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Re: [PATCH 2/2] Use fixed-size integers for .idx file I/O

From
MWMorten Welinder <mwelinder@gmail.com>
Date
Jan 18, 2007, 14:51 UTC
Message-ID
<118833cc0701180651w3b5ac164m4e396399f1d58cb7@mail.gmail.com>
In-Reply-To
<7vd55col04.fsf@assigned-by-dhcp.cox.net>
> -                       return ntohl(*((unsigned int *) ((char *) index + (24 * mi))));
> +                       return ntohl(*((uint32_t *)((char *)index + (24 * mi))));

Is that pointer gymnastics guaranteed to work? I.e., how do we know that we can access an uint32_t (or unsigned) at such an address?

M.
Previous: Junio C HamanoNext: Simon 'corecode' Schubert
Message 2 of 6 in “Use fixed-size integers for .idx file I/O”
  1. 2/2 Use fixed-size integers for .idx file I/OJunio C Hamano, Jan 18, 2007
  2. Morten WelinderJan 18, 2007
  3. Simon 'corecode' SchubertJan 18, 2007
  4. Johannes SchindelinJan 18, 2007
  5. Shawn O. PearceJan 18, 2007
  6. Johannes SchindelinJan 18, 2007

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