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 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #include <dtrace.h> 37 38 typedef struct dt_buf { 39 const char *dbu_name; /* string name for debugging */ 40 uchar_t *dbu_buf; /* buffer base address */ 41 uchar_t *dbu_ptr; /* current buffer location */ 42 size_t dbu_len; /* buffer size in bytes */ 43 int dbu_err; /* errno value if error */ 44 int dbu_resizes; /* number of resizes */ 45 } dt_buf_t; 46 47 extern void dt_buf_create(dtrace_hdl_t *, dt_buf_t *, const char *, size_t); 48 extern void dt_buf_destroy(dtrace_hdl_t *, dt_buf_t *); 49 extern void dt_buf_reset(dtrace_hdl_t *, dt_buf_t *); 50 51 extern void dt_buf_write(dtrace_hdl_t *, dt_buf_t *, 52 const void *, size_t, size_t); 53 54 extern void dt_buf_concat(dtrace_hdl_t *, dt_buf_t *, 55 const dt_buf_t *, size_t); 56 57 extern size_t dt_buf_offset(const dt_buf_t *, size_t); 58 extern size_t dt_buf_len(const dt_buf_t *); 59 60 extern int dt_buf_error(const dt_buf_t *); 61 extern void *dt_buf_ptr(const dt_buf_t *); 62 63 extern void *dt_buf_claim(dtrace_hdl_t *, dt_buf_t *); 64 65 #ifdef __cplusplus 66 } 67 #endif 68 69 #endif /* _DT_BUF_H */ 70