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Only write if > 0 bytes

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jmjatlanta 2016-12-15 12:40:05 -05:00
parent 16cac29f57
commit 3ddd63afb7
1 changed files with 4 additions and 2 deletions
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6
protobuf.c
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@ -22,8 +22,10 @@ int protobuf_encode_length_delimited(int field_number, enum WireType field_type,
varint_encode(incoming_length, &buffer[*bytes_written], max_buffer_length - *bytes_written, &bytes_processed);
*bytes_written += bytes_processed;
// field value
memcpy(&buffer[*bytes_written], incoming, incoming_length);
*bytes_written += incoming_length;
if (incoming_length > 0) {
memcpy(&buffer[*bytes_written], incoming, incoming_length);
*bytes_written += incoming_length;
}
return 1;
}