rainlance/c-ares
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Remove run-time requirement for advapi32.dll since

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c-ares can work even with no advapi32.dll at all.
This commit is contained in:
Yang Tse
2009-05-18 15:49:32 +00:00
parent b677ff3d15
commit 757642f675
3 changed files with 10 additions and 15 deletions
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ares_library_init.c
+9 -12
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@@ -41,23 +41,20 @@ static int ares_win32_init(void)
return ARES_EADDRGetNetworkParams;
}
/*
* When advapi32.dll is unavailable or advapi32.dll has no SystemFunction036,
* also known as RtlGenRandom, which is the case for Windows versions prior
* to WinXP then c-ares uses portable rand() function. Then don't error here.
*/
hnd_advapi32 = 0;
hnd_advapi32 = LoadLibrary("advapi32.dll");
if (!hnd_advapi32)
if (hnd_advapi32)
{
FreeLibrary(hnd_iphlpapi);
return ARES_ELOADADVAPI32;
fpSystemFunction036 = (fpSystemFunction036_t)
GetProcAddress(hnd_advapi32, "SystemFunction036");
}
fpSystemFunction036 = (fpSystemFunction036_t)
GetProcAddress(hnd_advapi32, "SystemFunction036");
/*
* Intentionally avoid checking if the address of SystemFunction036, a.k.a.
* RtlGenRandom, has been located or not. This function is only available on
* WinXP and later. When unavailable c-ares uses portable rand() function.
*/
#endif
return ARES_SUCCESS;
}