mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-25 02:58:54 +08:00
72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/* dribble.c -- Dribble files for Info. */
|
|
|
|
/* This file is part of GNU Info, a program for reading online documentation
|
|
stored in Info format.
|
|
|
|
Copyright (C) 1993 Free Software Foundation, Inc.
|
|
|
|
This program 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.
|
|
|
|
This program 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 this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
Written by Brian Fox (bfox@ai.mit.edu). */
|
|
|
|
#include "info.h"
|
|
#include "dribble.h"
|
|
|
|
/* When non-zero, it is a stream to write all input characters to for the
|
|
duration of this info session. */
|
|
FILE *info_dribble_file = (FILE *)NULL;
|
|
|
|
/* Open a dribble file named NAME, perhaps closing an already open one.
|
|
This sets the global variable INFO_DRIBBLE_FILE to the open stream. */
|
|
void
|
|
open_dribble_file (name)
|
|
char *name;
|
|
{
|
|
/* Perhaps close existing dribble file. */
|
|
close_dribble_file ();
|
|
|
|
info_dribble_file = fopen (name, "w");
|
|
|
|
#if defined (HAVE_SETVBUF)
|
|
if (info_dribble_file)
|
|
# if defined (SETVBUF_REVERSED)
|
|
setvbuf (info_dribble_file, _IONBF, (char *)NULL, 1);
|
|
# else
|
|
setvbuf (info_dribble_file, (char *)NULL, _IONBF, 1);
|
|
# endif /* !SETVBUF_REVERSED */
|
|
#endif /* HAVE_SETVBUF */
|
|
}
|
|
|
|
/* If there is a dribble file already open, close it. */
|
|
void
|
|
close_dribble_file ()
|
|
{
|
|
if (info_dribble_file)
|
|
{
|
|
fflush (info_dribble_file);
|
|
fclose (info_dribble_file);
|
|
info_dribble_file = (FILE *)NULL;
|
|
}
|
|
}
|
|
|
|
/* Write some output to our existing dribble file. */
|
|
void
|
|
dribble (byte)
|
|
unsigned char byte;
|
|
{
|
|
if (info_dribble_file)
|
|
fwrite (&byte, sizeof (unsigned char), 1, info_dribble_file);
|
|
}
|