reactos/sdk/lib/crt/string/wcstombs_nt.c

57 lines
1.2 KiB
C

#include <ndk/umtypes.h>
#include <ndk/rtlfuncs.h>
/*
* @implemented
*/
int wctomb (char *mbchar, wchar_t wchar)
{
NTSTATUS Status;
ULONG Size;
if (mbchar == NULL)
return 0;
Status = RtlUnicodeToMultiByteN (mbchar,
1,
&Size,
&wchar,
sizeof(WCHAR));
if (!NT_SUCCESS(Status))
return -1;
return (int)Size;
}
/*
* @implemented
*/
size_t wcstombs (char *mbstr, const wchar_t *wcstr, size_t count)
{
NTSTATUS Status;
ULONG Size;
ULONG Length;
Length = (ULONG)wcslen (wcstr);
if (mbstr == NULL)
{
RtlUnicodeToMultiByteSize (&Size,
(wchar_t*)((size_t)wcstr),
Length * sizeof(WCHAR));
return (size_t)(Size / sizeof(char));
}
Status = RtlUnicodeToMultiByteN (mbstr,
(ULONG)count,
&Size,
(wchar_t*)((size_t)wcstr),
Length * sizeof(WCHAR));
if (!NT_SUCCESS(Status))
return -1;
return (size_t)(Size / sizeof(char));
}
/* EOF */