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Disable some clang-tidy lints with false positives

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One warns about using system() which we only use in test code (we're all adults):

	src/fish_tests.cpp:2015:9: warning: calling 'system' uses a command processor [cert-env33-c]
	    if (system("mkdir -p test/fish_expand_test/bb/")) err(L"mkdir failed");

Some conversion warnings that don't seem very useful:

	src/input_common.cpp:181:20: warning: 'signed char' to 'wint_t' (aka 'unsigned int') conversion; consider casting to 'unsigned char' first. [cert-str34-c]
	        wint_t b = evt.get_char();

Warning about varargs doesn't make sense, because some of our functions use std::vswprintf() internally.

	src/ast.cpp:486:10: warning: do not define a C-style variadic function; consider using a function parameter pack or currying instead [cert-dcl50-cpp]
	    void internal_error(const char *func, const wchar_t *fmt, ...) const {

Finally, what seems like a false positive; "va" is initialized by va_copy:

	src/common.cpp:468:18: warning: Function 'vswprintf' is called with an uninitialized va_list argument [clang-analyzer-valist.Uninitialized]
	        status = std::vswprintf(buff, size / sizeof(wchar_t), format, va);
This commit is contained in:
Johannes Altmanninger 2020-12-25 10:04:02 +01:00
parent 801955851b
commit 686d64cf05
1 changed files with 1 additions and 1 deletions
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2
.clang-tidy
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@ -1,5 +1,5 @@
---
Checks: 'clang-diagnostic-*,clang-analyzer-*,cert-*,performance-*,portability-*,modernize-use-auto,modernize-loop-convert,modernize-use-bool-literals,modernize-use-using,hicpp-uppercase-literal-suffix,readability-make-member-function-const,readability-redundant-string-init,readability-inconsistent-declaration-parameter-name,readability-redundant-access-specifiers,-performance-noexcept-move-constructor,-cert-dcl37-c,-cert-dcl51-cpp'
Checks: 'clang-diagnostic-*,clang-analyzer-*,-clang-analyzer-valist.Uninitialized,cert-*,performance-*,portability-*,-modernize-use-auto,modernize-loop-convert,modernize-use-bool-literals,modernize-use-using,hicpp-uppercase-literal-suffix,readability-make-member-function-const,readability-redundant-string-init,readability-inconsistent-declaration-parameter-name,readability-redundant-access-specifiers,-performance-noexcept-move-constructor,-cert-dcl37-c,-cert-dcl50-cpp,-cert-dcl51-cpp,-cert-str34-c,-cert-env33-c'
WarningsAsErrors: ''
HeaderFilterRegex: ''
AnalyzeTemporaryDtors: false