[insight-vmi] r1989 committed - Check if particular fields exist before accessing them.

[insig...@googlecode.com]

Revision: 1989
Author: chrsc...@googlemail.com
Date: Fri Jun 21 07:49:01 2013
Log: Check if particular fields exist before accessing them.

http://code.google.com/p/insight-vmi/source/detail?r=1989

Modified:
/trunk/insightd/scripts/modules.js

=======================================
--- /trunk/insightd/scripts/modules.js Thu Mar 14 02:22:21 2013
+++ /trunk/insightd/scripts/modules.js Fri Jun 21 07:49:01 2013
@@ -47,8 +47,9 @@
{
var head = new Instance("modules");

+ var w_addr = 18;
var w_mod = 20;
- println(lalign("Address", 18) + " " + lalign("Module [Args]", w_mod)
+ " Used by");
+ println(lalign("Address", w_addr) + " " + lalign("Module [Args]",
w_mod) + " Used by");

// Iterate over all modules
var m = head.next;
@@ -58,26 +59,31 @@
{
// Build list of modules which use the current module
var usedList = "";
- var u = m.modules_which_use_me.next;
- while (u.TypeId() == m.TypeId() &&
- u.MemberAddress("list", true) !=
m.modules_which_use_me.Address())
- {
- if (usedList.length > 0)
- usedList = usedList + ", ";
- usedList = usedList + u.module_which_uses.name.toString();
- u = u.list.next;
+ if (m.MemberExists("modules_which_use_me")) {
+ var u = m.modules_which_use_me.next;
+ while (u.TypeId() == m.TypeId() &&
+ u.MemberAddress("list", true) !=
m.modules_which_use_me.Address())
+ {
+ if (usedList.length > 0)
+ usedList = usedList + ", ";
+ usedList = usedList + u.module_which_uses.name.toString();
+ u = u.list.next;
+ }
+ }
+ else {
+ usedList = "n/a";
}

- var name = "0x" + lalign(m.Address().toString(16), 16);
- name += " ";
- name += m.name.toString();
+ print("0x" + lalign(m.Address().toString(16), 16) + " ");
+
+ var name = m.name.toString();
if (m.args.toString().length > 0)
- name += " [" + m.args.toString() + "]";
+ name += " [" + m.args.toString() + "]";

if (usedList.length > 0)
- println(lalign(name, w_mod) + " " + usedList);
+ println(lalign(name, w_mod) + " " + usedList);
else
- println(name);
+ println(name);

m = m.list.next;
}