096463d08e
The FormatSection and the writer functions both previously took a char* and a length to represent a string. Now they use the StringView class to represent that more succinctly. This change also required fixing everywhere these were used, so it touches a lot of files. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D131994
41 lines
1.5 KiB
C++
41 lines
1.5 KiB
C++
//===-- Implementation of sprintf -------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/stdio/sprintf.h"
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#include "src/__support/arg_list.h"
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#include "src/stdio/printf_core/printf_main.h"
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#include "src/stdio/printf_core/string_writer.h"
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#include "src/stdio/printf_core/writer.h"
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#include <stdarg.h>
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namespace __llvm_libc {
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LLVM_LIBC_FUNCTION(int, sprintf,
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(char *__restrict buffer, const char *__restrict format,
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...)) {
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va_list vlist;
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va_start(vlist, format);
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internal::ArgList args(vlist); // This holder class allows for easier copying
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// and pointer semantics, as well as handling
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// destruction automatically.
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va_end(vlist);
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printf_core::StringWriter str_writer(buffer);
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printf_core::Writer writer(reinterpret_cast<void *>(&str_writer),
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printf_core::StringWriter::write_str,
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printf_core::StringWriter::write_chars,
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printf_core::StringWriter::write_char);
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int ret_val = printf_core::printf_main(&writer, format, args);
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str_writer.terminate();
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return ret_val;
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}
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} // namespace __llvm_libc
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