ref: f3216125def1dbfa242c274f66e13176425fa41e
dir: /sys/src/ape/cmd/pax/paxdir.h/
/* <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 */ extern DIR *opendir(); extern struct dirent *readdir(); extern OFFSET telldir(); extern void seekdir(); extern int closedir(); #endif /* _PAX_DIRENT_H */