1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* Test the statx() system call.
4 * Note that the output of this program is intended to look like the output of
5 * /bin/stat where possible.
7 * Copyright (C) 2015 Red Hat, Inc. All Rights Reserved.
8 * Written by David Howells (dhowells@redhat.com)
12 #define _ATFILE_SOURCE
20 #include <sys/syscall.h>
21 #include <sys/types.h>
22 #include <linux/stat.h>
23 #include <linux/fcntl.h>
25 #define statx_timestamp foo_timestamp
27 struct statx_timestamp
;
30 #undef statx_timestamp
32 #define AT_STATX_SYNC_TYPE 0x6000
33 #define AT_STATX_SYNC_AS_STAT 0x0000
34 #define AT_STATX_FORCE_SYNC 0x2000
35 #define AT_STATX_DONT_SYNC 0x4000
41 static __attribute__((unused
))
42 ssize_t
statx(int dfd
, const char *filename
, unsigned flags
,
43 unsigned int mask
, struct statx
*buffer
)
45 return syscall(__NR_statx
, dfd
, filename
, flags
, mask
, buffer
);
48 static void print_time(const char *field
, struct statx_timestamp
*ts
)
56 if (!localtime_r(&tim
, &tm
)) {
57 perror("localtime_r");
60 len
= strftime(buffer
, 100, "%F %T", &tm
);
66 fwrite(buffer
, 1, len
, stdout
);
67 printf(".%09u", ts
->tv_nsec
);
68 len
= strftime(buffer
, 100, "%z", &tm
);
73 fwrite(buffer
, 1, len
, stdout
);
77 static void dump_statx(struct statx
*stx
)
79 char buffer
[256], ft
= '?';
81 printf("results=%x\n", stx
->stx_mask
);
84 if (stx
->stx_mask
& STATX_SIZE
)
85 printf(" Size: %-15llu", (unsigned long long)stx
->stx_size
);
86 if (stx
->stx_mask
& STATX_BLOCKS
)
87 printf(" Blocks: %-10llu", (unsigned long long)stx
->stx_blocks
);
88 printf(" IO Block: %-6llu", (unsigned long long)stx
->stx_blksize
);
89 if (stx
->stx_mask
& STATX_TYPE
) {
90 switch (stx
->stx_mode
& S_IFMT
) {
91 case S_IFIFO
: printf(" FIFO\n"); ft
= 'p'; break;
92 case S_IFCHR
: printf(" character special file\n"); ft
= 'c'; break;
93 case S_IFDIR
: printf(" directory\n"); ft
= 'd'; break;
94 case S_IFBLK
: printf(" block special file\n"); ft
= 'b'; break;
95 case S_IFREG
: printf(" regular file\n"); ft
= '-'; break;
96 case S_IFLNK
: printf(" symbolic link\n"); ft
= 'l'; break;
97 case S_IFSOCK
: printf(" socket\n"); ft
= 's'; break;
99 printf(" unknown type (%o)\n", stx
->stx_mode
& S_IFMT
);
103 printf(" no type\n");
106 sprintf(buffer
, "%02x:%02x", stx
->stx_dev_major
, stx
->stx_dev_minor
);
107 printf("Device: %-15s", buffer
);
108 if (stx
->stx_mask
& STATX_INO
)
109 printf(" Inode: %-11llu", (unsigned long long) stx
->stx_ino
);
110 if (stx
->stx_mask
& STATX_NLINK
)
111 printf(" Links: %-5u", stx
->stx_nlink
);
112 if (stx
->stx_mask
& STATX_TYPE
) {
113 switch (stx
->stx_mode
& S_IFMT
) {
116 printf(" Device type: %u,%u",
117 stx
->stx_rdev_major
, stx
->stx_rdev_minor
);
123 if (stx
->stx_mask
& STATX_MODE
)
124 printf("Access: (%04o/%c%c%c%c%c%c%c%c%c%c) ",
125 stx
->stx_mode
& 07777,
127 stx
->stx_mode
