replaced unlink() & _unlink() with more standard remove() (ticket #334)

modules/highgui/src/loadsave.cpp

@@ -332,7 +332,7 @@ imdecode_( const Mat& buf, int flags, int hdrtype, Mat* mat=0 )
     if( !decoder->readHeader() )
     {
         if( filename )
-            unlink(filename);
+            remove(filename);
         return 0;
     }
 
@@ -374,7 +374,7 @@ imdecode_( const Mat& buf, int flags, int hdrtype, Mat* mat=0 )
 
     bool code = decoder->readData( *data );
     if( filename )
-        unlink(filename);
+        remove(filename);
 
     if( !code )
     {
@@ -441,7 +441,7 @@ bool imencode( const string& ext, const Mat& image,
         fseek( f, 0, SEEK_SET );
         buf.resize(fread( &buf[0], 1, buf.size(), f ));
         fclose(f);
-        unlink(filename);
+        remove(filename);
     }
     return code;
 }

tests/cv/src/anearestneighbors.cpp

@@ -511,7 +511,7 @@ void CV_FlannSavedIndexTest::createModel(const cv::Mat &data)
     index->save( filename );
     
     createIndex( data, SavedIndexParams(filename));
-    unlink( filename );
+    remove( filename );
 }
 
 CV_LSHTest lsh_test;

tests/cxcore/src/aio.cpp

@@ -425,11 +425,7 @@ void CV_IOTest::run( int )
         }
         
         fs.release();
-        #ifdef _MSC_VER
-            _unlink(filename);
-        #else
-            unlink(filename);
-        #endif
+        remove(filename);
     }
 }
 

tests/ml/src/slmltests.cpp

@@ -105,8 +105,8 @@ int CV_SLMLTest::validate_test_results( int testCaseIdx )
     f1.close();
     f2.close();
     // delete temporary files
-    unlink( fname1 );
-    unlink( fname2 );
+    remove( fname1 );
+    remove( fname2 );
 
     // 2. compare responses
     CV_Assert( test_resps1.size() == test_resps2.size() );