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author | Jim Meyering <jim@meyering.net> | 1993-10-23 15:37:19 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 1993-10-23 15:37:19 +0000 |
commit | b869639f4661488eba0bb2d08020c6e71bb72627 (patch) | |
tree | e325845ec7ca06b4d59fcc07e87020897c7c4d9b /src/sum.c | |
parent | d1df8c198d8878b77d1d1583bc7b3c491534616a (diff) | |
download | coreutils-b869639f4661488eba0bb2d08020c6e71bb72627.tar.xz |
merge with 1.8d+
Diffstat (limited to 'src/sum.c')
-rw-r--r-- | src/sum.c | 30 |
1 files changed, 24 insertions, 6 deletions
@@ -65,11 +65,29 @@ static struct option const longopts[] = }; static void -usage () +usage (status) + int status; { - fprintf (stderr, "\ -Usage: %s [-rs] [--help] [--version] [--sysv] [file...]\n", program_name); - exit (1); + if (status != 0) + fprintf (stderr, "Try `%s --help' for more information.\n", + program_name); + else + { + printf ("\ +Usage: %s [OPTION]... [FILE]...\n\ +", + program_name); + printf ("\ +\n\ + -r defeat -s, use BSD sum algorithm, use 1K blocks\n\ + -s, --sysv use System V sum algorithm, use 512 bytes blocks\n\ + --help display this help and exit\n\ + --version output version information and exit\n\ +\n\ +With no FILE, or when FILE is -, read standard input.\n\ +"); + } + exit (status); } void @@ -101,7 +119,7 @@ main (argc, argv) break; default: - usage (); + usage (1); } } @@ -112,7 +130,7 @@ main (argc, argv) } if (show_help) - usage (); + usage (0); files_given = argc - optind; if (files_given == 0) |