dt_buf.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _DT_BUF_H
#define _DT_BUF_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include <dtrace.h>
typedef struct dt_buf {
const char *dbu_name; /* string name for debugging */
uchar_t *dbu_buf; /* buffer base address */
uchar_t *dbu_ptr; /* current buffer location */
size_t dbu_len; /* buffer size in bytes */
int dbu_err; /* errno value if error */
int dbu_resizes; /* number of resizes */
} dt_buf_t;
extern void dt_buf_create(dtrace_hdl_t *, dt_buf_t *, const char *, size_t);
extern void dt_buf_destroy(dtrace_hdl_t *, dt_buf_t *);
extern void dt_buf_reset(dtrace_hdl_t *, dt_buf_t *);
extern void dt_buf_write(dtrace_hdl_t *, dt_buf_t *,
const void *, size_t, size_t);
extern void dt_buf_concat(dtrace_hdl_t *, dt_buf_t *,
const dt_buf_t *, size_t);
extern size_t dt_buf_offset(const dt_buf_t *, size_t);
extern size_t dt_buf_len(const dt_buf_t *);
extern int dt_buf_error(const dt_buf_t *);
extern void *dt_buf_ptr(const dt_buf_t *);
extern void *dt_buf_claim(dtrace_hdl_t *, dt_buf_t *);
#ifdef __cplusplus
}
#endif
#endif /* _DT_BUF_H */