diff options
| -rw-r--r-- | calmwm.c | 11 | ||||
| -rw-r--r-- | calmwm.h | 1 |
2 files changed, 11 insertions, 1 deletions
diff --git a/calmwm.c b/calmwm.c index 886ee32..7703221 100644 --- a/calmwm.c +++ b/calmwm.c @@ -71,7 +71,7 @@ main(int argc, char **argv) DefaultFontName = xstrdup(optarg); break; default: - errx(1, "Unknown option '%c'", ch); + usage(); } } argc -= optind; @@ -321,3 +321,12 @@ _sigchld_cb(int which) (pid < 0 && errno == EINTR)) ; } + +void +usage(void) +{ + extern char *__progname; + + fprintf(stderr, "usage: %s [-s] [-d display] [-f fontname] \n", __progname); + exit(1); +} diff --git a/calmwm.h b/calmwm.h index e4f463d..4c58df0 100644 --- a/calmwm.h +++ b/calmwm.h @@ -312,6 +312,7 @@ int x_errorhandler(Display *, XErrorEvent *); void x_setup(char *display_name); char *x_screenname(int); void x_setupscreen(struct screen_ctx *, u_int); +void usage(void); struct client_ctx *client_find(Window); void client_setup(void); |