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91 lines
3.8 KiB
C
91 lines
3.8 KiB
C
/* filesys.h -- external declarations for filesys.c.
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$Id: filesys.h,v 1.1 2002/08/25 23:38:38 karl Exp $
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Copyright (C) 1993, 1997, 1998, 2002 Free Software Foundation, Inc.
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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 2, or (at your option)
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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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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Written by Brian Fox (bfox@ai.mit.edu). */
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#ifndef INFO_FILESYS_H
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#define INFO_FILESYS_H
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/* The path on which we look for info files. You can initialize this
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from the environment variable INFOPATH if there is one, or you can
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call info_add_path () to add paths to the beginning or end of it. */
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extern char *infopath;
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/* Make INFOPATH have absolutely nothing in it. */
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extern void zap_infopath ();
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/* Add PATH to the list of paths found in INFOPATH. 2nd argument says
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whether to put PATH at the front or end of INFOPATH. */
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extern void info_add_path ();
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/* Defines that are passed along with the pathname to info_add_path (). */
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#define INFOPATH_PREPEND 0
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#define INFOPATH_APPEND 1
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/* Expand the filename in PARTIAL to make a real name for this operating
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system. This looks in INFO_PATHS in order to find the correct file.
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If it can't find the file, it returns NULL. */
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extern char *info_find_fullpath ();
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/* Given a chunk of text and its length, convert all CRLF pairs at the
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EOLs into a single Newline character. Return the length of produced
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text. */
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long convert_eols ();
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/* Read the contents of PATHNAME, returning a buffer with the contents of
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that file in it, and returning the size of that buffer in FILESIZE.
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FINFO is a stat struct which has already been filled in by the caller.
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If the file cannot be read, return a NULL pointer. */
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extern char *filesys_read_info_file ();
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extern char *filesys_read_compressed ();
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/* Return the command string that would be used to decompress FILENAME. */
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extern char *filesys_decompressor_for_file ();
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extern int compressed_filename_p ();
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/* A function which returns a pointer to a static buffer containing
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an error message for FILENAME and ERROR_NUM. */
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extern char *filesys_error_string ();
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/* The number of the most recent file system error. */
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extern int filesys_error_number;
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/* Given a string containing units of information separated by colons,
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return the next one pointed to by IDX, or NULL if there are no more.
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Advance IDX to the character after the colon. */
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extern char *extract_colon_unit ();
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/* Return true if FILENAME is `dir', with a possible compression suffix. */
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extern int is_dir_name ();
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/* The default value of INFOPATH. */
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#if !defined (DEFAULT_INFOPATH)
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# define DEFAULT_INFOPATH "/usr/local/info:/usr/info:/usr/local/lib/info:/usr/lib/info:/usr/local/gnu/info:/usr/local/gnu/lib/info:/usr/gnu/info:/usr/gnu/lib/info:/opt/gnu/info:/usr/share/info:/usr/share/lib/info:/usr/local/share/info:/usr/local/share/lib/info:/usr/gnu/lib/emacs/info:/usr/local/gnu/lib/emacs/info:/usr/local/lib/emacs/info:/usr/local/emacs/info:."
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#endif /* !DEFAULT_INFOPATH */
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#if !defined (S_ISREG) && defined (S_IFREG)
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# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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#endif /* !S_ISREG && S_IFREG */
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#if !defined (S_ISDIR) && defined (S_IFDIR)
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# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
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#endif /* !S_ISDIR && S_IFDIR */
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#endif /* not INFO_FILESYS_H */
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