110ee16467
This is in preparation for the transition to a solution to make libc tests hermetic with respect to their use of errno. The implementation of strdup has been switched over to libc_errno as an example of what the code looks like in the new way. See #61037 for more information. Reviewed By: lntue Differential Revision: https://reviews.llvm.org/D144928
30 lines
840 B
C++
30 lines
840 B
C++
//===-- Implementation of strdup ------------------------------------------===//
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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/string/strdup.h"
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#include "src/errno/libc_errno.h"
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#include "src/string/allocating_string_utils.h"
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#include "src/string/memory_utils/memcpy_implementations.h"
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#include "src/__support/common.h"
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#include <stdlib.h>
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namespace __llvm_libc {
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LLVM_LIBC_FUNCTION(char *, strdup, (const char *src)) {
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auto dup = internal::strdup(src);
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if (dup)
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return *dup;
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if (src != nullptr)
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libc_errno = ENOMEM;
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return nullptr;
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}
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} // namespace __llvm_libc
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