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minilibc: 

Fix a bug in time functions


git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1520 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
onelife.real 2011-06-17 03:24:04 +00:00
parent 6904f495e1
commit e74ca7fc9f
1 changed files with 4 additions and 3 deletions
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7
components/libc/minilibc/time.c
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@ -70,7 +70,7 @@ struct tm *gmtime_r(const time_t *timep, struct tm *r)
struct tm* localtime_r(const time_t* t, struct tm* r)
{
time_t tmp;
struct timezone tz;
struct timezone tz = {0};
gettimeofday(0, &tz);
timezone = tz.tz_minuteswest * 60L;
tmp = *t + timezone;
@ -134,8 +134,9 @@ time_t timegm(struct tm * const t)
This is not intuitive. Most mktime implementations do not support
dates after 2059, anyway, so we might leave this out for it's
bloat. */
if ((years -= 131) >= 0)
if (years >= 131)
{
years -= 131;
years /= 100;
day -= (years >> 2) * 3 + 1;
if ((years &= 3) == 3)
@ -159,7 +160,7 @@ time_t timegm(struct tm * const t)
time_t mktime(register struct tm* const t)
{
time_t x = timegm(t);
struct timezone tz;
struct timezone tz = {0};
gettimeofday(0, &tz);
timezone = tz.tz_minuteswest * 60L;
x += timezone;