gdi32/tests: make sure to use return values (LLVM/Clang)

[Austin English]

https://testbot.winehq.org/JobDetails.pl?Key=9085

-- 
-Austin
-------------- next part --------------
diff --git a/dlls/gdi32/tests/metafile.c b/dlls/gdi32/tests/metafile.c
index d036065..a4630f1 100644
--- a/dlls/gdi32/tests/metafile.c
+++ b/dlls/gdi32/tests/metafile.c
@@ -520,8 +520,10 @@ static void test_SaveDC(void)
     SetPixelV(hdcMetafile, 50, 50, 0);
 
     ret = GetViewportOrgEx(hdcMetafile, &pt);
+    ok(ret, "GetViewportOrgEx error %u\n", GetLastError());
     ok(pt.x == 0,"Expecting ViewportOrg x of 0, got %i\n",pt.x);
     ret = GetViewportExtEx(hdcMetafile, &size);
+    ok(ret, "GetViewportExtEx error %u\n", GetLastError());
     ok(size.cx == 120,"Expecting ViewportExt cx of 120, got %i\n",size.cx);
     ret = SaveDC(hdcMetafile);
     ok(ret == 1, "ret = %d\n", ret);
@@ -535,8 +537,10 @@ static void test_SaveDC(void)
     SetPixelV(hdcMetafile, 50, 50, 0);
 
     ret = GetViewportOrgEx(hdcMetafile, &pt);
+    ok(ret, "GetViewportOrgEx error %u\n", GetLastError());
     ok(pt.x == 10,"Expecting ViewportOrg x of 10, got %i\n",pt.x);
     ret = GetViewportExtEx(hdcMetafile, &size);
+    ok(ret, "GetViewportExtEx error %u\n", GetLastError());
     ok(size.cx == 200,"Expecting ViewportExt cx of 200, got %i\n",size.cx);
     ret = SaveDC(hdcMetafile);
     ok(ret == 2, "ret = %d\n", ret);
@@ -552,8 +556,10 @@ static void test_SaveDC(void)
     SetPixelV(hdcMetafile, 50, 50, 0);
 
     ret = GetViewportOrgEx(hdcMetafile, &pt);
+    ok(ret, "GetViewportOrgEx error %u\n", GetLastError());
     ok(pt.x == 20,"Expecting ViewportOrg x of 20, got %i\n",pt.x);
     ret = GetViewportExtEx(hdcMetafile, &size);
+    ok(ret, "GetViewportExtEx error %u\n", GetLastError());
     ok(size.cx == 300,"Expecting ViewportExt cx of 300, got %i\n",size.cx);
     ret = SaveDC(hdcMetafile);
     ok(ret == 3, "ret = %d\n", ret);
@@ -572,15 +578,19 @@ static void test_SaveDC(void)
     SetPixelV(hdcMetafile, 50, 50, 0);
 
     ret = GetViewportOrgEx(hdcMetafile, &pt);
+    ok(ret, "GetViewportOrgEx error %u\n", GetLastError());
     ok(pt.x == 30,"Expecting ViewportOrg x of 30, got %i\n",pt.x);
     ret = GetViewportExtEx(hdcMetafile, &size);
+    ok(ret, "GetViewportExtEx error %u\n", GetLastError());
     ok(size.cx == 400,"Expecting ViewportExt cx of 400, got %i\n",size.cx);
     ret = RestoreDC(hdcMetafile, -1);
     ok(ret, "ret = %d\n", ret);
 
     ret = GetViewportOrgEx(hdcMetafile, &pt);
+    ok(ret, "GetViewportOrgEx error %u\n", GetLastError());
     ok(pt.x == 20,"Expecting ViewportOrg x of 20, got %i\n",pt.x);
     ret = GetViewportExtEx(hdcMetafile, &size);
+    ok(ret, "GetViewportExtEx error %u\n", GetLastError());
     ok(size.cx == 300,"Expecting ViewportExt cx of 300, got %i\n",size.cx);
     ok( GetPolyFillMode( hdcMetafile ) == ALTERNATE, "PolyFillMode not restored\n" );
     ok( GetBkColor( hdcMetafile ) == 0, "Background color not restored\n" );
@@ -588,14 +598,18 @@ static void test_SaveDC(void)
     ok(ret == 3, "ret = %d\n", ret);
 
