On 6/2/2012 6:16 AM, Chris Vine wrote:
You are probably also interested in the strict aliasing rule, [...]
This is an alarmingly often overlooked rule.
In part because it wasn't in the standard prior to C99, which isn't
supported to the degree C90 is.
- Ernie
On 6/2/2012 11:30 AM, Chris Vine wrote:
In part because it wasn't in the standard prior to C99,
It was in C89 - ยง6.3:
Yes, you're right.
C99 added the 'restrict' keyword.
It is the fifth bullet point which permits your usage.
Not my usage, but yes, along with A pointer to a structure
On 6/1/2012 2:17 PM, Osmo Antero wrote:
I have couple of C structures that I want to distinguish between by
reading the structures' first (type) field. [...]
Q: Can I assume that the type field is always first in the
structures, so I can read it with: NodeType type = *(NodeType*)node;
[EMAIL PROTECTED] wrote:
Dave Howorth wrote:
Martin (OpenGeoMap) wrote:
you can input in a entry for example (22m, 22 m, 220cm,...) and
internally you have a double always in meters.
How do you deal with precision? 22 m is not the same as 22.000 m
Bad example. 22 can be expressed
[EMAIL PROTECTED] wrote:
(now someone will tell me the compiler is correct and casting int
*x[] to void ** is indeed wrong :-)
This is question 4.9 in the C FAQ:
http://c-faq.com/ptrs/genericpp.html
- Ernie http://home.comcast.net/~erniew
[EMAIL PROTECTED] wrote:
On 7/6/07, Ernie Wright [EMAIL PROTECTED] wrote:
(now someone will tell me the compiler is correct and casting int
*x[] to void ** is indeed wrong :-)
This is question 4.9 in the C FAQ:
http://c-faq.com/ptrs/genericpp.html
That's very interesting
Alexander Eichner wrote:
i have a problem when i load images with a certain size.
Normally the rowstride given with gdk_pixbuf_get_rowstride
is calculated with width of the image multiplied with the number of
channels in the image.
But if i load an RGB Image with for example 314px*240px in
