From e07099cb7892a4786416c516eea29480e159b128 Mon Sep 17 00:00:00 2001
From: Thiago de Arruda <tpadilha84@gmail.com>
Date: Thu, 8 May 2014 14:36:33 -0300
Subject: [PATCH] API: Implement vim_change_directory

---
 src/api/vim.c | 20 ++++++++++++++++++--
 src/api/vim.h |  3 ++-
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/src/api/vim.c b/src/api/vim.c
index 361a57218c..bc17772bc9 100644
--- a/src/api/vim.c
+++ b/src/api/vim.c
@@ -125,9 +125,25 @@ StringArray vim_list_runtime_paths(void)
   return rv;
 }
 
-void vim_change_directory(String dir)
+void vim_change_directory(String dir, Error *err)
 {
-  abort();
+  char string[dir.size + 1];
+  memcpy(string, dir.data, dir.size);
+  string[dir.size] = NUL;
+
+  try_start();
+
+  if (vim_chdir((char_u *)string)) {
+    if (!try_end(err)) {
+      char msg[] = "failed to change directory";
+      strncpy(err->msg, msg, sizeof(err->msg));
+      err->set = true;
+    }
+    return;
+  }
+
+  post_chdir(FALSE);
+  try_end(err);
 }
 
 String vim_get_current_line(void)
diff --git a/src/api/vim.h b/src/api/vim.h
index cc373e1cc2..8cc7650410 100644
--- a/src/api/vim.h
+++ b/src/api/vim.h
@@ -44,7 +44,8 @@ StringArray vim_list_runtime_paths(void);
 /// Changes vim working directory
 ///
 /// @param dir The new working directory
-void vim_change_directory(String dir);
+/// @param[out] err Details of an error that may have occurred
+void vim_change_directory(String dir, Error *err);
 
 /// Return the current line
 ///