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a4220d5b5f
These macros might not be defined, in which case this usage would have generated warnings had they not been in system headers.
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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errno/errno.cpp
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Value storing a numeric value representing the last occured error.
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*******************************************************************************/
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#define __SORTIX_STDLIB_REDIRECTS 0
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#include <errno.h>
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#include <stddef.h>
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#if !defined(__is_sortix_kernel)
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#include <stdio.h>
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#endif
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extern "C" { int global_errno = 0; }
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extern "C" { errno_location_func_t errno_location_func = NULL; }
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#if !defined(__is_sortix_kernel)
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extern "C" void init_error_functions()
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{
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global_errno = 0;
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}
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#endif
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extern "C" int* get_errno_location(void)
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{
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if ( errno_location_func ) { return errno_location_func(); }
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return &global_errno;
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}
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extern "C" void set_errno_location_func(errno_location_func_t func)
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{
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errno_location_func = func;
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}
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