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merge bitcoin#24932: Convert lint-locale-dependence.sh to Python
This commit is contained in:
Kittywhiskers Van Gogh
parent
f745b7f7ef
commit
852f55e23c
264
test/lint/lint-locale-dependence.py
Executable file
264
test/lint/lint-locale-dependence.py
Executable file
@ -0,0 +1,264 @@
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#!/usr/bin/env python3
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# Copyright (c) 2018-2022 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#
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# Be aware that bitcoind and bitcoin-qt differ in terms of localization: Qt
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# opts in to POSIX localization by running setlocale(LC_ALL, "") on startup,
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# whereas no such call is made in bitcoind.
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#
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# Qt runs setlocale(LC_ALL, "") on initialization. This installs the locale
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# specified by the user's LC_ALL (or LC_*) environment variable as the new
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# C locale.
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#
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# In contrast, bitcoind does not opt in to localization -- no call to
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# setlocale(LC_ALL, "") is made and the environment variables LC_* are
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# thus ignored.
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#
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# This results in situations where bitcoind is guaranteed to be running
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# with the classic locale ("C") whereas the locale of bitcoin-qt will vary
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# depending on the user's environment variables.
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#
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# An example: Assuming the environment variable LC_ALL=de_DE then the
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# call std::to_string(1.23) will return "1.230000" in bitcoind but
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# "1,230000" in bitcoin-qt.
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#
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# From the Qt documentation:
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# "On Unix/Linux Qt is configured to use the system locale settings by default.
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# This can cause a conflict when using POSIX functions, for instance, when
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# converting between data types such as floats and strings, since the notation
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# may differ between locales. To get around this problem, call the POSIX function
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# setlocale(LC_NUMERIC,"C") right after initializing QApplication, QGuiApplication
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# or QCoreApplication to reset the locale that is used for number formatting to
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# "C"-locale."
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#
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# See https://doc.qt.io/qt-5/qcoreapplication.html#locale-settings and
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# https://stackoverflow.com/a/34878283 for more details.
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#
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# TODO: Reduce KNOWN_VIOLATIONS by replacing uses of locale dependent stoul/strtol with locale
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# independent ToIntegral<T>(...).
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# TODO: Reduce KNOWN_VIOLATIONS by replacing uses of locale dependent snprintf with strprintf.
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import re
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import sys
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from subprocess import check_output, CalledProcessError
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KNOWN_VIOLATIONS = [
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"src/bitcoin-tx.cpp.*stoul",
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"src/dbwrapper.cpp:.*vsnprintf",
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"src/test/dbwrapper_tests.cpp:.*snprintf",
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"src/test/fuzz/locale.cpp",
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"src/test/fuzz/string.cpp",
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"src/util/strencodings.cpp:.*strtoll",
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"src/util/system.cpp:.*fprintf"
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]
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REGEXP_EXTERNAL_DEPENDENCIES_EXCLUSIONS = [
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"src/crypto/ctaes/",
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"src/leveldb/",
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"src/secp256k1/",
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"src/minisketch/",
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"src/tinyformat.h",
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"src/univalue/",
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"src/dashbls/",
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"src/immer/"
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]
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LOCALE_DEPENDENT_FUNCTIONS = [
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"alphasort", # LC_COLLATE (via strcoll)
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"asctime", # LC_TIME (directly)
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"asprintf", # (via vasprintf)
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"atof", # LC_NUMERIC (via strtod)
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"atoi", # LC_NUMERIC (via strtol)
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"atol", # LC_NUMERIC (via strtol)
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"atoll", # (via strtoll)
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"atoq",
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"btowc", # LC_CTYPE (directly)
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"ctime", # (via asctime or localtime)
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"dprintf", # (via vdprintf)
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"fgetwc",
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"fgetws",
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"fold_case", # boost::locale::fold_case
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"fprintf", # (via vfprintf)
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"fputwc",
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"fputws",
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"fscanf", # (via __vfscanf)
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"fwprintf", # (via __vfwprintf)
