Last change
on this file since 3882 was 1765, checked in by Bruno Cornec, 17 years ago |
Update to busybox 1.7.2
|
-
Property svn:eol-style
set to
native
|
File size:
1.5 KB
|
Line | |
---|
1 | /* vi: set sw=4 ts=4: */
|
---|
2 | /*
|
---|
3 | * fgetflags.c - Get a file flags on an ext2 file system
|
---|
4 | * fsetflags.c - Set a file flags on an ext2 file system
|
---|
5 | *
|
---|
6 | * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
|
---|
7 | * Laboratoire MASI, Institut Blaise Pascal
|
---|
8 | * Universite Pierre et Marie Curie (Paris VI)
|
---|
9 | *
|
---|
10 | * This file can be redistributed under the terms of the GNU Library General
|
---|
11 | * Public License
|
---|
12 | */
|
---|
13 |
|
---|
14 | /*
|
---|
15 | * History:
|
---|
16 | * 93/10/30 - Creation
|
---|
17 | */
|
---|
18 |
|
---|
19 | #ifdef HAVE_ERRNO_H
|
---|
20 | #include <errno.h>
|
---|
21 | #endif
|
---|
22 | #ifdef HAVE_UNISTD_H
|
---|
23 | #include <unistd.h>
|
---|
24 | #endif
|
---|
25 | #include <sys/types.h>
|
---|
26 | #include <sys/stat.h>
|
---|
27 | #ifdef HAVE_EXT2_IOCTLS
|
---|
28 | #include <fcntl.h>
|
---|
29 | #include <sys/ioctl.h>
|
---|
30 | #endif
|
---|
31 |
|
---|
32 | #include "e2p.h"
|
---|
33 |
|
---|
34 | #ifdef O_LARGEFILE
|
---|
35 | #define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
|
---|
36 | #else
|
---|
37 | #define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
|
---|
38 | #endif
|
---|
39 |
|
---|
40 | int fgetsetflags (const char * name, unsigned long * get_flags, unsigned long set_flags)
|
---|
41 | {
|
---|
42 | #ifdef HAVE_EXT2_IOCTLS
|
---|
43 | struct stat buf;
|
---|
44 | int fd, r, f, save_errno = 0;
|
---|
45 |
|
---|
46 | if (!stat(name, &buf) &&
|
---|
47 | !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
|
---|
48 | goto notsupp;
|
---|
49 | }
|
---|
50 | fd = open (name, OPEN_FLAGS);
|
---|
51 | if (fd == -1)
|
---|
52 | return -1;
|
---|
53 | if (!get_flags) {
|
---|
54 | f = (int) set_flags;
|
---|
55 | r = ioctl (fd, EXT2_IOC_SETFLAGS, &f);
|
---|
56 | } else {
|
---|
57 | r = ioctl (fd, EXT2_IOC_GETFLAGS, &f);
|
---|
58 | *get_flags = f;
|
---|
59 | }
|
---|
60 | if (r == -1)
|
---|
61 | save_errno = errno;
|
---|
62 | close (fd);
|
---|
63 | if (save_errno)
|
---|
64 | errno = save_errno;
|
---|
65 | return r;
|
---|
66 | notsupp:
|
---|
67 | #endif /* HAVE_EXT2_IOCTLS */
|
---|
68 | errno = EOPNOTSUPP;
|
---|
69 | return -1;
|
---|
70 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.