1e1c54d4dSMichael Jones //===-- Starting point for printf -------------------------------*- C++ -*-===// 2e1c54d4dSMichael Jones // 3e1c54d4dSMichael Jones // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4e1c54d4dSMichael Jones // See https://llvm.org/LICENSE.txt for license information. 5e1c54d4dSMichael Jones // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6e1c54d4dSMichael Jones // 7e1c54d4dSMichael Jones //===----------------------------------------------------------------------===// 8e1c54d4dSMichael Jones 9e1c54d4dSMichael Jones #include "src/stdio/printf_core/printf_main.h" 10e1c54d4dSMichael Jones 11e1c54d4dSMichael Jones #include "src/__support/arg_list.h" 12*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h" 13e1c54d4dSMichael Jones #include "src/stdio/printf_core/converter.h" 14e1c54d4dSMichael Jones #include "src/stdio/printf_core/core_structs.h" 15e1c54d4dSMichael Jones #include "src/stdio/printf_core/parser.h" 16e1c54d4dSMichael Jones #include "src/stdio/printf_core/writer.h" 17e1c54d4dSMichael Jones 18e1c54d4dSMichael Jones #include <stddef.h> 19e1c54d4dSMichael Jones 20*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL { 21e1c54d4dSMichael Jones namespace printf_core { 22e1c54d4dSMichael Jones 23e1c54d4dSMichael Jones int printf_main(Writer *writer, const char *__restrict str, 24e1c54d4dSMichael Jones internal::ArgList &args) { 25e0be78beSJoseph Huber Parser<internal::ArgList> parser(str, args); 262e6eccfeSMichael Jones int result = 0; 27e1c54d4dSMichael Jones for (FormatSection cur_section = parser.get_next_section(); 28096463d0SMichael Jones !cur_section.raw_string.empty(); 29096463d0SMichael Jones cur_section = parser.get_next_section()) { 30e1c54d4dSMichael Jones if (cur_section.has_conv) 312e6eccfeSMichael Jones result = convert(writer, cur_section); 32e1c54d4dSMichael Jones else 33096463d0SMichael Jones result = writer->write(cur_section.raw_string); 342e6eccfeSMichael Jones 352e6eccfeSMichael Jones if (result < 0) 362e6eccfeSMichael Jones return result; 37e1c54d4dSMichael Jones } 38e1c54d4dSMichael Jones 39e1c54d4dSMichael Jones return writer->get_chars_written(); 40e1c54d4dSMichael Jones } 41e1c54d4dSMichael Jones 42e1c54d4dSMichael Jones } // namespace printf_core 43*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL 44