improved maintainability

Author: Alexsey-VR

Makefile

@@ -8,7 +8,7 @@ validate:
 	composer validate
 
 analyze:
-	./vendor/bin/phpstan analyze --level 3 --ansi src/ tests/
+	composer exec -v phpstan analyse -- -c vendor/phpstan/phpstan/conf/phpstan.neon --level 10 --ansi src/ tests/
 
 lint:
 	composer exec --verbose phpcs -- --standard=PSR12 src/ bin/

src/CommandLineParser.php

@@ -21,7 +21,7 @@ public function __construct(mixed $parser = null)
             if ($handler !== false) {
                 $fileData = fread(
                     $handler,
-                    ($filesize !== false) ? $filesize : 1
+                    ($filesize !== false) ? max(1, $filesize) : 1
                 );
                 $this->parserDescriptor = is_string($fileData) ? $fileData : "";
                 fclose($handler);