mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
1.7 KiB
68 lines
1.7 KiB
/*
|
|
<dirent.h> -- definitions for SVR3 directory access routines
|
|
|
|
last edit: 25-Apr-1987 D A Gwyn
|
|
|
|
Prerequisite: <sys/types.h>
|
|
*/
|
|
|
|
#ifndef _PAX_DIRENT_H
|
|
#define _PAX_DIRENT_H
|
|
|
|
#include "config.h"
|
|
#ifdef USG
|
|
#define UFS
|
|
#else
|
|
#ifdef BSD
|
|
#define BFS
|
|
#endif
|
|
#endif
|
|
|
|
struct dirent { /* data from getdents()/readdir() */
|
|
long d_ino; /* inode number of entry */
|
|
off_t d_off; /* offset of disk directory entry */
|
|
unsigned short d_reclen; /* length of this record */
|
|
char d_name[1]; /* name of file (non-POSIX) */
|
|
};
|
|
|
|
typedef struct {
|
|
int dd_fd; /* file descriptor */
|
|
int dd_loc; /* offset in block */
|
|
int dd_size; /* amount of valid data */
|
|
char *dd_buf; /* -> directory block */
|
|
} DIR; /* stream data from opendir() */
|
|
|
|
|
|
/*
|
|
* The following nonportable ugliness could have been avoided by defining
|
|
* DIRENTSIZ and DIRENTBASESIZ to also have (struct dirent *) arguments.
|
|
*/
|
|
#define DIRENTBASESIZ (((struct dirent *)0)->d_name \
|
|
- (char *)&((struct dirent *)0)->d_ino)
|
|
#define DIRENTSIZ( namlen ) ((DIRENTBASESIZ + sizeof(long) + (namlen)) \
|
|
/ sizeof(long) * sizeof(long))
|
|
|
|
#define MAXNAMLEN 512 /* maximum filename length */
|
|
|
|
#ifndef NAME_MAX
|
|
#define NAME_MAX (MAXNAMLEN - 1) /* DAG -- added for POSIX */
|
|
#endif
|
|
|
|
#define DIRBUF 8192 /* buffer size for fs-indep. dirs */
|
|
/* must in general be larger than the filesystem buffer size */
|
|
|
|
#ifdef __STDC__ /* Xn */
|
|
extern DIR *opendir(char *);
|
|
extern struct dirent *readdir(DIR *);
|
|
extern OFFSET telldir(DIR *);
|
|
extern void seekdir(DIR *, OFFSET);
|
|
extern int closedir(DIR *);
|
|
#else /* Xn */
|
|
extern DIR *opendir();
|
|
extern struct dirent *readdir();
|
|
extern OFFSET telldir();
|
|
extern void seekdir();
|
|
extern int closedir();
|
|
#endif /* Xn */
|
|
|
|
#endif /* _PAX_DIRENT_H */
|