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/*
* fcntl.h
*
* File control
*
* PSXSDK
*/
#ifndef _FCNTL_H
#define _FCNTL_H
#define O_RDONLY 1
#define O_WRONLY 2
#define O_NONBLOCK 4
/** Read locked, not shared. */
#define O_RDLOCK 16
/** Write locked, not shared. */
#define O_WRLOCK 32
#define O_RDWR (O_RDONLY | O_WRONLY)
#define O_APPEND 256
#define O_CREAT 512
#define O_TRUNC 1024
/** Obviously, O_EXCL has no effect in the PSXSDK. */
#define O_EXCL 0
/** The following are PlayStation BIOS extensions. */
/** Set to scanning type. Real purpose unknown. */
#define O_SCAN 4096
/** Setup for remote command entry. Real purpose unknown. */
#define O_RCOM 8192
/** No buffering and console interrupt */
#define O_NOBUF 16384
/** Asynchronous I/O mode */
#define O_NOWAIT 32768
/** Asynchronous I/O mode, alias */
#define O_ASYNC O_NOWAIT
/**
* These are standard C library file I/O functions provided by the PSX BIOS.
* Filenames have to be specified in this way:
* [device]:[filename]
*
* Where device specifies the device the file is on:
* "tty:" Console
* "cdrom:" CD-ROM
* "buXX:" Memory cards
*
* When using cdrom: as device, append file version (;1) to filename
* Example: cdrom:README.TXT;1
*
* Subdirectory paths have to be specified with backslashes (\),
* like MS-DOS. Read and write operations can be carried only in blocks.
* Blocks are 2048 bytes for the CD-ROM device, and 128 bytes for memory cards.
*/
// The third argument (file mode) makes no sense in PSXSDK,
// and will be ignored.
#define open(filename, flags, ...) \
open(filename, flags)
/** In previous versions, the second argument for open()
was named `mode'. That was incorrect; now it is correctly named `flags'.
*/
int open(const char *filename, int flags);
int read(int d, void *buf, int nbytes);
int close(int d);
int lseek(int fildes, int offset, int whence);
#endif
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