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Fixing bug 488423, don't pass a size of 0 to PR_CALLOC(). r+sr=jst@mozilla.org

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This commit is contained in:
Shailen 2010-03-05 14:19:30 -08:00
parent 674a263a4f
commit 4334111554
1 changed files with 7 additions and 5 deletions
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12
dom/base/nsJSEnvironment.cpp
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@ -4164,15 +4164,17 @@ protected:
nsJSArgArray::nsJSArgArray(JSContext *aContext, PRUint32 argc, jsval *argv,
nsresult *prv) :
mContext(aContext),
mArgv(argv),
mArgv(nsnull),
mArgc(argc)
{
// copy the array - we don't know its lifetime, and ours is tied to xpcom
// refcounting. Alloc zero'd array so cleanup etc is safe.
mArgv = (jsval *) PR_CALLOC(argc * sizeof(jsval));
if (!mArgv) {
*prv = NS_ERROR_OUT_OF_MEMORY;
return;
if (argc) {
mArgv = (jsval *) PR_CALLOC(argc * sizeof(jsval));
if (!mArgv) {
*prv = NS_ERROR_OUT_OF_MEMORY;
return;
}
}
// Callers are allowed to pass in a null argv even for argc > 0. They can