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67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/* xfts.c -- a wrapper for fts_open
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Copyright (C) 2003, 2005 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 Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/* Written by Jim Meyering. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdbool.h>
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#include "exit.h"
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#include "error.h"
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#include "gettext.h"
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#define _(msgid) gettext (msgid)
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#include "quote.h"
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#include "xalloc.h"
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#include "xfts.h"
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/* Fail with a proper diagnostic if fts_open fails. */
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FTS *
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xfts_open (char * const *argv, int options,
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int (*compar) (const FTSENT **, const FTSENT **))
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{
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FTS *fts = fts_open (argv, options, compar);
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if (fts == NULL)
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{
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/* This can fail in three ways: out of memory, invalid bit_flags,
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and one or more of the FILES is an empty string. We could try
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to decipher that errno==EINVAL means invalid bit_flags and
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errno==ENOENT means there's an empty string, but that seems wrong.
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Ideally, fts_open would return a proper error indicator. For now,
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we'll presume that the bit_flags are valid and just check for
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empty strings. */
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bool invalid_arg = false;
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for (; *argv; ++argv)
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{
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if (**argv == '\0')
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invalid_arg = true;
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}
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if (invalid_arg)
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error (EXIT_FAILURE, 0, _("invalid argument: %s"), quote (""));
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else
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xalloc_die ();
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}
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return fts;
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}
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