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/***
*wtox.c - _wtoi and _wtol conversion
*
* Copyright (c) 1993, Microsoft Corporation. All rights reserved.
*
*Purpose:
* Converts a wide character string into an int or long.
*
*Revision History:
* 09-10-93 CFW Module created, based on ASCII version.
*
*******************************************************************************/
#include <windows.h>
#include <stdlib.h>
#define INT_SIZE_LENGTH 20
#define LONG_SIZE_LENGTH 40
/***
*long _wtol(wchar_t *nptr) - Convert wide string to long
*
*Purpose:
* Converts wide string pointed to by nptr to binary.
* Overflow is not detected. Because of this, we can just use
* atol().
*
*Entry:
* nptr = ptr to wide string to convert
*
*Exit:
* return long value of the string
*
*Exceptions:
* None - overflow is not detected.
*
*******************************************************************************/
long _CRTAPI1 _wtol(
const wchar_t *nptr
)
{
char astring[INT_SIZE_LENGTH];
int defused;
WideCharToMultiByte (CP_ACP, 0, nptr, -1,
astring, INT_SIZE_LENGTH, NULL, &defused);
return (atol(astring));
}
/***
*int _wtoi(wchar_t *nptr) - Convert wide string to int
*
*Purpose:
* Converts wide string pointed to by nptr to binary.
* Overflow is not detected. Because of this, we can just use
* atol().
*
*Entry:
* nptr = ptr to wide string to convert
*
*Exit:
* return int value of the string
*
*Exceptions:
* None - overflow is not detected.
*
*******************************************************************************/
int _CRTAPI1 _wtoi(
const wchar_t *nptr
)
{
char astring[INT_SIZE_LENGTH];
int defused;
WideCharToMultiByte (CP_ACP, 0, nptr, -1,
astring, INT_SIZE_LENGTH, NULL, &defused);
return ((int)atol(astring));
}
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