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#!/usr/bin/env bash
#
# Copyright (c) 2018-2020 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.
export LC_ALL=C
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"
)
EXIT_CODE=0
if ! python3 -m doctest test/lint/lint-format-strings.py; then
EXIT_CODE=1
fi
for S in "${FUNCTION_NAMES_AND_NUMBER_OF_LEADING_ARGUMENTS[@]}"; do
IFS="," read -r FUNCTION_NAME SKIP_ARGUMENTS <<< "${S}"
for MATCHING_FILE in $(git grep --full-name -l "${FUNCTION_NAME}" -- "*.c" "*.cpp" "*.h" | sort | grep -vE "^src/(leveldb|secp256k1|minisketch|tinyformat|univalue|test/fuzz/strprintf.cpp)"); do
MATCHING_FILES+=("${MATCHING_FILE}")
done
if ! test/lint/lint-format-strings.py --skip-arguments "${SKIP_ARGUMENTS}" "${FUNCTION_NAME}" "${MATCHING_FILES[@]}"; then
EXIT_CODE=1
fi
done
exit ${EXIT_CODE}
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