Added eDBmappingFieldsPresent(...) which returns used fields in a fieldMap

2 files changed, 15 insertions, 0 deletions

diff --git a/database/eurephiadb_mapping.c b/database/eurephiadb_mapping.c
index e91a42e..7726752 100644
--- a/database/eurephiadb_mapping.c
+++ b/database/eurephiadb_mapping.c
@@ -309,3 +309,17 @@ char *eDBmkSortKeyString(eDBfieldMap *tfmap, const char *skeys_str) {
 
         return sortkeys;
 }
+
+long int eDBmappingFieldsPresent(eDBfieldMap *map) {
+        long int ret = 0;
+        eDBfieldMap *p = NULL;
+
+        // Loops through all elements and flags those
+        // fields with a value set.
+        for( p = map; p != NULL; p = p->next ) {
+                if( p->value != NULL ) {
+                        ret |= p->field_id;
+                }
+        }
+        return ret;
+}
diff --git a/database/eurephiadb_mapping.h b/database/eurephiadb_mapping.h
index a200d14..bf3cd6a 100644
--- a/database/eurephiadb_mapping.h
+++ b/database/eurephiadb_mapping.h
@@ -183,6 +183,7 @@ static eDBfieldMap eTblMap_fwprofiles[] = {
 void eDBfreeMapping(eDBfieldMap *p);
 eDBfieldMap *eDBxmlMapping(eurephiaCTX *ctx, eDBfieldMap *dbmap, const char *tblalias, xmlNode *fmap_n);
 char *eDBmkSortKeyString(eDBfieldMap *tfmap, const char *skeys_str);
+long int eDBmappingFieldsPresent(eDBfieldMap *map);
 
 #endif      // HAVE_LIBXML2
 #endif 	    // !EUREPHIADB_MAPPING_H