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Clean up GenericBdsLib library Instance.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5449 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qwang12
2008-07-11 06:02:04 +00:00
parent 7b3e2a1b9a
commit 11ef23f9d1
12 changed files with 496 additions and 192 deletions
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502
MdeModulePkg/Library/GenericBdsLib/DevicePath.c
View File

@ -21,45 +21,34 @@ EFI_GUID mEfiDevicePathMessagingUartFlowControlGuid = DEVICE_PATH_MESSAGING_UAR
EFI_GUID mEfiDevicePathMessagingSASGuid = DEVICE_PATH_MESSAGING_SAS;
/**
Adjusts the size of a previously allocated buffer.
@param OldPool A pointer to the buffer whose size is being adjusted.
@param OldSize The size of the current buffer.
@param NewSize The size of the new buffer.
@return The new buffer allocated. If allocatio failed, NULL will be returned.
**/
VOID *
ReallocatePool (
IN VOID *OldPool,
IN UINTN OldSize,
IN UINTN NewSize
)
/*++
Routine Description:
Adjusts the size of a previously allocated buffer.
Arguments:
OldPool - A pointer to the buffer whose size is being adjusted.
OldSize - The size of the current buffer.
NewSize - The size of the new buffer.
Returns:
EFI_SUCEESS - The requested number of bytes were allocated.
EFI_OUT_OF_RESOURCES - The pool requested could not be allocated.
EFI_INVALID_PARAMETER - The buffer was invalid.
--*/
{
VOID *NewPool;
NewPool = NULL;
if (NewSize) {
if (NewSize != 0) {
NewPool = AllocateZeroPool (NewSize);
}
if (OldPool) {
if (NewPool) {
if (OldPool != NULL) {
if (NewPool != NULL) {
CopyMem (NewPool, OldPool, OldSize < NewSize ? OldSize : NewSize);
}
@ -78,9 +67,11 @@ Returns:
allocated.
@param fmt The format string
@param ... Variable argument list.
@return Allocated buffer with the formatted string printed in it.
@return The caller must free the allocated buffer. The buffer
@return allocation is not packed.
The caller must free the allocated buffer. The buffer
allocation is not packed.
**/
CHAR16 *
@ -92,37 +83,37 @@ CatPrint (
)
{
UINT16 *AppendStr;
VA_LIST args;
UINTN strsize;
VA_LIST Args;
UINTN StringSize;
AppendStr = AllocateZeroPool (0x1000);
if (AppendStr == NULL) {
return Str->str;
}
VA_START (args, fmt);
UnicodeVSPrint (AppendStr, 0x1000, fmt, args);
VA_END (args);
VA_START (Args, fmt);
UnicodeVSPrint (AppendStr, 0x1000, fmt, Args);
VA_END (Args);
if (NULL == Str->str) {
strsize = StrSize (AppendStr);
Str->str = AllocateZeroPool (strsize);
StringSize = StrSize (AppendStr);
Str->str = AllocateZeroPool (StringSize);
ASSERT (Str->str != NULL);
} else {
strsize = StrSize (AppendStr);
strsize += (StrSize (Str->str) - sizeof (UINT16));
StringSize = StrSize (AppendStr);
StringSize += (StrSize (Str->str) - sizeof (UINT16));
Str->str = ReallocatePool (
Str->str,
StrSize (Str->str),
strsize
StringSize
);
ASSERT (Str->str != NULL);
}
Str->maxlen = MAX_CHAR * sizeof (UINT16);
if (strsize < Str->maxlen) {
if (StringSize < Str->maxlen) {
StrCat (Str->str, AppendStr);
Str->len = strsize - sizeof (UINT16);
Str->len = StringSize - sizeof (UINT16);
}
gBS->FreePool (AppendStr);
@ -170,7 +161,7 @@ BdsLibUnpackDevicePath (
// Allocate space for the unpacked path
//
NewPath = AllocateZeroPool (Size);
if (NewPath) {
if (NewPath != NULL) {
ASSERT (((UINTN) NewPath) % MIN_ALIGNMENT_SIZE == 0);
@ -198,6 +189,16 @@ BdsLibUnpackDevicePath (
return NewPath;
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathPci (
IN OUT POOL_PRINT *Str,
@ -210,6 +211,16 @@ DevPathPci (
CatPrint (Str, L"Pci(%x|%x)", (UINTN) Pci->Device, (UINTN) Pci->Function);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathPccard (
IN OUT POOL_PRINT *Str,
@ -222,6 +233,16 @@ DevPathPccard (
CatPrint (Str, L"Pcmcia(Function%x)", (UINTN) Pccard->FunctionNumber);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathMemMap (
IN OUT POOL_PRINT *Str,
@ -240,6 +261,16 @@ DevPathMemMap (
);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathController (
IN OUT POOL_PRINT *Str,
@ -254,12 +285,13 @@ DevPathController (
/**
Convert Vendor device path to device name
Convert Device Path to a Unicode string for printing.
