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ls.c
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/*++
Copyright (c) 2005 - 2006, Intel Corporation
All rights reserved. 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
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
ls.c
Abstract:
EFI shell command "ls"
Revision History
--*/
#include "ls.h"
extern UINT8 STRING_ARRAY_NAME[];
//
// Global Variables
//
EFI_HII_HANDLE HiiLsHandle;
EFI_GUID EfiLsGuid = EFI_LS_GUID;
SHELL_VAR_CHECK_ITEM LsCheckList[] = {
{
L"-b",
0x01,
0,
FlagTypeSingle
},
{
L"-r",
0x02,
0,
FlagTypeSingle
},
{
L"-a",
0x04,
0,
FlagTypeNeedSet
},
{
L"-?",
0x08,
0,
FlagTypeSingle
},
{
NULL,
0,
0,
0
}
};
BOOLEAN mIgnoreAttribute;
BOOLEAN mAttributes;
BOOLEAN mAttribA;
BOOLEAN mAttribH;
BOOLEAN mAttribS;
BOOLEAN mAttribR;
BOOLEAN mAttribD;
BOOLEAN mRecursive;
BOOLEAN mPageBreak;
BOOLEAN mMatchStratage;
UINT64 mTotalSize;
UINT64 mTotalFiles;
UINT64 mTotalDirs;
//
// Function declarations
//
VOID
LsDumpFileInfo (
IN EFI_FILE_INFO *Info
);
SHELL_FILE_TYPE
GetFileType (
IN EFI_FILE_INFO *Info
);
EFI_STATUS
EFIAPI
InitializeLS (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
//
// Entry Point
//
EFI_BOOTSHELL_CODE(
EFI_APPLICATION_ENTRY_POINT(InitializeLS)
)
EFI_STATUS
EFIAPI
InitializeLS (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
Command entry point. Parses command line arguments and calls internal
function to perform actual action.
Arguments:
ImageHandle The image handle.
SystemTable The system table.
Returns:
EFI_SUCCESS - Command completed successfully
EFI_INVALID_PARAMETER - Command usage error
EFI_UNSUPPORTED - Protocols unsupported
EFI_OUT_OF_RESOURCES - Out of memory
Other value - Unknown error
--*/
{
EFI_STATUS Status;
//
// We are no being installed as an internal command driver, initialize
// as an nshell app and run
//
EFI_SHELL_APP_INIT (ImageHandle, SystemTable);
//
// Enable tab key which can pause the output
//
EnableOutputTabPause();
//
// Register our string package with HII and return the handle to it.
// If previously registered we will simply receive the handle
//
Status = LibInitializeStrings (&HiiLsHandle, STRING_ARRAY_NAME, &EfiLsGuid);
if (EFI_ERROR (Status)) {
return Status;
}
if (!EFI_PROPER_VERSION (0, 99)) {
PrintToken (
STRING_TOKEN (STR_SHELLENV_GNC_COMMAND_NOT_SUPPORT),
HiiLsHandle,
L"ls/dir",
EFI_VERSION_0_99
);
Status = EFI_UNSUPPORTED;
goto Done;
}
Status = MainProc (ImageHandle, SystemTable, STRING_TOKEN (STR_LS_VERBOSE_HELP));
Done:
LibUnInitializeStrings ();
return Status;
}
EFI_STATUS
MainProc (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable,
IN UINT16 VHlpToken
)
/*++
Routine Description:
Arguments:
ImageHandle The image handle.
SystemTable The system table.
VHlpToken The help token.
