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/* Copyright 1998 by the Massachusetts Institute of Technology. 
 * 
 * Permission to use, copy, modify, and distribute this 
 * software and its documentation for any purpose and without 
 * fee is hereby granted, provided that the above copyright 
 * notice appear in all copies and that both that copyright 
 * notice and this permission notice appear in supporting 
 * documentation, and that the name of M.I.T. not be used in 
 * advertising or publicity pertaining to distribution of the 
 * software without specific, written prior permission. 
 * M.I.T. makes no representations about the suitability of 
 * this software for any purpose.  It is provided "as is" 
 * without express or implied warranty. 
 */ 
 
#include "ares_setup.h" 
#include "ares_strcasecmp.h" 
 
#ifndef HAVE_STRCASECMP 
int ares_strcasecmp(const char *a, const char *b) 
{ 
#if defined(HAVE_STRCMPI) 
  return strcmpi(a, b); 
#elif defined(HAVE_STRICMP) 
  return stricmp(a, b); 
#else 
  size_t i; 
 
  for (i = 0; i < (size_t)-1; i++) { 
    int c1 = ISUPPER(a[i]) ? tolower(a[i]) : a[i]; 
    int c2 = ISUPPER(b[i]) ? tolower(b[i]) : b[i]; 
    if (c1 != c2) 
      return c1-c2; 
    if (!c1) 
      break; 
  } 
  return 0; 
#endif 
} 
#endif 
 
#ifndef HAVE_STRNCASECMP 
int ares_strncasecmp(const char *a, const char *b, size_t n) 
{ 
#if defined(HAVE_STRNCMPI) 
  return strncmpi(a, b, n); 
#elif defined(HAVE_STRNICMP) 
  return strnicmp(a, b, n); 
#else 
  size_t i; 
 
  for (i = 0; i < n; i++) { 
    int c1 = ISUPPER(a[i]) ? tolower(a[i]) : a[i]; 
    int c2 = ISUPPER(b[i]) ? tolower(b[i]) : b[i]; 
    if (c1 != c2) 
      return c1-c2; 
    if (!c1) 
      break; 
  } 
  return 0; 
#endif 
} 
#endif