buffer: add offset field

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>

2 files changed, 4 insertions, 0 deletions

diff --git a/pn_buffer.c b/pn_buffer.c
index 7b3310f..df67405 100644
--- a/pn_buffer.c
+++ b/pn_buffer.c
@@ -24,6 +24,8 @@ pn_buffer_new_and_alloc(size_t size)
 	buffer->data = buffer->alloc_data = g_malloc(size);
 	buffer->size = size;
 	buffer->len = 0;
+	buffer->offset = 0;
+
 	return buffer;
 }
 
@@ -36,6 +38,7 @@ pn_buffer_new_memdup(const void *data,
 	buffer = g_malloc(sizeof(*buffer));
 	buffer->size = buffer->len = size;
 	buffer->data = buffer->alloc_data = g_memdup(data, size);
+	buffer->offset = 0;
 
 	return buffer;
 }
diff --git a/pn_buffer.h b/pn_buffer.h
index f900e7f..4dd1962 100644
--- a/pn_buffer.h
+++ b/pn_buffer.h
@@ -8,6 +8,7 @@ struct pn_buffer {
 	void *alloc_data;
 	size_t size;
 	size_t len;
+	size_t offset;
 };
 
 struct pn_buffer *pn_buffer_new(void);