base/strings/string_util_win.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef BASE_STRINGS_STRING_UTIL_WIN_H_
   6 #define BASE_STRINGS_STRING_UTIL_WIN_H_
   7
   8 #include <stdarg.h>
   9 #include <stdio.h>
  10 #include <string.h>
  11 #include <wchar.h>
  12
  13 #include "base/logging.h"
  14
  15 namespace base {
  16
  17 // Chromium code style is to not use malloc'd strings; this is only for use
  18 // for interaction with APIs that require it.
  19 inline char* strdup(const char* str) {
  20   return _strdup(str);
  21 }
  22
  23 inline int vsnprintf(char* buffer, size_t size,
  24                      const char* format, va_list arguments) {
  25   int length = vsnprintf_s(buffer, size, size - 1, format, arguments);
  26   if (length < 0)
  27     return _vscprintf(format, arguments);
  28   return length;
  29 }
  30
  31 inline int vswprintf(wchar_t* buffer, size_t size,
  32                      const wchar_t* format, va_list arguments) {
  33   DCHECK(IsWprintfFormatPortable(format));
  34
  35   int length = _vsnwprintf_s(buffer, size, size - 1, format, arguments);
  36   if (length < 0)
  37     return _vscwprintf(format, arguments);
  38   return length;
  39 }
  40
  41 }  // namespace base
  42
  43 #endif  // BASE_STRINGS_STRING_UTIL_WIN_H_