src/util/fileutil.h

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #ifndef OPENAFS_FILEUTIL_H
  11 #define OPENAFS_FILEUTIL_H
  12
  13 /* File-oriented utility functions */
  14
  15 /* Path normalization routines */
  16 #define FPN_FORWARD_SLASHES 1
  17 #define FPN_BACK_SLASHES    2
  18
  19 extern void
  20   FilepathNormalizeEx(char *path, int slashType);
  21
  22 /* Just a wrapper for FilepathNormalizeEx(path, FPN_FORWARD_SLASHES); */
  23 extern void
  24   FilepathNormalize(char *path);
  25
  26 /*
  27  * Data structure used to implement buffered I/O. We cannot
  28  * use fopen in the fileserver because the file descriptor
  29  * in the FILE structure only has 8 bits.
  30  */
  31 typedef int BUFIO_FD;
  32 #define BUFIO_INVALID_FD (-1)
  33
  34 #define BUFIO_BUFSIZE 4096
  35
  36 typedef struct {
  37     BUFIO_FD fd;
  38     int pos;
  39     int len;
  40     int eof;
  41     char buf[BUFIO_BUFSIZE];
  42 } bufio_t, *bufio_p;
  43
  44 /* Open a file for buffered I/O */
  45 extern bufio_p BufioOpen(char *path, int oflag, int mode);
  46
  47 /* Read the next line of a file */
  48 extern int
  49   BufioGets(bufio_p bp, char *buf, int len);
  50
  51 /* Close a buffered I/O handle */
  52 extern int
  53   BufioClose(bufio_p bp);
  54
  55 #endif /* OPENAFS_FILEUTIL_H */