1 //===-- Starting point for printf -------------------------------*- 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/printf_core/printf_main.h" 10 11 #include "src/__support/arg_list.h" 12 #include "src/stdio/printf_core/converter.h" 13 #include "src/stdio/printf_core/core_structs.h" 14 #include "src/stdio/printf_core/parser.h" 15 #include "src/stdio/printf_core/writer.h" 16 17 #include <stddef.h> 18 19 namespace LIBC_NAMESPACE { 20 namespace printf_core { 21 22 int printf_main(Writer *writer, const char *__restrict str, 23 internal::ArgList &args) { 24 Parser<internal::ArgList> parser(str, args); 25 int result = 0; 26 for (FormatSection cur_section = parser.get_next_section(); 27 !cur_section.raw_string.empty(); 28 cur_section = parser.get_next_section()) { 29 if (cur_section.has_conv) 30 result = convert(writer, cur_section); 31 else 32 result = writer->write(cur_section.raw_string); 33 34 if (result < 0) 35 return result; 36 } 37 38 return writer->get_chars_written(); 39 } 40 41 } // namespace printf_core 42 } // namespace LIBC_NAMESPACE 43