| 1 | /* $Id: OS2KIO.h,v 1.2 2001-09-26 03:52:35 bird Exp $
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| 2 | *
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| 3 | * OS/2 kernel I/O: prototypes, typedefs and macros.
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| 4 | *
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| 5 | * Copyright (c) 1999-2001 knut st. osmundsen (kosmunds@csc.com)
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| 6 | *
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| 7 | * Project Odin Software License can be found in LICENSE.TXT
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| 8 | *
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| 9 | */
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| 10 |
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| 11 | #ifndef _OS2KIO_h_
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| 12 | #define _OS2KIO_h_
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| 13 |
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| 14 |
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| 15 | /**
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| 16 | * Opens a given file.
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| 17 | * @returns NO_ERROR on success. OS/2 error code on error.
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| 18 | * @param pszFilename Pointer to filename.
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| 19 | * @param flOpenFlags Open flags. (similar to DosOpen)
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| 20 | * @param fsOpenMode Open mode flags. (similar to DosOpen)
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| 21 | * @param phFile Pointer to filehandle.
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| 22 | * @param pulsomething 16-bit near (?) pointer to a variable - unknown. NULL is allowed. EA?
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| 23 | */
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| 24 | APIRET KRNLCALL IOSftOpen(
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| 25 | PSZ pszFilename,
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| 26 | ULONG flOpenFlags,
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| 27 | ULONG fsOpenMode,
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| 28 | PSFN phFile,
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| 29 | PULONG pulsomething
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| 30 | );
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| 31 | APIRET KRNLCALL OrgIOSftOpen(
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| 32 | PSZ pszFilename,
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| 33 | ULONG flOpenFlags,
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| 34 | ULONG fsOpenMode,
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| 35 | PSFN phFile,
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| 36 | PULONG pulsomething
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| 37 | );
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| 38 |
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| 39 |
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| 40 | /**
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| 41 | * Closes the specified file.
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| 42 | * @returns NO_ERROR on success. OS/2 error code on error.
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| 43 | * @param hFile File handle - System File Number.
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| 44 | */
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| 45 | APIRET KRNLCALL IOSftClose(
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| 46 | SFN hFile
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| 47 | );
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| 48 | APIRET KRNLCALL OrgIOSftClose(
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| 49 | SFN hFile
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| 50 | );
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| 51 |
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| 52 |
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| 53 | /**
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| 54 | * Probably this function will expand a relative path to a full path.
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| 55 | * @returns NO_ERROR on success. OS/2 error code on error.
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| 56 | * @param pszPath Pointer to path to expand. Contains the full path upon return. (?)
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| 57 | * This buffer should probably be of CCHMAXPATH length.
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| 58 | */
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| 59 | APIRET KRNLCALL IOSftTransPath(
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| 60 | PSZ pszPath
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| 61 | );
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| 62 | APIRET KRNLCALL OrgIOSftTransPath(
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| 63 | PSZ pszPath
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| 64 | );
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| 65 |
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| 66 |
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| 67 | /**
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| 68 | * Read at a given offset in the a file.
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| 69 | * @returns NO_ERROR on success. OS/2 error code on error.
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| 70 | * @param hFile File handle - System File Number.
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| 71 | * @param pcbActual Pointer to variable which upon input holds the number
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| 72 | * of bytes to read, on output the actual number of bytes read.
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| 73 | * @param pvBuffer Pointer to the read buffer.
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| 74 | * @param flFlags Read flags?
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| 75 | * @param ulOffset File offset to read from. (0=start of file)
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| 76 | */
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| 77 | APIRET KRNLCALL IOSftReadAt(
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| 78 | SFN hFile,
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| 79 | PULONG pcbActual,
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| 80 | PVOID pvBuffer,
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| 81 | ULONG flFlags,
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| 82 | ULONG ulOffset
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| 83 | );
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| 84 | APIRET KRNLCALL OrgIOSftReadAt(
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| 85 | SFN hFile,
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| 86 | PULONG pcbActual,
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| 87 | PVOID pvBuffer,
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| 88 | ULONG flFlags,
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| 89 | ULONG ulOffset
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| 90 | );
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| 91 |
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| 92 |
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| 93 | /**
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| 94 | * Write at a given offset in the a file.
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| 95 | * @returns NO_ERROR on success. OS/2 error code on error.
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| 96 | * @param hFile File handle - System File Number.
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| 97 | * @param pcbActual Pointer to variable which upon input holds the number
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| 98 | * of bytes to write, on output the actual number of bytes write.
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| 99 | * @param pvBuffer Pointer to the write buffer.
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| 100 | * @param flFlags Read flags?
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| 101 | * @param ulOffset File offset to write from. (0=start of file)
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| 102 | */
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| 103 | APIRET KRNLCALL IOSftWriteAt(
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| 104 | SFN hFile,
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| 105 | PULONG pcbActual,
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| 106 | PVOID pvBuffer,
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| 107 | ULONG flFlags,
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| 108 | ULONG ulOffset
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| 109 | );
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| 110 | APIRET KRNLCALL OrgIOSftWriteAt(
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| 111 | SFN hFile,
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| 112 | PULONG pcbActual,
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| 113 | PVOID pvBuffer,
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| 114 | ULONG flFlags,
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| 115 | ULONG ulOffset
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| 116 | );
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| 117 |
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| 118 |
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| 119 | /**
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| 120 | * Gets the filesize.
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| 121 | * @returns NO_ERROR on success; OS/2 error code on error.
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| 122 | * @param hFile File handle - System File Number.
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| 123 | * @param pcbFile Pointer to ULONG which will hold the file size upon return.
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| 124 | */
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| 125 | APIRET KRNLCALL SftFileSize(
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| 126 | SFN hFile,
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| 127 | PULONG pcbFile
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| 128 | );
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| 129 | APIRET KRNLCALL OrgSftFileSize(
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| 130 | SFN hFile,
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| 131 | PULONG pcbFile
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| 132 | );
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| 133 |
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| 134 | #endif
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