X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=common;h=d41809585ab22e282fdc57ed757ea9e716b66aae;hb=1e5e330b7a100636ef7d3874a322e7c23d7fe575;hp=eaa5751b43a9133fba3e497b5d45babe1e46b0e9;hpb=ed4541e12d830109204e66ac8c76750d3693eeff;p=gsu.git

diff --git a/common b/common
index eaa5751..d418095 100644
--- a/common
+++ b/common
@@ -1,5 +1,6 @@
 #!/bin/bash
-# (C) 2006-2011 Andre Noll
+# Copyright (C) 2006 Andre Noll
+# Licensed under the LGPL, version 3. See COPYING and COPYING.LESSER.
 
 _gsu_init_errors()
 {
@@ -15,7 +16,10 @@ E_GSU_BAD_ARG_COUNT		invalid number of arguments
 E_GSU_EDITOR			failed to execute editor
 E_GSU_MKDIR			failed to create directory
 E_GSU_GETOPTS			getopts error
-$gsu_errors
+E_GSU_DIALOG			dialog error
+E_GSU_MKTEMP			mktemp error
+E_GSU_MENU_TREE			invalid menu tree
+${gsu_errors:-}
 "
 	local a b i=0
 	while read a b; do
@@ -35,7 +39,7 @@ EOF
 gsu_is_a_number()
 {
 	result="$1"
-	if (("$1" == "$1")) &> /dev/null; then
+	if [ "$1" -eq "$1" ] &> /dev/null; then
 		ret=$GSU_SUCCESS
 	else
 		ret=-$E_GSU_NOT_A_NUMBER