/[svn]/ircd-hybrid/doc/technical/file-management.txt
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Contents of /ircd-hybrid/doc/technical/file-management.txt

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Revision 30 - (show annotations)
Sun Oct 2 20:03:27 2005 UTC (13 years, 10 months ago) by adx
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- imported sources
- can be moved later according to the directory/branching scheme,
  but we need the svn up

1 Overview of the file management subsystem
2 Adrian Chadd <adrian@creative.net.au>
3
4 $Id: file-management.txt,v 1.2 2003/10/13 02:15:20 metalrock Exp $
5
6 File operations
7 ---------------
8
9 The file operations are also wrapped through file_open() and file_close()
10 which handle calling fd_open() / fd_close() and tracking the filedescriptors
11 correctly. fbopen() / fbclose() use file_open() / file_close() too.
12
13 fileio.c defines the functions:
14
15 int
16 file_open(const char *filename, int mode, int fmode)
17
18 A wrapper around open(filename, flags, mode). Read the open manpage for
19 information. file_open() enforces filedescriptor limits and tags the FD
20 through fd_open().
21
22 void
23 file_close(int fd)
24
25 A wrapper around close() for files. close() handles fd_close()ing the fd.
26
27
28 FBFILE *
29 fbopen(const char *filename, const char *mode)
30
31 void
32 fbclose(FBFILE *fb)
33
34 These are the 'buffered disk IO' routines. You can read the code yourself.
35 Note that these routines use file_open() and file_close().

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