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/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
/*
* Header for internal stat()/fstat() assist functions.
*
*/
#ifndef __XSTAT_H
#define __XSTAT_H
#include <stdio.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dpmi.h>
/* Some errno.h headers do not define EFAULT. Here the value is
taken from POSIX IEEE 1003.1. */
#include <errno.h>
#ifndef EFAULT
#define EFAULT 14
#endif
/* Under MS-DOS, file access permissions are shared by all, except for
Write permission. */
#define READ_ACCESS (S_IRUSR | S_IRGRP | S_IROTH)
#define WRITE_ACCESS S_IWUSR
#define EXEC_ACCESS (S_IXUSR | S_IXGRP | S_IXOTH)
/* Macro to convert a segment and an offset to a "far offset" suitable
for _farxxx() functions of DJGPP. */
#ifndef MK_FOFF
#define MK_FOFF(s,o) ((int)((((unsigned long)(s)) << 4) + (unsigned short)(o)))
#endif
#define MAX_TRUE_NAME FILENAME_MAX
extern unsigned short _osmajor, _osminor;
extern const char * _os_flavor;
/* Bits to flag f?stat() failed to use individual undocumented features. */
#define _STFAIL_SDA 1 /* Get SDA call failed */
#define _STFAIL_OSVER 2 /* Unsupported DOS version */
#define _STFAIL_BADSDA 4 /* Bad pointer to SDA */
#define _STFAIL_TRUENAME 8 /* _truename() failed */
#define _STFAIL_HASH 0x10 /* inode defaults to hashing */
#define _STFAIL_LABEL 0x20 /* Root dir, but no volume label */
#define _STFAIL_DCOUNT 0x40 /* dirent_count ridiculously large */
#define _STFAIL_WRITEBIT 0x80 /* fstat() failed to get write access bit */
#define _STFAIL_DEVNO 0x100 /* fstat() failed to get device number */
#define _STFAIL_BADSFT 0x200 /* SFT entry found, but can't be trusted */
#define _STFAIL_SFTIDX 0x400 /* bad SFT index in JFT */
#define _STFAIL_SFTNF 0x800 /* file entry not found in SFT array */
extern unsigned short _djstat_fail_bits;
extern unsigned short _djstat_flags;
extern time_t _file_time_stamp(unsigned int);
extern ino_t _invent_inode(const char *, unsigned, unsigned long);
extern unsigned short _get_magic(const char *, int);
extern unsigned short _get_dos_version(int);
extern char * _truename(const char *, char *);
extern int _is_remote_drive(int);
extern int _is_executable(const char *, int, const char *);
extern short _get_dev_info(int);
extern long __filelength(int);
extern int _is_remote_handle(int);
extern void _djstat_describe_lossage(FILE *);
extern int _getftime(int, unsigned int *);
#endif /* __XSTAT_H */
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