blob: add blob_buf_grow()

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/blob.h b/blob.h
index 557899d..d78115f 100644
--- a/blob.h
+++ b/blob.h
@@ -238,6 +238,7 @@ extern void blob_set_raw_len(struct blob_attr *attr, unsigned int len);
 extern bool blob_attr_equal(const struct blob_attr *a1, const struct blob_attr *a2);
 extern int blob_buf_init(struct blob_buf *buf, int id);
 extern void blob_buf_free(struct blob_buf *buf);
+extern void blob_buf_grow(struct blob_buf *buf, int required);
 extern struct blob_attr *blob_new(struct blob_buf *buf, int id, int payload);
 extern void *blob_nest_start(struct blob_buf *buf, int id);
 extern void blob_nest_end(struct blob_buf *buf, void *cookie);