vty: show uptime: use timespecsub
Related: OS#4609
Change-Id: If94795b3cd74040c49bdcbed8c410bf6e950afff
diff --git a/src/vty/command.c b/src/vty/command.c
index 3112fee..bb6a665 100644
--- a/src/vty/command.c
+++ b/src/vty/command.c
@@ -3067,13 +3067,15 @@
show_uptime_cmd, "show uptime", SHOW_STR "Displays how long the program has been running\n")
{
struct timespec now;
- osmo_clock_gettime(CLOCK_MONOTONIC, &now);
+ struct timespec uptime;
- time_t uptime = now.tv_sec - starttime.tv_sec;
- int d = uptime / (3600 * 24);
- int h = uptime / 3600 % 24;
- int m = uptime / 60 % 60;
- int s = uptime % 60;
+ osmo_clock_gettime(CLOCK_MONOTONIC, &now);
+ timespecsub(&now, &starttime, &uptime);
+
+ int d = uptime.tv_sec / (3600 * 24);
+ int h = uptime.tv_sec / 3600 % 24;
+ int m = uptime.tv_sec / 60 % 60;
+ int s = uptime.tv_sec % 60;
vty_out(vty, "%s has been running for %dd %dh %dm %ds%s", host.app_info->name, d, h, m, s, VTY_NEWLINE);