lib/DtTerm: Remove dead assignments, initializations and increments

This shouldn't change behavior (or even object code) at all because
those assignments are all without effect. Removing that code removes
noise which helps working with code analysis tools.

cde/lib/DtTerm/Term/Term.c

@@ -699,7 +699,6 @@ static void
 Resize(Widget w)
 {
     DtTermWidget tw = (DtTermWidget) w;
-    DtTermData td = tw->vt.td;
 
     /* let our superclass (the Term Widget) perform the resize... */
     tw->core.widget_class->core_class.superclass->core_class.resize(w);
@@ -880,7 +879,6 @@ static void
 Destroy(Widget w)
 {
     DtTermWidget tw = (DtTermWidget) w;
-    DtTermData td = tw->vt.td;
 
     /* remove the DtTermData structure contents, followed by the structure...
      */

cde/lib/DtTerm/Term/TermAction.c

@@ -572,7 +572,6 @@ _DtTermActionEditKeyExecute(Widget w, XEvent *event, String *params,
     long keyNumber;
     char *ret;
     int i;
-    DtTermData      td = tw->vt.td;
 
     if (*num_params < 1) {
         return;

cde/lib/DtTerm/Term/TermBuffer.c

@@ -624,12 +624,7 @@ _DtTermDeleteEnhancement
     }
 
     /* 
-    ** get a copy of the current enhancement
-    */
-    fillEnh = enh[col];
-
-    /* 
-    ** move all of the enhancement blocks between col + width and and the
+    ** move all of the enhancement blocks between col + width and the
     ** end of the line to col
     */
     copyCount = WIDTH(line) - (col + width);
@@ -736,19 +731,19 @@ _DtTermSetEnhancement
     switch (id)
     {
       case enhVideo:
-        enhState->video   = (value &= VIDEO_MASK);
+        enhState->video   = value & VIDEO_MASK;
         break;
       case enhField:
-        enhState->field   = (value &= FIELD_MASK);
+        enhState->field   = value & FIELD_MASK;
         break;
       case enhFgColor:
-        enhState->fgColor = (value &= COLOR_MASK);
+        enhState->fgColor = value & COLOR_MASK;
         break;
       case enhBgColor:
-        enhState->bgColor = (value &= COLOR_MASK);
+        enhState->bgColor = value & COLOR_MASK;
         break;
       case enhFont:
-        enhState->font    = (value &= FONT_MASK);
+        enhState->font    = value & FONT_MASK;
         break;
       default:
         return(-1);

cde/lib/DtTerm/Term/TermFunction.c

@@ -90,7 +90,6 @@ void
 _DtTermFuncScroll(Widget w, int count, FunctionSource functionSource)
 {
     DtTermPrimitiveWidget tw = (DtTermPrimitiveWidget) w;
-    struct termData *tpd = tw->term.tpd;
 
     /* make sure the cursor is off... */
     (void) _DtTermPrimCursorOff(w);
@@ -120,7 +119,6 @@ void
 _DtTermFuncEndOfBuffer(Widget w, int count, FunctionSource functionSource)
 {
     DtTermPrimitiveWidget tw = (DtTermPrimitiveWidget) w;
-    struct termData *tpd = tw->term.tpd;
 
     EXIT_IF_MARGINS_SET(tw)
     (void) _DtTermPrimCursorOff(w);
@@ -220,13 +218,9 @@ termFuncErase
 {
     DtTermPrimitiveWidget tw  = (DtTermPrimitiveWidget) w;
     DtTermPrimData        tpd = tw->term.tpd;
-    TermBuffer            tb  = tpd->termBuffer;
     short row;
     short col;
 
-    row = tpd->cursorRow + tpd->topRow;
-    col = tpd->cursorColumn;
-    
     switch(eraseSwitch)
     {
       case eraseToEOL:
@@ -339,8 +333,6 @@ void
 _DtTermFuncClearToEndOfBuffer(Widget w, int count, FunctionSource functionSource)
 {
     DtTermPrimitiveWidget      tw        = (DtTermPrimitiveWidget) w;
-    DtTermPrimData        tpd        = tw->term.tpd;
-    short trow ;
 
     /* turn the cursor off... */
     (void) _DtTermPrimCursorOff(w);
@@ -855,7 +847,6 @@ _DtTermFuncInsertLine(Widget w, int count, FunctionSource functionSource)
 	    }
 
