On 28 October 2016 at 14:36, Leif Lindholm <leif.lindh...@linaro.org> wrote:
> On Fri, Oct 28, 2016 at 11:44:34AM +0100, Ard Biesheuvel wrote:
>> Get rid of calls to unsafe string functions. These are deprecated and may
>> be removed in the future.
>>
>> Contributed-under: TianoCore Contribution Agreement 1.0
>> Signed-off-by: Ard Biesheuvel <ard.biesheu...@linaro.org>
>> ---
>> EmbeddedPkg/Application/AndroidFastboot/AndroidBootImg.c | 3 ++-
>> EmbeddedPkg/Application/AndroidFastboot/AndroidFastbootApp.c | 11
>> ++++++-----
>> 2 files changed, 8 insertions(+), 6 deletions(-)
>>
>> diff --git a/EmbeddedPkg/Application/AndroidFastboot/AndroidBootImg.c
>> b/EmbeddedPkg/Application/AndroidFastboot/AndroidBootImg.c
>> index bbca90fc08a2..f3e770bcc980 100644
>> --- a/EmbeddedPkg/Application/AndroidFastboot/AndroidBootImg.c
>> +++ b/EmbeddedPkg/Application/AndroidFastboot/AndroidBootImg.c
>> @@ -84,7 +84,8 @@ ParseAndroidBootImg (
>> + ALIGN_VALUE (Header->KernelSize, Header->PageSize));
>> }
>>
>> - AsciiStrnCpy (KernelArgs, Header->KernelArgs, BOOTIMG_KERNEL_ARGS_SIZE);
>> + AsciiStrnCpyS (KernelArgs, BOOTIMG_KERNEL_ARGS_SIZE, Header->KernelArgs,
>> + BOOTIMG_KERNEL_ARGS_SIZE);
>>
>> return EFI_SUCCESS;
>> }
>> diff --git a/EmbeddedPkg/Application/AndroidFastboot/AndroidFastbootApp.c
>> b/EmbeddedPkg/Application/AndroidFastboot/AndroidFastbootApp.c
>> index 9ddc34f57cf4..c5e8a7e34af2 100644
>> --- a/EmbeddedPkg/Application/AndroidFastboot/AndroidFastbootApp.c
>> +++ b/EmbeddedPkg/Application/AndroidFastboot/AndroidFastbootApp.c
>> @@ -99,7 +99,7 @@ HandleDownload (
>> IN CHAR8 *NumBytesString
>> )
>> {
>> - CHAR8 Response[12] = "DATA";
>> + CHAR8 Response[13];
>> CHAR16 OutputString[FASTBOOT_STRING_MAX_LENGTH];
>>
>> // Argument is 8-character ASCII string hex representation of number of
>> bytes
>> @@ -127,8 +127,10 @@ HandleDownload (
>> if (mDataBuffer == NULL) {
>> SEND_LITERAL ("FAILNot enough memory");
>> } else {
>> - AsciiStrnCpy (Response + 4, NumBytesString, 8);
>> - mTransport->Send (sizeof(Response), Response, &mFatalSendErrorEvent);
>> + ZeroMem (Response, sizeof Response);
>> + AsciiSPrint (Response, sizeof Response, "DATA%x",
>> + (UINT32)mNumDataBytes);
>
> I'll try to keep the bikeshedding to a minimum, but since
> mNumDataBytes is generated from NumBytesString in the first place, why
> not do
> "DATA%s", NumBytesString
> ?
>
Are you asking me? Or the author of the original code?
>> + mTransport->Send (sizeof Response - 1, Response, &mFatalSendErrorEvent);
>>
>> mState = ExpectDataState;
>> mBytesReceivedSoFar = 0;
>> @@ -257,8 +259,7 @@ AcceptCmd (
>> }
>>
>> // Commands aren't null-terminated. Let's get a null-terminated version.
>> - AsciiStrnCpy (Command, Data, Size);
>> - Command[Size] = '\0';
>> + AsciiStrnCpyS (Command, sizeof Command, Data, Size);
>>
>> // Parse command
>> if (MATCH_CMD_LITERAL ("getvar", Command)) {
>> --
>> 2.7.4
>>
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