2 * finfo - print file info
12 #include <sys/types.h>
13 #include "posixstat.h"
18 #include "posixtime.h"
29 extern char **make_builtin_argv ();
32 static int printsome();
33 static int printfinfo();
34 static int finfo_main();
37 extern char *sh_optarg;
38 extern char *this_command_name;
43 #define OPT_UID 0x00001
44 #define OPT_GID 0x00002
45 #define OPT_DEV 0x00004
46 #define OPT_INO 0x00008
47 #define OPT_PERM 0x00010
48 #define OPT_LNKNAM 0x00020
49 #define OPT_FID 0x00040
50 #define OPT_NLINK 0x00080
51 #define OPT_RDEV 0x00100
52 #define OPT_SIZE 0x00200
53 #define OPT_ATIME 0x00400
54 #define OPT_MTIME 0x00800
55 #define OPT_CTIME 0x01000
56 #define OPT_BLKSIZE 0x02000
57 #define OPT_BLKS 0x04000
58 #define OPT_FTYPE 0x08000
59 #define OPT_PMASK 0x10000
60 #define OPT_OPERM 0x20000
62 #define OPT_ASCII 0x1000000
64 #define OPTIONS "acdgiflmnopsuACGMP:U"
73 while (*++s >= '0' && *s <= '7')
74 r = (r * 8) + (*s - '0');
79 finfo_main(argc, argv)
86 sh_optind = 0; /* XXX */
87 prog = base_pathname(argv[0]);
93 while ((opt = sh_getopt(argc, argv, OPTIONS)) != EOF) {
95 case 'a': flags |= OPT_ATIME; break;
96 case 'A': flags |= OPT_ATIME|OPT_ASCII; break;
97 case 'c': flags |= OPT_CTIME; break;
98 case 'C': flags |= OPT_CTIME|OPT_ASCII; break;
99 case 'd': flags |= OPT_DEV; break;
100 case 'i': flags |= OPT_INO; break;
101 case 'f': flags |= OPT_FID; break;
102 case 'g': flags |= OPT_GID; break;
103 case 'G': flags |= OPT_GID|OPT_ASCII; break;
104 case 'l': flags |= OPT_LNKNAM; break;
105 case 'm': flags |= OPT_MTIME; break;
106 case 'M': flags |= OPT_MTIME|OPT_ASCII; break;
107 case 'n': flags |= OPT_NLINK; break;
108 case 'o': flags |= OPT_OPERM; break;
109 case 'p': flags |= OPT_PERM; break;
110 case 'P': flags |= OPT_PMASK; pmask = octal(sh_optarg); break;
111 case 's': flags |= OPT_SIZE; break;
112 case 'u': flags |= OPT_UID; break;
113 case 'U': flags |= OPT_UID|OPT_ASCII; break;
114 default: builtin_usage (); return(1);
126 for (i = 0; i < argc; i++)
127 opt = flags ? printsome (argv[i], flags) : printfinfo(argv[i]);
136 static struct stat st;
140 if (strncmp(f, "/dev/fd/", 8) == 0) {
141 if ((legal_number(f + 8, &lfd) == 0) || (int)lfd != lfd) {
142 builtin_error("%s: invalid fd", f + 8);
143 return ((struct stat *)0);
154 builtin_error("%s: cannot stat: %s", f, strerror(errno));
155 return ((struct stat *)0);
167 return (st ? printst(st) : 1);
174 return (m & (S_IRWXU|S_IRWXG|S_IRWXO|S_ISUID|S_ISGID));
181 char ubits[4], gbits[4], obits[4]; /* u=rwx,g=rwx,o=rwx */
212 ubits[2] = (m & S_IXUSR) ? 's' : 'S';
214 gbits[2] = (m & S_IXGRP) ? 's' : 'S';
216 obits[2] = (m & S_IXOTH) ? 't' : 'T';
218 printf ("u=%s,g=%s,o=%s", ubits, gbits, obits);
243 perms(getperm(mode));
256 ma = major (st->st_rdev);
257 mi = minor (st->st_rdev);
258 #if defined (makedev)
259 d = makedev (ma, mi);
261 d = st->st_rdev & 0xFF;
263 printf("Device (major/minor): %d (%d/%d)\n", d, ma, mi);
265 printf("Inode: %d\n", (int) st->st_ino);
266 printf("Mode: (%o) ", (int) st->st_mode);
267 printmode((int) st->st_mode);
268 printf("Link count: %d\n", (int) st->st_nlink);
269 pw = getpwuid(st->st_uid);
270 owner = pw ? pw->pw_name : "unknown";
271 printf("Uid of owner: %d (%s)\n", (int) st->st_uid, owner);
272 gr = getgrgid(st->st_gid);
273 owner = gr ? gr->gr_name : "unknown";
274 printf("Gid of owner: %d (%s)\n", (int) st->st_gid, owner);
275 printf("Device type: %d\n", (int) st->st_rdev);
276 printf("File size: %ld\n", (long) st->st_size);
277 printf("File last access time: %s", ctime (&st->st_atime));
278 printf("File last modify time: %s", ctime (&st->st_mtime));
279 printf("File last status change time: %s", ctime (&st->st_ctime));
299 /* Print requested info */
300 if (flags & OPT_ATIME) {
301 if (flags & OPT_ASCII)
302 printf("%s", ctime(&st->st_atime));
304 printf("%ld\n", st->st_atime);
305 } else if (flags & OPT_MTIME) {
306 if (flags & OPT_ASCII)
307 printf("%s", ctime(&st->st_mtime));
309 printf("%ld\n", st->st_mtime);
