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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) struct tm* localtime_r(const time_t* t, struct tm* r)
{ {
time_t tmp; time_t tmp;
struct timezone tz; struct timezone tz = {0};
gettimeofday(0, &tz); gettimeofday(0, &tz);
timezone = tz.tz_minuteswest * 60L; timezone = tz.tz_minuteswest * 60L;
tmp = *t + timezone; tmp = *t + timezone;
@ -134,8 +134,9 @@ time_t timegm(struct tm * const t)
This is not intuitive. Most mktime implementations do not support This is not intuitive. Most mktime implementations do not support
dates after 2059, anyway, so we might leave this out for it's dates after 2059, anyway, so we might leave this out for it's
bloat. */ bloat. */
if ((years -= 131) >= 0) if (years >= 131)
{ {
years -= 131;
years /= 100; years /= 100;
day -= (years >> 2) * 3 + 1; day -= (years >> 2) * 3 + 1;
if ((years &= 3) == 3) 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 mktime(register struct tm* const t)
{ {
time_t x = timegm(t); time_t x = timegm(t);
struct timezone tz; struct timezone tz = {0};
gettimeofday(0, &tz); gettimeofday(0, &tz);
timezone = tz.tz_minuteswest * 60L; timezone = tz.tz_minuteswest * 60L;
x += timezone; x += timezone;