base/string_util_posix.h

   1 // Copyright (c) 2011 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_POSIX_H_
   6 #define BASE_STRING_UTIL_POSIX_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* string1, const char* string2) {
  25   return ::strcasecmp(string1, string2);
  26 }
  27
  28 inline int strncasecmp(const char* string1, const char* string2, size_t count) {
  29   return ::strncasecmp(string1, string2, count);
  30 }
  31
  32 inline int vsnprintf(char* buffer, size_t size,
  33                      const char* format, va_list arguments) {
  34   return ::vsnprintf(buffer, size, format, arguments);
  35 }
  36
  37 inline int strncmp16(const char16* s1, const char16* s2, size_t count) {
  38 #if defined(WCHAR_T_IS_UTF16)
  39   return ::wcsncmp(s1, s2, count);
  40 #elif defined(WCHAR_T_IS_UTF32)
  41   return c16memcmp(s1, s2, count);
  42 #endif
  43 }
  44
  45 inline int vswprintf(wchar_t* buffer, size_t size,
  46                      const wchar_t* format, va_list arguments) {
  47 #if defined(OS_OPENBSD)
  48   // TODO(phajdan.jr): There is a patch to add vswprintf to OpenBSD,
  49   // http://marc.info/?l=openbsd-tech&m=130003157729839&w=2
  50   NOTIMPLEMENTED();
  51   return -1;
  52 #else
  53   DCHECK(IsWprintfFormatPortable(format));
  54   return ::vswprintf(buffer, size, format, arguments);
  55 #endif
  56 }
  57
  58 }  // namespace base
  59
  60 #endif  // BASE_STRING_UTIL_POSIX_H_