[libbsd 6-freebsd-12] rtemsbsd/rc_conf: Fixed non-nullterminated string causing crashes

[aaron.nyholm at unfoldedeffective.com]

From: Aaron Nyholm <aaron.nyholm at southerninnovation.com>

---
 rtemsbsd/rtems/rtems-bsd-rc-conf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rtemsbsd/rtems/rtems-bsd-rc-conf.c b/rtemsbsd/rtems/rtems-bsd-rc-conf.c
index d559c256..f4cc987b 100644
--- a/rtemsbsd/rtems/rtems-bsd-rc-conf.c
+++ b/rtemsbsd/rtems/rtems-bsd-rc-conf.c
@@ -869,7 +869,7 @@ rtems_bsd_run_rc_conf(const char* name, int timeout, bool verbose)
   if (r < 0)
     return r;
 
-  rc_conf = malloc(sb.st_size);
+  rc_conf = malloc(sb.st_size + 1);
   if (rc_conf == NULL) {
     errno = ENOMEM;
     return -1;
@@ -892,6 +892,8 @@ rtems_bsd_run_rc_conf(const char* name, int timeout, bool verbose)
 
   fclose(file);
 
+  rc_conf[sb.st_size] = '\0';
+
   r = rtems_bsd_run_rc_conf_script(name, rc_conf, timeout, verbose);
 
   free(rc_conf);
-- 
2.25.1