     ret = GetViewportOrgEx(hdcMetafile, &pt);
+    ok(ret, "GetViewportOrgEx error %u\n", GetLastError());
     ok(pt.x == 20,"Expecting ViewportOrg x of 20, got %i\n",pt.x);
     ret = GetViewportExtEx(hdcMetafile, &size);
+    ok(ret, "GetViewportExtEx error %u\n", GetLastError());
     ok(size.cx == 300,"Expecting ViewportExt cx of 300, got %i\n",size.cx);
     ret = RestoreDC(hdcMetafile, 1);
     ok(ret, "ret = %d\n", ret);
     ret = GetViewportOrgEx(hdcMetafile, &pt);
+    ok(ret, "GetViewportOrgEx error %u\n", GetLastError());
     ok(pt.x == 0,"Expecting ViewportOrg x of 0, got %i\n",pt.x);
     ret = GetViewportExtEx(hdcMetafile, &size);
+    ok(ret, "GetViewportExtEx error %u\n", GetLastError());
     ok(size.cx == 120,"Expecting ViewportExt cx of 120, got %i\n",size.cx);
 
     SetWindowOrgEx(hdcMetafile, -4, -4, NULL);
@@ -607,15 +621,19 @@ static void test_SaveDC(void)
     SetPixelV(hdcMetafile, 50, 50, 0);
 
     ret = GetViewportOrgEx(hdcMetafile, &pt);
+    ok(ret, "GetViewportOrgEx error %u\n", GetLastError());
     ok(pt.x == 40,"Expecting ViewportOrg x of 40, got %i\n",pt.x);
     ret = GetViewportExtEx(hdcMetafile, &size);
+    ok(ret, "GetViewportExtEx error %u\n", GetLastError());
     ok(size.cx == 50,"Expecting ViewportExt cx of 50, got %i\n",size.cx);
     ret = SaveDC(hdcMetafile);
     ok(ret == 1, "ret = %d\n", ret);
 
     ret = GetViewportOrgEx(hdcMetafile, &pt);
+    ok(ret, "GetViewportOrgEx error %u\n", GetLastError());
     ok(pt.x == 40,"Expecting ViewportOrg x of 40, got %i\n",pt.x);
     ret = GetViewportExtEx(hdcMetafile, &size);
+    ok(ret, "GetViewportExtEx error %u\n", GetLastError());
     ok(size.cx == 50,"Expecting ViewportExt cx of 50, got %i\n",size.cx);
     ret = SaveDC(hdcMetafile);
     ok(ret == 2, "ret = %d\n", ret);
@@ -643,8 +661,10 @@ static void test_SaveDC(void)
     ret = RestoreDC(hdcMetafile, 1);
     ok(ret, "ret = %d\n", ret);
     ret = GetViewportOrgEx(hdcMetafile, &pt);
+    ok(ret, "GetViewportOrgEx error %u\n", GetLastError());
     ok(pt.x == 40,"Expecting ViewportOrg x of 40, got %i\n",pt.x);
     ret = GetViewportExtEx(hdcMetafile, &size);
+    ok(ret, "GetViewportExtEx error %u\n", GetLastError());
     ok(size.cx == 50,"Expecting ViewportExt cx of 50, got %i\n",size.cx);
 
     hFontCheck = SelectObject(hdcMetafile, hFontOld);
@@ -1996,6 +2016,7 @@ static int CALLBACK clip_emf_enum_proc(HDC hdc, HANDLETABLE *handle_table,
         ok(ret == sizeof(rgn2.data.rdh) + sizeof(RECT), "expected sizeof(rgn), got %u\n", ret);
 
         ret = GetRegionData(hrgn, sizeof(rgn2), &rgn2.data);
+        ok(ret == sizeof(rgn2), "expected sizeof(rgn2), got %u\n", ret);
 
         trace("size %u, type %u, count %u, rgn size %u, bound (%d,%d-%d,%d)\n",
               rgn2.data.rdh.dwSize, rgn2.data.rdh.iType,