diff options
-rw-r--r-- | blobmsg.c | 17 | ||||
-rw-r--r-- | blobmsg.h | 1 |
2 files changed, 18 insertions, 0 deletions
@@ -233,6 +233,23 @@ blobmsg_alloc_string_buffer(struct blob_buf *buf, const char *name, int maxlen) return data_dest; } +void * +blobmsg_realloc_string_buffer(struct blob_buf *buf, int maxlen) +{ + struct blob_attr *attr = blob_next(buf->head); + int offset = attr_to_offset(buf, blob_next(buf->head)) + blob_pad_len(attr); + int required = maxlen - (buf->buflen - offset); + + if (required <= 0) + goto out; + + blob_buf_grow(buf, required); + attr = blob_next(buf->head); + +out: + return blobmsg_data(attr); +} + void blobmsg_add_string_buffer(struct blob_buf *buf) { @@ -192,6 +192,7 @@ static inline char *blobmsg_get_string(struct blob_attr *attr) } void *blobmsg_alloc_string_buffer(struct blob_buf *buf, const char *name, int maxlen); +void *blobmsg_realloc_string_buffer(struct blob_buf *buf, int maxlen); void blobmsg_add_string_buffer(struct blob_buf *buf); /* blobmsg to json formatting */ |