int __cdecl _setmode(
int fh,
int mode
) {
int retval;
_VALIDATE_RETURN(((mode == _O_TEXT) ||
(mode == _O_BINARY) ||
(mode == _O_WTEXT) ||
(mode == _O_U8TEXT) ||
(mode == _O_U16TEXT)),
EINVAL, -1);
_CHECK_FH_RETURN(fh, EBADF, -1);
_VALIDATE_RETURN((fh >= 0 && (unsigned)fh < (unsigned)_nhandle), EBADF, -1);
_VALIDATE_RETURN((_osfile(fh) & FOPEN), EBADF, -1);
/* lock the file */
_lock_fh(fh);
__try {
if (_osfile(fh) & FOPEN)
/* set the text/binary mode */
{
retval = _setmode_nolock(fh, mode);
} else {
errno = EBADF;
_ASSERTE(("Invalid file descriptor. File possibly closed by a different thread", 0));
retval = -1;
}
} __finally {
/* unlock the file */
_unlock_fh(fh);
}
/* Return to user (_setmode_nolock sets errno, if needed) */
return (retval);
}
int __cdecl _commit (
int filedes
)
{
int retval;
/* if filedes out of range, complain */
_CHECK_FH_RETURN( filedes, EBADF, -1 );
_VALIDATE_RETURN((filedes >= 0 && (unsigned)filedes < (unsigned)_nhandle), EBADF, -1);
_VALIDATE_RETURN((_osfile(filedes) & FOPEN), EBADF, -1);
_lock_fh(filedes);
__try {
if (_osfile(filedes) & FOPEN) {
if ( !FlushFileBuffers((HANDLE)_get_osfhandle(filedes)) ) {
retval = GetLastError();
}
else {
retval = 0; /* return success */
}
/* map the OS return code to C errno value and return code */
if (retval == 0)
goto good;
_doserrno = retval;
}
errno = EBADF;
retval = -1;
_ASSERTE(("Invalid file descriptor. File possibly closed by a different thread",0));
good :
;
}
__finally {
_unlock_fh(filedes);
}
return (retval);
}
