#include #include #include #include #include #include typedef int (*TEST_AB_FN)(int a, int b); int TestLibraryGetProcAddress(int argc, char* argv[]) { int a, b, c; HINSTANCE library; TEST_AB_FN pFunctionA; TEST_AB_FN pFunctionB; LPCSTR SharedLibraryExtension; CHAR LibraryPath[PATHCCH_MAX_CCH]; PCHAR p; WINPR_UNUSED(argc); WINPR_UNUSED(argv); if (!GetModuleFileNameA(NULL, LibraryPath, PATHCCH_MAX_CCH)) { printf("%s: GetModuleFilenameA failed: 0x%08" PRIX32 "\n", __func__, GetLastError()); return -1; } /* PathCchRemoveFileSpec is not implemented in WinPR */ if (!(p = strrchr(LibraryPath, PathGetSeparatorA(PATH_STYLE_NATIVE)))) { printf("%s: Error identifying module directory path\n", __func__); return -1; } *p = 0; NativePathCchAppendA(LibraryPath, PATHCCH_MAX_CCH, "TestLibraryA"); SharedLibraryExtension = PathGetSharedLibraryExtensionA(PATH_SHARED_LIB_EXT_WITH_DOT); NativePathCchAddExtensionA(LibraryPath, PATHCCH_MAX_CCH, SharedLibraryExtension); printf("%s: Loading Library: '%s'\n", __func__, LibraryPath); if (!(library = LoadLibraryA(LibraryPath))) { printf("%s: LoadLibraryA failure: 0x%08" PRIX32 "\n", __func__, GetLastError()); return -1; } if (!(pFunctionA = (TEST_AB_FN)GetProcAddress(library, "FunctionA"))) { printf("%s: GetProcAddress failure (FunctionA)\n", __func__); return -1; } if (!(pFunctionB = (TEST_AB_FN)GetProcAddress(library, "FunctionB"))) { printf("%s: GetProcAddress failure (FunctionB)\n", __func__); return -1; } a = 2; b = 3; c = pFunctionA(a, b); /* LibraryA / FunctionA multiplies a and b */ if (c != (a * b)) { printf("%s: pFunctionA call failed\n", __func__); return -1; } a = 10; b = 5; c = pFunctionB(a, b); /* LibraryA / FunctionB divides a by b */ if (c != (a / b)) { printf("%s: pFunctionB call failed\n", __func__); return -1; } if (!FreeLibrary(library)) { printf("%s: FreeLibrary failure: 0x%08" PRIX32 "\n", __func__, GetLastError()); return -1; } return 0; }