note description: "Externals used by the argument parser library" legal: "See notice at end of class." status: "See notice at end of class." date: "$Date$" revision: "$Revision$" class ARGUMENT_EXTERNALS feature -- Externals c_get_term_columns: INTEGER -- Retrieves the number of columns in the active terminal. external "C inline use , , , " alias "[ #ifdef TIOCGSIZE struct ttysize win; if (ioctl (STDIN_FILENO, TIOCGSIZE, &win)) return 0; else return win.ts_cols; #elif defined TIOCGWINSZ struct winsize win; if (ioctl (STDIN_FILENO, TIOCGWINSZ, &win)) return 0; else return win.ws_col; #else { // Not likely to work because COLUMNS generally is a shell variable. const char *s; s = getenv ("COLUMNS"); if (s) return strtol (s, 0, 10); else return 0; } #endif ]" end note copyright: "Copyright (c) 1984-2009, Eiffel Software" license: "GPL version 2 (see http://www.eiffel.com/licensing/gpl.txt)" licensing_options: "http://www.eiffel.com/licensing" copying: "[ This file is part of Eiffel Software's Eiffel Development Environment. Eiffel Software's Eiffel Development Environment is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2 of the License (available at the URL listed under "license" above). Eiffel Software's Eiffel Development Environment is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Eiffel Software's Eiffel Development Environment; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ]" source: "[ Eiffel Software 5949 Hollister Ave., Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end