# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1715379059 -7200
# Node ID 2c83535db1dbccb54a82f44edf6e561113e501cb
# Parent  d4e8b3067e6bd335a00708cd2cec7ce72a5ecc9f
Employ the same property calculations with pipes as with files.

diff -r d4e8b3067e6b -r 2c83535db1db libfsclient/lib/src/file.cc
--- a/libfsclient/lib/src/file.cc	Fri May 10 22:09:15 2024 +0200
+++ b/libfsclient/lib/src/file.cc	Sat May 11 00:10:59 2024 +0200
@@ -683,12 +683,12 @@
 {
   client_Pipe _pipe(pipe->ref);
   offset_t data_current;
-  long err = _pipe.current_region(&data_current, &pipe->data_end, &pipe->size);
+  long err = _pipe.current_region(&data_current, &pipe->size, &pipe->end_pos);
 
   if (err)
     return err;
 
-  pipe->end_pos = pipe->size;
+  _update_extent(pipe);
 
   /* Obtain the current position if synchronising position state. */
 
@@ -713,23 +713,26 @@
 }
 
 /* Access the next region for a pipe endpoint, updating the eventual size of
-   the current region. */
+   the current region if writing. */
 
 long pipe_next(file_t *pipe)
 {
   client_Pipe _pipe(pipe->ref);
-  long err = _pipe.next_region(&pipe->data_end, &pipe->size);
+  offset_t size = pipe->data_current;
+  long err = _pipe.next_region(&size, &pipe->end_pos);
 
   if (err)
     return err;
 
+  pipe->size = size;
+  _update_extent(pipe);
+
   if (pipe->memory != NULL)
     err = ipc_detach_dataspace(pipe->memory);
 
   if (err)
     return err;
 
-  pipe->end_pos = pipe->size;
   pipe->data_current = 0;
   pipe->memory = NULL;