Function SysReadDirNext

Kernel/src/arch/x86_64/syscalls.cpp:757–785

* SysReadDirNext(fd, direntPointer) - Read directory using the file descriptor offset as an index * * fd - File descriptor of directory * direntPointer - Pointer to fs_dirent_t * * Return Value: * 1 on Success * 0 on End of directory * Negative value on failure * */

 * 
 */
long SysReadDirNext(regs64_t* r){
	unsigned int fd = SC_ARG0(r);
	if(fd > Scheduler::GetCurrentProcess()->fileDescriptors.get_length()){
		return -EBADF;
	} 
	
	fs_dirent_t* direntPointer = (fs_dirent_t*)SC_ARG1(r);
	fs_fd_t* handle = Scheduler::GetCurrentProcess()->fileDescriptors[fd];

	if(!handle){
		return -EBADF;
	}

	if(!Memory::CheckUsermodePointer((uintptr_t)direntPointer, sizeof(fs_dirent_t), Scheduler::GetCurrentProcess()->addressSpace)){
		return -EFAULT;
	}

	if((Scheduler::GetCurrentProcess()->fileDescriptors[fd]->node->flags & FS_NODE_TYPE) != FS_NODE_DIRECTORY){
		return -ENOTDIR;
	}

	DirectoryEntry tempent;
	int ret = fs::ReadDir(handle, &tempent, handle->pos++);

	strcpy(direntPointer->name, tempent.name);
	direntPointer->type = tempent.flags;

	return ret;
}

long SysRenameAt(regs64_t* r){
	Log::Warning("SysRenameAt is a stub!");