1 files changed, 19 insertions, 5 deletions
diff --git a/src/ioconvert.cc b/src/ioconvert.cc
index 6ba466c..5c818b7 100644
--- a/src/ioconvert.cc
+++ b/src/ioconvert.cc
@@ -41,39 +41,53 @@ int main(int argc,char *argv[]){
   else swap=0;
 
   // for the input file
+#if defined(WITH_HDF4) || defined(WITH_HDF5)
   char *s_ext=strrchr(argv[sindex],'.');
   char *d_ext=strrchr(argv[dindex],'.');
+#endif
 #ifdef WITH_HDF4
-  if(s_ext && !strcmp(s_ext,".hdf")){
+  if(s_ext && !strcmp(s_ext,".hdf"))
+  {
     infile=hdffile=new HDFIO(argv[sindex],IObase::Read);
     hdfin=1;
   }
+  else
 #endif
 #ifdef WITH_HDF5
-  else if(s_ext && !strcmp(s_ext,".h5")){
+  if(s_ext && !strcmp(s_ext,".h5"))
+  {
     infile=new H5IO(argv[sindex],IObase::Read);
   }
+  else
 #endif
-  else // assume its raw
+  {
+    // assume its raw
     infile=new IEEEIO(argv[sindex],IObase::Read);
+  }
   if(!infile->isValid()){
     printf("cant read %s\n",argv[sindex]); 
     usage();
   }
 
   // for the outfile, 
+#ifdef WITH_HDF4
   if(d_ext && !strcmp(d_ext,".hdf"))
   {
     outfile=new HDFIO(argv[dindex],IObase::Create);
   }
+  else
+#endif
 #ifdef WITH_HDF5
-  else if(d_ext && !strcmp(d_ext,".h5"))
+  if(d_ext && !strcmp(d_ext,".h5"))
   {
     outfile=new H5IO(argv[dindex],IObase::Create);
   }
+  else
 #endif
-  else // assume its raw
+  {
+    // assume its raw
     outfile=new IEEEIO(argv[dindex],IObase::Create,swap); // swap only affects IEEEIO output
+  }
   if(!outfile->isValid()){
     printf("cant write %s\n",argv[dindex]); 
     delete infile;