From be8d5841618808420cbbf20e7d5349d71a958b29 Mon Sep 17 00:00:00 2001
From: Jesse Smith <jsmith@resonatingmedia.com>
Date: Sun, 9 Dec 2018 19:32:04 -0400
Subject: [PATCH] Added some defines and compile-time conditionals to make some
 components of sysvinit compile on FreeBSD.

---
 doc/Changelog  |  3 ++-
 src/bootlogd.c |  8 ++++++++
 src/init.c     | 20 +++++++++++++++++---
 src/init.h     |  9 +++++++++
 src/shutdown.c |  7 +++++++
 src/utmp.c     |  4 ++++
 6 files changed, 47 insertions(+), 4 deletions(-)

diff --git a/doc/Changelog b/doc/Changelog
index 7328a1d..8008200 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -13,7 +13,8 @@ sysvinit (2.94) unreleased; urgency=low
       is taken.
     * Removed unnecessary malloc.h includes. Memory allocation
       and freeing is now handled in stdlib.h
-
+    * Added defines for FreeBSD to make some components compile
+      on FreeBSD 11.
 
 sysvinit (2.93) released; urgency=low
 
diff --git a/src/bootlogd.c b/src/bootlogd.c
index 2b32744..bf3983c 100644
--- a/src/bootlogd.c
+++ b/src/bootlogd.c
@@ -47,7 +47,15 @@
 #include <getopt.h>
 #include <dirent.h>
 #include <fcntl.h>
+#ifdef __linux__
 #include <pty.h>
+#endif
+
+#ifdef __FreeBSD__
+#include <termios.h>
+#include <libutil.h>
+#endif
+
 #include <ctype.h>
 #ifdef __linux__
 #include <sys/mount.h>
diff --git a/src/init.c b/src/init.c
index 0a56111..f877444 100644
--- a/src/init.c
+++ b/src/init.c
@@ -52,7 +52,11 @@ Version information is not placed in the top-level Makefile by default
 #include <string.h>
 #include <signal.h>
 #include <termios.h>
+#ifdef __FreeBSD__
+#include <utmpx.h>
+#else
 #include <utmp.h>
+#endif
 #include <ctype.h>
 #include <stdarg.h>
 #include <sys/ttydefaults.h>
@@ -62,6 +66,9 @@ Version information is not placed in the top-level Makefile by default
 #ifdef WITH_SELINUX
 #  include <selinux/selinux.h>
 #endif
+#ifdef __FreeBSD__
+extern char **environ;
+#endif
 
 #ifdef __i386__
 #  ifdef __GLIBC__
@@ -521,8 +528,12 @@ int receive_state(int fd)
  *	Set the process title.
  */
 #ifdef __GNUC__
+#ifndef __FreeBSD__
 __attribute__ ((format (printf, 1, 2)))
 #endif
+#endif
+/* This function already exists on FreeBSD. No need to delcare it. */
+#ifndef __FreeBSD__
 static int setproctitle(char *fmt, ...)
 {
 	va_list ap;
@@ -542,6 +553,7 @@ static int setproctitle(char *fmt, ...)
 
 	return len;
 }
+#endif
 
 /*
  *	Set console_dev to a working console.
@@ -2160,9 +2172,11 @@ int make_pipe(int fd)
 
 /*
  *	Attempt to re-exec.
+ *      Renaming to my_re_exec since re_exec is now a common function name
+ *      which conflicts.
  */
 static
-void re_exec(void)
+void my_re_exec(void)
 {
 	CHILD		*ch;
 	sigset_t	mask, oldset;
@@ -2279,7 +2293,7 @@ void fifo_new_level(int level)
 		runlevel = read_level(level);
 		if (runlevel == 'U') {
 			runlevel = oldlevel;
-			re_exec();
+			my_re_exec();
 		} else {
 			if (oldlevel != 'S' && runlevel == 'S') console_stty();
 			if (runlevel == '6' || runlevel == '0' ||
@@ -2681,7 +2695,7 @@ void process_signals()
 #endif
 		if (runlevel == 'U') {
 			runlevel = oldlevel;
-			re_exec();
+			my_re_exec();
 		} else {
 			if (oldlevel != 'S' && runlevel == 'S') console_stty();
 			if (runlevel == '6' || runlevel == '0' ||
diff --git a/src/init.h b/src/init.h
index 7a35706..1b70d6d 100644
--- a/src/init.h
+++ b/src/init.h
@@ -154,3 +154,12 @@ extern char prevlevel;
 #define D_WROTE_WTMP_RLEVEL -16
 #define D_WROTE_UTMP_RLEVEL -17
 
+#ifdef __FreeBSD__
+#define UTMP_FILE "/var/run/utmp"
+#define RUN_LVL 1
+struct utmp
+{
+   char ut_id[4];
+};
+#endif
+
diff --git a/src/shutdown.c b/src/shutdown.c
index 91a4097..0e6f450 100644
--- a/src/shutdown.c
+++ b/src/shutdown.c
@@ -54,13 +54,20 @@
 #include <signal.h>
 #include <fcntl.h>
 #include <stdarg.h>
+#ifdef __FreeBSD__
+#include <utmpx.h>
+#else
 #include <utmp.h>
+#endif
 #include <syslog.h>
 #include "paths.h"
 #include "reboot.h"
 #include "initreq.h"
 #include "init.h"
 
+#ifdef __FreeBSD__
+extern char **environ;
+#endif
 
 #define MESSAGELEN	256
 
diff --git a/src/utmp.c b/src/utmp.c
index c1ae0c9..fce3e32 100644
--- a/src/utmp.c
+++ b/src/utmp.c
@@ -32,7 +32,11 @@
 #include <time.h>
 #include <fcntl.h>
 #include <string.h>
+#ifdef __FreeBSD__
+#include <utmpx.h>
+#else
 #include <utmp.h>
+#endif
 
 #include "init.h"
 #include "initreq.h"