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