/****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2011,2019 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
#include <curses.priv.h>
-MODULE_ID("$Id: wresize.c,v 1.34 2010/06/05 22:36:26 tom Exp $")
+MODULE_ID("$Id: wresize.c,v 1.38 2019/05/11 20:15:15 tom Exp $")
static int
cleanup_lines(struct ldat *data, int length)
{
while (--length >= 0)
- free(data[length].text);
+ FreeAndNull(data[length].text);
free(data);
return ERR;
}
if (tst->_parent == cmp) {
- if (tst->_pary > cmp->_maxy)
- tst->_pary = cmp->_maxy;
- if (tst->_parx > cmp->_maxx)
- tst->_parx = cmp->_maxx;
+#define REPAIR1(field, limit) \
+ if (tst->field > cmp->limit) \
+ tst->field = cmp->limit
- if (tst->_maxy + tst->_pary > cmp->_maxy)
- tst->_maxy = (NCURSES_SIZE_T) (cmp->_maxy - tst->_pary);
- if (tst->_maxx + tst->_parx > cmp->_maxx)
- tst->_maxx = (NCURSES_SIZE_T) (cmp->_maxx - tst->_parx);
+ REPAIR1(_pary, _maxy);
+ REPAIR1(_parx, _maxx);
+
+#define REPAIR2(field, limit) \
+ if (tst->limit + tst->field > cmp->limit) \
+ tst->limit = (NCURSES_SIZE_T) (cmp->limit - tst->field)
+
+ REPAIR2(_pary, _maxy);
+ REPAIR2(_parx, _maxx);
+
+#define REPAIR3(field, limit) \
+ if (tst->field > tst->limit) \
+ tst->field = tst->limit
+
+ REPAIR3(_cury, _maxy);
+ REPAIR3(_curx, _maxx);
+
+ REPAIR3(_regtop, _maxy);
+ REPAIR3(_regbottom, _maxy);
for (row = 0; row <= tst->_maxy; ++row) {
tst->_line[row].text = &pline[tst->_pary + row].text[tst->_parx];
for (col = 0; col <= ToCols; ++col)
s[col] = win->_nc_bkgd;
}
- } else {
- assert(pline != 0);
+ } else if (pline != 0 && pline[win->_pary + row].text != 0) {
s = &pline[win->_pary + row].text[win->_parx];
+ } else {
+ s = 0;
}
if_USE_SCROLL_HINTS(new_lines[row].oldindex = row);
if (!(win->_flags & _SUBWIN)) {
if (ToCols == size_x) {
for (row = ToLines + 1; row <= size_y; row++) {
- free(win->_line[row].text);
+ FreeAndNull(win->_line[row].text);
}
} else {
for (row = 0; row <= size_y; row++) {
- free(win->_line[row].text);
+ FreeAndNull(win->_line[row].text);
}
}
}
- free(win->_line);
+ FreeAndNull(win->_line);
win->_line = new_lines;
/*