mirror of
https://github.com/reactos/reactos.git
synced 2024-11-09 08:08:38 +00:00
c501d8112c
svn path=/branches/aicom-network-fixes/; revision=34994
210 lines
12 KiB
C
210 lines
12 KiB
C
/*
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* PROJECT: ReactOS Kernel
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: ntoskrnl/fsrtl/fsrtlpc.c
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* PURPOSE: Contains initialization and support code for the FsRtl
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* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
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*/
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/* INCLUDES ******************************************************************/
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#include <ntoskrnl.h>
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#define NDEBUG
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#include <debug.h>
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/* GLOBALS *******************************************************************/
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PERESOURCE FsRtlPagingIoResources;
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ULONG FsRtlPagingIoResourceSelector;
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static UCHAR LegalAnsiCharacterArray[] =
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{
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0, /* CTRL+@, 0x00 */
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0, /* CTRL+A, 0x01 */
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0, /* CTRL+B, 0x02 */
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0, /* CTRL+C, 0x03 */
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0, /* CTRL+D, 0x04 */
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0, /* CTRL+E, 0x05 */
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0, /* CTRL+F, 0x06 */
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0, /* CTRL+G, 0x07 */
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0, /* CTRL+H, 0x08 */
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0, /* CTRL+I, 0x09 */
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0, /* CTRL+J, 0x0a */
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0, /* CTRL+K, 0x0b */
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0, /* CTRL+L, 0x0c */
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0, /* CTRL+M, 0x0d */
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0, /* CTRL+N, 0x0e */
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0, /* CTRL+O, 0x0f */
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0, /* CTRL+P, 0x10 */
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0, /* CTRL+Q, 0x11 */
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0, /* CTRL+R, 0x12 */
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0, /* CTRL+S, 0x13 */
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0, /* CTRL+T, 0x14 */
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0, /* CTRL+U, 0x15 */
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0, /* CTRL+V, 0x16 */
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0, /* CTRL+W, 0x17 */
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0, /* CTRL+X, 0x18 */
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0, /* CTRL+Y, 0x19 */
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0, /* CTRL+Z, 0x1a */
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0, /* CTRL+[, 0x1b */
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0, /* CTRL+\, 0x1c */
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0, /* CTRL+], 0x1d */
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0, /* CTRL+^, 0x1e */
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0, /* CTRL+_, 0x1f */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* ` ', 0x20 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `!', 0x21 */
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FSRTL_WILD_CHARACTER, /* `"', 0x22 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `#', 0x23 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `$', 0x24 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `%', 0x25 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `&', 0x26 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `'', 0x27 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `(', 0x28 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `)', 0x29 */
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FSRTL_WILD_CHARACTER, /* `*', 0x2a */
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FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `+', 0x2b */
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FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `,', 0x2c */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `-', 0x2d */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `.', 0x2e */
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0, /* `/', 0x2f */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `0', 0x30 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `1', 0x31 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `2', 0x32 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `3', 0x33 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `4', 0x34 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `5', 0x35 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `6', 0x36 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `7', 0x37 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `8', 0x38 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `9', 0x39 */
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FSRTL_NTFS_LEGAL, /* `:', 0x3a */
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FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `;', 0x3b */
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FSRTL_WILD_CHARACTER, /* `<', 0x3c */
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FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `=', 0x3d */
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FSRTL_WILD_CHARACTER, /* `>', 0x3e */
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FSRTL_WILD_CHARACTER, /* `?', 0x3f */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `@', 0x40 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `A', 0x41 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `B', 0x42 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `C', 0x43 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `D', 0x44 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `E', 0x45 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `F', 0x46 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `G', 0x47 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `H', 0x48 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `I', 0x49 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `J', 0x4a */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `K', 0x4b */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `L', 0x4c */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `M', 0x4d */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `N', 0x4e */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `O', 0x4f */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `P', 0x50 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `Q', 0x51 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `R', 0x52 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `S', 0x53 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `T', 0x54 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `U', 0x55 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `V', 0x56 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `W', 0x57 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `X', 0x58 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `Y', 0x59 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `Z', 0x5a */
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FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `[', 0x5b */
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0, /* `\', 0x5c */
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FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `]', 0x5d */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `^', 0x5e */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `_', 0x5f */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* ``', 0x60 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `a', 0x61 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `b', 0x62 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `c', 0x63 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `d', 0x64 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `e', 0x65 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `f', 0x66 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `g', 0x67 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `h', 0x68 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `i', 0x69 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `j', 0x6a */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `k', 0x6b */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `l', 0x6c */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `m', 0x6d */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `n', 0x6e */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `o', 0x6f */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `p', 0x70 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `q', 0x71 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `r', 0x72 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `s', 0x73 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `t', 0x74 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `u', 0x75 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `v', 0x76 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `w', 0x77 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `x', 0x78 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `y', 0x79 */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `z', 0x7a */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `{', 0x7b */
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0, /* `|', 0x7c */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `}', 0x7d */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL, /* `~', 0x7e */
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FSRTL_FAT_LEGAL | FSRTL_HPFS_LEGAL | FSRTL_NTFS_LEGAL /* 0x7f */
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};
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PUCHAR FsRtlLegalAnsiCharacterArray = LegalAnsiCharacterArray;
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/* PRIVATE FUNCTIONS *********************************************************/
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BOOLEAN
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NTAPI
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FsRtlInitSystem(VOID)
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{
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ULONG i;
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/* Initialize the list for granted locks */
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ExInitializePagedLookasideList(&FsRtlFileLockLookasideList,
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NULL,
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NULL,
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0,
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sizeof(FILE_LOCK),
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IFS_POOL_TAG,
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0);
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/* Allocate the Resource Buffer */
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FsRtlPagingIoResources = FsRtlAllocatePoolWithTag(NonPagedPool,
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FSRTL_MAX_RESOURCES *
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sizeof(ERESOURCE),
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TAG('F', 's', 'R', 'e'));
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/* Initialize the Resources */
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for (i = 0; i < FSRTL_MAX_RESOURCES; i++)
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{
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ExInitializeResource(&FsRtlPagingIoResources[i]);
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}
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return TRUE;
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}
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/* PUBLIC FUNCTIONS **********************************************************/
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/*++
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* @name FsRtlAllocateResource
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* @implemented NT 4.0
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*
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* The FsRtlAllocateResource routine returns a pre-initialized ERESOURCE
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* for use by a File System Driver.
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*
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* @return A Pointer to a pre-initialized ERESOURCE.
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*
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* @remarks The File System Library only provides up to 16 Resources.
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*
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*--*/
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PERESOURCE
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NTAPI
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FsRtlAllocateResource(VOID)
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{
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PAGED_CODE();
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/* Return a preallocated ERESOURCE */
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return &FsRtlPagingIoResources[FsRtlPagingIoResourceSelector++ %
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FSRTL_MAX_RESOURCES];
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}
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