On Tue, Mar 05, 2024 at 09:20:42PM +0100, Alejandro Colomar wrote:
> Hi!
>
> v6:
> - Small wording fix in c.opt
> - Document the option in invoke.texi
>
> I tried again, but didn't find much alphabetic order in there, so put
> it where Mike suggested, after -Warray-bounds=n.
>
> Have a lovely night!
> Alex
>
[...]
> diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
> index 146b40414b0..f81df4de934 100644
> --- a/gcc/doc/invoke.texi
> +++ b/gcc/doc/invoke.texi
> @@ -410,7 +410,9 @@ Objective-C and Objective-C++ Dialects}.
> -Wsystem-headers -Wtautological-compare -Wtrampolines -Wtrigraphs
> -Wtrivial-auto-var-init -Wtsan -Wtype-limits -Wundef
> -Wuninitialized -Wunknown-pragmas
> --Wunsuffixed-float-constants -Wunused
> +-Wunsuffixed-float-constants
> +-Wunterminated-string-initialization
> +-Wunused
> -Wunused-but-set-parameter -Wunused-but-set-variable
> -Wunused-const-variable -Wunused-const-variable=@var{n}
> -Wunused-function -Wunused-label -Wunused-local-typedefs
> @@ -6264,6 +6266,7 @@ name is still supported, but the newer name is more
> descriptive.)
> -Wredundant-move @r{(only for C++)}
> -Wtype-limits
> -Wuninitialized
> +-Wunterminated-string-initialization
> -Wshift-negative-value @r{(in C++11 to C++17 and in C99 and newer)}
> -Wunused-parameter @r{(only with} @option{-Wunused} @r{or}
> @option{-Wall}@r{)}
> -Wunused-but-set-parameter @r{(only with} @option{-Wunused} @r{or}
> @option{-Wall}@r{)}}
> @@ -8281,6 +8284,20 @@ arithmetic that may yield out of bounds values. This
> warning level may
> give a larger number of false positives and is deactivated by default.
> @end table
>
> +@opindex Wunterminated-string-initialization
> +@opindex Wno-unterminated-string-initialization
> +@item -Wunterminated-string-initialization
> +Warn about character arrays
> +initialized as unterminated character sequences
> +with a string literal.
> +For example:
> +
> +@smallexample
> +char arr[3] = "foo";
> +@end smallexample
> +
> +@option{-Wunterminated-string-initialization} is enabled by @option{-Wextra}.Oops, I should also mention -Wc++-compat here. -- <https://www.alejandro-colomar.es/> Looking for a remote C programming job at the moment.
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