& S_IRUSR
? 'r' : '-',
128 stx
->stx_mode
& S_IWUSR
? 'w' : '-',
129 stx
->stx_mode
& S_IXUSR
? 'x' : '-',
130 stx
->stx_mode
& S_IRGRP
? 'r' : '-',
131 stx
->stx_mode
& S_IWGRP
? 'w' : '-',
132 stx
->stx_mode
& S_IXGRP
? 'x' : '-',
133 stx
->stx_mode
& S_IROTH
? 'r' : '-',
134 stx
->stx_mode
& S_IWOTH
? 'w' : '-',
135 stx
->stx_mode
& S_IXOTH
? 'x' : '-');
136 if (stx
->stx_mask
& STATX_UID
)
137 printf("Uid: %5d ", stx
->stx_uid
);
138 if (stx
->stx_mask
& STATX_GID
)
139 printf("Gid: %5d\n", stx
->stx_gid
);
141 if (stx
->stx_mask
& STATX_ATIME
)
142 print_time("Access: ", &stx
->stx_atime
);
143 if (stx
->stx_mask
& STATX_MTIME
)
144 print_time("Modify: ", &stx
->stx_mtime
);
145 if (stx
->stx_mask
& STATX_CTIME
)
146 print_time("Change: ", &stx
->stx_ctime
);
147 if (stx
->stx_mask
& STATX_BTIME
)
148 print_time(" Birth: ", &stx
->stx_btime
);
150 if (stx
->stx_attributes_mask
) {
151 unsigned char bits
, mbits
;
154 static char attr_representation
[64 + 1] =
155 /* STATX_ATTR_ flags: */
156 "????????" /* 63-56 */
157 "????????" /* 55-48 */
158 "????????" /* 47-40 */
159 "????????" /* 39-32 */
160 "????????" /* 31-24 0x00000000-ff000000 */
161 "????????" /* 23-16 0x00000000-00ff0000 */
162 "???me???" /* 15- 8 0x00000000-0000ff00 */
163 "?dai?c??" /* 7- 0 0x00000000-000000ff */
166 printf("Attributes: %016llx (",
167 (unsigned long long)stx
->stx_attributes
);
168 for (byte
= 64 - 8; byte
>= 0; byte
-= 8) {
169 bits
= stx
->stx_attributes
>> byte
;
170 mbits
= stx
->stx_attributes_mask
>> byte
;
171 for (loop
= 7; loop
>= 0; loop
--) {
172 int bit
= byte
+ loop
;
175 putchar('.'); /* Not supported */
176 else if (bits
& 0x80)
177 putchar(attr_representation
[63 - bit
]);
179 putchar('-'); /* Not set */
190 static void dump_hex(unsigned long long *data
, int from
, int to
)
192 unsigned offset
, print_offset
= 1, col
= 0;
197 for (offset
= from
; offset
< to
; offset
++) {
199 printf("%04x: ", offset
* 8);
202 printf("%016llx", data
[offset
]);
204 if ((col
& 3) == 0) {
216 int main(int argc
, char **argv
)
219 int ret
, raw
= 0, atflag
= AT_SYMLINK_NOFOLLOW
;
221 unsigned int mask
= STATX_BASIC_STATS
| STATX_BTIME
;
223 for (argv
++; *argv
; argv
++) {
224 if (strcmp(*argv
, "-F") == 0) {
225 atflag
&= ~AT_STATX_SYNC_TYPE
;
226 atflag
|= AT_STATX_FORCE_SYNC
;
229 if (strcmp(*argv
, "-D") == 0) {
230 atflag
&= ~AT_STATX_SYNC_TYPE
;
231 atflag
|= AT_STATX_DONT_SYNC
;
234 if (strcmp(*argv
, "-L") == 0) {
235 atflag
&= ~AT_SYMLINK_NOFOLLOW
;
238 if (strcmp(*argv
, "-O") == 0) {
239 mask
&= ~STATX_BASIC_STATS
;
242 if (strcmp(*argv
, "-A") == 0) {
243 atflag
|= AT_NO_AUTOMOUNT
;
246 if (strcmp(*argv
, "-R") == 0) {
251 memset(&stx
, 0xbf, sizeof(stx
));
252 ret
= statx(AT_FDCWD
, *argv
, atflag
, mask
, &stx
);
253 printf("statx(%s) = %d\n", *argv
, ret
);
260 dump_hex((unsigned long long *)&stx
, 0, sizeof(stx
));