From 6389bbbf58d07615b778d3a0ed98d2afe7e39546 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Mon, 6 Apr 2009 09:52:21 +0200
Subject: [PATCH] Changed freshly introduced iso_file_get_external_filter() to
 iso_stream_get_external_filter().

---
 libisofs/filters/external.c |  6 ++----
 libisofs/libisofs.h         | 17 +++++++++--------
 2 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/libisofs/filters/external.c b/libisofs/filters/external.c
index 79c3266..0821668 100644
--- a/libisofs/filters/external.c
+++ b/libisofs/filters/external.c
@@ -757,13 +757,11 @@ int iso_file_add_external_filter(IsoFile *file, IsoExternalFilterCommand *cmd,
 }
 
 
-int iso_file_get_external_filter(IsoFile *file, IsoExternalFilterCommand **cmd,
-                                 int flag)
+int iso_stream_get_external_filter(IsoStream *stream,
+                                   IsoExternalFilterCommand **cmd, int flag)
 {
-    IsoStream *stream;
     ExternalFilterStreamData *data;
 
-    stream = iso_file_get_stream(file);
     if (stream->class != &extf_stream_class)
         return 0;
     data = stream->data;
diff --git a/libisofs/libisofs.h b/libisofs/libisofs.h
index 421339e..6069ec4 100644
--- a/libisofs/libisofs.h
+++ b/libisofs/libisofs.h
@@ -4743,7 +4743,7 @@ struct iso_external_filter_command
      *       not smaller than the number of input blocks. Block size is 2048.
      *       Assume that non-empty input yields non-empty output and thus do
      *       not attempt to attach a filter to files smaller than 2049 bytes.
-     * bit3= suffix was removed rather than to be added.
+     * bit3= suffix removed rather than added.
      *       (Removal and adding suffixes is the task of the application.
      *        This behavior bit serves only as reminder for the application.)
      */
@@ -4811,23 +4811,24 @@ int iso_file_remove_filter(IsoFile *file, int flag);
 
 /* ts A90402 */
 /**
- * Obtain the IsoExternalFilterCommand which is associated with the top filter
- * stream from a data file.
- * @param file
- *      The data file node which shall show filtered content.
+ * Obtain the IsoExternalFilterCommand which is eventually associated with the
+ * given stream. (Typically obtained from an IsoFile by iso_file_get_stream()
+ * or from an IsoStream by iso_stream_get_input_stream()).
+ * @param stream
+ *      The stream to be inquired.
  * @param cmd
  *      Will return the external IsoExternalFilterCommand. This does not
  *      increment .refcount.
  * @param flag
  *      Bitfield for control purposes, unused yet, submit 0.
  * @return
- *      1 on success, 0 if the top stream of the file is not an external filter
+ *      1 on success, 0 if the stream is not an external filter
  *      <0 on error
  *
  * @since 0.6.18
  */
-int iso_file_get_external_filter(IsoFile *file, IsoExternalFilterCommand **cmd,
-                                 int flag);
+int iso_stream_get_external_filter(IsoStream *stream,
+                                   IsoExternalFilterCommand **cmd, int flag);
 
 
 /* ------------------------------------------------------------------------- */