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/*
* Copyright (c) 1997, 98, 2000, 01
* Motoyuki Kasahara
*
* This programs is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/*
* This program requires the following Autoconf macros:
* AC_C_CONST
* AC_TYPE_SIZE_T
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#else
/* Define to empty if the keyword `const' does not work. */
/* #define const */
/* Define if `size_t' is not defined. */
/* #define size_t unsigned */
#endif /* not HAVE_CONFIG_H */
#include <sys/types.h>
/*
* Compare strings.
* Cases in the strings are insensitive.
*/
int
strcasecmp(string1, string2)
const char *string1;
const char *string2;
{
const unsigned char *string1_p = (const unsigned char *)string1;
const unsigned char *string2_p = (const unsigned char *)string2;
int c1, c2;
while (*string1_p != '\0') {
if ('a' <= *string1_p && *string1_p <= 'z')
c1 = *string1_p - ('a' - 'A');
else
c1 = *string1_p;
if ('a' <= *string2_p && *string2_p <= 'z')
c2 = *string2_p - ('a' - 'A');
else
c2 = *string2_p;
if (c1 != c2)
return c1 - c2;
string1_p++;
string2_p++;
}
return -(*string2_p);
}
/*
* Compare strings within `n' characters.
* Cases in the strings are insensitive.
*/
int
strncasecmp(string1, string2, n)
const char *string1;
const char *string2;
size_t n;
{
const unsigned char *string1_p = (const unsigned char *)string1;
const unsigned char *string2_p = (const unsigned char *)string2;
size_t i = n;
int c1, c2;
if (i <= 0)
return 0;
while (*string1_p != '\0') {
if ('a' <= *string1_p && *string1_p <= 'z')
c1 = *string1_p - ('a' - 'A');
else
c1 = *string1_p;
if ('a' <= *string2_p && *string2_p <= 'z')
c2 = *string2_p - ('a' - 'A');
else
c2 = *string2_p;
if (c1 != c2)
return c1 - c2;
string1_p++;
string2_p++;
i--;
if (i <= 0)
return 0;
}
return -(*string2_p);
}
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