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ShellPkg: Added function ShellDeleteByName which deletes a file by name. 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Matthew Stanbro <matthew.a.stanbro@intel.com>
Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14138 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jcarsey 2013-02-20 18:21:14 +00:00
parent 1ac9cb8a53
commit fb5278ef78
2 changed files with 76 additions and 2 deletions
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31
ShellPkg/Include/Library/ShellLib.h
View File

@ -1,7 +1,7 @@
/** @file
Provides interface to shell functionality for shell commands and applications.
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -1328,4 +1328,33 @@ ShellFileHandleReadLine(
IN OUT BOOLEAN *Ascii
);
/**
Function to delete a file by name
@param[in] FileName Pointer to file name to delete.
@retval EFI_SUCCESS the file was deleted sucessfully
@retval EFI_WARN_DELETE_FAILURE the handle was closed, but the file was not
deleted
@retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.
@retval EFI_NOT_FOUND The specified file could not be found on the
device or the file system could not be found
on the device.
@retval EFI_NO_MEDIA The device has no medium.
@retval EFI_MEDIA_CHANGED The device has a different medium in it or the
medium is no longer supported.
@retval EFI_DEVICE_ERROR The device reported an error.
@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
@retval EFI_WRITE_PROTECTED The file or medium is write protected.
@retval EFI_ACCESS_DENIED The file was opened read only.
@retval EFI_OUT_OF_RESOURCES Not enough resources were available to open the
file.
@retval other The file failed to open
**/
EFI_STATUS
EFIAPI
ShellDeleteFileByName(
IN CONST CHAR16 *FileName
);
#endif // __SHELL_LIB__

47
ShellPkg/Library/UefiShellLib/UefiShellLib.c
View File

@ -1,7 +1,7 @@
/** @file
Provides interface to shell functionality for shell commands and applications.
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -4059,3 +4059,48 @@ ShellFileHandleReadLine(
return (Status);
}
/**
Function to delete a file by name
@param[in] FileName Pointer to file name to delete.
@retval EFI_SUCCESS the file was deleted sucessfully
@retval EFI_WARN_DELETE_FAILURE the handle was closed, but the file was not
deleted
@retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.
@retval EFI_NOT_FOUND The specified file could not be found on the
device or the file system could not be found
on the device.
@retval EFI_NO_MEDIA The device has no medium.
@retval EFI_MEDIA_CHANGED The device has a different medium in it or the
medium is no longer supported.
@retval EFI_DEVICE_ERROR The device reported an error.
@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
@retval EFI_WRITE_PROTECTED The file or medium is write protected.
@retval EFI_ACCESS_DENIED The file was opened read only.
@retval EFI_OUT_OF_RESOURCES Not enough resources were available to open the
file.
@retval other The file failed to open
**/
EFI_STATUS
EFIAPI
ShellDeleteFileByName(
IN CONST CHAR16 *FileName
)
{
EFI_STATUS Status;
SHELL_FILE_HANDLE FileHandle;
Status = ShellFileExists(FileName);
if (Status == EFI_SUCCESS){
Status = ShellOpenFileByName(FileName, &FileHandle, EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE, 0x0);
if (Status == EFI_SUCCESS){
Status = ShellDeleteFile(&FileHandle);
}
}
return(Status);
}