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/*
* Copyright (c) 1998 Michael Smith.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD: release/9.1.0/lib/libstand/stand.h 223905 2011-07-10 07:25:34Z avatar $
* From $NetBSD: stand.h,v 1.22 1997/06/26 19:17:40 drochner 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.
* 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
*/
#ifndef STAND_H
#define STAND_H
#include <sys/types.h>
#include <sys/cdefs.h>
#include <sys/stat.h>
#include <sys/dirent.h>
/* this header intentionally exports NULL from <string.h> */
#include <string.h>
#define CHK(fmt, args...) printf("%s(%d): " fmt "\n", __func__, __LINE__ , ##args)
#define PCHK(fmt, args...) {printf("%s(%d): " fmt "\n", __func__, __LINE__ , ##args); getchar();}
/* Avoid unwanted userlandish components */
#define _KERNEL
#include <sys/errno.h>
#undef _KERNEL
/* special stand error codes */
#define EADAPT (ELAST+1) /* bad adaptor */
#define ECTLR (ELAST+2) /* bad controller */
#define EUNIT (ELAST+3) /* bad unit */
#define ESLICE (ELAST+4) /* bad slice */
#define EPART (ELAST+5) /* bad partition */
#define ERDLAB (ELAST+6) /* can't read disk label */
#define EUNLAB (ELAST+7) /* unlabeled disk */
#define EOFFSET (ELAST+8) /* relative seek not supported */
#define ESALAST (ELAST+8) /* */
struct open_file;
/*
* This structure is used to define file system operations in a file system
* independent way.
*
* XXX note that filesystem providers should export a pointer to their fs_ops
* struct, so that consumers can reference this and thus include the
* filesystems that they require.
*/
struct fs_ops {
const char *fs_name;
int (*fo_open)(const char *path, struct open_file *f);
int (*fo_close)(struct open_file *f);
int (*fo_read)(struct open_file *f, void *buf,
size_t size, size_t *resid);
int (*fo_write)(struct open_file *f, void *buf,
size_t size, size_t *resid);
off_t (*fo_seek)(struct open_file *f, off_t offset, int where);
int (*fo_stat)(struct open_file *f, struct stat *sb);
int (*fo_readdir)(struct open_file *f, struct dirent *d);
};
/*
* libstand-supplied filesystems
*/
extern struct fs_ops ufs_fsops;
extern struct fs_ops tftp_fsops;
extern struct fs_ops nfs_fsops;
extern struct fs_ops cd9660_fsops;
extern struct fs_ops gzipfs_fsops;
extern struct fs_ops bzipfs_fsops;
extern struct fs_ops dosfs_fsops;
extern struct fs_ops ext2fs_fsops;
extern struct fs_ops splitfs_fsops;
/* 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 {
const char dv_name[8];
int dv_type; /* opaque type constant, arch-dependant */
int (*dv_init)(void); /* early probe call */
int (*dv_strategy)(void *devdata, int rw, daddr_t blk, size_t size,
char *buf, size_t *rsize);
int (*dv_open)(struct open_file *f, ...);
int (*dv_close)(struct open_file *f);
int (*dv_ioctl)(struct open_file *f, u_long cmd, void *data);
void (*dv_print)(int verbose); /* print device information */
void (*dv_cleanup)(void);
};
/*
* libstand-supplied device switch
*/
extern struct devsw netdev;
extern int errno;
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 */
char *f_rabuf; /* readahead buffer pointer */
size_t f_ralen; /* valid data in readahead buffer */
off_t f_raoffset; /* consumer offset in readahead buffer */
#define SOPEN_RASIZE 512
};
#define SOPEN_MAX 64
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 isascii(c) (((c) & ~0x7F) == 0)
static __inline int isupper(int c)
{
return c >= 'A' && c <= 'Z';
}
static __inline int islower(int c)
{
return c >= 'a' && c <= 'z';
}
static __inline int isspace(int c)
{
return c == ' ' || (c >= 0x9 && c <= 0xd);
}
static __inline int isdigit(int c)
{
return c >= '0' && c <= '9';
}
static __inline int isxdigit(int c)
{
return isdigit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F');
}
static __inline int isalpha(int c)
{
return isupper(c) || islower(c);
}
static __inline int isalnum(int c)
{
return isalpha(c) || isdigit(c);
}
static __inline int toupper(int c)
{
return islower(c) ? c - 'a' + 'A' : c;
}
static __inline int tolower(int c)
{
return isupper(c) ? c - 'A' + 'a' : c;
}
/* sbrk emulation */
extern void setheap(void *base, void *top);
extern char *sbrk(int incr);
/* Matt Dillon's zalloc/zmalloc */
extern void *malloc(size_t bytes);
extern void free(void *ptr);
/*#define free(p) {CHK("free %p", p); free(p);} */ /* use for catching guard violations */
extern void *calloc(size_t n1, size_t n2);
extern void *realloc(void *ptr, size_t size);
extern void *reallocf(void *ptr, size_t size);
extern void mallocstats(void);
extern int printf(const char *fmt, ...) __printflike(1, 2);
extern void vprintf(const char *fmt, __va_list);
extern int sprintf(char *buf, const char *cfmt, ...) __printflike(2, 3);
extern void vsprintf(char *buf, const char *cfmt, __va_list);
extern void twiddle(void);
extern void ngets(char *, int);
#define gets(x) ngets((x), 0)
extern int fgetstr(char *buf, int size, int fd);
extern int open(const char *, int);
#define O_RDONLY 0x0
#define O_WRONLY 0x1
