Initializing the retval to avoid a double free (crash)

git-svn-id: svn://10.0.0.236/branches/ANGELON_MOZ12_BRANCH@134051 18797224-902f-48f8-a5cc-f745e15eee43
2002-11-18 22:44:22 +00:00
parent 8514518b91
commit 3251692900
1 changed files with 3 additions and 0 deletions
--- a/mozilla/embedding/components/commandhandler/src/nsCommandParams.cpp
+++ b/mozilla/embedding/components/commandhandler/src/nsCommandParams.cpp
@@ -165,6 +165,9 @@ NS_IMETHODIMP nsCommandParams::GetStringValue(const char *name, nsAString & _ret
 /* AString getStringValue (in AString name); */
 NS_IMETHODIMP nsCommandParams::GetCStringValue(const char * name, char **_retval)
 {
+  NS_ENSURE_ARG_POINTER(_retval);
+  *_retval = nsnull;
+
  HashEntry*  foundEntry = GetNamedEntry(name);
  if (foundEntry && foundEntry->mEntryType == eStringType)
  {