Update.

1998-10-23  Ulrich Drepper  <drepper@cygnus.com>

	* libio/genops.c (_IO_seekmark): When switching to backup buffer
	make sure all characters from the read buffer are read after
	switching back to it.

diff --git a/ChangeLog b/ChangeLog
index 6eab21a..a2f3c66 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+1998-10-23  Ulrich Drepper  <drepper@cygnus.com>
+
+       * libio/genops.c (_IO_seekmark): When switching to backup buffer
+       make sure all characters from the read buffer are read after
+       switching back to it.
+
 1998-10-22  Ulrich Drepper  <drepper@cygnus.com>
 
        * configure.in: Add support for Cygnus GNUPro compilers.

diff --git a/libio/genops.c b/libio/genops.c
index c75be62..b1ccb28 100644 (file)
--- a/libio/genops.c
+++ b/libio/genops.c
@@ -94,7 +94,7 @@ _IO_switch_to_main_get_area (fp)
   tmp = fp->_IO_read_base;
   fp->_IO_read_base = fp->_IO_save_base;
   fp->_IO_save_base = tmp;
-  /* Swap _IO_read_base and _IO_save_ptr. */
+  /* Swap _IO_read_ptr and _IO_save_ptr. */
   tmp = fp->_IO_read_ptr;
   fp->_IO_read_ptr = fp->_IO_save_ptr;
   fp->_IO_save_ptr = tmp;
@@ -817,7 +817,10 @@ _IO_seekmark (fp, mark, delta)
   else
     {
       if (!_IO_in_backup (fp))
-       _IO_switch_to_backup_area (fp);
+       {
+         fp->_IO_read_ptr = fp->_IO_read_base;
+         _IO_switch_to_backup_area (fp);
+       }
       fp->_IO_read_ptr = fp->_IO_read_end + mark->_pos;
     }
   return 0;