Refactor the "home"-path finding logic into own functions

With this change the homedir is no longer selected in the filesystem,
but in platform dependend functions. This allows us to use WINABI calls
for selection, resulting using the apropriate diretory on localized
versions of Windows XP.

src/common/filesystem.c

@@ -1253,51 +1253,18 @@ FS_AddGameDirectory(const char *dir)
 void
 FS_AddHomeAsGameDirectory(char *dir)
 {
+	char *home;
 	char gdir[MAX_OSPATH];
-	int len;
+	size_t len;
 
-#ifdef _WIN32
-	char *cur;
-	char *old;
-	char *profile = getenv("USERPROFILE");
+	home = Sys_GetHomeDir();
 
-	if (!profile)
+	if (home == NULL)
 	{
 		return;
 	}
 
-	cur = old = profile;
-
-	/* Replace backslashes by slashes */
-	if (strstr(cur, "\\") != NULL)
-	{
-		while (cur != NULL)
-		{
-			if ((cur - old) > 1)
-			{
-				*cur = '/';
-
-			}
-
-			old = cur;
-			cur = strchr(old + 1, '\\');  
-		}
-	}
-
-	len = snprintf(gdir, sizeof(gdir), "%s%s%s/", profile, 
-				   "/Documents/YamagiQ2/", dir);
-#else
-	char *homedir = getenv("HOME");
-	
-	if (!homedir)
-	{
-		return;
-	}
-
-	len = snprintf(gdir, sizeof(gdir), "%s/.yq2/%s/", homedir, dir);
-#endif
-
-
+    len = snprintf(gdir, sizeof(gdir), "%s%s/", home, dir);
 	FS_CreatePath(gdir);
 
 	if ((len > 0) && (len < sizeof(gdir)) && (gdir[len-1] == '/'))

src/common/header/common.h

@@ -55,6 +55,12 @@
 #define CPUSTRING "Unknown"
 #endif
 
+#ifdef _WIN32
+#define CFGDIR "YamagiQ2"
+#else
+#define CFGDIR ".yq2"
+#endif
+
 /* ================================================================== */
 
 typedef struct sizebuf_s
@@ -741,6 +747,7 @@ void	Sys_ConsoleOutput (char *string);
 void	Sys_SendKeyEvents (void);
 void	Sys_Error (char *error, ...);
 void	Sys_Quit (void);
+char	*Sys_GetHomeDir(void);
 
 /* CLIENT / SERVER SYSTEMS */
 

src/unix/system.c

@@ -501,3 +501,22 @@ Sys_SendKeyEvents ( void )
 	/* grab frame time */
 	sys_frame_time = Sys_Milliseconds();
 }
+
+char *
+Sys_GetHomeDir(void)
+{
+	static char gdir[MAX_OSPATH];
+	char *home;
+   
+	home = getenv("HOME");
+
+	if (!home)
+	{
+		return NULL;
+	}
+
+	snprintf(gdir, sizeof(gdir), "%s/%s/", home, CFGDIR);
+
+	return gdir;
+}
+

src/windows/system.c

@@ -32,6 +32,7 @@
 #include <direct.h>
 #include <io.h>
 #include <conio.h>
+#include <shlobj.h>
 
 #include "../common/header/common.h"
 #include "header/conproc.h"
@@ -606,6 +607,39 @@ Sys_GetCurrentDirectory(void)
 	return dir;
 }
 
+char *
+Sys_GetHomeDir(void)
+{
+	char *old;
+	char *cur;
+	static char gdir[MAX_OSPATH];
+	TCHAR profile[MAX_OSPATH];
+
+    SHGetFolderPath(NULL, CSIDL_PERSONAL, NULL, 0, profile);
+
+	/* Replace backslashes by slashes */
+	cur = old = profile;
+
+	if (strstr(cur, "\\") != NULL)
+	{
+		while (cur != NULL)
+		{
+			if ((cur - old) > 1)
+			{
+				*cur = '/';
+
+			}
+
+			old = cur;
+			cur = strchr(old + 1, '\\');  
+		}
+	}
+
+	snprintf(gdir, sizeof(gdir), "%s/%s/", profile, CFGDIR);
+
+	return gdir;
+}
+
 /* ======================================================================= */
 
 /*