From 9c1ceb20500de7936163ca22d307dc227fa16e80 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Sun, 23 Nov 2003 23:38:02 +0000
Subject: [PATCH] reference count krb5_get_init_creds_opt private component to
 avoid copy all the data in it

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@13136 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/krb5/init_creds.c | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/lib/krb5/init_creds.c b/lib/krb5/init_creds.c
index 21c04889b..9129e06dc 100644
--- a/lib/krb5/init_creds.c
+++ b/lib/krb5/init_creds.c
@@ -62,6 +62,7 @@ krb5_get_init_creds_opt_alloc(krb5_context context,
 	free(o);
 	return ENOMEM;
     }
+    o->private->refcount = 1;
     *opt = o;
     return 0;
 }
@@ -71,19 +72,16 @@ _krb5_get_init_creds_opt_copy(krb5_context context,
 			      const krb5_get_init_creds_opt *in,
 			      krb5_get_init_creds_opt **out)
 {
-    struct _krb5_get_init_creds_opt_private *private;
     krb5_get_init_creds_opt *opt;
-    krb5_error_code ret;
 
-    ret = krb5_get_init_creds_opt_alloc(context, &opt);
-    if (ret)
-	return ret;
-    
-    private = opt->private;
+    *out = NULL;
+    opt = malloc(sizeof(*opt));
+    if (opt == NULL) {
+	krb5_set_error_string(context, "out of memory");
+	return ENOMEM;
+    }
     *opt = *in;
-    opt->private = private;
-    if (in->private)
-	*opt->private = *in->private;
+    opt->private->refcount++;
     *out = opt;
     return 0;
 }
@@ -93,8 +91,12 @@ krb5_get_init_creds_opt_free(krb5_get_init_creds_opt *opt)
 {
     if (opt->private == NULL)
 	return;
-    free(opt->private);
-    opt->private = NULL;
+    if (opt->private->refcount < 1) /* abort ? */
+	return;
+    if (--opt->private->refcount == 0) {
+	krb5_get_init_creds_opt_free_pkinit(opt);
+	free(opt->private);
+    }
     memset(opt, 0, sizeof(*opt));
     free(opt);
 }