/* $OpenBSD: stand.h,v 1.15 1996/12/08 15:15:57 niklas 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 #include #include #include "saioctl.h" #include "saerrno.h" #ifndef NULL #define NULL 0 #endif struct open_file; struct stat; /* * Useful macros */ #define NENTS(x) sizeof(x)/sizeof(x[0]) /* don't define if libker 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[] */ struct consw { char *name; /* console driver name */ int (*cn_probe) __P((void)); /* probe device for presence */ void (*cn_putc) __P((int c)); /* print char */ int (*cn_getc) __P((void)); /* read char */ int (*cn_ischar) __P((void)); /* check input */ }; extern struct consw consw[]; extern int ncons; 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) ((c) - 'A' + 'a') #define toupper(c) ((c) - 'a' + 'A') #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((unsigned int)); void free __P((void *, unsigned 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 *)); void *memset __P((void *, int, size_t)); void exec __P((char *, void *, int)); void execz __P((void *, void *, int)); 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)); ssize_t zread __P((int, void *, size_t)); /* for execz */ 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)); void putchar __P((int)); int getchar __P((void)); /* Machine dependent functions */ int devopen __P((struct open_file *, const char *, char **)); void machdep_exec __P((char *, int, char *, char *, char *)); time_t getsecs __P((void)); void putc __P((int)); int getc __P((void)); int ischar __P((void));