Store the number of bytes read for the line

common/socket_helper.c

@@ -74,6 +74,7 @@ static struct line_read_result read_line(const char *buffer, int buffer_size, st
     result.line = malloc((line_size + 1) * sizeof(char));
     memcpy(result.line, buffer, line_size);
     result.line[line_size] = '\0';
+    result.bytes_read = line_size;
     if (result.line_type == RESULT_START_LINE) {
         message->start_line = malloc((line_size + 1) * sizeof(char));
         strcpy(message->start_line, result.line);