Re: Glib problem: trying to use gpointer pointing to a structure in a GList. Getting segfault

[Lucas Brasilino <brasilino recife pe gov br>]

Hi Albert:

	I was misunderstood. I did this :)

thanks a lot!
Lucas Brasilino


> it doesn't help ( all items in list will be the same )
> you have to :
>
>    struct RECORD {
>          guint index;
>          gchar *data;
>      } *record;
>
> record = (struct RECORD*)g_malloc(sizeof(struct RECORD))
> record->data = strdup("aaa");
> dlist = g_list_append(dlist, record);
>
> record = (struct RECORD*)g_malloc(sizeof(struct RECORD))
> record->data = strdup("bbb");
> dlist = g_list_append(dlist, record);
>
> now it should work.
>
> albert pala
>
>
> your record is pointer.
> you have to allocate structure record and then use pointer to it.
>          struct {
>                  guint index;
>                  gchar *data;
>          } x, *record;
> record = &x;
> record->data = "blabla1"
>
> albert pala
>
>
> ====== cut here ===============
>
> #include <stdio.h>
> #include <string.h>
> #include <glib.h>
>
> int main(int argc, char **argv)
> {
>
>          GList *dlist = NULL, *list = NULL;
>          guint length,i;
>          struct {
>                  guint index;
>                  gchar *data;
>          } *record;
>
>          record->data = g_malloc(strlen("Lucas")+1);
>          g_strlcpy(record->data,"Lucas",strlen("Lucas")+1);
>          dlist = g_list_append(dlist, record);
>
>          record->data = g_malloc(strlen("Brasilino")+1);
>          g_strlcpy(record->data,"Brasilino", strlen("Brasilino")+1);
>          dlist = g_list_append(dlist, record);
>
>          length = g_list_length(dlist);
>
>          g_printf("%d \n",length);
>
>          record = NULL;
>          list = g_list_first(dlist);
>          while(list)
>          {
>                  record = list->data;
>                  g_print("%s\n",record->data);
>                  list = list->next;
>      }
> }
>
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--

[]'s
Lucas Brasilino
brasilino recife pe gov br
http://www.recife.pe.gov.br
Emprel -	Empresa Municipal de Informatica (pt_BR)
		Municipal Computing Enterprise (en_US)
Recife - Pernambuco - Brasil
Fone: +55-81-34167078