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"getdate", # via __getdate_r => isspace // __localtime_r
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"getwc",
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"getwchar",
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"is_digit", # boost::algorithm::is_digit
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"is_space", # boost::algorithm::is_space
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"isalnum", # LC_CTYPE
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"isalpha", # LC_CTYPE
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"isblank", # LC_CTYPE
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"iscntrl", # LC_CTYPE
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"isctype", # LC_CTYPE
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"isdigit", # LC_CTYPE
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"isgraph", # LC_CTYPE
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"islower", # LC_CTYPE
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"isprint", # LC_CTYPE
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"ispunct", # LC_CTYPE
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"isspace", # LC_CTYPE
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"isupper", # LC_CTYPE
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"iswalnum", # LC_CTYPE
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"iswalpha", # LC_CTYPE
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"iswblank", # LC_CTYPE
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"iswcntrl", # LC_CTYPE
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"iswctype", # LC_CTYPE
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"iswdigit", # LC_CTYPE
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"iswgraph", # LC_CTYPE
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"iswlower", # LC_CTYPE
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"iswprint", # LC_CTYPE
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"iswpunct", # LC_CTYPE
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"iswspace", # LC_CTYPE
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"iswupper", # LC_CTYPE
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"iswxdigit", # LC_CTYPE
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"isxdigit", # LC_CTYPE
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"localeconv", # LC_NUMERIC + LC_MONETARY
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"mblen", # LC_CTYPE
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"mbrlen",
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"mbrtowc",
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"mbsinit",
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"mbsnrtowcs",
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"mbsrtowcs",
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"mbstowcs", # LC_CTYPE
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"mbtowc", # LC_CTYPE
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"mktime",
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"normalize", # boost::locale::normalize
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"printf", # LC_NUMERIC
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"putwc",
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"putwchar",
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"scanf", # LC_NUMERIC
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"setlocale",
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"snprintf",
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"sprintf",
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"sscanf",
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"std::locale::global",
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"std::to_string",
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"stod",
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"stof",
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"stoi",
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"stol",
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"stold",
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"stoll",
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"stoul",
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"stoull",
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"strcasecmp",
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"strcasestr",
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"strcoll", # LC_COLLATE
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#"strerror",
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"strfmon",
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"strftime", # LC_TIME
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"strncasecmp",
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"strptime",
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"strtod", # LC_NUMERIC
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"strtof",
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"strtoimax",
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"strtol", # LC_NUMERIC
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"strtold",
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"strtoll",
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"strtoq",
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"strtoul", # LC_NUMERIC
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"strtoull",
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"strtoumax",
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"strtouq",
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"strxfrm", # LC_COLLATE
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"swprintf",
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"to_lower", # boost::locale::to_lower
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"to_title", # boost::locale::to_title
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"to_upper", # boost::locale::to_upper
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"tolower", # LC_CTYPE
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"toupper", # LC_CTYPE
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"towctrans",
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"towlower", # LC_CTYPE
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"towupper", # LC_CTYPE
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"trim", # boost::algorithm::trim
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"trim_left", # boost::algorithm::trim_left
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"trim_right", # boost::algorithm::trim_right
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"ungetwc",
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"vasprintf",
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"vdprintf",
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"versionsort",
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"vfprintf",
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"vfscanf",
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"vfwprintf",
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"vprintf",
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"vscanf",
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"vsnprintf",
