libbb: introduce and use xgettimeofday(), do not truncate 64-bit time_t in shells

function                                             old     new   delta
xgettimeofday                                          -      11     +11
get_local_var_value                                  280     281      +1
svlogd_main                                         1323    1322      -1
change_epoch                                          67      66      -1
timestamp_and_log                                    461     458      -3
hwclock_main                                         301     298      -3
fmt_time_bernstein_25                                135     132      -3
step_time                                            331     326      -5
script_main                                         1207    1202      -5
machtime                                              34      28      -6
curtime                                               61      54      -7
ts_main                                              423     415      -8
nmeter_main                                          761     751     -10
gettime1900d                                          67      46     -21
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/12 up/down: 12/-73)           Total: -61 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

3 files changed, 4 insertions, 4 deletions

diff --git a/networking/inetd.c b/networking/inetd.c
index 9f5a436d6..febfb7b73 100644
--- a/networking/inetd.c
+++ b/networking/inetd.c
@@ -1701,7 +1701,7 @@ static uint32_t machtime(void)
 {
         struct timeval tv;
 
-        gettimeofday(&tv, NULL);
+        xgettimeofday(&tv);
         return htonl((uint32_t)(tv.tv_sec + 2208988800U));
 }
 /* ARGSUSED */
diff --git a/networking/ntpd.c b/networking/ntpd.c
index 5a540a391..46d8f3495 100644
--- a/networking/ntpd.c
+++ b/networking/ntpd.c
@@ -560,7 +560,7 @@ static double
 gettime1900d(void)
 {
         struct timeval tv;
-        gettimeofday(&tv, NULL); /* never fails */
+        xgettimeofday(&tv);
         G.cur_time = tv.tv_sec + (1.0e-6 * tv.tv_usec) + OFFSET_1900_1970;
         return G.cur_time;
 }
@@ -1144,7 +1144,7 @@ step_time(double offset)
         char buf[sizeof("yyyy-mm-dd hh:mm:ss") + /*paranoia:*/ 4];
         time_t tval;
 
-        gettimeofday(&tvc, NULL); /* never fails */
+        xgettimeofday(&tvc);
         dtime = tvc.tv_sec + (1.0e-6 * tvc.tv_usec) + offset;
         d_to_tv(dtime, &tvn);
         xsettimeofday(&tvn);
diff --git a/networking/traceroute.c b/networking/traceroute.c
index 3f1a9ab46..bd63e4449 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -505,7 +505,7 @@ send_probe(int seq, int ttl)
                 struct outdata6_t *pkt = (void *) outdata;
                 pkt->ident6 = ident;
                 pkt->seq6   = htonl(seq);
-                /*gettimeofday(&pkt->tv, &tz);*/
+                /*xgettimeofday(&pkt->tv);*/
                 icp = outicmp6;
         } else
 #endif