diff options
Diffstat (limited to 'usr.bin/mg/main.c')
| -rw-r--r-- | usr.bin/mg/main.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/usr.bin/mg/main.c b/usr.bin/mg/main.c index aedd3315c73..80b3c0b7e05 100644 --- a/usr.bin/mg/main.c +++ b/usr.bin/mg/main.c @@ -1,4 +1,4 @@ -/* $OpenBSD: main.c,v 1.52 2006/06/01 05:34:52 jason Exp $ */ +/* $OpenBSD: main.c,v 1.53 2006/07/17 14:11:55 kjell Exp $ */ /* This file is in the public domain. */ @@ -20,13 +20,24 @@ int thisflag; /* flags, this command */ int lastflag; /* flags, last command */ int curgoal; /* goal column */ int startrow; /* row to start */ -struct buffer *curbp; /* current buffer */ -struct buffer *bheadp; /* BUFFER list head */ -struct mgwin *curwp; /* current window */ -struct mgwin *wheadp; /* MGWIN listhead */ +struct buffer *curbp; /* current buffer */ +struct buffer *bheadp; /* BUFFER list head */ +struct mgwin *curwp; /* current window */ +struct mgwin *wheadp; /* MGWIN listhead */ char pat[NPAT]; /* pattern */ static void edinit(PF); +static __dead void usage(void); + +extern char *__progname; + +static __dead void +usage() +{ + fprintf(stderr, "usage: %s [+line] [-hn] [-f mode] [file ...]\n", + __progname); + exit(1); +} int main(int argc, char **argv) @@ -36,7 +47,7 @@ main(int argc, char **argv) int o, i, nfiles; int nobackups = 0; - while ((o = getopt(argc, argv, "nf:")) != -1) + while ((o = getopt(argc, argv, "hnf:")) != -1) switch (o) { case 'n': nobackups = 1; @@ -47,8 +58,10 @@ main(int argc, char **argv) "initial function"); init_fcn_name = optarg; break; + case 'h': + /* FALLTHRU */ default: - errx(1, "usage: mg [options] [file ...]"); + usage(); } argc -= optind; argv += optind; |