@param Str The buffer store device name
@param DevPath Pointer to vendor device path
@return When it return, the device name have been stored in *Str.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
@ -350,9 +382,9 @@ DevPathVendor (
CatPrint (
Str,
L"%s,%s,%s,",
(Info & (0x1 << 4)) ? L"SATA" : L"SAS",
(Info & (0x1 << 5)) ? L"External" : L"Internal",
(Info & (0x1 << 6)) ? L"Expanded" : L"Direct"
((Info & (0x1 << 4)) != 0) ? L"SATA" : L"SAS",
((Info & (0x1 << 5)) != 0) ? L"External" : L"Internal",
((Info & (0x1 << 6)) != 0) ? L"Expanded" : L"Direct"
);
if ((Info & 0x0f) == 1) {
CatPrint (Str, L"0,");
@ -393,6 +425,16 @@ DevPathVendor (
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathAcpi (
IN OUT POOL_PRINT *Str,
@ -409,6 +451,16 @@ DevPathAcpi (
}
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathExtendedAcpi (
IN OUT POOL_PRINT *Str,
@ -443,7 +495,7 @@ DevPathExtendedAcpi (
// find HIDSTR
//
Anchor = 16;
for (Index = Anchor; Index < Length && AsChar8Array[Index]; Index++) {
for (Index = Anchor; Index < Length && AsChar8Array[Index] != '\0'; Index++) {
;
}
if (Index > Anchor) {
@ -453,7 +505,7 @@ DevPathExtendedAcpi (
// find UIDSTR
//
Anchor = (UINT16) (Index + 1);
for (Index = Anchor; Index < Length && AsChar8Array[Index]; Index++) {
for (Index = Anchor; Index < Length && AsChar8Array[Index] != '\0'; Index++) {
;
}
if (Index > Anchor) {
@ -463,7 +515,7 @@ DevPathExtendedAcpi (
// find CIDSTR
//
Anchor = (UINT16) (Index + 1);
for (Index = Anchor; Index < Length && AsChar8Array[Index]; Index++) {
for (Index = Anchor; Index < Length && AsChar8Array[Index] != '\0'; Index++) {
;
}
if (Index > Anchor) {
@ -520,6 +572,16 @@ DevPathExtendedAcpi (
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathAdrAcpi (
IN OUT POOL_PRINT *Str,
@ -542,6 +604,16 @@ DevPathAdrAcpi (
CatPrint (Str, L")");
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathAtapi (
IN OUT POOL_PRINT *Str,
@ -559,6 +631,16 @@ DevPathAtapi (
);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathScsi (
IN OUT POOL_PRINT *Str,
@ -571,6 +653,16 @@ DevPathScsi (
CatPrint (Str, L"Scsi(Pun%x,Lun%x)", (UINTN) Scsi->Pun, (UINTN) Scsi->Lun);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathFibre (
IN OUT POOL_PRINT *Str,
@ -583,18 +675,38 @@ DevPathFibre (
CatPrint (Str, L"Fibre(Wwn%lx,Lun%x)", Fibre->WWN, Fibre->Lun);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPath1394 (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
F1394_DEVICE_PATH *F1394;
F1394_DEVICE_PATH *F1394Path;
F1394 = DevPath;
CatPrint (Str, L"1394(%g)", &F1394->Guid);
F1394Path = DevPath;
CatPrint (Str, L"1394(%g)", &F1394Path->Guid);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathUsb (
IN OUT POOL_PRINT *Str,
@ -607,6 +719,16 @@ DevPathUsb (
CatPrint (Str, L"Usb(%x,%x)", (UINTN) Usb->ParentPortNumber, (UINTN) Usb->InterfaceNumber);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathUsbWWID (
IN OUT POOL_PRINT *Str,
@ -625,6 +747,16 @@ DevPathUsbWWID (
);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathLogicalUnit (
IN OUT POOL_PRINT *Str,
@ -637,6 +769,16 @@ DevPathLogicalUnit (
CatPrint (Str, L"Unit(%x)", (UINTN) LogicalUnit->Lun);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathUsbClass (
IN OUT POOL_PRINT *Str,
@ -657,6 +799,16 @@ DevPathUsbClass (
);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathSata (
