1// UNSUPPORTED: target={{.*-windows-gnu}}
2
3// This is a host program for DLL tests.
4//
5// Just make sure we can compile this.
6// The actual compile&run sequence is to be done by the DLL tests.
7// RUN: %clang_cl_asan -Od %s -Fe%t
8
9#include <stdio.h>
10#include <windows.h>
11
12int main(int argc, char **argv) {
13 if (argc != 2) {
14 printf(format: "Usage: %s [client].dll\n", argv[0]);
15 return 101;
16 }
17
18 const char *dll_name = argv[1];
19
20 HMODULE h = LoadLibrary(dll_name);
21 if (!h) {
22 DWORD err = GetLastError();
23 printf("Could not load DLL: %s (code: %lu)!\n", dll_name, err);
24
25 LPSTR buf;
26
27 FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
28 FORMAT_MESSAGE_IGNORE_INSERTS,
29 NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, 0,
30 NULL);
31
32 printf("Error: %s\n", buf);
33
34 LocalFree(buf);
35
36 return 102;
37 }
38
39 typedef int (*test_function)();
40 test_function gf = (test_function)GetProcAddress(h, "test_function");
41 if (!gf) {
42 printf(format: "Could not locate test_function in the DLL!\n");
43 FreeLibrary(h);
44 return 103;
45 }
46
47 int ret = gf();
48
49 FreeLibrary(h);
50 return ret;
51}
52

source code of compiler-rt/test/asan/TestCases/Windows/dll_host.cpp