Luna/kernel/src/sys/mkdir.cpp

#include "Log.h"
#include "Pledge.h"
#include "fs/VFS.h"
#include "memory/MemoryManager.h"
#include "sys/Syscall.h"
#include "thread/Scheduler.h"

Result<u64> sys_mkdir(Registers*, SyscallArgs args)
{
    auto path = TRY(MemoryManager::strdup_from_user(args[0]));
    mode_t mode = (mode_t)args[1];

    Thread* current = Scheduler::current();
    TRY(check_pledge(current, Promise::p_cpath));

    auto inode =
        TRY(VFS::create_directory(path.chars(), mode & ~current->umask, current->auth, current->current_directory));
    auto metadata = inode->metadata();
    metadata.uid = current->auth.euid;
    metadata.gid = current->auth.egid;
    TRY(inode->set_metadata(metadata));

    return 0;
}