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[CRT] Move rand_s into it's own file

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This commit is contained in:
Timo Kreuzer 2024-04-15 20:44:14 +03:00
parent 0ea48e79fc
commit f319538d98
4 changed files with 72 additions and 45 deletions
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64
sdk/lib/crt/stdlib/rand_s.c Normal file
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/*
* PROJECT: ReactOS CRT library
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
* PURPOSE: rand_s implementation
* COPYRIGHT: Copyright 2010 Sylvain Petreolle <spetreolle@yahoo.fr>
* Copyright 2015 Christoph von Wittich <christoph_vw@reactos.org>
* Copyright 2015 Pierre Schweitzer <pierre@reactos.org>
*/
#include <precomp.h>
/*********************************************************************
* rand_s (MSVCRT.@)
*/
int CDECL rand_s(unsigned int *pval)
{
BOOLEAN (WINAPI *pSystemFunction036)(PVOID, ULONG); // RtlGenRandom
HINSTANCE hadvapi32;
if (!pval)
{
_invalid_parameter(NULL,_CRT_WIDE("rand_s"),_CRT_WIDE(__FILE__),__LINE__, 0);
*_errno() = EINVAL;
return EINVAL;
}
*pval = 0;
hadvapi32 = LoadLibraryA("advapi32.dll");
if (!hadvapi32)
{
_invalid_parameter(NULL,_CRT_WIDE("rand_s"),_CRT_WIDE(__FILE__),__LINE__, 0);
*_errno() = EINVAL;
return EINVAL;
}
pSystemFunction036 = (void*)GetProcAddress(hadvapi32, "SystemFunction036");
if (!pSystemFunction036)
{
_invalid_parameter(NULL,_CRT_WIDE("rand_s"),_CRT_WIDE(__FILE__),__LINE__, 0);
*_errno() = EINVAL;
FreeLibrary(hadvapi32);
return EINVAL;
}
if (!pSystemFunction036(pval, sizeof(*pval)))
{
_invalid_parameter(NULL,_CRT_WIDE("rand_s"),_CRT_WIDE(__FILE__),__LINE__, 0);
*_errno() = EINVAL;
FreeLibrary(hadvapi32);
return EINVAL;
}
FreeLibrary(hadvapi32);
return 0;
}
// Small hack: import stub to allow GCC's stdc++ to link
#if defined(__GNUC__) && (DLL_EXPORT_VERSION < 0x600)
#ifdef WIN64
const void* __imp_rand_s = rand_s;
#else
const void* _imp_rand_s = rand_s;
#endif
#endif