int __cdecl _cputs (
const char *string
)
{
ULONG num_written;
int error = 0; /* error occurred? */
_mlock(_CONIO_LOCK); /* acquire console lock */
/*
* _confh, the handle to the console output, is created the
* first time that either _putch() or _cputs() is called.
*/
if (_confh == -2)
__initconout();
/* write string to console file handle */
if ( (_confh == -1) || !WriteConsole( (HANDLE)_confh,
(LPVOID)string,
strlen(string),
&num_written,
NULL )
)
/* return error indicator */
error = -1;
_munlock(_CONIO_LOCK); /* release console lock */
return error;
}
wint_t __cdecl _putwch_nolock (
wchar_t ch
)
{
int size, num_written;
static int use_w = 2;
char mbc[MB_LEN_MAX +1];
if ( use_w)
{
if (_confh == -2)
__initconout();
/* write character to console file handle */
if (_confh == -1)
return WEOF;
else if ( !WriteConsoleW( (HANDLE)_confh,
(LPVOID)&ch,
1,
&num_written,
NULL )
)
{
if ( use_w == 2 && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
use_w = 0;
else
return WEOF;
} else
use_w = 1;
}
if ( use_w == 0)
{
size = WideCharToMultiByte(
GetConsoleOutputCP(),
0,
(LPWSTR)&ch, 1,
mbc,
MB_LEN_MAX,
NULL,
NULL
);
if ( (_confh == -1) || !WriteConsole( (HANDLE)_confh,
(LPVOID)mbc,
size,
&num_written,
NULL )
)
/* return error indicator */
return WEOF;
}
return ch;
}
int __cdecl _cputs (
const char *string
)
{
int error = 0; /* error occurred? */
_VALIDATE_CLEAR_OSSERR_RETURN((string != NULL), EINVAL, -1);
_mlock(_CONIO_LOCK); /* acquire console lock */
__try {
/*
* _confh, the handle to the console output, is created the
* first time that either _putch() or _cputs() is called.
*/
if (_confh == -2)
__initconout();
/* write string to console file handle */
/*
* What is more important when writing to console. I don't think if
* speed should matter too much. This justification is used for writing
* the string to Console. Here we are converting each and every
* character to wide character and then writing it to console.
*/
while(*string)
{
if (_putch_nolock(*string++) == EOF) {
error = -1;
break;
}
}
}
__finally {
_munlock(_CONIO_LOCK); /* release console lock */
}
return error;
}