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771
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1 /* definitions for 4.2BSD-compatible directory access
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2
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3 This file is part of XEmacs.
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428
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4
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5 XEmacs is free software; you can redistribute it and/or modify it
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6 under the terms of the GNU General Public License as published by the
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7 Free Software Foundation; either version 2, or (at your option) any
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8 later version.
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9
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10 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with XEmacs; see the file COPYING. If not, write to
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17 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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18 Boston, MA 02111-1307, USA. */
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19
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20 /* Synched up with: FSF 19.30. */
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21
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22 #ifndef INCLUDED_ndir_h_
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23 #define INCLUDED_ndir_h_
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24
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25 #define DIRBLKSIZ 512 /* size of directory block */
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442
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26 #ifdef WIN32_NATIVE
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771
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27 #define MAXNAMLEN 4095
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442
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28 #else /* not WIN32_NATIVE */
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428
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29 #define MAXNAMLEN 15 /* maximum filename length */
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442
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30 #endif /* not WIN32_NATIVE */
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428
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31 /* NOTE: MAXNAMLEN must be one less than a multiple of 4 */
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32
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33 struct direct /* data from readdir() */
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34 {
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35 long d_ino; /* inode number of entry */
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36 unsigned short d_reclen; /* length of this record */
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37 unsigned short d_namlen; /* length of string in d_name */
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38 char d_name[MAXNAMLEN+1]; /* name of file */
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39 };
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40
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41 typedef struct
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42 {
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43 int dd_fd; /* file descriptor */
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44 int dd_loc; /* offset in block */
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45 int dd_size; /* amount of valid data */
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46 char dd_buf[DIRBLKSIZ]; /* directory block */
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47 } DIR; /* stream data from opendir() */
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48
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771
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49 #ifdef WIN32_NATIVE
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50
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51 DIR *mswindows_opendir (const Intbyte *filename);
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52 int mswindows_closedir (DIR *dirp);
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53 struct direct *mswindows_readdir (DIR *dirp);
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54
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55 #else /* not WIN32_NATIVE */
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56
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57 DIR *opendir (const Extbyte *filename);
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428
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58 int closedir (DIR *dirp);
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59 struct direct *readdir (DIR *dirp);
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60 struct direct *readdirver (DIR *dirp);
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61 long telldir (DIR *dirp);
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62 void seekdir (DIR *dirp, long loc);
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63
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64 #define rewinddir( dirp ) seekdir( dirp, 0L )
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65
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66 #endif /* WIN32_NATIVE */
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67
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440
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68 #endif /* INCLUDED_ndir_h_ */
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