fix seg fault with more than 1 var

git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Norms/trunk@7 f4913095-0e4f-0410-abea-a123d184f1f3

1 files changed, 17 insertions, 3 deletions

diff --git a/src/Setup_Vars.c b/src/Setup_Vars.c
index b09b594..8f14a88 100644
--- a/src/Setup_Vars.c
+++ b/src/Setup_Vars.c
@@ -116,6 +116,10 @@ void Norms_Setup_Vars (CCTK_ARGUMENTS)
   else
     *do_nothing=0;
 
+  for(i=0;i<max_nr_vars;i++) {
+    varindices_1st[i]=-1;
+    varindices_2nd[i]=-1;
+  }
 
   nvars = CCTK_NumVars();
   assert (nvars >= 0);
@@ -134,12 +138,11 @@ void Norms_Setup_Vars (CCTK_ARGUMENTS)
     (gridfunctions_2nd, getopt, norms_opts_2nd, CCTK_GROUP_OR_VAR);
   assert (ierr >= 0);
 
-  i=0;
   if (verbose>0)
     CCTK_INFO("We will compute norms for the following variables");
   for (n=0; n<nvars; ++n) {
     if (norms_opts_1st[n].active) {
-      varindices_1st[i]=norms_opts_1st[n].vi;
+      varindices_1st[*nr1stvars]=norms_opts_1st[n].vi;
       if (verbose>0) {
           CCTK_VInfo(CCTK_THORNSTRING,"    %s (1st order var)",
                         CCTK_FullName(varindices_1st[i]));
@@ -147,7 +150,7 @@ void Norms_Setup_Vars (CCTK_ARGUMENTS)
       *nr1stvars=*nr1stvars+1;
     }
     if (norms_opts_2nd[n].active) {
-      varindices_2nd[i]=norms_opts_2nd[n].vi;
+      varindices_2nd[*nr2ndvars]=norms_opts_2nd[n].vi;
       if (verbose>0) {
           CCTK_VInfo(CCTK_THORNSTRING,"    %s (2nd order var)",
                         CCTK_FullName(varindices_2nd[i]));
@@ -155,9 +158,20 @@ void Norms_Setup_Vars (CCTK_ARGUMENTS)
       *nr2ndvars=*nr2ndvars+1;
     }
   }
+  assert(*nr1stvars<max_nr_vars);
+  assert(*nr2ndvars<max_nr_vars);
   if (verbose>2)
     fprintf(stderr,"   nr1stvars %d nr2ndvars %d\n",*nr1stvars,*nr2ndvars);
 
+  if (verbose>4) {
+    fprintf(stderr,"   The actual variable arrays look like\n");
+    for (n=0;n<max_nr_vars;n++) {
+      fprintf(stderr,"      i:%d 1st (vi:%d vn:%s) 2nd (vi:%d vn:%s)\n",
+          n,varindices_1st[n],CCTK_VarName(varindices_1st[n]),
+          varindices_2nd[n],CCTK_VarName(varindices_2nd[n]));
+    }
+  }
+
   free (norms_opts_1st);
   free (norms_opts_2nd);
 }