VS2010 buildfixes.

The main issue was mostly that we have to build C files as C++ in some
cases, and extern "C" wasn't being used everywhere, so linker errors
popped up. The rest is the usual tedious VS2010 stuff like casting void*
to other stuff, so this commit as a whole is pretty boring!

desktop_version/src/CWrappers.cpp

@@ -1,11 +1,10 @@
+#include "CWrappers.h"
+
 #include <SDL.h>
 
 #include "Localization.h"
 #include "UtilityClass.h"
 
-extern "C"
-{
-
 char* HELP_number_words(int _t)
 {
     /* C wrapper for UtilityClass::number_words.
@@ -24,5 +23,3 @@ uint32_t LOC_toupper_ch(uint32_t ch)
 {
     return loc::toupper_ch(ch);
 }
-
-} /* extern "C" */

desktop_version/src/CWrappers.h

@@ -1,7 +1,17 @@
 #ifndef CWRAPPERS_H
 #define CWRAPPERS_H
 
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
 char* HELP_number_words(int _t);
 uint32_t LOC_toupper_ch(uint32_t ch);
 
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
 #endif /* CWRAPPERS_H */

desktop_version/src/Textbook.c

@@ -108,5 +108,5 @@ const char* textbook_store(Textbook* textbook, const char* text)
         return "";
     }
 
-    return textbook_store_raw(textbook, text, SDL_strlen(text)+1);
+    return (const char*) textbook_store_raw(textbook, text, SDL_strlen(text)+1);
 }

desktop_version/src/VFormat.c

@@ -39,7 +39,7 @@ int vformat_button(ActionSet actionset, int action)
 static void vformat_unbutton(ActionSet* actionset, Action* action, const int vararg_value)
 {
     // Unpack the ActionSet and Action from a packed vararg value.
-    *actionset = vararg_value >> 16;
+    *actionset = (ActionSet) (vararg_value >> 16);
     action->intval = vararg_value & 0xFFFF;
 }
 
@@ -207,7 +207,11 @@ void vformat_cb_valist(
              * The arguments index string is comma-separated,
              * each argument is name:type. */
             va_list args_copy;
+#ifndef va_copy /* Older VS releases don't have this yet, just copy the old way */
+            args_copy = args;
+#else
             va_copy(args_copy, args);
+#endif
 
             const char* args_index_cursor = args_index;
 
@@ -385,11 +389,10 @@ size_t vformat_buf_valist(
 {
     /* Variant of vformat_buf which takes a va_list instead of `...` */
 
-    buffer_info buf = {
-        .total_needed = 1,
-        .buffer_cursor = buffer,
-        .buffer_left = buffer_len
-    };
+    buffer_info buf;
+    buf.total_needed = 1;
+    buf.buffer_cursor = buffer;
+    buf.buffer_left = buffer_len;
 
     if (buf.buffer_left != 0)
     {
@@ -438,7 +441,7 @@ char* vformat_alloc_valist(
     /* Variant of vformat_alloc which takes a va_list instead of `...` */
 
     size_t needed = vformat_buf_valist(NULL, 0, format_string, args_index, args);
-    char* buffer = SDL_malloc(needed);
+    char* buffer = (char*) SDL_malloc(needed);
     if (buffer == NULL)
     {
         return NULL;

desktop_version/src/Vlogging.c

@@ -1,4 +1,5 @@
-#include <SDL_stdinc.h>
+#include "Vlogging.h"
+
 #include <stdarg.h>
 #include <stdio.h>
 
@@ -258,6 +259,10 @@ static void check_color_support(void)
         return;
     }
 
+    /* Older VS releases don't have this defined yet */
+    #ifndef ENABLE_VIRTUAL_TERMINAL_PROCESSING
+    #define ENABLE_VIRTUAL_TERMINAL_PROCESSING 0x0004
+    #endif
     const BOOL success = SetConsoleMode(
         hStdout, ENABLE_PROCESSED_OUTPUT | ENABLE_VIRTUAL_TERMINAL_PROCESSING
     );

desktop_version/src/Xoshiro.c

@@ -1,4 +1,4 @@
-#include <stdint.h>
+#include "Xoshiro.h"
 
 #include "Vlogging.h"