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