Returns:
EFI_SUCCESS - Command completed successfully
EFI_INVALID_PARAMETER - Command usage error
EFI_UNSUPPORTED - Protocols unsupported
EFI_OUT_OF_RESOURCES - Out of memory
Other value - Unknown error
--*/
{
EFI_STATUS Status;
CHAR16 **Argv;
CHAR16 *PtrTwo;
CHAR16 *Path;
EFI_LIST_ENTRY DirList;
EFI_LIST_ENTRY *Link;
SHELL_FILE_ARG *Arg;
BOOLEAN WildcardsEncountered;
CHAR16 *Pattern;
SHELL_VAR_CHECK_CODE RetCode;
SHELL_VAR_CHECK_PACKAGE ChkPck;
SHELL_ARG_LIST *Item;
CHAR16 *Useful;
Argv = SI->Argv;
PtrTwo = NULL;
InitializeListHead (&DirList);
Link = NULL;
Arg = NULL;
Pattern = NULL;
Status = EFI_SUCCESS;
ZeroMem (&ChkPck, sizeof (SHELL_VAR_CHECK_PACKAGE));
//
// Global variable initializations
//
mIgnoreAttribute = FALSE;
mAttributes = FALSE;
mRecursive = FALSE;
mAttribA = FALSE;
mAttribH = FALSE;
mAttribS = FALSE;
mAttribR = FALSE;
mAttribD = FALSE;
mTotalSize = 0;
mTotalFiles = 0;
mTotalDirs = 0;
//
// Check flags
//
RetCode = LibCheckVariables (SI, LsCheckList, &ChkPck, &Useful);
if (VarCheckOk != RetCode) {
switch (RetCode) {
case VarCheckDuplicate:
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_DUP_FLAG), HiiLsHandle, L"ls/dir", Useful);
break;
case VarCheckUnknown:
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_UNKNOWN_FLAG), HiiLsHandle, L"ls/dir", Useful);
break;
default:
break;
}
Status = EFI_INVALID_PARAMETER;
goto Done;
}
//
// Out put help.
//
if (LibCheckVarGetFlag (&ChkPck, L"-b") != NULL) {
EnablePageBreak (DEFAULT_INIT_ROW, DEFAULT_AUTO_LF);
}
if (LibCheckVarGetFlag (&ChkPck, L"-?") != NULL) {
if (IS_OLD_SHELL) {
PrintToken (STRING_TOKEN (STR_NO_HELP), HiiLsHandle);
} else if (ChkPck.ValueCount > 0 ||
ChkPck.FlagCount > 2 ||
(2 == ChkPck.FlagCount && !LibCheckVarGetFlag (&ChkPck, L"-b"))
) {
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_TOO_MANY), HiiLsHandle, L"ls/dir");
Status = EFI_INVALID_PARAMETER;
} else {
PrintToken (VHlpToken, HiiLsHandle);
Status = EFI_SUCCESS;
}
LibCheckVarFreeVarList (&ChkPck);
return Status;
}
Item = LibCheckVarGetFlag (&ChkPck, L"-r");
if (Item) {
mRecursive = TRUE;
}
Item = LibCheckVarGetFlag (&ChkPck, L"-a");
if (Item) {
mAttributes = TRUE;
Useful = Item->VarStr;
if (0 == *Useful) {
mIgnoreAttribute = TRUE;
} else {
while (*Useful) {
switch (*Useful) {
case 'A':
case 'a':
if (!mAttribA) {
mAttribA = TRUE;
} else {
PrintToken (STRING_TOKEN (STR_LS_DUP_ATTRIBUTE), HiiLsHandle, L"ls/dir", *Useful);
Status = EFI_INVALID_PARAMETER;
goto Done;
}
break;
case 'H':
case 'h':
if (!mAttribH) {
mAttribH = TRUE;
} else {
PrintToken (STRING_TOKEN (STR_LS_DUP_ATTRIBUTE), HiiLsHandle, L"ls/dir", *Useful);
Status = EFI_INVALID_PARAMETER;
goto Done;
}
break;
case 'S':
case 's':
if (!mAttribS) {
mAttribS = TRUE;
} else {
PrintToken (STRING_TOKEN (STR_LS_DUP_ATTRIBUTE), HiiLsHandle, L"ls/dir", *Useful);
Status = EFI_INVALID_PARAMETER;
goto Done;
}
break;
case 'R':
case 'r':
if (!mAttribR) {
mAttribR = TRUE;
} else {
PrintToken (STRING_TOKEN (STR_LS_DUP_ATTRIBUTE), HiiLsHandle, L"ls/dir", *Useful);
Status = EFI_INVALID_PARAMETER;
goto Done;
}
break;
case 'D':
case 'd':
if (!mAttribD) {
mAttribD = TRUE;
} else {
PrintToken (STRING_TOKEN (STR_LS_DUP_ATTRIBUTE), HiiLsHandle, L"ls/dir", *Useful);
