New function: xbt::Path() gets the CWD

diff --git a/include/xbt/file.hpp b/include/xbt/file.hpp
index 159891a..5a01a13 100644 (file)
--- a/include/xbt/file.hpp
+++ b/include/xbt/file.hpp
@@ -1,5 +1,4 @@
-/* Copyright (c) 2017-2018. The SimGrid Team.
- * All rights reserved.                                                     */
+/* Copyright (c) 2017-2018. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -15,7 +14,11 @@ namespace xbt {
 
 class Path {
 public:
+  /** Build a path from the current working directory (CWD) */
+  explicit Path();
+  /** Build a path from the provided parameter */
   explicit Path(const char* path): path_(path) {}
+  /** Build a path from the provided parameter */
   explicit Path(std::string path): path_(std::move(path)) {}
 
   /** @brief Returns the full path name */

diff --git a/src/xbt/xbt_os_file.cpp b/src/xbt/xbt_os_file.cpp
index edf2281..334c9b3 100644 (file)
--- a/src/xbt/xbt_os_file.cpp
+++ b/src/xbt/xbt_os_file.cpp
@@ -1,20 +1,35 @@
-/* xbt_os_file.cpp -- portable interface to file-related functions            */
+/* xbt_os_file.cpp -- portable interface to file-related functions          */
 
-/* Copyright (c) 2017-2018. The SimGrid Team.
- * All rights reserved.                                                     */
+/* Copyright (c) 2017-2018. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
+#include "src/internal_config.h"
 #include "xbt/file.hpp" /* this module */
 
 #ifdef _WIN32
 #include <windows.h>
 #endif
 
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
 #include <cstring>
 #include <libgen.h> /* POSIX dirname */
 
+simgrid::xbt::Path::Path()
+{
+#if HAVE_UNISTD_H
+  char buffer[2048];
+  getcwd(buffer, 2048);
+  path_ = std::string(buffer);
+#else
+  path_ = std::string(".");
+#endif
+}
+
 std::string simgrid::xbt::Path::get_dir_name()
 {
   std::string p(path_);