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104 lines
4.0 KiB
C
104 lines
4.0 KiB
C
/* UI_FILE - a generic STDIO like output stream.
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Copyright (C) 1999, 2000, 2007, 2008, 2009 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef UI_FILE_H
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#define UI_FILE_H
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struct ui_file;
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/* Create a generic ui_file object with null methods. */
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extern struct ui_file *ui_file_new (void);
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/* Override methods used by specific implementations of a UI_FILE
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object. */
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typedef void (ui_file_flush_ftype) (struct ui_file * stream);
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extern void set_ui_file_flush (struct ui_file *stream, ui_file_flush_ftype * flush);
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/* NOTE: Both fputs and write methods are available. Default
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implementations that mapping one onto the other are included. */
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typedef void (ui_file_write_ftype) (struct ui_file * stream, const char *buf, long length_buf);
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extern void set_ui_file_write (struct ui_file *stream, ui_file_write_ftype *fputs);
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typedef void (ui_file_fputs_ftype) (const char *, struct ui_file * stream);
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extern void set_ui_file_fputs (struct ui_file *stream, ui_file_fputs_ftype * fputs);
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typedef long (ui_file_read_ftype) (struct ui_file * stream, char *buf, long length_buf);
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extern void set_ui_file_read (struct ui_file *stream, ui_file_read_ftype *fread);
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typedef int (ui_file_isatty_ftype) (struct ui_file * stream);
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extern void set_ui_file_isatty (struct ui_file *stream, ui_file_isatty_ftype * isatty);
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typedef void (ui_file_rewind_ftype) (struct ui_file * stream);
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extern void set_ui_file_rewind (struct ui_file *stream, ui_file_rewind_ftype * rewind);
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typedef void (ui_file_put_method_ftype) (void *object, const char *buffer, long length_buffer);
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typedef void (ui_file_put_ftype) (struct ui_file *stream, ui_file_put_method_ftype * method, void *context);
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extern void set_ui_file_put (struct ui_file *stream, ui_file_put_ftype * put);
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typedef void (ui_file_delete_ftype) (struct ui_file * stream);
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extern void set_ui_file_data (struct ui_file *stream, void *data, ui_file_delete_ftype * delete);
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extern void *ui_file_data (struct ui_file *file);
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extern void gdb_flush (struct ui_file *);
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extern void ui_file_delete (struct ui_file *stream);
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extern void ui_file_rewind (struct ui_file *stream);
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extern int ui_file_isatty (struct ui_file *);
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extern void ui_file_write (struct ui_file *file, const char *buf, long length_buf);
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/* NOTE: copies left to right */
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extern void ui_file_put (struct ui_file *src, ui_file_put_method_ftype *write, void *dest);
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/* Returns a freshly allocated buffer containing the entire contents
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of FILE (as determined by ui_file_put()) with a NUL character
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appended. LENGTH is set to the size of the buffer minus that
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appended NUL. */
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extern char *ui_file_xstrdup (struct ui_file *file, long *length);
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extern long ui_file_read (struct ui_file *file, char *buf, long length_buf);
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/* Create/open a memory based file. Can be used as a scratch buffer
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for collecting output. */
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extern struct ui_file *mem_fileopen (void);
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/* Open/create a an STDIO based UI_FILE using the already open FILE. */
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extern struct ui_file *stdio_fileopen (FILE *file);
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/* Open NAME returning an STDIO based UI_FILE. */
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extern struct ui_file *gdb_fopen (char *name, char *mode);
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/* Create a file which writes to both ONE and TWO. CLOSE_ONE
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and CLOSE_TWO indicate whether the original files should be
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closed when the new file is closed. */
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struct ui_file *tee_file_new (struct ui_file *one,
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int close_one,
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struct ui_file *two,
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int close_two);
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#endif
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