1 /* -*- c-file-style: "linux" -*-
3 * Copyright (C) 2001 by Martin Pool <mbp@samba.org>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License version
7 * 2 as published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 * tls -- Trivial recursive ls, for comparing two directories after
25 * The problem with using the system's own ls is that some features
26 * have little quirks that make directories look different when for
27 * our purposes they're the same -- for example, the BSD braindamage
28 * about setting the mode on symlinks based on your current umask.
30 * All the filenames must be given on the command line -- tls does not
31 * even read directories, let alone recurse. The typical usage is
32 * "find|sort|xargs tls".
34 * The format is not exactly the same as any particular Unix ls(1).
36 * A key requirement for this program is that the output be "very
37 * reproducible." So we mask away information that can accidentally
47 /* These are to make syscall.o shut up. */
53 static void failed (char const *what,
56 fprintf (stderr, PROGRAM ": %s %s: %s\n",
57 what, where, strerror (errno));
63 static void list_file (const char *fname)
66 char permbuf[PERMSTRING_SIZE];
69 if (do_lstat(fname, &buf) == -1)
70 failed ("stat", fname);
72 /* On some BSD platforms the mode bits of a symlink are
74 if (S_ISLNK(buf.st_mode))
77 /* The size of anything but a regular file is probably not
78 * worth thinking about. */
79 if (!S_ISREG(buf.st_mode))
82 permstring(permbuf, buf.st_mode);
84 mt = gmtime(&buf.st_mtime);
86 /* TODO: Perhaps escape special characters in fname? */
88 /* NB: need to pass size as a double because it might be be
89 * too large for a long. */
90 printf("%s %12.0f %6d.%-6d %04d-%02d-%02d %02d:%02d:%02d %s\n",
91 permbuf, (double) buf.st_size,
92 buf.st_uid, buf.st_gid,
103 int main (int argc, char *argv[])
106 fprintf (stderr, "usage: " PROGRAM " DIR ...\n"
107 "Trivial file listing program for portably checking rsync\n");
111 for (argv++; *argv; argv++) {