#include "common.h"

#include "missing.h"

#include <ctype.h>
#include <string.h>

#ifndef HAVE_MEMICMP
int
memicmp( const void* s1, const void* s2, size_t len )
{
	char* x1 = new char[len];
	char* x2 = new char[len];
	const char* tmp1 = static_cast(const char*)(s1);
	const char* tmp2 = static_cast(const char*)(s2);

	for (size_t i = 0; i < len; ++i) {
		x1[i] = tolower(tmp1[i]);
		x2[i] = tolower(tmp2[i]);
	}
	int ret = memcmp(x1, x2, len);
	delete[] x1;
	delete[] x2;
	return ret;
}
#endif


#if !defined(HAVE_STRICMP) && !defined(HAVE_STRCASECMP)
int
stricmp( const char* s1, const char* s2 )
{
	char* x1 = new char[strlen(s1)];
	char* x2 = new char[strlen(s2)];

	for (size_t i = 0; s1[i] != '\0' and s2[i] != '\0'; ++i) {
		x1[i] = tolower(s1[i]);
		x2[i] = tolower(s2[i]);
	}
	int ret = strcmp(x1, x2);
	delete[] x1;
	delete[] x2;
	return ret;
}
#endif


#if !defined(HAVE_STRNICMP) && !defined(HAVE_STRNCASECMP)
int
strnicmp( const char* s1, const char* s2, size_t n )
{
	char* x1 = new char[n];
	char* x2 = new char[n];

	for (size_t i = 0; i < n and s1[i] != '\0' and s2[i] != '\0'; ++i) {
		x1[i] = tolower(s1[i]);
		x2[i] = tolower(s2[i]);
	}
	int ret = strncmp(s1, s2, n);
	delete[] x1;
	delete[] x2;
	return ret;
}
#endif


#ifndef HAVE_WCSLEN
size_t
wcslen( wchar_t* s )
{
	size_t len = 0;
	while (*s++)
		++len;
	return len;
}
#endif

/* Copy a wide character string.
 */
#ifndef HAVE_WCSCPY
wchar_t*
wcscpy( wchar_t* dest, const wchar_t* src )
{
	wchar_t *start = dest;
	while ((*dest++ = *src++) != 0)
		;
	return start;
}
#endif