97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
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/*
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* Copyright (C) 2013, Walter Bender
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* Copyright (C) 2009 Aaron Stone <aaron@serendipity.cx>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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// Gives us O_NOATIME
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#define _GNU_SOURCE
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include <linux/msdos_fs.h>
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#include <glib.h>
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#include <errno.h>
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#include <stdio.h>
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// This function is wrapped by getattrs/setattrs
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static int _ioctl_attrs(char *file, __u32 *attrs, int ioctlnum, char *verb)
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{
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int fd;
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// Interesting, we don't need a read-write handle to call the SET ioctl.
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fd = open(file, O_RDONLY | O_NOATIME);
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if (fd < 0) {
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fprintf(stderr, "Error opening '%s': %s\n", file, strerror(errno));
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goto err;
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}
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if (ioctl(fd, ioctlnum, attrs) != 0) {
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fprintf(stderr, "Error %s attributes: %s\n", verb, strerror(errno));
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goto err;
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}
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close (fd);
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return 0;
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err:
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close (fd);
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return -1;
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}
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static int getattrs(char *file, __u32 *attrs)
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{
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return _ioctl_attrs(file, attrs, FAT_IOCTL_GET_ATTRIBUTES, "reading");
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}
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static int setattrs(char *file, __u32 *attrs)
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{
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return _ioctl_attrs(file, attrs, FAT_IOCTL_SET_ATTRIBUTES, "writing");
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}
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static int set_hidden_attrib(char *pathname)
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{
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__u32 attrs = 0;
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char *file = NULL;
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file = pathname;
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if (getattrs(file, &attrs) == 0) {
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attrs |= ATTR_HIDDEN;
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setattrs(file, &attrs);
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return 0;
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}
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return -1;
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}
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/**
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* Set the FAT HIDDEN attribute.
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*
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* sugar_fat_set_hidden_attrib:
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* @const char: (file utf8)
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*/
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gboolean sugar_fat_set_hidden_attrib(const char *file)
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{
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if (set_hidden_attrib(file) == 0) {
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return TRUE;
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}
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return FALSE;
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}
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