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 #pragma once
   8
   9 #include <stdarg.h>
  10 #include <stdio.h>
  11 #include <string.h>
  12 #include <wchar.h>
  13
  14 #include "base/logging.h"
  15
  16 namespace base {
  17
  18 // Chromium code style is to not use malloc'd strings; this is only for use
  19 // for interaction with APIs that require it.
  20 inline char* strdup(const char* str) {
  21   return _strdup(str);
  22 }
  23
  24 inline int strcasecmp(const char* s1, const char* s2) {
  25   return _stricmp(s1, s2);
  26 }
  27
  28 inline int strncasecmp(const char* s1, const char* s2, size_t count) {
  29   return _strnicmp(s1, s2, count);
  30 }
  31
  32 inline int strncmp16(const char16* s1, const char16* s2, size_t count) {
  33   return ::wcsncmp(s1, s2, count);
  34 }
  35
  36 inline int vsnprintf(char* buffer, size_t size,
  37                      const char* format, va_list arguments) {
  38   int length = _vsprintf_p(buffer, size, format, arguments);
  39   if (length < 0) {
  40     if (size > 0)
  41       buffer[0] = 0;
  42     return _vscprintf_p(format, arguments);
  43   }
  44   return length;
  45 }
  46
  47 inline int vswprintf(wchar_t* buffer, size_t size,
  48                      const wchar_t* format, va_list arguments) {
  49   DCHECK(IsWprintfFormatPortable(format));
  50
  51   int length = _vswprintf_p(buffer, size, format, arguments);
  52   if (length < 0) {
  53     if (size > 0)
  54       buffer[0] = 0;
  55     return _vscwprintf_p(format, arguments);
  56   }
  57   return length;
  58 }
  59
  60 }  // namespace base
  61
  62 #endif  // BASE_STRING_UTIL_WIN_H_