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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <assert.h>
#include <ctype.h>
#include <string.h>
#include <strings.h>
extern "C" {
void bzero(void* dest, size_t n)
{
memset(dest, 0, n);
}
void bcopy(const void* src, void* dest, size_t n)
{
memmove(dest, src, n);
}
static char foldcase(char ch)
{
if (isalpha(ch))
return tolower(ch);
return ch;
}
int strcasecmp(const char* s1, const char* s2)
{
for (; foldcase(*s1) == foldcase(*s2); ++s1, ++s2) {
if (*s1 == 0)
return 0;
}
return foldcase(*(const unsigned char*)s1) < foldcase(*(const unsigned char*)s2) ? -1 : 1;
}
int strncasecmp(const char* s1, const char* s2, size_t n)
{
if (!n)
return 0;
do {
if (foldcase(*s1) != foldcase(*s2++))
return foldcase(*(const unsigned char*)s1) - foldcase(*(const unsigned char*)--s2);
if (*s1++ == 0)
break;
} while (--n);
return 0;
}
}
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