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/*
* Copyright (C) 2013, Walter Bender
* Copyright (C) 2009 Aaron Stone <aaron@serendipity.cx>
*
* This 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 of the License, or (at your option) any later version.
*
* This 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 this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
// Gives us O_NOATIME
#define _GNU_SOURCE
#include <sys/types.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <linux/msdos_fs.h>
#include <glib.h>
#include <errno.h>
#include <stdio.h>
// This function is wrapped by getattrs/setattrs
static int _ioctl_attrs(char *file, __u32 *attrs, int ioctlnum, char *verb)
{
int fd;
// Interesting, we don't need a read-write handle to call the SET ioctl.
fd = open(file, O_RDONLY | O_NOATIME);
if (fd < 0) {
fprintf(stderr, "Error opening '%s': %s\n", file, strerror(errno));
goto err;
}
if (ioctl(fd, ioctlnum, attrs) != 0) {
fprintf(stderr, "Error %s attributes: %s\n", verb, strerror(errno));
goto err;
}
close (fd);
return 0;
err:
close (fd);
return -1;
}
static int getattrs(char *file, __u32 *attrs)
{
return _ioctl_attrs(file, attrs, FAT_IOCTL_GET_ATTRIBUTES, "reading");
}
static int setattrs(char *file, __u32 *attrs)
{
return _ioctl_attrs(file, attrs, FAT_IOCTL_SET_ATTRIBUTES, "writing");
}
static int set_hidden_attrib(char *pathname)
{
__u32 attrs = 0;
char *file = NULL;
file = pathname;
if (getattrs(file, &attrs) == 0) {
attrs |= ATTR_HIDDEN;
setattrs(file, &attrs);
return 0;
}
return -1;
}
/**
* Set the FAT HIDDEN attribute.
*
* sugar_fat_set_hidden_attrib:
* @const char: (file utf8)
*/
gboolean sugar_fat_set_hidden_attrib(const char *file)
{
if (set_hidden_attrib(file) == 0) {
return TRUE;
}
return FALSE;
}
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