111d643f0SMichael Jones //===-- Implementation of printf --------------------------------*- C++ -*-===// 211d643f0SMichael Jones // 311d643f0SMichael Jones // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 411d643f0SMichael Jones // See https://llvm.org/LICENSE.txt for license information. 511d643f0SMichael Jones // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 611d643f0SMichael Jones // 711d643f0SMichael Jones //===----------------------------------------------------------------------===// 811d643f0SMichael Jones 911d643f0SMichael Jones #include "src/stdio/printf.h" 1011d643f0SMichael Jones 1111d643f0SMichael Jones #include "src/__support/File/file.h" 1211d643f0SMichael Jones #include "src/__support/arg_list.h" 13*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h" 1411d643f0SMichael Jones #include "src/stdio/printf_core/vfprintf_internal.h" 1511d643f0SMichael Jones 165aed6d67SMichael Jones #include "hdr/types/FILE.h" 1711d643f0SMichael Jones #include <stdarg.h> 1811d643f0SMichael Jones 1911d643f0SMichael Jones #ifndef LIBC_COPT_STDIO_USE_SYSTEM_FILE 2011d643f0SMichael Jones #define PRINTF_STDOUT LIBC_NAMESPACE::stdout 2111d643f0SMichael Jones #else // LIBC_COPT_STDIO_USE_SYSTEM_FILE 2211d643f0SMichael Jones #define PRINTF_STDOUT ::stdout 2311d643f0SMichael Jones #endif // LIBC_COPT_STDIO_USE_SYSTEM_FILE 2411d643f0SMichael Jones 25*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL { 2611d643f0SMichael Jones 2711d643f0SMichael Jones LLVM_LIBC_FUNCTION(int, printf, (const char *__restrict format, ...)) { 2811d643f0SMichael Jones va_list vlist; 2911d643f0SMichael Jones va_start(vlist, format); 3011d643f0SMichael Jones internal::ArgList args(vlist); // This holder class allows for easier copying 3111d643f0SMichael Jones // and pointer semantics, as well as handling 3211d643f0SMichael Jones // destruction automatically. 3311d643f0SMichael Jones va_end(vlist); 3411d643f0SMichael Jones int ret_val = printf_core::vfprintf_internal( 3511d643f0SMichael Jones reinterpret_cast<::FILE *>(PRINTF_STDOUT), format, args); 3611d643f0SMichael Jones return ret_val; 3711d643f0SMichael Jones } 3811d643f0SMichael Jones 39*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL 40