Adding a null buffer, for platforms on which buffer.c won't

compile/work.  Just uncomment the line in Makefile.am for now;
autoconf magic might come later.

svn path=/trunk/vorbis-tools/; revision=1398

ogg123/Makefile.am

@@ -14,7 +14,8 @@ ogg123_LDADD = @VORBISFILE_LIBS@ @VORBIS_LIBS@ @OGG_LIBS@ @AO_LIBS@ \
 		@SOCKET_LIBS@
 
 ogg123_SOURCES = ogg123.c ao_interface.c buffer.c ogg123.h buffer.h getopt.c getopt1.c getopt.h
-
+## Comment the above and uncomment the next line to disable the buffer support
+##ogg123_SOURCES = ogg123.c ao_interface.c nullbuffer.c ogg123.h buffer.h getopt.c getopt1.c getopt.h
 
 EXTRA_DIST = $(man_MANS) $(doc_DATA)
 

ogg123/nullbuffer.c

+/* Link this with ogg123 and the buffer support will be disabled. */
+#include "ogg123.h"
+#include "buffer.h"
+
+buf_t *fork_writer (long size, devices_t *d)
+{
+  fprintf (stderr, "This ogg123 was not compiled with buffer support.\n");
+  return NULL;
+}
+
+void submit_chunk (buf_t *buf, chunk_t chunk)
+{
+  fprintf (stderr, "Error: internal error in submit_chunk: no buffer support.\n");
+}
+
+void buffer_shutdown (buf_t *buf)
+{
+  fprintf (stderr, "Error: internal error in buffer_shutdown: no buffer support.\n");
+}