func: void bad() char * data ; char dataBuffer [ FILENAME_MAX ] = BASEPATH ; data = dataBuffer; if ( globalReturnsTrue ( ) )  int globalReturnsTrue() return 1 ; size_t dataLen = strlen ( data ) ; char * environment = GETENV ( ENV_VARIABLE ) ; if ( environment != NULL )  strncat ( data + dataLen , environment , FILENAME_MAX - dataLen - 1 ); inputFile . open ( ( char * ) data ); 