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Merge pull request #273 from mysensors/null-check-fix

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Patrick Fallberg
2015-11-30 07:24:57 +01:00
parent 7f468df165 6d97702b29
commit 654e804744
1 changed files with 5 additions and 2 deletions
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libraries/MySensors/core/MyMessage.cpp
+5 -2
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@@ -200,10 +200,13 @@ MyMessage& MyMessage::set(void* value, uint8_t length) {
} }
MyMessage& MyMessage::set(const char* value) { MyMessage& MyMessage::set(const char* value) {
uint8_t length = min(strlen(value), MAX_PAYLOAD); uint8_t length = value == NULL ? 0 : min(strlen(value), MAX_PAYLOAD);
miSetLength(length); miSetLength(length);
miSetPayloadType(P_STRING); miSetPayloadType(P_STRING);
strncpy(data, value, length); if (length)
strncpy(data, value, length);
else
data[0] ='\0';
return *this; return *this;
} }