mirror of
https://github.com/coreutils/coreutils.git
synced 2024-12-04 07:24:22 +08:00
67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/* xfts.c -- a wrapper for fts_open
|
|
|
|
Copyright (C) 2003, 2005 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 2, 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, write to the Free Software Foundation,
|
|
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
|
|
|
|
/* Written by Jim Meyering. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include "exit.h"
|
|
#include "error.h"
|
|
|
|
#include "gettext.h"
|
|
#define _(msgid) gettext (msgid)
|
|
|
|
#include "quote.h"
|
|
#include "xalloc.h"
|
|
#include "xfts.h"
|
|
|
|
/* Fail with a proper diagnostic if fts_open fails. */
|
|
|
|
FTS *
|
|
xfts_open (char * const *argv, int options,
|
|
int (*compar) (const FTSENT **, const FTSENT **))
|
|
{
|
|
FTS *fts = fts_open (argv, options, compar);
|
|
if (fts == NULL)
|
|
{
|
|
/* This can fail in three ways: out of memory, invalid bit_flags,
|
|
and one or more of the FILES is an empty string. We could try
|
|
to decipher that errno==EINVAL means invalid bit_flags and
|
|
errno==ENOENT means there's an empty string, but that seems wrong.
|
|
Ideally, fts_open would return a proper error indicator. For now,
|
|
we'll presume that the bit_flags are valid and just check for
|
|
empty strings. */
|
|
bool invalid_arg = false;
|
|
for (; *argv; ++argv)
|
|
{
|
|
if (**argv == '\0')
|
|
invalid_arg = true;
|
|
}
|
|
if (invalid_arg)
|
|
error (EXIT_FAILURE, 0, _("invalid argument: %s"), quote (""));
|
|
else
|
|
xalloc_die ();
|
|
}
|
|
|
|
return fts;
|
|
}
|