diff options
Diffstat (limited to 'mdk-stage1/dietlibc/libugly/mktime.c')
-rw-r--r-- | mdk-stage1/dietlibc/libugly/mktime.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libugly/mktime.c b/mdk-stage1/dietlibc/libugly/mktime.c new file mode 100644 index 000000000..ee4dab6c1 --- /dev/null +++ b/mdk-stage1/dietlibc/libugly/mktime.c @@ -0,0 +1,21 @@ +#include <time.h> + +/* seconds per day */ +#define SPD 24*60*60 + +extern unsigned int __spm[]; + +time_t mktime(struct tm *t) { + time_t x=0; + unsigned int i; + if (t->tm_year<70) return (time_t)(-1); + for (i=70; i<t->tm_year; ++i) { + x+=__isleap(i+1900)?366:365; + } + t->tm_yday=__spm[t->tm_mon] + t->tm_mday-1 + ((t->tm_mon>2) && __isleap(t->tm_year)?1:0); + x+=t->tm_yday; + /* x is now the number of days since Jan 1 1970 */ + t->tm_wday=(4+x)%7; + x = x*SPD + t->tm_hour*60*60 + t->tm_min*60 + t->tm_sec; + return x; +} |