Tests/VSResource: Port from C++ to C

This will make the test usable without a C++ compiler.
The test's code was basically C compiled as C++ anyway.

Tests/VSResource/CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.10)
-project(VSResource)
+project(VSResource LANGUAGES C)
 
 string(REPLACE "/INCREMENTAL:YES" ""
   CMAKE_EXE_LINKER_FLAGS_DEBUG
@@ -45,9 +45,9 @@ else()
   include_directories(${CMAKE_CURRENT_BINARY_DIR})
 endif()
 
-add_library(ResourceLib STATIC lib.cpp lib.rc)
+add_library(ResourceLib STATIC lib.c lib.rc)
 
-add_executable(VSResource main.cpp test.rc)
+add_executable(VSResource main.c test.rc)
 target_link_libraries(VSResource ResourceLib)
 
 if(MSVC AND NOT MSVC_VERSION VERSION_LESS 1600)

Tests/VSResource/lib.c

@@ -1,4 +1,4 @@
-int lib()
+int lib(void)
 {
   return 0;
 }

Tests/VSResource/main.c

@@ -2,7 +2,7 @@
 
 #include <stdio.h>
 
-extern int lib();
+extern int lib(void);
 
 struct x
 {
@@ -12,6 +12,7 @@ struct x
 int main(int argc, char** argv)
 {
   int ret = 1;
+  HRSRC hello = FindResource(NULL, MAKEINTRESOURCE(1025), "TEXTFILE");
 
   fprintf(stdout, "CTEST_FULL_OUTPUT (Avoid ctest truncation of output)\n");
 
@@ -20,30 +21,31 @@ int main(int argc, char** argv)
 #endif
 
 #ifdef CMAKE_RCDEFINE_NO_QUOTED_STRINGS
-  // Expect CMAKE_RCDEFINE to preprocess to exactly test.txt
-  x test;
-  test.txt = "*exactly* test.txt";
-  fprintf(stdout, "CMAKE_RCDEFINE_NO_QUOTED_STRINGS defined\n");
-  fprintf(stdout, "CMAKE_RCDEFINE is %s, and is *not* a string constant\n",
-          CMAKE_RCDEFINE);
+  {
+    // Expect CMAKE_RCDEFINE to preprocess to exactly test.txt
+    struct x test;
+    test.txt = "*exactly* test.txt";
+    fprintf(stdout, "CMAKE_RCDEFINE_NO_QUOTED_STRINGS defined\n");
+    fprintf(stdout, "CMAKE_RCDEFINE is %s, and is *not* a string constant\n",
+            CMAKE_RCDEFINE);
+  }
 #else
   // Expect CMAKE_RCDEFINE to be a string:
   fprintf(stdout, "CMAKE_RCDEFINE='%s', and is a string constant\n",
           CMAKE_RCDEFINE);
 #endif
 
-  HRSRC hello = ::FindResource(NULL, MAKEINTRESOURCE(1025), "TEXTFILE");
   if (hello) {
+    HGLOBAL hgbl = LoadResource(NULL, hello);
+    int datasize = (int)SizeofResource(NULL, hello);
     fprintf(stdout, "FindResource worked\n");
-    HGLOBAL hgbl = ::LoadResource(NULL, hello);
-    int datasize = (int)::SizeofResource(NULL, hello);
     if (hgbl && datasize > 0) {
+      void* data = LockResource(hgbl);
       fprintf(stdout, "LoadResource worked\n");
       fprintf(stdout, "SizeofResource returned datasize='%d'\n", datasize);
-      void* data = ::LockResource(hgbl);
       if (data) {
-        fprintf(stdout, "LockResource worked\n");
         char* str = (char*)malloc(datasize + 4);
+        fprintf(stdout, "LockResource worked\n");
         if (str) {
           memcpy(str, data, datasize);
           str[datasize] = 'E';
@@ -58,13 +60,15 @@ int main(int argc, char** argv)
 #ifdef CMAKE_RCDEFINE_NO_QUOTED_STRINGS
           fprintf(stdout, "LoadString skipped\n");
 #else
-          char buf[256];
-          if (::LoadString(NULL, 1026, buf, sizeof(buf)) > 0) {
-            fprintf(stdout, "LoadString worked\n");
-            fprintf(stdout, "buf='%s'\n", buf);
-          } else {
-            fprintf(stdout, "LoadString failed\n");
-            ret = 1;
+          {
+            char buf[256];
+            if (LoadString(NULL, 1026, buf, sizeof(buf)) > 0) {
+              fprintf(stdout, "LoadString worked\n");
+              fprintf(stdout, "buf='%s'\n", buf);
+            } else {
+              fprintf(stdout, "LoadString failed\n");
+              ret = 1;
+            }
           }
 #endif
         }

Tests/VSResourceNinjaForceRSP/CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.10)
-project(VSResourceNinjaForceRSP)
+project(VSResourceNinjaForceRSP LANGUAGES C)
 
 set(CMAKE_NINJA_FORCE_RESPONSE_FILE TRUE)
 
-add_library(ResourceLib lib.cpp test.rc)
-add_executable(VSResourceNinjaForceRSP main.cpp test.rc)
+add_library(ResourceLib lib.c test.rc)
+add_executable(VSResourceNinjaForceRSP main.c test.rc)

Tests/VSResourceNinjaForceRSP/lib.c

@@ -1,4 +1,4 @@
-int lib()
+int lib(void)
 {
   return 0;
 }