fdo#39440 reduce scope of local variables

This addresses some cppcheck warnings.

Change-Id: I9812658e8a96dd35d686c7ae7a8b829267c5c8bc
Reviewed-on: https://gerrit.libreoffice.org/13499
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>

hwpfilter/source/formula.cxx

@@ -638,12 +638,11 @@ int Formula::parse()
      if( res ){
           makeMathML( res );
      }
-     Node *tmpNode;
      int count = nodelist.size();
      for( int i = 0 ; i < count ; i++ ){
-	  tmpNode = nodelist.front();
-	  nodelist.pop_front();
-          delete tmpNode;
+         const Node *tmpNode = nodelist.front();
+         nodelist.pop_front();
+         delete tmpNode;
      }
 
      return 0;

hwpfilter/source/hcode.cxx

@@ -498,7 +498,6 @@ static hchar lineCharConv(hchar ch)
 static int KsSearch(hchar c)
 {
     int lo, hi, mid;
-    hchar c2;
 
     lo = mid = 0;
     hi = 2350 - 1;
@@ -506,7 +505,7 @@ static int KsSearch(hchar c)
     while (lo <= hi)
     {
         mid = (lo + hi) >> 1;
-        c2 = ksTbl[mid];
+        hchar c2 = ksTbl[mid];
         if (c == c2)
             break;
         if (c < c2)
@@ -1187,11 +1186,11 @@ hchar_string hstr2ucsstr(hchar const* hstr)
 ::std::string hstr2ksstr(hchar const* hstr)
 {
     ::std::string ret;
-    int res, j;
+    int j;
      hchar dest[3];
     for( ; *hstr ; )
     {
-        res = hcharconv(*hstr++, dest, KS);
+        int res = hcharconv(*hstr++, dest, KS);
           for( j = 0 ; j < res ; j++ ){
               int c = dest[j];
               if( c < 32 )
@@ -1397,7 +1396,7 @@ char* base64_encode_string( const uchar *buf, unsigned int len )
     char * out;
     int inPos  = 0;
     int outPos = 0;
-    int c1, c2, c3;
+    int c1, c2;
     unsigned int i;
 
     out=(char *)malloc( (len*4/3)+8 );
@@ -1407,7 +1406,7 @@ char* base64_encode_string( const uchar *buf, unsigned int len )
     {
         c1 = buf[inPos++] & 0xFF;
         c2 = buf[inPos++] & 0xFF;
-        c3 = buf[inPos++] & 0xFF;
+        int c3 = buf[inPos++] & 0xFF;
         out[outPos++] = basis_64[(c1 & 0xFC) >> 2];
         out[outPos++] = basis_64[((c1 & 0x03) << 4) | ((c2 & 0xF0) >> 4)];
         out[outPos++] = basis_64[((c2 & 0x0F) << 2) | ((c3 & 0xC0) >> 6)];

hwpfilter/source/hwpeq.cxx

@@ -383,12 +383,12 @@ static const hwpeq eq_tbl[] = {
 static const hwpeq *lookup_eqn(char *str)
 {
   static const int eqCount = SAL_N_ELEMENTS(eq_tbl);
-  int       m, k, l = 0, r = eqCount;
+  int l = 0, r = eqCount;
   const hwpeq *result = 0;
 
   while( l < r ) {
-    m = (l + r) / 2;
-    k = strcmp(eq_tbl[m].key, str);
+    const int m = (l + r) / 2;
+    const int k = strcmp(eq_tbl[m].key, str);
     if( k == 0 ) {
       result = eq_tbl + m;
       break;
@@ -613,9 +613,8 @@ static int eq_word(MzString& outs, istream *strm, int status)
 
       if( 0 != (eq = lookup_eqn(keyword)) ) {
         int nargs = eq->nargs;
-        int ch;
         while( nargs-- ) {
-          ch = read_white_space(state, strm);
+          const int ch = read_white_space(state, strm);
           if( ch != '{' ) state << '{';
           eq_word(state, strm, script_status);
           if( ch != '{' ) state << '}';

hwpfilter/source/hwpfile.cxx

@@ -270,13 +270,10 @@ bool HWPFile::ReadParaList(std::list < HWPPara* > &aplist, unsigned char flag)
 
 bool HWPFile::TagsRead(void)
 {
-    ulong tag;
-    long size;
-
     while (true)
     {
-        tag = Read4b();
-        size = Read4b();
+        ulong tag = Read4b();
+        long size = Read4b();
         if (size <= 0 && tag > 0){
             continue;
           }
@@ -374,11 +371,10 @@ ColumnDef *HWPFile::GetColumnDef(int num)
 int HWPFile::GetPageMasterNum(int page)
 {
     std::list<ColumnInfo*>::iterator it = columnlist.begin();
-    ColumnInfo *now = 0;
     int i;
 
     for( i = 1 ; it != columnlist.end() ; ++it, i++){
-        now = *it;
+        ColumnInfo *now = *it;
         if( page < now->start_page )
             return i-1;
     }
@@ -619,10 +615,9 @@ int HWPFile::compareCharShape(CharShape *shape)
     int count = cslist.size();
     if( count > 0 )
     {
-        CharShape *cshape=0;
         for(int i = 0; i< count; i++)
         {
-            cshape = getCharShape(i);
+            CharShape *cshape = getCharShape(i);
 
             if( shape->size == cshape->size &&
                 shape->font[0] == cshape->font[0] &&
@@ -646,10 +641,9 @@ int HWPFile::compareParaShape(ParaShape *shape)
     int count = pslist.size();
     if( count > 0 )
     {
-        ParaShape *pshape=0;
         for(int i = 0; i< count; i++)
         {
-            pshape = getParaShape(i);
+            ParaShape *pshape = getParaShape(i);
             if( shape->left_margin == pshape->left_margin &&
                 shape->right_margin == pshape->right_margin &&
                 shape->pspacing_prev == pshape->pspacing_prev &&

hwpfilter/source/hwpreader.cxx

@@ -3962,14 +3962,14 @@ void HwpReader::makePictureDRAW(HWPDrawingObject *drawobj, Picture * hbox)
 {
     int x = hbox->pgx;
     int y = hbox->pgy;
-    int a, b;
     bool bIsRotate = false;
 
     while (drawobj)
     {
         padd("draw:style-name", sXML_CDATA,
             ascii(Int2Str(drawobj->index, "Draw%d", buf)));
-          a = 0; b = 0;
+        int a = 0;
+        int b = 0;
 
         switch (hbox->style.anchor_type)
         {

hwpfilter/source/solver.cxx

@@ -81,14 +81,14 @@ int mgcLinearSystemD::Solve (int n, double** a, double* b)
   int i, j, k;
   int irow = 0;
   int icol = 0;
-  double big, pivinv, save;
+  double save;
 
   for (j = 0; j < n; j++)
     ipiv[j] = 0;
 
   for (i = 0; i < n; i++)
   {
-    big = 0;
+    double big = 0;
     for (j = 0; j < n; j++)
     {
       if ( ipiv[j] != 1 )
@@ -137,7 +137,7 @@ int mgcLinearSystemD::Solve (int n, double** a, double* b)
       return 0;
     }
 
-    pivinv = 1/a[icol][icol];
+    double pivinv = 1/a[icol][icol];
     a[icol][icol] = 1;
     for (k = 0; k < n; k++)
       a[icol][k] *= pivinv;