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/* Return a string describing the type of a file.
Copyright (C) 1993-1994, 2001-2002, 2004-2006, 2009-2025 Free Software
Foundation, Inc.
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 3 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, see <https://www.gnu.org/licenses/>. */
/* Written by Paul Eggert. */
#include <config.h>
#include "file-type.h"
#define N_(msgid) (msgid)
char const *
c_file_type (struct stat const *st)
{
/* For some of these formats, see POSIX 1003.1-2017 "file" command,
STDOUT section, Table: File Utility Output Strings
<https://pubs.opengroup.org/onlinepubs/9699919799/utilities/file.html#tagtcjh_27>.
To keep diagnostics grammatical in English, the returned string
must start with a consonant. */
/* Do these three first, as they're the most common. */
if (S_ISREG (st->st_mode))
return st->st_size == 0 ? N_("regular empty file") : N_("regular file");
if (S_ISDIR (st->st_mode))
return N_("directory");
if (S_ISLNK (st->st_mode))
return N_("symbolic link");
/* Do the S_TYPEIS* macros next, as they may be implemented in terms
of S_ISNAM, and we want the more-specialized interpretation. */
if (S_TYPEISMQ (st))
return N_("message queue");
if (S_TYPEISSEM (st))
return N_("semaphore");
if (S_TYPEISSHM (st))
return N_("shared memory object");
if (S_TYPEISTMO (st))
return N_("typed memory object");
/* The remaining are in alphabetical order. */
if (S_ISBLK (st->st_mode))
return N_("block special file");
if (S_ISCHR (st->st_mode))
return N_("character special file");
if (S_ISCTG (st->st_mode))
return N_("contiguous data");
if (S_ISFIFO (st->st_mode))
return N_("fifo");
if (S_ISDOOR (st->st_mode))
return N_("door");
if (S_ISMPB (st->st_mode))
return N_("multiplexed block special file");
if (S_ISMPC (st->st_mode))
return N_("multiplexed character special file");
if (S_ISMPX (st->st_mode))
return N_("multiplexed file");
if (S_ISNAM (st->st_mode))
return N_("named file");
if (S_ISNWK (st->st_mode))
return N_("network special file");
if (S_ISOFD (st->st_mode))
return N_("migrated file with data");
if (S_ISOFL (st->st_mode))
return N_("migrated file without data");
if (S_ISPORT (st->st_mode))
return N_("port");
if (S_ISSOCK (st->st_mode))
return N_("socket");
if (S_ISWHT (st->st_mode))
return N_("whiteout");
return N_("weird file");
}
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