para_write: Make check for wav header work with btr.

[paraslash.git] / buffer_tree.h

diff --git a/buffer_tree.h b/buffer_tree.h
index c84a93058e575ed6a8fdbc79c49160b2d0271985..27f5da2fb9d971c16279a981ef5525372e23f5f6 100644 (file)
--- a/buffer_tree.h
+++ b/buffer_tree.h
@@ -1,10 +1,11 @@
 
 struct btr_node;
 
-typedef int (*btr_command_handler)(const char *command, char **result);
+typedef int (*btr_command_handler)(struct btr_node *btrn,
+               const char *command, char **result);
 
 struct btr_node *btr_new_node(char *name, struct btr_node *parent,
-               btr_command_handler handler);
+               btr_command_handler handler, void *context);
 void btr_del_node(struct btr_node *btrn);
 void btr_add_output(char *buf, size_t size, struct btr_node *btrn);
 bool btr_no_children(struct btr_node *btrn);
@@ -15,3 +16,6 @@ size_t btr_next_buffer(struct btr_node *btrn, char **bufp);
 void btr_consume(struct btr_node *btrn, size_t numbytes);
 int btr_exec(struct btr_node *btrn, const char *command, char **value_result);
 int btr_exec_up(struct btr_node *btrn, const char *command, char **value_result);
+int btr_splice_out_node(struct btr_node *btrn);
+void btr_pushdown(struct btr_node *btrn);
+void *btr_context(struct btr_node *btrn);