filesystem: make fs_searchpaths completely private to the filesystem core

filesystem/VFileSystem009.cpp

@@ -406,8 +406,6 @@ public:
 
 	bool FullPathToRelativePath( const char *path, char *out ) override
 	{
-		searchpath_t *sp;
-
 		if( !COM_CheckString( path ))
 		{
 			*out = 0;
@@ -416,19 +414,7 @@ public:
 
 		FixupPath( p, path );
 
-		for( sp = fs_searchpaths; sp; sp = sp->next )
-		{
-			size_t splen = Q_strlen( sp->filename );
-
-			if( !Q_strnicmp( sp->filename, p, splen ))
-			{
-				Q_strncpy( out, p + splen + 1, 512 );
-				return true;
-			}
-		}
-
-		Q_strncpy( out, p, 512 );
-		return false;
+		return FS_FullPathToRelativePath( out, p, 512 );
 	}
 
 	bool GetCurrentDirectory( char *p, int size ) override

filesystem/filesystem.c

@@ -48,11 +48,11 @@ GNU General Public License for more details.
 fs_globals_t FI;
 qboolean      fs_ext_path = false;	// attempt to read\write from ./ or ../ pathes
 poolhandle_t  fs_mempool;
-searchpath_t *fs_searchpaths = NULL;	// chain
 char          fs_rodir[MAX_SYSPATH];
 char          fs_rootdir[MAX_SYSPATH];
 searchpath_t *fs_writepath;
 
+static searchpath_t *fs_searchpaths = NULL;	// chain
 static char			fs_basedir[MAX_SYSPATH];	// base game directory
 static char			fs_gamedir[MAX_SYSPATH];	// game current directory
 
@@ -1843,6 +1843,33 @@ searchpath_t *FS_FindFile( const char *name, int *index, char *fixedname, size_t
 	return NULL;
 }
 
+/*
+===========================
+FS_FullPathToRelativePath
+
+Converts full path to the relative path considering current searchpaths
+(do not use this function, implemented only for VFileSystem009)
+===========================
+*/
+qboolean FS_FullPathToRelativePath( char *dst, const char *src, size_t size )
+{
+	searchpath_t *sp;
+
+	for( sp = fs_searchpaths; sp; sp = sp->next )
+	{
+		size_t splen = Q_strlen( sp->filename );
+
+		if( !Q_strnicmp( sp->filename, src, splen ))
+		{
+			Q_strncpy( dst, src + splen + 1, size );
+			return true;
+		}
+	}
+
+	Q_strncpy( dst, src, size );
+	return false;
+}
+
 
 /*
 ===========

filesystem/filesystem_internal.h

@@ -104,7 +104,6 @@ typedef struct fs_archive_s
 } fs_archive_t;
 
 extern fs_globals_t  FI;
-extern searchpath_t *fs_searchpaths;
 extern searchpath_t *fs_writepath;
 extern poolhandle_t  fs_mempool;
 extern fs_interface_t g_engfuncs;
@@ -201,6 +200,7 @@ int           FS_SysFileTime( const char *filename );
 file_t       *FS_OpenHandle( const char *syspath, int handle, fs_offset_t offset, fs_offset_t len );
 file_t       *FS_SysOpen( const char *filepath, const char *mode );
 searchpath_t *FS_FindFile( const char *name, int *index, char *fixedname, size_t len, qboolean gamedironly );
+qboolean FS_FullPathToRelativePath( char *dst, const char *src, size_t size );
 
 //
 // pak.c