Status = EFI_INVALID_PARAMETER;
goto Done;
}
break;
default:
PrintToken (STRING_TOKEN (STR_LS_FILE_ATTR), HiiLsHandle, L"ls/dir", *Useful);
Status = EFI_INVALID_PARAMETER;
goto Done;
}
Useful++;
}
//
// end of while (*Useful)
//
}
}
//
// end of if (item)
//
if (ChkPck.ValueCount > 1) {
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_TOO_MANY), HiiLsHandle, L"ls/dir");
Status = EFI_INVALID_PARAMETER;
goto Done;
} else if (1 == ChkPck.ValueCount) {
Path = ChkPck.VarList->VarStr;
PtrTwo = GetPattern (Path);
Pattern = StrDuplicate (PtrTwo);
Status = ShellFileMetaArg (ChkPck.VarList->VarStr, &DirList);
if (EFI_ERROR (Status)) {
PrintToken (STRING_TOKEN (STR_LS_CANNOT_OPEN), HiiLsHandle, L"ls/dir", Argv[ChkPck.ValueCount], Status);
goto Done;
}
//
// Even file not found, can't be an empty list
//
if (IsListEmpty (&DirList)) {
Status = EFI_NOT_FOUND;
PrintToken (STRING_TOKEN (STR_LS_CANNOT_OPEN), HiiLsHandle, L"ls/dir", Argv[ChkPck.ValueCount], Status);
goto Done;
}
} else {
//
// ChkPck.ValueCount = 0
//
Pattern = StrDuplicate (L"");
Status = ShellFileMetaArg (L".", &DirList);
if (EFI_ERROR (Status)) {
PrintToken (STRING_TOKEN (STR_LS_CANNOT_OPEN_CURRENT_DIR), HiiLsHandle, L"ls/dir", Status);
goto Done;
}
if (IsListEmpty (&DirList)) {
Status = EFI_NOT_FOUND;
PrintToken (STRING_TOKEN (STR_LS_CANNOT_OPEN_CURRENT_DIR), HiiLsHandle, L"ls/dir", Status);
goto Done;
}
Arg = CR (DirList.Flink, SHELL_FILE_ARG, Link, SHELL_FILE_ARG_SIGNATURE);
if (EFI_ERROR (Arg->Status)) {
PrintToken (STRING_TOKEN (STR_LS_CANNOT_OPEN_CURRENT_DIR), HiiLsHandle, L"ls/dir", Arg->Status);
Status = Arg->Status;
goto Done;
}
}
WildcardsEncountered = HasWildcards (Pattern);
//
// no wildcards and is a directory
//
if (DirList.Flink->Flink == &DirList) {
Arg = CR (DirList.Flink, SHELL_FILE_ARG, Link, SHELL_FILE_ARG_SIGNATURE);
if (Arg->Status == EFI_SUCCESS && Arg->Info && (Arg->Info->Attribute & EFI_FILE_DIRECTORY)) {
if (!WildcardsEncountered) {
Status = Listing (Arg->Handle, Arg->FullName, L"*");
goto Final;
}
}
}
//
// Call LsList
//
Arg = CR (
DirList.Flink,
SHELL_FILE_ARG,
Link,
SHELL_FILE_ARG_SIGNATURE
);
//
// if (Arg->Parent && Arg->Status == EFI_SUCCESS) {
//
if (Arg->Parent) {
Status = Listing (Arg->Parent, Arg->ParentName, CleanupAsFatLfn (Pattern));
} else {
PrintToken (
STRING_TOKEN (STR_LS_CANNOT_OPEN_DIR),
HiiLsHandle,
L"ls/dir",
Arg->FullName,
Arg->Status
);
Status = Arg->Status;
goto Final;
}
Final:
if (EFI_ERROR (Status)) {
goto Done;
}
//
// Display Final Summary for recursive
//
if (mRecursive) {
PrintToken (STRING_TOKEN (STR_LS_TOTAL_SUMMARY), HiiLsHandle);
PrintToken (STRING_TOKEN (STR_LS_FILE_BYTES), HiiLsHandle, mTotalFiles, mTotalSize);
PrintToken (STRING_TOKEN (STR_LS_DIR), HiiLsHandle, mTotalDirs);
}
Done:
//
// Free resources
//
if (Pattern) {
FreePool (Pattern);
}
LibCheckVarFreeVarList (&ChkPck);
ShellFreeFileList (&DirList);
return Status;
}
EFI_STATUS
Listing (
IN EFI_FILE_HANDLE ParentHandle,
IN CHAR16 *ParentPath,
IN CHAR16 *Pattern
)
/*++
Routine Description:
Performs list operation on the directory indicated by ParentHandle.
Use Pattern as the search string to find matches to be listed.
