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Re: [pdf-devel] Fsys read/write return value.
From: |
gerel |
Subject: |
Re: [pdf-devel] Fsys read/write return value. |
Date: |
Thu, 14 May 2009 23:04:25 -0300 |
> Date: Fri, 15 May 2009 00:07:48 +0200
> From: address@hidden
>
>
> Hi Gerel.
>
> The return description for fsys file read/write is wrong when using the
> default
> disk implementation, since fread/fwrite return the number of 'elements'
> read/written, not the number of octets.
> For them to return the number of octets they should be called like:
>
> fread/fwrite (data, 1, num_elems, file); /* note the '1' there */
>
> An alternative would be to modify the API return semantics and return the
> number
> of elements read/write like fread/fwrite do, though I'm not sure if that
> semantics is desired for other fsys implementations.
>
> Not really. To return the number of elements of size ELEM_SIZE is ok
> given that we are specifying both ELEM_SIZE and ELEM_COUNT in the
> call.
>
I'm not against the ELEM_COUNT way, but that adds extra complexity for the rest
of the fsys implementations (namely byte-oriented) . We can discuss this in the
other email.
cheers,
-gerel
- [pdf-devel] Fsys read/write return value., gerel, 2009/05/14
- Re: [pdf-devel] Fsys read/write return value., jemarch, 2009/05/14
- Re: [pdf-devel] Fsys read/write return value.,
gerel <=
- Re: [pdf-devel] Fsys read/write return value., Michael Gold, 2009/05/14
- Re: [pdf-devel] Fsys read/write return value., gerel, 2009/05/14
- Re: [pdf-devel] Fsys read/write return value., Michael Gold, 2009/05/14
- Re: [pdf-devel] Fsys read/write return value., gerel, 2009/05/14
- Re: [pdf-devel] Fsys read/write return value., jemarch, 2009/05/15
- Re: [pdf-devel] Fsys read/write return value., gerel, 2009/05/15
- Re: [pdf-devel] Fsys read/write return value., Aleksander Morgado, 2009/05/15