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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _MISC_H
#define _MISC_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* This file contains declarations pertaining to the miscellaneous routines.
*/
#include <setjmp.h>
#include <termios.h>
/*
* Define macros bzero and bcopy for convenience
*/
#ifndef bzero
#define bzero(p, n) (void) memset((p), 0, (n))
#endif
#ifndef bcopy
#define bcopy(src, dst, n) (void) memcpy((dst), (src), (n))
#endif
#ifndef bcmp
#define bcmp(p1, p2, n) memcmp((p1), (p2), (n))
#endif
/*
* Minimum and maximum macros
*/
#ifndef min
#define min(x, y) ((x) < (y) ? (x) : (y))
#endif /* min */
#ifndef max
#define max(x, y) ((x) > (y) ? (x) : (y))
#endif /* max */
/*
* This defines the structure of a saved environment. It consists of the
* environment itself, a pointer to the next environment on the stack, and
* flags to tell whether the environment is active, etc.
*/
struct env {
jmp_buf env; /* environment buf */
struct env *ptr; /* ptr to next on list */
char flags; /* flags */
};
extern struct env *current_env;
/*
* This macro saves the current environment in the given structure and
* pushes the structure onto our enivornment stack. It initializes the
* flags to zero (inactive).
*/
#define saveenv(x) { \
x.ptr = current_env; \
current_env = &x; \
(void) setjmp(x.env); \
x.flags = 0; \
}
/*
* This macro marks the environment on the top of the stack active. It
* assumes that there is an environment on the stack.
*/
#define useenv() (current_env->flags |= ENV_USE)
/*
* This macro marks the environment on the top of the stack inactive. It
* assumes that there is an environment on the stack.
*/
#define unuseenv() (current_env->flags &= ~ENV_USE)
/*
* This macro pops an environment off the top of the stack. It
* assumes that there is an environment on the stack.
*/
#define clearenv() (current_env = current_env->ptr)
/*
* These are the flags for the environment struct.
*/
#define ENV_USE 0x01 /* active */
#define ENV_CRITICAL 0x02 /* in critical zone */
#define ENV_ABORT 0x04 /* abort pending */
/*
* This structure is used to keep track of the state of the tty. This
* is necessary because some of the commands turn off echoing.
*/
struct ttystate {
struct termios ttystate; /* buffer for ioctls */
int ttyflags; /* changes to tty state */
int ttyfile; /* file for ioctls */
int vmin; /* min read satisfier */
int vtime; /* read timing */
};
/*
* ttyflags - changes we can make to the tty state.
*/
#define TTY_ECHO_OFF 0x01 /* turned echo off */
#define TTY_CBREAK_ON 0x02 /* turned cbreak on */
/*
* This is the number lines assumed for the tty. It is designed to work
* on terminals as well as sun monitors.
*/
#define TTY_LINES 24
/*
* format parameter to dump()
*/
#define HEX_ONLY 0 /* print hex only */
#define HEX_ASCII 1 /* hex and ascii */
/*
* Prototypes for ANSI C
*/
void *zalloc(int count);
void *rezalloc(void *ptr, int count);
void destroy_data(char *data);
int check(char *question);
void cmdabort(int sig);
void onsusp(int sig);
void onalarm(int sig);
void fullabort(void) __NORETURN;
void enter_critical(void);
void exit_critical(void);
void echo_off(void);
void echo_on(void);
void charmode_on(void);
void charmode_off(void);
char *alloc_string(char *s);
char **build_argvlist(char **, int *, int *, char *);
int conventional_name(char *name);
#ifdef i386
int emcpower_name(char *name);
#endif
#if defined(_FIRMWARE_NEEDS_FDISK)
int fdisk_physical_name(char *name);
#endif /* defined(_FIRMWARE_NEEDS_FDISK) */
int whole_disk_name(char *name);
int canonical_name(char *name);
int canonical4x_name(char *name);
void canonicalize_name(char *dst, char *src);
int match_substr(char *s1, char *s2);
void dump(char *, caddr_t, int, int);
float bn2mb(uint64_t);
diskaddr_t mb2bn(float);
float bn2gb(uint64_t);
float bn2tb(uint64_t);
diskaddr_t gb2bn(float);
int get_tty_lines();
/*
* Macro to handle internal programming errors that
* should "never happen".
*/
#define impossible(msg) {err_print("Internal error: file %s, line %d: %s\n", \
__FILE__, __LINE__, msg); \
fullabort(); }
extern char *confirm_list[];
/*
* This defines the size of the blind selection verfication prompt
*/
#define BLIND_SELECT_VER_PROMPT (43 + MAXNAMELEN)
#ifdef __cplusplus
}
#endif
#endif /* _MISC_H */
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