projects / micropolis / blame
| Commit | Line | Data |
|---|---|---|
| 6a5fa4e0 MG |
1 | /* |
| 2 | * dirent.h -- | |
| 3 | * | |
| 4 | * Declarations of a library of directory-reading procedures | |
| 5 | * in the POSIX style ("struct dirent"). | |
| 6 | * | |
| 7 | * Copyright 1991 Regents of the University of California | |
| 8 | * Permission to use, copy, modify, and distribute this | |
| 9 | * software and its documentation for any purpose and without | |
| 10 | * fee is hereby granted, provided that this copyright | |
| 11 | * notice appears in all copies. The University of California | |
| 12 | * makes no representations about the suitability of this | |
| 13 | * software for any purpose. It is provided "as is" without | |
| 14 | * express or implied warranty. | |
| 15 | * | |
| 16 | * $Header: /sprite/src/lib/tcl/compat/RCS/dirent2.h,v 1.1 91/09/19 16:22:08 ouster Exp $ SPRITE (Berkeley) | |
| 17 | */ | |
| 18 | ||
| 19 | #ifndef _DIRENT | |
| 20 | #define _DIRENT | |
| 21 | ||
| 22 | #ifndef _TCL | |
| 23 | #include <tcl.h> | |
| 24 | #endif | |
| 25 | ||
| 26 | /* | |
| 27 | * Dirent structure, which holds information about a single | |
| 28 | * directory entry. | |
| 29 | */ | |
| 30 | ||
| 31 | #define MAXNAMLEN 255 | |
| 32 | #define DIRBLKSIZ 512 | |
| 33 | ||
| 34 | struct dirent { | |
| 35 | long d_ino; /* Inode number of entry */ | |
| 36 | short d_reclen; /* Length of this record */ | |
| 37 | short d_namlen; /* Length of string in d_name */ | |
| 38 | char d_name[MAXNAMLEN + 1]; /* Name must be no longer than this */ | |
| 39 | }; | |
| 40 | ||
| 41 | /* | |
| 42 | * State that keeps track of the reading of a directory (clients | |
| 43 | * should never look inside this structure; the fields should | |
| 44 | * only be accessed by the library procedures). | |
| 45 | */ | |
| 46 | ||
| 47 | typedef struct _dirdesc { | |
| 48 | int dd_fd; | |
| 49 | long dd_loc; | |
| 50 | long dd_size; | |
| 51 | char dd_buf[DIRBLKSIZ]; | |
| 52 | } DIR; | |
| 53 | ||
| 54 | /* | |
| 55 | * Procedures defined for reading directories: | |
| 56 | */ | |
| 57 | ||
| 58 | extern void closedir _ANSI_ARGS_((DIR *dirp)); | |
| 59 | extern DIR * opendir _ANSI_ARGS_((char *name)); | |
| 60 | extern struct dirent * readdir _ANSI_ARGS_((DIR *dirp)); | |
| 61 | ||
| 62 | #endif /* _DIRENT */ |