T3E compiler refuses to implicitly cast 'const <something> *' pointers

to 'void *'. Putting both types into a union also fixes this nasty compiler
warning about cast discarding 'const' from pointer target value.


git-svn-id: http://svn.cactuscode.org/arrangements/CactusConnect/HTTPD/trunk@122 1faa4e14-9dd3-4be0-9f0e-ffe519881164

1 files changed, 8 insertions, 4 deletions

diff --git a/src/Parameters.c b/src/Parameters.c
index 1130d85..ffc3b3e 100644
--- a/src/Parameters.c
+++ b/src/Parameters.c
@@ -95,7 +95,11 @@ int HTTPi_RegisterParameterPages(void)
   char pagename[27+20+100]; /* Thorns have maximum length
                              then added 100 for parameters */
   char *namecopy;
-  const cParamData *pData;
+  union
+  {
+    const cParamData *pData;
+    void *non_const_pData;
+  } u;
 
   /* Two ways to do this - can either just have one function
    * registered as /Parameters which then checks request->residual,
@@ -123,11 +127,11 @@ int HTTPi_RegisterParameterPages(void)
 
     /* Walk through all parameters of given implementation. */
       first = 1;
-      while(CCTK_ParameterWalk(first, thorn, NULL, &pData) == 0)
+      while(CCTK_ParameterWalk(first, thorn, NULL, &u.pData) == 0)
       {
         first = 0;
-        sprintf(pagename,"/Parameters/%s/%s",thorn,pData->name);
-        HTTP_RegisterPage(pagename, ParameterPage, pData);
+        sprintf(pagename,"/Parameters/%s/%s",thorn,u.pData->name);
+        HTTP_RegisterPage(pagename, ParameterPage, u.non_const_pData);
       }
   }