engine: host: set rootdir on Android SDL port

engine/common/host.c

@@ -1017,10 +1017,11 @@ void Host_InitCommon( int argc, char **argv, const char *progname, qboolean bCha
 	else
 	{
 #if TARGET_OS_IOS
-		const char *IOS_GetDocsDir();
-		Q_strncpy( host.rootdir, IOS_GetDocsDir(), sizeof(host.rootdir) );
+		Q_strncpy( host.rootdir, IOS_GetDocsDir(), sizeof( host.rootdir ));
+#elif XASH_ANDROID && XASH_SDL
+		Q_strncpy( host.rootdir, SDL_AndroidGetExternalStoragePath, sizeof( host.rootdir ));
 #elif XASH_PSVITA
-		if ( !PSVita_GetBasePath( host.rootdir, sizeof( host.rootdir ) ) )
+		if ( !PSVita_GetBasePath( host.rootdir, sizeof( host.rootdir )))
 		{
 			Sys_Error( "couldn't find xash3d data directory" );
 			host.rootdir[0] = 0;

engine/platform/platform.h

@@ -37,6 +37,11 @@ void Platform_MessageBox( const char *title, const char *message, qboolean paren
 qboolean Sys_DebuggerPresent( void ); // optional, see Sys_DebugBreak
 void Platform_SetStatus( const char *status );
 
+// legacy iOS port functions
+#if TARGET_OS_IOS
+const char *IOS_GetDocsDir( void );
+#endif // TARGET_OS_IOS
+
 #if XASH_WIN32 || XASH_LINUX
 #define XASH_PLATFORM_HAVE_STATUS 1
 #else