Recursive search is performed if required
Arguments:
ParentHandle The handle of the parent directory
ParentPath The path of the parent directory
Pattern Search string
Returns:
EFI_SUCCESS
--*/
{
EFI_STATUS Status;
EFI_FILE_INFO *Info;
UINTN BufSize;
EFI_FILE_HANDLE ThisHandle;
UINT64 TotalSize;
UINT64 TotalFiles;
UINT64 TotalDirs;
CHAR16 *FullPath;
BOOLEAN Something;
//
// local variable initializations
//
ThisHandle = NULL;
BufSize = SIZE_OF_EFI_FILE_INFO + 1024;
//
// Large enough
//
TotalSize = 0;
TotalFiles = 0;
TotalDirs = 0;
FullPath = NULL;
Something = FALSE;
mMatchStratage = FALSE;
Info = AllocatePool (BufSize);
if (Info == NULL) {
PrintToken (STRING_TOKEN (STR_LS_OUT_OF_MEM), HiiLsHandle, L"ls/dir");
Status = EFI_OUT_OF_RESOURCES;
goto ListDone;
}
//
// get parent directory info
//
Status = ParentHandle->GetInfo (ParentHandle, &gEfiFileInfoGuid, &BufSize, Info);
if (EFI_ERROR (Status)) {
PrintToken (STRING_TOKEN (STR_LS_CANNOT_INFO_DIR), HiiLsHandle, L"ls/dir", ParentPath);
goto ListDone;
}
//
// is it a directory?
//
if (!(Info->Attribute & EFI_FILE_DIRECTORY)) {
PrintToken (STRING_TOKEN (STR_LS_CANNOT_OPERATE_FILE), HiiLsHandle, L"ls/dir", ParentPath);
Status = EFI_INVALID_PARAMETER;
goto ListDone;
}
//
// find all match items in the parent directory for the first time
// to determine if this dir need to be displayed in Recursive case
//
Status = FindMatchItem (
ParentHandle,
ParentPath,
Pattern,
FALSE,
&Something,
Info
);
if (EFI_ERROR (Status)) {
PrintToken (STRING_TOKEN (STR_LS_CANNOT_ACCESS_DIR), HiiLsHandle, L"ls/dir", ParentPath);
goto ListDone;
}
if (!Something) {
Status = FindMatchItem (
ParentHandle,
ParentPath,
Pattern,
TRUE,
&Something,
Info
);
if (EFI_ERROR (Status)) {
PrintToken (STRING_TOKEN (STR_LS_CANNOT_ACCESS_DIR), HiiLsHandle, L"ls/dir", ParentPath);
goto ListDone;
}
mMatchStratage = TRUE;
}
if (Something || !mRecursive) {
PrintToken (STRING_TOKEN (STR_LS_DIR_OF), HiiLsHandle, ParentPath);
Print (L"\n");
//
// list all match items in the parent directory
//
Status = ParentHandle->SetPosition (ParentHandle, 0);
if (EFI_ERROR (Status)) {
PrintToken (STRING_TOKEN (STR_LS_CANNOT_ACCESS_DIR), HiiLsHandle, L"ls/dir", ParentPath);
goto ListDone;
}
//
// loop
//
for (;;) {
//
// Break the execution?
//
if (GetExecutionBreak ()) {
goto ListDone;
}
//
// reuse BufSize and Info
//
BufSize = SIZE_OF_EFI_FILE_INFO + 1024;
Status = ParentHandle->Read (ParentHandle, &BufSize, Info);
if (EFI_ERROR (Status)) {
PrintToken (
STRING_TOKEN (STR_LS_CANNOT_READ_DIR),
HiiLsHandle,
L"ls/dir",
ParentPath,
Status
);
goto ListDone;
}
//
// no more entries
//
if (BufSize == 0) {
break;
}
//
// if file name matches, and attributes right, display it
//
if (IsMatch (Info, Pattern, mMatchStratage)) {
if (Info->Attribute & EFI_FILE_DIRECTORY) {
TotalDirs++;
mTotalDirs++;
} else {
TotalFiles++;
TotalSize += Info->FileSize;
mTotalFiles++;
mTotalSize += Info->FileSize;
}
LsDumpFileInfo (Info);
}
}
//
// Display subTotal
//
if (TotalFiles == 0 && TotalDirs == 0) {
PrintToken (STRING_TOKEN (STR_LS_FILE_NOT_FOUND), HiiLsHandle);
Status = EFI_NOT_FOUND;
} else {
PrintToken (STRING_TOKEN (STR_LS_FILE_BYTES), HiiLsHandle, TotalFiles, TotalSize);
PrintToken (STRING_TOKEN (STR_LS_DIR), HiiLsHandle, TotalDirs);
Print (L"\n");
}
}
//
// if recursive, for each dir within the parent directory,
// call myself
//
if (mRecursive) {
Status = ParentHandle->SetPosition (ParentHandle, 0);
if (EFI_ERROR (Status)) {
PrintToken (STRING_TOKEN (STR_LS_CANNOT_ACCESS_DIR), HiiLsHandle, L"ls/dir", ParentPath);
goto ListDone;
}
//
// loop
//
for (;;) {
//
// Break the execution?
