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change behavior of waddnstr(w, s, 0) to be more conformant to XCURSES.

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(see comment for detail)
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itojun 2000-08-13 03:26:41 +00:00
parent 3804b1dddf
commit 4915bd101e
1 changed files with 11 additions and 3 deletions
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14
lib/libcurses/addnstr.c
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@ -1,4 +1,4 @@
/* $NetBSD: addnstr.c,v 1.9 2000/04/17 12:25:45 blymn Exp $ */
/* $NetBSD: addnstr.c,v 1.10 2000/08/13 03:26:41 itojun Exp $ */
/*
* Copyright (c) 1993, 1994
@ -38,7 +38,7 @@
#if 0
static char sccsid[] = "@(#)addnstr.c 8.2 (Berkeley) 5/4/94";
#else
__RCSID("$NetBSD: addnstr.c,v 1.9 2000/04/17 12:25:45 blymn Exp $");
__RCSID("$NetBSD: addnstr.c,v 1.10 2000/08/13 03:26:41 itojun Exp $");
#endif
#endif /* not lint */
@ -139,7 +139,15 @@ waddnstr(WINDOW *win, const char *s, int n)
size_t len;
const char *p;
if (n > 0)
/*
* behavior changed from traditional BSD curses, for better XCURSES
* conformance.
*
* BSD curses: if (n > 0) then "at most n", else "len = strlen(s)"
* ncurses: if (n >= 0) then "at most n", else "len = strlen(s)"
* XCURSES: if (n != -1) then "at most n", else "len = strlen(s)"
*/
if (n >= 0)
for (p = s, len = 0; n-- && *p++; ++len);
else
len = strlen(s);