1 files changed, 50 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/scudo/standalone/string_utils.h b/contrib/llvm-project/compiler-rt/lib/scudo/standalone/string_utils.h
new file mode 100644
index 000000000000..cf61e150f20e
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/scudo/standalone/string_utils.h
@@ -0,0 +1,50 @@
+//===-- string_utils.h ------------------------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SCUDO_STRING_UTILS_H_
+#define SCUDO_STRING_UTILS_H_
+
+#include "internal_defs.h"
+#include "vector.h"
+
+#include <stdarg.h>
+
+namespace scudo {
+
+class ScopedString {
+public:
+  explicit ScopedString() { String.push_back('\0'); }
+  uptr length() { return String.size() - 1; }
+  const char *data() { return String.data(); }
+  void clear() {
+    String.clear();
+    String.push_back('\0');
+  }
+  void vappend(const char *Format, va_list &Args);
+  void append(const char *Format, ...) FORMAT(2, 3);
+  void output() const { outputRaw(String.data()); }
+  void reserve(size_t Size) { String.reserve(Size + 1); }
+  uptr capacity() { return String.capacity() - 1; }
+
+private:
+  void appendNumber(u64 AbsoluteValue, u8 Base, u8 MinNumberLength,
+                    bool PadWithZero, bool Negative, bool Upper);
+  void appendUnsigned(u64 Num, u8 Base, u8 MinNumberLength, bool PadWithZero,
+                      bool Upper);
+  void appendSignedDecimal(s64 Num, u8 MinNumberLength, bool PadWithZero);
+  void appendString(int Width, int MaxChars, const char *S);
+  void appendPointer(u64 ptr_value);
+
+  Vector<char, 256> String;
+};
+
+void Printf(const char *Format, ...) FORMAT(1, 2);
+
+} // namespace scudo
+
+#endif // SCUDO_STRING_UTILS_H_