//
if (GetExecutionBreak ()) {
goto ListDone;
}
//
// reuse BufSize and Info
//
BufSize = SIZE_OF_EFI_FILE_INFO + 1024;
Status = ParentHandle->Read (ParentHandle, &BufSize, Info);
if (EFI_ERROR (Status)) {
PrintToken (
STRING_TOKEN (STR_LS_CANNOT_READ_DIR),
HiiLsHandle,
L"ls/dir",
ParentPath,
Status
);
goto ListDone;
}
//
// no more entries
//
if (BufSize == 0) {
break;
}
//
// if it's a directory, open it and recursive
//
if (Info->Attribute & EFI_FILE_DIRECTORY &&
StriCmp (Info->FileName, L".") != 0 &&
StriCmp (Info->FileName, L"..") != 0
) {
//
// IsMatch(Info, Pattern))
//
// Compose a full path for this dir
//
if (FullPath) {
FreePool (FullPath);
}
FullPath = AllocatePool (StrSize (ParentPath) + 1 + StrSize (Info->FileName) + 2);
if (!FullPath) {
PrintToken (STRING_TOKEN (STR_LS_OUT_OF_MEM), HiiLsHandle, L"ls/dir");
Status = EFI_OUT_OF_RESOURCES;
goto ListDone;
}
StrCpy (FullPath, ParentPath);
if (FullPath[StrLen (FullPath) - 1] != '\\') {
StrCat (FullPath, L"\\");
}
StrCat (FullPath, Info->FileName);
Status = ParentHandle->Open (
ParentHandle,
&ThisHandle,
Info->FileName,
EFI_FILE_MODE_READ,
0
);
if (EFI_ERROR (Status)) {
PrintToken (
STRING_TOKEN (STR_LS_CANNOT_OPEN_DIR),
HiiLsHandle,
L"ls/dir",
FullPath,
Status
);
goto ListDone;
}
Status = Listing (ThisHandle, FullPath, CleanupAsFatLfn (Pattern));
if (Status == EFI_ABORTED) {
goto ListDone;
}
ThisHandle->Close (ThisHandle);
}
}
}
//
// end of mRecursive
//
ListDone:
if (FullPath) {
FreePool (FullPath);
}
if (Info) {
FreePool (Info);
}
return Status;
}
CHAR16 *
CleanupAsFatLfn (
CHAR16 *Name
)
{
CHAR16 *p1;
CHAR16 *p2;
//
// Strip off starting/trailing spaces and trailing periods, as FAT spec.
