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212380e3f4
+ branches/release-2.1 -> 2.2 base + 3.0 -> branches/cxxconversion + backport some immediate 3.0 functionality for 2.2 + other stuff
38 lines
968 B
Plaintext
38 lines
968 B
Plaintext
Overview of the file management subsystem
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Adrian Chadd <adrian@creative.net.au>
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$Id: file-management.txt 6 2005-09-10 01:02:21Z nenolod $
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File operations
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---------------
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The file operations are also wrapped through file_open() and file_close()
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which handle calling fd_open() / fd_close() and tracking the filedescriptors
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correctly. fbopen() / fbclose() use file_open() / file_close() too.
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fileio.c defines the functions:
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int
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file_open(const char *filename, int mode, int fmode)
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A wrapper around open(filename, flags, mode). Read the open manpage for
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information. file_open() enforces filedescriptor limits and tags the FD
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through fd_open().
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void
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file_close(int fd)
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A wrapper around close() for files. close() handles fd_close()ing the fd.
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FBFILE *
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fbopen(const char *filename, const char *mode)
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void
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fbclose(FBFILE *fb)
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These are the 'buffered disk IO' routines. You can read the code yourself.
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Note that these routines use file_open() and file_close().
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