From 3257fce1b8f00ced0807db7b4263ab855f296aa8 Mon Sep 17 00:00:00 2001 From: Christian Neukirchen Date: Tue, 26 Jul 2016 21:57:54 +0200 Subject: mlist: add usage --- mlist.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) (limited to 'mlist.c') diff --git a/mlist.c b/mlist.c index bf12c4d..5aaf380 100644 --- a/mlist.c +++ b/mlist.c @@ -161,7 +161,7 @@ int main(int argc, char *argv[]) { int c; - while ((c = getopt(argc, argv, "PRSTDFprstdfX:x:NnCcim:")) != -1) + while ((c = getopt(argc, argv, "PRSTDFprstdfX:x:NnCci")) != -1) switch(c) { case 'P': case 'R': case 'S': case 'T': case 'D': case 'F': flags[(unsigned int)c] = 1; @@ -182,12 +182,20 @@ main(int argc, char *argv[]) case 'C': Cflag = 1; break; case 'c': Cflag = -1; break; case 'i': iflag = 1; break; - case 'm': // XXX todo default: - // XXX usage + usage: + fprintf(stderr, + "Usage: mlist [-DFPRST] [-X str]\n" + " [-dfprst] [-x str]\n" + " [-N | -n | -C | -c]\n" + " [-i] dirs...\n" + ); exit(1); } + if (optind == argc) + goto usage; + int i; for (i = 0, flagsum = 0, flagset = 0; (size_t)i < sizeof flags; i++) { -- cgit 1.4.1