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[coap-message] add HelpData::Clear() method (#4315)

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Abtin Keshavarzian
2019-12-04 12:42:33 -08:00
committed by Jonathan Hui
parent 663b59eb57
commit 4a9d80cef1
2 changed files with 6 additions and 3 deletions
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src/core/coap/coap_message.cpp
+3 -3
View File
@@ -45,7 +45,7 @@ namespace Coap {
void Message::Init(void)
{
memset(&GetHelpData(), 0, sizeof(GetHelpData()));
GetHelpData().Clear();
SetVersion(kVersion1);
SetOffset(0);
GetHelpData().mHeaderLength = kMinHeaderLength;
@@ -211,7 +211,7 @@ const otCoapOption *Message::GetFirstOption(void)
{
const otCoapOption *option = NULL;
memset(&GetHelpData().mOption, 0, sizeof(GetHelpData().mOption));
GetHelpData().ClearOption();
VerifyOrExit(GetLength() - GetHelpData().mHeaderOffset >= GetOptionStart());
@@ -346,7 +346,7 @@ otError Message::ParseHeader(void)
sizeof(GetHelpData()) +
static_cast<size_t>((reinterpret_cast<uint8_t *>(&GetHelpData()) - mBuffer.mHead.mData)));
memset(&GetHelpData(), 0, sizeof(GetHelpData()));
GetHelpData().Clear();
GetHelpData().mHeaderOffset = GetOffset();
Read(GetHelpData().mHeaderOffset, sizeof(GetHelpData().mHeader), &GetHelpData().mHeader);
src/core/coap/coap_message.hpp
+3
View File
@@ -585,6 +585,9 @@ private:
*/
struct HelpData
{
void Clear(void) { memset(this, 0, sizeof(*this)); }
void ClearOption(void) { memset(&mOption, 0, sizeof(mOption)); }
Header mHeader;
otCoapOption mOption;
uint16_t mNextOptionOffset; ///< The byte offset for the next CoAP Option