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/*
* Copyright (C) 1991, 1992 Linus Torvalds
*/
#include <xen/string.h>
#include <xen/ctype.h>
/**
* strncasecmp - Case insensitive, length-limited string comparison
* @s1: One string
* @s2: The other string
* @len: the maximum number of characters to compare
*/
int (strncasecmp)(const char *s1, const char *s2, size_t len)
{
/* Yes, Virginia, it had better be unsigned */
unsigned char c1, c2;
c1 = 0; c2 = 0;
if (len) {
do {
c1 = *s1; c2 = *s2;
s1++; s2++;
if (!c1)
break;
if (!c2)
break;
if (c1 == c2)
continue;
c1 = tolower(c1);
c2 = tolower(c2);
if (c1 != c2)
break;
} while (--len);
}
return (int)c1 - (int)c2;
}
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*/
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