diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2020-12-30 23:48:01 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2020-12-30 23:48:01 +0100 |
| commit | 3c13da3dab539eac948de48640d8862857d0c8d0 (patch) | |
| tree | 9cf3ae59b79ca89cbcfe08ce6b2b121f37d54a66 /libbb | |
| parent | 89a55972fd5d7f0ab815c2a62be69a8f34718353 (diff) | |
| download | busybox-3c13da3dab539eac948de48640d8862857d0c8d0.tar.gz | |
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>
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/time.c | 6 | ||||
| -rw-r--r-- | libbb/xfuncs_printf.c | 11 |
2 files changed, 14 insertions, 3 deletions
diff --git a/libbb/time.c b/libbb/time.c index 74a69eefb..cf5f2e5c8 100644 --- a/libbb/time.c +++ b/libbb/time.c @@ -291,19 +291,19 @@ unsigned FAST_FUNC monotonic_sec(void) unsigned long long FAST_FUNC monotonic_ns(void) { struct timeval tv; - gettimeofday(&tv, NULL); + xgettimeofday(&tv); return tv.tv_sec * 1000000000ULL + tv.tv_usec * 1000; } unsigned long long FAST_FUNC monotonic_us(void) { struct timeval tv; - gettimeofday(&tv, NULL); + xgettimeofday(&tv); return tv.tv_sec * 1000000ULL + tv.tv_usec; } unsigned long long FAST_FUNC monotonic_ms(void) { struct timeval tv; - gettimeofday(&tv, NULL); + xgettimeofday(&tv); return tv.tv_sec * 1000ULL + tv.tv_usec / 1000; } unsigned FAST_FUNC monotonic_sec(void) diff --git a/libbb/xfuncs_printf.c b/libbb/xfuncs_printf.c index aea995a5c..99596b9d0 100644 --- a/libbb/xfuncs_printf.c +++ b/libbb/xfuncs_printf.c @@ -720,3 +720,14 @@ void FAST_FUNC xsettimeofday(const struct timeval *tv) if (settimeofday(tv, NULL)) bb_simple_perror_msg_and_die("settimeofday"); } + +void FAST_FUNC xgettimeofday(struct timeval *tv) +{ +#if 0 + if (gettimeofday(tv, NULL)) + bb_simple_perror_msg_and_die("gettimeofday"); +#else + /* Never fails on Linux */ + gettimeofday(tv, NULL); +#endif +} |