 	    /* update screen info and counts... */
-	    count -= moveCount;
 	    insertedRows += moveCount;
 	}
     }
@@ -954,7 +945,6 @@ _DtTermVideoEnhancement(Widget w,int value)
     DtTermPrimData        tpd        = tw->term.tpd;
     DtTermWidget      vtw        = (DtTermWidget) w;
     DtTermData        td        = vtw->vt.td;
-    ParserContext   context   = GetParserContext(w);
 
       switch(value) {
         case 0:
@@ -1075,8 +1065,6 @@ _DtTermFontEnhancement(Widget w,int value)
     DtTermPrimitiveWidget      tw        = (DtTermPrimitiveWidget) w;
     DtTermPrimData        tpd        = tw->term.tpd;
     DtTermWidget      vtw        = (DtTermWidget) w;
-    DtTermData        td        = vtw->vt.td;
-    ParserContext   context   = GetParserContext(w);
 
     (void)_DtTermPrimBufferSetEnhancement(tpd->termBuffer,
               tpd->topRow + tpd->cursorRow, tpd->cursorColumn, enhFont, value);

cde/lib/DtTerm/Term/TermFunctionKey.c

@@ -54,7 +54,6 @@ _DtTermFunctionKeyExecute(
 )
 {
     DtTermWidget tw = (DtTermWidget) w;
-    DtTermData td = tw->vt.td;
 
     if (!shift || tw->vt.sunFunctionKeys == True ) {
       if ( tw->vt.sunFunctionKeys == True ) {  

cde/lib/DtTerm/Term/TermParse.c

@@ -536,11 +536,10 @@ _DtTermEraseChars(Widget w)   /* ECH  CSIpX */
 {
   ParserContext context ;
   DtTermWidget vtw = (DtTermWidget) w;
-  int row,col,cnt ;
+  int col,cnt ;
   Debug('P', fprintf(stderr,">>In func _DtTermEraseChars\n")) ;
   KILLWRAP(vtw) ;
   context = GetParserContext(w) ;
-  row = vtw->term.tpd->cursorRow ;
   col = vtw->term.tpd->cursorColumn ;
   STORELASTARG(context) ;
   cnt = context->parms[1] ;
@@ -596,12 +595,11 @@ _DtTermCursorUp(Widget w)    /* CUU  CISpA */
 {
   ParserContext context ;
   DtTermWidget vtw = (DtTermWidget) w;
-  int trow, row, tmargin, cnt;
+  int row, tmargin, cnt;
   Debug('P', fprintf(stderr,">>In func _DtTermCursorUp\n")) ;
   context = GetParserContext(w) ;
   KILLWRAP(vtw) ;
   tmargin = TOPMARGIN(vtw) ;
-  trow = TOPROW(vtw) ;
   STORELASTARG(context) ;
   cnt = context->parms[1] ;
   if (!(cnt))cnt=1;
@@ -659,13 +657,12 @@ _DtTermCursorBack(Widget w)    /* CUB CISpD */
 {
   ParserContext context ;
   DtTermWidget vtw = (DtTermWidget) w;
-  int i,k,j,row,col,fcol,cnt ;
+  int i,k,j,row,col,cnt ;
   Debug('P', fprintf(stderr,">>In func _DtTermCursorBack\n")) ;
   KILLWRAP(vtw) ;
   context = GetParserContext(w) ;
   STORELASTARG(context) ;
   cnt = context->parms[1] ;
-  fcol = FIRSTCOLUMN(vtw) ;
   row = vtw->term.tpd->cursorRow;
   col = vtw->term.tpd->cursorColumn;
   if (!cnt) cnt=1;
@@ -693,10 +690,8 @@ void
 _DtTermCursorToLineUp(Widget w)   /* CPL  CSIpF */
 {
   DtTermWidget vtw = (DtTermWidget) w;
-  ParserContext context ;
   Debug('P', fprintf(stderr,">>In func _DtTermCursorToLineUp\n")) ;
   KILLWRAP(vtw) ; 
-  context = GetParserContext(w) ;
   vtw->term.tpd->cursorColumn = FIRSTCOLUMN(vtw) ;
   _DtTermCursorUp(w) ;
 }
@@ -887,7 +882,6 @@ _DtTermCharAttributes(Widget w)   /* SGR CSIpm */
   Debug('P', fprintf(stderr,">>In func _DtTermCharAttributes\n")) ;
   context = GetParserContext(w) ;
   STORELASTARG(context) ;
-  cnt = PCOUNT(context) ;
   if(PCOUNT(context)) {
     for (cnt=1; cnt <= PCOUNT(context); cnt++)
        _DtTermVideoEnhancement(w,context->parms[cnt]) ;
@@ -936,7 +930,6 @@ _DtTermChangeTextParam(Widget w)  /* xterm  CSIp;pcCtrl-G  */
 {
   ParserContext context ;
   DtTermWidget tw = (DtTermWidget) w;
-  DtTermData vtd = tw->vt.td;
   Widget sw;
   int i ;
   Arg arg[5];
@@ -1033,7 +1026,6 @@ _DtTermSaveCursor(Widget w) /* DECSC ESC7 */
 {
   DtTermWidget vtw = (DtTermWidget) w;
   DtTermPrimitiveWidget tw = (DtTermPrimitiveWidget) w;
-  DtTermBuffer tb = (DtTermBuffer)tw->term.tpd->termBuffer ;
   DtTermData vtd = vtw->vt.td;
 
