ReactOS  0.4.15-dev-321-g2d9b385
_wcslwr_s.c
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1 /*
2  * The C RunTime DLL
3  *
4  * Implements C run-time functionality as known from UNIX.
5  *
6  * Copyright 1996,1998 Marcus Meissner
7  * Copyright 1996 Jukka Iivonen
8  * Copyright 1997 Uwe Bonnes
9  */
10 
11 #include <precomp.h>
12 
13 /*
14  * @implemented
15  */
16 int _wcslwr_s(wchar_t* str, size_t n)
17 {
18  wchar_t *ptr=str;
19  if (!str || !n)
20  {
21  if (str) *str = '\0';
22  *_errno() = EINVAL;
23  return EINVAL;
24  }
25 
26  while (n--)
27  {
28  if (!*ptr) return 0;
29  *ptr = towlower(*ptr);
30  ptr++;
31  }
32 
33  /* MSDN claims that the function should return and set errno to
34  * ERANGE, which doesn't seem to be true based on the tests. */
35  *str = '\0';
36  *_errno() = EINVAL;
37  return EINVAL;
38 }
Definition: arc.h:39
GLdouble n
Definition: glext.h:7729
int _wcslwr_s(wchar_t *str, size_t n)
Definition: _wcslwr_s.c:16
static PVOID ptr
Definition: dispmode.c:27
const WCHAR * str
_CRTIMP int *__cdecl _errno(void)
Definition: errno.c:19
#define towlower(c)
Definition: wctype.h:97