// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_STRING_UTIL_POSIX_H_
#define BASE_STRING_UTIL_POSIX_H_
#pragma once

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

#include "base/logging.h"

namespace base {

// Chromium code style is to not use malloc'd strings; this is only for use
// for interaction with APIs that require it.
inline char* strdup(const char* str) {
  return ::strdup(str);
}

inline int strcasecmp(const char* string1, const char* string2) {
  return ::strcasecmp(string1, string2);
}

inline int strncasecmp(const char* string1, const char* string2, size_t count) {
  return ::strncasecmp(string1, string2, count);
}

inline int vsnprintf(char* buffer, size_t size,
                     const char* format, va_list arguments) {
  return ::vsnprintf(buffer, size, format, arguments);
}

inline int strncmp16(const char16* s1, const char16* s2, size_t count) {
#if defined(WCHAR_T_IS_UTF16)
  return ::wcsncmp(s1, s2, count);
#elif defined(WCHAR_T_IS_UTF32)
  return c16memcmp(s1, s2, count);
#endif
}

inline int vswprintf(wchar_t* buffer, size_t size,
                     const wchar_t* format, va_list arguments) {
#if defined(OS_OPENBSD)
  // TODO(phajdan.jr): There is a patch to add vswprintf to OpenBSD,
  // http://marc.info/?l=openbsd-tech&m=130003157729839&w=2
  NOTIMPLEMENTED();
  return -1;
#else
  DCHECK(IsWprintfFormatPortable(format));
  return ::vswprintf(buffer, size, format, arguments);
#endif
}

}  // namespace base

#endif  // BASE_STRING_UTIL_POSIX_H_