cpp: cpplint: Add config file

CPPLINT.cfg

@@ -0,0 +1,95 @@
+#
+# This file is part of Sanmill.
+# Copyright (C) 2021 The Sanmill developers (see AUTHORS file)
+#
+# Sanmill is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Sanmill is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+#
+# Don't search for additional CPPLINT.cfg in parent directories.
+set noparent
+# Use 'ART_' as the cpp header guard prefix (e.g. #ifndef ART_PATH_TO_FILE_H_).
+root=..
+# Limit line length.
+linelength=256
+# Ignore the following categories of errors, as specified by the filter:
+# (the filter settings are concatenated together)
+filter=+build/class
+filter=-build/c++11
+filter=+build/c++14
+filter=+build/c++tr1
+filter=+build/deprecated
+filter=+build/endif_comment
+filter=+build/explicit_make_pair
+filter=+build/forward_decl
+filter=-build/header_guard
+filter=-build/include_subdir
+filter=+build/include_alpha
+filter=-build/include_order
+filter=-build/include
+filter=+build/include_what_you_use
+filter=+build/namespaces_headers
+filter=+build/namespaces_literals
+filter=+build/namespaces
+filter=+build/printf_format
+filter=+build/storage_class
+filter=+legal/copyright
+filter=+readability/alt_tokens
+filter=+readability/braces
+filter=-readability/casting
+filter=+readability/check
+filter=+readability/constructors
+filter=+readability/fn_size
+filter=+readability/inheritance
+filter=+readability/multiline_comment
+filter=+readability/multiline_string
+filter=+readability/namespace
+filter=+readability/nolint
+filter=+readability/nul
+filter=+readability/strings
+filter=+readability/todo
+filter=+readability/utf8
+filter=+runtime/arrays
+filter=+runtime/casting
+filter=+runtime/explicit
+filter=+runtime/int
+filter=+runtime/init
+filter=+runtime/invalid_increment
+filter=+runtime/member_string_references
+filter=+runtime/memset
+filter=+runtime/indentation_namespace
+filter=+runtime/operator
+filter=+runtime/printf
+filter=+runtime/printf_format
+filter=-runtime/references
+filter=-runtime/string
+filter=+runtime/threadsafe_fn
+filter=+runtime/vlog
+filter=+whitespace/blank_line
+filter=-whitespace/braces
+filter=+whitespace/comma
+filter=-whitespace/comments
+filter=+whitespace/empty_conditional_body
+filter=+whitespace/empty_if_body
+filter=+whitespace/empty_loop_body
+filter=+whitespace/end_of_line
+filter=+whitespace/ending_newline
+filter=+whitespace/forcolon
+filter=-whitespace/indent
+filter=+whitespace/line_length
+filter=+whitespace/newline
+filter=+whitespace/operators
+filter=-whitespace/parens
+filter=+whitespace/semicolon
+filter=+whitespace/tab
+filter=+whitespace/todo