From ac2e4abe983f7de769ecef5e35f9c33f0bc88d7d Mon Sep 17 00:00:00 2001
From: Frederic Lepied <flepied@mandriva.com>
Date: Thu, 19 Oct 2000 12:26:49 +0000
Subject: use iterators.

---
 rpm-find-leaves.c |  5 +++--
 rpmtools.xs       | 27 +++++++++++++--------------
 2 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/rpm-find-leaves.c b/rpm-find-leaves.c
index c72337a..45e2e29 100644
--- a/rpm-find-leaves.c
+++ b/rpm-find-leaves.c
@@ -28,17 +28,18 @@ int main() {
   int numConflicts;
   rpmdb db;
   int i;
+  rpmdbMatchIterator mi;
 
   rpmReadConfigFiles(NULL, NULL);
 
   db = open_rpmdb();
 
-  for(i = rpmdbFirstRecNum(db); i; i = rpmdbNextRecNum(db, i)) {
+  while(header = rpmdbNextIterator(mi)) {
     trans = rpmtransCreateSet(db, NULL);
+    i=rpmdbGetIteratorOffset(mi);
     rpmtransRemovePackage(trans, i);
     if (rpmdepCheck(trans, &conflicts, &numConflicts)) die("rpmdepCheck");
     if (numConflicts == 0) {
-      header = rpmdbGetRecord(db, i);
       printf("%s-%s-%s\n", get(RPMTAG_NAME), get(RPMTAG_VERSION), get(RPMTAG_RELEASE));
       headerFree(header);
     }
diff --git a/rpmtools.xs b/rpmtools.xs
index b7621e0..01bbdfd 100644
--- a/rpmtools.xs
+++ b/rpmtools.xs
@@ -146,24 +146,23 @@ get_packages_installed(prefix, packages, lnames)
     int num, i, j, rc, len;
     char *name;
     Header header;
-    
+    rpmdbMatchIterator mi;
+
     if (rpmReadConfigFiles(NULL, NULL) == 0) {
       if (rpmdbOpen(prefix, &db, O_RDONLY, 0644) == 0) {
 	len = av_len(names);
 	for (j = 0; j <= len; ++j) {
 	  isv = av_fetch(names, j, 0);
 	  name = SvPV_nolen(*isv);
-	  rc = rpmdbFindPackage(db, name, &matches);
-	  if (rc == 0) {
-	    count += matches.count;
-	    for (i = 0; i < matches.count; ++i) {
-	      header = rpmdbGetRecord(db, matches.recs[i].recOffset);
-	      info = get_info(header);
+	  mi = rpmdbInitIterator(db, RPMTAG_NAME, name, 0);
+	  count=0;
+          while (header = rpmdbNextIterator(mi)) {
+	    count++;
+	    info = get_info(header);
 
-	      if (info != 0) av_push(pkgs, newRV_noinc((SV*)info));
+	    if (info != 0) av_push(pkgs, newRV_noinc((SV*)info));
 
-	      headerFree(header);
-	    }
+	    headerFree(header);
 	  }
 	}
 	rpmdbClose(db);
@@ -188,18 +187,18 @@ get_all_packages_installed(prefix, packages)
     rpmdb db;
     int num;
     Header header;
+    rpmdbMatchIterator mi;
     
     if (rpmReadConfigFiles(NULL, NULL) == 0) {
       if (rpmdbOpen(prefix, &db, O_RDONLY, 0644) == 0) {
-	num = rpmdbFirstRecNum(db);
-	while (num > 0) {
-	  header = rpmdbGetRecord(db, num);
+	mi = rpmdbInitIterator(db, RPMDBI_PACKAGES, NULL, 0);
+	
+	while (header = rpmdbNextIterator(mi)) {
 	  info = get_info(header);
 
 	  if (info != 0) av_push(pkgs, newRV_noinc((SV*)info));
 
 	  headerFree(header);
-	  num = rpmdbNextRecNum(db, num);
 	  ++count;
 	}
 	rpmdbClose(db);
-- 
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