stand.h revision 1.30
1 /* $NetBSD: stand.h,v 1.30 1999/02/22 10:08:42 simonb Exp $ */ 2 3 /*- 4 * Copyright (c) 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)stand.h 8.1 (Berkeley) 6/11/93 36 */ 37 38 #include <sys/types.h> 39 #include <sys/cdefs.h> 40 #include <sys/stat.h> 41 #include "saioctl.h" 42 #include "saerrno.h" 43 44 #ifndef NULL 45 #define NULL 0 46 #endif 47 48 #ifdef LIBSA_USE_MEMSET 49 #define bzero(s, l) memset(s, 0, l) 50 #endif 51 #ifdef LIBSA_USE_MEMCPY 52 #define bcopy(s, d, l) memcpy(d, s, l) /* For non-overlapping copies only */ 53 #endif 54 55 struct open_file; 56 57 /* 58 * This structure is used to define file system operations in a file system 59 * independent way. 60 */ 61 struct fs_ops { 62 int (*open) __P((char *path, struct open_file *f)); 63 int (*close) __P((struct open_file *f)); 64 int (*read) __P((struct open_file *f, void *buf, 65 size_t size, size_t *resid)); 66 int (*write) __P((struct open_file *f, void *buf, 67 size_t size, size_t *resid)); 68 off_t (*seek) __P((struct open_file *f, off_t offset, int where)); 69 int (*stat) __P((struct open_file *f, struct stat *sb)); 70 }; 71 72 extern struct fs_ops file_system[]; 73 extern int nfsys; 74 75 /* where values for lseek(2) */ 76 #define SEEK_SET 0 /* set file offset to offset */ 77 #define SEEK_CUR 1 /* set file offset to current plus offset */ 78 #define SEEK_END 2 /* set file offset to EOF plus offset */ 79 80 /* Device switch */ 81 struct devsw { 82 char *dv_name; 83 int (*dv_strategy) __P((void *devdata, int rw, 84 daddr_t blk, size_t size, 85 void *buf, size_t *rsize)); 86 int (*dv_open) __P((struct open_file *f, ...)); 87 int (*dv_close) __P((struct open_file *f)); 88 int (*dv_ioctl) __P((struct open_file *f, u_long cmd, void *data)); 89 }; 90 91 extern struct devsw devsw[]; /* device array */ 92 extern int ndevs; /* number of elements in devsw[] */ 93 94 struct open_file { 95 int f_flags; /* see F_* below */ 96 struct devsw *f_dev; /* pointer to device operations */ 97 void *f_devdata; /* device specific data */ 98 struct fs_ops *f_ops; /* pointer to file system operations */ 99 void *f_fsdata; /* file system specific data */ 100 off_t f_offset; /* current file offset (F_RAW) */ 101 }; 102 103 #define SOPEN_MAX 4 104 extern struct open_file files[]; 105 106 /* f_flags values */ 107 #define F_READ 0x0001 /* file opened for reading */ 108 #define F_WRITE 0x0002 /* file opened for writing */ 109 #define F_RAW 0x0004 /* raw device open - no file system */ 110 #define F_NODEV 0x0008 /* network open - no device */ 111 112 #define isupper(c) ((c) >= 'A' && (c) <= 'Z') 113 #define tolower(c) ((c) - 'A' + 'a') 114 #define isspace(c) ((c) == ' ' || (c) == '\t') 115 #define isdigit(c) ((c) >= '0' && (c) <= '9') 116 117 int devopen __P((struct open_file *, const char *, char **)); 118 #ifdef HEAP_VARIABLE 119 void setheap __P((void *, void *)); 120 #endif 121 void *alloc __P((unsigned int)); 122 void free __P((void *, unsigned int)); 123 struct disklabel; 124 char *getdisklabel __P((const char *, struct disklabel *)); 125 int dkcksum __P((struct disklabel *)); 126 127 void printf __P((const char *, ...)); 128 int sprintf __P((char *, const char *, ...)); 129 int snprintf __P((char *, size_t, const char *, ...)); 130 void vprintf __P((const char *, _BSD_VA_LIST_)); 131 int vsprintf __P((char *, const char *, _BSD_VA_LIST_)); 132 int vsnprintf __P((char *, size_t, const char *, _BSD_VA_LIST_)); 133 void twiddle __P((void)); 134 void gets __P((char *)); 135 int getfile __P((char *prompt, int mode)); 136 char *strerror __P((int)); 137 __dead void panic __P((const char *, ...)) __attribute__((noreturn)); 138 __dead void _rtt __P((void)) __attribute__((noreturn)); 139 void bcopy __P((const void *, void *, size_t)); 140 void *memcpy __P((void *, const void *, size_t)); 141 int memcmp __P((const void *, const void *, size_t)); 142 void exec __P((char *, char *, int)); 143 int open __P((const char *, int)); 144 int close __P((int)); 145 void closeall __P((void)); 146 ssize_t read __P((int, void *, size_t)); 147 ssize_t write __P((int, void *, size_t)); 148 off_t lseek __P((int, off_t, int)); 149 int ioctl __P((int, u_long, char *)); 150 151 int nodev __P((void)); 152 int noioctl __P((struct open_file *, u_long, void *)); 153 void nullsys __P((void)); 154 155 int null_open __P((char *path, struct open_file *f)); 156 int null_close __P((struct open_file *f)); 157 ssize_t null_read __P((struct open_file *f, void *buf, 158 size_t size, size_t *resid)); 159 ssize_t null_write __P((struct open_file *f, void *buf, 160 size_t size, size_t *resid)); 161 off_t null_seek __P((struct open_file *f, off_t offset, int where)); 162 int null_stat __P((struct open_file *f, struct stat *sb)); 163 164 /* Machine dependent functions */ 165 void machdep_start __P((char *, int, char *, char *, char *)); 166 int getchar __P((void)); 167 void putchar __P((int)); 168 169 #ifdef __INTERNAL_LIBSA_CREAD 170 int oopen __P((const char *, int)); 171 int oclose __P((int)); 172 ssize_t oread __P((int, void *, size_t)); 173 off_t olseek __P((int, off_t, int)); 174 #endif 175
Indexes created Sun Sep 28 07:09:56 GMT 2025