removed a bug in remove_first_and_last_char

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@1845 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

Author: x02lucpo

Compiler/runtime/systemimpl.c

@@ -173,9 +173,9 @@ RML_BEGIN_LABEL(System__remove_5ffirst_5fand_5flast_5fchar)
   int i;
   if(length > 1)
     {
-      res=malloc(length-2);
-      for(i = 1; i < length - 1; ++i)
-        res[i-1] = str[i];
+      res=malloc(length-1);
+      strncpy(res,str + 1,length-2);
+
       res[length-2] = '\0';  
     }
   rmlA0 = (void*) mk_scon(res);

Compiler/winruntime/systemimpl.c

@@ -160,10 +160,10 @@ RML_BEGIN_LABEL(System__remove_5ffirst_5fand_5flast_5fchar)
   int i;
   if(length > 1)
     {
-      res=malloc(length-2);
-      for(i = 1; i < length - 1; ++i)
-        res[i-1] = str[i];
-      res[length-2] = '\0';  
+      res=malloc(length-1);
+      strncpy(res,str + 1,length-2);
+
+      res[length-1] = '\0';  
     }
   rmlA0 = (void*) mk_scon(res);
   /* adrpo added 2004-10-29 */