mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-07-09 00:15:48 -07:00
105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* return DLL version information.
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*/
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#include "precompiled.h"
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#include "wdll_ver.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "win.h"
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#include "wutil.h"
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#include "lib/allocators/shared_ptr.h"
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#if MSC_VERSION
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#pragma comment(lib, "version.lib") // DLL version
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#endif
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//-----------------------------------------------------------------------------
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static LibError ReadVersionString(const OsPath& modulePathname_, char* out_ver, size_t out_ver_len)
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{
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WinScopedPreserveLastError s; // GetFileVersion*, Ver*
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WinScopedDisableWow64Redirection noRedirect;
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const std::string modulePathname = modulePathname_.external_file_string();
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// determine size of and allocate memory for version information.
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DWORD unused;
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const DWORD ver_size = GetFileVersionInfoSize(modulePathname.c_str(), &unused);
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if(!ver_size)
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{
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// check if the failure is due to not finding modulePathname
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// (necessary since GetFileVersionInfoSize doesn't SetLastError)
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HMODULE hModule = LoadLibraryEx(modulePathname.c_str(), 0, LOAD_LIBRARY_AS_DATAFILE);
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FreeLibrary(hModule);
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const LibError err = hModule? ERR::_1 : ERR::_2;
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WARN_RETURN(err);
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}
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shared_ptr<u8> mem = Allocate(ver_size);
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if(!GetFileVersionInfo(modulePathname.c_str(), 0, ver_size, mem.get()))
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WARN_RETURN(ERR::_3);
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u16* lang; // -> 16 bit language ID, 16 bit codepage
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UINT lang_len;
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const BOOL ok = VerQueryValue(mem.get(), "\\VarFileInfo\\Translation", (void**)&lang, &lang_len);
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if(!ok || !lang || lang_len != 4)
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WARN_RETURN(ERR::_4);
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char subblock[64];
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sprintf(subblock, "\\StringFileInfo\\%04X%04X\\FileVersion", lang[0], lang[1]);
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const char* in_ver;
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UINT in_ver_len;
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if(!VerQueryValue(mem.get(), subblock, (void**)&in_ver, &in_ver_len))
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WARN_RETURN(ERR::_5);
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strcpy_s(out_ver, out_ver_len, in_ver);
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return INFO::OK;
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}
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void wdll_ver_Append(const OsPath& pathname, std::string& list)
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{
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// pathname may not have an extension (e.g. driver names from the
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// registry). note that always appending ".dll" would be incorrect
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// since some have ".sys" extension.
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OsPath modulePathname(pathname);
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if(fs::extension(modulePathname).empty())
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modulePathname = fs::change_extension(modulePathname, ".dll");
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const std::string moduleName(modulePathname.leaf());
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// read file version.
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// (note: we can ignore the return value since the default
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// text has already been set)
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char versionString[500] = "unknown"; // enclosed in () below
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(void)ReadVersionString(modulePathname, versionString, ARRAY_SIZE(versionString));
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if(!list.empty())
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list += ", ";
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list += moduleName;
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list += " (";
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list += versionString;
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list += ")";
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}
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