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- Subject: Re: [patch][c++] fix "invalid conversion from ‘void*’ to ‘char*’"
- From: Roberto Ierusalimschy <roberto@...>
- Date: Tue, 28 Jun 2016 15:34:19 -0300
> What I really meant was that with that macro you could perform the
> cast on the pointer returned from malloc only when compiling as C++,
> and avoid the cast in C, in order to "conform" to C best practices
> [1] that advice against casting that pointer (as opposed as what you
> should do in C++), as Sean said.
Let us see [1]:
* "It is unnecessary" - so are comments, identation, etc.
* "It can hide an error, if you forgot to include <stdlib.h>." - This
could be a valid argument 20 years ago (K&R C). If you do not use
something like -Wstrict-prototypes and -Wmissing-prototypes, something
is very wrong, as every single function call in your program could hide
errors.
* "It adds clutter to the code" - A macro would add even more "clutter".
* "It makes you repeat yourself" - So does a macro.
-- Roberto