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"vsprintf",
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"vsscanf",
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"vswprintf",
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"vwprintf",
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"wcrtomb",
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"wcscasecmp",
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"wcscoll", # LC_COLLATE
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"wcsftime", # LC_TIME
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"wcsncasecmp",
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"wcsnrtombs",
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"wcsrtombs",
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"wcstod", # LC_NUMERIC
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"wcstof",
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"wcstoimax",
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"wcstol", # LC_NUMERIC
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"wcstold",
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"wcstoll",
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"wcstombs", # LC_CTYPE
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"wcstoul", # LC_NUMERIC
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"wcstoull",
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"wcstoumax",
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"wcswidth",
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"wcsxfrm", # LC_COLLATE
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"wctob",
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"wctomb", # LC_CTYPE
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"wctrans",
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"wctype",
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"wcwidth",
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"wprintf"
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]
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def find_locale_dependent_function_uses():
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regexp_locale_dependent_functions = "|".join(LOCALE_DEPENDENT_FUNCTIONS)
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exclude_args = [":(exclude)" + excl for excl in REGEXP_EXTERNAL_DEPENDENCIES_EXCLUSIONS]
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git_grep_command = ["git", "grep", "-E", "[^a-zA-Z0-9_\\`'\"<>](" + regexp_locale_dependent_functions + "(_r|_s)?)[^a-zA-Z0-9_\\`'\"<>]", "--", "*.cpp", "*.h"] + exclude_args
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git_grep_output = list()
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try:
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git_grep_output = check_output(git_grep_command, universal_newlines=True, encoding="utf8").splitlines()
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except CalledProcessError as e:
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if e.returncode > 1:
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raise e
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return git_grep_output
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def main():
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exit_code = 0
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regexp_ignore_known_violations = "|".join(KNOWN_VIOLATIONS)
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git_grep_output = find_locale_dependent_function_uses()
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for locale_dependent_function in LOCALE_DEPENDENT_FUNCTIONS:
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matches = [line for line in git_grep_output
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if re.search("[^a-zA-Z0-9_\\`'\"<>]" + locale_dependent_function + "(_r|_s)?[^a-zA-Z0-9_\\`'\"<>]", line)
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and not re.search("\\.(c|cpp|h):\\s*(//|\\*|/\\*|\").*" + locale_dependent_function, line)
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and not re.search(regexp_ignore_known_violations, line)]
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if matches:
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print(f"The locale dependent function {locale_dependent_function}(...) appears to be used:")
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for match in matches:
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print(match)
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print("")
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exit_code = 1
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if exit_code == 1:
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print("Unnecessary locale depedence can cause bugs that are very tricky to isolate and fix. Please avoid using locale dependent functions if possible.\n")
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print(f"Advice not applicable in this specific case? Add an exception by updating the ignore list in {sys.argv[0]}")
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sys.exit(exit_code)
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if __name__ == "__main__":
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main()
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@ -1,246 +0,0 @@
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#!/usr/bin/env bash
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# Copyright (c) 2018-2020 The Bitcoin Core developers
|
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# Distributed under the MIT software license, see the accompanying
|
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
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export LC_ALL=C
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# TODO: Reduce KNOWN_VIOLATIONS by replacing uses of locale dependent stoul/strtol with locale
|
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# independent ToIntegral<T>(...).
|
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# TODO: Reduce KNOWN_VIOLATIONS by replacing uses of locale dependent snprintf with strprintf.
|
|
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|
|
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# Be aware that bitcoind and bitcoin-qt differ in terms of localization: Qt
|
|
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# opts in to POSIX localization by running setlocale(LC_ALL, "") on startup,
|
|
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# whereas no such call is made in bitcoind.
|
|
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#
|
|
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# Qt runs setlocale(LC_ALL, "") on initialization. This installs the locale
|
|
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# specified by the user's LC_ALL (or LC_*) environment variable as the new
|
|
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# C locale.
|
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#
|
|
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# In contrast, bitcoind does not opt in to localization -- no call to
|
|
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# setlocale(LC_ALL, "") is made and the environment variables LC_* are
|
|
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# thus ignored.
