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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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45
sdk/lib/crt/stdlib/rand.c
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@ -26,48 +26,3 @@ srand(unsigned int seed)
thread_data_t *data = msvcrt_get_thread_data();
data->random_seed = seed;
}
/*********************************************************************
* 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;
}