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libc.obj: fixed asctime() format and UTC mktime() bug.

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git-svn-id: svn://kolibrios.org@9260 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
turbocat 2021-11-07 19:29:12 +00:00
parent 2eddf0b1c0
commit f0928164bd
3 changed files with 19 additions and 14 deletions
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23
programs/develop/ktcc/trunk/libc.obj/source/time/asctime.c
View File

@ -1,3 +1,4 @@
#include "stddef.h"
#include <errno.h>
#include <stdlib.h>
#include <time.h>
@ -9,18 +10,24 @@ const char *mon_str[12]={"Jan", "Feb", "Mar", "Ap", "May", "Jun", "Jul", "Aug",
#pragma GCC push_options
#pragma GCC optimize("O0")
#define TIME_STR_MAX 27
char *asctime(const struct tm *tm){
static char time_str[30];
if(tm->tm_wday>7 || tm->tm_wday<1 || tm->tm_mon<1 || tm->tm_mon>12){
if(!tm){
errno = EINVAL;
return NULL;
}
snprintf(time_str, 26, "%.3s %.3s%3d %2d:%2d:%2d %d\n",
wday_str[tm->tm_wday-1],
mon_str[tm->tm_mon-1],
tm->tm_mday, tm->tm_hour,
tm->tm_min, tm->tm_sec,
1900 + tm->tm_year
if(tm->tm_wday>6 || tm->tm_wday<0 || tm->tm_mon<0 || tm->tm_mon>11){
errno = EINVAL;
return NULL;
}
static char time_str[TIME_STR_MAX];
snprintf(time_str, TIME_STR_MAX-1, "%.3s %.3s%3d %02d:%02d:%02d %d\n",
wday_str[tm->tm_wday],
mon_str[tm->tm_mon],
tm->tm_mday, tm->tm_hour,
tm->tm_min, tm->tm_sec,
1900 + tm->tm_year
);
return time_str;
}

6
programs/develop/ktcc/trunk/libc.obj/source/time/mktime.c
View File

@ -2,7 +2,7 @@
time_t mktime (struct tm * timeptr)
{
int utcdiff = -3;
// int utcdiff = -3;
const int mon_days [] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
unsigned long int tyears, tdays, leaps, utc_hrs;
int i;
@ -17,7 +17,7 @@ time_t mktime (struct tm * timeptr)
tdays += timeptr->tm_mday-1; // days of month passed.
tdays = tdays + (tyears * 365) + leaps;
utc_hrs = timeptr->tm_hour + utcdiff; // for your time zone.
return (tdays * 86400) + (utc_hrs * 3600) + (timeptr->tm_min * 60) + timeptr->tm_sec;
// utc_hrs = timeptr->tm_hour + utcdiff; // for your time zone.
return (tdays * 86400) + (timeptr->tm_hour * 3600) + (timeptr->tm_min * 60) + timeptr->tm_sec;
}

4
programs/develop/ktcc/trunk/libc.obj/source/time/time.c
View File

@ -1,9 +1,8 @@
#include <time.h>
#include <sys/ksys.h>
static struct tm __buffertime;
time_t time(time_t *timer){
static struct tm __buffertime;
int kos_date, kos_time;
kos_date = _ksys_get_date().val;
kos_time = _ksys_get_time().val;
@ -29,6 +28,5 @@ time_t time(time_t *timer){
if(timer){
*timer=ret;
}
return ret;
}