133 lines
3.1 KiB
C
133 lines
3.1 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <fcntl.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <time.h>
|
|
#include <linux/android_alarm.h>
|
|
|
|
static void settime(char *s) {
|
|
struct tm tm;
|
|
int day = atoi(s);
|
|
int hour;
|
|
time_t t;
|
|
int fd;
|
|
struct timespec ts;
|
|
|
|
while (*s && *s != '.')
|
|
s++;
|
|
|
|
if (*s)
|
|
s++;
|
|
|
|
hour = atoi(s);
|
|
|
|
tm.tm_year = day / 10000 - 1900;
|
|
tm.tm_mon = (day % 10000) / 100 - 1;
|
|
tm.tm_mday = (day % 100);
|
|
tm.tm_hour = hour / 10000;
|
|
tm.tm_min = (hour % 10000) / 100;
|
|
tm.tm_sec = (hour % 100);
|
|
tm.tm_isdst = -1;
|
|
|
|
t = mktime(&tm);
|
|
|
|
fd = open("/dev/alarm", O_RDWR);
|
|
ts.tv_sec = t;
|
|
ts.tv_nsec = 0;
|
|
ioctl(fd, ANDROID_ALARM_SET_RTC, &ts);
|
|
}
|
|
|
|
int date_main(int argc, char *argv[])
|
|
{
|
|
int c;
|
|
int res;
|
|
struct tm tm;
|
|
time_t t;
|
|
struct timeval tv;
|
|
struct timespec ts;
|
|
char strbuf[260];
|
|
int fd;
|
|
|
|
int useutc = 0;
|
|
|
|
tzset();
|
|
|
|
do {
|
|
c = getopt(argc, argv, "us:");
|
|
if (c == EOF)
|
|
break;
|
|
switch (c) {
|
|
case 'u':
|
|
useutc = 1;
|
|
break;
|
|
case 's':
|
|
settime(optarg);
|
|
break;
|
|
case '?':
|
|
fprintf(stderr, "%s: invalid option -%c\n",
|
|
argv[0], optopt);
|
|
exit(1);
|
|
}
|
|
} while (1);
|
|
if(optind + 2 < argc) {
|
|
fprintf(stderr,"%s [-u] [date]\n", argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
int hasfmt = argc == optind + 1 && argv[optind][0] == '+';
|
|
if(optind == argc || hasfmt) {
|
|
char buf[2000];
|
|
time(&t);
|
|
if (useutc) {
|
|
gmtime_r(&t, &tm);
|
|
strftime(strbuf, sizeof(strbuf),
|
|
(hasfmt ? argv[optind] + 1 : "%a %b %e %H:%M:%S GMT %Y"),
|
|
&tm);
|
|
} else {
|
|
localtime_r(&t, &tm);
|
|
strftime(strbuf, sizeof(strbuf),
|
|
(hasfmt ? argv[optind] + 1 : "%a %b %e %H:%M:%S %Z %Y"),
|
|
&tm);
|
|
}
|
|
printf("%s\n", strbuf);
|
|
}
|
|
else if(optind + 1 == argc) {
|
|
#if 0
|
|
struct tm *tmptr;
|
|
tmptr = getdate(argv[optind]);
|
|
if(tmptr == NULL) {
|
|
fprintf(stderr,"getdate_r failed\n");
|
|
return 1;
|
|
}
|
|
tm = *tmptr;
|
|
#if 0
|
|
if(getdate_r(argv[optind], &tm) < 0) {
|
|
fprintf(stderr,"getdate_r failed %s\n", strerror(errno));
|
|
return 1;
|
|
}
|
|
#endif
|
|
#endif
|
|
//strptime(argv[optind], NULL, &tm);
|
|
//tv.tv_sec = mktime(&tm);
|
|
//tv.tv_usec = 0;
|
|
strtotimeval(argv[optind], &tv);
|
|
printf("time %s -> %d.%d\n", argv[optind], tv.tv_sec, tv.tv_usec);
|
|
fd = open("/dev/alarm", O_RDWR);
|
|
ts.tv_sec = tv.tv_sec;
|
|
ts.tv_nsec = tv.tv_usec * 1000;
|
|
res = ioctl(fd, ANDROID_ALARM_SET_RTC, &ts);
|
|
//res = settimeofday(&tv, NULL);
|
|
if(res < 0) {
|
|
fprintf(stderr,"settimeofday failed %s\n", strerror(errno));
|
|
return 1;
|
|
}
|
|
}
|
|
else {
|
|
fprintf(stderr,"%s [-s 20070325.123456] [-u] [date]\n", argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|