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#include <windows.h>
#include <malloc.h>
#include <errno.h>
#include <msvcrt.h>
static errno_t __cdecl _int_memcpy_s (void *, size_t, const void *, size_t);
static errno_t __cdecl _stub (void *, size_t, const void *, size_t);
errno_t __cdecl (*__MINGW_IMP_SYMBOL(memcpy_s))(void *, size_t, const void *, size_t) =
_stub;
static errno_t __cdecl
_stub (void *d, size_t dn, const void *s, size_t n)
{
errno_t __cdecl (*f)(void *, size_t, const void *, size_t) = __MINGW_IMP_SYMBOL(memcpy_s);
if (f == _stub)
{
f = (errno_t __cdecl (*)(void *, size_t, const void *, size_t))
GetProcAddress (__mingw_get_msvcrt_handle (), "memcpy_s");
if (!f)
f = _int_memcpy_s;
__MINGW_IMP_SYMBOL(memcpy_s) = f;
}
return (*f)(d, dn, s, n);
}
errno_t __cdecl
memcpy_s (void *d, size_t dn, const void *s, size_t n)
{
return _stub (d, dn, s, n);
}
static errno_t __cdecl
_int_memcpy_s (void *d, size_t dn, const void *s, size_t n)
{
if (!n)
return 0;
if (!d || !s)
{
if (d)
memset (d, 0, dn);
errno = EINVAL;
return EINVAL;
}
if (dn < n)
{
memset (d, 0, dn);
errno = ERANGE;
return ERANGE;
}
memcpy (d, s, n);
return 0;
}
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