Output number of characters added to file (Bug#354)

* fileio.c (write_region):
* epa-file.el (epa-file-write-region):
* jka-compr.el (jka-compr-write-region):
* ange-ftp.el (ange-ftp-write-region):
* tramp-gvfs.el (tramp-gvfs-handle-write-region):
* tramp-sh.el (tramp-sh-handle-write-region):
* mm-util.el (mm-append-to-file): Functions now output
characters written in addition to file name.
* files.texi: Added documentation to write-region and
append-to-file describing their output.

1 files changed, 10 insertions, 7 deletions

diff --git a/src/fileio.c b/src/fileio.c
index acbf76e0d81..0fc52294011 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -5150,13 +5150,16 @@ write_region (Lisp_Object start, Lisp_Object end, Lisp_Object filename,
     }
 
   if (!auto_saving && !noninteractive)
-    message_with_string ((NUMBERP (append)
-                          ? "Updated %s"
-                          : ! NILP (append)
-                          ? "Added to %s"
-                          : "Wrote %s"),
-                         visit_file, 1);
-
+    {
+      AUTO_STRING (format, NUMBERP (append)
+                   ? "Updated %d characters of `%s'"
+                   : ! NILP (append)
+                   ? "Added %d characters to `%s'"
+                   : "Wrote %d characters to `%s'");
+      CALLN (Fmessage, format,
+             make_number (XINT (end) - XINT (start)),
+             visit_file);
+    }
   return Qnil;
 }