ruby/wince/sys/utime.c

45 строки
1.1 KiB
C

/***************************************************************
utime.c
***************************************************************/
#include <windows.h>
#include <sys/utime.h>
#include "..\wince.h" /* for wce_mbtowc */
#ifdef _WIN32_WCE
#if _WIN32_WCE < 300
#define Int32x32To64(a, b) ((LONGLONG)((LONG)(a)) * (LONGLONG)((LONG)(b)))
/* #define Int32x32To64(a, b) ((__int64)((LONG)(a)) * (__int64)((LONG)(b))) */
#endif
#endif
int utime(const char *f, struct utimbuf *t)
{
HANDLE h;
FILETIME atime={0}, mtime={0};
__int64 time64;
BOOL rc;
wchar_t *w;
w = wce_mbtowc(f);
h = CreateFileW(w, GENERIC_WRITE,
FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, 0, 0);
free(w);
if( h==INVALID_HANDLE_VALUE )
return -1;
time64 = Int32x32To64(t->actime, 10000000) + 116444736000000000;
atime.dwLowDateTime = (DWORD)time64;
atime.dwHighDateTime = (DWORD)(time64 >> 32);
time64 = Int32x32To64(t->modtime, 10000000) + 116444736000000000;
mtime.dwLowDateTime = (DWORD)time64;
mtime.dwHighDateTime = (DWORD)(time64 >> 32);
rc = SetFileTime(h, NULL, &atime, &mtime);
return rc==TRUE ? 0 : -1;
}