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Annotation of 43BSDTahoe/new/news/src/ndir.h, revision 1.1.1.1

1.1       root        1: /*     @(#)ndir.h      1.7     10/7/87 */
                      2: #if defined(HP9K5)
                      3: /* He should have included it instead of this, but prevent confusion */
                      4: #include <ndir.h>
                      5: #else /* other */
                      6: #ifndef DEV_BSIZE
                      7: #define        DEV_BSIZE       512
                      8: #endif
                      9: #define DIRBLKSIZ      DEV_BSIZE
                     10: #define        MAXNAMLEN       255
                     11: 
                     12: struct direct {
                     13:        long    d_ino;                  /* inode number of entry */
                     14:        short   d_reclen;               /* length of this record */
                     15:        short   d_namlen;               /* length of string in d_name */
                     16:        char    d_name[MAXNAMLEN + 1];  /* name must be no longer than this */
                     17: };
                     18: 
                     19: /*
                     20:  * The DIRSIZ macro gives the minimum record length which will hold
                     21:  * the directory entry.  This requires the amount of space in struct direct
                     22:  * without the d_name field, plus enough space for the name with a terminating
                     23:  * null byte (dp->d_namlen+1), rounded up to a 4 byte boundary.
                     24:  */
                     25: 
                     26: #ifdef DIRSIZ
                     27: #undef DIRSIZ
                     28: #endif /* DIRSIZ */
                     29: #define DIRSIZ(dp) \
                     30:     ((sizeof (struct direct) - (MAXNAMLEN+1)) + (((dp)->d_namlen+1 + 3) &~ 3))
                     31: 
                     32: /*
                     33:  * Definitions for library routines operating on directories.
                     34:  */
                     35: typedef struct _dirdesc {
                     36:        int     dd_fd;
                     37:        long    dd_loc;
                     38:        long    dd_size;
                     39:        char    dd_buf[DIRBLKSIZ];
                     40: } DIR;
                     41: #ifndef NULL
                     42: #define NULL 0
                     43: #endif
                     44: extern DIR *opendir();
                     45: extern struct direct *readdir();
                     46: extern void closedir();
                     47: 
                     48: #define rewinddir(dirp)        seekdir((dirp), (long)0)
                     49: #endif /* other */

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