/* setlinebuf.c - line-buffer a stdio stream. *//* Copyright (C) 1997 Free Software Foundation, Inc.   This file is part of GNU Bash, the Bourne Again SHell.   Bash is free software; you can redistribute it and/or modify it under   the terms of the GNU General Public License as published by the Free   Software Foundation; either version 2, or (at your option) any later   version.   Bash is distributed in the hope that it will be useful, but WITHOUT ANY   WARRANTY; without even the implied warranty of MERCHANTABILITY or   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License   for more details.   You should have received a copy of the GNU General Public License along   with Bash; see the file COPYING.  If not, write to the Free Software   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA */#include <config.h>#include <stdio.h>extern char *xmalloc();#if defined (USING_BASH_MALLOC)#  define LBUF_BUFSIZE	1008#else#  define LBUF_BUFSIZE	BUFSIZ#endif/* Cause STREAM to buffer lines as opposed to characters or blocks. */intsh_setlinebuf (stream)     FILE *stream;{  char *local_linebuf;#if !defined (HAVE_SETLINEBUF) && !defined (HAVE_SETVBUF)  return (0);#endif#if defined (USING_BASH_MALLOC)  local_linebuf = xmalloc (LBUF_BUFSIZE);#else  local_linebuf = (char *)NULL;#endif#if defined (HAVE_SETVBUF)#  if defined (SETVBUF_REVERSED)  return (setvbuf (stream, _IOLBF, local_linebuf, LBUF_BUFSIZE));#  else /* !SETVBUF_REVERSED */  return (setvbuf (stream, local_linebuf, _IOLBF, LBUF_BUFSIZE));#  endif /* !SETVBUF_REVERSED */# else /* !HAVE_SETVBUF */  setlinebuf (stream));  return (0);#endif /* !HAVE_SETVBUF */}