x11vnc: fix AIX build wrt h_errno.

x11vnc/ChangeLog

+2006-02-06  Karl Runge <runge@karlrunge.com>
+	* x11vnc: fix AIX build wrt h_errno.
+
 2006-02-06  Karl Runge <runge@karlrunge.com>
 	* x11vnc: -8to24 more speedups; tunables for very slow machines.
 

x11vnc/help.c

@@ -173,7 +173,7 @@ void print_help(int mode) {
 "\n"
 "                       Note that even if there are *no* depth 24 visuals or\n"
 "                       windows (i.e. pure 8bpp), this mode is potentially\n"
-"                       a improvement over -flashcmap because it avoids the\n"
+"                       an improvement over -flashcmap because it avoids the\n"
 "                       flashing and shows each window in the correct color.\n"
 "\n"
 "                       This method appear to work, but may still have bugs\n"
@@ -183,12 +183,12 @@ void print_help(int mode) {
 "\n"
 "                       There may be painting errors for clipping and switching\n"
 "                       between windows of depths 8 and 24.  Heuristics are\n"
-"                       applied to try to minimize the painting errors.\n"
-"                       One can also press 3 Alt_L's in a row to refresh the\n"
-"                       screen if the error does not repair itself.  Also the\n"
-"                       option -fixscreen 8=3.0 or -fixscreen V=3.0 may be\n"
-"                       use to periodically refresh the screen at the cost of\n"
-"                       bandwidth (every 3 sec for this example).\n"
+"                       applied to try to minimize the painting errors.  One can\n"
+"                       also press 3 Alt_L's in a row to refresh the screen\n"
+"                       if the error does not repair itself.  Also the option\n"
+"                       -fixscreen 8=3.0 or -fixscreen V=3.0 may be used to\n"
+"                       periodically refresh the screen at the cost of bandwidth\n"
+"                       (every 3 sec for this example).\n"
 "\n"
 "                       The [opts] string can contain the following settings.\n"
 "                       Multiple settings are separated by commas.\n"
@@ -221,6 +221,11 @@ void print_help(int mode) {
 "                       This may lead to the windows being unnoticed for this\n"
 "                       amount of time when deiconifying, painting errors, etc.\n"
 "\n"
+"                       While testing on a very old SS20 these options gave\n"
+"                       tolerable response: -8to24 poll=0.2,cachewin=5.0. For\n"
+"                       this machine -overlay is supported and gives better\n"
+"                       response.\n"
+"\n"
 "                       Debugging for this mode can be enabled by setting \n"
 "                       \"dbg=1\", \"dbg=2\", or \"dbg=3\".\n"
 "\n"

x11vnc/x11vnc.1

@@ -205,7 +205,7 @@ framebuffer.
 .IP
 Note that even if there are *no* depth 24 visuals or
 windows (i.e. pure 8bpp), this mode is potentially
-a improvement over \fB-flashcmap\fR because it avoids the
+an improvement over \fB-flashcmap\fR because it avoids the
 flashing and shows each window in the correct color.
 .IP
 This method appear to work, but may still have bugs
@@ -215,12 +215,12 @@ iconify all but one for the colors to be correct.
 .IP
 There may be painting errors for clipping and switching
 between windows of depths 8 and 24.  Heuristics are
-applied to try to minimize the painting errors.
-One can also press 3 Alt_L's in a row to refresh the
-screen if the error does not repair itself.  Also the
-option \fB-fixscreen\fR 8=3.0 or \fB-fixscreen\fR V=3.0 may be
-use to periodically refresh the screen at the cost of
-bandwidth (every 3 sec for this example).
+applied to try to minimize the painting errors.  One can
+also press 3 Alt_L's in a row to refresh the screen
+if the error does not repair itself.  Also the option
+\fB-fixscreen\fR 8=3.0 or \fB-fixscreen\fR V=3.0 may be used to
+periodically refresh the screen at the cost of bandwidth
+(every 3 sec for this example).
 .IP
 The [opts] string can contain the following settings.
 Multiple settings are separated by commas.
@@ -253,6 +253,11 @@ XGetWindowAttributes results.  E.g. cachewin=5.0.
 This may lead to the windows being unnoticed for this
 amount of time when deiconifying, painting errors, etc.
 .IP
+While testing on a very old SS20 these options gave
+tolerable response: \fB-8to24\fR poll=0.2,cachewin=5.0. For
+this machine \fB-overlay\fR is supported and gives better
+response.
+.IP
 Debugging for this mode can be enabled by setting
 "dbg=1", "dbg=2", or "dbg=3".
 .PP

x11vnc/x11vnc.h

@@ -192,7 +192,9 @@ extern int xtrap_base_event_type;
 #endif
 
 #include <netdb.h>
+#ifndef _AIX
 extern int h_errno;
+#endif
 
 #if LIBVNCSERVER_HAVE_NETINET_IN_H
 #include <netinet/in.h>