39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
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#include "memory/MemoryManager.h"
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#include "sys/Syscall.h"
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#include "thread/Scheduler.h"
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#include <luna/PathParser.h>
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Result<u64> sys_chdir(Registers*, SyscallArgs args)
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{
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auto path = TRY(MemoryManager::strdup_from_user(args[0]));
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Thread* current = Scheduler::current();
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if (PathParser::is_absolute(path.view()))
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{
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SharedPtr<VFS::Inode> inode = TRY(VFS::resolve_path(path.chars(), current->auth));
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if (inode->type() != VFS::InodeType::Directory) return err(ENOTDIR);
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current->current_directory = inode;
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current->current_directory_path = move(path);
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return 0;
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}
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else
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{
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SharedPtr<VFS::Inode> inode = TRY(VFS::resolve_path(path.chars(), current->auth, current->current_directory));
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if (inode->type() != VFS::InodeType::Directory) return err(ENOTDIR);
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auto old_wdir = current->current_directory_path.view();
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String new_path = TRY(PathParser::join(old_wdir.is_empty() ? "/"_sv : old_wdir, path.view()));
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current->current_directory = inode;
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current->current_directory_path = move(new_path);
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return 0;
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}
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}
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