func: static void goodB2G() char * data ; CWE761_Free_Pointer_Not_at_Start_of_Buffer__char_environment_34_unionType myUnion ; data = ( char * ) malloc ( 100 * sizeof ( char ) ); data [ 0 ] = '\0'; size_t dataLen = strlen ( data ) ; char * environment = GETENV ( ENV_VARIABLE ) ; if ( environment != NULL )  strncat ( data + dataLen , environment , 100 - dataLen - 1 ); myUnion . unionFirst = data; char * data = myUnion . unionSecond ; size_t i ; for (i=0; i < strlen(data); i++) if ( data [ i ] == SEARCH_CHAR )  