tdf#148251 Use std::swap instead of using temporary values

Change-Id: I7629d86b8f85a493bd3ad6b9c465a81c746b1dab
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/165802
Tested-by: Jenkins
Tested-by: Ilmari Lauhakangas <ilmari.lauhakangas@libreoffice.org>
Reviewed-by: Ilmari Lauhakangas <ilmari.lauhakangas@libreoffice.org>

2 files changed, 11 insertions, 32 deletions

diff --git a/embedserv/source/embed/tracker.cxx b/embedserv/source/embed/tracker.cxx
index 2a502671bb63..fb331dfa1478 100644
--- a/embedserv/source/embed/tracker.cxx
+++ b/embedserv/source/embed/tracker.cxx
@@ -201,17 +201,10 @@ void winwrap::TransformRect(LPRECT rect,HWND pWnd,HWND pWndClipTo)
 
 static void NormalizeRect(LPRECT rp)
 {
-    if(rp->left > rp->right) {
-        UINT tmp = rp->left;
-        rp->left = rp->right;
-        rp->right = tmp;
-    }
-
-    if(rp->top > rp->bottom) {
-        UINT tmp = rp->top;
-        rp->top = rp->bottom;
-        rp->bottom = tmp;
-    }
+    if(rp->left > rp->right)
+        std::swap(rp->left, rp->right);
+    if(rp->top > rp->bottom)
+        std::swap(rp->top, rp->bottom);
 }
 
 
diff --git a/extensions/test/ole/AxTestComponents/Basic.cpp b/extensions/test/ole/AxTestComponents/Basic.cpp
index 85fbb649f923..6195aba0a6f0 100644
--- a/extensions/test/ole/AxTestComponents/Basic.cpp
+++ b/extensions/test/ole/AxTestComponents/Basic.cpp
@@ -116,34 +116,26 @@ STDMETHODIMP CBasic::inObject(IDispatch *val)
 
 STDMETHODIMP CBasic::inoutBool(VARIANT_BOOL* val)
 {
-    VARIANT_BOOL aBool = *val;
-    *val = m_bool;
-    m_bool = aBool;
+    std::swap(*val, m_bool);
     return S_OK;
 }
 
 
 STDMETHODIMP CBasic::inoutByte(unsigned char* val)
 {
-    unsigned char aByte = *val;
-    *val = m_byte;
-    m_byte = aByte;
+    std::swap(*val, m_byte);
     return S_OK;
 }
 
 STDMETHODIMP CBasic::inoutShort(short *val)
 {
-    short aShort = *val;
-    *val = m_short;
-    m_short = aShort;
+    std::swap(*val, m_short);
     return S_OK;
 }
 
 STDMETHODIMP CBasic::inoutLong(long *val)
 {
-    long aLong = *val;
-    *val = m_long;
-    m_long = aLong;
+    std::swap(*val, m_long);
     return S_OK;
 }
 
@@ -159,17 +151,13 @@ STDMETHODIMP CBasic::inoutString(BSTR *val)
 
 STDMETHODIMP CBasic::inoutFloat(float *val)
 {
-    float aFloat = *val;
-    *val = m_float;
-    m_float = aFloat;
+    std::swap(*val, m_float);
     return S_OK;
 }
 
 STDMETHODIMP CBasic::inoutDouble(double *val)
 {
-    double aDouble = *val;
-    *val = m_double;
-    m_double  = aDouble;
+    std::swap(*val, m_double);
     return S_OK;
 }
 
@@ -1033,9 +1021,7 @@ STDMETHODIMP CBasic::outCurrency(CY* val)
 
 STDMETHODIMP CBasic::inoutCurrency(CY* val)
 {
-    CY tmp = *val;
-    *val = m_cy;
-    m_cy = tmp;
+    std::swap(*val, m_cy);
     return S_OK;
 }