Add global socket_errno_str property for cross-platform description of last

socket-related error.

src/sbbs3/js_global.c

@@ -60,6 +60,7 @@ enum {
 	 GLOB_PROP_ERRNO
 	,GLOB_PROP_ERRNO_STR
 	,GLOB_PROP_SOCKET_ERRNO
+	,GLOB_PROP_SOCKET_ERRNO_STR
 };
 
 BOOL DLLCALL js_argc(JSContext *cx, uintN argc, uintN min)
@@ -84,6 +85,11 @@ static JSBool js_system_get(JSContext *cx, JSObject *obj, jsid id, jsval *vp)
 		case GLOB_PROP_SOCKET_ERRNO:
 			*vp=DOUBLE_TO_JSVAL(ERROR_VALUE);
 			break;
+		case GLOB_PROP_SOCKET_ERRNO_STR:
+			if((js_str=JS_NewStringCopyZ(cx, socket_strerror(socket_errno)))==NULL)
+				return(JS_FALSE);
+	        *vp = STRING_TO_JSVAL(js_str);
+			break;
 		case GLOB_PROP_ERRNO:
 			*vp=INT_TO_JSVAL(errno);
 			break;
@@ -99,11 +105,12 @@ static JSBool js_system_get(JSContext *cx, JSObject *obj, jsid id, jsval *vp)
 #define GLOBOBJ_FLAGS JSPROP_ENUMERATE|JSPROP_READONLY|JSPROP_SHARED
 
 static jsSyncPropertySpec js_global_properties[] = {
-/*		 name,			tinyid,					flags,			ver */
+/*		 name,				tinyid,					flags,			ver */
 
-	{	"errno"			,GLOB_PROP_ERRNO		,GLOBOBJ_FLAGS, 310 },
-	{	"errno_str"		,GLOB_PROP_ERRNO_STR	,GLOBOBJ_FLAGS, 310 },
-	{	"socket_errno"	,GLOB_PROP_SOCKET_ERRNO	,GLOBOBJ_FLAGS, 310 },
+	{	"errno"				,GLOB_PROP_ERRNO		,GLOBOBJ_FLAGS, 310 },
+	{	"errno_str"			,GLOB_PROP_ERRNO_STR	,GLOBOBJ_FLAGS, 310 },
+	{	"socket_errno"		,GLOB_PROP_SOCKET_ERRNO	,GLOBOBJ_FLAGS, 310 },
+	{	"socket_errno_str"	,GLOB_PROP_SOCKET_ERRNO	,GLOBOBJ_FLAGS, 31800 },
 	{0}
 };