62 lines
2 KiB
C
62 lines
2 KiB
C
#include <windows.h>
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#include "versionhelpers.h"
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typedef NTSTATUS(WINAPI* RTLVERIFYVERSIONINFOPROC)(PRTL_OSVERSIONINFOEXW, ULONG, ULONGLONG);
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typedef ULONGLONG(WINAPI* VERSETCONDITIONMASKPROC)(ULONGLONG, DWORD, BYTE);
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typedef const char* (CDECL* WINE_GET_VERSIONPROC)();
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typedef void (CDECL* WINE_GET_HOST_VERSIONPROC)(const char** sysname, const char** release);
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static RTLVERIFYVERSIONINFOPROC RtlVerifyVersionInfo;
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static VERSETCONDITIONMASKPROC VerSetConditionMaskProc;
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static WINE_GET_VERSIONPROC wine_get_version;
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static WINE_GET_HOST_VERSIONPROC wine_get_host_version;
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/* GetProcAddress is rather slow so we use a function to initialize it once on startup */
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void verhelp_init()
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{
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HMODULE mod = GetModuleHandleA("ntdll.dll");
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if (mod)
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{
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RtlVerifyVersionInfo = (RTLVERIFYVERSIONINFOPROC)GetProcAddress(mod, "RtlVerifyVersionInfo");
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wine_get_version = (WINE_GET_VERSIONPROC)GetProcAddress(mod, "wine_get_version");
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wine_get_host_version = (WINE_GET_HOST_VERSIONPROC)GetProcAddress(mod, "wine_get_host_version");
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}
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mod = GetModuleHandleA("Kernel32.dll");
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if (mod)
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{
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VerSetConditionMaskProc = (VERSETCONDITIONMASKPROC)GetProcAddress(mod, "VerSetConditionMask");
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}
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}
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BOOL verhelp_verify_version(PRTL_OSVERSIONINFOEXW versionInfo, ULONG typeMask, ULONGLONG conditionMask)
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{
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return RtlVerifyVersionInfo ?
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RtlVerifyVersionInfo(versionInfo, typeMask, conditionMask) == 0 :
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VerifyVersionInfoW(versionInfo, typeMask, conditionMask);
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}
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ULONGLONG verhelp_set_mask(ULONGLONG ConditionMask, DWORD TypeMask, BYTE Condition)
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{
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return VerSetConditionMaskProc ? VerSetConditionMaskProc(ConditionMask, TypeMask, Condition) : 0;
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}
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const char* verhelp_wine_get_version()
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{
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return wine_get_version ? wine_get_version() : NULL;
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}
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void verhelp_wine_get_host_version(const char** sysname, const char** release)
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{
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if (wine_get_host_version)
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{
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wine_get_host_version(sysname, release);
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return;
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}
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if (sysname)
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*sysname = NULL;
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if (release)
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*release = NULL;
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}
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