_t *, dt_buf_t *); 496ff6d951SJohn Birrell extern void dt_buf_reset(dtrace_hdl_t *, dt_buf_t *); 506ff6d951SJohn Birrell 516ff6d951SJohn Birrell extern void dt_buf_write(dtrace_hdl_t *, dt_buf_t *, 526ff6d951SJohn Birrell const void *, size_t, size_t); 536ff6d951SJohn Birrell 546ff6d951SJohn Birrell extern void dt_buf_concat(dtrace_hdl_t *, dt_buf_t *, 556ff6d951SJohn Birrell const dt_buf_t *, size_t); 566ff6d951SJohn Birrell 576ff6d951SJohn Birrell extern size_t dt_buf_offset(const dt_buf_t *, size_t); 586ff6d951SJohn Birrell extern size_t dt_buf_len(const dt_buf_t *); 596ff6d951SJohn Birrell 606ff6d951SJohn Birrell extern int dt_buf_error(const dt_buf_t *); 616ff6d951SJohn Birrell extern void *dt_buf_ptr(const dt_buf_t *); 626ff6d951SJohn Birrell 636ff6d951SJohn Birrell extern void *dt_buf_claim(dtrace_hdl_t *, dt_buf_t *); 646ff6d951SJohn Birrell 656ff6d951SJohn Birrell #ifdef __cplusplus 666ff6d951SJohn Birrell } 676ff6d951SJohn Birrell #endif 686ff6d951SJohn Birrell 696ff6d951SJohn Birrell #endif /* _DT_BUF_H */ 70