mirror of
https://github.com/RGBCube/serenity
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a353ceecf1
This matches how some other systems implement errno, and makes 3rd party software that expect us to have __errno_location() work.
48 lines
783 B
C++
48 lines
783 B
C++
/*
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* Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Types.h>
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#include <assert.h>
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#include <errno.h>
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#include <sys/internals.h>
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#include <unistd.h>
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extern "C" {
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#ifdef NO_TLS
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int errno_storage;
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#else
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__thread int errno_storage;
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#endif
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char** environ;
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bool __environ_is_malloced;
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bool __stdio_is_initialized;
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bool s_global_initializers_ran;
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void* __auxiliary_vector;
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static void __auxiliary_vector_init();
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int* __errno_location()
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{
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return &errno_storage;
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}
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void __libc_init()
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{
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__auxiliary_vector_init();
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__malloc_init();
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__stdio_init();
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}
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static void __auxiliary_vector_init()
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{
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char** env;
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for (env = environ; *env; ++env) {
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}
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__auxiliary_vector = (void*)++env;
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}
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}
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