1 /* vi: set sw=4 ts=4: */
3 * See README for additional information
5 * Licensed under GPLv2, see file LICENSE in this tarball for details.
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;