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https://github.com/apple/swift-foundation.git
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60506f3af4
Rationale: _CShims will effectivly become semi-public in the toolchain. We add the Foundation prefix to make it less generic.
90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2022 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#ifndef IOShims_h
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#define IOShims_h
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#include "_CShimsTargetConditionals.h"
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#if TARGET_OS_MAC && (!defined(TARGET_OS_EXCLAVEKIT) || !TARGET_OS_EXCLAVEKIT)
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#include <stdio.h>
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#include <sys/attr.h>
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// See getattrlist for an explanation of the layout of these structs.
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#pragma pack(push, 1)
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typedef struct PreRenameAttributes {
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u_int32_t length;
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fsobj_type_t fileType;
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u_int32_t mode;
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attrreference_t fullPathAttr;
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u_int32_t nlink;
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char fullPathBuf[PATH_MAX];
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} PreRenameAttributes;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct FullPathAttributes {
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u_int32_t length;
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attrreference_t fullPathAttr;
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char fullPathBuf[PATH_MAX];
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} FullPathAttributes;
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#pragma pack(pop)
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#endif // TARGET_OS_EXCLAVEKIT
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#if TARGET_OS_WINDOWS
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#include <stddef.h>
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// Replicated from ntifs.h
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// https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/ntifs/ns-ntifs-_reparse_data_buffer
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typedef struct _REPARSE_DATA_BUFFER {
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unsigned long ReparseTag;
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unsigned short ReparseDataLength;
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unsigned short Reserved;
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union {
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struct {
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unsigned short SubstituteNameOffset;
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unsigned short SubstituteNameLength;
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unsigned short PrintNameOffset;
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unsigned short PrintNameLength;
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unsigned long Flags;
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short PathBuffer[1];
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} SymbolicLinkReparseBuffer;
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struct {
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unsigned short SubstituteNameOffset;
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unsigned short SubstituteNameLength;
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unsigned short PrintNameOffset;
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unsigned short PrintNameLength;
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short PathBuffer[1];
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} MountPointReparseBuffer;
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struct {
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unsigned char DataBuffer[1];
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} GenericReparseBuffer;
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};
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} REPARSE_DATA_BUFFER;
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static inline intptr_t _ioshims_reparse_data_buffer_symboliclinkreparsebuffer_pathbuffer_offset(void) {
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return offsetof(struct _REPARSE_DATA_BUFFER, SymbolicLinkReparseBuffer.PathBuffer);
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}
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static inline intptr_t _ioshims_reparse_data_buffer_mountpointreparsebuffer_pathbuffer_offset(void) {
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return offsetof(struct _REPARSE_DATA_BUFFER, MountPointReparseBuffer.PathBuffer);
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}
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#endif
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#endif /* IOShims_h */
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