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Date:      Fri, 11 Oct 2013 20:07:04 +0000 (UTC)
From:      Devin Teske <dteske@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r256330 - head/usr.sbin/bsdconfig/share
Message-ID:  <201310112007.r9BK74Pw082842@svn.freebsd.org>

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Author: dteske
Date: Fri Oct 11 20:07:04 2013
New Revision: 256330
URL: http://svnweb.freebsd.org/changeset/base/256330

Log:
  Fix a bug that would occur in application death when debugging was enabled
  if you ended up in f_dialog_*_constrain() (indirectly, of course) with a
  purposefully-set NULL height, width, or rows parameter (because you didn't
  care to have that attribute calculated). Fix typo in a comment while here.
  
  Approved by:	re (glebius)

Modified:
  head/usr.sbin/bsdconfig/share/dialog.subr

Modified: head/usr.sbin/bsdconfig/share/dialog.subr
==============================================================================
--- head/usr.sbin/bsdconfig/share/dialog.subr	Fri Oct 11 19:43:37 2013	(r256329)
+++ head/usr.sbin/bsdconfig/share/dialog.subr	Fri Oct 11 20:07:04 2013	(r256330)
@@ -415,8 +415,8 @@ f_dialog_size_constrain()
 
 	if [ "$debug" ]; then
 		# Print final constrained values to debugging
-		f_quietly f_getvar "$__var_height"
-		f_quietly f_getvar "$__var_width"
+		[ "$__var_height" ] && f_quietly f_getvar "$__var_height"
+		[ "$__var_width"  ] && f_quietly f_getvar "$__var_width"
 	fi
 
 	return $__retval # success if no debug warnings were printed
@@ -532,10 +532,10 @@ f_dialog_menu_constrain()
 	fi
 
 	if [ "$debug" ]; then
-		# Print final constrained values to debuggin
-		f_quietly f_getvar "$__var_height"
-		f_quietly f_getvar "$__var_width"
-		f_quietly f_getvar "$__var_rows"
+		# Print final constrained values to debugging
+		[ "$__var_height" ] && f_quietly f_getvar "$__var_height"
+		[ "$__var_width"  ] && f_quietly f_getvar "$__var_width"
+		[ "$__var_rows"   ] && f_quietly f_getvar "$__var_rows"
 	fi
 
 	return $__retval # success if no debug warnings were printed



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