if (!attr)
return NULL;
+ attr->id_len |= be32_to_cpu(BLOB_ATTR_EXTENDED);
hdr = blob_data(attr);
hdr->namelen = cpu_to_be16(namelen);
strcpy((char *) hdr->name, (const char *)name);
static inline int
attr_to_offset(struct blob_buf *buf, struct blob_attr *attr)
{
- return (char *)attr - (char *) buf->buf;
+ return (char *)attr - (char *) buf->buf + BLOB_COOKIE;
}
void *
blobmsg_open_nested(struct blob_buf *buf, const char *name, bool array)
{
- struct blob_attr *head = buf->head;
+ struct blob_attr *head;
int type = array ? BLOBMSG_TYPE_ARRAY : BLOBMSG_TYPE_TABLE;
unsigned long offset = attr_to_offset(buf, buf->head);
void *data;
return (void *)offset;
}
+void
+blobmsg_vprintf(struct blob_buf *buf, const char *name, const char *format, va_list arg)
+{
+ va_list arg2;
+ char cbuf;
+ int len;
+
+ va_copy(arg2, arg);
+ len = vsnprintf(&cbuf, sizeof(cbuf), format, arg2);
+ va_end(arg2);
+
+ vsprintf(blobmsg_alloc_string_buffer(buf, name, len + 1), format, arg);
+ blobmsg_add_string_buffer(buf);
+}
+
+void
+blobmsg_printf(struct blob_buf *buf, const char *name, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ blobmsg_vprintf(buf, name, format, ap);
+ va_end(ap);
+}
+
void *
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) - BLOB_COOKIE;
+ 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)
{