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Re: a question about structure convert to char* in function printf/fprintf

From: zerons <sironhide0null at gmail dot com>
To: Jonathan Wakely <jwakely dot gcc at gmail dot com>
Cc: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
Date: Mon, 13 Aug 2018 08:38:38 +0800
Subject: Re: a question about structure convert to char* in function printf/fprintf
References: <98d9cfa2-dc9d-242a-7f02-8de48a4f4fff@gmail.com> <CAH6eHdT2aoCfhK6Z9Ofdb+pcEhyCLHuwzOotdu9o3TEL3jd0ig@mail.gmail.com>



On 08/13/2018 03:13 AM, Jonathan Wakely wrote:

On Sun, 12 Aug 2018 at 15:59, zerons wrote:

Should gcc give it an error to prevent a structure from converting to
char* in functions printf/fprintf?


Your question is inappropriate on this mailing list, please use
gcc-help next time. See https://gcc.gnu.org/lists.html

I'm so sorry for that.


Did you try compiling with warnings? If not, why not.

-Werror=format will give you an error.

Oh, I forget to use -Werror. I use -Wall a lot. :(
Unfortunately I didn't try to solve all the warnings.
Thanks.

References:
- a question about structure convert to char* in function printf/fprintf
  - From: zerons
- Re: a question about structure convert to char* in function printf/fprintf
  - From: Jonathan Wakely

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