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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-exception6//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() { String.push_back('\0'); }22 uptr length() { return String.size() - 1; }23 const char *data() { return String.data(); }24 void clear() {25 String.clear();26 String.push_back('\0');27 }28 void vappend(const char *Format, va_list &Args);29 void append(const char *Format, ...) FORMAT(2, 3);30 void output() const { outputRaw(String.data()); }31 void reserve(size_t Size) { String.reserve(Size + 1); }32 uptr capacity() { return String.capacity() - 1; }33 34private:35 void appendNumber(u64 AbsoluteValue, u8 Base, u8 MinNumberLength,36 bool PadWithZero, bool Negative, bool Upper);37 void appendUnsigned(u64 Num, u8 Base, u8 MinNumberLength, bool PadWithZero,38 bool Upper);39 void appendSignedDecimal(s64 Num, u8 MinNumberLength, bool PadWithZero);40 void appendString(int Width, int MaxChars, const char *S);41 void appendPointer(u64 ptr_value);42 43 Vector<char, 256> String;44};45 46void Printf(const char *Format, ...) FORMAT(1, 2);47 48} // namespace scudo49 50#endif // SCUDO_STRING_UTILS_H_51