123 lines
2.9 KiB
C++
123 lines
2.9 KiB
C++
/***
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Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: FileAttrs.Unix.cpp
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Date: 2023-2-4
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Author: Reece
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***/
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#include <Source/RuntimeInternal.hpp>
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#include "FS.hpp"
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#include "FileAttrs.Unix.hpp"
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#include <sys/types.h>
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#include <sys/xattr.h>
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namespace Aurora::IO::FS
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{
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AUKN_SYM AuList<AuString> FileAttrsList(const AuString &path)
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{
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static const auto kLength = 10 * 1024;
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AuString buffer;
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auto srcPath = NormalizePathRet(path);
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if (srcPath.empty())
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{
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return {};
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}
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if (!AuTryResize(buffer, kLength))
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{
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SysPushErrorMemory();
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return {};
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}
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auto length = ::listxattr(srcPath.c_str(), buffer.data(), buffer.size());
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if (length < 0)
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{
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SysPushErrorIO("Error listing attributes");
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return {};
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}
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if (!AuTryResize(buffer, length))
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{
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SysPushErrorMemory();
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return {};
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}
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return AuSplitString(buffer, "\00");
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}
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AUKN_SYM AuResult<AuByteBuffer> FileAttrsGet(const AuString &path, const AuString &attr)
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{
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AuByteBuffer buffer;
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auto srcPath = NormalizePathRet(path);
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if (srcPath.empty())
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{
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return {};
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}
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auto length = ::getxattr(srcPath.c_str(), attr.c_str(), nullptr, 0);
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if (length < 0)
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{
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SysPushErrorIO("Error reading attribute");
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return {};
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}
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if (!length)
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{
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return AuMove(buffer);
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}
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if (!AuTryResize(buffer, length))
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{
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SysPushErrorMemory();
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return {};
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}
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length = ::getxattr(srcPath.c_str(), attr.c_str(), buffer.base, length);
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if (length < 0)
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{
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SysPushErrorIO("Error reading attribute");
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return {};
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}
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buffer.writePtr += length;
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return AuMove(buffer);
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}
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AUKN_SYM bool FileAttrsSet(const AuString &path, const AuString &attr, const Memory::MemoryViewRead &view)
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{
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auto srcPath = NormalizePathRet(path);
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if (srcPath.empty())
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{
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return false;
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}
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if (::setxattr(srcPath.c_str(), attr.c_str(), view.ptr, view.length, XATTR_CREATE) == -1)
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{
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if (errno == EEXIST)
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{
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if (::setxattr(srcPath.c_str(), attr.c_str(), view.ptr, view.length, XATTR_REPLACE) == -1)
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{
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SysPushErrorIO();
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return false;
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}
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}
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}
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return true;
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}
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AUKN_SYM bool FileAttrsDel(const AuString &path, const AuString &attr)
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{
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auto srcPath = NormalizePathRet(path);
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if (srcPath.empty())
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{
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return false;
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}
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return (::removexattr(srcPath.c_str(), attr.c_str()) == 0) ||
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(errno == ENODATA);
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}
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} |