nethack-gwaa-kiwi/nethack
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Remove limit in size of widget_table

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It is difficult, but possible, to exceed 1024 widgets. One way is to
set a very large Unicode symbol set, and then use #wizcustom. As there
is no limit to how many objects can occupy a square, this limit is a
possible hazard even to a normal game.
This commit is contained in:
Ray Chason
2026-08-30 15:52:15 -04:00
parent 1b752f0e11
commit 564affea88
1 changed files with 10 additions and 7 deletions
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win/X11/winlabel.c
+10 -7
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@@ -610,9 +610,9 @@ typedef struct WidgetBucket {
WidgetData *data;
} WidgetBucket;
#define MAX_WIDGETS 1024
static WidgetBucket widget_table[MAX_WIDGETS];
static unsigned num_widgets;
static WidgetBucket *widget_table = NULL;
static unsigned num_widgets = 0;
static unsigned max_widgets = 0;
/* bsearch compare function to search widget-table */
static int
@@ -653,9 +653,12 @@ get_widget_data(Widget w)
static WidgetData *
add_widget(Widget w)
{
/* Panic rather than overflow the array */
if (num_widgets >= MAX_WIDGETS) {
panic("Widget table is full\n");
/* If the array is full (or unallocated), add some new space to it */
if (num_widgets >= max_widgets) {
max_widgets = num_widgets + 1024;
widget_table = (WidgetBucket *) re_alloc(
(long *) widget_table,
max_widgets * sizeof(widget_table[0]));
}
/* Insert the widget into the table, maintaining its order */
@@ -688,7 +691,7 @@ delete_widget(Widget w)
/* Remove the widget from the table */
for (unsigned i = (unsigned)(bucket - widget_table);
i + 1 < MAX_WIDGETS;
i + 1 < num_widgets;
++i) {
widget_table[i] = widget_table[i+1];
}