X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/5ec2b80b686983f84ebab7c7398a29e73286deee..5dd78326c18ad61561204c0d11470890cd12d091:/src/xbt/xbt_os_file.cpp

diff --git a/src/xbt/xbt_os_file.cpp b/src/xbt/xbt_os_file.cpp
index 2786b5dfbe..32c7004e05 100644
--- a/src/xbt/xbt_os_file.cpp
+++ b/src/xbt/xbt_os_file.cpp
@@ -15,9 +15,61 @@
 #include <unistd.h>
 #endif
 
+#include <boost/algorithm/string.hpp>
 #include <cstring>
+#include <fstream>
 #include <libgen.h> /* POSIX dirname */
 
+static std::vector<std::string> file_path;
+
+void simgrid::xbt::path_push(std::string const& str)
+{
+  file_path.push_back(str);
+}
+void simgrid::xbt::path_pop()
+{
+  file_path.pop_back();
+}
+std::string simgrid::xbt::path_to_string()
+{
+  return boost::join(file_path, ":");
+}
+FILE* simgrid::xbt::path_fopen(const std::string& name, const char* mode)
+{
+  if (name[0] == '/') // don't mess with absolute file names
+    return fopen(name.c_str(), mode);
+
+  /* search relative files in the path */
+  for (auto const& path_elm : file_path) {
+    std::string buff = path_elm + "/" + name;
+    FILE* file       = fopen(buff.c_str(), mode);
+
+    if (file)
+      return file;
+  }
+  return nullptr;
+}
+
+std::ifstream* simgrid::xbt::path_ifsopen(const std::string& name)
+{
+  xbt_assert(not name.empty());
+
+  auto* fs = new std::ifstream();
+  if (name[0] == '/') // don't mess with absolute file names
+    fs->open(name.c_str(), std::ifstream::in);
+
+  /* search relative files in the path */
+  for (auto const& path_elm : file_path) {
+    std::string buff = path_elm + "/" + name;
+    fs->open(buff.c_str(), std::ifstream::in);
+
+    if (not fs->fail())
+      return fs;
+  }
+
+  return fs;
+}
+
 simgrid::xbt::Path::Path()
 {
 #if HAVE_UNISTD_H