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-rw-r--r--libio/iofopncook.c48
1 files changed, 28 insertions, 20 deletions
diff --git a/libio/iofopncook.c b/libio/iofopncook.c
index 7b76826031..56f2239764 100644
--- a/libio/iofopncook.c
+++ b/libio/iofopncook.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1995, 1997, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1993,95,97,99,2000 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@@ -74,10 +74,9 @@ _IO_cookie_seek (fp, offset, dir)
{
struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp;
- if (cfile->__io_functions.seek == NULL)
- return _IO_pos_BAD;
-
- return cfile->__io_functions.seek (cfile->__cookie, offset, dir);
+ return ((cfile->__io_functions.seek == NULL
+ || cfile->__io_functions.seek (cfile->__cookie, &offset, dir))
+ ? _IO_pos_BAD : offset);
}
static int
@@ -117,6 +116,29 @@ static struct _IO_jump_t _IO_cookie_jumps = {
};
+void
+_IO_cookie_init (struct _IO_cookie_file *cfile, int read_write,
+ void *cookie, _IO_cookie_io_functions_t io_functions)
+{
+ _IO_init (&cfile->__file, 0);
+ _IO_JUMPS (&cfile->__file) = &_IO_cookie_jumps;
+
+ cfile->__cookie = cookie;
+ cfile->__io_functions = io_functions;
+
+ _IO_file_init(&cfile->__file);
+
+ cfile->__file._IO_file_flags =
+ _IO_mask_flags (&cfile->__file, read_write,
+ _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING);
+
+ /* We use a negative number different from -1 for _fileno to mark that
+ this special stream is not associated with a real file, but still has
+ to be treated as such. */
+ cfile->__file._fileno = -2;
+}
+
+
_IO_FILE *
fopencookie (cookie, mode, io_functions)
void *cookie;
@@ -156,21 +178,7 @@ fopencookie (cookie, mode, io_functions)
new_f->cfile.__file._lock = &new_f->lock;
#endif
- _IO_init (&new_f->cfile.__file, 0);
- _IO_JUMPS (&new_f->cfile.__file) = &_IO_cookie_jumps;
- new_f->cfile.__cookie = cookie;
- new_f->cfile.__io_functions = io_functions;
-
- _IO_file_init(&new_f->cfile.__file);
-
- new_f->cfile.__file._IO_file_flags =
- _IO_mask_flags (&new_f->cfile.__file, read_write,
- _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING);
-
- /* We use a negative number different from -1 for _fileno to mark that
- this special stream is not associated with a real file, but still has
- to be treated as such. */
- new_f->cfile.__file._fileno = -2;
+ _IO_cookie_init (&new_f->cfile, read_write, cookie, io_functions);
return &new_f->cfile.__file;
}