IABSD.fr/xenocara/xserver/os/strcasecmp.c

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• Author : matthieu
  Date : 2012-06-10 13:21:05
  Hash : e60da745
  Message : Update to xserver 1.12.2. tested by naddy@, krw@, mpi@.

• xserver/os/strcasecmp.c

• /*
   * Copyright (c) 1987, 1993
   *      The Regents of the University of California.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #ifdef HAVE_DIX_CONFIG_H
  #include <dix-config.h>
  #endif
  
  #include <ctype.h>
  #include "dix.h"
  
  #ifndef HAVE_STRCASECMP
  int
  xstrcasecmp(const char *str1, const char *str2)
  {
      const u_char *us1 = (const u_char *) str1, *us2 = (const u_char *) str2;
  
      while (tolower(*us1) == tolower(*us2)) {
          if (*us1++ == '\0')
              return 0;
          us2++;
      }
  
      return (tolower(*us1) - tolower(*us2));
  }
  #endif
  
  #ifndef HAVE_STRNCASECMP
  int
  xstrncasecmp(const char *s1, const char *s2, size_t n)
  {
      if (n != 0) {
          const u_char *us1 = (const u_char *) s1, *us2 = (const u_char *) s2;
  
          do {
              if (tolower(*us1) != tolower(*us2++))
                  return (tolower(*us1) - tolower(*--us2));
              if (*us1++ == '\0')
                  break;
          } while (--n != 0);
      }
  
      return 0;
  }
  #endif