1 /* setlinebuf.c - line-buffer a stdio stream. */
3 /* Copyright (C) 1997 Free Software Foundation, Inc.
5 This file is part of GNU Bash, the Bourne Again SHell.
7 Bash is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Bash is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License along
18 with Bash; see the file COPYING. If not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA */
27 #if defined (USING_BASH_MALLOC)
28 # define LBUF_BUFSIZE 1008
30 # define LBUF_BUFSIZE BUFSIZ
33 /* Cause STREAM to buffer lines as opposed to characters or blocks. */
35 sh_setlinebuf (stream)
40 #if !defined (HAVE_SETLINEBUF) && !defined (HAVE_SETVBUF)
44 #if defined (USING_BASH_MALLOC)
45 local_linebuf = (char *)xmalloc (LBUF_BUFSIZE);
47 local_linebuf = (char *)NULL;
50 #if defined (HAVE_SETVBUF)
52 # if defined (SETVBUF_REVERSED)
53 return (setvbuf (stream, _IOLBF, local_linebuf, LBUF_BUFSIZE));
54 # else /* !SETVBUF_REVERSED */
55 return (setvbuf (stream, local_linebuf, _IOLBF, LBUF_BUFSIZE));
56 # endif /* !SETVBUF_REVERSED */
57 # else /* !HAVE_SETVBUF */
62 #endif /* !HAVE_SETVBUF */