diff options
| -rw-r--r-- | toys/other/vmstat.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/toys/other/vmstat.c b/toys/other/vmstat.c index 49c7cc72..eed79459 100644 --- a/toys/other/vmstat.c +++ b/toys/other/vmstat.c @@ -84,11 +84,13 @@ void vmstat_main(void) if (toys.optc) loop_delay = atolx_range(toys.optargs[0], 0, INT_MAX); if (toys.optc > 1) loop_max = atolx_range(toys.optargs[1], 1, INT_MAX) - 1; - for (loop = 0; loop <= loop_max; loop++) { + for (loop = 0; !loop_max || loop <= loop_max; loop++) { unsigned idx = loop&1, offset = 0, expected = 0; uint64_t units, total_hz, *ptr = (uint64_t *)(top+idx), *oldptr = (uint64_t *)(top+!idx); + if (loop && loop_delay) sleep(loop_delay); + // Print headers if (rows>3 && !(loop % (rows-3))) { if (isatty(1)) terminal_size(0, &rows); @@ -147,7 +149,6 @@ void vmstat_main(void) } xputc('\n'); - if (loop_delay) sleep(loop_delay); - else break; + if (!loop_delay) break; } } |