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
15namespace 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.
19inline char* strdup(const char* str) {
20  return _strdup(str);
21}
22
23inline int strcasecmp(const char* s1, const char* s2) {
24  return _stricmp(s1, s2);
25}
26
27inline int strncasecmp(const char* s1, const char* s2, size_t count) {
28  return _strnicmp(s1, s2, count);
29}
30
31inline int strncmp16(const char16* s1, const char16* s2, size_t count) {
32  return ::wcsncmp(s1, s2, count);
33}
34
35inline 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
46inline 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_STRINGS_STRING_UTIL_WIN_H_
62