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/*
* Oracle Linux DTrace.
* Copyright (c) 2019, 2025, Oracle and/or its affiliates. All rights reserved.
* Licensed under the Universal Permissive License v 1.0 as shown at
* http://oss.oracle.com/licenses/upl.
*/
#ifndef _DT_VERSION_H
#define _DT_VERSION_H
#ifdef __cplusplus
extern "C" {
#endif
#include <dt_ident.h>
#include "dt_versions_defs.h"
/*
* Interfaces for parsing and handling DTrace version strings. Version binding
* is a feature of the D compiler that is handled completely independently of
* the DTrace kernel infrastructure, so the definitions are here in libdtrace.
* Version strings are compiled into an encoded uint32_t which can be compared
* using C comparison operators.
*/
#define DT_VERSION_STRMAX 16 /* enough for "255.4095.4095\0" */
#define DT_VERSION_MAJMAX 0xFF /* maximum major version number */
#define DT_VERSION_MINMAX 0xFFF /* maximum minor version number */
#define DT_VERSION_MICMAX 0xFFF /* maximum micro version number */
#define DT_VERSION_NUMBER(M, m, u) \
((((M) & 0xFF) << 24) | (((m) & 0xFFF) << 12) | ((u) & 0xFFF))
#define DT_VERSION_MAJOR(v) (((v) & 0xFF000000) >> 24)
#define DT_VERSION_MINOR(v) (((v) & 0x00FFF000) >> 12)
#define DT_VERSION_MICRO(v) ((v) & 0x00000FFF)
typedef uint32_t dt_version_t;
extern const dt_version_t _dtrace_versions[];
extern const char *const _dtrace_version;
extern char *dt_version_num2str(dt_version_t, char *, size_t);
extern int dt_version_str2num(const char *, dt_version_t *);
extern int dt_version_defined(dt_version_t);
extern int dt_str2kver(const char *, dt_version_t *);
#ifdef __cplusplus
}
#endif
#endif /* _DT_VERSION_H */
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