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1 #include <windows.h>
2 #include <malloc.h>
3 #include <time.h>
4 #include <errno.h>
5 #include <msvcrt.h>
6 
7 static errno_t __cdecl _int_wstrtime_s (wchar_t *, size_t);
8 static errno_t __cdecl _stub (wchar_t *, size_t);
9 
10 errno_t __cdecl (*__MINGW_IMP_SYMBOL(_wstrtime_s))(wchar_t *, size_t) =
11  _stub;
12 
13 static errno_t __cdecl
_stub(wchar_t * d,size_t dn)14 _stub (wchar_t *d, size_t dn)
15 {
16   errno_t __cdecl (*f)(wchar_t *, size_t) = __MINGW_IMP_SYMBOL(_wstrtime_s);
17 
18   if (f == _stub)
19     {
20 	f = (errno_t __cdecl (*)(wchar_t *, size_t))
21 	    GetProcAddress (__mingw_get_msvcrt_handle (), "_wstrtime_s");
22 	if (!f)
23 	  f = _int_wstrtime_s;
24 	__MINGW_IMP_SYMBOL(_wstrtime_s) = f;
25     }
26   return (*f)(d, dn);
27 }
28 
29 errno_t __cdecl
_wstrtime_s(wchar_t * d,size_t dn)30 _wstrtime_s (wchar_t *d, size_t dn)
31 {
32   return _stub (d, dn);
33 }
34 
35 static errno_t __cdecl
_int_wstrtime_s(wchar_t * d,size_t dn)36 _int_wstrtime_s (wchar_t *d, size_t dn)
37 {
38   SYSTEMTIME dt;
39   int hours, minutes, seconds;
40 
41   if (!d || !dn)
42     {
43       errno = EINVAL;
44       return EINVAL;
45     }
46 
47   d[0] = 0;
48 
49   if (dn < 9)
50     {
51       errno = ERANGE;
52       return ERANGE;
53     }
54 
55   GetLocalTime (&dt);
56 
57   hours = dt.wHour;
58   minutes = dt.wMinute;
59   seconds = dt.wSecond;
60 
61   d[2] = d[5] = ':';
62   d[0] = (wchar_t) (hours / 10 + '0');
63   d[1] = (wchar_t) (hours % 10 + '0');
64   d[3] = (wchar_t) (minutes / 10 + '0');
65   d[4] = (wchar_t) (minutes % 10 + '0');
66   d[6] = (wchar_t) (seconds / 10 + '0');
67   d[7] = (wchar_t) (seconds % 10 + '0');
68   d[8] = 0;
69 
70   return 0;
71 }
72