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 strcasecmp(const char* s1, const char* s2) {
  24   return _stricmp(s1, s2);
  25 }
  26
  27 inline int strncasecmp(const char* s1, const char* s2, size_t count) {
  28   return _strnicmp(s1, s2, count);
  29 }
  30
  31 inline int strncmp16(const char16* s1, const char16* s2, size_t count) {
  32   return ::wcsncmp(s1, s2, count);
  33 }
  34
  35 inline int vsnprintf(char* buffer, size_t size,
  36                      const char* format, va_list arguments) {
  37   int length = vsnprintf_s(buffer, size, size - 1, format, arguments);
  38   if (length < 0)
  39     return _vscprintf(format, arguments);
  40   return length;
  41 }
  42
  43 inline int vswprintf(wchar_t* buffer, size_t size,
  44                      const wchar_t* format, va_list arguments) {
  45   DCHECK(IsWprintfFormatPortable(format));
  46
  47   int length = _vsnwprintf_s(buffer, size, size - 1, format, arguments);
  48   if (length < 0)
  49     return _vscwprintf(format, arguments);
  50   return length;
  51 }
  52
  53 }  // namespace base
  54
  55 #endif  // BASE_STRINGS_STRING_UTIL_WIN_H_