1 /* UI_FILE - a generic STDIO like output stream.
2 Copyright (C) 1999, 2000, 2007, 2008, 2009, 2010, 2011
3 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
26 /* Create a generic ui_file object with null methods. */
28 extern struct ui_file
*ui_file_new (void);
30 /* Override methods used by specific implementations of a UI_FILE
33 typedef void (ui_file_flush_ftype
) (struct ui_file
*stream
);
34 extern void set_ui_file_flush (struct ui_file
*stream
,
35 ui_file_flush_ftype
*flush
);
37 /* NOTE: Both fputs and write methods are available. Default
38 implementations that mapping one onto the other are included. */
39 typedef void (ui_file_write_ftype
) (struct ui_file
*stream
,
40 const char *buf
, long length_buf
);
41 extern void set_ui_file_write (struct ui_file
*stream
,
42 ui_file_write_ftype
*fputs
);
44 typedef void (ui_file_fputs_ftype
) (const char *, struct ui_file
*stream
);
45 extern void set_ui_file_fputs (struct ui_file
*stream
,
46 ui_file_fputs_ftype
*fputs
);
48 typedef long (ui_file_read_ftype
) (struct ui_file
*stream
,
49 char *buf
, long length_buf
);
50 extern void set_ui_file_read (struct ui_file
*stream
,
51 ui_file_read_ftype
*fread
);
53 typedef int (ui_file_isatty_ftype
) (struct ui_file
*stream
);
54 extern void set_ui_file_isatty (struct ui_file
*stream
,
55 ui_file_isatty_ftype
*isatty
);
57 typedef void (ui_file_rewind_ftype
) (struct ui_file
*stream
);
58 extern void set_ui_file_rewind (struct ui_file
*stream
,
59 ui_file_rewind_ftype
*rewind
);
61 typedef void (ui_file_put_method_ftype
) (void *object
, const char *buffer
,
63 typedef void (ui_file_put_ftype
) (struct ui_file
*stream
,
64 ui_file_put_method_ftype
*method
,
66 extern void set_ui_file_put (struct ui_file
*stream
, ui_file_put_ftype
*put
);
68 typedef void (ui_file_delete_ftype
) (struct ui_file
* stream
);
69 extern void set_ui_file_data (struct ui_file
*stream
, void *data
,
70 ui_file_delete_ftype
*delete);
72 extern void *ui_file_data (struct ui_file
*file
);
75 extern void gdb_flush (struct ui_file
*);
77 extern void ui_file_delete (struct ui_file
*stream
);
79 extern void ui_file_rewind (struct ui_file
*stream
);
81 extern int ui_file_isatty (struct ui_file
*);
83 extern void ui_file_write (struct ui_file
*file
, const char *buf
,
86 /* NOTE: copies left to right. */
87 extern void ui_file_put (struct ui_file
*src
,
88 ui_file_put_method_ftype
*write
, void *dest
);
90 /* Returns a freshly allocated buffer containing the entire contents
91 of FILE (as determined by ui_file_put()) with a NUL character
92 appended. LENGTH, if not NULL, is set to the size of the buffer
93 minus that appended NUL. */
94 extern char *ui_file_xstrdup (struct ui_file
*file
, long *length
);
96 /* Similar to ui_file_xstrdup, but return a new string allocated on
98 extern char *ui_file_obsavestring (struct ui_file
*file
,
99 struct obstack
*obstack
, long *length
);
101 extern long ui_file_read (struct ui_file
*file
, char *buf
, long length_buf
);
103 /* Create/open a memory based file. Can be used as a scratch buffer
104 for collecting output. */
105 extern struct ui_file
*mem_fileopen (void);
109 /* Open/create a STDIO based UI_FILE using the already open FILE. */
110 extern struct ui_file
*stdio_fileopen (FILE *file
);
112 /* Open NAME returning an STDIO based UI_FILE. */
113 extern struct ui_file
*gdb_fopen (char *name
, char *mode
);
115 /* Create a file which writes to both ONE and TWO. CLOSE_ONE
116 and CLOSE_TWO indicate whether the original files should be
117 closed when the new file is closed. */
118 struct ui_file
*tee_file_new (struct ui_file
*one
,
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