Mini Basic: some cosmetic changes

interpreters/minibasic/basic.c

@@ -1163,6 +1163,7 @@ static void doinput(void)
       break;
 
     case STRID:
+      {
         if (*lv.sval)
           {
             free(*lv.sval);
@@ -1189,10 +1190,11 @@ static void doinput(void)
             seterror(ERR_OUTOFMEMORY);
             return;
           }
+      }
       break;
 
     default:
-      return;
+      break;
     }
 }
 
@@ -1239,6 +1241,7 @@ static void lvalue(FAR struct mb_lvalue_s *lv)
   switch (g_token)
     {
     case FLTID:
+      {
         getid(g_string, name, &len);
         match(FLTID);
         var = findvariable(name);
@@ -1256,9 +1259,11 @@ static void lvalue(FAR struct mb_lvalue_s *lv)
         lv->type = FLTID;
         lv->dval = &var->dval;
         lv->sval = 0;
+      }
       break;
 
     case STRID:
+      {
         getid(g_string, name, &len);
         match(STRID);
         var = findvariable(name);
@@ -1276,10 +1281,12 @@ static void lvalue(FAR struct mb_lvalue_s *lv)
         lv->type = STRID;
         lv->sval = &var->sval;
         lv->dval = 0;
+      }
       break;
 
     case DIMFLTID:
     case DIMSTRID:
+      {
         type = (g_token == DIMFLTID) ? FLTID : STRID;
         getid(g_string, name, &len);
         match(g_token);
@@ -1289,14 +1296,17 @@ static void lvalue(FAR struct mb_lvalue_s *lv)
             switch (dimvar->ndims)
               {
               case 1:
+                {
                   index[0] = integer(expr());
                   if (g_errorflag == 0)
                     {
                       valptr = getdimvar(dimvar, index[0]);
                     }
+                }
                 break;
 
               case 2:
+                {
                   index[0] = integer(expr());
                   match(COMMA);
                   index[1] = integer(expr());
@@ -1304,9 +1314,11 @@ static void lvalue(FAR struct mb_lvalue_s *lv)
                     {
                       valptr = getdimvar(dimvar, index[0], index[1]);
                     }
+                }
                 break;
 
               case 3:
+                {
                   index[0] = integer(expr());
                   match(COMMA);
                   index[1] = integer(expr());
@@ -1316,9 +1328,11 @@ static void lvalue(FAR struct mb_lvalue_s *lv)
                     {
                       valptr = getdimvar(dimvar, index[0], index[1], index[2]);
                     }
+                }
                 break;
 
               case 4:
+                {
                   index[0] = integer(expr());
                   match(COMMA);
                   index[1] = integer(expr());
@@ -1331,9 +1345,11 @@ static void lvalue(FAR struct mb_lvalue_s *lv)
                       valptr =
                         getdimvar(dimvar, index[0], index[1], index[2], index[3]);
                     }
+                }
                 break;
 
               case 5:
+                {
                   index[0] = integer(expr());
                   match(COMMA);
                   index[1] = integer(expr());
@@ -1348,6 +1364,7 @@ static void lvalue(FAR struct mb_lvalue_s *lv)
                       valptr =
                         getdimvar(dimvar, index[0], index[1], index[2], index[3]);
                     }
+                }
                 break;
              }
 
@@ -1375,6 +1392,7 @@ static void lvalue(FAR struct mb_lvalue_s *lv)
               assert(0);
             }
         }
+      }
       break;
 
     default:
@@ -1455,9 +1473,15 @@ static int boolfactor(void)
           if (!strleft || !strright)
             {
               if (strleft)
+                {
                   free(strleft);
+                }
+
               if (strright)
+                {
                   free(strright);
+                }
+
               return 0;
             }
           cmp = strcmp(strleft, strright);