[vty] Allow to create a buffer in a given context.
Stop using the global vty context for all allocations
and allow to embed the buffer into a given context, and
allocate sub buffers with the context of its parent.
diff --git a/openbsc/include/vty/buffer.h b/openbsc/include/vty/buffer.h
index 3151940..c9467a9 100644
--- a/openbsc/include/vty/buffer.h
+++ b/openbsc/include/vty/buffer.h
@@ -28,7 +28,7 @@
/* Create a new buffer. Memory will be allocated in chunks of the given
size. If the argument is 0, the library will supply a reasonable
default size suitable for buffering socket I/O. */
-struct buffer *buffer_new(size_t);
+struct buffer *buffer_new(void *ctx, size_t);
/* Free all data in the buffer. */
void buffer_reset(struct buffer *);
diff --git a/openbsc/src/vty/buffer.c b/openbsc/src/vty/buffer.c
index 195d062..0bc1760 100644
--- a/openbsc/src/vty/buffer.c
+++ b/openbsc/src/vty/buffer.c
@@ -65,11 +65,11 @@
#define BUFFER_DATA_FREE(D) talloc_free((D))
/* Make new buffer. */
-struct buffer *buffer_new(size_t size)
+struct buffer *buffer_new(void *ctx, size_t size)
{
struct buffer *b;
- b = talloc_zero(tall_vty_ctx, struct buffer);
+ b = talloc_zero(ctx, struct buffer);
if (size)
b->size = size;
@@ -138,7 +138,7 @@
{
struct buffer_data *d;
- d = _talloc_zero(tall_vty_ctx,
+ d = _talloc_zero(b,
offsetof(struct buffer_data, data[b->size]),
"buffer_add");
if (!d)
diff --git a/openbsc/src/vty/vty.c b/openbsc/src/vty/vty.c
index 8455b0e..5e49024 100644
--- a/openbsc/src/vty/vty.c
+++ b/openbsc/src/vty/vty.c
@@ -51,7 +51,7 @@
if (!new)
goto out;
- new->obuf = buffer_new(0); /* Use default buffer size. */
+ new->obuf = buffer_new(new, 0); /* Use default buffer size. */
if (!new->obuf)
goto out_new;
new->buf = _talloc_zero(new, VTY_BUFSIZ, "vty_new->buf");
diff --git a/openbsc/src/vty_interface_layer3.c b/openbsc/src/vty_interface_layer3.c
index 5e30982..fee5bae 100644
--- a/openbsc/src/vty_interface_layer3.c
+++ b/openbsc/src/vty_interface_layer3.c
@@ -58,7 +58,7 @@
static struct buffer *argv_to_buffer(int argc, const char *argv[], int base)
{
- struct buffer *b = buffer_new(1024);
+ struct buffer *b = buffer_new(NULL, 1024);
int i;
if (!b)