base64: integrate with buffers.

* filter.c (base64_encode): Handle an object of either string
or buffer type by using make_byte_input_stream.
(base64_decode_buf): New function.
(filter_init): Register base64-decode-buf intrinsic.

* filter.h (base64_decode_buf): Declared.

* stream.c (make_byte_input_stream): New function.

* stream.h (make_byte_input_stream): Declared.

* txr.1: Updated.

1 files changed, 1 insertions, 0 deletions

diff --git a/stream.h b/stream.h
index cba0330a..2887b305 100644
--- a/stream.h
+++ b/stream.h
@@ -239,5 +239,6 @@ val pure_rel_path_p(val path);
 val base_name(val path);
 val dir_name(val path);
 val path_cat(val dir_name, val base_name);
+val make_byte_input_stream(val obj);
 
 void stream_init(void);