Improve efficiency of basic_streambuf::consume() by using a single call to

gbump() rather than calling sbumpc() in a loop.
2008-04-01 21:43:40 +00:00 · 2008-04-01 21:43:40 +00:00 · cab2cb8bdc
commit cab2cb8bdc
parent 07565c1869
1 changed files with 3 additions and 5 deletions
--- a/asio/include/asio/basic_streambuf.hpp
+++ b/asio/include/asio/basic_streambuf.hpp
@ -100,11 +100,9 @@ public:
  /// Move the start of the get area by the specified number of characters.
  void consume(std::size_t n)
  {
-    while (n > 0)
-    {
-      sbumpc();
-      --n;
-    }
+    if (gptr() + n > pptr())
+      n = pptr() - gptr();
+    gbump(static_cast<int>(n));
  }

 protected: