propagate from branch 'net.randombit.botan' (head 13a0d36dac3709f3cb88e830ed7f8cab9e7433ab)

            to branch 'net.randombit.botan.c++0x' (head 2221ad8796466e7e096645de77ba856a9c902d14)

2 files changed, 29 insertions, 1 deletions

diff --git a/src/math/bigint/bigint.cpp b/src/math/bigint/bigint.cpp
index 6ee5a75e3..a49335e75 100644
--- a/src/math/bigint/bigint.cpp
+++ b/src/math/bigint/bigint.cpp
@@ -40,7 +40,7 @@ BigInt::BigInt(Sign s, size_t size)
    }
 
 /*
-* Construct a BigInt from a "raw" BigInt
+* Copy constructor
 */
 BigInt::BigInt(const BigInt& b)
    {
@@ -100,6 +100,25 @@ BigInt::BigInt(RandomNumberGenerator& rng, size_t bits)
    randomize(rng, bits);
    }
 
+/**
+* Move constructor
+*/
+BigInt::BigInt(BigInt&& other)
+   {
+   std::swap(*this, other);
+   }
+
+/**
+* Move assignment
+*/
+BigInt& BigInt::operator=(BigInt&& other)
+   {
+   if(this != &other)
+      std::swap(*this, other);
+
+   return (*this);
+   }
+
 /*
 * Swap this BigInt with another
 */
diff --git a/src/math/bigint/bigint.h b/src/math/bigint/bigint.h
index 12a7f1701..5b3dcc2dd 100644
--- a/src/math/bigint/bigint.h
+++ b/src/math/bigint/bigint.h
@@ -493,6 +493,15 @@ class BOTAN_DLL BigInt
      */
      BigInt(NumberType type, size_t n);
 
+     /**
+     * Move constructor
+     */
+     BigInt(BigInt&& other);
+
+     /**
+     * Move assignment
+     */
+     BigInt& operator=(BigInt&& other);
    private:
       SecureVector<word> reg;
       Sign signedness;