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fix potential null pointer dereference

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This commit is contained in:
Ilya Shipitsin
2025-09-30 10:49:39 +02:00
committed by Alexander Naumov
parent 640f21ce69
commit ff9d98b8e3
1 changed files with 3 additions and 4 deletions
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7
src/window.c
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@@ -1990,9 +1990,7 @@ void ResetWindow(Window *win)
Window *GetWindowByNumber(uint16_t n)
{
if (first_window->w_number <= n &&
n <= last_window->w_number)
{
if (first_window->w_number <= n && n <= last_window->w_number) {
Window *w;
if ((first_window->w_number + (last_window->w_number - first_window->w_number) / 2) > n) {
/* look from the start */
@@ -2005,7 +2003,8 @@ Window *GetWindowByNumber(uint16_t n)
while (w && w->w_number > n)
w = w->w_prev;
}
if (w->w_number == n)
if (w && w->w_number == n)
return w;
}
return NULL;