From ad2cc63412d563f31b33df3204bb2070cb12f320 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Fri, 27 Jan 2012 09:01:06 +0000
Subject: [PATCH] Fill in osdep_get_cwd on Darwin, from Alex Ernst.

---
 osdep-darwin.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/osdep-darwin.c b/osdep-darwin.c
index c5820df6..9cac1311 100644
--- a/osdep-darwin.c
+++ b/osdep-darwin.c
@@ -20,6 +20,7 @@
 #include <sys/sysctl.h>
 
 #include <event.h>
+#include <libproc.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
@@ -52,6 +53,16 @@ osdep_get_name(int fd, unused char *tty)
 char *
 osdep_get_cwd(pid_t pid)
 {
+	static char 			wd[PATH_MAX];
+	struct proc_vnodepathinfo	pathinfo;
+	int				ret;
+
+	ret = proc_pidinfo(
+	    pid, PROC_PIDVNODEPATHINFO, 0, &pathinfo, sizeof pathinfo);
+	if (ret == sizeof pathinfo) {
+		strlcpy(wd, pathinfo.pvi_cdir.vip_path, sizeof wd);
+		return (wd);
+	}
 	return (NULL);
 }