From 07067f8b958d52699526f4f757bca2714da183f4 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Sun, 27 Nov 2011 20:05:57 +0100
Subject: pcm_buffer: add assertions

---
 src/pcm_buffer.c | 4 ++++
 src/pcm_buffer.h | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/src/pcm_buffer.c b/src/pcm_buffer.c
index 75b76a5d..b0449d44 100644
--- a/src/pcm_buffer.c
+++ b/src/pcm_buffer.c
@@ -32,6 +32,8 @@ align_8k(size_t size)
 void *
 pcm_buffer_get(struct pcm_buffer *buffer, size_t size)
 {
+	assert(buffer != NULL);
+
 	if (buffer->size < size) {
 		/* free the old buffer */
 		g_free(buffer->buffer);
@@ -40,5 +42,7 @@ pcm_buffer_get(struct pcm_buffer *buffer, size_t size)
 		buffer->buffer = g_malloc(buffer->size);
 	}
 
+	assert(buffer->size >= size);
+
 	return buffer->buffer;
 }
diff --git a/src/pcm_buffer.h b/src/pcm_buffer.h
index b1c59740..fe223c74 100644
--- a/src/pcm_buffer.h
+++ b/src/pcm_buffer.h
@@ -22,6 +22,8 @@
 
 #include <glib.h>
 
+#include <assert.h>
+
 /**
  * Manager for a temporary buffer which grows as needed.  We could
  * allocate a new buffer every time pcm_convert() is called, but that
@@ -39,6 +41,8 @@ struct pcm_buffer {
 static inline void
 pcm_buffer_init(struct pcm_buffer *buffer)
 {
+	assert(buffer != NULL);
+
 	buffer->buffer = NULL;
 	buffer->size = 0;
 }
@@ -49,6 +53,8 @@ pcm_buffer_init(struct pcm_buffer *buffer)
 static inline void
 pcm_buffer_deinit(struct pcm_buffer *buffer)
 {
+	assert(buffer != NULL);
+
 	g_free(buffer->buffer);
 
 	buffer->buffer = NULL;
-- 
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