--- sourceforge.net/trunk/rdesktop/rdpsnd_sgi.c	2006/12/24 15:24:17	1355
+++ sourceforge.net/trunk/rdesktop/rdpsnd_sgi.c	2008/07/11 03:51:23	1475
@@ -1,7 +1,7 @@
 /* -*- c-basic-offset: 8 -*-
    rdesktop: A Remote Desktop Protocol client.
    Sound Channel Process Functions - SGI/IRIX
-   Copyright (C) Matthew Chapman 2003
+   Copyright (C) Matthew Chapman 2003-2008
    Copyright (C) GuoJunBo guojunbo@ict.ac.cn 2003
    Copyright (C) Jeremy Meng void.foo@gmail.com 2004, 2005
 
@@ -45,7 +45,8 @@
 sgi_add_fds(int *n, fd_set * rfds, fd_set * wfds, struct timeval *tv)
 {
 	/* We need to be called rather often... */
-	FD_SET(0, wfds);
+	if (output_port != (ALport) 0 && !rdpsnd_queue_empty())
+		FD_SET(0, wfds);
 }
 
 void
@@ -58,7 +59,7 @@
 		sgi_play();
 }
 
-BOOL
+RD_BOOL
 sgi_open(void)
 {
 	ALparamInfo pinfo;
@@ -127,8 +128,8 @@
 #endif
 }
 
-BOOL
-sgi_format_supported(WAVEFORMATEX * pwfx)
+RD_BOOL
+sgi_format_supported(RD_WAVEFORMATEX * pwfx)
 {
 	if (pwfx->wFormatTag != WAVE_FORMAT_PCM)
 		return False;
@@ -140,8 +141,8 @@
 	return True;
 }
 
-BOOL
-sgi_set_format(WAVEFORMATEX * pwfx)
+RD_BOOL
+sgi_set_format(RD_WAVEFORMATEX * pwfx)
 {
 	int channels;
 	int frameSize, channelCount;
@@ -294,8 +295,10 @@
 {
 	static struct audio_driver sgi_driver;
 
-	sgi_driver.name = xstrdup("sgi");
-	sgi_driver.description = xstrdup("SGI output driver");
+	memset(&sgi_driver, 0, sizeof(sgi_driver));
+
+	sgi_driver.name = "sgi";
+	sgi_driver.description = "SGI output driver";
 
 	sgi_driver.add_fds = sgi_add_fds;
 	sgi_driver.check_fds = sgi_check_fds;