1//===-- Implementation of vprintf -------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "src/stdio/vprintf.h"
10
11#include "src/__support/File/file.h"
12#include "src/__support/arg_list.h"
13#include "src/__support/macros/config.h"
14#include "src/stdio/printf_core/vfprintf_internal.h"
15
16#include "hdr/types/FILE.h"
17#include <stdarg.h>
18
19#ifndef LIBC_COPT_STDIO_USE_SYSTEM_FILE
20#define PRINTF_STDOUT LIBC_NAMESPACE::stdout
21#else // LIBC_COPT_STDIO_USE_SYSTEM_FILE
22#define PRINTF_STDOUT ::stdout
23#endif // LIBC_COPT_STDIO_USE_SYSTEM_FILE
24
25namespace LIBC_NAMESPACE_DECL {
26
27LLVM_LIBC_FUNCTION(int, vprintf,
28 (const char *__restrict format, va_list vlist)) {
29 internal::ArgList args(vlist); // This holder class allows for easier copying
30 // and pointer semantics, as well as handling
31 // destruction automatically.
32 int ret_val = printf_core::vfprintf_internal(
33 reinterpret_cast<::FILE *>(PRINTF_STDOUT), format, args);
34 return ret_val;
35}
36
37} // namespace LIBC_NAMESPACE_DECL
38

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source code of libc/src/stdio/generic/vprintf.cpp