Reduce gnu complexity score of httpHeaderCpy function.

Author: paulbartell

source/core_http_client.c

@@ -1289,44 +1289,32 @@ static size_t httpHeaderCpy( char * pDest,
 
     for( i = 0; i < len; i++ )
     {
-        switch( pSrc[ i ] )
+        if( pSrc[ i ] == NULL_CHARACTER )
+        {
+            endOfInput = 1U;
+        }
+        else if( pSrc[ i ] == CARRIAGE_RETURN_CHARACTER )
+        {
+            LogError( ( "Invalid character '\r' found in %.*s",
+                        ( int ) len, pSrc ) );
+            hasError = 1U;
+        }
+        else if( pSrc[ i ] == LINEFEED_CHARACTER )
+        {
+            LogError( ( "Invalid character '\n' found in %.*s",
+                        ( int ) len, pSrc ) );
+            hasError = 1U;
+        }
+        else if( ( pSrc[ i ] == COLON_CHARACTER ) && ( isField == 1U ) )
+        {
+            LogError( ( "Invalid character ':' found in %.*s",
+                        ( int ) len, pSrc ) );
+            hasError = 1U;
+        }
+        else
         {
-            case NULL_CHARACTER:
-                endOfInput = 1U;
-                break;
-
-            case CARRIAGE_RETURN_CHARACTER:
-                LogError( ( "Invalid character '\r' found in %.*s",
-                            ( int ) len, pSrc ) );
-                hasError = 1U;
-                break;
-
-            case LINEFEED_CHARACTER:
-                LogError( ( "Invalid character '\n' found in %.*s",
-                            ( int ) len, pSrc ) );
-                hasError = 1U;
-                break;
-
-            case COLON_CHARACTER:
-
-                if( isField == 1U )
-                {
-                    LogError( ( "Invalid character ':' found in %.*s",
-                                ( int ) len, pSrc ) );
-                    hasError = 1U;
-                }
-                else
-                {
-                    pDest[ i ] = pSrc[ i ];
-                    charsWritten++;
-                }
-
-                break;
-
-            default:
-                pDest[ i ] = pSrc[ i ];
-                charsWritten++;
-                break;
+            pDest[ i ] = pSrc[ i ];
+            charsWritten++;
         }
 
         if( ( endOfInput == 1U ) || ( hasError == 1U ) )