1//===-- string_utils.h ------------------------------------------*- 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#ifndef SCUDO_STRING_UTILS_H_
10#define SCUDO_STRING_UTILS_H_
11
12#include "internal_defs.h"
13#include "vector.h"
14
15#include <stdarg.h>
16
17namespace scudo {
18
19class ScopedString {
20public:
21  explicit ScopedString(uptr MaxLength) : String(MaxLength), Length(0) {
22    String[0] = '\0';
23  }
24  uptr length() { return Length; }
25  const char *data() { return String.data(); }
26  void clear() {
27    String[0] = '\0';
28    Length = 0;
29  }
30  void append(const char *Format, va_list Args);
31  void append(const char *Format, ...);
32  void output() const { outputRaw(String.data()); }
33
34private:
35  Vector<char> String;
36  uptr Length;
37};
38
39void Printf(const char *Format, ...);
40
41} // namespace scudo
42
43#endif // SCUDO_STRING_UTILS_H_
44