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/* filtdir.c -- filter file names in directories
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Akim Demaille <demaille@inf.enst.fr>
* Based on savedir.c, written by David MacKenzie <djm@gnu.ai.mit.edu>. */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_DIRENT_H
# include <dirent.h>
# define NAMLEN(dirent) strlen((dirent)->d_name)
#else
# define dirent direct
# define NAMLEN(dirent) (dirent)->d_namlen
# if HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif
# if HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif
# if HAVE_NDIR_H
# include <ndir.h>
# endif
#endif
#ifdef CLOSEDIR_VOID
/* Fake a return value. */
#define CLOSEDIR(d) (closedir (d), 0)
#else
#define CLOSEDIR(d) closedir (d)
#endif
#ifdef HAVE_ERRNO_H
# include <errno.h>
#endif
#ifndef errno
extern int errno;
#endif
#if ENABLE_NLS
# include <libintl.h>
# define _(Text) gettext (Text)
#else
# define textdomain(Domain)
# define _(Text) Text
#endif
#if HAVE_STDBOOL_H
# include <stdbool.h>
#else
typedef enum {false = 0, true = 1} bool;
#endif
#include "error.h"
#include "darray.h"
#include "filtdir.h"
#include "xfnmatch.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 filesystems' 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);
}
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