From 96893711ec76b3c3b554313d7e97560b3cd62179 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Thu, 17 Mar 2016 14:06:46 +0000
Subject:  Add halt, poweroff, reboot as unexported commands

---
 src/minutils/hpr.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/minutils/hpr.c

(limited to 'src/minutils/hpr.c')

diff --git a/src/minutils/hpr.c b/src/minutils/hpr.c
new file mode 100644
index 0000000..d78470e
--- /dev/null
+++ b/src/minutils/hpr.c
@@ -0,0 +1,49 @@
+/* ISC license. */
+
+#include <unistd.h>
+#include <signal.h>
+#include <sys/reboot.h>
+#include <skalibs/strerr2.h>
+#include <skalibs/sgetopt.h>
+
+#define USAGE PROGNAME " [ -h | -p | -r ] [ -f ] [ -w | -d ]"
+
+int main (int argc, char const *const *argv)
+{
+  int what = WHATDEFAULT ;
+  int force = 0 ;
+  PROG = PROGNAME ;
+
+  {
+    subgetopt_t l = SUBGETOPT_ZERO ;
+    for (;;)
+    {
+      register int opt = subgetopt_r(argc, argv, "hprfwd", &l) ;
+      if (opt == -1) break ;
+      switch (opt)
+      {
+        case 'h' : what = 1 ; break ;
+        case 'p' : what = 2 ; break ;
+        case 'r' : what = 3 ; break ;
+        case 'f' : force = 1 ; break ;
+        case 'w' : what = 0 ; break ;
+        case 'd' : break ;
+        default : strerr_dieusage(100, USAGE) ;
+      }
+    }
+    argc -= l.ind ; argv += l.ind ;
+  }
+
+  if (what)
+  {
+    if (force)
+    {
+      sync() ;
+      reboot(what == 3 ? RB_AUTOBOOT : what == 2 ? RB_POWER_OFF : RB_HALT_SYSTEM) ;
+      strerr_diefu1sys(111, "reboot()") ;
+    }
+    else if (kill(1, what == 3 ? SIGINT : what == 2 ? SIGUSR1 : SIGUSR2) < 0)
+      strerr_diefu1sys(111, "signal process 1") ;
+  }
+  return 0 ;
+}
-- 
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