Re: int -> char (label)...

[Scott Barron <sb125499 ohiou edu>]

On Fri, Jul 26, 2002 at 03:50:51PM +0100, sefo wrote:
> hey,
>
> i got a function that does a calculation and displays the result in a label.
> The prblm is that i can't pass an int to gtk_label_new();
>
> void calculate(GtkWidget *widget, GtkWidget **Entries) {
>   GtkWidget *dialog, *label, *okay_button;
>   gint res;
>   gchar *txt1, *txt2, *txt3, *txt4, *b00;
>   txt1=gtk_entry_get_text(GTK_ENTRY(Entries[0]));
>   txt2=gtk_entry_get_text(GTK_ENTRY(Entries[1]));
>   txt3=gtk_entry_get_text(GTK_ENTRY(Entries[2]));
>   txt4=gtk_entry_get_text(GTK_ENTRY(Entries[3]));
> /*values from the entries are converted into int + calculation*/
>   res=atoi(txt1)+atoi(txt2)+atoi(txt3)+atoi(txt4);
>
>   g_print("result: %d\n", res);/*here it works*/
>
> /*trying to convert int to char to put it in the label*/
>   snprintf(b00, sizeof(b00), "%d", res);
>
> /*DIALOG*/
>   dialog = gtk_dialog_new();
>   gtk_window_set_title(GTK_WINDOW(dialog), "Dialog");
>   gtk_widget_set_usize(dialog, 200, 100);
>   label = gtk_label_new (b00);
> ....etc.
>
> any idea?
> _______________________________________________
> gtk-app-devel-list mailing list
> gtk-app-devel-list gnome org
> http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list

Looks to me like your real problem is youre using snprintf on b00 which
has no memory allocated for it.  Bad mojo.  Might I suggest the
following:

/* Start */
gchar *b00;

b00 = g_strdup_printf("%d", res);
label = gtk_label_new(b00);
...
g_free(b00);
/* End */

-Scott
-- 
We are not humanity.
-B