|
|
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#
|
|
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# This results in situations where bitcoind is guaranteed to be running
|
|
||||||
# with the classic locale ("C") whereas the locale of bitcoin-qt will vary
|
|
||||||
# depending on the user's environment variables.
|
|
||||||
#
|
|
||||||
# An example: Assuming the environment variable LC_ALL=de_DE then the
|
|
||||||
# call std::to_string(1.23) will return "1.230000" in bitcoind but
|
|
||||||
# "1,230000" in bitcoin-qt.
|
|
||||||
#
|
|
||||||
# From the Qt documentation:
|
|
||||||
# "On Unix/Linux Qt is configured to use the system locale settings by default.
|
|
||||||
# This can cause a conflict when using POSIX functions, for instance, when
|
|
||||||
# converting between data types such as floats and strings, since the notation
|
|
||||||
# may differ between locales. To get around this problem, call the POSIX function
|
|
||||||
# setlocale(LC_NUMERIC,"C") right after initializing QApplication, QGuiApplication
|
|
||||||
# or QCoreApplication to reset the locale that is used for number formatting to
|
|
||||||
# "C"-locale."
|
|
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#
|
|
||||||
# See https://doc.qt.io/qt-5/qcoreapplication.html#locale-settings and
|
|
||||||
# https://stackoverflow.com/a/34878283 for more details.
|
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|
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KNOWN_VIOLATIONS=(
|
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"src/bitcoin-tx.cpp.*stoul"
|
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"src/dbwrapper.cpp:.*vsnprintf"
|
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"src/test/dbwrapper_tests.cpp:.*snprintf"
|
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||||||
"src/test/fuzz/locale.cpp"
|
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||||||
"src/test/fuzz/string.cpp"
|
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||||||
"src/util/strencodings.cpp:.*strtoll"
|
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||||||
"src/util/system.cpp:.*fprintf"
|
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||||||
)
|
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|
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REGEXP_IGNORE_EXTERNAL_DEPENDENCIES="^src/(dashbls/|immer/|crypto/ctaes/|leveldb/|secp256k1/|minisketch/|tinyformat.h|univalue/)"
|
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|
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LOCALE_DEPENDENT_FUNCTIONS=(
|
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alphasort # LC_COLLATE (via strcoll)
|
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asctime # LC_TIME (directly)
|
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asprintf # (via vasprintf)
|
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atof # LC_NUMERIC (via strtod)
|
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atoi # LC_NUMERIC (via strtol)
|
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atol # LC_NUMERIC (via strtol)
|
