ECC-1134: BUFR indexing (Part 1)

src/grib_api.h

@@ -272,17 +272,19 @@ grib_index* grib_index_new_from_file(grib_context* c,
  *
  * @param c           : context  (NULL for default context)
  * @param keys        : comma separated list of keys for the index.
- *    The type of the key can be explicitly declared appending :l for long,
- *    (or alternatively :i)
- *    :d for double, :s for string to the key name. If the type is not
+ *    The type of the key can be explicitly declared appending ":l" for long,
+ *    (or alternatively ":i"), ":d" for double, ":s" for string to the key name. If the type is not
  *    declared explicitly, the native type is assumed.
  * @param err         :  0 if OK, integer value on error
  * @return            the newly created index
  */
 grib_index* grib_index_new(grib_context* c, const char* keys, int* err);
 
+/* EXPERIMENTAL */
 int codes_index_set_product_kind(grib_index* index, ProductKind product_kind);
 int codes_index_set_unpack_bufr(grib_index* index, int unpack);
+
+
 /**
  *  Indexes the file given in argument in the index given in argument.
  *

src/grib_api_internal.h

@@ -1394,7 +1394,7 @@ struct grib_index
     grib_file* files;
     int count;
     ProductKind product_kind;
-    int unpack_bufr; /* For meaningful for BUFR */
+    int unpack_bufr; /* Only meaningful for product_kind of BUFR */
 };
 
 /* header compute */

src/grib_index.c

@@ -1986,8 +1986,10 @@ int is_index_file(const char* filename)
 {
     FILE* fh;
     char buf[8] = {0,};
-    const char* id_grib = "GRBIDX";
-    const char* id_bufr = "BFRIDX";
+    /* Only read the first 6 characters of identifier. Exclude version */
+    const size_t numChars = 6;
+    const char* id_grib   = "GRBIDX";
+    const char* id_bufr   = "BFRIDX";
     int ret         = 0;
     size_t size     = 0;
 
@@ -2000,7 +2002,7 @@ int is_index_file(const char* filename)
         fclose(fh);
         return 0;
     }
-    size = fread(buf, 6, 1, fh);
+    size = fread(buf, numChars, 1, fh);
     if (size != 1) {
         fclose(fh);
         return 0;

tools/CMakeLists.txt

@@ -30,7 +30,7 @@ list( APPEND ecc_tools_binaries
              codes_info codes_count codes_split_file
              grib_histogram grib_filter grib_ls grib_dump grib_merge
              grib2ppm grib_set grib_get grib_get_data grib_copy
-             grib_compare codes_parser grib_index_build bufr_index_build
+             grib_compare codes_parser grib_index_build
              bufr_ls bufr_dump bufr_set bufr_get
              bufr_copy bufr_compare
              gts_get gts_compare gts_copy gts_dump gts_filter gts_ls