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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* Provides a safer sprintf for printing to fixed-size character arrays. */
#ifndef mozilla_Sprintf_h_
#define mozilla_Sprintf_h_
#include <stdio.h>
#include <stdarg.h>
#include "mozilla/Assertions.h"
#include "mozilla/Attributes.h"
#ifdef __cplusplus
template <size_t N>
int VsprintfLiteral(char (&buffer)[N], const char* format, va_list args)
{
MOZ_ASSERT(format != buffer);
int result = vsnprintf(buffer, N, format, args);
buffer[N - 1] = '\0';
return result;
}
template <size_t N>
MOZ_FORMAT_PRINTF(2, 3)
int SprintfLiteral(char (&buffer)[N], const char* format, ...)
{
va_list args;
va_start(args, format);
int result = VsprintfLiteral(buffer, format, args);
va_end(args);
return result;
}
#endif
#endif /* mozilla_Sprintf_h_ */
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