1 files changed, 52 insertions, 0 deletions
diff --git a/examples/alsa_timed_audio/stack.c b/examples/alsa_timed_audio/stack.c
new file mode 100644
index 00000000..bff41a74
--- /dev/null
+++ b/examples/alsa_timed_audio/stack.c
@@ -0,0 +1,52 @@
+/******************************************************************************
+
+  Copyright (c) 2018, Intel Corporation
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+   1. Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+
+   2. Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+   3. Neither the name of the Intel Corporation nor the names of its
+      contributors may be used to endorse or promote products derived from
+      this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+  POSSIBILITY OF SUCH DAMAGE.
+
+******************************************************************************/
+
+#include <stack.h>
+#include <stdlib.h>
+
+stack_element_t *
+pop( stack_t stack )
+{
+	linked_list_element_t tmp;
+	linked_list_element_t *ret = NULL;
+
+	if( !ll_is_valid( stack ))
+		return NULL;
+	tmp = ll_get_head( stack );
+	if( tmp != NULL ) {
+		ll_remove_head( stack );
+		ret = ll_get_addr( tmp );
+	}
+
+	return ret;
+}