base/string_util_win.h

   1 // Copyright (c) 2012 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_STRING_UTIL_WIN_H_
   6 #define BASE_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 = _vsprintf_p(buffer, size, format, arguments);
  38   if (length < 0) {
  39     if (size > 0)
  40       buffer[0] = 0;
  41     return _vscprintf_p(format, arguments);
  42   }
  43   return length;
  44 }
  45
  46 inline int vswprintf(wchar_t* buffer, size_t size,
  47                      const wchar_t* format, va_list arguments) {
  48   DCHECK(IsWprintfFormatPortable(format));
  49
  50   int length = _vswprintf_p(buffer, size, format, arguments);
  51   if (length < 0) {
  52     if (size > 0)
  53       buffer[0] = 0;
  54     return _vscwprintf_p(format, arguments);
  55   }
  56   return length;
  57 }
  58
  59 }  // namespace base
  60
  61 #endif  // BASE_STRING_UTIL_WIN_H_