IN OUT POOL_PRINT *Str,
@ -675,95 +827,145 @@ DevPathSata (
);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathI2O (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
I2O_DEVICE_PATH *I2O;
I2O_DEVICE_PATH *I2OPath;
I2O = DevPath;
CatPrint (Str, L"I2O(%x)", (UINTN) I2O->Tid);
I2OPath = DevPath;
CatPrint (Str, L"I2O(%x)", (UINTN) I2OPath->Tid);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathMacAddr (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
MAC_ADDR_DEVICE_PATH *MAC;
MAC_ADDR_DEVICE_PATH *MACDevPath;
UINTN HwAddressSize;
UINTN Index;
MAC = DevPath;
MACDevPath = DevPath;
HwAddressSize = sizeof (EFI_MAC_ADDRESS);
if (MAC->IfType == 0x01 || MAC->IfType == 0x00) {
if (MACDevPath->IfType == 0x01 || MACDevPath->IfType == 0x00) {
HwAddressSize = 6;
}
CatPrint (Str, L"Mac(");
for (Index = 0; Index < HwAddressSize; Index++) {
CatPrint (Str, L"%02x", (UINTN) MAC->MacAddress.Addr[Index]);
CatPrint (Str, L"%02x", (UINTN) MACDevPath->MacAddress.Addr[Index]);
}
CatPrint (Str, L")");
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathIPv4 (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
IPv4_DEVICE_PATH *IP;
IPv4_DEVICE_PATH *IPDevPath;
IP = DevPath;
IPDevPath = DevPath;
CatPrint (
Str,
L"IPv4(%d.%d.%d.%d:%d)",
(UINTN) IP->RemoteIpAddress.Addr[0],
(UINTN) IP->RemoteIpAddress.Addr[1],
(UINTN) IP->RemoteIpAddress.Addr[2],
(UINTN) IP->RemoteIpAddress.Addr[3],
(UINTN) IP->RemotePort
(UINTN) IPDevPath->RemoteIpAddress.Addr[0],
(UINTN) IPDevPath->RemoteIpAddress.Addr[1],
(UINTN) IPDevPath->RemoteIpAddress.Addr[2],
(UINTN) IPDevPath->RemoteIpAddress.Addr[3],
(UINTN) IPDevPath->RemotePort
);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathIPv6 (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
IPv6_DEVICE_PATH *IP;
IPv6_DEVICE_PATH *IPv6DevPath;
IP = DevPath;
IPv6DevPath = DevPath;
CatPrint (
Str,
L"IPv6(%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x)",
(UINTN) IP->RemoteIpAddress.Addr[0],
(UINTN) IP->RemoteIpAddress.Addr[1],
(UINTN) IP->RemoteIpAddress.Addr[2],
(UINTN) IP->RemoteIpAddress.Addr[3],
(UINTN) IP->RemoteIpAddress.Addr[4],
(UINTN) IP->RemoteIpAddress.Addr[5],
(UINTN) IP->RemoteIpAddress.Addr[6],
(UINTN) IP->RemoteIpAddress.Addr[7],
(UINTN) IP->RemoteIpAddress.Addr[8],
(UINTN) IP->RemoteIpAddress.Addr[9],
(UINTN) IP->RemoteIpAddress.Addr[10],
(UINTN) IP->RemoteIpAddress.Addr[11],
(UINTN) IP->RemoteIpAddress.Addr[12],
(UINTN) IP->RemoteIpAddress.Addr[13],
(UINTN) IP->RemoteIpAddress.Addr[14],
(UINTN) IP->RemoteIpAddress.Addr[15]
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[0],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[1],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[2],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[3],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[4],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[5],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[6],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[7],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[8],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[9],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[10],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[11],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[12],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[13],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[14],
