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//===-- Implementation of printf --------------------------------*- C++ -*-===//
//
// 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/printf.h"
#include "src/__support/File/file.h"
#include "src/__support/arg_list.h"
#include "src/stdio/printf_core/vfprintf_internal.h"
#include <stdarg.h>
#include <stdio.h>
#ifndef LIBC_COPT_STDIO_USE_SYSTEM_FILE
#define PRINTF_STDOUT LIBC_NAMESPACE::stdout
#else // LIBC_COPT_STDIO_USE_SYSTEM_FILE
#define PRINTF_STDOUT ::stdout
#endif // LIBC_COPT_STDIO_USE_SYSTEM_FILE
namespace LIBC_NAMESPACE {
LLVM_LIBC_FUNCTION(int, printf, (const char *__restrict format, ...)) {
va_list vlist;
va_start(vlist, format);
internal::ArgList args(vlist); // This holder class allows for easier copying
// and pointer semantics, as well as handling
// destruction automatically.
va_end(vlist);
int ret_val = printf_core::vfprintf_internal(
reinterpret_cast<::FILE *>(PRINTF_STDOUT), format, args);
return ret_val;
}
} // namespace LIBC_NAMESPACE
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