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      1 // Copyright (c) 2006-2008 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 = 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_STRING_UTIL_WIN_H_
     56