(UINTN) IPv6DevPath->RemoteIpAddress.Addr[15]
);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathInfiniBand (
IN OUT POOL_PRINT *Str,
@ -784,6 +986,16 @@ DevPathInfiniBand (
);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathUart (
IN OUT POOL_PRINT *Str,
@ -859,42 +1071,62 @@ DevPathUart (
}
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathiSCSI (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
ISCSI_DEVICE_PATH_WITH_NAME *iSCSI;
ISCSI_DEVICE_PATH_WITH_NAME *IScsi;
UINT16 Options;
ASSERT (Str != NULL);
ASSERT (DevPath != NULL);
iSCSI = DevPath;
IScsi = DevPath;
CatPrint (
Str,
L"iSCSI(%s,%x,%lx,",
iSCSI->iSCSITargetName,
iSCSI->TargetPortalGroupTag,
iSCSI->Lun
IScsi->iSCSITargetName,
IScsi->TargetPortalGroupTag,
IScsi->Lun
);
Options = iSCSI->LoginOption;
CatPrint (Str, L"%s,", ((Options >> 1) & 0x0001) ? L"CRC32C" : L"None");
CatPrint (Str, L"%s,", ((Options >> 3) & 0x0001) ? L"CRC32C" : L"None");
if ((Options >> 11) & 0x0001) {
Options = IScsi->LoginOption;
CatPrint (Str, L"%s,", (((Options >> 1) & 0x0001) != 0) ? L"CRC32C" : L"None");
CatPrint (Str, L"%s,", (((Options >> 3) & 0x0001) != 0) ? L"CRC32C" : L"None");
if (((Options >> 11) & 0x0001) != 0) {
CatPrint (Str, L"%s,", L"None");
} else if ((Options >> 12) & 0x0001) {
} else if (((Options >> 12) & 0x0001) != 0) {
CatPrint (Str, L"%s,", L"CHAP_UNI");
} else {
CatPrint (Str, L"%s,", L"CHAP_BI");
}
CatPrint (Str, L"%s)", (iSCSI->NetworkProtocol == 0) ? L"TCP" : L"reserved");
CatPrint (Str, L"%s)", (IScsi->NetworkProtocol == 0) ? L"TCP" : L"reserved");
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathHardDrive (
IN OUT POOL_PRINT *Str,
@ -935,6 +1167,16 @@ DevPathHardDrive (
}
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathCDROM (
IN OUT POOL_PRINT *Str,
@ -947,6 +1189,16 @@ DevPathCDROM (
CatPrint (Str, L"CDROM(Entry%x)", (UINTN) Cd->BootEntry);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathFilePath (
IN OUT POOL_PRINT *Str,
@ -959,6 +1211,16 @@ DevPathFilePath (
CatPrint (Str, L"%s", Fp->PathName);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathMediaProtocol (
IN OUT POOL_PRINT *Str,
@ -971,6 +1233,16 @@ DevPathMediaProtocol (
CatPrint (Str, L"Media(%g)", &MediaProt->Protocol);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathFvFilePath (
IN OUT POOL_PRINT *Str,
@ -983,6 +1255,16 @@ DevPathFvFilePath (
CatPrint (Str, L"%g", &FvFilePath->FvFileName);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathBssBss (
IN OUT POOL_PRINT *Str,
@ -1029,6 +1311,16 @@ DevPathBssBss (
CatPrint (Str, L"Legacy-%s", Type);
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathEndInstance (
IN OUT POOL_PRINT *Str,
@ -1038,6 +1330,16 @@ DevPathEndInstance (
CatPrint (Str, L",");
}
/**
Convert Device Path to a Unicode string for printing.
@param Str The buffer holding the output string.
This buffer contains the length of the
string and the maixmum length reserved
for the string buffer.
@param DevPath The device path.
**/
VOID
DevPathNodeUnknown (
IN OUT POOL_PRINT *Str,
@ -1289,12 +1591,12 @@ LibDuplicateDevicePathInstance (
// Make a copy
//
NewDevPath = NULL;
if (Size) {
if (Size != 0) {
NewDevPath = AllocateZeroPool (Size);
ASSERT (NewDevPath != NULL);
}
if (NewDevPath) {
if (NewDevPath != NULL) {
CopyMem (NewDevPath, DevicePathInst, Size);
}