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/********************************************************/
/* ntapi: Native API core library */
/* Copyright (C) 2013--2018 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
/********************************************************/
#include <psxtypes/psxtypes.h>
#include <ntapi/nt_status.h>
#include "ntapi_impl.h"
static int32_t __tt_dec_utf16_to_uint64(
__in const wchar16_t * wch_arg,
__in const wchar16_t * wch_cap,
__out uint64_t * key)
{
int32_t status;
uint64_t lkey;
uint64_t hkey;
const wchar16_t * wch;
if (wch_cap <= wch_arg)
return NT_STATUS_INVALID_PARAMETER;
else if (wch_cap - wch_arg > 20)
return NT_STATUS_INVALID_PARAMETER;
lkey = 0;
hkey = 0;
if (wch_cap - wch_arg == 20) {
if ((status = __tt_dec_utf16_to_uint64(
&wch_arg[6],wch_cap,
&hkey)))
return status;
if (hkey > 18446744073709)
return NT_STATUS_INTEGER_OVERFLOW;
hkey *= 1000000;
wch_cap = &wch_arg[6];
}
for (wch=wch_arg; wch<wch_cap; wch++) {
if ((*wch < '0') || (*wch > '9'))
return NT_STATUS_INVALID_PARAMETER;
lkey *= 10;
lkey += *wch - '0';
}
*key = lkey + hkey;
return NT_STATUS_SUCCESS;
}
int32_t __stdcall __ntapi_tt_dec_utf16_to_uint16(
__in const wchar16_t * wch_arg,
__in const wchar16_t * wch_cap,
__out uint16_t * key)
{
int32_t status;
uint64_t skey;
uint16_t rkey;
if ((status = __tt_dec_utf16_to_uint64(wch_arg,wch_cap,&skey)))
return status;
if ((rkey = skey) < skey)
return NT_STATUS_INTEGER_OVERFLOW;
*key = rkey;
return NT_STATUS_SUCCESS;
}
int32_t __stdcall __ntapi_tt_dec_utf16_to_uint32(
__in const wchar16_t * wch_arg,
__in const wchar16_t * wch_cap,
__out uint32_t * key)
{
int32_t status;
uint64_t skey;
uint32_t rkey;
if ((status = __tt_dec_utf16_to_uint64(wch_arg,wch_cap,&skey)))
return status;
if ((rkey = skey) < skey)
return NT_STATUS_INTEGER_OVERFLOW;
*key = rkey;
return NT_STATUS_SUCCESS;
}
int32_t __stdcall __ntapi_tt_dec_utf16_to_uint64(
__in const wchar16_t * wch_arg,
__in const wchar16_t * wch_cap,
__out uint64_t * key)
{
return __tt_dec_utf16_to_uint64(
wch_arg,wch_cap,key);
}
#ifdef __NT32
int32_t __stdcall __ntapi_tt_dec_utf16_to_uintptr(
__in const wchar16_t * wch_arg,
__in const wchar16_t * wch_cap,
__out uintptr_t * key)
{
return __tt_dec_utf16_to_uint32(
wch_arg,wch_cap,key);
}
#endif
#ifdef __NT64
int32_t __stdcall __ntapi_tt_dec_utf16_to_uintptr(
__in const wchar16_t * wch_arg,
__in const wchar16_t * wch_cap,
__out uintptr_t * key)
{
return __tt_dec_utf16_to_uint64(
wch_arg,wch_cap,key);
}
#endif
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