diff options
Diffstat (limited to 'libio/fileops.c')
| -rw-r--r-- | libio/fileops.c | 8 |
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; } |