Update to ncurses-6.0
Change-Id: I98ab2ea8a5e13cca9f8b7cf6277b9b14a4da4299
diff --git a/ncurses/base/lib_overlay.c b/ncurses/base/lib_overlay.c
index 669e8e7..a206248 100644
--- a/ncurses/base/lib_overlay.c
+++ b/ncurses/base/lib_overlay.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2009,2013 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 *
@@ -40,7 +40,7 @@
#include <curses.priv.h>
-MODULE_ID("$Id: lib_overlay.c,v 1.27 2008/06/07 23:30:34 tom Exp $")
+MODULE_ID("$Id: lib_overlay.c,v 1.31 2013/04/06 23:47:13 tom Exp $")
static int
overlap(const WINDOW *const src, WINDOW *const dst, int const flag)
@@ -52,7 +52,7 @@
int dminrow, dmincol;
int dmaxrow, dmaxcol;
- T((T_CALLED("overlap(%p,%p,%d)"), src, dst, flag));
+ T((T_CALLED("overlap(%p,%p,%d)"), (const void *) src, (void *) dst, flag));
if (src != 0 && dst != 0) {
_nc_lock_global(curses);
@@ -110,7 +110,7 @@
NCURSES_EXPORT(int)
overlay(const WINDOW *win1, WINDOW *win2)
{
- T((T_CALLED("overlay(%p,%p)"), win1, win2));
+ T((T_CALLED("overlay(%p,%p)"), (const void *) win1, (void *) win2));
returnCode(overlap(win1, win2, TRUE));
}
@@ -127,7 +127,7 @@
NCURSES_EXPORT(int)
overwrite(const WINDOW *win1, WINDOW *win2)
{
- T((T_CALLED("overwrite(%p,%p)"), win1, win2));
+ T((T_CALLED("overwrite(%p,%p)"), (const void *) win1, (void *) win2));
returnCode(overlap(win1, win2, FALSE));
}
@@ -145,9 +145,16 @@
attr_t mask;
T((T_CALLED("copywin(%p, %p, %d, %d, %d, %d, %d, %d, %d)"),
- src, dst, sminrow, smincol, dminrow, dmincol, dmaxrow, dmaxcol, over));
+ (const void *) src,
+ (void *) dst,
+ sminrow, smincol,
+ dminrow, dmincol,
+ dmaxrow, dmaxcol, over));
- if (src && dst) {
+ if (src != 0
+ && dst != 0
+ && dmaxrow >= dminrow
+ && dmaxcol >= dmincol) {
_nc_lock_global(curses);
bk = AttrOf(dst->_nc_bkgd);
@@ -156,6 +163,7 @@
/* make sure rectangle exists in source */
if ((sminrow + dmaxrow - dminrow) <= (src->_maxy + 1) &&
(smincol + dmaxcol - dmincol) <= (src->_maxx + 1)) {
+ bool copied = FALSE;
T(("rectangle exists in source"));
@@ -168,10 +176,18 @@
dy <= dmaxrow;
sy++, dy++) {
+ if (dy < 0 || sy < 0)
+ continue;
+
touched = FALSE;
for (dx = dmincol, sx = smincol;
dx <= dmaxcol;
sx++, dx++) {
+
+ if (dx < 0 || sx < 0)
+ continue;
+ copied = TRUE;
+
if (over) {
if ((CharOf(src->_line[sy].text[sx]) != L(' ')) &&
(!CharEq(dst->_line[dy].text[dx],
@@ -197,7 +213,8 @@
}
}
T(("finished copywin"));
- rc = OK;
+ if (copied)
+ rc = OK;
}
}
_nc_unlock_global(curses);