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date: factor out date parsing (in preparation for touch -d)

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function                                             old     new   delta
parse_datestr                                          -     391    +391
sha512_process_block128                             1283    1310     +27
buffer_fill_and_print                                179     196     +17
nexpr                                                826     840     +14
unzip_main                                          1931    1939      +8
popstring                                            134     140      +6
qrealloc                                              33      36      +3
builtin_umask                                        121     123      +2
evalvar                                             1365    1363      -2
changepath                                           194     192      -2
do_compress                                         1698    1688     -10
hwclock_main                                         340     329     -11
cmdputs                                              414     402     -12
identify                                            4343    4329     -14
date_main                                           1186     687    -499
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 7/7 up/down: 468/-550)          Total: -82 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-07-18 03:40:35 +02:00
parent d23f64eba7
commit 73b71f381d
5 changed files with 126 additions and 84 deletions
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5
util-linux/hwclock.c
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@@ -36,7 +36,10 @@ static void write_rtc(time_t t, int utc)
struct tm tm;
int rtc = rtc_xopen(&rtcname, O_WRONLY);
tm = *(utc ? gmtime(&t) : localtime(&t));
if (utc)
gmtime_r(&t, &tm);
else
localtime_r(&t, &tm);
tm.tm_isdst = 0;
xioctl(rtc, RTC_SET_TIME, &tm);