1 /* UI_FILE - a generic STDIO like output stream.
2 Copyright (C) 1999, 2000, 2007, 2008, 2009 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 /* Create a generic ui_file object with null methods. */
26 extern struct ui_file *ui_file_new (void);
28 /* Override methods used by specific implementations of a UI_FILE
31 typedef void (ui_file_flush_ftype) (struct ui_file * stream);
32 extern void set_ui_file_flush (struct ui_file *stream, ui_file_flush_ftype * flush);
34 /* NOTE: Both fputs and write methods are available. Default
35 implementations that mapping one onto the other are included. */
36 typedef void (ui_file_write_ftype) (struct ui_file * stream, const char *buf, long length_buf);
37 extern void set_ui_file_write (struct ui_file *stream, ui_file_write_ftype *fputs);
39 typedef void (ui_file_fputs_ftype) (const char *, struct ui_file * stream);
40 extern void set_ui_file_fputs (struct ui_file *stream, ui_file_fputs_ftype * fputs);
42 typedef long (ui_file_read_ftype) (struct ui_file * stream, char *buf, long length_buf);
43 extern void set_ui_file_read (struct ui_file *stream, ui_file_read_ftype *fread);
45 typedef int (ui_file_isatty_ftype) (struct ui_file * stream);
46 extern void set_ui_file_isatty (struct ui_file *stream, ui_file_isatty_ftype * isatty);
48 typedef void (ui_file_rewind_ftype) (struct ui_file * stream);
49 extern void set_ui_file_rewind (struct ui_file *stream, ui_file_rewind_ftype * rewind);
51 typedef void (ui_file_put_method_ftype) (void *object, const char *buffer, long length_buffer);
52 typedef void (ui_file_put_ftype) (struct ui_file *stream, ui_file_put_method_ftype * method, void *context);
53 extern void set_ui_file_put (struct ui_file *stream, ui_file_put_ftype * put);
55 typedef void (ui_file_delete_ftype) (struct ui_file * stream);
56 extern void set_ui_file_data (struct ui_file *stream, void *data, ui_file_delete_ftype * delete);
58 extern void *ui_file_data (struct ui_file *file);
61 extern void gdb_flush (struct ui_file *);
63 extern void ui_file_delete (struct ui_file *stream);
65 extern void ui_file_rewind (struct ui_file *stream);
67 extern int ui_file_isatty (struct ui_file *);
69 extern void ui_file_write (struct ui_file *file, const char *buf, long length_buf);
71 /* NOTE: copies left to right */
72 extern void ui_file_put (struct ui_file *src, ui_file_put_method_ftype *write, void *dest);
74 /* Returns a freshly allocated buffer containing the entire contents
75 of FILE (as determined by ui_file_put()) with a NUL character
76 appended. LENGTH is set to the size of the buffer minus that
78 extern char *ui_file_xstrdup (struct ui_file *file, long *length);
82 extern long ui_file_read (struct ui_file *file, char *buf, long length_buf);
84 /* Create/open a memory based file. Can be used as a scratch buffer
85 for collecting output. */
86 extern struct ui_file *mem_fileopen (void);
90 /* Open/create a an STDIO based UI_FILE using the already open FILE. */
91 extern struct ui_file *stdio_fileopen (FILE *file);
93 /* Open NAME returning an STDIO based UI_FILE. */
94 extern struct ui_file *gdb_fopen (char *name, char *mode);
96 /* Create a file which writes to both ONE and TWO. CLOSE_ONE
97 and CLOSE_TWO indicate whether the original files should be
98 closed when the new file is closed. */
99 struct ui_file *tee_file_new (struct ui_file *one,