Promote hwclock.

1 files changed, 0 insertions, 136 deletions

diff --git a/toys/pending/hwclock.c b/toys/pending/hwclock.c
deleted file mode 100644
index d87266af..00000000
--- a/toys/pending/hwclock.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/* hwclock.c - get and set the hwclock
- *
- * Copyright 2014 Bilal Qureshi <bilal.jmi@gmail.com>
- *
- * No standard, but see Documentation/rtc.txt in the linux kernel source..
- *
-USE_HWCLOCK(NEWTOY(hwclock, ">0(fast)f(rtc):u(utc)l(localtime)t(systz)s(hctosys)r(show)w(systohc)[-ul][!rtsw]", TOYFLAG_USR|TOYFLAG_BIN))
-
-config HWCLOCK
-  bool "hwclock"
-  default n
-  help
-    usage: hwclock [-rswtluf]
-
-    -f FILE Use specified device file instead of /dev/rtc (--rtc)
-    -l      Hardware clock uses localtime (--localtime)
-    -r      Show hardware clock time (--show)
-    -s      Set system time from hardware clock (--hctosys)
-    -t      Set the system time based on the current timezone (--systz)
-    -u      Hardware clock uses UTC (--utc)
-    -w      Set hardware clock from system time (--systohc)
-*/
-
-#define FOR_hwclock
-#include "toys.h"
-#include <linux/rtc.h>
-
-GLOBALS(
-  char *fname;
-
-  int utc;
-)
-
-static int rtc_find(struct dirtree* node)
-{
-  FILE *fp;
-
-  if (!node->parent) return DIRTREE_RECURSE;
-
-  snprintf(toybuf, sizeof(toybuf), "/sys/class/rtc/%s/hctosys", node->name);
-  fp = fopen(toybuf, "r");
-  if (fp) {
-    int hctosys = 0, items = fscanf(fp, "%d", &hctosys);
-
-    fclose(fp);
-    if (items == 1 && hctosys == 1) {
-      snprintf(toybuf, sizeof(toybuf), "/dev/%s", node->name);
-      TT.fname = toybuf;
-
-      return DIRTREE_ABORT;
-    }
-  }
-
-  return 0;
-}
-
-void hwclock_main()
-{
-  struct timezone tzone;
-  struct timeval timeval;
-  struct tm tm;
-  time_t time;
-  int fd = -1;
-
-  // check for Grenich Mean Time
-  if (toys.optflags & FLAG_u) TT.utc = 1;
-  else {
-    FILE *fp;
-    char *s = 0;
-
-    for (fp = fopen("/etc/adjtime", "r");
-         fp && getline(&s, (void *)toybuf, fp)>0;
-         free(s), s = 0) TT.utc += !strncmp(s, "UTC", 3);
-    if (fp) fclose(fp);
-  }
-
-  if (!(toys.optflags&FLAG_t)) {
-    int w = toys.optflags & FLAG_w, flag = O_WRONLY*w;
-
-    // Open /dev/rtc (if your system has no /dev/rtc symlink, search for it).
-    if (!TT.fname && (fd = open("/dev/rtc", flag)) == -1) {
-      dirtree_read("/sys/class/rtc", rtc_find);
-      if (!TT.fname) TT.fname = "/dev/misc/rtc";
-    }
-    if (fd == -1) fd = xopen(TT.fname, flag);
-
-    // Get current time in seconds from rtc device. todo: get subsecond time
-    if (!w) {
-      char *s = s;
-
-      xioctl(fd, RTC_RD_TIME, &tm);
-      if (TT.utc) s = xtzset("UTC0");
-      if ((time = mktime(&tm)) < 0) error_exit("mktime failed");
-      if (TT.utc) {
-        free(xtzset(s));
-        free(s);
-      }
-    }
-  }
-
-  if (toys.optflags & (FLAG_w|FLAG_t)) {
-    if (gettimeofday(&timeval, 0)) perror_exit("gettimeofday failed");
-    if (!(TT.utc ? gmtime_r : localtime_r)(&timeval.tv_sec, &tm))
-      error_exit(TT.utc ? "gmtime_r failed" : "localtime_r failed");
-  }
-
-  if (toys.optflags & FLAG_w) {
-    /* The value of tm_isdst will positive if daylight saving time is in effect,
-     * zero if it is not and negative if the information is not available. 
-     * todo: so why isn't this negative...? */
-    tm.tm_isdst = 0;
-    xioctl(fd, RTC_SET_TIME, &tm);
-  } else if (toys.optflags & FLAG_s) {
-    tzone.tz_minuteswest = timezone / 60 - 60 * daylight;
-    timeval.tv_sec = time;
-    timeval.tv_usec = 0; // todo: fixit
-  } else if (toys.optflags & FLAG_t) {
-    // Adjust seconds for timezone and daylight saving time
-    // extern long timezone is defined in header sys/time.h
-    tzone.tz_minuteswest = timezone / 60;
-    if (tm.tm_isdst) tzone.tz_minuteswest -= 60;
-    if (!TT.utc) timeval.tv_sec += tzone.tz_minuteswest * 60;
-  } else {
-    char *c = ctime(&time), *s = strrchr(c, '\n');
-
-    if (s) *s = '\0';
-    // TODO: implement this.
-    xprintf("%s  0.000000 seconds\n", c);
-  }
-  if (toys.optflags & (FLAG_t|FLAG_s)) {
-    tzone.tz_dsttime = 0;
-    if (settimeofday(&timeval, &tzone)) perror_exit("settimeofday failed");
-  }
-
-  if (fd != -1) close(fd);
-}