src/stringprintf.h

// Copyright 2011 Google Inc. All Rights Reserved.
// Author: enh@google.com (Elliott Hughes)

#ifndef STRINGPRINTF_H_
#define STRINGPRINTF_H_

#include <stdarg.h>
#include <string>

// Returns a string corresponding to printf-like formatting of the arguments.
std::string StringPrintf(const char* fmt, ...)
        __attribute__((__format__ (__printf__, 1, 2)));

// Appends a printf-like formatting of the arguments to 'dst'.
void StringAppendF(std::string* dst, const char* fmt, ...)
        __attribute__((__format__ (__printf__, 2, 3)));

// Appends a printf-like formatting of the arguments to 'dst'.
void StringAppendV(std::string* dst, const char* format, va_list ap);

#endif  // STRINGPRINTF_H_