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ShellPkg: Refactor change to current file system 

This moves the initialization for handling file system changes into a separate function.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Erik Bjorge <erik.c.bjorge@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14983 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Jaben Carsey 2013-12-13 18:45:43 +00:00 committed by jcarsey
parent 680db51153
commit daf705847f
1 changed files with 40 additions and 6 deletions
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46
ShellPkg/Application/Shell/Shell.c
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@ -1618,6 +1618,43 @@ ProcessNewSplitCommandLine(
}
return (Status);
}
/**
Handle a request to change the current file system
@param[in] CmdLine The passed in command line
@retval EFI_SUCCESS The operation was successful
**/
EFI_STATUS
EFIAPI
ChangeMappedDrive(
IN CONST CHAR16 *CmdLine
)
{
EFI_STATUS Status;
Status = EFI_SUCCESS;
//
// make sure we are the right operation
//
ASSERT(CmdLine[(StrLen(CmdLine)-1)] == L':' && StrStr(CmdLine, L" ") == NULL);
//
// Call the protocol API to do the work
//
Status = ShellInfoObject.NewEfiShellProtocol->SetCurDir(NULL, CmdLine);
//
// Report any errors
//
if (EFI_ERROR(Status)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_MAPPING), ShellInfoObject.HiiHandle, CmdLine);
}
return (Status);
}
/**
Function will process and run a command line.
@ -1702,19 +1739,16 @@ RunCommand(
if (ContainsSplit(CleanOriginal)) {
Status = ProcessNewSplitCommandLine(CleanOriginal);
} else {
//
// If this is a mapped drive change handle that...
//
if (CleanOriginal[(StrLen(CleanOriginal)-1)] == L':' && StrStr(CleanOriginal, L" ") == NULL) {
Status = ShellInfoObject.NewEfiShellProtocol->SetCurDir(NULL, CleanOriginal);
if (EFI_ERROR(Status)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_MAPPING), ShellInfoObject.HiiHandle, CleanOriginal);
}
FreePool(CleanOriginal);
Status = ChangeMappedDrive(CleanOriginal);
SHELL_FREE_NON_NULL(CleanOriginal);
return (Status);
}
///@todo update this section to divide into 3 ways - run internal command, run split (above), and run an external file...
/// We waste a lot of time doing processing like StdIn,StdOut,Argv,Argc for things that are external files...