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be sure to copy not too much data to buf

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This commit is contained in:
Gerhard Hoffmann 2024-06-27 13:23:15 +02:00
parent dda9e4ad8f
commit 91ce1c84d8
1 changed files with 2 additions and 1 deletions
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src/datIf.cpp
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@ -14,6 +14,7 @@ History:
#include <QDir> #include <QDir>
#include <algorithm> // min/max
@ -1048,7 +1049,7 @@ char T_datif::loadRecDataFromFrame()
// only use as many bytes as maximally possible // only use as many bytes as maximally possible
char buf[sizeof(struct T_dynamicCondition)]; char buf[sizeof(struct T_dynamicCondition)];
memset(buf, 0, sizeof(buf)); memset(buf, 0, sizeof(buf));
memcpy(buf, receivedData, sizeof(struct T_dynamicCondition)); memcpy(buf, receivedData, std::min(sizeof(receivedData), sizeof(struct T_dynamicCondition)));
gpi_storeDynMachineConditions(buf); gpi_storeDynMachineConditions(buf);
} else { } else {
gpi_storeDynMachineConditions(receivedData); gpi_storeDynMachineConditions(receivedData);