How To Script .gtkrc-2.0 from bash?

2012-06-02 Thread johny why
hi sorry if this is the wrong place to post this question. i'm writing a bash script to do stuff with the .gtkrc-2.0 file, in xfce in linux. Question: are there any functions available in bash, or callable from bash, for reading from and writing to .gtkrc-2.0? my .gtkrc-2.0 appears to be struct

Re: Identifying a structure by reading it's first field.

2012-06-02 Thread Ernie Wright
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 structur

Re: Identifying a structure by reading it's first field.

2012-06-02 Thread Chris Vine
On Sat, 02 Jun 2012 09:10:06 -0400 Ernie Wright wrote: > 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 > sup

Re: Identifying a structure by reading it's first field.

2012-06-02 Thread Ernie Wright
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

Re: Identifying a structure by reading it's first field.

2012-06-02 Thread Chris Vine
On Sat, 02 Jun 2012 00:04:18 -0400 Ernie Wright wrote: > 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

Re: Identifying a structure by reading it's first field.

2012-06-02 Thread Osmo Antero
Very good. This makes code much cleaner because I do not have to send around both the type field and node separately. Now I simply void func(gpointer node) { switch (NODE_TYPE(node)) { case TYPE_1: ... case TYPE_2: ... } } // Osmo Antero On Sat, J