/**
function to add each command name from the linked list to the string list.
the resultant list is a double NULL terminated list of NULL terminated strings.
@param[in,out] DestList double pointer to the list. may be NULL.
@param[in,out] DestSize pointer to the size of list. may be 0, if DestList is NULL.
@param[in] SourceList the double linked list of commands.
@retval EFI_SUCCESS the operation was successful.
**/
EFI_STATUS
CopyListOfCommandNames(
IN OUT CHAR16 **DestList,
IN OUT UINTN *DestSize,
IN CONST COMMAND_LIST *SourceList
)
{
CONST COMMAND_LIST *Node;
for ( Node = (COMMAND_LIST*)GetFirstNode(&SourceList->Link)
; SourceList != NULL && !IsListEmpty(&SourceList->Link) && !IsNull(&SourceList->Link, &Node->Link)
; Node = (COMMAND_LIST*)GetNextNode(&SourceList->Link, &Node->Link)
) {
LexicalInsertIntoList(DestList, DestSize, Node->CommandString);
}
return (EFI_SUCCESS);
}
/**
function to add each dynamic command name to the string list.
the resultant list is a double NULL terminated list of NULL terminated strings.
@param[in,out] DestList double pointer to the list. may be NULL.
@param[in,out] DestSize pointer to the size of list. may be 0, if DestList is NULL.
@retval EFI_SUCCESS the operation was successful.
@return an error from HandleProtocol
**/
STATIC
EFI_STATUS
EFIAPI
CopyListOfCommandNamesWithDynamic(
IN OUT CHAR16** DestList,
IN OUT UINTN *DestSize
)
{
EFI_HANDLE *CommandHandleList;
CONST EFI_HANDLE *NextCommand;
EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL *DynamicCommand;
EFI_STATUS Status;
CommandHandleList = GetHandleListByProtocol(&gEfiShellDynamicCommandProtocolGuid);
//
// If there are none, then just return with success
//
if (CommandHandleList == NULL) {
return (EFI_SUCCESS);
}
Status = EFI_SUCCESS;
//
// Append those to the list.
//
for (NextCommand = CommandHandleList ; *NextCommand != NULL && !EFI_ERROR(Status) ; NextCommand++) {
Status = gBS->HandleProtocol(
*NextCommand,
&gEfiShellDynamicCommandProtocolGuid,
(VOID **)&DynamicCommand
);
if (EFI_ERROR(Status)) {
continue;
}
Status = LexicalInsertIntoList(DestList, DestSize, DynamicCommand->CommandName);
}
SHELL_FREE_NON_NULL(CommandHandleList);
return (Status);
}