#define O_RDWR 0x2
extern int close(int);
extern void closeall(void);
extern ssize_t read(int, void *, size_t);
extern ssize_t write(int, void *, size_t);
extern struct dirent *readdirfd(int);
extern void srandom(u_long seed);
extern u_long random(void);
/* imports from stdlib, locally modified */
extern long strtol(const char *, char **, int);
extern char *optarg; /* getopt(3) external variables */
extern int optind, opterr, optopt, optreset;
extern int getopt(int, char * const [], const char *);
/* pager.c */
extern void pager_open(void);
extern void pager_close(void);
extern int pager_output(const char *lines);
extern int pager_file(const char *fname);
/* No signal state to preserve */
#define setjmp _setjmp
#define longjmp _longjmp
/* environment.c */
#define EV_DYNAMIC (1<<0) /* value was dynamically allocated, free if changed/unset */
#define EV_VOLATILE (1<<1) /* value is volatile, make a copy of it */
#define EV_NOHOOK (1<<2) /* don't call hook when setting */
struct env_var;
typedef char *(ev_format_t)(struct env_var *ev);
typedef int (ev_sethook_t)(struct env_var *ev, int flags,
const void *value);
typedef int (ev_unsethook_t)(struct env_var *ev);
struct env_var
{
char *ev_name;
int ev_flags;
void *ev_value;
ev_sethook_t *ev_sethook;
ev_unsethook_t *ev_unsethook;
struct env_var *ev_next, *ev_prev;
};
extern struct env_var *environ;
extern struct env_var *env_getenv(const char *name);
extern int env_setenv(const char *name, int flags,
const void *value, ev_sethook_t sethook,
ev_unsethook_t unsethook);
extern char *getenv(const char *name);
extern int setenv(const char *name, const char *value,
int overwrite);
extern int putenv(const char *string);
extern int unsetenv(const char *name);
extern ev_sethook_t env_noset; /* refuse set operation */
extern ev_unsethook_t env_nounset; /* refuse unset operation */
/* BCD conversions (undocumented) */
extern u_char const bcd2bin_data[];
extern u_char const bin2bcd_data[];
extern char const hex2ascii_data[];
#define bcd2bin(bcd) (bcd2bin_data[bcd])
#define bin2bcd(bin) (bin2bcd_data[bin])
#define hex2ascii(hex) (hex2ascii_data[hex])
/* min/max (undocumented) */
static __inline int imax(int a, int b) { return (a > b ? a : b); }
static __inline int imin(int a, int b) { return (a < b ? a : b); }
static __inline long lmax(long a, long b) { return (a > b ? a : b); }
static __inline long lmin(long a, long b) { return (a < b ? a : b); }
static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); }
static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); }
static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); }
static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); }
static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); }
static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); }
/* swaps (undocumented, useful?) */
#ifdef __i386__
extern u_int32_t bswap32(u_int32_t x);
extern u_int64_t bswap64(u_int64_t x);
#endif
/* null functions for device/filesystem switches (undocumented) */
extern int nodev(void);
extern int noioctl(struct open_file *, u_long, void *);
extern void nullsys(void);
extern int null_open(const char *path, struct open_file *f);
extern int null_close(struct open_file *f);
extern int null_read(struct open_file *f, void *buf, size_t size, size_t *resid);
extern int null_write(struct open_file *f, void *buf, size_t size, size_t *resid);
extern off_t null_seek(struct open_file *f, off_t offset, int where);
extern int null_stat(struct open_file *f, struct stat *sb);
extern int null_readdir(struct open_file *f, struct dirent *d);
/*
* Machine dependent functions and data, must be provided or stubbed by
* the consumer
*/
extern int getchar(void);
extern int ischar(void);
extern void putchar(int);
extern int devopen(struct open_file *, const char *, const char **);
extern int devclose(struct open_file *f);
extern void panic(const char *, ...) __dead2 __printflike(1, 2);
extern struct fs_ops *file_system[];
extern struct devsw *devsw[];
/*
* Expose byteorder(3) functions.
*/
#ifndef _BYTEORDER_PROTOTYPED
#define _BYTEORDER_PROTOTYPED
extern uint32_t htonl(uint32_t);
extern uint16_t htons(uint16_t);
extern uint32_t ntohl(uint32_t);
extern uint16_t ntohs(uint16_t);
#endif
#ifndef _BYTEORDER_FUNC_DEFINED
#define _BYTEORDER_FUNC_DEFINED
#define htonl(x) __htonl(x)
#define htons(x) __htons(x)
#define ntohl(x) __ntohl(x)
#define ntohs(x) __ntohs(x)
#endif
void *Malloc(size_t, const char *, int);
void *Calloc(size_t, size_t, const char *, int);
void *Realloc(void *, size_t, const char *, int);
void Free(void *, const char *, int);
#if 1
#define malloc(x) Malloc(x, __FILE__, __LINE__)
#define calloc(x, y) Calloc(x, y, __FILE__, __LINE__)
#define free(x) Free(x, __FILE__, __LINE__)
#define realloc(x, y) Realloc(x, y, __FILE__, __LINE__)
#else
#define malloc(x) Malloc(x, NULL, 0)
#define calloc(x, y) Calloc(x, y, NULL, 0)
#define free(x) Free(x, NULL, 0)
#define realloc(x, y) Realloc(x, y, NULL, 0)
#endif
#endif /* STAND_H */