zig/lib/libc/mingw/secapi/_waccess_s.c
Andrew Kelley 49d1a4c562 move lib dirs to lib subdir
also start prefering NtDll API. so far:
 * NtQueryInformationFile
 * NtClose

adds a performance workaround for windows unicode conversion. but that
should probably be removed before merging
2019-07-15 17:54:50 -04:00

48 lines
1005 B
C

#define MINGW_HAS_SECURE_API 1
#include <windows.h>
#include <malloc.h>
#include <errno.h>
#include <msvcrt.h>
#include <sec_api/wchar_s.h>
static errno_t __cdecl _int_waccess_s (const wchar_t *, int);
static errno_t __cdecl _stub (const wchar_t *, int);
errno_t __cdecl (*__MINGW_IMP_SYMBOL(_waccess_s))(const wchar_t *, int) =
_stub;
static errno_t __cdecl
_stub (const wchar_t *s, int m)
{
errno_t __cdecl (*f)(const wchar_t *, int) = __MINGW_IMP_SYMBOL(_waccess_s);
if (f == _stub)
{
f = (errno_t __cdecl (*)(const wchar_t *, int))
GetProcAddress (__mingw_get_msvcrt_handle (), "_waccess_s");
if (!f)
f = _int_waccess_s;
__MINGW_IMP_SYMBOL(_waccess_s) = f;
}
return (*f)(s, m);
}
errno_t __cdecl
_waccess_s (const wchar_t *s, int m)
{
return _stub (s, m);
}
static errno_t __cdecl
_int_waccess_s (const wchar_t *s, int m)
{
if (!s || (m & ~6) != 0)
{
_waccess (NULL, m);
return EINVAL;
}
if (!_waccess (s, m))
return 0;
return errno;
}