e6302b271
Denys Vlasenko
2026-09-29
Subject
swapon: with no arguments, show /proc/swaps (mimic util-linux 2.41.1)
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util-linux/swaponoff.c+5 -0
| @@ -323,6 +323,11 @@ int swap_on_off_main(int argc UNUSED_PARAM, char **argv) | |
| ret = do_all_in_proc_swaps(); | |
| ret |= do_em_all_in_fstab(); | |
| } else if (!*argv) { | |
| + | if (!do_swapoff) { |
| + | /* bare "swapon" shows current swap usage */ |
| + | *--argv = (char*)"/proc/swaps"; |
| + | return bb_cat(argv); |
| + | } |
| /* if not -a we need at least one arg */ | |
| bb_show_usage(); | |
| } | |