Restore pane_current_path format from portable tmux, it is no longer

used by default and is very useful.

1 files changed, 15 insertions, 0 deletions

diff --git a/procname.c b/procname.c
index 07a8a56c..45e508ef 100644
--- a/procname.c
+++ b/procname.c
@@ -38,6 +38,7 @@
 
 static struct kinfo_proc *cmp_procs(struct kinfo_proc *, struct kinfo_proc *);
 char	*get_proc_name(int, char *);
+char	*get_proc_cwd(int);
 
 static struct kinfo_proc *
 cmp_procs(struct kinfo_proc *p1, struct kinfo_proc *p2)
@@ -132,3 +133,17 @@ error:
 	free(buf);
 	return (NULL);
 }
+
+char *
+get_proc_cwd(int fd)
+{
+        int             name[] = { CTL_KERN, KERN_PROC_CWD, 0 };
+        static char     path[MAXPATHLEN];
+        size_t          pathlen = sizeof path;
+
+        if ((name[2] = tcgetpgrp(fd)) == -1)
+                return (NULL);
+        if (sysctl(name, 3, path, &pathlen, NULL, 0) != 0)
+                return (NULL);
+        return (path);
+}