mirror of git://gcc.gnu.org/git/gcc.git
75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
/* errno.c provide access to the errno value.
|
|
|
|
Copyright (C) 2009-2022 Free Software Foundation, Inc.
|
|
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
|
|
|
|
This file is part of GNU Modula-2.
|
|
|
|
GNU Modula-2 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; either version 3, or (at your option)
|
|
any later version.
|
|
|
|
GNU Modula-2 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.
|
|
|
|
Under Section 7 of GPL version 3, you are granted additional
|
|
permissions described in the GCC Runtime Library Exception, version
|
|
3.1, as published by the Free Software Foundation.
|
|
|
|
You should have received a copy of the GNU General Public License and
|
|
a copy of the GCC Runtime Library Exception along with this program;
|
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <config.h>
|
|
|
|
#if defined(HAVE_SYS_ERRNO_H)
|
|
#include <sys/errno.h>
|
|
#endif
|
|
|
|
#if defined(HAVE_ERRNO_H)
|
|
#include <errno.h>
|
|
#endif
|
|
|
|
#include "m2rts.h"
|
|
|
|
#define EXPORT(FUNC) m2pim ## _errno_ ## FUNC
|
|
#define M2EXPORT(FUNC) m2pim ## _M2_errno_ ## FUNC
|
|
#define M2LIBNAME "m2pim"
|
|
|
|
extern "C" int
|
|
EXPORT(geterrno) (void)
|
|
{
|
|
#if defined(HAVE_ERRNO_H) || defined(HAVE_SYS_ERRNO_H)
|
|
return errno;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
}
|
|
|
|
extern "C" void
|
|
M2EXPORT(init) (int, char **, char **)
|
|
{
|
|
}
|
|
|
|
extern "C" void
|
|
M2EXPORT(fini) (int, char **, char **)
|
|
{
|
|
}
|
|
|
|
extern "C" void
|
|
M2EXPORT(dep) (void)
|
|
{
|
|
}
|
|
|
|
extern "C" void __attribute__((__constructor__))
|
|
M2EXPORT(ctor) (void)
|
|
{
|
|
m2pim_M2RTS_RegisterModule ("errno", M2LIBNAME,
|
|
M2EXPORT(init), M2EXPORT(fini),
|
|
M2EXPORT(dep));
|
|
}
|