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https://github.com/ZDoom/raze-gles.git
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Duke3D/Startup: Clean up the Windows registry reading code.
There is no need to cache the result of a function called only once for each input. git-svn-id: https://svn.eduke32.com/eduke32@5447 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
hendricks266
parent
6cb925a95d
commit
f1a658e790
1 changed files with 63 additions and 72 deletions
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@ -503,50 +503,20 @@ void G_LoadGroups(int32_t autoload)
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}
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#ifdef _WIN32
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const char * G_GetInstallPath(int32_t insttype)
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static int G_ReadRegistryValue(char const * const SubKey, char const * const Value, char * const Output, DWORD * OutputSize)
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{
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static char spath[NUMINSTPATHS][BMAX_PATH];
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static int32_t success[NUMINSTPATHS] = { -1, -1, -1, -1, -1 };
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int32_t siz = BMAX_PATH;
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HKEY hkey;
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LONG keygood = RegOpenKeyEx(HKEY_LOCAL_MACHINE, NULL, 0, KEY_READ | KEY_WOW64_32KEY, &hkey);
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// KEY_WOW64_32KEY gets us around Wow6432Node on 64-bit builds
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if (success[insttype] == -1)
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{
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HKEY HKLM32;
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LONG keygood = RegOpenKeyEx(HKEY_LOCAL_MACHINE, NULL, 0, KEY_READ | KEY_WOW64_32KEY, &HKLM32);
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// KEY_WOW64_32KEY gets us around Wow6432Node on 64-bit builds
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if (keygood != ERROR_SUCCESS)
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return 0;
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if (keygood == ERROR_SUCCESS)
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{
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switch (insttype)
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{
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case INSTPATH_STEAM_DUKE3D_MEGATON:
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success[insttype] = SHGetValueA(HKLM32, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Steam App 225140", "InstallLocation", NULL, spath[insttype], (LPDWORD)&siz);
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break;
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case INSTPATH_STEAM_DUKE3D_3DR:
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success[insttype] = SHGetValueA(HKLM32, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Steam App 359850", "InstallLocation", NULL, spath[insttype], (LPDWORD)&siz);
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break;
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case INSTPATH_GOG_DUKE3D:
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success[insttype] = SHGetValueA(HKLM32, "SOFTWARE\\GOG.com\\GOGDUKE3D", "PATH", NULL, spath[insttype], (LPDWORD)&siz);
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break;
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case INSTPATH_3DR_DUKE3D:
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success[insttype] = SHGetValueA(HKLM32, "SOFTWARE\\3DRealms\\Duke Nukem 3D", NULL, NULL, spath[insttype], (LPDWORD)&siz);
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break;
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case INSTPATH_3DR_ANTH:
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success[insttype] = SHGetValueA(HKLM32, "SOFTWARE\\3DRealms\\Anthology", NULL, NULL, spath[insttype], (LPDWORD)&siz);
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break;
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case INSTPATH_STEAM_NAM:
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success[insttype] = SHGetValueA(HKLM32, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Steam App 329650", "InstallLocation", NULL, spath[insttype], (LPDWORD)&siz);
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break;
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}
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LSTATUS retval = SHGetValueA(hkey, SubKey, Value, NULL, Output, OutputSize);
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RegCloseKey(HKLM32);
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}
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}
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RegCloseKey(hkey);
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if (success[insttype] == ERROR_SUCCESS)
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return spath[insttype];
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return NULL;
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return retval == ERROR_SUCCESS;
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}
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#endif
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@ -580,32 +550,29 @@ static void G_AddSteamPaths(const char *basepath)
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{
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char buf[BMAX_PATH];
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// Duke Nukem 3D: Megaton Edition (Steam)
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Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Duke Nukem 3D/gameroot", basepath);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Duke Nukem 3D/gameroot/addons/dc", basepath);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Duke Nukem 3D/gameroot/addons/nw", basepath);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Duke Nukem 3D/gameroot/addons/vacation", basepath);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Duke Nukem 3D/gameroot/music", basepath);
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addsearchpath(buf);
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Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Duke Nukem 3D/gameroot/music/nwinter", basepath);
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addsearchpath_user(buf, SEARCHPATH_NWINTER);
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Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Duke Nukem 3D/gameroot/music/vacation", basepath);
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addsearchpath(buf);
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// Duke Nukem 3D (3D Realms Anthology (Steam) / Kill-A-Ton Collection 2015)
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#if defined EDUKE32_OSX
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Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Duke Nukem 3D/Duke Nukem 3D.app/drive_c/Program Files/Duke Nukem 3D", basepath);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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#endif
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// NAM (Steam)
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#if defined EDUKE32_OSX
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Bsnprintf(buf, sizeof(buf), "%s/steamapps/common/Nam/Nam.app/Contents/Resources/Nam.boxer/C.harddisk/NAM", basepath);
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#else
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@ -814,6 +781,7 @@ void G_AddSearchPaths(void)
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Bsnprintf(buf, sizeof(buf), "%s/Steam/steamapps/libraryfolders.vdf", support[i]);
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G_ParseSteamKeyValuesForPaths(buf);
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// Duke Nukem 3D: Atomic Edition (GOG.com)
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Bsnprintf(buf, sizeof(buf), "%s/Duke Nukem 3D.app/Contents/Resources/Duke Nukem 3D.boxer/C.harddisk", applications[i]);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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}
