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/* GDB_FILE - a generic STDIO like output stream.
Copyright (C) 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 GDB_FILE_H
#define GDB_FILE_H
struct gdb_file;
/* Create a generic gdb_file object with null methods. */
extern struct gdb_file *gdb_file_new (void);
/* Override methods used by specific implementations of a GDB_FILE
object. */
typedef void (gdb_file_flush_ftype) (struct gdb_file * stream);
extern void set_gdb_file_flush (struct gdb_file *stream, gdb_file_flush_ftype * flush);
/* NOTE: Both fputs and write methods are available. Default
implementations that mapping one onto the other are included. */
typedef void (gdb_file_write_ftype) (struct gdb_file * stream, const char *buf, long length_buf);
extern void set_gdb_file_write (struct gdb_file *stream, gdb_file_write_ftype *fputs);
typedef void (gdb_file_fputs_ftype) (const char *, struct gdb_file * stream);
extern void set_gdb_file_fputs (struct gdb_file *stream, gdb_file_fputs_ftype * fputs);
typedef int (gdb_file_isatty_ftype) (struct gdb_file * stream);
extern void set_gdb_file_isatty (struct gdb_file *stream, gdb_file_isatty_ftype * isatty);
typedef void (gdb_file_rewind_ftype) (struct gdb_file * stream);
extern void set_gdb_file_rewind (struct gdb_file *stream, gdb_file_rewind_ftype * rewind);
typedef void (gdb_file_put_method_ftype) (void *object, const char *buffer, long length_buffer);
typedef void (gdb_file_put_ftype) (struct gdb_file *stream, gdb_file_put_method_ftype * method, void *context);
extern void set_gdb_file_put (struct gdb_file *stream, gdb_file_put_ftype * put);
typedef void (gdb_file_delete_ftype) (struct gdb_file * stream);
extern void set_gdb_file_data (struct gdb_file *stream, void *data, gdb_file_delete_ftype * delete);
extern void *gdb_file_data (struct gdb_file *file);
extern void gdb_flush (struct gdb_file *);
extern void gdb_file_delete (struct gdb_file *stream);
extern void gdb_file_rewind (struct gdb_file *stream);
extern int gdb_file_isatty (struct gdb_file *);
extern void gdb_file_write (struct gdb_file *file, const char *buf, long length_buf);
/* NOTE: copies left to right */
extern void gdb_file_put (struct gdb_file *src, gdb_file_put_method_ftype *write, void *dest);
/* Returns a freshly allocated buffer containing the entire contents
of FILE (as determined by gdb_file_put()) with a NUL character
appended. LENGTH is set to the size of the buffer minus that
appended NUL. */
extern char *gdb_file_xstrdup (struct gdb_file *file, long *length);
/* Create/open a memory based file. Can be used as a scratch buffer
for collecting output. */
extern struct gdb_file *mem_fileopen (void);
/* Open/create a an STDIO based GDB_FILE using the already open FILE. */
extern struct gdb_file *stdio_fileopen (FILE *file);
/* Open NAME returning an STDIO based GDB_FILE. */
extern GDB_FILE *gdb_fopen (char *name, char *mode);
#endif
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