1 //===-- Implementation of fprintf -------------------------------*- 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/fprintf.h"
10 
11 #include "src/__support/File/file.h"
12 #include "src/__support/arg_list.h"
13 #include "src/stdio/printf_core/vfprintf_internal.h"
14 
15 #include <stdarg.h>
16 
17 namespace __llvm_libc {
18 
19 LLVM_LIBC_FUNCTION(int, fprintf,
20                    (::FILE *__restrict stream, const char *__restrict format,
21                     ...)) {
22   va_list vlist;
23   va_start(vlist, format);
24   internal::ArgList args(vlist); // This holder class allows for easier copying
25                                  // and pointer semantics, as well as handling
26                                  // destruction automatically.
27   va_end(vlist);
28   int ret_val = printf_core::vfprintf_internal(stream, format, args);
29   return ret_val;
30 }
31 
32 } // namespace __llvm_libc
33