From 5ab9c1c10322a4db21349555d901646259d26d6f Mon Sep 17 00:00:00 2001
From: sin <sin@2f30.org>
Date: Thu, 6 Feb 2014 12:01:00 +0000
Subject: Factor out the rc commands

---
 config.def.h   | 11 +++++++++--
 sinit.c        | 24 ++++++------------------
 util.h         |  1 +
 util/eprintf.c |  1 +
 4 files changed, 17 insertions(+), 20 deletions(-)

diff --git a/config.def.h b/config.def.h
index 050d7e0..a257b45 100644
--- a/config.def.h
+++ b/config.def.h
@@ -1,6 +1,13 @@
 /* See LICENSE file for copyright and license details. */
+
+static const char *rcinitcmd[] = { "/bin/rc.init", NULL };
+static Arg rcinitarg = { .v = rcinitcmd };
+
+static const char *rcrebootcmd[] = { "/bin/rc.shutdown", "reboot", NULL };
+static const char *rcpoweroffcmd[] = { "/bin/rc.shutdown", "poweroff", NULL };
+
 static const char *fifopath = "/var/run/sinit.fifo";
 static Command commands[] = {
-	{ "poweroff",   cmdpoweroff,   {0} },
-	{ "reboot",     cmdreboot,     {0} },
+	{ "poweroff",        spawn,        { .v = rcpoweroffcmd } },
+	{ "reboot",          spawn,        { .v = rcrebootcmd   } },
 };
diff --git a/sinit.c b/sinit.c
index 69fd43e..a398e6e 100644
--- a/sinit.c
+++ b/sinit.c
@@ -1,4 +1,5 @@
 /* See LICENSE file for copyright and license details. */
+
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -23,10 +24,8 @@ typedef struct {
         const Arg arg;
 } Command;
 
-static void cmdpoweroff(const Arg *);
-static void cmdreboot(const Arg *);
 static void dispatchcmd(int);
-static void spawn(const char *, char *const []);
+static void spawn(const Arg *);
 
 #include "config.h"
 
@@ -53,7 +52,7 @@ main(void)
 
 	sigprocmask(SIG_UNBLOCK, &set, 0);
 
-	spawn("/bin/rc.init", (char *[]){ "rc.init", NULL });
+	spawn(&rcinitarg);
 
 	unlink(fifopath);
 	umask(0);
@@ -78,18 +77,6 @@ main(void)
 	return EXIT_SUCCESS;
 }
 
-static void
-cmdpoweroff(const Arg *arg)
-{
-	spawn("/bin/rc.shutdown", (char *[]) { "rc", "poweroff", NULL });
-}
-
-static void
-cmdreboot(const Arg *arg)
-{
-	spawn("/bin/rc.shutdown", (char *[]) { "rc", "reboot", NULL });
-}
-
 static void
 dispatchcmd(int fd)
 {
@@ -113,9 +100,10 @@ dispatchcmd(int fd)
 }
 
 static void
-spawn(const char *file, char *const argv[])
+spawn(const Arg *arg)
 {
 	pid_t pid;
+	const char *p = arg->v;
 
 	pid = fork();
 	if (pid < 0)
@@ -123,7 +111,7 @@ spawn(const char *file, char *const argv[])
 	if (pid == 0) {
 		setsid();
 		setpgid(0, 0);
-		execvp(file, argv);
+		execvp(p, arg->v);
 		_exit(errno == ENOENT ? 127 : 126);
 	}
 }
diff --git a/util.h b/util.h
index af96e0e..3ce02d1 100644
--- a/util.h
+++ b/util.h
@@ -1,4 +1,5 @@
 /* See LICENSE file for copyright and license details. */
+
 #define LEN(x) (sizeof (x) / sizeof *(x))
 
 void enprintf(int, const char *, ...);
diff --git a/util/eprintf.c b/util/eprintf.c
index af05686..8dda0c8 100644
--- a/util/eprintf.c
+++ b/util/eprintf.c
@@ -1,4 +1,5 @@
 /* See LICENSE file for copyright and license details. */
+
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
-- 
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