1 /* vi: set sw=4 ts=4: */
3 * See README for additional information
5 * This file can be redistributed under the terms of the GNU Library General
12 #define HAVE_EXT2_IOCTLS 1
14 #if INT_MAX == LONG_MAX
15 #define IF_LONG_IS_SAME(...) __VA_ARGS__
16 #define IF_LONG_IS_WIDER(...)
18 #define IF_LONG_IS_SAME(...)
19 #define IF_LONG_IS_WIDER(...) __VA_ARGS__
22 static void close_silently(int fd)
30 /* Iterate a function on each entry of a directory */
31 int iterate_on_dir(const char *dir_name,
32 int (*func)(const char *, struct dirent *, void *),
36 struct dirent *de, *dep;
39 max_len = PATH_MAX + sizeof(struct dirent);
40 de = xmalloc(max_len+1);
41 memset(de, 0, max_len+1);
43 dir = opendir(dir_name);
48 while ((dep = readdir(dir))) {
49 len = sizeof(struct dirent);
50 if (len < dep->d_reclen)
55 func(dir_name, de, private);
63 /* Get/set a file version on an ext2 file system */
64 int fgetsetversion(const char *name, unsigned long *get_version, unsigned long set_version)
68 IF_LONG_IS_WIDER(int ver;)
70 fd = open(name, O_NONBLOCK);
75 ver = (int) set_version;
76 r = ioctl(fd, EXT2_IOC_SETVERSION, &ver);
79 r = ioctl(fd, EXT2_IOC_SETVERSION, (void*)&set_version);
83 r = ioctl(fd, EXT2_IOC_GETVERSION, &ver);
87 r = ioctl(fd, EXT2_IOC_GETVERSION, (void*)get_version);
92 #else /* ! HAVE_EXT2_IOCTLS */
95 #endif /* ! HAVE_EXT2_IOCTLS */
99 /* Get/set a file flags on an ext2 file system */
100 int fgetsetflags(const char *name, unsigned long *get_flags, unsigned long set_flags)
105 IF_LONG_IS_WIDER(int f;)
107 if (stat(name, &buf) == 0 /* stat is ok */
108 && !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)
112 fd = open(name, O_NONBLOCK); /* neither read nor write asked for */
119 r = ioctl(fd, EXT2_IOC_SETFLAGS, &f);
122 r = ioctl(fd, EXT2_IOC_SETFLAGS, (void*)&set_flags);
126 r = ioctl(fd, EXT2_IOC_GETFLAGS, &f);
130 r = ioctl(fd, EXT2_IOC_GETFLAGS, (void*)get_flags);
137 #endif /* HAVE_EXT2_IOCTLS */
143 /* Print file attributes on an ext2 file system */
147 const char *long_name;
150 /* TODO: apart from I and (disabled) COMPRESSION flags, this
151 * is a duplicate of a table from chattr. Merge? */
152 static const struct flags_name flags_array[] = {
153 { EXT2_SECRM_FL, 's', "Secure_Deletion" },
154 { EXT2_UNRM_FL, 'u' , "Undelete" },
155 { EXT2_SYNC_FL, 'S', "Synchronous_Updates" },
156 { EXT2_DIRSYNC_FL, 'D', "Synchronous_Directory_Updates" },
157 { EXT2_IMMUTABLE_FL, 'i', "Immutable" },
158 { EXT2_APPEND_FL, 'a', "Append_Only" },
159 { EXT2_NODUMP_FL, 'd', "No_Dump" },
160 { EXT2_NOATIME_FL, 'A', "No_Atime" },
161 { EXT2_COMPR_FL, 'c', "Compression_Requested" },
162 #ifdef ENABLE_COMPRESSION
163 { EXT2_COMPRBLK_FL, 'B', "Compressed_File" },
164 { EXT2_DIRTY_FL, 'Z', "Compressed_Dirty_File" },
165 { EXT2_NOCOMPR_FL, 'X', "Compression_Raw_Access" },
166 { EXT2_ECOMPR_FL, 'E', "Compression_Error" },
168 { EXT3_JOURNAL_DATA_FL, 'j', "Journaled_Data" },
169 { EXT2_INDEX_FL, 'I', "Indexed_directory" },
170 { EXT2_NOTAIL_FL, 't', "No_Tailmerging" },
171 { EXT2_TOPDIR_FL, 'T', "Top_of_Directory_Hierarchies" },
175 void print_flags(FILE *f, unsigned long flags, unsigned options)
177 const struct flags_name *fp;
179 if (options & PFOPT_LONG) {
181 for (fp = flags_array; fp->short_name; fp++) {
182 if (flags & fp->flag) {
185 fputs(fp->long_name, f);
192 for (fp = flags_array; fp->short_name; fp++) {
194 if (flags & fp->flag)