//
for (p1 = Name; *p1 && *p1 == ' '; p1++) {
;
}
p2 = Name;
while (*p1) {
*p2 = *p1;
p1++;
p2++;
}
*p2 = 0;
for (p1 = Name + StrLen (Name) - 1; p1 >= Name && (*p1 == ' ' || *p1 == '.'); p1--) {
;
}
*(p1 + 1) = 0;
return Name;
}
CHAR16 *
GetPattern (
CHAR16 *Path
)
{
EFI_STATUS Status;
CHAR16 *PtrOne;
CHAR16 *PtrTwo;
UINTN Index1;
UINTN Index2;
UINTN Pos;
BOOLEAN LeadingBlanks;
LeadingBlanks = TRUE;
Status = EFI_SUCCESS;
for (PtrOne = PtrTwo = Path; PtrOne < Path + StrLen (Path); PtrOne++) {
if ((*PtrOne) == ' ' && LeadingBlanks) {
PtrTwo = PtrOne + 1;
} else {
LeadingBlanks = FALSE;
if ((*PtrOne) == '\\' || (*PtrOne) == ':') {
PtrTwo = PtrOne + 1;
}
}
}
//
// Filter redundant '*' in pattern
//
Index1 = 0;
while (PtrTwo[Index1] != '\0') {
Pos = Index1;
Index2 = Index1 + 1;
if (PtrTwo[Pos] == '*') {
Pos++;
while (PtrTwo[Pos] == '*' && PtrTwo[Pos] != '\0') {
Pos++;
}
PtrTwo[Index2] = PtrTwo[Pos];
while (PtrTwo[Index2] != '\0') {
Index2++;
Pos++;
PtrTwo[Index2] = PtrTwo[Pos];
}
}
Index1++;
}
//
// Strip off trailing blanks in pattern
//
for (Index1 = StrLen (PtrTwo) - 1; Index1 >= 0 && PtrTwo[Index1] == ' '; Index1--) {
PtrTwo[Index1] = 0;
}
return PtrTwo;
}
BOOLEAN
IsMatch (
EFI_FILE_INFO *Info,
CHAR16 *Pattern,
BOOLEAN BracketLiteral
)
{
CHAR16 *NewPattern;
CHAR16 *PtrPattern;
CHAR16 *PtrNewPattern;
UINTN Size;
BOOLEAN IsMatch;
if (!BracketLiteral) {
NewPattern = StrDuplicate (Pattern);
if (!NewPattern) {
IsMatch = FALSE;
goto Done;
}
} else {
Size = StrSize (Pattern);
NewPattern = AllocateZeroPool (Size * 2);
if (!NewPattern) {
IsMatch = FALSE;
goto Done;
}
//
// composed the name
//
PtrPattern = Pattern;
PtrNewPattern = NewPattern;
while (*PtrPattern) {
if (*PtrPattern == '[' || *PtrPattern == ']') {
*(PtrNewPattern++) = ESCAPE_CHAR;
}
*(PtrNewPattern++) = *(PtrPattern++);
}
*PtrNewPattern = 0;
}
IsMatch = MetaMatch (Info->FileName, NewPattern);
if ((IsMatch && mIgnoreAttribute) ||
(IsMatch && !mAttributes && !(Info->Attribute & EFI_FILE_HIDDEN) && !(Info->Attribute & EFI_FILE_SYSTEM)) ||
IsMatch &&
mAttributes &&
(
(mAttribA ? (Info->Attribute & EFI_FILE_ARCHIVE ? TRUE : FALSE) : TRUE) &&
(mAttribH ? (Info->Attribute & EFI_FILE_HIDDEN ? TRUE : FALSE) : TRUE) &&
(mAttribR ? (Info->Attribute & EFI_FILE_READ_ONLY ? TRUE : FALSE) : TRUE) &&
(mAttribS ? (Info->Attribute & EFI_FILE_SYSTEM ? TRUE : FALSE) : TRUE) &&
(mAttribD ? (Info->Attribute & EFI_FILE_DIRECTORY ? TRUE : FALSE) : TRUE)
)
) {
IsMatch = TRUE;
} else {
IsMatch = FALSE;
}
Done:
if (NewPattern) {
FreePool (NewPattern);
}
return IsMatch;
}
EFI_STATUS
FindMatchItem (
IN EFI_FILE_HANDLE ParentHandle,
IN CHAR16 *ParentPath,
IN CHAR16 *Pattern,
IN BOOLEAN MatchStratage,
IN OUT BOOLEAN *Something,
IN EFI_FILE_INFO *Info
)
{
EFI_STATUS Status;
UINTN BufSize;
*Something = FALSE;
Status = ParentHandle->SetPosition (ParentHandle, 0);
if (EFI_ERROR (Status)) {
PrintToken (STRING_TOKEN (STR_LS_CANNOT_ACCESS_DIR), HiiLsHandle, L"ls/dir", ParentPath);
return Status;
}
//
// loop
//
for (;;) {
//
// reuse BufSize and Info
//
BufSize = SIZE_OF_EFI_FILE_INFO + 1024;
Status = ParentHandle->Read (ParentHandle, &BufSize, Info);
if (EFI_ERROR (Status)) {
PrintToken (
STRING_TOKEN (STR_LS_CANNOT_READ_DIR),
HiiLsHandle,
L"ls/dir",
ParentPath,
Status
);
return Status;
}
//
// no more entries
//
if (BufSize == 0) {
break;
}
//
// if file name matches, and attributes right
//
if (IsMatch (Info, Pattern, MatchStratage)) {
*Something = TRUE;
return EFI_SUCCESS;
}
}
return EFI_SUCCESS;
}
SHELL_FILE_TYPE