ncurses 6.0 - patch 20160528

[ncurses.git] / ncurses / base / lib_addch.c

diff --git a/ncurses/base/lib_addch.c b/ncurses/base/lib_addch.c
index e104e10840c9073ed409bdfcd2970137d6860bef..2c0727947f35638f04288bc5226a4ea1b5f93081 100644 (file)
--- a/ncurses/base/lib_addch.c
+++ b/ncurses/base/lib_addch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2014,2016 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            *
@@ -36,7 +36,7 @@
 #include <curses.priv.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_addch.c,v 1.122 2009/10/24 22:49:16 tom Exp $")
+MODULE_ID("$Id: lib_addch.c,v 1.130 2016/05/28 23:12:00 tom Exp $")
 
 static const NCURSES_CH_T blankchar = NewChar(BLANK_TEXT);
 
@@ -51,7 +51,7 @@ static const NCURSES_CH_T blankchar = NewChar(BLANK_TEXT);
  */
 
 /* Return bit mask for clearing color pair number if given ch has color */
-#define COLOR_MASK(ch) (~(attr_t)((ch) & A_COLOR ? A_COLOR : 0))
+#define COLOR_MASK(ch) (~(attr_t)(((ch) & A_COLOR) ? A_COLOR : 0))
 
 static NCURSES_INLINE NCURSES_CH_T
 render_char(WINDOW *win, NCURSES_CH_T ch)
@@ -77,12 +77,6 @@ render_char(WINDOW *win, NCURSES_CH_T ch)
            if ((pair = GET_WINDOW_PAIR(win)) == 0)
                pair = GetPair(win->_nc_bkgd);
        }
-#if 0
-       if (pair > 255) {
-           NCURSES_CH_T fixme = ch;
-           SetPair(fixme, pair);
-       }
-#endif
        AddAttr(ch, (a & COLOR_MASK(AttrOf(ch))));
        SetPair(ch, pair);
     }
@@ -131,7 +125,7 @@ newline_forces_scroll(WINDOW *win, NCURSES_SIZE_T * ypos)
        *ypos = win->_regbottom;
        result = TRUE;
     } else {
-       *ypos += 1;
+       *ypos = (NCURSES_SIZE_T) (*ypos + 1);
     }
     return result;
 }
@@ -176,8 +170,8 @@ fill_cells(WINDOW *win, int count)
        if (waddch_literal(win, blank) == ERR)
            break;
     }
-    win->_curx = save_x;
-    win->_cury = save_y;
+    win->_curx = (NCURSES_SIZE_T) save_x;
+    win->_cury = (NCURSES_SIZE_T) save_y;
 }
 #endif
 
@@ -213,9 +207,10 @@ _nc_build_wch(WINDOW *win, ARG_CH_T ch)
     buffer[WINDOW_EXT(win, addch_used)] = (char) CharOf(CHDEREF(ch));
     WINDOW_EXT(win, addch_used) += 1;
     buffer[WINDOW_EXT(win, addch_used)] = '\0';
-    if ((len = mbrtowc(&result,
-                      buffer,
-                      WINDOW_EXT(win, addch_used), &state)) > 0) {
+    if ((len = (int) mbrtowc(&result,
+                            buffer,
+                            (size_t) WINDOW_EXT(win, addch_used),
+                            &state)) > 0) {
        attr_t attrs = AttrOf(CHDEREF(ch));
        if_EXT_COLORS(int pair = GetPair(CHDEREF(ch)));
        SetChar(CHDEREF(ch), result, attrs);
@@ -275,11 +270,11 @@ waddch_literal(WINDOW *win, NCURSES_CH_T ch)
 
                /* handle EILSEQ (i.e., when len >= -1) */
                if (len == -1 && is8bits(CharOf(ch))) {
-                   int rc = OK;
                    const char *s = NCURSES_SP_NAME(unctrl)
                      (NCURSES_SP_ARGx (chtype) CharOf(ch));
 
                    if (s[1] != '\0') {
+                       int rc = OK;
                        while (*s != '\0') {
                            rc = waddch(win, UChar(*s) | attr);
                            if (rc != OK)
@@ -402,7 +397,7 @@ waddch_literal(WINDOW *win, NCURSES_CH_T ch)
     if (x > win->_maxx) {
        return wrap_to_next_line(win);
     }
-    win->_curx = x;
+    win->_curx = (NCURSES_SIZE_T) x;
     return OK;
 }
 
@@ -411,16 +406,18 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch)
 /* the workhorse function -- add a character to the given window */
 {
     NCURSES_SIZE_T x, y;
-    chtype t = CharOf(ch);
+    chtype t = (chtype) CharOf(ch);
 #if USE_WIDEC_SUPPORT || NCURSES_SP_FUNCS || USE_REENTRANT
     SCREEN *sp = _nc_screen_of(win);
 #endif
     const char *s = NCURSES_SP_NAME(unctrl) (NCURSES_SP_ARGx t);
     int tabsize = 8;
+
     /*
      * If we are using the alternate character set, forget about locale.
      * Otherwise, if unctrl() returns a single-character or the locale
-     * claims the code is printable, treat it that way.
+     * claims the code is printable (and not also a control character),
+     * treat it that way.
      */
     if ((AttrOf(ch) & A_ALTCHARSET)
        || (
@@ -430,14 +427,15 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch)
               s[1] == 0
        )
        || (
-              isprint(t)
+              (isprint((int) t) && !iscntrl((int) t))
 #if USE_WIDEC_SUPPORT
               || ((sp == 0 || !sp->_legacy_coding) &&
                   (WINDOW_EXT(win, addch_used)
                    || !_nc_is_charable(CharOf(ch))))
 #endif
-       ))
+       )) {
        return waddch_literal(win, ch);
+    }
 
     /*
      * Handle carriage control and other codes that are not printable, or are
@@ -453,7 +451,7 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch)
 #else
        tabsize = TABSIZE;
 #endif
-       x += (tabsize - (x % tabsize));
+       x = (NCURSES_SIZE_T) (x + (tabsize - (x % tabsize)));
        /*
         * Space-fill the tab on the bottom line so that we'll get the
         * "correct" cursor position.
@@ -503,7 +501,7 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch)
     default:
        while (*s) {
            NCURSES_CH_T sch;
-           SetChar(sch, *s++, AttrOf(ch));
+           SetChar(sch, UChar(*s++), AttrOf(ch));
            if_EXT_COLORS(SetPair(sch, GetPair(ch)));
            if (waddch_literal(win, sch) == ERR)
                return ERR;