diff options
Diffstat (limited to 'test/lint/lint-format-strings.py')
-rwxr-xr-x | test/lint/lint-format-strings.py | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/test/lint/lint-format-strings.py b/test/lint/lint-format-strings.py new file mode 100755 index 0000000000..28e7b1e4ff --- /dev/null +++ b/test/lint/lint-format-strings.py @@ -0,0 +1,98 @@ +#!/usr/bin/env python3 +# +# Copyright (c) 2018-2022 The Bitcoin Core developers +# Distributed under the MIT software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. +# + +""" +Lint format strings: This program checks that the number of arguments passed +to a variadic format string function matches the number of format specifiers +in the format string. +""" + +import subprocess +import re +import sys + +FUNCTION_NAMES_AND_NUMBER_OF_LEADING_ARGUMENTS = [ + 'FatalError,0', + 'fprintf,1', + 'tfm::format,1', # Assuming tfm::::format(std::ostream&, ... + 'LogConnectFailure,1', + 'LogPrint,1', + 'LogPrintf,0', + 'printf,0', + 'snprintf,2', + 'sprintf,1', + 'strprintf,0', + 'vfprintf,1', + 'vprintf,1', + 'vsnprintf,1', + 'vsprintf,1', + 'WalletLogPrintf,0', +] +RUN_LINT_FILE = 'test/lint/run-lint-format-strings.py' + +def check_doctest(): + command = [ + sys.executable, + '-m', + 'doctest', + RUN_LINT_FILE, + ] + try: + subprocess.run(command, check = True) + except subprocess.CalledProcessError: + sys.exit(1) + +def get_matching_files(function_name): + command = [ + 'git', + 'grep', + '--full-name', + '-l', + function_name, + '--', + '*.c', + '*.cpp', + '*.h', + ] + try: + return subprocess.check_output(command, stderr = subprocess.STDOUT).decode('utf-8').splitlines() + except subprocess.CalledProcessError as e: + if e.returncode > 1: # return code is 1 when match is empty + print(e.output.decode('utf-8'), end='') + sys.exit(1) + return [] + +def main(): + exit_code = 0 + check_doctest() + for s in FUNCTION_NAMES_AND_NUMBER_OF_LEADING_ARGUMENTS: + function_name, skip_arguments = s.split(',') + matching_files = get_matching_files(function_name) + + matching_files_filtered = [] + for matching_file in matching_files: + if not re.search('^src/(leveldb|secp256k1|minisketch|tinyformat|univalue|test/fuzz/strprintf.cpp)', matching_file): + matching_files_filtered.append(matching_file) + matching_files_filtered.sort() + + run_lint_args = [ + RUN_LINT_FILE, + '--skip-arguments', + skip_arguments, + function_name, + ] + run_lint_args.extend(matching_files_filtered) + + try: + subprocess.run(run_lint_args, check = True) + except subprocess.CalledProcessError: + exit_code = 1 + + sys.exit(exit_code) + +if __name__ == '__main__': + main() |