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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/NonnullRefPtrVector.h>
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#include <Kernel/FileSystem/FileDescription.h>
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#include <Kernel/FileSystem/VirtualFileSystem.h>
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#include <Kernel/Process.h>
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namespace Kernel {
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KResultOr<int> Process::sys$fstat(int fd, Userspace<stat*> user_statbuf)
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{
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REQUIRE_PROMISE(stdio);
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auto description = file_description(fd);
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if (!description)
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return EBADF;
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stat buffer = {};
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int rc = description->stat(buffer);
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if (!copy_to_user(user_statbuf, &buffer))
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return EFAULT;
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return rc;
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}
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KResultOr<int> Process::sys$stat(Userspace<const Syscall::SC_stat_params*> user_params)
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{
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REQUIRE_PROMISE(rpath);
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Syscall::SC_stat_params params;
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if (!copy_from_user(¶ms, user_params))
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return EFAULT;
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auto path = get_syscall_path_argument(params.path);
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if (path.is_error())
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return path.error();
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auto metadata_or_error = VFS::the().lookup_metadata(path.value(), current_directory(), params.follow_symlinks ? 0 : O_NOFOLLOW_NOERROR);
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if (metadata_or_error.is_error())
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return metadata_or_error.error();
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stat statbuf;
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auto result = metadata_or_error.value().stat(statbuf);
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if (result.is_error())
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return result;
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if (!copy_to_user(params.statbuf, &statbuf))
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return EFAULT;
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return 0;
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}
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}
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