49d1a4c562
also start prefering NtDll API. so far: * NtQueryInformationFile * NtClose adds a performance workaround for windows unicode conversion. but that should probably be removed before merging
31 lines
823 B
C
31 lines
823 B
C
#define _CRT_RAND_S
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#include <stdlib.h>
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#include <windows.h>
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#include <ntsecapi.h>
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#include <errno.h>
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#include <msvcrt.h>
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static BOOLEAN (WINAPI *pRtlGenRandom)(void*,ULONG);
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static errno_t mingw_rand_s(unsigned int *pval)
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{
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return !pval || !pRtlGenRandom || !pRtlGenRandom(pval, sizeof(*pval)) ? EINVAL : 0;
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}
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static errno_t __cdecl init_rand_s(unsigned int*);
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errno_t (__cdecl *__MINGW_IMP_SYMBOL(rand_s))(unsigned int*) = init_rand_s;
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static errno_t __cdecl init_rand_s(unsigned int *val)
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{
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int (__cdecl *func)(unsigned int*);
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func = (void*)GetProcAddress(__mingw_get_msvcrt_handle(), "rand_s");
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if(!func) {
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func = mingw_rand_s;
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pRtlGenRandom = (void*)GetProcAddress(LoadLibraryW(L"advapi32.dll"), "SystemFunction036");
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}
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return (__MINGW_IMP_SYMBOL(rand_s) = func)(val);
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}
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