From 96d3713578c61129b092c5a9a0f7714ad961fd49 Mon Sep 17 00:00:00 2001 From: Ruiyu Ni Date: Fri, 17 Feb 2017 16:52:54 +0800 Subject: MdePkg/UefiDevicePathLib: Use BaseLib string conversion services Update UefiDevicePathLib to use StrToGuid/StrHexToBytes /StrToIpv4Address/StrToIpv6Address provided by BaseLib. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ruiyu Ni Reviewed-by: Liming Gao --- .../Library/UefiDevicePathLib/DevicePathFromText.c | 221 ++------------------- 1 file changed, 17 insertions(+), 204 deletions(-) (limited to 'MdePkg') diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c index e2b06a2d32..ae38859542 100644 --- a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c +++ b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c @@ -325,187 +325,6 @@ Strtoi64 ( } } -/** - Converts a list of string to a specified buffer. - - @param Buf The output buffer that contains the string. - @param BufferLength The length of the buffer - @param Str The input string that contains the hex number - - @retval EFI_SUCCESS The string was successfully converted to the buffer. - -**/ -EFI_STATUS -StrToBuf ( - OUT UINT8 *Buf, - IN UINTN BufferLength, - IN CHAR16 *Str - ) -{ - UINTN Index; - UINTN StrLength; - UINT8 Digit; - UINT8 Byte; - - Digit = 0; - - // - // Two hex char make up one byte - // - StrLength = BufferLength * sizeof (CHAR16); - - for(Index = 0; Index < StrLength; Index++, Str++) { - - if ((*Str >= L'a') && (*Str <= L'f')) { - Digit = (UINT8) (*Str - L'a' + 0x0A); - } else if ((*Str >= L'A') && (*Str <= L'F')) { - Digit = (UINT8) (*Str - L'A' + 0x0A); - } else if ((*Str >= L'0') && (*Str <= L'9')) { - Digit = (UINT8) (*Str - L'0'); - } else { - return EFI_INVALID_PARAMETER; - } - - // - // For odd characters, write the upper nibble for each buffer byte, - // and for even characters, the lower nibble. - // - if ((Index & 1) == 0) { - Byte = (UINT8) (Digit << 4); - } else { - Byte = Buf[Index / 2]; - Byte &= 0xF0; - Byte = (UINT8) (Byte | Digit); - } - - Buf[Index / 2] = Byte; - } - - return EFI_SUCCESS; -} - -/** - Converts a string to GUID value. - Guid Format is xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx - - @param Str The registry format GUID string that contains the GUID value. - @param Guid A pointer to the converted GUID value. - - @retval EFI_SUCCESS The GUID string was successfully converted to the GUID value. - @retval EFI_UNSUPPORTED The input string is not in registry format. - @return others Some error occurred when converting part of GUID value. - -**/ -EFI_STATUS -DevicePathLibStrToGuid ( - IN CHAR16 *Str, - OUT EFI_GUID *Guid - ) -{ - // - // Get the first UINT32 data - // - Guid->Data1 = (UINT32) StrHexToUint64 (Str); - while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) { - Str ++; - } - - if (IS_HYPHEN (*Str)) { - Str++; - } else { - return EFI_UNSUPPORTED; - } - - // - // Get the second UINT16 data - // - Guid->Data2 = (UINT16) StrHexToUint64 (Str); - while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) { - Str ++; - } - - if (IS_HYPHEN (*Str)) { - Str++; - } else { - return EFI_UNSUPPORTED; - } - - // - // Get the third UINT16 data - // - Guid->Data3 = (UINT16) StrHexToUint64 (Str); - while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) { - Str ++; - } - - if (IS_HYPHEN (*Str)) { - Str++; - } else { - return EFI_UNSUPPORTED; - } - - // - // Get the following 8 bytes data - // - StrToBuf (&Guid->Data4[0], 2, Str); - // - // Skip 2 byte hex chars - // - Str += 2 * 2; - - if (IS_HYPHEN (*Str)) { - Str++; - } else { - return EFI_UNSUPPORTED; - } - StrToBuf (&Guid->Data4[2], 6, Str); - - return EFI_SUCCESS; -} - -/** - Converts a string to IPv4 address - - @param Str A string representation of IPv4 address. - @param IPv4Addr A pointer to the converted IPv4 address. - -**/ -VOID -StrToIPv4Addr ( - IN OUT CHAR16 **Str, - OUT EFI_IPv4_ADDRESS *IPv4Addr - ) -{ - UINTN Index; - - for (Index = 0; Index < 4; Index++) { - IPv4Addr->Addr[Index] = (UINT8) Strtoi (SplitStr (Str, L'.')); - } -} - -/** - Converts a string to IPv4 address - - @param Str A string representation of IPv6 address. - @param IPv6Addr A pointer to the converted IPv6 address. - -**/ -VOID -StrToIPv6Addr ( - IN OUT CHAR16 **Str, - OUT EFI_IPv6_ADDRESS *IPv6Addr - ) -{ - UINTN Index; - UINT16 Data; - - for (Index = 0; Index < 8; Index++) { - Data = (UINT16) StrHexToUintn (SplitStr (Str, L':')); - IPv6Addr->Addr[Index * 2] = (UINT8) (Data >> 8); - IPv6Addr->Addr[Index * 2 + 1] = (UINT8) (Data & 0xff); - } -} - /** Converts a Unicode string to ASCII string. @@ -567,9 +386,7 @@ DevPathFromTextGenericPath ( (UINT16) (sizeof (EFI_DEVICE_PATH_PROTOCOL) + DataLength) ); - if (DataLength != 0) { - StrToBuf ((UINT8 *) (Node + 1), DataLength, DataStr); - } + StrHexToBytes (DataStr, DataLength * 2, (UINT8 *) (Node + 1), DataLength); return Node; } @@ -740,8 +557,8 @@ ConvertFromTextVendor ( (UINT16) (sizeof (VENDOR_DEVICE_PATH) + Length) ); - DevicePathLibStrToGuid (GuidStr, &Vendor->Guid); - StrToBuf (((UINT8 *) Vendor) + sizeof (VENDOR_DEVICE_PATH), Length, DataStr); + StrToGuid (GuidStr, &Vendor->Guid); + StrHexToBytes (DataStr, Length * 2, (UINT8 *) (Vendor + 1), Length); return (EFI_DEVICE_PATH_PROTOCOL *) Vendor; } @@ -1438,7 +1255,6 @@ DevPathFromTextInfiniband ( CHAR16 *SidStr; CHAR16 *TidStr; CHAR16 *DidStr; - EFI_GUID PortGid; INFINIBAND_DEVICE_PATH *InfiniBand; FlagsStr = GetNextParamStr (&TextDeviceNode); @@ -1453,8 +1269,7 @@ DevPathFromTextInfiniband ( ); InfiniBand->ResourceFlags = (UINT32) Strtoi (FlagsStr); - DevicePathLibStrToGuid (GuidStr, &PortGid); - CopyMem (InfiniBand->PortGid, &PortGid, sizeof (EFI_GUID)); + StrToGuid (GuidStr, (EFI_GUID *) InfiniBand->PortGid); Strtoi64 (SidStr, &InfiniBand->ServiceId); Strtoi64 (TidStr, &InfiniBand->TargetPortId); Strtoi64 (DidStr, &InfiniBand->DeviceId); @@ -1985,7 +1800,7 @@ DevPathFromTextMAC ( MACDevPath->IfType = (UINT8) Strtoi (IfTypeStr); Length = sizeof (EFI_MAC_ADDRESS); - StrToBuf (&MACDevPath->MacAddress.Addr[0], Length, AddressStr); + StrHexToBytes (AddressStr, Length * 2, MACDevPath->MacAddress.Addr, Length); return (EFI_DEVICE_PATH_PROTOCOL *) MACDevPath; } @@ -2049,7 +1864,7 @@ DevPathFromTextIPv4 ( (UINT16) sizeof (IPv4_DEVICE_PATH) ); - StrToIPv4Addr (&RemoteIPStr, &IPv4->RemoteIpAddress); + StrToIpv4Address (RemoteIPStr, NULL, &IPv4->RemoteIpAddress, NULL); IPv4->Protocol = (UINT16) NetworkProtocolFromText (ProtocolStr); if (StrCmp (TypeStr, L"Static") == 0) { IPv4->StaticIpAddress = TRUE; @@ -2057,10 +1872,10 @@ DevPathFromTextIPv4 ( IPv4->StaticIpAddress = FALSE; } - StrToIPv4Addr (&LocalIPStr, &IPv4->LocalIpAddress); + StrToIpv4Address (LocalIPStr, NULL, &IPv4->LocalIpAddress, NULL); if (!IS_NULL (*GatewayIPStr) && !IS_NULL (*SubnetMaskStr)) { - StrToIPv4Addr (&GatewayIPStr, &IPv4->GatewayIpAddress); - StrToIPv4Addr (&SubnetMaskStr, &IPv4->SubnetMask); + StrToIpv4Address (GatewayIPStr, NULL, &IPv4->GatewayIpAddress, NULL); + StrToIpv4Address (SubnetMaskStr, NULL, &IPv4->SubnetMask, NULL); } else { ZeroMem (&IPv4->GatewayIpAddress, sizeof (IPv4->GatewayIpAddress)); ZeroMem (&IPv4->SubnetMask, sizeof (IPv4->SubnetMask)); @@ -2105,7 +1920,7 @@ DevPathFromTextIPv6 ( (UINT16) sizeof (IPv6_DEVICE_PATH) ); - StrToIPv6Addr (&RemoteIPStr, &IPv6->RemoteIpAddress); + StrToIpv6Address (RemoteIPStr, NULL, &IPv6->RemoteIpAddress, NULL); IPv6->Protocol = (UINT16) NetworkProtocolFromText (ProtocolStr); if (StrCmp (TypeStr, L"Static") == 0) { IPv6->IpAddressOrigin = 0; @@ -2115,9 +1930,9 @@ DevPathFromTextIPv6 ( IPv6->IpAddressOrigin = 2; } - StrToIPv6Addr (&LocalIPStr, &IPv6->LocalIpAddress); + StrToIpv6Address (LocalIPStr, NULL, &IPv6->LocalIpAddress, NULL); if (!IS_NULL (*GatewayIPStr) && !IS_NULL (*PrefixLengthStr)) { - StrToIPv6Addr (&GatewayIPStr, &IPv6->GatewayIpAddress); + StrToIpv6Address (GatewayIPStr, NULL, &IPv6->GatewayIpAddress, NULL); IPv6->PrefixLength = (UINT8) Strtoi (PrefixLengthStr); } else { ZeroMem (&IPv6->GatewayIpAddress, sizeof (IPv6->GatewayIpAddress)); @@ -2947,7 +2762,6 @@ DevPathFromTextHD ( CHAR16 *StartStr; CHAR16 *SizeStr; UINT32 Signature32; - EFI_GUID SignatureGuid; HARDDRIVE_DEVICE_PATH *Hd; PartitionStr = GetNextParamStr (&TextDeviceNode); @@ -2976,8 +2790,7 @@ DevPathFromTextHD ( Hd->SignatureType = SIGNATURE_TYPE_GUID; Hd->MBRType = 0x02; - DevicePathLibStrToGuid (SignatureStr, &SignatureGuid); - CopyMem (Hd->Signature, &SignatureGuid, sizeof (EFI_GUID)); + StrToGuid (SignatureStr, (EFI_GUID *) Hd->Signature); } else { Hd->SignatureType = (UINT8) Strtoi (TypeStr); } @@ -3091,7 +2904,7 @@ DevPathFromTextMedia ( (UINT16) sizeof (MEDIA_PROTOCOL_DEVICE_PATH) ); - DevicePathLibStrToGuid (GuidStr, &Media->Protocol); + StrToGuid (GuidStr, &Media->Protocol); return (EFI_DEVICE_PATH_PROTOCOL *) Media; } @@ -3119,7 +2932,7 @@ DevPathFromTextFv ( (UINT16) sizeof (MEDIA_FW_VOL_DEVICE_PATH) ); - DevicePathLibStrToGuid (GuidStr, &Fv->FvName); + StrToGuid (GuidStr, &Fv->FvName); return (EFI_DEVICE_PATH_PROTOCOL *) Fv; } @@ -3147,7 +2960,7 @@ DevPathFromTextFvFile ( (UINT16) sizeof (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH) ); - DevicePathLibStrToGuid (GuidStr, &FvFile->FvFileName); + StrToGuid (GuidStr, &FvFile->FvFileName); return (EFI_DEVICE_PATH_PROTOCOL *) FvFile; } @@ -3219,7 +3032,7 @@ DevPathFromTextRamDisk ( Strtoi64 (EndingAddrStr, &EndingAddr); WriteUnaligned64 ((UINT64 *) &(RamDisk->EndingAddr[0]), EndingAddr); RamDisk->Instance = (UINT16) Strtoi (InstanceStr); - DevicePathLibStrToGuid (TypeGuidStr, &RamDisk->TypeGuid); + StrToGuid (TypeGuidStr, &RamDisk->TypeGuid); return (EFI_DEVICE_PATH_PROTOCOL *) RamDisk; } -- cgit v1.2.3