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Re: VirtualAlloc to DosAllocMem

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On Fri, 08 Jul 2011 22:03:12 +0200, Heiko Nitzsche
<hn-expires-27nov11@arcor.de> wrote:

> Well, I'd propose the following:
> 
> static inline DWORD protection(bool writable, bool executable)
> {
>    return executable ?
>           (writable ? (PAG_EXECUTE | PAG_READ | PAG_WRITE) : (PAG_EXECUTE | PAG_READ) :
>           (writable ? (              PAG_READ | PAG_WRITE) :                PAG_READ);
> }
> 
> You could also write it this way:
> 
> static inline DWORD protection(bool writable, bool executable)
> {
>    DWORD permissions = PAG_READ; // always readable
>    if (writable)
>    {
>      permissions |= PAG_WRITE; // allow writing
>    }
>    if (executable)
>    {
>      permissions |= PAG_EXECUTE; // content may be executed
>    }
>    return permissions;
> }

Strewth, you like typing don't you...

return PAG_READ | (writable ? PAG_WRITE : 0) | (executable ? PAG_EXECUTE : 0);

... but why use 1 line when you can use 10, eh?


i = i + 1; // add one to i

FFS.

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Thread

VirtualAlloc to DosAllocMem Dave Yeo <dave.r.yeo@gmail.com> - 2011-07-07 19:59 -0700
  Re: VirtualAlloc to DosAllocMem Heiko Nitzsche <hn-expires-27nov11@arcor.de> - 2011-07-08 22:03 +0200
    Re: VirtualAlloc to DosAllocMem Heiko Nitzsche <hn-expires-27nov11@arcor.de> - 2011-07-08 22:14 +0200
      Re: VirtualAlloc to DosAllocMem Dave Yeo <dave.r.yeo@gmail.com> - 2011-07-08 19:39 -0700
        Re: VirtualAlloc to DosAllocMem Dave Yeo <dave.r.yeo@gmail.com> - 2011-07-08 21:57 -0700
    Re: VirtualAlloc to DosAllocMem Paul Ratcliffe <abuse@orac12.clara34.co56.uk78> - 2011-07-08 23:02 +0000
      Re: VirtualAlloc to DosAllocMem "Lars Erdmann" <lars.erdmann@arcor.de> - 2011-07-09 03:46 +0200
        Re: VirtualAlloc to DosAllocMem Paul Ratcliffe <abuse@orac12.clara34.co56.uk78> - 2011-07-09 11:32 +0000
          Re: VirtualAlloc to DosAllocMem Paul Smedley <paulDESPAM@DESPAMMsmedley.id.au> - 2011-07-10 11:39 +0930

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