windows-nt/Source/XPSP1/NT/base/efiutil/sdk/shell/touch/touch.c
2020-09-26 16:20:57 +08:00

123 lines
2.5 KiB
C

/*++
Copyright (c) 1998 Intel Corporation
Module Name:
touch.c
Abstract:
Shell app "touch" - touches the files last modification time
Revision History
--*/
#include "shell.h"
/*
*
*/
EFI_STATUS
InitializeTouch (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
VOID
TouchFile (
IN SHELL_FILE_ARG *Arg
);
/*
*
*/
EFI_DRIVER_ENTRY_POINT(InitializeTouch)
EFI_STATUS
InitializeTouch (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
CHAR16 **Argv;
UINTN Argc;
UINTN Index;
LIST_ENTRY FileList;
LIST_ENTRY *Link;
SHELL_FILE_ARG *Arg;
/*
* Check to see if the app is to install as a "internal command"
* to the shell
*/
InstallInternalShellCommand (
ImageHandle, SystemTable, InitializeTouch,
L"touch", /* command */
L"touch [filename]", /* command syntax */
L"View/sets file attributes", /* 1 line descriptor */
NULL /* command help page */
);
/*
* We are no being installed as an internal command driver, initialize
* as an nshell app and run
*/
InitializeShellApplication (ImageHandle, SystemTable);
Argv = SI->Argv;
Argc = SI->Argc;
InitializeListHead (&FileList);
/*
* Expand each arg
*/
for (Index = 1; Index < Argc; Index += 1) {
ShellFileMetaArg (Argv[Index], &FileList);
}
/*
* Attrib each file
*/
for (Link=FileList.Flink; Link!=&FileList; Link=Link->Flink) {
Arg = CR(Link, SHELL_FILE_ARG, Link, SHELL_FILE_ARG_SIGNATURE);
TouchFile (Arg);
}
ShellFreeFileList (&FileList);
return EFI_SUCCESS;
}
VOID
TouchFile (
IN SHELL_FILE_ARG *Arg
)
{
EFI_STATUS Status;
Status = Arg->Status;
if (!EFI_ERROR(Status)) {
RT->GetTime (&Arg->Info->ModificationTime, NULL);
Status = Arg->Handle->SetInfo(
Arg->Handle,
&GenericFileInfo,
(UINTN) Arg->Info->Size,
Arg->Info
);
}
if (EFI_ERROR(Status)) {
Print (L"touch: %s : %hr\n", Arg->FullName, Status);
} else {
Print (L"touch: %s [ok]\n", Arg->FullName);
}
}