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fix-tests
libc/src/stdio/sprintf.cpp
38 строк
1 KB
Michael Jones
[libc] add snprintf
17 май 2022, 23:32
17 май 2022, 23:32
9f1d905
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//===-- Implementation of sprintf -------------------------------*- C++ -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "src/stdio/sprintf.h" #include "src/__support/arg_list.h" #include "src/stdio/printf_core/printf_main.h" #include "src/stdio/printf_core/string_writer.h" #include "src/stdio/printf_core/writer.h" #include <stdarg.h> namespace __llvm_libc { LLVM_LIBC_FUNCTION(int, sprintf, (char *__restrict buffer, const char *__restrict format, ...)) { va_list vlist; va_start(vlist, format); internal::ArgList args(vlist); // This holder class allows for easier copying // and pointer semantics, as well as handling // destruction automatically. va_end(vlist); printf_core::StringWriter str_writer(buffer); printf_core::Writer writer(reinterpret_cast<void *>(&str_writer), printf_core::write_to_string); int ret_val = printf_core::printf_main(&writer, format, args); str_writer.terminate(); return ret_val; } } // namespace __llvm_libc