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-rw-r--r--libio/fileops.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/libio/fileops.c b/libio/fileops.c
index d3f4831e2d..ce0e2bb524 100644
--- a/libio/fileops.c
+++ b/libio/fileops.c
@@ -47,7 +47,6 @@ extern int errno;
The position in the buffer that corresponds to the position
in external file system is normally _IO_read_end, except in putback
mode, when it is _IO_save_end.
- when it is _IO_save_end.
If the field _fb._offset is >= 0, it gives the offset in
the file as a whole corresponding to eGptr(). (?)
@@ -185,7 +184,7 @@ DEFUN(_IO_file_fopen, (fp, filename, mode),
_IO_mask_flags(fp, read_write,_IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING);
if (read_write & _IO_IS_APPENDING)
if (_IO_SEEKOFF (fp, (_IO_off_t)0, _IO_seek_end, _IOS_INPUT|_IOS_OUTPUT)
- == _IO_pos_BAD)
+ == _IO_pos_BAD && errno != ESPIPE)
return NULL;
_IO_link_in(fp);
return fp;
@@ -200,7 +199,12 @@ DEFUN(_IO_file_attach, (fp, fd),
fp->_fileno = fd;
fp->_flags &= ~(_IO_NO_READS+_IO_NO_WRITES);
fp->_flags |= _IO_DELETE_DONT_CLOSE;
+ /* Get the current position of the file. */
+ /* We have to do that since that may be junk. */
fp->_offset = _IO_pos_BAD;
+ if (_IO_SEEKOFF (fp, (_IO_off_t)0, _IO_seek_cur, _IOS_INPUT|_IOS_OUTPUT)
+ == _IO_pos_BAD && errno != ESPIPE)
+ return NULL;
return fp;
}