1393fc116
Denys Vlasenko
2010-12-19
Subject
chrt: -m can be used without any arguments. Closes bug 2989
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miscutils/chrt.c+10 -8
| @@ -53,23 +53,25 @@ int chrt_main(int argc UNUSED_PARAM, char **argv) | |
| const char *current_new; | |
| int policy = SCHED_RR; | |
| - | /* at least 1 arg; only one policy accepted */ |
| - | opt_complementary = "-1:r--fo:f--ro:o--rf"; |
| + | /* only one policy accepted */ |
| + | opt_complementary = "r--fo:f--ro:o--rf"; |
| opt = getopt32(argv, "+mprfo"); | |
| + | if (opt & OPT_m) { /* print min/max and exit */ |
| + | show_min_max(SCHED_FIFO); |
| + | show_min_max(SCHED_RR); |
| + | show_min_max(SCHED_OTHER); |
| + | fflush_stdout_and_exit(EXIT_SUCCESS); |
| + | } |
| if (opt & OPT_r) | |
| policy = SCHED_RR; | |
| if (opt & OPT_f) | |
| policy = SCHED_FIFO; | |
| if (opt & OPT_o) | |
| policy = SCHED_OTHER; | |
| - | if (opt & OPT_m) { /* print min/max */ |
| - | show_min_max(SCHED_FIFO); |
| - | show_min_max(SCHED_RR); |
| - | show_min_max(SCHED_OTHER); |
| - | fflush_stdout_and_exit(EXIT_SUCCESS); |
| - | } |
| argv += optind; | |
| + | if (!argv[0]) |
| + | bb_show_usage(); |
| if (opt & OPT_p) { | |
| pid_str = *argv++; | |
| if (*argv) { /* "-p <priority> <pid> [...]" */ | |