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atoll # (via strtoll)
|
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atoq
|
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btowc # LC_CTYPE (directly)
|
|
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ctime # (via asctime or localtime)
|
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dprintf # (via vdprintf)
|
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fgetwc
|
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fgetws
|
|
||||||
fold_case # boost::locale::fold_case
|
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||||||
fprintf # (via vfprintf)
|
|
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fputwc
|
|
||||||
fputws
|
|
||||||
fscanf # (via __vfscanf)
|
|
||||||
fwprintf # (via __vfwprintf)
|
|
||||||
getdate # via __getdate_r => isspace // __localtime_r
|
|
||||||
getwc
|
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||||||
getwchar
|
|
||||||
is_digit # boost::algorithm::is_digit
|
|
||||||
is_space # boost::algorithm::is_space
|
|
||||||
isalnum # LC_CTYPE
|
|
||||||
isalpha # LC_CTYPE
|
|
||||||
isblank # LC_CTYPE
|
|
||||||
iscntrl # LC_CTYPE
|
|
||||||
isctype # LC_CTYPE
|
|
||||||
isdigit # LC_CTYPE
|
|
||||||
isgraph # LC_CTYPE
|
|
||||||
islower # LC_CTYPE
|
|
||||||
isprint # LC_CTYPE
|
|
||||||
ispunct # LC_CTYPE
|
|
||||||
isspace # LC_CTYPE
|
|
||||||
isupper # LC_CTYPE
|
|
||||||
iswalnum # LC_CTYPE
|
|
||||||
iswalpha # LC_CTYPE
|
|
||||||
iswblank # LC_CTYPE
|
|
||||||
iswcntrl # LC_CTYPE
|
|
||||||
iswctype # LC_CTYPE
|
|
||||||
iswdigit # LC_CTYPE
|
|
||||||
iswgraph # LC_CTYPE
|
|
||||||
iswlower # LC_CTYPE
|
|
||||||
iswprint # LC_CTYPE
|
|
||||||
iswpunct # LC_CTYPE
|
|
||||||
iswspace # LC_CTYPE
|
|
||||||
iswupper # LC_CTYPE
|
|
||||||
iswxdigit # LC_CTYPE
|
|
||||||
isxdigit # LC_CTYPE
|
|
||||||
localeconv # LC_NUMERIC + LC_MONETARY
|
|
||||||
mblen # LC_CTYPE
|
|
||||||
mbrlen
|
|
||||||
mbrtowc
|
|
||||||
mbsinit
|
|
||||||
mbsnrtowcs
|
|
||||||
mbsrtowcs
|
|
||||||
mbstowcs # LC_CTYPE
|
|
||||||
mbtowc # LC_CTYPE
|
|
||||||
mktime
|
|
||||||
normalize # boost::locale::normalize
|
|
||||||
printf # LC_NUMERIC
|
|
||||||
putwc
|
|
||||||
putwchar
|
|
||||||
scanf # LC_NUMERIC
|
|
||||||
setlocale
|
|
||||||
snprintf
|
|
||||||
sprintf
|
|
||||||
sscanf
|
|
||||||
std::locale::global
|
|
||||||
std::to_string
|
|
||||||
stod
|
|
||||||
stof
|
|
||||||
stoi
|
|
||||||
stol
|
|
||||||
stold
|
|
||||||
stoll
|
|
||||||
stoul
|
|
||||||
stoull
|
|
||||||
strcasecmp
|
|
||||||
strcasestr
|
|
||||||
strcoll # LC_COLLATE
|
|
||||||
# strerror
|
|
||||||
strfmon
|
|
||||||
strftime # LC_TIME
|
|
||||||
strncasecmp
|
|
||||||
strptime
|
|
||||||
strtod # LC_NUMERIC
|
|
||||||
strtof
|
|
||||||
strtoimax
|
|
||||||
strtol # LC_NUMERIC
|
|
||||||
strtold
|
|
||||||
strtoll
|
|
||||||
strtoq
|
|
||||||
strtoul # LC_NUMERIC
|
|
||||||
strtoull
|
|
||||||
strtoumax
|
|
||||||
strtouq
|
|
||||||
strxfrm # LC_COLLATE
|
|
||||||
swprintf
|
|
||||||
to_lower # boost::locale::to_lower
|
|
||||||
to_title # boost::locale::to_title
|
|
||||||
to_upper # boost::locale::to_upper
|
