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Re: Missing <stdlib.h> include in lib/autoconf/c.m4
From: |
Zack Weinberg |
Subject: |
Re: Missing <stdlib.h> include in lib/autoconf/c.m4 |
Date: |
Thu, 10 Nov 2022 22:25:53 -0500 |
User-agent: |
Cyrus-JMAP/3.7.0-alpha0-1115-g8b801eadce-fm-20221102.001-g8b801ead |
On Thu, Nov 10, 2022, at 10:18 PM, Sam James wrote:
>> On 5 Nov 2022, at 22:37, Sam James <sam@gentoo.org> wrote:
>>
>> I would send a patch for the original issue but I'm wondering how to handle
>> freestanding (see big comment above _AC_C_C89_TEST_GLOBALS).
Yeah, we can't include <stdlib.h> here, but it should be OK to add a manual
declaration of free (as I did in bf5a75...) -- there was already a manual
declaration of malloc, and free doesn't even need size_t.
>> We need another one (<assert.h>) I think for _Static_assert in
>> _AC_C_C11_TEST_GLOBALS too, up until C23?
I think this should be fine as is; in C11, _Static_assert is a keyword /
special form, so it's safe to use without <assert.h>. IIUC the change in C23
is to make static_assert also available without <assert.h>?
zw