33 lines
917 B
C++
33 lines
917 B
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_unlink(Registers*, SyscallArgs args)
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{
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auto path = TRY(MemoryManager::strdup_from_user(args[0]));
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int flags = (int)args[1];
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Thread* current = Scheduler::current();
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PathParser parser = TRY(PathParser::create(path.chars()));
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auto dirname = TRY(parser.dirname());
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auto basename = TRY(parser.basename());
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if (basename.view() == ".") return err(EINVAL);
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auto inode = TRY(VFS::resolve_path(dirname.chars(), current->auth, current->current_directory));
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if (!VFS::can_write(inode, current->auth)) return err(EACCES);
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if (flags > 0)
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{
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auto child = TRY(inode->find(basename.chars()));
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if (child->type() != VFS::InodeType::Directory) return err(ENOTDIR);
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}
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TRY(inode->remove_entry(basename.chars()));
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return 0;
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}
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