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-rw-r--r--libio/fileops.c4
-rw-r--r--libio/genops.c2
-rw-r--r--libio/ioftell.c4
-rw-r--r--libio/iogetline.c4
-rw-r--r--libio/iogetwline.c2
5 files changed, 10 insertions, 6 deletions
diff --git a/libio/fileops.c b/libio/fileops.c
index a830b5cd43..9f550dd70d 100644
--- a/libio/fileops.c
+++ b/libio/fileops.c
@@ -411,7 +411,7 @@ new_do_write (fp, data, to_do)
     fp->_cur_column = _IO_adjust_column (fp->_cur_column - 1, data, count) + 1;
   _IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base, fp->_IO_buf_base);
   fp->_IO_write_base = fp->_IO_write_ptr = fp->_IO_buf_base;
-  fp->_IO_write_end = (fp->_mode < 0
+  fp->_IO_write_end = (fp->_mode <= 0
 		       && (fp->_flags & (_IO_LINE_BUF+_IO_UNBUFFERED))
 		       ? fp->_IO_buf_base : fp->_IO_buf_end);
   return count;
@@ -516,7 +516,7 @@ _IO_new_file_overflow (f, ch)
       f->_IO_read_base = f->_IO_read_ptr = f->_IO_read_end;
 
       f->_flags |= _IO_CURRENTLY_PUTTING;
-      if (f->_mode < 0 && f->_flags & (_IO_LINE_BUF+_IO_UNBUFFERED))
+      if (f->_mode <= 0 && f->_flags & (_IO_LINE_BUF+_IO_UNBUFFERED))
 	f->_IO_write_end = f->_IO_write_ptr;
     }
   if (ch == EOF)
diff --git a/libio/genops.c b/libio/genops.c
index b1ae5afc50..768996f8b4 100644
--- a/libio/genops.c
+++ b/libio/genops.c
@@ -754,7 +754,7 @@ _IO_flush_all ()
   int result = 0;
   struct _IO_FILE *fp;
   for (fp = (_IO_FILE *) _IO_list_all; fp; fp = fp->_chain)
-    if (((fp->_mode < 0 && fp->_IO_write_ptr > fp->_IO_write_base)
+    if (((fp->_mode <= 0 && fp->_IO_write_ptr > fp->_IO_write_base)
 #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
 	 || (fp->_vtable_offset == 0
 	     && fp->_mode > 0 && (fp->_wide_data->_IO_write_ptr
diff --git a/libio/ioftell.c b/libio/ioftell.c
index e8b6c7a444..fa43b489ec 100644
--- a/libio/ioftell.c
+++ b/libio/ioftell.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 95, 96, 97, 98, 99 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
    This file is part of the GNU IO Library.
 
    This library is free software; you can redistribute it and/or
@@ -39,7 +39,7 @@ _IO_ftell (fp)
   pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
   if (_IO_in_backup (fp))
     {
-      if (fp->_vtable_offset != 0 || fp->_mode < 0)
+      if (fp->_vtable_offset != 0 || fp->_mode <= 0)
 	pos -= fp->_IO_save_end - fp->_IO_save_base;
       else
 	/* XXX For now.  */
diff --git a/libio/iogetline.c b/libio/iogetline.c
index 9a5f691031..dbea76ffcb 100644
--- a/libio/iogetline.c
+++ b/libio/iogetline.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1997, 1998, 2000 Free Software Foundation, Inc.
    This file is part of the GNU IO Library.
 
    This library is free software; you can redistribute it and/or
@@ -59,6 +59,8 @@ _IO_getline_info (fp, buf, n, delim, extract_delim, eof)
   char *ptr = buf;
   if (eof != NULL)
     *eof = 0;
+  if (__builtin_expect (fp->_mode, -1) == 0)
+    _IO_fwide (fp, -1);
   while (n != 0)
     {
       _IO_ssize_t len = fp->_IO_read_end - fp->_IO_read_ptr;
diff --git a/libio/iogetwline.c b/libio/iogetwline.c
index 2d9eca0edc..2559cd8eb6 100644
--- a/libio/iogetwline.c
+++ b/libio/iogetwline.c
@@ -64,6 +64,8 @@ _IO_getwline_info (fp, buf, n, delim, extract_delim, eof)
   wchar_t *ptr = buf;
   if (eof != NULL)
     *eof = 0;
+  if (__builtin_expect (fp->_mode, 1) == 0)
+    _IO_fwide (fp, 1);
   while (n != 0)
     {
       _IO_ssize_t len = (fp->_wide_data->_IO_read_end