X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_touch.c;h=d8d59e138c2ec63c18750256404eb21d2f06eef1;hp=8023c705802766c40ebd7090c759de12b97d0c6b;hb=790a85dbd4a81d5f5d8dd02a44d84f01512ef443;hpb=f79b52fddd95c7a6f1ead29ef9c39eb8cdf60795;ds=sidebyside diff --git a/ncurses/base/lib_touch.c b/ncurses/base/lib_touch.c index 8023c705..d8d59e13 100644 --- a/ncurses/base/lib_touch.c +++ b/ncurses/base/lib_touch.c @@ -1,5 +1,6 @@ /**************************************************************************** - * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. * + * Copyright 2020 Thomas E. Dickey * + * Copyright 1998-2016,2017 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 * @@ -43,16 +44,19 @@ #include -MODULE_ID("$Id: lib_touch.c,v 1.11 2010/12/19 01:22:58 tom Exp $") +MODULE_ID("$Id: lib_touch.c,v 1.16 2020/02/02 23:34:34 tom Exp $") + +#undef is_linetouched NCURSES_EXPORT(bool) is_linetouched(WINDOW *win, int line) { T((T_CALLED("is_linetouched(%p,%d)"), (void *) win, line)); - /* XSI doesn't define any error */ - if (!win || (line > win->_maxy) || (line < 0)) - returnCode((bool) ERR); + /* XSI doesn't define any error, and gcc ultimately made it impossible */ + if (!win || (line > win->_maxy) || (line < 0)) { + returnCode(FALSE); + } returnCode(win->_line[line].firstchar != _NOCHANGE ? TRUE : FALSE); } @@ -60,14 +64,15 @@ is_linetouched(WINDOW *win, int line) NCURSES_EXPORT(bool) is_wintouched(WINDOW *win) { - int i; - T((T_CALLED("is_wintouched(%p)"), (void *) win)); - if (win) + if (win) { + int i; + for (i = 0; i <= win->_maxy; i++) if (win->_line[i].firstchar != _NOCHANGE) returnCode(TRUE); + } returnCode(FALSE); } @@ -84,7 +89,7 @@ wtouchln(WINDOW *win, int y, int n, int changed) for (i = y; i < y + n; i++) { if (i > win->_maxy) break; - win->_line[i].firstchar = changed ? 0 : _NOCHANGE; + win->_line[i].firstchar = (NCURSES_SIZE_T) (changed ? 0 : _NOCHANGE); win->_line[i].lastchar = (NCURSES_SIZE_T) (changed ? win->_maxx : _NOCHANGE);