|
||||||
tolower # LC_CTYPE
|
|
||||||
toupper # LC_CTYPE
|
|
||||||
towctrans
|
|
||||||
towlower # LC_CTYPE
|
|
||||||
towupper # LC_CTYPE
|
|
||||||
trim # boost::algorithm::trim
|
|
||||||
trim_left # boost::algorithm::trim_left
|
|
||||||
trim_right # boost::algorithm::trim_right
|
|
||||||
ungetwc
|
|
||||||
vasprintf
|
|
||||||
vdprintf
|
|
||||||
versionsort
|
|
||||||
vfprintf
|
|
||||||
vfscanf
|
|
||||||
vfwprintf
|
|
||||||
vprintf
|
|
||||||
vscanf
|
|
||||||
vsnprintf
|
|
||||||
vsprintf
|
|
||||||
vsscanf
|
|
||||||
vswprintf
|
|
||||||
vwprintf
|
|
||||||
wcrtomb
|
|
||||||
wcscasecmp
|
|
||||||
wcscoll # LC_COLLATE
|
|
||||||
wcsftime # LC_TIME
|
|
||||||
wcsncasecmp
|
|
||||||
wcsnrtombs
|
|
||||||
wcsrtombs
|
|
||||||
wcstod # LC_NUMERIC
|
|
||||||
wcstof
|
|
||||||
wcstoimax
|
|
||||||
wcstol # LC_NUMERIC
|
|
||||||
wcstold
|
|
||||||
wcstoll
|
|
||||||
wcstombs # LC_CTYPE
|
|
||||||
wcstoul # LC_NUMERIC
|
|
||||||
wcstoull
|
|
||||||
wcstoumax
|
|
||||||
wcswidth
|
|
||||||
wcsxfrm # LC_COLLATE
|
|
||||||
wctob
|
|
||||||
wctomb # LC_CTYPE
|
|
||||||
wctrans
|
|
||||||
wctype
|
|
||||||
wcwidth
|
|
||||||
wprintf
|
|
||||||
)
|
|
||||||
|
|
||||||
function join_array {
|
|
||||||
local IFS="$1"
|
|
||||||
shift
|
|
||||||
echo "$*"
|
|
||||||
}
|
|
||||||
|
|
||||||
REGEXP_IGNORE_KNOWN_VIOLATIONS=$(join_array "|" "${KNOWN_VIOLATIONS[@]}")
|
|
||||||
|
|
||||||
# Invoke "git grep" only once in order to minimize run-time
|
|
||||||
REGEXP_LOCALE_DEPENDENT_FUNCTIONS=$(join_array "|" "${LOCALE_DEPENDENT_FUNCTIONS[@]}")
|
|
||||||
GIT_GREP_OUTPUT=$(git grep -E "[^a-zA-Z0-9_\`'\"<>](${REGEXP_LOCALE_DEPENDENT_FUNCTIONS}(_r|_s)?)[^a-zA-Z0-9_\`'\"<>]" -- "*.cpp" "*.h")
|
|
||||||
|
|
||||||
EXIT_CODE=0
|
|
||||||
for LOCALE_DEPENDENT_FUNCTION in "${LOCALE_DEPENDENT_FUNCTIONS[@]}"; do
|
|
||||||
MATCHES=$(grep -E "[^a-zA-Z0-9_\`'\"<>]${LOCALE_DEPENDENT_FUNCTION}(_r|_s)?[^a-zA-Z0-9_\`'\"<>]" <<< "${GIT_GREP_OUTPUT}" | \
|
|
||||||
grep -vE "\.(c|cpp|h):\s*(//|\*|/\*|\").*${LOCALE_DEPENDENT_FUNCTION}")
|
|
||||||
if [[ ${REGEXP_IGNORE_EXTERNAL_DEPENDENCIES} != "" ]]; then
|
|
||||||
MATCHES=$(grep -vE "${REGEXP_IGNORE_EXTERNAL_DEPENDENCIES}" <<< "${MATCHES}")
|
|
||||||
fi
|
|
||||||
if [[ ${REGEXP_IGNORE_KNOWN_VIOLATIONS} != "" ]]; then
|
|
||||||
MATCHES=$(grep -vE "${REGEXP_IGNORE_KNOWN_VIOLATIONS}" <<< "${MATCHES}")
|
|
||||||
fi
|
|
||||||
if [[ ${MATCHES} != "" ]]; then
|
|
||||||
echo "The locale dependent function ${LOCALE_DEPENDENT_FUNCTION}(...) appears to be used:"
|
|
||||||
echo "${MATCHES}"
|
|
||||||
echo
|
|
||||||
EXIT_CODE=1
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
if [[ ${EXIT_CODE} != 0 ]]; then
|
|
||||||
echo "Unnecessary locale dependence can cause bugs that are very"
|
|
||||||
echo "tricky to isolate and fix. Please avoid using locale dependent"
|
|
||||||
echo "functions if possible."
|
|
||||||
echo
|
|
||||||
echo "Advice not applicable in this specific case? Add an exception"
|
|
||||||
echo "by updating the ignore list in $0"
|
|
||||||
fi
|
|
||||||
exit ${EXIT_CODE}
|
|
||||||
Loading…
Reference in New Issue
Block a user