56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
#include <windows.h>
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#include <malloc.h>
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#include <errno.h>
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#include <msvcrt.h>
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#include <sec_api/conio_s.h>
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static errno_t __cdecl _int_cgetws_s (wchar_t *, size_t, size_t *);
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static errno_t __cdecl _stub (wchar_t *, size_t, size_t *);
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errno_t __cdecl (*__MINGW_IMP_SYMBOL(_cgetws_s))(wchar_t *, size_t, size_t *) =
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_stub;
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static errno_t __cdecl
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_stub (wchar_t *s, size_t l, size_t *r_len)
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{
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errno_t __cdecl (*f)(wchar_t *, size_t, size_t *) = __MINGW_IMP_SYMBOL(_cgetws_s);
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if (f == _stub)
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{
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f = (errno_t __cdecl (*)(wchar_t *, size_t, size_t *))
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GetProcAddress (__mingw_get_msvcrt_handle (), "_cgetws_s");
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if (!f)
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f = _int_cgetws_s;
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__MINGW_IMP_SYMBOL(_cgetws_s) = f;
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}
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return (*f)(s, l, r_len);
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}
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errno_t __cdecl
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_cgetws_s (wchar_t *s, size_t l, size_t *r_len)
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{
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return _stub (s, l, r_len);
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}
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static errno_t __cdecl
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_int_cgetws_s (wchar_t *s, size_t l, size_t *r_len)
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{
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wchar_t *h, *p;
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if (s && l)
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s[0] = 0;
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if (!s || !l || !r_len)
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{
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_cgetws (NULL);
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return EINVAL;
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}
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p = (wchar_t *) alloca ((l + 2) * sizeof (wchar_t));
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p[0] = l;
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h = _cgetws (s);
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if (!h)
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return EINVAL;
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*r_len = (size_t) p[1];
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memcpy (s, &p[2], *r_len);
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return 0;
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}
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