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64289058b6
Backed out changeset d28c0f11743f (bug 1690167) Backed out changeset 3b2bebed9128 (bug 1690167) Backed out changeset 7e925e90a251 (bug 1690167) Backed out changeset f85934a2b7ad (bug 1690167) Backed out changeset 6d83474e81bb (bug 1690167)
41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* Provides a safer sprintf for printing to fixed-size character arrays. */
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#ifndef mozilla_Sprintf_h_
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#define mozilla_Sprintf_h_
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#include <stdio.h>
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#include <stdarg.h>
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#include "mozilla/Assertions.h"
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#include "mozilla/Attributes.h"
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#ifdef __cplusplus
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template <size_t N>
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MOZ_FORMAT_PRINTF(2, 0)
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int VsprintfLiteral(char (&buffer)[N], const char* format, va_list args) {
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MOZ_ASSERT(format != buffer);
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int result = vsnprintf(buffer, N, format, args);
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buffer[N - 1] = '\0';
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return result;
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}
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template <size_t N>
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MOZ_FORMAT_PRINTF(2, 3)
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int SprintfLiteral(char (&buffer)[N], const char* format, ...) {
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va_list args;
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va_start(args, format);
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int result = VsprintfLiteral(buffer, format, args);
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va_end(args);
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return result;
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}
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#endif
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#endif /* mozilla_Sprintf_h_ */
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