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Avoid strncpy for commands

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This commit is contained in:
Pieter Wuille 2020-10-09 19:51:19 -07:00
parent 89929dab5c
commit 24e1cac582
1 changed files with 3 additions and 1 deletions
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4
protocol.cpp
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@ -36,7 +36,9 @@ CMessageHeader::CMessageHeader()
CMessageHeader::CMessageHeader(const char* pszCommand, unsigned int nMessageSizeIn) CMessageHeader::CMessageHeader(const char* pszCommand, unsigned int nMessageSizeIn)
{ {
memcpy(pchMessageStart, ::pchMessageStart, sizeof(pchMessageStart)); memcpy(pchMessageStart, ::pchMessageStart, sizeof(pchMessageStart));
strncpy(pchCommand, pszCommand, COMMAND_SIZE); int command_len = strlen(pszCommand);
memcpy(pchCommand, pszCommand, command_len);
memset(pchCommand + command_len, 0, COMMAND_SIZE - command_len);
nMessageSize = nMessageSizeIn; nMessageSize = nMessageSizeIn;
nChecksum = 0; nChecksum = 0;
} }