fixed warnings unused variable

added .gitignore entries to filter out stuff produced by make

.gitignore

@@ -206,4 +206,71 @@ ehthumbs.db
 Thumbs.db
 .directory
 
+data/
+
 CMakeLists.txt.user*
+
+#some config
+myconfig*
+myconfigMem*
+myconfigO*
+myconfigemos*
+myconfigemosgprof*
+myconfiggprof*
+myconfignopy*
+
+#from make
+examples/C/check_gaussian_grid
+examples/C/clone
+examples/C/iterator_bitmap
+examples/C/new_sample
+examples/F90/f_copy_message
+examples/F90/f_copy_namespace
+examples/F90/f_count_messages
+examples/F90/f_get
+examples/F90/f_get_data
+examples/F90/f_get_pl
+examples/F90/f_get_pv
+examples/F90/f_get_set_uuid
+examples/F90/f_index
+examples/F90/f_keys_iterator
+examples/F90/f_multi
+examples/F90/f_multi_write
+examples/F90/f_nearest
+examples/F90/f_new_from_file
+examples/F90/f_precision
+examples/F90/f_print_data
+examples/F90/f_read_from_file
+examples/F90/f_read_message
+examples/F90/f_samples
+examples/F90/f_set
+examples/F90/f_set_bitmap
+examples/F90/f_set_gvc
+examples/F90/f_set_missing
+examples/F90/f_set_pv
+examples/python/.libs/
+examples/python/my.idx
+examples/python/p_count_messages
+examples/python/p_iterator
+examples/python/p_keys_iterator
+examples/python/p_print_data
+tools/bufr_compare
+tools/bufr_copy
+tools/bufr_dump
+tools/bufr_filter
+tools/bufr_get
+tools/bufr_index_build
+tools/bufr_ls
+tools/bufr_set
+tools/grib_to_json
+tools/metar_dump
+tools/metar_filter
+tools/metar_get
+tools/metar_ls
+tools/taf_dump
+tools/taf_filter
+tools/taf_get
+tools/taf_ls
+python/.libs/
+python/gribapi_swig.py
+python/gribapi_swig_wrap.c

src/grib_accessor_class_data_simple_packing.c

@@ -184,7 +184,6 @@ static unsigned long nbits[32]={
 
 static int number_of_bits(unsigned long x, long* result)
 {
-    int err = 0;
     const int count = sizeof(nbits)/sizeof(nbits[0]);
     unsigned long *n=nbits;
     *result=0;

src/grib_index.c

@@ -1591,7 +1591,7 @@ void grib_index_dump(FILE* fout, grib_index* index)
         grib_field* fld = ftree->field;
         if (fld) {
             grib_file* file = fld->file;
-            field_file = fld->file->name;
+            field_file = file->name;
         }
     }
     if (field_file) fprintf(fout, "Field file: %s\n", field_file);

tests/unit_tests.c

@@ -56,8 +56,7 @@ void test_gaussian_latitudes(int order)
 {
     int ret = 0;
     const int num = 2 * order;
-    const double tolerance = 1e-6;
-    double lat1 = 0, lat2 = 0, lon2 = 0;
+    double lat1 = 0, lat2 = 0;
 
     double* lats = (double*)malloc( sizeof(double)*num );