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@ -832,57 +800,80 @@ void G_AddSearchPaths(void)
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Bfree(support[i]);
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}
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#elif defined (_WIN32)
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char buf[BMAX_PATH];
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const char* instpath;
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char buf[BMAX_PATH] = {0};
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DWORD bufsize;
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if ((instpath = G_GetInstallPath(INSTPATH_STEAM_DUKE3D_MEGATON)))
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// Duke Nukem 3D: Megaton Edition (Steam)
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bufsize = sizeof(buf);
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if (G_ReadRegistryValue("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Steam App 225140", "InstallLocation", buf, &bufsize))
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{
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Bsnprintf(buf, sizeof(buf), "%s/gameroot", instpath);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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char * const suffix = buf + bufsize - 1;
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DWORD const remaining = sizeof(buf) - bufsize;
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Bsnprintf(buf, sizeof(buf), "%s/gameroot/addons/dc", instpath);
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Bstrncpy(suffix, "/gameroot", remaining);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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Bsnprintf(buf, sizeof(buf), "%s/gameroot/addons/nw", instpath);
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Bstrncpy(suffix, "/gameroot/addons/dc", remaining);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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Bsnprintf(buf, sizeof(buf), "%s/gameroot/addons/vacation", instpath);
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Bstrncpy(suffix, "/gameroot/addons/nw", remaining);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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Bsnprintf(buf, sizeof(buf), "%s/gameroot/music", instpath);
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Bstrncpy(suffix, "/gameroot/addons/vacation", remaining);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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Bstrncpy(suffix, "/gameroot/music", remaining);
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addsearchpath(buf);
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Bsnprintf(buf, sizeof(buf), "%s/gameroot/music/nwinter", instpath);
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Bstrncpy(suffix, "/gameroot/music/nwinter", remaining);
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addsearchpath_user(buf, SEARCHPATH_NWINTER);
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Bsnprintf(buf, sizeof(buf), "%s/gameroot/music/vacation", instpath);
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Bstrncpy(suffix, "/gameroot/music/vacation", remaining);
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addsearchpath(buf);
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}
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if ((instpath = G_GetInstallPath(INSTPATH_STEAM_DUKE3D_3DR)))
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// Duke Nukem 3D (3D Realms Anthology (Steam) / Kill-A-Ton Collection 2015)
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bufsize = sizeof(buf);
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if (G_ReadRegistryValue("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Steam App 359850", "InstallLocation", buf, &bufsize))
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{
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Bsnprintf(buf, sizeof(buf), "%s/Duke Nukem 3D", instpath);
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char * const suffix = buf + bufsize - 1;
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DWORD const remaining = sizeof(buf) - bufsize;
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Bstrncpy(suffix, "/Duke Nukem 3D", remaining);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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}
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if ((instpath = G_GetInstallPath(INSTPATH_GOG_DUKE3D)))
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addsearchpath_user(instpath, SEARCHPATH_REMOVE);
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if ((instpath = G_GetInstallPath(INSTPATH_3DR_DUKE3D)))
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// Duke Nukem 3D: Atomic Edition (GOG.com)
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bufsize = sizeof(buf);
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if (G_ReadRegistryValue("SOFTWARE\\GOG.com\\GOGDUKE3D", "PATH", buf, &bufsize))
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{
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Bsnprintf(buf, sizeof(buf), "%s/Duke Nukem 3D", instpath);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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}
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if ((instpath = G_GetInstallPath(INSTPATH_3DR_ANTH)))
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// Duke Nukem 3D (3D Realms Anthology)
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bufsize = sizeof(buf);
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if (G_ReadRegistryValue("SOFTWARE\\3DRealms\\Duke Nukem 3D", NULL, buf, &bufsize))
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{
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Bsnprintf(buf, sizeof(buf), "%s/Duke Nukem 3D", instpath);
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char * const suffix = buf + bufsize - 1;
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DWORD const remaining = sizeof(buf) - bufsize;
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Bstrncpy(suffix, "/Duke Nukem 3D", remaining);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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}
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if ((instpath = G_GetInstallPath(INSTPATH_STEAM_NAM)))
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// 3D Realms Anthology
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bufsize = sizeof(buf);
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if (G_ReadRegistryValue("SOFTWARE\\3DRealms\\Anthology", NULL, buf, &bufsize))
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{
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Bsnprintf(buf, sizeof(buf), "%s/NAM", instpath);
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char * const suffix = buf + bufsize - 1;
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DWORD const remaining = sizeof(buf) - bufsize;
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Bstrncpy(suffix, "/Duke Nukem 3D", remaining);
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addsearchpath_user(buf, SEARCHPATH_REMOVE);
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}
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// NAM (Steam)
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bufsize = sizeof(buf);
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if (G_ReadRegistryValue("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Steam App 329650", "InstallLocation", buf, &bufsize))
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{
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char * const suffix = buf + bufsize - 1;
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DWORD const remaining = sizeof(buf) - bufsize;
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Bstrncpy(suffix, "/NAM", remaining);
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addsearchpath_user(buf, SEARCHPATH_NAM);
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}
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#endif
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