diff options
author | Mike Frysinger <vapier@gentoo.org> | 2008-02-15 10:19:03 +0300 |
---|---|---|
committer | Mike Frysinger <vapier@gentoo.org> | 2008-02-15 10:19:03 +0300 |
commit | 977bc6a1374ed468ec96e2202757be0c8b3592ed (patch) | |
tree | 00cd5d36831b37f1b941f38f87884d80f7e04409 | |
parent | ea915363e747d4e42215016ceaef4b19e01baf55 (diff) |
we need to pass back the rtc device name that was actually used so that we can turn around and check its sysfs status
-rw-r--r-- | include/rtc_.h | 2 | ||||
-rw-r--r-- | libbb/rtc.c | 14 | ||||
-rw-r--r-- | util-linux/hwclock.c | 4 | ||||
-rw-r--r-- | util-linux/rtcwake.c | 12 |
4 files changed, 17 insertions, 15 deletions
diff --git a/include/rtc_.h b/include/rtc_.h index 50b60dd29..df359da74 100644 --- a/include/rtc_.h +++ b/include/rtc_.h @@ -10,7 +10,7 @@ #include "libbb.h" extern int rtc_adjtime_is_utc(void); -extern int rtc_xopen(const char *default_rtc, int flags); +extern int rtc_xopen(const char **default_rtc, int flags); extern time_t rtc_read_time(int fd, int utc); diff --git a/libbb/rtc.c b/libbb/rtc.c index 4cbf32206..78f10c65d 100644 --- a/libbb/rtc.c +++ b/libbb/rtc.c @@ -40,21 +40,23 @@ int rtc_adjtime_is_utc(void) return utc; } -int rtc_xopen(const char *default_rtc, int flags) +int rtc_xopen(const char **default_rtc, int flags) { int rtc; - if (!default_rtc) { - rtc = open("/dev/rtc", flags); + if (!*default_rtc) { + *default_rtc = "/dev/rtc"; + rtc = open(*default_rtc, flags); if (rtc >= 0) return rtc; - rtc = open("/dev/rtc0", flags); + *default_rtc = "/dev/rtc0"; + rtc = open(*default_rtc, flags); if (rtc >= 0) return rtc; - default_rtc = "/dev/misc/rtc"; + *default_rtc = "/dev/misc/rtc"; } - return xopen(default_rtc, flags); + return xopen(*default_rtc, flags); } time_t rtc_read_time(int fd, int utc) diff --git a/util-linux/hwclock.c b/util-linux/hwclock.c index b581d2604..f226535fa 100644 --- a/util-linux/hwclock.c +++ b/util-linux/hwclock.c @@ -25,7 +25,7 @@ static time_t read_rtc(int utc) time_t ret; int fd; - fd = rtc_xopen(rtcname, O_RDONLY); + fd = rtc_xopen(&rtcname, O_RDONLY); ret = rtc_read_time(fd, utc); close(fd); @@ -35,7 +35,7 @@ static time_t read_rtc(int utc) static void write_rtc(time_t t, int utc) { struct tm tm; - int rtc = rtc_xopen(rtcname, O_WRONLY); + int rtc = rtc_xopen(&rtcname, O_WRONLY); tm = *(utc ? gmtime(&t) : localtime(&t)); tm.tm_isdst = 0; diff --git a/util-linux/rtcwake.c b/util-linux/rtcwake.c index c7d5a4c12..2b1ab1fca 100644 --- a/util-linux/rtcwake.c +++ b/util-linux/rtcwake.c @@ -45,7 +45,7 @@ static int may_wakeup(const char *rtcname) return 0; /* wakeup events could be disabled or not supported */ - return strcmp(buf, "enabled\n") == 0; + return strncmp(buf, "enabled\n", 8) == 0; } static void setup_alarm(int fd, time_t *wakeup) @@ -159,11 +159,11 @@ int rtcwake_main(int argc, char **argv) /* the rtcname is relative to /dev */ xchdir("/dev"); - if (strcmp(suspend, "on") != 0 && !may_wakeup(rtcname)) - bb_error_msg_and_die("%s not enabled for wakeup events", rtcname); - /* this RTC must exist and (if we'll sleep) be wakeup-enabled */ - fd = rtc_xopen(rtcname, O_RDONLY); + fd = rtc_xopen(&rtcname, O_RDONLY); + + if (strcmp(suspend, "on") && !may_wakeup(rtcname)) + bb_error_msg_and_die("%s not enabled for wakeup events", rtcname); /* relative or absolute alarm time, normalized to time_t */ sys_time = time(0); @@ -184,7 +184,7 @@ int rtcwake_main(int argc, char **argv) fflush(stdout); usleep(10 * 1000); - if (!strcmp(suspend, "on")) + if (strcmp(suspend, "on")) suspend_system(suspend); else { /* "fake" suspend ... we'll do the delay ourselves */ |