34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
//===-- Linux implementation of linkat ------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/unistd/linkat.h"
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#include "src/__support/OSUtil/syscall.h" // For internal syscall function.
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#include "src/__support/common.h"
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#include "hdr/fcntl_macros.h"
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#include "src/__support/macros/config.h"
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#include "src/errno/libc_errno.h"
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#include <sys/syscall.h> // For syscall numbers.
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namespace LIBC_NAMESPACE_DECL {
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LLVM_LIBC_FUNCTION(int, linkat,
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(int fd1, const char *path1, int fd2, const char *path2,
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int flags)) {
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int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_linkat, fd1, path1, fd2,
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path2, flags);
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if (ret < 0) {
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libc_errno = -ret;
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return -1;
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}
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return ret;
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}
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} // namespace LIBC_NAMESPACE_DECL
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