From 9c904765c9b2b75e73b196b381470f0fb2f3b458 Mon Sep 17 00:00:00 2001 From: Werner Koch Date: Fri, 17 Nov 2017 09:18:13 +0100 Subject: New configure options and macros for internal use. * configure.ac: Add option --enable-log-clock. * configure.ac: Add option --enable-werror. * src/sysutils.c: New. * src/Makefile.am (libgpg_error_la_SOURCES): Add sysutils.c * src/gpgrt-int.h: Add internal i18n macros and hacks to make working with sockets easier. (es_stdin, es_stdout, es_stderr): New internal macros. (snprintf): New macro. Signed-off-by: Werner Koch --- src/sysutils.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/sysutils.c (limited to 'src/sysutils.c') diff --git a/src/sysutils.c b/src/sysutils.c new file mode 100644 index 0000000..1933506 --- /dev/null +++ b/src/sysutils.c @@ -0,0 +1,39 @@ +/* sysutils.c - Platform specific helper functions + * Copyright (C) 2017 g10 Code GmbH + * + * This file is part of libgpg-error. + * + * libgpg-error is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * libgpg-error 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see . + * SPDX-License-Identifier: LGPL-2.1+ + */ + +#include +#include +#include +#include + +#include "gpgrt-int.h" + + + +/* Return true if FD is valid. */ +int +_gpgrt_fd_valid_p (int fd) +{ + int d = dup (fd); + if (d < 0) + return 0; + close (d); + return 1; +} -- cgit v1.2.3