[Ttssh2-commit] [6397] Windows 95, 98, Me, NT4.0 で ttermpro.exe が起動しない問題を修正

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svnno****@sourc***** svnno****@sourc*****
2016年 6月 5日 (日) 15:21:57 JST


Revision: 6397
          http://sourceforge.jp/projects/ttssh2/scm/svn/commits/6397
Author:   maya
Date:     2016-06-05 15:21:57 +0900 (Sun, 05 Jun 2016)
Log Message:
-----------
Windows 95, 98, Me, NT4.0 で ttermpro.exe が起動しない問題を修正
  kernel32.dll に VerSetConditionMask がないため
  VerSetConditionMask は ULONGLONG の 1 ビット目に 1 を立てるが、理由がよくわからないので再現していない

Modified Paths:
--------------
    trunk/teraterm/common/ttlib.c

-------------- next part --------------
Modified: trunk/teraterm/common/ttlib.c
===================================================================
--- trunk/teraterm/common/ttlib.c	2016-06-01 13:32:11 UTC (rev 6396)
+++ trunk/teraterm/common/ttlib.c	2016-06-05 06:21:57 UTC (rev 6397)
@@ -1123,6 +1123,80 @@
 #endif
 }
 
+ULONGLONG _myVerSetConditionMask(ULONGLONG dwlConditionMask, DWORD dwTypeBitMask, BYTE dwConditionMask)
+{
+	ULONGLONG result, mask;
+	BYTE op = dwConditionMask & 0x07;
+
+	switch (dwTypeBitMask) {
+		case VER_MINORVERSION:
+			mask = 0x07 << (0 * 3);
+			result = dwlConditionMask & ~mask;
+			result |= op << (0 * 3);
+			break;
+		case VER_MAJORVERSION:
+			mask = 0x07 << (1 * 3);
+			result = dwlConditionMask & ~mask;
+			result |= op << (1 * 3);
+			break;
+		case VER_BUILDNUMBER:
+			mask = 0x07 << (2 * 3);
+			result = dwlConditionMask & ~mask;
+			result |= op << (2 * 3);
+			break;
+		case VER_PLATFORMID:
+			mask = 0x07 << (3 * 3);
+			result = dwlConditionMask & ~mask;
+			result |= op << (3 * 3);
+			break;
+		case VER_SERVICEPACKMINOR:
+			mask = 0x07 << (4 * 3);
+			result = dwlConditionMask & ~mask;
+			result |= op << (4 * 3);
+			break;
+		case VER_SERVICEPACKMAJOR:
+			mask = 0x07 << (5 * 3);
+			result = dwlConditionMask & ~mask;
+			result |= op << (5 * 3);
+			break;
+		case VER_SUITENAME:
+			mask = 0x07 << (6 * 3);
+			result = dwlConditionMask & ~mask;
+			result |= op << (6 * 3);
+			break;
+		case VER_PRODUCT_TYPE:
+			mask = 0x07 << (7 * 3);
+			result = dwlConditionMask & ~mask;
+			result |= op << (7 * 3);
+			break;
+	}
+
+	return result;
+}
+
+ULONGLONG myVerSetConditionMask(ULONGLONG dwlConditionMask, DWORD dwTypeBitMask, BYTE dwConditionMask)
+{
+	typedef ULONGLONG(WINAPI *func)(ULONGLONG, DWORD, BYTE);
+	static HMODULE hmodKernel32 = NULL;
+	static func pVerSetConditionMask = NULL;
+	char kernel32_dll[MAX_PATH];
+
+	GetSystemDirectory(kernel32_dll, sizeof(kernel32_dll));
+	strncat_s(kernel32_dll, sizeof(kernel32_dll), "\\kernel32.dll", _TRUNCATE);
+	if (hmodKernel32 == NULL) {
+		hmodKernel32 = LoadLibrary(kernel32_dll);
+		if (hmodKernel32 != NULL) {
+			pVerSetConditionMask = (func)GetProcAddress(hmodKernel32, "VerSetConditionMask");
+		}
+	}
+
+	if (pVerSetConditionMask == NULL) {
+		return _myVerSetConditionMask(dwlConditionMask, dwTypeBitMask, dwConditionMask);
+	}
+
+	return pVerSetConditionMask(dwlConditionMask, dwTypeBitMask, dwConditionMask);
+}
+
 // OS\x82\xAA Windows95 \x82\xA9\x82ǂ\xA4\x82\xA9\x82𔻕ʂ\xB7\x82\xE9\x81B
 //
 // return TRUE:  95
@@ -1139,9 +1213,9 @@
 	osvi.dwPlatformId = VER_PLATFORM_WIN32_WINDOWS;
 	osvi.dwMajorVersion = 4;
 	osvi.dwMinorVersion = 0;
-	VER_SET_CONDITION(dwlConditionMask, VER_PLATFORMID, op);
-	VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, op);
-	VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, op);
+	dwlConditionMask = myVerSetConditionMask(dwlConditionMask, VER_PLATFORMID, op);
+	dwlConditionMask = myVerSetConditionMask(dwlConditionMask, VER_MAJORVERSION, op);
+	dwlConditionMask = myVerSetConditionMask(dwlConditionMask, VER_MINORVERSION, op);
 	ret = myVerifyVersionInfo(&osvi, VER_PLATFORMID | VER_MAJORVERSION | VER_MINORVERSION, dwlConditionMask);
 	return (ret);
 }
@@ -1160,7 +1234,7 @@
 	ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
 	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
 	osvi.dwPlatformId = VER_PLATFORM_WIN32_NT;
-	VER_SET_CONDITION(dwlConditionMask, VER_PLATFORMID, op);
+	dwlConditionMask = myVerSetConditionMask(dwlConditionMask, VER_PLATFORMID, op);
 	ret = myVerifyVersionInfo(&osvi, VER_PLATFORMID, dwlConditionMask);
 	return (ret);
 }
@@ -1188,8 +1262,8 @@
 	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
 	osvi.dwPlatformId = VER_PLATFORM_WIN32_NT;
 	osvi.dwMajorVersion = 4;
-	VER_SET_CONDITION(dwlConditionMask, VER_PLATFORMID, op);
-	VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, op);
+	dwlConditionMask = myVerSetConditionMask(dwlConditionMask, VER_PLATFORMID, op);
+	dwlConditionMask = myVerSetConditionMask(dwlConditionMask, VER_MAJORVERSION, op);
 	ret = myVerifyVersionInfo(&osvi, VER_PLATFORMID | VER_MAJORVERSION, dwlConditionMask);
 	return (ret);
 }
@@ -1207,8 +1281,8 @@
 	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
 	osvi.dwMajorVersion = dwMajorVersion;
 	osvi.dwMinorVersion = dwMinorVersion;
-	VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, op);
-	VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, op);
+	dwlConditionMask = myVerSetConditionMask(dwlConditionMask, VER_MAJORVERSION, op);
+	dwlConditionMask = myVerSetConditionMask(dwlConditionMask, VER_MINORVERSION, op);
 	ret = myVerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION, dwlConditionMask);
 	return (ret);
 }



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