On 2025-10-29 21:49, Pali Rohár wrote:
On Wednesday 29 October 2025 20:48:15 Peter0x44 wrote:
Oct 29, 2025 8:46:48 PM Pali Rohár <[email protected]>:
> Hello, the new memalignment function is causing a new compile warning:
>
> misc/memalignment.c:9:8: warning: no previous prototype for ‘memalignment’
[-Wmissing-prototypes]
> size_t memalignment(const void *p)
> ^~~~~~~~~~~~
>
> Seems that the reason is that __STDC_VERSION__ is not set to 202311L and
> so stdlib.h does not provide the prototype.
>
> I would suggest to add "|| defined(_CRTBLD)" into stdlib.h for
> memalignment() guard, to mingw-w64 runtime can use memalignment.
Oh, I see. I think I didn't notice because I'm using gcc 15 and it
defaults to -std=c23.
What compiler are you using?
Sorry, I have not mentioned it, this particular warning was cause by
old gcc 8.3.
How about simply removing the include of stdlib.h and adding the
prototype manually?
__SIZE_T__ memalignment(const void* p);
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