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Re: [ft-devel] LLP64 model outside Win64
From: |
Werner LEMBERG |
Subject: |
Re: [ft-devel] LLP64 model outside Win64 |
Date: |
Sun, 11 Feb 2018 19:30:19 +0100 (CET) |
>> (void*)(size_t)(x) should be safe, c90, and warning-less.
>
> You assume that all machines have a flat, linear memory model.... ;-(
>
> The "safe", portable way is to use
>
> (void *)(((char *)0) + (x))
>
> to cast an integer to a void pointer, and use
>
> (ptrdiff_t)((char *)(x)) - ((char *)0)
>
> to cast a pointer to an integer.
Interesting. Can you name an example of a machine with a non-linear
memory model?
Werner
- [ft-devel] LLP64 model outside Win64, Ruslan Nikolaev, 2018/02/08
- Re: [ft-devel] LLP64 model outside Win64, Alexei Podtelezhnikov, 2018/02/09
- Re: [ft-devel] LLP64 model outside Win64, Werner LEMBERG, 2018/02/09
- Re: [ft-devel] LLP64 model outside Win64, Alexei Podtelezhnikov, 2018/02/11
- Re: [ft-devel] LLP64 model outside Win64, Roland Mainz, 2018/02/11
- Re: [ft-devel] LLP64 model outside Win64,
Werner LEMBERG <=
- Re: [ft-devel] LLP64 model outside Win64, Roland Mainz, 2018/02/11
- Re: [ft-devel] LLP64 model outside Win64, Alexei Podtelezhnikov, 2018/02/11
- Re: [ft-devel] LLP64 model outside Win64, Behdad Esfahbod, 2018/02/11
- Re: [ft-devel] LLP64 model outside Win64, Alexei Podtelezhnikov, 2018/02/11
- Re: [ft-devel] LLP64 model outside Win64, Behdad Esfahbod, 2018/02/11
- Re: [ft-devel] LLP64 model outside Win64, Werner LEMBERG, 2018/02/12
- Re: [ft-devel] LLP64 model outside Win64, Alexei Podtelezhnikov, 2018/02/12
- Re: [ft-devel] LLP64 model outside Win64, Werner LEMBERG, 2018/02/12
- Re: [ft-devel] LLP64 model outside Win64, Alexei Podtelezhnikov, 2018/02/19
- Re: [ft-devel] LLP64 model outside Win64, Werner LEMBERG, 2018/02/25