Promote warning to exception in the convert_uudecode() function

Author: kocsismate

ext/standard/tests/strings/bug67252.phpt

@@ -2,11 +2,11 @@
 Bug #67252 (convert_uudecode out-of-bounds read)
 --FILE--
 <?php
-
-$a = "M86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A"."\n"."a.";
-var_dump(convert_uudecode($a));
-
+try {
+    convert_uudecode("M86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A" . "\n" . "a.");
+} catch (ValueError $exception) {
+    echo $exception->getMessage() . "\n";
+}
 ?>
---EXPECTF--
-Warning: convert_uudecode(): The given parameter is not a valid uuencoded string in %s on line %d
-bool(false)
+--EXPECT--
+The given parameter is not a valid uuencoded string

ext/standard/uuencode.c

@@ -222,8 +222,8 @@ PHP_FUNCTION(convert_uudecode)
 	if (ZSTR_LEN(src) < 1) { RETURN_FALSE; }
 
 	if ((dest = php_uudecode(ZSTR_VAL(src), ZSTR_LEN(src))) == NULL) {
-		php_error_docref(NULL, E_WARNING, "The given parameter is not a valid uuencoded string");
-		RETURN_FALSE;
+		zend_value_error("The given parameter is not a valid uuencoded string");
+		return;
 	}
 
 	RETURN_STR(dest);