/****************************************************************************
- * Copyright (c) 1998-2007,2009 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2013,2014 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: lib_instr.c,v 1.17 2009/10/24 22:55:45 tom Exp $")
+MODULE_ID("$Id: lib_instr.c,v 1.21 2014/02/01 22:09:27 tom Exp $")
NCURSES_EXPORT(int)
winnstr(WINDOW *win, char *str, int n)
cchar_t *cell = &(win->_line[row].text[col]);
wchar_t *wch;
attr_t attrs;
- short pair;
+ NCURSES_PAIRS_T pair;
int n2;
bool done = FALSE;
mbstate_t state;
if (getcchar(cell, wch, &attrs, &pair, 0) == OK) {
init_mb(state);
- n3 = wcstombs(0, wch, 0);
+ n3 = wcstombs(0, wch, (size_t) 0);
if (!isEILSEQ(n3) && (n3 != 0)) {
- if (((int) n3 + i) > n) {
+ size_t need = n3 + 10 + (size_t) i;
+ int have = (int) n3 + i;
+
+ /* check for loop-done as well as overflow */
+ if (have > n || (int) need <= 0) {
done = TRUE;
- } else if ((tmp = typeCalloc(char, n3 + 10)) == 0) {
+ } else if ((tmp = typeCalloc(char, need)) == 0) {
done = TRUE;
} else {
init_mb(state);