rand_s.c File Reference

#include <precomp.h>

Include dependency graph for rand_s.c:

Go to the source code of this file.

Typedefs
typedef BOOLEAN(WINAPI *	PFN_SystemFunction036) (PVOID, ULONG)

Functions
int CDECL	rand_s (unsigned int *pval)

Variables
PFN_SystemFunction036	g_pfnSystemFunction036 = NULL

Typedef Documentation

PFN_SystemFunction036

typedef BOOLEAN(WINAPI * PFN_SystemFunction036) (PVOID, ULONG)

Definition at line 12 of file rand_s.c.

Function Documentation

rand_s()

int CDECL rand_s

(

unsigned int *

pval

)

Definition at line 18 of file rand_s.c.

{
    HINSTANCE hadvapi32;
 
    if (!pval)
    {
        _invalid_parameter(NULL,_CRT_WIDE("rand_s"),_CRT_WIDE(__FILE__),__LINE__, 0);
        *_errno() = EINVAL;
        return EINVAL;
    }
 
    *pval = 0;
 
    if (g_pfnSystemFunction036 == NULL)
    {
        PFN_SystemFunction036 pSystemFunction036;
 
        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;
        }
 
        g_pfnSystemFunction036 = pSystemFunction036;
    }
 
    if (!g_pfnSystemFunction036(pval, sizeof(*pval)))
    {
        _invalid_parameter(NULL,_CRT_WIDE("rand_s"),_CRT_WIDE(__FILE__),__LINE__, 0);
        *_errno() = EINVAL;
        return EINVAL;
    }
 
    return 0;
}

Referenced by START_TEST().

Variable Documentation

g_pfnSystemFunction036

PFN_SystemFunction036 g_pfnSystemFunction036 = NULL

Definition at line 13 of file rand_s.c.

Referenced by rand_s().