wtf/StringExtras.cpp

   1 /*
   2  * Copyright (C) 2009 Company 100, Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27
  28 #if COMPILER(RVCT) && __ARMCC_VERSION < 400000
  29
  30 #include "StringExtras.h"
  31
  32 #include "ASCIICType.h"
  33
  34 int strcasecmp(const char* s1, const char* s2)
  35 {
  36     while (toASCIIUpper(*s1) == toASCIIUpper(*s2)) {
  37         if (*s1 == '\0')
  38             return 0;
  39         s1++;
  40         s2++;
  41     }
  42
  43     return toASCIIUpper(*s1) - toASCIIUpper(*s2);
  44 }
  45
  46 int strncasecmp(const char* s1, const char* s2, size_t len)
  47 {
  48     while (len > 0 && toASCIIUpper(*s1) == toASCIIUpper(*s2)) {
  49         if (*s1 == '\0')
  50             return 0;
  51         s1++;
  52         s2++;
  53         len--;
  54     }
  55
  56     if (!len)
  57         return 0;
  58
  59     return toASCIIUpper(*s1) - toASCIIUpper(*s2);
  60 }
  61
  62 #endif