ncurses 6.0 - patch 20170212

[ncurses.git] / ncurses / tty / tty_update.c

diff --git a/ncurses/tty/tty_update.c b/ncurses/tty/tty_update.c
index f30096d8de365137727b1e8486ba639216b26394..16811f5e58ec79c5c68cd8799e9c22d13e53a664 100644 (file)
--- a/ncurses/tty/tty_update.c
+++ b/ncurses/tty/tty_update.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2014,2015 Free Software Foundation, Inc.              *
+ * Copyright (c) 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            *
@@ -82,7 +82,7 @@
 
 #include <ctype.h>
 
-MODULE_ID("$Id: tty_update.c,v 1.282 2015/12/20 00:59:09 tom Exp $")
+MODULE_ID("$Id: tty_update.c,v 1.286 2017/02/12 17:15:15 tom Exp $")
 
 /*
  * This define controls the line-breakout optimization.  Every once in a
@@ -676,7 +676,7 @@ EmitRange(NCURSES_SP_DCLx const NCURSES_CH_T * ntext, int num)
                                        TPARM_2(repeat_char,
                                                CharOf(ntext0),
                                                rep_count),
-                                       rep_count,
+                                       1,
                                        NCURSES_SP_NAME(_nc_outch));
                SP_PARM->_curscol += rep_count;
 
@@ -712,7 +712,6 @@ PutRange(NCURSES_SP_DCLx
         int row,
         int first, int last)
 {
-    int i, j, same;
     int rc;
 
     TR(TRACE_CHARPUT, ("PutRange(%p, %p, %p, %d, %d, %d)",
@@ -723,6 +722,8 @@ PutRange(NCURSES_SP_DCLx
 
     if (otext != ntext
        && (last - first + 1) > SP_PARM->_inline_cost) {
+       int i, j, same;
+
        for (j = first, same = 0; j <= last; j++) {
            if (!same && isWidecExt(otext[j]))
                continue;
@@ -1169,10 +1170,10 @@ ClrUpdate(NCURSES_SP_DCL0)
 static void
 ClrToEOL(NCURSES_SP_DCLx NCURSES_CH_T blank, int needclear)
 {
-    int j;
-
     if (CurScreen(SP_PARM) != 0
        && SP_PARM->_cursrow >= 0) {
+       int j;
+
        for (j = SP_PARM->_curscol; j < screen_columns(SP_PARM); j++) {
            if (j >= 0) {
                NCURSES_CH_T *cp =
@@ -1243,16 +1244,17 @@ ClrToEOS(NCURSES_SP_DCLx NCURSES_CH_T blank)
 static int
 ClrBottom(NCURSES_SP_DCLx int total)
 {
-    int row;
-    int col;
     int top = total;
     int last = min(screen_columns(SP_PARM), NewScreen(SP_PARM)->_maxx + 1);
     NCURSES_CH_T blank = NewScreen(SP_PARM)->_line[total - 1].text[last - 1];
-    bool ok;
 
     if (clr_eos && can_clear_with(NCURSES_SP_ARGx CHREF(blank))) {
+       int row;
 
        for (row = total - 1; row >= 0; row--) {
+           int col;
+           bool ok;
+
            for (col = 0, ok = TRUE; ok && col < last; col++) {
                ok = (CharEq(NewScreen(SP_PARM)->_line[row].text[col], blank));
            }
@@ -1734,16 +1736,16 @@ InsStr(NCURSES_SP_DCLx NCURSES_CH_T * line, int count)
        TPUTS_TRACE("parm_ich");
        NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
                                TPARM_1(parm_ich, count),
-                               count,
+                               1,
                                NCURSES_SP_NAME(_nc_outch));
-       while (count) {
+       while (count > 0) {
            PutAttrChar(NCURSES_SP_ARGx CHREF(*line));
            line++;
            count--;
        }
     } else if (enter_insert_mode && exit_insert_mode) {
        NCURSES_PUTP2("enter_insert_mode", enter_insert_mode);
-       while (count) {
+       while (count > 0) {
            PutAttrChar(NCURSES_SP_ARGx CHREF(*line));
            if (insert_padding) {
                NCURSES_PUTP2("insert_padding", insert_padding);
@@ -1753,7 +1755,7 @@ InsStr(NCURSES_SP_DCLx NCURSES_CH_T * line, int count)
        }
        NCURSES_PUTP2("exit_insert_mode", exit_insert_mode);
     } else {
-       while (count) {
+       while (count > 0) {
            NCURSES_PUTP2("insert_character", insert_character);
            PutAttrChar(NCURSES_SP_ARGx CHREF(*line));
            if (insert_padding) {
@@ -1778,8 +1780,6 @@ InsStr(NCURSES_SP_DCLx NCURSES_CH_T * line, int count)
 static void
 DelChar(NCURSES_SP_DCLx int count)
 {
-    int n;
-
     TR(TRACE_UPDATE, ("DelChar(%p, %d) called, position = (%ld,%ld)",
                      (void *) SP_PARM, count,
                      (long) NewScreen(SP_PARM)->_cury,
@@ -1789,9 +1789,11 @@ DelChar(NCURSES_SP_DCLx int count)
        TPUTS_TRACE("parm_dch");
        NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
                                TPARM_1(parm_dch, count),
-                               count,
+                               1,
                                NCURSES_SP_NAME(_nc_outch));
     } else {
+       int n;
+
        for (n = 0; n < count; n++) {
            NCURSES_PUTP2("delete_character", delete_character);
        }