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/* $OpenBSD: stand.h,v 1.35 1998/07/29 00:38:36 mickey Exp $ */
/* $NetBSD: stand.h,v 1.18 1996/11/30 04:35:51 gwr Exp $ */
/*-
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)stand.h 8.1 (Berkeley) 6/11/93
*/
#include <sys/types.h>
#include <sys/cdefs.h>
#include <sys/stat.h>
#ifdef __STDC__
#include <machine/stdarg.h>
#else
#include <machine/varargs.h>
#endif
#include "saioctl.h"
#include "saerrno.h"
#ifndef NULL
#define NULL 0
#endif
struct open_file;
/*
* Useful macros
*/
#define NENTS(x) sizeof(x)/sizeof(x[0])
/* don't define if libkern included */
#ifndef LIBKERN_INLINE
#define max(a,b) (((a)>(b))? (a) : (b))
#define min(a,b) (((a)>(b))? (b) : (a))
#endif
/*
* This structure is used to define file system operations in a file system
* independent way.
*/
struct fs_ops {
int (*open) __P((char *path, struct open_file *f));
int (*close) __P((struct open_file *f));
int (*read) __P((struct open_file *f, void *buf,
size_t size, size_t *resid));
int (*write) __P((struct open_file *f, void *buf,
size_t size, size_t *resid));
off_t (*seek) __P((struct open_file *f, off_t offset, int where));
int (*stat) __P((struct open_file *f, struct stat *sb));
int (*readdir) __P((struct open_file *f, char *));
};
extern struct fs_ops file_system[];
extern int nfsys;
/* where values for lseek(2) */
#define SEEK_SET 0 /* set file offset to offset */
#define SEEK_CUR 1 /* set file offset to current plus offset */
#define SEEK_END 2 /* set file offset to EOF plus offset */
/* Device switch */
struct devsw {
char *dv_name;
int (*dv_strategy) __P((void *devdata, int rw,
daddr_t blk, size_t size,
void *buf, size_t *rsize));
int (*dv_open) __P((struct open_file *f, ...));
int (*dv_close) __P((struct open_file *f));
int (*dv_ioctl) __P((struct open_file *f, u_long cmd, void *data));
};
extern struct devsw devsw[]; /* device array */
extern int ndevs; /* number of elements in devsw[] */
extern struct consdev constab[];
extern struct consdev *cn_tab;
struct open_file {
int f_flags; /* see F_* below */
struct devsw *f_dev; /* pointer to device operations */
void *f_devdata; /* device specific data */
struct fs_ops *f_ops; /* pointer to file system operations */
void *f_fsdata; /* file system specific data */
off_t f_offset; /* current file offset (F_RAW) */
};
#define SOPEN_MAX 4
extern struct open_file files[];
/* f_flags values */
#define F_READ 0x0001 /* file opened for reading */
#define F_WRITE 0x0002 /* file opened for writing */
#define F_RAW 0x0004 /* raw device open - no file system */
#define F_NODEV 0x0008 /* network open - no device */
#define isupper(c) ((c) >= 'A' && (c) <= 'Z')
#define islower(c) ((c) >= 'a' && (c) <= 'z')
#define isalpha(c) (isupper(c)||islower(c))
#define tolower(c) (isupper(c)?((c) - 'A' + 'a'):(c))
#define toupper(c) (islower(c)?((c) - 'a' + 'A'):(c))
#define isspace(c) ((c) == ' ' || (c) == '\t')
#define isdigit(c) ((c) >= '0' && (c) <= '9')
#define btochs(b,c,h,s,nh,ns) \
c = (b) / ((nh) * (ns)); \
h = ((b) % ((nh) * (ns))) / (ns); \
s = ((b) % ((nh) * (ns))) % (ns);
void *alloc __P((u_int));
void *alloca __P((size_t));
void free __P((void *, u_int));
struct disklabel;
char *getdisklabel __P((const char *, struct disklabel *));
u_int dkcksum __P((struct disklabel *));
void printf __P((const char *, ...));
void sprintf __P((char *, const char *, ...));
void vprintf __P((const char *, _BSD_VA_LIST_));
void twiddle __P((void));
void gets __P((char *));
__dead void panic __P((const char *, ...)) __attribute__((noreturn));
__dead void _rtt __P((void)) __attribute__((noreturn));
#define bzero(s,n) ((void)memset((s),0,(n)))
#define bcmp(s1,s2,n) (memcmp((s2),(s1),(n)))
#define bcopy(s1,s2,n) ((void)memcpy((s2),(s1),(n)))
void *memcpy __P((void *, const void *, size_t));
int memcmp __P((const void *, const void*, size_t));
char *strncpy __P((char *, const char *, size_t));
char *strcpy __P((char *, const char *));
int strncmp __P((const char *, const char *, size_t));
size_t strlen __P((const char *));
long strtol __P((const char *, char **, int));
char *strchr __P((const char *, int));
void *memset __P((void *, int, size_t));
void exec __P((char *, void *, int));
void exit __P((void));
int open __P((const char *, int));
int close __P((int));
void closeall __P((void));
ssize_t read __P((int, void *, size_t));
ssize_t write __P((int, void *, size_t));
int stat __P((const char *path, struct stat *sb));
int fstat __P((int fd, struct stat *sb));
int opendir __P((char *));
int readdir __P((int, char *));
void closedir __P((int));
int nodev __P((void));
int noioctl __P((struct open_file *, u_long, void *));
void nullsys __P((void));
int null_open __P((char *path, struct open_file *f));
int null_close __P((struct open_file *f));
ssize_t null_read __P((struct open_file *f, void *buf,
size_t size, size_t *resid));
ssize_t null_write __P((struct open_file *f, void *buf,
size_t size, size_t *resid));
off_t null_seek __P((struct open_file *f, off_t offset, int where));
int null_stat __P((struct open_file *f, struct stat *sb));
int null_readdir __P((struct open_file *f, char *name));
char *ttyname __P((int)); /* match userland decl, but ignore !0 */
dev_t ttydev __P((char *));
void cninit __P((void));
int cnset __P((dev_t));
void cnputc __P((int));
int cngetc __P((void));
int cnischar __P((void));
int cnspeed __P((dev_t, int));
u_int sleep __P((u_int));
void usleep __P((u_int));
char *ctime __P((const time_t *));
void putchar __P((int));
int getchar __P((void));
#ifdef __INTERNAL_LIBSA_CREAD
int oopen __P((const char *, int));
int oclose __P((int));
ssize_t oread __P((int, void *, size_t));
off_t olseek __P((int, off_t, int));
#endif
/* Machine dependent functions */
int devopen __P((struct open_file *, const char *, char **));
void machdep_start __P((char *, int, char *, char *, char *));
time_t getsecs __P((void));
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