From 8d870db811ef4f120d7df3b3f50243b47d94da2f Mon Sep 17 00:00:00 2001
From: Jelmer Vernooij <jelmer@samba.org>
Date: Thu, 23 Nov 2006 16:02:20 +0000
Subject: r19859: Reuse referrent ids when pushing full pointers (still need to
 avoid pushing the referred object twice) and add test for full pointers.
 (This used to be commit 1638c8d234dbc85298000685e49570f23dfd0bf8)

---
 source4/librpc/ndr/libndr.h       |  1 +
 source4/librpc/ndr/ndr_basic.c    |  9 +++++++--
 source4/pidl/tests/Util.pm        |  4 ++--
 source4/pidl/tests/ndr_fullptr.pl | 41 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 51 insertions(+), 4 deletions(-)
 create mode 100755 source4/pidl/tests/ndr_fullptr.pl

diff --git a/source4/librpc/ndr/libndr.h b/source4/librpc/ndr/libndr.h
index 1076936c1d..fb151e4120 100644
--- a/source4/librpc/ndr/libndr.h
+++ b/source4/librpc/ndr/libndr.h
@@ -88,6 +88,7 @@ struct ndr_push {
 	struct ndr_token_list *switch_list;
 	struct ndr_token_list *relative_list;
 	struct ndr_token_list *nbt_string_list;
+	struct ndr_token_list *full_ptr_list;
 
 	/* this is used to ensure we generate unique reference IDs */
 	uint32_t ptr_count;
diff --git a/source4/librpc/ndr/ndr_basic.c b/source4/librpc/ndr/ndr_basic.c
index b8f2a8115f..a9cfb558f7 100644
--- a/source4/librpc/ndr/ndr_basic.c
+++ b/source4/librpc/ndr/ndr_basic.c
@@ -485,8 +485,13 @@ _PUBLIC_ NTSTATUS ndr_push_full_ptr(struct ndr_push *ndr, const void *p)
 {
 	uint32_t ptr = 0;
 	if (p) {
-		ndr->ptr_count++;
-		ptr = ndr->ptr_count;
+		/* Check if the pointer already exists and has an id */
+		ptr = ndr_token_peek(&ndr->full_ptr_list, p);
+		if (ptr == 0) {
+			ndr->ptr_count++;
+			ptr = ndr->ptr_count;
+			ndr_token_store(ndr, &ndr->full_ptr_list, p, ptr);
+		}
 	}
 	return ndr_push_uint32(ndr, NDR_SCALARS, ptr);
 }
diff --git a/source4/pidl/tests/Util.pm b/source4/pidl/tests/Util.pm
index ccac1a6d7e..e0d87b2dac 100644
--- a/source4/pidl/tests/Util.pm
+++ b/source4/pidl/tests/Util.pm
@@ -35,7 +35,7 @@ sub test_samba4_ndr
 SKIP: {
 
 	skip "no samba environment available, skipping compilation", 3 
-		if (system("pkg-config --exists dcerpc ndr") != 0);
+		if (system("pkg-config --exists ndr") != 0);
 
 	my $test_data_prefix = $ENV{TEST_DATA_PREFIX};
 
@@ -46,7 +46,7 @@ SKIP: {
 		$outfile = "test-$name";
 	}
 
-	my $cflags = `pkg-config --libs --cflags dcerpc ndr`;
+	my $cflags = `pkg-config --libs --cflags ndr`;
 
 	open CC, "|cc -x c - -o $outfile $cflags";
 	print CC "#define uint_t unsigned int\n";
diff --git a/source4/pidl/tests/ndr_fullptr.pl b/source4/pidl/tests/ndr_fullptr.pl
new file mode 100755
index 0000000000..d9f2cd6b02
--- /dev/null
+++ b/source4/pidl/tests/ndr_fullptr.pl
@@ -0,0 +1,41 @@
+#!/usr/bin/perl
+# Simple tests for unique pointers
+# (C) 2006 Jelmer Vernooij <jelmer@samba.org>.
+# Published under the GNU General Public License.
+use strict;
+
+use Test::More tests => 1 * 8;
+use FindBin qw($RealBin);
+use lib "$RealBin/../lib";
+use lib "$RealBin";
+use Util qw(test_samba4_ndr);
+
+test_samba4_ndr("fullptr-push-dup", 
+'	
+	[public] uint16 echo_TestFull([in,ptr] uint32 *x, [in,ptr] uint32 *y);
+',
+'
+	struct ndr_push *ndr = ndr_push_init();
+	uint32_t v = 13;
+	struct echo_TestRef r;
+	r.in.x = &v; 
+	r.in.y = &v; 
+
+	if (NT_STATUS_IS_ERR(ndr_push_echo_TestRef(ndr, NDR_IN, &r))) {
+		fprintf(stderr, "push failed\n");
+		return 1;
+	}
+
+	if (ndr->offset != 12) {
+		fprintf(stderr, "Offset(%d) != 12\n", ndr->offset);
+		return 2;
+	}
+
+	if (ndr->data[0] != ndr->data[8] || 
+	    ndr->data[1] != ndr->data[9] ||
+		ndr->data[2] != ndr->data[10] ||
+		ndr->data[3] != ndr->data[11]) {
+		fprintf(stderr, "Data incorrect\n");
+		return 3;
+	}
+');
-- 
cgit