diff --git a/api/CanMsg.h b/api/CanMsg.h
index dfece0d6..eaa3f0ed 100644
--- a/api/CanMsg.h
+++ b/api/CanMsg.h
@@ -45,7 +45,8 @@ class CanMsg : public Printable
, data_length{min(can_data_len, MAX_DATA_LENGTH)}
, data{0}
{
- memcpy(data, can_data_ptr, data_length);
+ if (data_length && can_data_ptr)
+ memcpy(data, can_data_ptr, data_length);
}
CanMsg() : CanMsg(0, 0, nullptr) { }
@@ -54,7 +55,8 @@ class CanMsg : public Printable
{
this->id = other.id;
this->data_length = other.data_length;
- memcpy(this->data, other.data, this->data_length);
+ if (this->data_length && other.data)
+ memcpy(this->data, other.data, this->data_length);
}
virtual ~CanMsg() { }
@@ -65,7 +67,8 @@ class CanMsg : public Printable
{
this->id = other.id;
this->data_length = other.data_length;
- memcpy(this->data, other.data, this->data_length);
+ if (this->data_length && other.data)
+ memcpy(this->data, other.data, this->data_length);
}
return (*this);
}
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