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//===-- Implementation of ftell -------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/stdio/ftell.h"
#include "src/__support/File/file.h"
#include "src/errno/libc_errno.h"
#include <stdio.h>
namespace __llvm_libc {
LLVM_LIBC_FUNCTION(long, ftell, (::FILE * stream)) {
auto result = reinterpret_cast<__llvm_libc::File *>(stream)->tell();
if (!result.has_value()) {
libc_errno = result.error();
return -1;
}
return result.value();
}
} // namespace __llvm_libc
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