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Minor cleanup in BPF filtering code

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This commit is contained in:
Tim Wojtulewicz 2022-08-12 09:13:26 -07:00
parent 072158d4b6
commit 767c83ede8
3 changed files with 33 additions and 20 deletions
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6
src/iosource/BPF_Program.cc
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@ -71,7 +71,7 @@ static bool filter_matches_anything(const char* filter)
return (! filter) || strlen(filter) == 0 || strcmp(filter, "ip or not ip") == 0;
}
BPF_Program::BPF_Program() : m_compiled(), m_matches_anything(false), m_program() { }
BPF_Program::BPF_Program() : m_program() { }
BPF_Program::~BPF_Program()
{
@ -98,7 +98,7 @@ bool BPF_Program::Compile(pcap_t* pcap, const char* filter, uint32_t netmask, st
return true;
}
bool BPF_Program::Compile(int snaplen, int linktype, const char* filter, uint32_t netmask,
bool BPF_Program::Compile(zeek_uint_t snaplen, int linktype, const char* filter, uint32_t netmask,
std::string& errbuf, bool optimize)
{
FreeCode();
@ -122,7 +122,7 @@ bool BPF_Program::Compile(int snaplen, int linktype, const char* filter, uint32_
if ( err < 0 )
errbuf = std::string(my_error);
#else
int err = pcap_compile_nopcap(snaplen, linktype, &m_program, (char*)filter, optimize, netmask);
int err = pcap_compile_nopcap(static_cast<int>(snaplen), linktype, &m_program, (char*)filter, optimize, netmask);
if ( err < 0 )
errbuf.clear();