glibc/dirent/list.c

76 lines
1.6 KiB
C

/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <dirent.h>
static int
test (const char *name)
{
DIR *dirp;
struct dirent *entp;
int retval = 0;
puts (name);
dirp = opendir (name);
if (dirp == NULL)
{
perror ("opendir");
return 1;
}
errno = 0;
while ((entp = readdir (dirp)) != NULL)
printf ("%s\tfile number %lu\n",
entp->d_name, (unsigned long int) entp->d_fileno);
if (errno)
{
perror ("readdir");
retval = 1;
}
if (closedir (dirp) < 0)
{
perror ("closedir");
retval = 1;
}
return retval;
}
int
main (int argc, char **argv)
{
int retval = 0;
--argc;
++argv;
if (argc == 0)
retval = test (".");
else
while (argc-- > 0)
retval |= test (*argv++);
return retval;
}