Add a backend-independent flags + getter for dbis

- Keeping up pretense of being backend independent where its easy
  to do... and rdonly+created status are rather obviously universally
  mappable

2 files changed, 28 insertions, 0 deletions

diff --git a/lib/backend/db3.c b/lib/backend/db3.c
index 47763ac4f..6cad9e8ec 100644
--- a/lib/backend/db3.c
+++ b/lib/backend/db3.c
@@ -366,6 +366,21 @@ dbiIndexType dbiType(dbiIndex dbi)
     return dbi->dbi_type;
 }
 
+int dbiFlags(dbiIndex dbi)
+{
+    DB *db = dbi->dbi_db;
+    int flags = DBI_NONE;
+    uint32_t oflags = 0;
+
+    if (db && db->get_open_flags(db, &oflags) == 0) {
+	if (oflags & DB_CREATE)
+	    flags |= DBI_CREATED;
+	if (oflags & DB_RDONLY)
+	    flags |= DBI_RDONLY;
+    }
+    return flags;
+}
+
 int dbiVerify(dbiIndex dbi, unsigned int flags)
 {
     int rc = 0;
diff --git a/lib/backend/dbi.h b/lib/backend/dbi.h
index 63233a8b8..4da145588 100644
--- a/lib/backend/dbi.h
+++ b/lib/backend/dbi.h
@@ -54,6 +54,12 @@ typedef enum dbiIndexType_e {
     DBI_SECONDARY	= (2 * sizeof(int32_t)),
 } dbiIndexType;
 
+enum dbiFlags_e {
+    DBI_NONE		= 0,
+    DBI_CREATED		= (1 << 0),
+    DBI_RDONLY		= (1 << 1),
+};
+
 /** \ingroup dbi
  * Describes an index database (implemented on Berkeley db functionality).
  */
@@ -231,6 +237,13 @@ int dbiByteSwapped(dbiIndex dbi);
 RPM_GNUC_INTERNAL
 dbiIndexType dbiType(dbiIndex dbi);
 
+/** \ingroup dbi
+ * Retrieve index control flags (new/existing, read-only etc)
+ * @param dbi		index database handle
+ * @return		dbi control flags
+ */
+RPM_GNUC_INTERNAL
+int dbiFlags(dbiIndex dbi);
 #ifdef __cplusplus
 }
 #endif