| 1 | /*
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| 2 | * fcntl.h
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| 3 | * This file has no copyright assigned and is placed in the Public Domain.
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| 4 | * This file is a part of the mingw-runtime package.
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| 5 | * No warranty is given; refer to the file DISCLAIMER within the package.
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| 6 | *
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| 7 | * Access constants for _open. Note that the permissions constants are
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| 8 | * in sys/stat.h (ick).
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| 9 | *
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| 10 | */
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| 11 | #ifndef _FCNTL_H_
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| 12 | #define _FCNTL_H_
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| 13 |
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| 14 | /* All the headers include this file. */
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| 15 | #include <_mingw.h>
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| 16 |
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| 17 | /*
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| 18 | * It appears that fcntl.h should include io.h for compatibility...
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| 19 | */
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| 20 | #include <io.h>
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| 21 |
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| 22 | /* Specifiy one of these flags to define the access mode. */
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| 23 | #define _O_RDONLY 0
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| 24 | #define _O_WRONLY 1
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| 25 | #define _O_RDWR 2
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| 26 |
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| 27 | /* Mask for access mode bits in the _open flags. */
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| 28 | #define _O_ACCMODE (_O_RDONLY|_O_WRONLY|_O_RDWR)
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| 29 |
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| 30 | #define _O_APPEND 0x0008 /* Writes will add to the end of the file. */
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| 31 |
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| 32 | #define _O_RANDOM 0x0010
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| 33 | #define _O_SEQUENTIAL 0x0020
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| 34 | #define _O_TEMPORARY 0x0040 /* Make the file dissappear after closing.
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| 35 | * WARNING: Even if not created by _open! */
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| 36 | #define _O_NOINHERIT 0x0080
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| 37 |
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| 38 | #define _O_CREAT 0x0100 /* Create the file if it does not exist. */
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| 39 | #define _O_TRUNC 0x0200 /* Truncate the file if it does exist. */
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| 40 | #define _O_EXCL 0x0400 /* Open only if the file does not exist. */
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| 41 |
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| 42 | #define _O_SHORT_LIVED 0x1000
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| 43 |
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| 44 | /* NOTE: Text is the default even if the given _O_TEXT bit is not on. */
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| 45 | #define _O_TEXT 0x4000 /* CR-LF in file becomes LF in memory. */
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| 46 | #define _O_BINARY 0x8000 /* Input and output is not translated. */
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| 47 | #define _O_RAW _O_BINARY
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| 48 |
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| 49 | #if (__MSVCRT_VERSION__ >= 0x0800)
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| 50 | #define _O_WTEXT 0x10000
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| 51 | #define _O_U16TEXT 0x20000
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| 52 | #define _O_U8TEXT 0x40000
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| 53 | #endif
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| 54 |
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| 55 | #ifndef _NO_OLDNAMES
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| 56 |
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| 57 | /* POSIX/Non-ANSI names for increased portability */
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| 58 | #define O_RDONLY _O_RDONLY
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| 59 | #define O_WRONLY _O_WRONLY
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| 60 | #define O_RDWR _O_RDWR
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| 61 | #define O_ACCMODE _O_ACCMODE
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| 62 | #define O_APPEND _O_APPEND
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| 63 | #define O_CREAT _O_CREAT
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| 64 | #define O_TRUNC _O_TRUNC
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| 65 | #define O_EXCL _O_EXCL
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| 66 | #define O_TEXT _O_TEXT
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| 67 | #define O_BINARY _O_BINARY
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| 68 | #define O_TEMPORARY _O_TEMPORARY
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| 69 | #define O_NOINHERIT _O_NOINHERIT
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| 70 | #define O_SEQUENTIAL _O_SEQUENTIAL
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| 71 | #define O_RANDOM _O_RANDOM
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| 72 |
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| 73 | #endif /* Not _NO_OLDNAMES */
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| 74 |
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| 75 | #endif /* Not _FCNTL_H_ */
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