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library: suppress zero 'days' under the <uptime.h> API

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The former whattime logic used to suppress that 'days'
output when the system had been up less than 24 hours.

But since the refactor for newlib, '0 days' was always
output under those conditions. So this commit restores
the former expected behavior of suppressing that item.

[ plus an erroneous calculation of uphours was fixed ]

[ and the clang warnings shown below were also fixed ]

Reference(s):
proc/uptime.c:74:10: warning: unused variable 'buf' [-Wunused-variable]
    char buf[256];
         ^
proc/uptime.c:131:58: warning: data argument not used by format string [-Wformat-extra-args]
        pos += sprintf(upbuf + pos, "%d min, ", uphours, upminutes);
                                    ~~~~~~~~~~           ^
proc/uptime.c:175:15: warning: expression result unused [-Wunused-value]
        comma +1;
        ~~~~~ ^~

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2015-09-04 00:00:00 -05:00 committed by Craig Small
parent bb04019510
commit 34395be330
1 changed files with 11 additions and 9 deletions
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20
proc/uptime.c
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@ -71,7 +71,6 @@ PROCPS_EXPORT int procps_uptime(
{
double up=0, idle=0;
char *savelocale;
char buf[256];
FILE *fp;
if ((fp = fopen(UPTIME_FILE, "r")) == NULL)
@ -122,19 +121,22 @@ PROCPS_EXPORT char *procps_uptime_sprint(void)
uphours = ((int) uptime_secs / (60*60)) % 24;
upminutes = ((int) uptime_secs / (60)) % 60;
pos = sprintf(upbuf, " %02d:%02d:%02d up %d %s, ",
realtime->tm_hour, realtime->tm_min, realtime->tm_sec,
updays, (updays != 1) ? "days" : "day");
pos = sprintf(upbuf, " %02d:%02d:%02d up ",
realtime->tm_hour, realtime->tm_min, realtime->tm_sec);
if (updays)
pos += sprintf(upbuf + pos, "%d %s", updays, (updays > 1) ? "days" : "day");
if (uphours)
pos += sprintf(upbuf + pos, "%2d:%02d, ", uphours, upminutes);
else
pos += sprintf(upbuf + pos, "%d min, ", uphours, upminutes);
pos += sprintf(upbuf + pos, "%d min, ", upminutes);
users = count_users();
procps_loadavg(&av1, &av5, &av15);
pos += sprintf(upbuf + pos, "%2d user%s, load average: %.2f, %.2f, %.2f",
users, users == 1 ? "" : "s",
pos += sprintf(upbuf + pos, "%2d %s, load average: %.2f, %.2f, %.2f",
users, users > 1 ? "users" : "user",
av1, av5, av15);
return upbuf;
@ -164,7 +166,7 @@ PROCPS_EXPORT char *procps_uptime_sprint_short(void)
upyears = ((int) uptime_secs / (60*60*24*365)) % 10;
upweeks = ((int) uptime_secs / (60*60*24*7)) % 52;
updays = ((int) uptime_secs / (60*60*24)) % 7;
uphours = ((int) uptime_secs / (60*24)) % 24;
uphours = ((int) uptime_secs / (60*60)) % 24;
upminutes = ((int) uptime_secs / (60)) % 60;
strcat(shortbuf, "up ");
@ -172,7 +174,7 @@ PROCPS_EXPORT char *procps_uptime_sprint_short(void)
if (updecades) {
pos += sprintf(shortbuf + pos, "%d %s",
updecades, updecades > 1 ? "decades" : "decade");
comma +1;
comma += 1;
}
if (upyears) {