From 69b4090f81c06f12bfd4a9003020f540aebb6442 Mon Sep 17 00:00:00 2001
From: Florian Festi <ffesti@redhat.com>
Date: Sun, 9 Nov 2008 17:54:47 +0100
Subject: [PATCH] Add rpmdbExtendIterator to do repeated searches

---
 lib/rpmdb.c          | 15 +++++++++++++++
 lib/rpmdb_internal.h | 10 ++++++++++
 2 files changed, 25 insertions(+)

diff --git a/lib/rpmdb.c b/lib/rpmdb.c
index f1fd8d1..5065f6e 100644
--- a/lib/rpmdb.c
+++ b/lib/rpmdb.c
@@ -2335,6 +2335,21 @@ rpmdbMatchIterator rpmdbInitIterator(rpmdb db, rpmTag rpmtag,
     return mi;
 }
 
+/** \ingroup rpmdb
+ * Return database iterator.
+ * @param mi		rpm database iterator
+ * @param keyp		key data (NULL for sequential access)
+ * @param keylen	key data length (0 will use strlen(keyp))
+ * @return		0 on success
+ */
+int rpmdbExtendIterator(rpmdbMatchIterator mi,
+			const void * keyp, size_t keylen)
+{
+    mi->mi_key.data = (void *) keyp;
+    mi->mi_key.size = keylen ? keylen : strlen(keyp);
+    return rpmdbGrowIterator(mi, 0);
+}
+
 /*
  * Convert current tag data to db key
  * @param tagdata	Tag data container
diff --git a/lib/rpmdb_internal.h b/lib/rpmdb_internal.h
index 7ca5e0d..010a28d 100644
--- a/lib/rpmdb_internal.h
+++ b/lib/rpmdb_internal.h
@@ -661,6 +661,16 @@ unsigned int dbiIndexRecordOffset(dbiIndexSet set, int recno);
 RPM_GNUC_INTERNAL
 unsigned int dbiIndexRecordFileNumber(dbiIndexSet set, int recno);
 
+/** \ingroup rpmdb
+ * Return database iterator.
+ * @param mi		rpm database iterator
+ * @param keyp		key data (NULL for sequential access)
+ * @param keylen	key data length (0 will use strlen(keyp))
+ * @return		0 on success
+ */
+int rpmdbExtendIterator(rpmdbMatchIterator mi,
+			const void * keyp, size_t keylen);
+
 #ifndef __APPLE__
 /**
  *  * Mergesort, same arguments as qsort(2).
-- 
2.7.4