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add usage

mischief committed 11 years ago

Commit f91da351 parent b6ca4591 file · +11 −1Browse files

Unified · Split

hack9.c+11−1
@@ -338,6 +338,13 @@ movemons(void) · 337 unmodified lines
338 free(tomove);338 free(tomove);
339}339}
340 340
341void
342usage(void)
343{
344 fprint(2, "usage: %s [-d] [-u uisz]", argv0);
345 threadexitsall("usage");
346}
347
341void348void
342threadmain(int argc, char *argv[])349threadmain(int argc, char *argv[])
343{350{
@@ -354,9 +361,12 @@ threadmain(int argc, char *argv[]) · 10 unmodified lines
354 debug++;361 debug++;
355 break;362 break;
356 case 'u':363 case 'u':
357 uisz = atoi(EARGF(exits(nil)));364 uisz = atoi(EARGF(usage()));
358 if(uisz < 3)365 if(uisz < 3)
359 sysfatal("ui too small");366 sysfatal("ui too small");
367 break;
368 default:
369 usage();
360 }ARGEND370 }ARGEND
361 371
362 srand(truerand());372 srand(truerand());