pmars: Fix FTBFS due to ncurses change

WINDOW struct was turned opaque in recent versions, meaning that direct access to struct members is no longer supported.
Add patch to replace direct access with calls to getter functions.

Author: OPNA2608

pkgs/by-name/pm/pmars/0003-fix-ncurses-opaque-WINDOW.patch

@@ -0,0 +1,57 @@
+diff '--color=auto' -ruN a/src/curdisp.c b/src/curdisp.c
+--- a/src/curdisp.c	2025-05-08 23:23:48.070346219 +0200
++++ b/src/curdisp.c	2025-05-08 23:29:33.851400436 +0200
+@@ -28,12 +28,6 @@
+ #include "sim.h"
+ #endif
+ 
+-/* For window structure in BSD 4.4/Curses 8.x library */
+-#ifdef BSD44
+-#define _curx curx
+-#define _cury cury
+-#endif
+-
+ typedef struct win_st {
+   WINDOW *win;
+   int     page;
+@@ -428,18 +422,18 @@
+           str--;
+           maxchar++;
+           leaveok(curwin, TRUE);
+-          if (ox = curwin->_curx) {
++          if (ox = getcurx(curwin)) {
+ #if 0
+ #ifdef ATTRIBUTE
+-            mvwaddch(curwin, curwin->_cury, --ox, ' ' | attr);
++            mvwaddch(curwin, getcury(curwin), --ox, ' ' | attr);
+ #else
+-            mvwaddch(curwin, curwin->_cury, --ox, ' ');
++            mvwaddch(curwin, getcury(curwin), --ox, ' ');
+ #endif
+ #endif                                /* 0 */
+-            mvwaddch(curwin, curwin->_cury, --ox, ' ');
+-            wmove(curwin, curwin->_cury, ox);
++            mvwaddch(curwin, getcury(curwin), --ox, ' ');
++            wmove(curwin, getcury(curwin), ox);
+           } else {
+-            oy = curwin->_cury - 1;
++            oy = getcury(curwin) - 1;
+ #if 0
+ #ifdef ATTRIBUTE
+             mvwaddch(curwin, oy, COLS - 1, ' ' | attr);
+@@ -470,12 +464,12 @@
+           if (ox--)
+ #if 0
+ #ifdef ATTRIBUTE
+-            mvwaddch(curwin, curwin->_cury, ox, ' ' | attr);
++            mvwaddch(curwin, getcury(curwin), ox, ' ' | attr);
+ #else
+-            mvwaddch(curwin, curwin->_cury, ox, ' ');
++            mvwaddch(curwin, getcury(curwin), ox, ' ');
+ #endif
+ #endif                                /* 0 */
+-          mvwaddch(curwin, curwin->_cury, ox, ' ');
++          mvwaddch(curwin, getcury(curwin), ox, ' ');
+           else
+ #if 0
+ #ifdef ATTRIBUTE

pkgs/by-name/pm/pmars/package.nix

@@ -35,6 +35,9 @@ stdenv.mkDerivation (finalAttrs: {
 
     # call to undeclared function 'sighandler' & undefined sighandler on Darwin
     ./0002-fix-sighandler.patch
+
+    # ncurses' WINDOW struct was turned opaque for outside code, use functions for accessing values instead
+    ./0003-fix-ncurses-opaque-WINDOW.patch
   ];
 
   postPatch = ''