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Συντάκτης: Edward Bartolo
Ημερομηνία:  
Προς: Rainer Weikusat
Υ/ο: dng
Αντικείμενο: Re: [DNG] Debugging netman auto-connect.
I will try the solution from Rainer as it seems to do the least of
disruption to my original code.

Thanks to you all,
Edward

On 11/09/2015, Edward Bartolo <edbarx@???> wrote:
> As suggested by tilt, I switched to use GSList but I need to use it
> for two distinct cases:
> a) to manage a list of strings
> b) to manage a list of structures of this construct:
>
> typedef struct {
>     double quality;
>     char name[MAX_ESSID_LENGTH];
> } wifi_quality;

>
> I expect this to be possible as lists may not always be lists of strings.
>
> In the case it is possible to use GSList to manage lists of custom
> structures like the above, which function the type of strdup is used
> to allocate memory and prepare a structure so that it would be added
> to the list?
>
> I also need to swap two items in the list in a sorting function.
>
> Edward
>
> On 11/09/2015, Rainer Weikusat <rainerweikusat@???> wrote:
>> "tilt!" <tilt@???> writes:
>>> On 09/11/2015 10:35 AM, Edward Bartolo wrote:
>>>> Hi all,
>>>>
>>>> Since yesterday I have been trying to understand why "char**
>>>> essid_list" is working inside getInstalledEssidList(&count,
>>>> essid_list) but failing as soon as I try to access essid_list[0]
>>>> outside the function.
>>>>
>>>> Both the source and the gdb text output are attached.
>>>>
>>>> Any helpful pointers are appreciated.
>>>
>>> Having dynamically growing (and shrinking) lists in C is
>>> always a problem. That's why the problem has been solved
>>> many times. :-)
>>>
>>> For example, the singly-linked list, GSList, from the GLIB
>>> library is pretty popular and could save you some time.
>>
>> JFTR: That part of the code is works.
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>