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delete: Use GOptionContext to handle help

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Marco Trevisan (Treviño)
2021-01-28 20:06:24 +01:00
parent bb722a0373
commit 8485985ed3
1 changed files with 20 additions and 3 deletions
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23
utils/delete.c
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@ -155,16 +155,33 @@ process_devices (char **argv)
int
main (int argc, char **argv)
{
g_autoptr(GOptionContext) option_context = NULL;
g_autoptr(GError) local_error = NULL;
option_context = g_option_context_new ("Delete fingerprints");
setlocale (LC_ALL, "");
create_manager ();
g_option_context_set_ignore_unknown_options (option_context, TRUE);
g_option_context_set_summary (option_context,
"<username> [usernames ...]");
if (!g_option_context_parse (option_context, &argc, &argv, &local_error))
{
g_print ("couldn't parse command-line options: %s\n", local_error->message);
return EXIT_FAILURE;
}
if (argc < 2)
{
g_print ("Usage: %s <username> [usernames...]\n", argv[0]);
return 1;
g_autofree char *usage = NULL;
usage = g_option_context_get_help (option_context, FALSE, NULL);
g_print ("%s", usage);
return EXIT_FAILURE;
}
create_manager ();
process_devices (argv);
return 0;