d87eea35fa
This is the first step in preparation for: https://discourse.llvm.org/t/rfc-make-clang-builtin-math-functions-constexpr-with-llvm-libc-to-support-c-23-constexpr-math-functions/86450
38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
//===-- Implementation of fputs -------------------------------------------===//
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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/stdio/fputs.h"
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#include "src/__support/CPP/string_view.h"
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#include "src/__support/File/file.h"
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#include "hdr/types/FILE.h"
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#include "src/__support/libc_errno.h"
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#include "src/__support/macros/config.h"
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#include <stddef.h>
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namespace LIBC_NAMESPACE_DECL {
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LLVM_LIBC_FUNCTION(int, fputs,
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(const char *__restrict str, ::FILE *__restrict stream)) {
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cpp::string_view str_view(str);
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auto result = reinterpret_cast<LIBC_NAMESPACE::File *>(stream)->write(
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str, str_view.size());
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if (result.has_error())
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libc_errno = result.error;
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size_t written = result.value;
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if (str_view.size() != written) {
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// The stream should be in an error state in this case.
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return EOF;
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}
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return 0;
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}
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} // namespace LIBC_NAMESPACE_DECL
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