1/*
2 * getflags.c		- Get a file flags on an ext2 file system
3 *
4 * Copyright (C) 1993, 1994  Remy Card <card@masi.ibp.fr>
5 *                           Laboratoire MASI, Institut Blaise Pascal
6 *                           Universite Pierre et Marie Curie (Paris VI)
7 *
8 * This file can be redistributed under the terms of the GNU Library General
9 * Public License
10 */
11
12/*
13 * History:
14 * 93/10/30	- Creation
15 */
16
17#if HAVE_ERRNO_H
18#include <errno.h>
19#endif
20#include <sys/types.h>
21#include <sys/stat.h>
22#if HAVE_EXT2_IOCTLS
23#include <sys/ioctl.h>
24#endif
25
26#include "e2p.h"
27
28int getflags (int fd, unsigned long * flags)
29{
30	struct stat buf;
31#if HAVE_STAT_FLAGS
32
33	if (fstat (fd, &buf) == -1)
34		return -1;
35
36	*flags = 0;
37#ifdef UF_IMMUTABLE
38	if (buf.st_flags & UF_IMMUTABLE)
39		*flags |= EXT2_IMMUTABLE_FL;
40#endif
41#ifdef UF_APPEND
42	if (buf.st_flags & UF_APPEND)
43		*flags |= EXT2_APPEND_FL;
44#endif
45#ifdef UF_NODUMP
46	if (buf.st_flags & UF_NODUMP)
47		*flags |= EXT2_NODUMP_FL;
48#endif
49
50	return 0;
51#else
52#if HAVE_EXT2_IOCTLS
53	int r, f;
54
55	if (!fstat(fd, &buf) &&
56	    !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode))
57		goto notsupp;
58	r = ioctl (fd, EXT2_IOC_GETFLAGS, &f);
59	*flags = f;
60	return r;
61#endif /* HAVE_EXT2_IOCTLS */
62#endif
63notsupp:
64	errno = EOPNOTSUPP;
65	return -1;
66}
67