diff options
Diffstat (limited to 'systemv/cancel.c')
| -rw-r--r-- | systemv/cancel.c | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/systemv/cancel.c b/systemv/cancel.c index 7314aa668..c85a86e0c 100644 --- a/systemv/cancel.c +++ b/systemv/cancel.c @@ -1,10 +1,11 @@ /* * "cancel" command for CUPS. * - * Copyright 2007-2016 by Apple Inc. - * Copyright 1997-2006 by Easy Software Products. + * Copyright © 2007-2018 by Apple Inc. + * Copyright © 1997-2006 by Easy Software Products. * - * Licensed under Apache License v2.0. See the file "LICENSE" for more information. + * Licensed under Apache License v2.0. See the file "LICENSE" for more + * information. */ /* @@ -15,6 +16,13 @@ /* + * Local functions... + */ + +static void usage(void) _CUPS_NORETURN; + + +/* * 'main()' - Parse options and cancel jobs. */ @@ -59,7 +67,9 @@ main(int argc, /* I - Number of command-line arguments */ for (i = 1; i < argc; i ++) { - if (argv[i][0] == '-' && argv[i][1]) + if (!strcmp(argv[i], "--help")) + usage(); + else if (argv[i][0] == '-' && argv[i][1]) { for (opt = argv[i] + 1; *opt; opt ++) { @@ -88,7 +98,7 @@ main(int argc, /* I - Number of command-line arguments */ if (i >= argc) { _cupsLangPrintf(stderr, _("%s: Error - expected username after \"-U\" option."), argv[0]); - return (1); + usage(); } cupsSetUser(argv[i]); @@ -118,7 +128,7 @@ main(int argc, /* I - Number of command-line arguments */ if (i >= argc) { _cupsLangPrintf(stderr, _("%s: Error - expected hostname after \"-h\" option."), argv[0]); - return (1); + usage(); } else cupsSetServer(argv[i]); @@ -140,7 +150,7 @@ main(int argc, /* I - Number of command-line arguments */ if (i >= argc) { _cupsLangPrintf(stderr, _("%s: Error - expected username after \"-u\" option."), argv[0]); - return (1); + usage(); } else user = argv[i]; @@ -376,3 +386,25 @@ main(int argc, /* I - Number of command-line arguments */ return (0); } + + +/* + * 'usage()' - Show program usage and exit. + */ + +static void +usage(void) +{ + _cupsLangPuts(stdout, _("Usage: cancel [options] [id]\n" + " cancel [options] [destination]\n" + " cancel [options] [destination-id]")); + _cupsLangPuts(stdout, _("Options:")); + _cupsLangPuts(stdout, _("-a Cancel all jobs")); + _cupsLangPuts(stdout, _("-E Encrypt the connection to the server")); + _cupsLangPuts(stdout, _("-h server[:port] Connect to the named server and port")); + _cupsLangPuts(stdout, _("-u owner Specify the owner to use for jobs")); + _cupsLangPuts(stdout, _("-U username Specify the username to use for authentication")); + _cupsLangPuts(stdout, _("-x Purge jobs rather than just canceling")); + + exit(1); +} |