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Try and fix a crash.

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This commit is contained in:
Jonathan Naylor
2021-03-14 16:24:48 +00:00
parent 75e8e95aad
commit d0ccc0ee61
2 changed files with 10 additions and 4 deletions
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12
FMNetwork.cpp
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@@ -25,7 +25,7 @@
#include <cassert>
#include <cstring>
const unsigned int BUFFER_LENGTH = 500U;
const unsigned int BUFFER_LENGTH = 1500U;
CFMNetwork::CFMNetwork(const std::string& protocol, const std::string& localAddress, unsigned int localPort, const std::string& gatewayAddress, unsigned int gatewayPort, unsigned int sampleRate, bool debug) :
m_protocol(FMNP_MMDVM),
@@ -111,8 +111,8 @@ bool CFMNetwork::writeData(float* data, unsigned int nSamples)
}
#endif
unsigned char buffer[2000U];
::memset(buffer, 0x00U, 2000U);
unsigned char buffer[1500U];
::memset(buffer, 0x00U, 1500U);
unsigned int length = 0U;
@@ -237,6 +237,9 @@ void CFMNetwork::clock(unsigned int ms)
if (::memcmp(buffer, "USRP", 4U) != 0)
return;
if (length < 32)
return;
// The type is a big-endian 4-byte integer
unsigned int type = (buffer[20U] << 24) +
(buffer[21U] << 16) +
@@ -254,6 +257,9 @@ void CFMNetwork::clock(unsigned int ms)
if (::memcmp(buffer, "FMD", 3U) != 0)
return;
if (length < 3)
return;
m_buffer.addData(buffer + 3U, length - 3U);
}
}