coverity#1261762 Resource leak

still leaks the handle of course, but c++izes the code and hides
the leak from coverity as a side-effect

Change-Id: Ieaab1545a98da1d699df93d020f0cb452ddf2516

4 files changed, 29 insertions, 30 deletions

diff --git a/cppu/source/uno/lbenv.cxx b/cppu/source/uno/lbenv.cxx
index e8fa57d3bfea..721005d6a5ed 100644
--- a/cppu/source/uno/lbenv.cxx
+++ b/cppu/source/uno/lbenv.cxx
@@ -1055,20 +1055,19 @@ static bool loadEnv(OUString const  & cLibStem,
 #else
     // late init with some code from matching uno language binding
     // will be unloaded by environment
-    oslModule hMod = cppu::detail::loadModule( cLibStem );
+    osl::Module aMod;
+    bool bMod = cppu::detail::loadModule(aMod, cLibStem);
 
-    if (!hMod)
+    if (!bMod)
         return false;
 
     OUString aSymbolName(UNO_INIT_ENVIRONMENT);
-    uno_initEnvironmentFunc fpInit = (uno_initEnvironmentFunc)
-        ::osl_getFunctionSymbol( hMod, aSymbolName.pData );
+    uno_initEnvironmentFunc fpInit = (uno_initEnvironmentFunc)aMod.getSymbol(aSymbolName);
 
     if (!fpInit)
-    {
-        ::osl_unloadModule( hMod );
         return false;
-    }
+
+    aMod.release();
 #endif
 
     (*fpInit)( pEnv ); // init of environment
diff --git a/cppu/source/uno/lbmap.cxx b/cppu/source/uno/lbmap.cxx
index a887f899a8dd..03130228c431 100644
--- a/cppu/source/uno/lbmap.cxx
+++ b/cppu/source/uno/lbmap.cxx
@@ -337,7 +337,7 @@ static uno_ext_getMappingFunc selectMapFunc( const OUString & rBridgeName )
 
 #else
 
-static inline oslModule loadModule( const OUString & rBridgeName )
+static inline bool loadModule(osl::Module & rModule, const OUString & rBridgeName)
 {
     bool bNeg;
     {
@@ -347,16 +347,16 @@ static inline oslModule loadModule( const OUString & rBridgeName )
     bNeg = (iFind != rData.aNegativeLibs.end());
     }
 
-    if (! bNeg)
+    if (!bNeg)
     {
-        oslModule hModule = cppu::detail::loadModule( rBridgeName );
+        bool bModule = cppu::detail::loadModule(rModule, rBridgeName);
 
-        if (hModule)
-            return hModule;
+        if (bModule)
+            return true;
 
         setNegativeBridge( rBridgeName ); // no load again
     }
-    return 0;
+    return false;
 }
 
 #endif
@@ -406,22 +406,22 @@ static Mapping loadExternalMapping(
         }
 #else
         // find proper lib
-        oslModule hModule = 0;
+        osl::Module aModule;
+        bool bModule;
         OUString aName;
 
         if ( EnvDcp::getTypeName(rFrom.getTypeName()) == UNO_LB_UNO )
-            hModule = loadModule( aName = getBridgeName( rTo, rFrom, rAddPurpose ) );
-        if (! hModule)
-            hModule = loadModule( aName = getBridgeName( rFrom, rTo, rAddPurpose ) );
-        if (! hModule)
-            hModule = loadModule( aName = getBridgeName( rTo, rFrom, rAddPurpose ) );
+            bModule = loadModule( aModule, aName = getBridgeName( rTo, rFrom, rAddPurpose ) );
+        if (!bModule)
+            bModule = loadModule( aModule, aName = getBridgeName( rFrom, rTo, rAddPurpose ) );
+        if (!bModule)
+            bModule = loadModule( aModule, aName = getBridgeName( rTo, rFrom, rAddPurpose ) );
 
-        if (hModule)
+        if (bModule)
         {
             OUString aSymbolName( UNO_EXT_GETMAPPING );
             uno_ext_getMappingFunc fpGetMapFunc =
-                (uno_ext_getMappingFunc)::osl_getFunctionSymbol(
-                    hModule, aSymbolName.pData );
+                (uno_ext_getMappingFunc)aModule.getSymbol( aSymbolName );
 
             if (fpGetMapFunc)
             {
@@ -430,10 +430,11 @@ static Mapping loadExternalMapping(
                 OSL_ASSERT( aExt.is() );
                 if (aExt.is())
                 {
+                    aModule.release();
                     return aExt;
                 }
             }
-            ::osl_unloadModule( hModule );
+            aModule.unload();
             setNegativeBridge( aName );
         }
 #endif
diff --git a/cppu/source/uno/loadmodule.cxx b/cppu/source/uno/loadmodule.cxx
index f00936d328d2..1d8ab7576a67 100644
--- a/cppu/source/uno/loadmodule.cxx
+++ b/cppu/source/uno/loadmodule.cxx
@@ -31,16 +31,16 @@ namespace cppu { namespace detail {
 
 #ifndef DISABLE_DYNLOADING
 
-::oslModule loadModule(rtl::OUString const & name) {
+bool loadModule(osl::Module& rModule, rtl::OUString const & name) {
     rtl::OUStringBuffer b;
 #if defined SAL_DLLPREFIX
     b.append(SAL_DLLPREFIX);
 #endif
     b.append(name);
     b.append(SAL_DLLEXTENSION);
-    return ::osl_loadModuleRelative(
+    return rModule.loadRelative(
         reinterpret_cast< oslGenericFunction >(&loadModule),
-        b.makeStringAndClear().pData,
+        b.makeStringAndClear(),
         SAL_LOADMODULE_GLOBAL | SAL_LOADMODULE_LAZY);
 }
 
diff --git a/cppu/source/uno/loadmodule.hxx b/cppu/source/uno/loadmodule.hxx
index 1062799f00c9..a87c7b1ac3a1 100644
--- a/cppu/source/uno/loadmodule.hxx
+++ b/cppu/source/uno/loadmodule.hxx
@@ -21,7 +21,7 @@
 #define INCLUDED_CPPU_SOURCE_UNO_LOADMODULE_HXX
 
 #include "sal/config.h"
-#include "osl/module.h"
+#include <osl/module.hxx>
 
 namespace rtl { class OUString; }
 
@@ -35,10 +35,9 @@ namespace cppu { namespace detail {
     the nucleus of a module name (without any "lib...so", ".dll", etc.
     decoration, and without a path).
 
-    @return
-    the handle returned by osl_loadModule.
+    @return false if the module could not be loaded, otherwise true
 */
-::oslModule loadModule(::rtl::OUString const & name);
+bool loadModule(osl::Module & rModule, ::rtl::OUString const & name);
 
 #endif