WebApr 23, 2015 · When I compile the program I get a warning that states that the number2 variable is set but not used. This, of course, is not a problem in that my code compiles and runs just fine. But, in the spirit of cleaning up my code to eliminate warnings, what is the best practice for doing so in this situation? WebApr 15, 2024 · gcc has the test Wunused-var-5.c, where the warning -Wunused-but-set-variable is applied but void bar (int, ...); void f18 (void) { _Atomic int x = 0; int y = 3; bar (x = y); } is not expected to trigger the warning, which does seem to imply this is intentional. mbenfield updated this revision to Diff 341695. Edited · Apr 29 2024, 4:09 PM
各種テスト - gcc - 警告関連のオプション - -Wunused-but-set …
WebNov 29, 2024 · -Wno-unused-but-set-variable To do that, open /UnrealEngine/Engine/Source/Programs/UnrealBuildTool/Platform/Mac/MacToolChain.cs and in the GetCompileArguments_Global function, add in the following line after the Result variable has been declared. Result += " -Wno-unused-but-set-variable"; dicks latham farms ny
c - variable may be used before being set - Stack Overflow
WebIt becomes annoying when GCC starts to warn you about things not in your code though. I would recommend you keeping the warning on, but use -isystem instead of -I for include directories of third-party projects. That flag tells GCC not to warn you about the stuff you have no control over. Webまた、“C” を指定した場合は、C言語の規格で定義された環境（Cロケール）を使うことを意味する。setlocale関数によって設定を変更するまでは、デフォルトでCロケールが使用される。 注意. 返されたポインタが指す文字列は書き換えてはならない。 使用例 WebOct 21, 2016 · Reason: 1. Not using assigned variable in the current scope, either intentionally (the code is not finished) or not. 2. Forgot to mention volatile for the variable, which is actually used, but somewhere else. 3. Assigning to a pointer, which is one of the parameters in the function declaration. citrus heights fire district