   Debug('P', fprintf(stderr,">>In func _DtTermSaveCursor\n")) ;
@@ -1168,19 +1160,13 @@ _DtTermSetCompatLevel(Widget w)   /* DECSCL CSI p;p"p (last p literal) */
 void 
 _DtTermInvokeG3(Widget w)  /* LS3R  ESC| */
 {
-  ParserContext context ;
-  int cnt ;
   Debug('P', fprintf(stderr,">>In func _DtTermInvokeG3\n")) ;
-  context = GetParserContext(w) ;
 }
 
 void 
 _DtTermInvokeG2(Widget w)  /* LS3R  ESC} */
 {
-  ParserContext context ;
-  int cnt ;
   Debug('P', fprintf(stderr,">>In func _DtTermInvokeG2\n")) ;
-  context = GetParserContext(w) ;
 }
 
 void 
@@ -1441,10 +1427,7 @@ _DtTermAlignTest(Widget w)     /* DECALN ESC#8 */
 void 
 _DtTermInvokeG1(Widget w)     /* ESC~ESC */
 {
-  ParserContext context ;
-  int cnt ;
   Debug('P', fprintf(stderr,">>In func _DtTermInvokeG1\n")) ;
-  context = GetParserContext(w) ;
 }
 
 void 
@@ -1538,7 +1521,6 @@ _DtTermSelEraseInDisplay(Widget w) /* DECSED ESC?pJ */
 {
   DtTermWidget vtw = (DtTermWidget) w;
   DtTermPrimitiveWidget tw = (DtTermPrimitiveWidget) w;
-  TermBuffer tb = tw->term.tpd->termBuffer ;
   ParserContext context ;
   enhValues evalues;
   int r,col1,col2,row1,row2,col,row ;
@@ -1689,10 +1671,7 @@ _DtTermParseHexDigit(Widget w) /* vt220 DECUDK store hex digit*/
 void 
 _DtTermReset(Widget w) /* RIS  ESCc */
 {
-  ParserContext context ;
-  int cnt ;
   Debug('P', fprintf(stderr,">>In func _DtTermReset\n")) ;
-  context = GetParserContext(w) ;
   _DtTermFuncHardReset(w,0 ,fromParser) ;
 }
 
@@ -1766,28 +1745,19 @@ _DtTermSetCharEraseMode(Widget w) /* DECSCA ESCp"q */
 void 
 _DtTermSingleWide(Widget w) /* DECSWL ESC#5 */
 {
-  ParserContext context ;
-  int cnt ;
   Debug('P', fprintf(stderr,">>In func _DtTermSingleWide\n")) ;
-  context = GetParserContext(w) ;
 }
 
 void 
 _DtTermDoubleWide(Widget w) /* DECDWL ESC#6  */
 {
-  ParserContext context ;
-  int cnt ;
   Debug('P', fprintf(stderr,">>In func _DtTermDoubleWide\n")) ;
-  context = GetParserContext(w) ;
 }
 
 void 
 _DtTermDoubleHigh(Widget w) /* DECWHL ESC#4 */
 {
-  ParserContext context ;
-  int cnt ;
   Debug('P', fprintf(stderr,">>In func _DtTermDoubleHigh\n")) ;
-  context = GetParserContext(w) ;
 }
 
 void
@@ -1990,11 +1960,9 @@ _DtTermParseBackspace  /*  Ctrl-H  */
     Widget w
 )
 {
-  ParserContext context ;
   DtTermWidget vtw = (DtTermWidget) w;
   int row,col,fcol,cnt ;
   Debug('P', fprintf(stderr,">>In func  _DtTermParseBackspace\n")) ;
-  context = GetParserContext(w) ;
   fcol = FIRSTCOLUMN(vtw) ;
   row = vtw->term.tpd->cursorRow;
   col = vtw->term.tpd->cursorColumn;
@@ -2098,7 +2066,6 @@ _DtTermParseSunMisc  /*  Misc sun esc seqs  */
   DtTermWidget vtw = (DtTermWidget) w;
   Display *display = XtDisplay(w);
   int i, scr_num = XScreenNumberOfScreen(XtScreen(w));
-  Window win = XtWindow(w);
   Window sh_win;
   Widget sw;
   XWindowChanges values;
@@ -2233,8 +2200,6 @@ Widget w
 void
 _DtTermParserSunIconFile(Widget w)   /* Sun set icon to pixmap in file */
 {
-  DtTermBuffer tb =
-            (DtTermBuffer)((DtTermPrimitiveWidget)w)->term.tpd->termBuffer ;
   ParserContext context ;
   int fg, bg;
   Widget sw;