From 4ed60d9076b23307cc86da136562cdc741370d50 Mon Sep 17 00:00:00 2001
From: Vijay Kumar Banerjee <vijaykumar9597@gmail.com>
Date: Tue, 25 Jun 2019 12:43:43 +0530
Subject: i2c tool : port to RTEMS

---
 freebsd/usr.sbin/i2c/i2c.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'freebsd')

diff --git a/freebsd/usr.sbin/i2c/i2c.c b/freebsd/usr.sbin/i2c/i2c.c
index 084682a1..840f78f6 100644
--- a/freebsd/usr.sbin/i2c/i2c.c
+++ b/freebsd/usr.sbin/i2c/i2c.c
@@ -28,6 +28,13 @@
  * SUCH DAMAGE.
  */
 
+#ifdef __rtems__
+#define __need_getopt_newlib
+#include <getopt.h>
+#include <machine/rtems-bsd-program.h>
+#include <machine/rtems-bsd-commands.h>
+#endif /* __rtems__ */
+
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
@@ -560,6 +567,24 @@ err2:
 	return (1);
 }
 
+#ifdef __rtems__
+static int main(int argc, char *argv[]);
+
+int
+rtems_bsd_command_i2c(int argc, char *argv[])
+{
+    int exit_code;
+    void *data_begin;
+    size_t data_size;
+
+    rtems_bsd_program_lock();
+    exit_code = rtems_bsd_program_call_main("i2c", main, argc, argv);
+    rtems_bsd_program_unlock();
+
+    return exit_code;
+}
+#endif /* __rtems__ */
+
 int
 main(int argc, char** argv)
 {
@@ -568,6 +593,16 @@ main(int argc, char** argv)
 	char *dev, *skip_addr, *i2c_buf;
 	int error, chunk_size, i, j, ch;
 
+#ifdef __rtems__
+    struct getopt_data getopt_data;
+    memset(&getopt_data, 0, sizeof(getopt_data));
+#define optind getopt_data.optind
+#define optarg getopt_data.optarg
+#define opterr getopt_data.opterr
+#define optopt getopt_data.optopt
+#define getopt(argc, argv, opt) getopt_r(argc, argv, "+" opt, &getopt_data)
+#endif /* __rtems__ */
+
 	errno = 0;
 	error = 0;
 
-- 
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