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/* filtdir.c - filter file names in directories
Copyright 1995-2017 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, 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. */
/* Akim Demaille <demaille@inf.enst.fr>
* Based on savedir.c, written by David MacKenzie <djm@gnu.ai.mit.edu>. */
#include <config.h>
#include <stdio.h>
#include <sys/types.h>
#include <fnmatch.h>
#include <unistd.h>
#include <errno.h>
#include <stdbool.h>
#include <dirent.h>
#include "error.h"
#include "darray.h"
#include "filtdir.h"
#include "routines.h"
/* Is NAME . or ..? */
#define IS_NOTDOTDOT(Name) \
(Name[0] != '.' \
|| (Name[1] != '\0' \
&& (Name[1] != '.' || Name[2] != '\0')))
/*----------------------------------------------------------------.
| Perform a call to FUN (FILE, DIR, ARG) on each FILE in DIR that |
| statisfies a call to FILTER (FILE, DIR, FILTARG). |
`----------------------------------------------------------------*/
void
filterdir (const char *dir,
filterdir_filter_t filter, void *filtarg,
filterdir_fun_t fun, void *arg)
{
DIR *dirp;
struct dirent *dp;
dirp = opendir (dir);
if (dirp == NULL)
return;
/* error (1, errno, _("cannot open directory `%s'"), dir);*/
while ((dp = readdir (dirp)) != NULL)
/* Skip "." and ".." (some NFS file systems' directories lack them). */
if (IS_NOTDOTDOT (dp->d_name)
&& (!filter || (*filter) (dir, dp->d_name, filtarg)))
fun (dir, dp->d_name, arg);
if (closedir (dirp))
error (1, errno, _("cannot close directory `%s'"), dir);
}
|
