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_localtime64_s (struct tm *, const __time64_t *);
8 static errno_t __cdecl _stub (struct tm *, const __time64_t *);
9
10 errno_t __cdecl (*__MINGW_IMP_SYMBOL(_localtime64_s))(struct tm *, const __time64_t *) =
11 _stub;
12
13 static errno_t __cdecl
_stub(struct tm * ptm,const __time64_t * pt)14 _stub (struct tm *ptm, const __time64_t *pt)
15 {
16 errno_t __cdecl (*f)(struct tm *, const __time64_t *) = __MINGW_IMP_SYMBOL(_localtime64_s);
17
18 if (f == _stub)
19 {
20 f = (errno_t __cdecl (*)(struct tm *, const __time64_t *))
21 GetProcAddress (__mingw_get_msvcrt_handle (), "_localtime64_s");
22 if (!f)
23 f = _int_localtime64_s;
24 __MINGW_IMP_SYMBOL(_localtime64_s) = f;
25 }
26 return (*f)(ptm, pt);
27 }
28
29 errno_t __cdecl
_localtime64_s(struct tm * ptm,const __time64_t * pt)30 _localtime64_s (struct tm *ptm, const __time64_t *pt)
31 {
32 return _stub (ptm, pt);
33 }
34
35 static errno_t __cdecl
_int_localtime64_s(struct tm * ptm,const __time64_t * pt)36 _int_localtime64_s (struct tm *ptm, const __time64_t *pt)
37 {
38 struct tm *ltm;
39
40 if (ptm)
41 memset (ptm, 0xff, sizeof (*ptm));
42 if (!ptm || !pt)
43 {
44 errno = EINVAL;
45 return EINVAL;
46 }
47 if ((ltm = _localtime64 (pt)) == NULL)
48 return errno;
49 *ptm = *ltm;
50 return 0;
51 }
52