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//
// strcasecmp.cc
//
// strcasecmp: replacement of the strcasecmp functions for architectures that do
// not have it.
//
// Part of the ht://Dig package <http://www.htdig.org/>
// Copyright (c) 1999-2004 The ht://Dig Group
// For copyright details, see the file COPYING in your distribution
// or the GNU Library General Public License (LGPL) version 2 or later
// <http://www.gnu.org/copyleft/lgpl.html>
//
// $Id: strcasecmp.cc,v 1.10 2004/05/28 13:15:22 lha Exp $
//
#ifdef HAVE_CONFIG_H
#include "htconfig.h"
#endif /* HAVE_CONFIG_H */
#include "lib.h"
#include <ctype.h>
//*****************************************************************************
//
int mystrcasecmp(const char *str1, const char *str2)
{
if (!str1 && !str2)
return 0;
if (!str1)
return 1;
if (!str2)
return -1;
while (*str1 &&
*str2 &&
tolower((unsigned char)*str1) == tolower((unsigned char)*str2))
{
str1++;
str2++;
}
return tolower((unsigned char)*str1) - tolower((unsigned char)*str2);
}
//#define tolower(ch) (isupper(ch) ? (ch) + 'a' - 'A' : (ch))
//*****************************************************************************
//
int mystrncasecmp(const char *str1, const char *str2, int n)
{
if (!str1 && !str2)
return 0;
if (!str1)
return 1;
if (!str2)
return -1;
if (n < 0)
return 0;
while (n &&
*str1 &&
*str2 &&
tolower((unsigned char)*str1) == tolower((unsigned char)*str2))
{
str1++;
str2++;
n--;
}
return n == 0 ? 0 :
tolower((unsigned char)*str1) - tolower((unsigned char)*str2);
}
//*****************************************************************************
// char *strdup(char *str)
//
char *strdup(char *str)
{
char *p = new char[strlen(str) + 1];
strcpy(p, str);
return p;
}
//*****************************************************************************
// char *mystrcasestr(const char *s, const char *pattern)
//
const char *
mystrcasestr(const char *s, const char *pattern)
{
int length = strlen(pattern);
while (*s)
{
if (mystrncasecmp(s, pattern, length) == 0)
return s;
s++;
}
return 0;
}
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