diff options
author | Jim Meyering <jim@meyering.net> | 1993-10-08 00:51:10 +0000 |
---|---|---|
committer | Jim Meyering <jim@meyering.net> | 1993-10-08 00:51:10 +0000 |
commit | 95f7eb6267b6fa36b92e247eca2728cde8130f03 (patch) | |
tree | b667ee079ab3c23c5e8506bb92cc0650f5cee7fb /src/du.c | |
parent | d9d6720b77c2777aefcbabdfbd6dd250872d3a36 (diff) | |
download | coreutils-95f7eb6267b6fa36b92e247eca2728cde8130f03.tar.xz |
merge with 3.8.3d
Diffstat (limited to 'src/du.c')
-rw-r--r-- | src/du.c | 35 |
1 files changed, 27 insertions, 8 deletions
@@ -191,19 +191,38 @@ static struct option const long_options[] = }; static void -usage (reason) +usage (reason, status) char *reason; + int status; { if (reason != NULL) fprintf (stderr, "%s: %s\n", program_name, reason); fprintf (stderr, "\ -Usage: %s [-abcklsxDLS] [--all] [--total] [--count-links] [--summarize]\n\ - [--bytes] [--kilobytes] [--one-file-system] [--separate-dirs]\n\ - [--dereference] [--dereference-args] [--help] [--version] [path...]\n", +Usage: %s [OPTION]... [PATH]...\n\ +\n", program_name); - exit (2); + if (status == 0) + fprintf (stderr, "\ + -a, --all write counts for all files, not just directories\n\ + -b, --bytes print size in bytes\n\ + -c, --total produce a grand total\n\ + -k, --kilobytes use 1024 blocks, not 512 despite POSIXLY_CORRECT\n\ + -l, --count-links count sizes many times if hard linked\n\ + -s, --summarize display only a total for each argument\n\ + -x, --one-file-system skip directories on different filesystems\n\ + -D, --dereference-args dereference PATHs when symbolic link\n\ + -L, --dereference dereference all symbolic links\n\ + -S, --separate-dirs do not include size of subdirectories\n\ + --help provide this help\n\ + --version show program version\n"); + + else + fprintf (stderr, "Try `%s --help' for more information.\n", + program_name); + + exit (status); } void @@ -266,7 +285,7 @@ main (argc, argv) break; default: - usage ((char *) 0); + usage ((char *) 0, 2); } } @@ -277,10 +296,10 @@ main (argc, argv) } if (show_help) - usage (NULL); + usage (NULL, 0); if (opt_all && opt_summarize_only) - usage ("cannot both summarize and show all entries"); + usage ("cannot both summarize and show all entries", 2); /* Initialize the hash structure for inode numbers. */ hash_init (INITIAL_HASH_MODULE, INITIAL_ENTRY_TAB_SIZE); |