/*
* Common RTC functions
*
- * Licensed under GPLv2, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2, see file LICENSE in this source tree.
*/
#include "libbb.h"
FILE *f = fopen_for_read(ADJTIME_PATH);
if (f) {
- RESERVE_CONFIG_BUFFER(buffer, 128);
+ char buffer[128];
while (fgets(buffer, sizeof(buffer), f)) {
- int len = strlen(buffer);
-
- while (len && isspace(buffer[len - 1]))
- len--;
-
- buffer[len] = 0;
-
if (strncmp(buffer, "UTC", 3) == 0) {
utc = 1;
break;
}
}
fclose(f);
-
- RELEASE_CONFIG_BUFFER(buffer);
}
return utc;
return xopen(*default_rtc, flags);
}
-time_t FAST_FUNC rtc_read_time(int fd, int utc)
+void FAST_FUNC rtc_read_tm(struct tm *ptm, int fd)
{
- struct tm tm;
- char *oldtz = 0;
- time_t t = 0;
+ memset(ptm, 0, sizeof(*ptm));
+ xioctl(fd, RTC_RD_TIME, ptm);
+ ptm->tm_isdst = -1; /* "not known" */
+}
- memset(&tm, 0, sizeof(struct tm));
- xioctl(fd, RTC_RD_TIME, &tm);
- tm.tm_isdst = -1; /* not known */
+time_t FAST_FUNC rtc_tm2time(struct tm *ptm, int utc)
+{
+ char *oldtz = oldtz; /* for compiler */
+ time_t t;
if (utc) {
oldtz = getenv("TZ");
tzset();
}
- t = mktime(&tm);
+ t = mktime(ptm);
if (utc) {
unsetenv("TZ");