310 } else if (flags & OPT_CTIME) {
311 if (flags & OPT_ASCII)
312 printf("%s", ctime(&st->st_ctime));
314 printf("%ld\n", st->st_ctime);
315 } else if (flags & OPT_DEV)
316 printf("%d\n", st->st_dev);
317 else if (flags & OPT_INO)
318 printf("%d\n", st->st_ino);
319 else if (flags & OPT_FID)
320 printf("%d:%ld\n", st->st_dev, st->st_ino);
321 else if (flags & OPT_NLINK)
322 printf("%d\n", st->st_nlink);
323 else if (flags & OPT_LNKNAM) {
326 p = readlink(f, b, 4096);
327 if (p >= 0 && p < 4096)
333 strcat(b, strerror(p));
340 } else if (flags & OPT_PERM) {
343 } else if (flags & OPT_OPERM)
344 printf("%o\n", getperm(st->st_mode));
345 else if (flags & OPT_PMASK)
346 printf("%o\n", getperm(st->st_mode) & pmask);
347 else if (flags & OPT_UID) {
348 pw = getpwuid(st->st_uid);
349 if (flags & OPT_ASCII)
350 printf("%s\n", pw ? pw->pw_name : "unknown");
352 printf("%d\n", st->st_uid);
353 } else if (flags & OPT_GID) {
354 gr = getgrgid(st->st_gid);
355 if (flags & OPT_ASCII)
356 printf("%s\n", gr ? gr->gr_name : "unknown");
358 printf("%d\n", st->st_gid);
359 } else if (flags & OPT_SIZE)
360 printf("%ld\n", (long) st->st_size);
374 v = make_builtin_argv (list, &c);
375 r = finfo_main (c, v);
381 static char *finfo_doc[] = {
382 "Display information about file attributes.",
384 "Display information about each FILE. Only single operators should",
385 "be supplied. If no options are supplied, a summary of the info",
386 "available about each FILE is printed. If FILE is of the form",
387 "/dev/fd/XX, file descriptor XX is described. Operators, if supplied,",
388 "have the following meanings:",
390 " -a last file access time",
391 " -A last file access time in ctime format",
392 " -c last file status change time",
393 " -C last file status change time in ctime format",
394 " -m last file modification time",
395 " -M last file modification time in ctime format",
398 " -f composite file identifier (device:inode)",
400 " -G group name of owner",
401 " -l name of file pointed to by symlink",
403 " -o permissions in octal",
404 " -p permissions in ascii",
405 " -P mask permissions ANDed with MASK (like with umask)",
406 " -s file size in bytes",
408 " -U user name of owner",
412 struct builtin finfo_struct = {
417 "finfo [-acdgiflmnopsuACGMPU] file [file...]",
423 #if defined (PREFER_STDARG)
426 # if defined (PREFER_VARARGS)
427 # include <varargs.h>
431 char *this_command_name;
437 this_command_name = argv[0];
438 exit(finfo_main(argc, argv));
444 fprintf(stderr, "%s: usage: %s [-%s] [file ...]\n", prog, OPTIONS);
447 #ifndef HAVE_STRERROR
452 static char ebuf[40];
454 extern char *sys_errlist[];
456 if (e < 0 || e > sys_nerr) {
457 sprintf(ebuf,"Unknown error code %d", e);
460 return (sys_errlist[e]);
469 extern char *malloc();
474 fprintf(stderr, "%s: cannot malloc %d bytes\n", prog, s);
484 if (t = strrchr(p, '/'))
490 legal_number (string, result)
503 /* Skip leading whitespace characters. */
504 while (whitespace (*string))
510 /* We allow leading `-' or `+'. */
511 if (*string == '-' || *string == '+')
513 if (!digit (string[1]))
522 while (digit (*string))
525 value = (value * 10) + digit_value (*string);
529 /* Skip trailing whitespace, if any. */
530 while (whitespace (*string))
533 /* Error if not at end of string. */
538 *result = value * sign;
563 #if defined (USE_VARARGS)
565 #if defined (PREFER_STDARG)
566 builtin_error (const char *format, ...)
568 builtin_error (format, va_alist)
575 if (this_command_name && *this_command_name)
576 fprintf (stderr, "%s: ", this_command_name);
578 #if defined (PREFER_STDARG)
579 va_start (args, format);
584 vfprintf (stderr, format, args);
586 fprintf (stderr, "\n");
590 builtin_error (format, arg1, arg2, arg3, arg4, arg5)
591 char *format, *arg1, *arg2, *arg3, *arg4, *arg5;
593 if (this_command_name && *this_command_name)
594 fprintf (stderr, "%s: ", this_command_name);
596 fprintf (stderr, format, arg1, arg2, arg3, arg4, arg5);
597 fprintf (stderr, "\n");
600 #endif /* !USE_VARARGS */