address a todo

[simgrid.git] / src / surf / FileImpl.hpp

diff --git a/src/surf/FileImpl.hpp b/src/surf/FileImpl.hpp
index 938a1b5..eea45fc 100644 (file)
--- a/src/surf/FileImpl.hpp
+++ b/src/surf/FileImpl.hpp
@@ -7,6 +7,9 @@
 #ifndef SRC_SURF_FILEIMPL_HPP_
 #define SRC_SURF_FILEIMPL_HPP_
 
+#include "surf/surf.h"
+#include <string>
+
 namespace simgrid {
 namespace surf {
 
@@ -23,11 +26,28 @@ public:
   void setPosition(sg_size_t size) { current_position_ = size; }
   void incrPosition(sg_size_t incr) { current_position_ += incr; }
   sg_size_t tell() { return current_position_; }
+  int seek(sg_offset_t offset, int origin)
+  {
+    switch (origin) {
+      case SEEK_SET:
+        current_position_ = offset;
+        return 0;
+      case SEEK_CUR:
+        current_position_ += offset;
+        return 0;
+      case SEEK_END:
+        current_position_ = size_ + offset;
+        return 0;
+      default:
+        return -1;
+    }
+  }
+
 private:
   std::string path_;
   std::string mount_point_;
   sg_size_t size_;
-  sg_size_t current_position_ = 0;
+  sg_size_t current_position_ = SEEK_SET;
 };
 }
 }