Fixes https://github.com/llvm/llvm-project/issues/61071 Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D145191
33 lines
902 B
C++
33 lines
902 B
C++
//===-- Implementation of putchar -----------------------------------------===//
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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/putchar.h"
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#include "src/__support/File/file.h"
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#include "src/errno/libc_errno.h"
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#include <stdio.h>
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namespace __llvm_libc {
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LLVM_LIBC_FUNCTION(int, putchar, (int c)) {
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unsigned char uc = static_cast<unsigned char>(c);
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auto result = __llvm_libc::stdout->write(&uc, 1);
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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 (1 != 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 __llvm_libc
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