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Diffstat (limited to 'Utilities/cmexpat/lib/loadlibrary.c')
| -rw-r--r-- | Utilities/cmexpat/lib/loadlibrary.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/Utilities/cmexpat/lib/loadlibrary.c b/Utilities/cmexpat/lib/loadlibrary.c deleted file mode 100644 index 35fdf98..0000000 --- a/Utilities/cmexpat/lib/loadlibrary.c +++ /dev/null @@ -1,143 +0,0 @@ -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 2016 - 2017, Steve Holme, <steve_holme@hotmail.com>. - * Copyright (C) 2017, Expat development team - * - * All rights reserved. - * Licensed under the MIT license: - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF - * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH - * THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - * Except as contained in this notice, the name of a copyright holder shall - * not be used in advertising or otherwise to promote the sale, use or other - * dealings in this Software without prior written authorization of the - * copyright holder. - * - ***************************************************************************/ - -#if defined(_WIN32) - -#include <windows.h> -#include <tchar.h> - - -HMODULE _Expat_LoadLibrary(LPCTSTR filename); - - -#if !defined(LOAD_WITH_ALTERED_SEARCH_PATH) -#define LOAD_WITH_ALTERED_SEARCH_PATH 0x00000008 -#endif - -#if !defined(LOAD_LIBRARY_SEARCH_SYSTEM32) -#define LOAD_LIBRARY_SEARCH_SYSTEM32 0x00000800 -#endif - -/* We use our own typedef here since some headers might lack these */ -typedef HMODULE (APIENTRY *LOADLIBRARYEX_FN)(LPCTSTR, HANDLE, DWORD); - -/* See function definitions in winbase.h */ -#ifdef UNICODE -# ifdef _WIN32_WCE -# define LOADLIBARYEX L"LoadLibraryExW" -# else -# define LOADLIBARYEX "LoadLibraryExW" -# endif -#else -# define LOADLIBARYEX "LoadLibraryExA" -#endif - - -/* - * _Expat_LoadLibrary() - * - * This is used to dynamically load DLLs using the most secure method available - * for the version of Windows that we are running on. - * - * Parameters: - * - * filename [in] - The filename or full path of the DLL to load. If only the - * filename is passed then the DLL will be loaded from the - * Windows system directory. - * - * Returns the handle of the module on success; otherwise NULL. - */ -HMODULE _Expat_LoadLibrary(LPCTSTR filename) -{ - HMODULE hModule = NULL; - LOADLIBRARYEX_FN pLoadLibraryEx = NULL; - - /* Get a handle to kernel32 so we can access it's functions at runtime */ - HMODULE hKernel32 = GetModuleHandle(TEXT("kernel32")); - if(!hKernel32) - return NULL; /* LCOV_EXCL_LINE */ - - /* Attempt to find LoadLibraryEx() which is only available on Windows 2000 - and above */ - pLoadLibraryEx = (LOADLIBRARYEX_FN) GetProcAddress(hKernel32, LOADLIBARYEX); - - /* Detect if there's already a path in the filename and load the library if - there is. Note: Both back slashes and forward slashes have been supported - since the earlier days of DOS at an API level although they are not - supported by command prompt */ - if(_tcspbrk(filename, TEXT("\\/"))) { - /** !checksrc! disable BANNEDFUNC 1 **/ - hModule = pLoadLibraryEx ? - pLoadLibraryEx(filename, NULL, LOAD_WITH_ALTERED_SEARCH_PATH) : - LoadLibrary(filename); - } - /* Detect if KB2533623 is installed, as LOAD_LIBARY_SEARCH_SYSTEM32 is only - supported on Windows Vista, Windows Server 2008, Windows 7 and Windows - Server 2008 R2 with this patch or natively on Windows 8 and above */ - else if(pLoadLibraryEx && GetProcAddress(hKernel32, "AddDllDirectory")) { - /* Load the DLL from the Windows system directory */ - hModule = pLoadLibraryEx(filename, NULL, LOAD_LIBRARY_SEARCH_SYSTEM32); - } - else { - /* Attempt to get the Windows system path */ - UINT systemdirlen = GetSystemDirectory(NULL, 0); - if(systemdirlen) { - /* Allocate space for the full DLL path (Room for the null terminator - is included in systemdirlen) */ - size_t filenamelen = _tcslen(filename); - TCHAR *path = malloc(sizeof(TCHAR) * (systemdirlen + 1 + filenamelen)); - if(path && GetSystemDirectory(path, systemdirlen)) { - /* Calculate the full DLL path */ - _tcscpy(path + _tcslen(path), TEXT("\\")); - _tcscpy(path + _tcslen(path), filename); - - /* Load the DLL from the Windows system directory */ - /** !checksrc! disable BANNEDFUNC 1 **/ - hModule = pLoadLibraryEx ? - pLoadLibraryEx(path, NULL, LOAD_WITH_ALTERED_SEARCH_PATH) : - LoadLibrary(path); - - } - free(path); - } - } - - return hModule; -} - -#else /* defined(_WIN32) */ - -/* ISO C requires a translation unit to contain at least one declaration - [-Wempty-translation-unit] */ -typedef int _TRANSLATION_UNIT_LOAD_LIBRARY_C_NOT_EMTPY; - -#endif /* defined(_WIN32) */ |