old-cross-binutils/gdb/ui-file.h
Daniel Jacobowitz e4c242d9b0 * ui-file.c (struct tee_file, tee_file_new, tee_file_delete)
(tee_file_flush, tee_file_write, tee_file_fputs)
	(tee_file_isatty): New.
	* ui-file.h (tee_file_new): Add prototype.
2002-07-25 03:14:28 +00:00

100 lines
3.8 KiB
C

/* UI_FILE - a generic STDIO like output stream.
Copyright 1999, 2000 Free Software Foundation, Inc.
This file is part of GDB.
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 of the License, 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. */
#ifndef UI_FILE_H
#define UI_FILE_H
struct ui_file;
/* Create a generic ui_file object with null methods. */
extern struct ui_file *ui_file_new (void);
/* Override methods used by specific implementations of a UI_FILE
object. */
typedef void (ui_file_flush_ftype) (struct ui_file * stream);
extern void set_ui_file_flush (struct ui_file *stream, ui_file_flush_ftype * flush);
/* NOTE: Both fputs and write methods are available. Default
implementations that mapping one onto the other are included. */
typedef void (ui_file_write_ftype) (struct ui_file * stream, const char *buf, long length_buf);
extern void set_ui_file_write (struct ui_file *stream, ui_file_write_ftype *fputs);
typedef void (ui_file_fputs_ftype) (const char *, struct ui_file * stream);
extern void set_ui_file_fputs (struct ui_file *stream, ui_file_fputs_ftype * fputs);
typedef int (ui_file_isatty_ftype) (struct ui_file * stream);
extern void set_ui_file_isatty (struct ui_file *stream, ui_file_isatty_ftype * isatty);
typedef void (ui_file_rewind_ftype) (struct ui_file * stream);
extern void set_ui_file_rewind (struct ui_file *stream, ui_file_rewind_ftype * rewind);
typedef void (ui_file_put_method_ftype) (void *object, const char *buffer, long length_buffer);
typedef void (ui_file_put_ftype) (struct ui_file *stream, ui_file_put_method_ftype * method, void *context);
extern void set_ui_file_put (struct ui_file *stream, ui_file_put_ftype * put);
typedef void (ui_file_delete_ftype) (struct ui_file * stream);
extern void set_ui_file_data (struct ui_file *stream, void *data, ui_file_delete_ftype * delete);
extern void *ui_file_data (struct ui_file *file);
extern void gdb_flush (struct ui_file *);
extern void ui_file_delete (struct ui_file *stream);
extern void ui_file_rewind (struct ui_file *stream);
extern int ui_file_isatty (struct ui_file *);
extern void ui_file_write (struct ui_file *file, const char *buf, long length_buf);
/* NOTE: copies left to right */
extern void ui_file_put (struct ui_file *src, ui_file_put_method_ftype *write, void *dest);
/* Returns a freshly allocated buffer containing the entire contents
of FILE (as determined by ui_file_put()) with a NUL character
appended. LENGTH is set to the size of the buffer minus that
appended NUL. */
extern char *ui_file_xstrdup (struct ui_file *file, long *length);
/* Create/open a memory based file. Can be used as a scratch buffer
for collecting output. */
extern struct ui_file *mem_fileopen (void);
/* Open/create a an STDIO based UI_FILE using the already open FILE. */
extern struct ui_file *stdio_fileopen (FILE *file);
/* Open NAME returning an STDIO based UI_FILE. */
extern struct ui_file *gdb_fopen (char *name, char *mode);
/* Create a file which writes to both ONE and TWO. CLOSE_ONE
and CLOSE_TWO indicate whether the original files should be
closed when the new file is closed. */
struct ui_file *tee_file_new (struct ui_file *one,
int close_one,
struct ui_file *two,
int close_two);
#endif