1 /* vi: set sw=4 ts=4: */
3 * See README for additional information
5 * Licensed under GPLv2, see file LICENSE in this source tree.
11 #define HAVE_EXT2_IOCTLS 1
13 #if INT_MAX == LONG_MAX
14 #define IF_LONG_IS_SAME(...) __VA_ARGS__
15 #define IF_LONG_IS_WIDER(...)
17 #define IF_LONG_IS_SAME(...)
18 #define IF_LONG_IS_WIDER(...) __VA_ARGS__
21 static void close_silently(int fd
)
29 /* Iterate a function on each entry of a directory */
30 int iterate_on_dir(const char *dir_name
,
31 int FAST_FUNC (*func
)(const char *, struct dirent
*, void *),
37 dir
= opendir(dir_name
);
41 while ((de
= readdir(dir
)) != NULL
) {
42 func(dir_name
, de
, private);
49 /* Get/set a file version on an ext2 file system */
50 int fgetsetversion(const char *name
, unsigned long *get_version
, unsigned long set_version
)
54 IF_LONG_IS_WIDER(int ver
;)
56 fd
= open(name
, O_RDONLY
| O_NONBLOCK
);
61 ver
= (int) set_version
;
62 r
= ioctl(fd
, EXT2_IOC_SETVERSION
, &ver
);
65 r
= ioctl(fd
, EXT2_IOC_SETVERSION
, (void*)&set_version
);
69 r
= ioctl(fd
, EXT2_IOC_GETVERSION
, &ver
);
73 r
= ioctl(fd
, EXT2_IOC_GETVERSION
, (void*)get_version
);
78 #else /* ! HAVE_EXT2_IOCTLS */
81 #endif /* ! HAVE_EXT2_IOCTLS */
85 /* Get/set a file flags on an ext2 file system */
86 int fgetsetflags(const char *name
, unsigned long *get_flags
, unsigned long set_flags
)
91 IF_LONG_IS_WIDER(int f
;)
93 if (stat(name
, &buf
) == 0 /* stat is ok */
94 && !S_ISREG(buf
.st_mode
) && !S_ISDIR(buf
.st_mode
)
98 fd
= open(name
, O_RDONLY
| O_NONBLOCK
); /* neither read nor write asked for */
105 r
= ioctl(fd
, EXT2_IOC_SETFLAGS
, &f
);
108 r
= ioctl(fd
, EXT2_IOC_SETFLAGS
, (void*)&set_flags
);
112 r
= ioctl(fd
, EXT2_IOC_GETFLAGS
, &f
);
116 r
= ioctl(fd
, EXT2_IOC_GETFLAGS
, (void*)get_flags
);
123 #endif /* HAVE_EXT2_IOCTLS */
129 /* Print file attributes on an ext2 file system */
130 const uint32_t e2attr_flags_value
[] = {
131 #ifdef ENABLE_COMPRESSION
147 EXT3_JOURNAL_DATA_FL
,
152 const char e2attr_flags_sname
[] =
153 #ifdef ENABLE_COMPRESSION
159 static const char e2attr_flags_lname
[] =
160 #ifdef ENABLE_COMPRESSION
161 "Compressed_File" "\0"
162 "Compressed_Dirty_File" "\0"
163 "Compression_Raw_Access" "\0"
164 "Compression_Error" "\0"
166 "Indexed_directory" "\0"
167 "Secure_Deletion" "\0"
169 "Synchronous_Updates" "\0"
170 "Synchronous_Directory_Updates" "\0"
175 "Compression_Requested" "\0"
176 "Journaled_Data" "\0"
177 "No_Tailmerging" "\0"
178 "Top_of_Directory_Hierarchies" "\0"
179 /* Another trailing NUL is added by compiler */;
181 void print_e2flags(FILE *f
, unsigned long flags
, unsigned options
)
186 fv
= e2attr_flags_value
;
187 if (options
& PFOPT_LONG
) {
189 fn
= e2attr_flags_lname
;
198 fn
+= strlen(fn
) + 1;
203 fn
= e2attr_flags_sname
;