Index: include/lldb/Host/windows/win32.h
===================================================================
--- include/lldb/Host/windows/win32.h
+++ include/lldb/Host/windows/win32.h
@@ -57,6 +57,7 @@
 int usleep(uint32_t useconds);
 
 char* getcwd(char* path, int max);
+int chdir(const char* path);
 char* basename(char *path);
 char *dirname(char *path);
 
Index: source/Host/windows/Windows.cpp
===================================================================
--- source/Host/windows/Windows.cpp
+++ source/Host/windows/Windows.cpp
@@ -159,11 +159,18 @@
 
 char* getcwd(char* path, int max)
 {
-    if (GetCurrentDirectory(max, path) == 0)
+    if (GetCurrentDirectory(max, path) != 0)
         return path;
     return NULL;
 }
 
+int chdir(const char* path)
+{
+    if (SetCurrentDirectory(path) != 0)
+        return 0;
+    return -1;
+}
+
 char *dirname(char *path)
 {
     char* l1 = strrchr(path, '\\');