diff options
Diffstat (limited to 'components/uptime.c')
| -rw-r--r-- | components/uptime.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/components/uptime.c b/components/uptime.c index 8a04b92..a3082f2 100644 --- a/components/uptime.c +++ b/components/uptime.c @@ -1,5 +1,7 @@ /* See LICENSE file for copyright and license details. */ +#include <errno.h> #include <stdio.h> +#include <string.h> #if defined(__linux__) #include <sys/sysinfo.h> #elif defined(__OpenBSD__) @@ -35,8 +37,10 @@ uptime(void) if (sysctl(mib, 2, &boottime, &size, NULL, 0) != -1) uptime = now - boottime.tv_sec; - else + else { + fprintf(stderr, "sysctl 'KERN_BOOTTIME': %s\n", strerror(errno)); return NULL; + } #endif h = uptime / 3600; m = (uptime - h * 3600) / 60; |