112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
/* Return a string describing the type of a file.
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Copyright (C) 1993-1994, 2001-2002, 2004-2006, 2009-2022 Free Software
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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 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 <https://www.gnu.org/licenses/>. */
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/* Written by Paul Eggert. */
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#include <config.h>
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#include "file-type.h"
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#include <gettext.h>
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#define _(text) gettext (text)
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char const *
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file_type (struct stat const *st)
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{
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/* See POSIX 1003.1-2001 XCU Table 4-8 lines 17093-17107 for some of
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these formats.
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To keep diagnostics grammatical in English, the returned string
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must start with a consonant. */
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/* Do these three first, as they're the most common. */
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if (S_ISREG (st->st_mode))
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return st->st_size == 0 ? _("regular empty file") : _("regular file");
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if (S_ISDIR (st->st_mode))
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return _("directory");
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if (S_ISLNK (st->st_mode))
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return _("symbolic link");
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/* Do the S_TYPEIS* macros next, as they may be implemented in terms
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of S_ISNAM, and we want the more-specialized interpretation. */
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if (S_TYPEISMQ (st))
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return _("message queue");
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if (S_TYPEISSEM (st))
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return _("semaphore");
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if (S_TYPEISSHM (st))
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return _("shared memory object");
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if (S_TYPEISTMO (st))
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return _("typed memory object");
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/* The remaining are in alphabetical order. */
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if (S_ISBLK (st->st_mode))
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return _("block special file");
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if (S_ISCHR (st->st_mode))
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return _("character special file");
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if (S_ISCTG (st->st_mode))
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return _("contiguous data");
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if (S_ISFIFO (st->st_mode))
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return _("fifo");
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if (S_ISDOOR (st->st_mode))
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return _("door");
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if (S_ISMPB (st->st_mode))
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return _("multiplexed block special file");
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if (S_ISMPC (st->st_mode))
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return _("multiplexed character special file");
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if (S_ISMPX (st->st_mode))
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return _("multiplexed file");
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if (S_ISNAM (st->st_mode))
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return _("named file");
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if (S_ISNWK (st->st_mode))
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return _("network special file");
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if (S_ISOFD (st->st_mode))
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return _("migrated file with data");
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if (S_ISOFL (st->st_mode))
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return _("migrated file without data");
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if (S_ISPORT (st->st_mode))
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return _("port");
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if (S_ISSOCK (st->st_mode))
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return _("socket");
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if (S_ISWHT (st->st_mode))
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return _("whiteout");
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return _("weird file");
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}
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