1*ad233c60SMichael Jones //===-- Implementation of printf --------------------------------*- C++ -*-===//
2*ad233c60SMichael Jones //
3*ad233c60SMichael Jones // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*ad233c60SMichael Jones // See https://llvm.org/LICENSE.txt for license information.
5*ad233c60SMichael Jones // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*ad233c60SMichael Jones //
7*ad233c60SMichael Jones //===----------------------------------------------------------------------===//
8*ad233c60SMichael Jones 
9*ad233c60SMichael Jones #include "src/stdio/printf.h"
10*ad233c60SMichael Jones 
11*ad233c60SMichael Jones #include "src/__support/File/file.h"
12*ad233c60SMichael Jones #include "src/__support/arg_list.h"
13*ad233c60SMichael Jones #include "src/stdio/printf_core/vfprintf_internal.h"
14*ad233c60SMichael Jones 
15*ad233c60SMichael Jones #include <stdarg.h>
16*ad233c60SMichael Jones 
17*ad233c60SMichael Jones namespace __llvm_libc {
18*ad233c60SMichael Jones 
19*ad233c60SMichael Jones LLVM_LIBC_FUNCTION(int, printf, (const char *__restrict format, ...)) {
20*ad233c60SMichael Jones   va_list vlist;
21*ad233c60SMichael Jones   va_start(vlist, format);
22*ad233c60SMichael Jones   internal::ArgList args(vlist); // This holder class allows for easier copying
23*ad233c60SMichael Jones                                  // and pointer semantics, as well as handling
24*ad233c60SMichael Jones                                  // destruction automatically.
25*ad233c60SMichael Jones   va_end(vlist);
26*ad233c60SMichael Jones   int ret_val = printf_core::vfprintf_internal(
27*ad233c60SMichael Jones       reinterpret_cast<::FILE *>(__llvm_libc::stdout), format, args);
28*ad233c60SMichael Jones   return ret_val;
29*ad233c60SMichael Jones }
30*ad233c60SMichael Jones 
31*ad233c60SMichael Jones } // namespace __llvm_libc
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