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https://github.com/sheumann/hush.git
synced 2024-12-21 23:29:34 +00:00
we need to pass back the rtc device name that was actually used so that we can turn around and check its sysfs status
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parent
ea915363e7
commit
977bc6a137
@ -10,7 +10,7 @@
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#include "libbb.h"
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extern int rtc_adjtime_is_utc(void);
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extern int rtc_xopen(const char *default_rtc, int flags);
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extern int rtc_xopen(const char **default_rtc, int flags);
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extern time_t rtc_read_time(int fd, int utc);
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14
libbb/rtc.c
14
libbb/rtc.c
@ -40,21 +40,23 @@ int rtc_adjtime_is_utc(void)
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return utc;
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}
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int rtc_xopen(const char *default_rtc, int flags)
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int rtc_xopen(const char **default_rtc, int flags)
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{
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int rtc;
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if (!default_rtc) {
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rtc = open("/dev/rtc", flags);
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if (!*default_rtc) {
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*default_rtc = "/dev/rtc";
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rtc = open(*default_rtc, flags);
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if (rtc >= 0)
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return rtc;
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rtc = open("/dev/rtc0", flags);
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*default_rtc = "/dev/rtc0";
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rtc = open(*default_rtc, flags);
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if (rtc >= 0)
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return rtc;
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default_rtc = "/dev/misc/rtc";
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*default_rtc = "/dev/misc/rtc";
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}
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return xopen(default_rtc, flags);
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return xopen(*default_rtc, flags);
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}
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time_t rtc_read_time(int fd, int utc)
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@ -25,7 +25,7 @@ static time_t read_rtc(int utc)
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time_t ret;
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int fd;
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fd = rtc_xopen(rtcname, O_RDONLY);
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fd = rtc_xopen(&rtcname, O_RDONLY);
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ret = rtc_read_time(fd, utc);
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close(fd);
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@ -35,7 +35,7 @@ static time_t read_rtc(int utc)
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static void write_rtc(time_t t, int utc)
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{
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struct tm tm;
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int rtc = rtc_xopen(rtcname, O_WRONLY);
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int rtc = rtc_xopen(&rtcname, O_WRONLY);
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tm = *(utc ? gmtime(&t) : localtime(&t));
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tm.tm_isdst = 0;
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@ -45,7 +45,7 @@ static int may_wakeup(const char *rtcname)
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return 0;
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/* wakeup events could be disabled or not supported */
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return strcmp(buf, "enabled\n") == 0;
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return strncmp(buf, "enabled\n", 8) == 0;
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}
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static void setup_alarm(int fd, time_t *wakeup)
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@ -159,11 +159,11 @@ int rtcwake_main(int argc, char **argv)
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/* the rtcname is relative to /dev */
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xchdir("/dev");
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if (strcmp(suspend, "on") != 0 && !may_wakeup(rtcname))
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bb_error_msg_and_die("%s not enabled for wakeup events", rtcname);
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/* this RTC must exist and (if we'll sleep) be wakeup-enabled */
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fd = rtc_xopen(rtcname, O_RDONLY);
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fd = rtc_xopen(&rtcname, O_RDONLY);
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if (strcmp(suspend, "on") && !may_wakeup(rtcname))
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bb_error_msg_and_die("%s not enabled for wakeup events", rtcname);
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/* relative or absolute alarm time, normalized to time_t */
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sys_time = time(0);
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@ -184,7 +184,7 @@ int rtcwake_main(int argc, char **argv)
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fflush(stdout);
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usleep(10 * 1000);
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if (!strcmp(suspend, "on"))
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if (strcmp(suspend, "on"))
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suspend_system(suspend);
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else {
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/* "fake" suspend ... we'll do the delay ourselves */
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