xpcom/base/nsErrorService.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "nsErrorService.h"
michael@0 7 #include "nsCRTGlue.h"
michael@0 8 #include "nsAutoPtr.h"
michael@0 9
michael@0 10 static void*
michael@0 11 CloneCString(nsHashKey *aKey, void *aData, void* closure)
michael@0 12 {
michael@0 13 return NS_strdup((const char*)aData);
michael@0 14 }
michael@0 15
michael@0 16 static bool
michael@0 17 DeleteCString(nsHashKey *aKey, void *aData, void* closure)
michael@0 18 {
michael@0 19 NS_Free(aData);
michael@0 20 return true;
michael@0 21 }
michael@0 22
michael@0 23 nsInt2StrHashtable::nsInt2StrHashtable()
michael@0 24 : mHashtable(CloneCString, nullptr, DeleteCString, nullptr, 16)
michael@0 25 {
michael@0 26 }
michael@0 27
michael@0 28 nsresult
michael@0 29 nsInt2StrHashtable::Put(uint32_t key, const char* aData)
michael@0 30 {
michael@0 31 char* value = NS_strdup(aData);
michael@0 32 if (value == nullptr)
michael@0 33 return NS_ERROR_OUT_OF_MEMORY;
michael@0 34 nsPRUint32Key k(key);
michael@0 35 char* oldValue = (char*)mHashtable.Put(&k, value);
michael@0 36 if (oldValue)
michael@0 37 NS_Free(oldValue);
michael@0 38 return NS_OK;
michael@0 39 }
michael@0 40
michael@0 41 char*
michael@0 42 nsInt2StrHashtable::Get(uint32_t key)
michael@0 43 {
michael@0 44 nsPRUint32Key k(key);
michael@0 45 const char* value = (const char*)mHashtable.Get(&k);
michael@0 46 if (value == nullptr)
michael@0 47 return nullptr;
michael@0 48 return NS_strdup(value);
michael@0 49 }
michael@0 50
michael@0 51 nsresult
michael@0 52 nsInt2StrHashtable::Remove(uint32_t key)
michael@0 53 {
michael@0 54 nsPRUint32Key k(key);
michael@0 55 char* oldValue = (char*)mHashtable.Remove(&k);
michael@0 56 if (oldValue)
michael@0 57 NS_Free(oldValue);
michael@0 58 return NS_OK;
michael@0 59 }
michael@0 60
michael@0 61 ////////////////////////////////////////////////////////////////////////////////
michael@0 62
michael@0 63 NS_IMPL_ISUPPORTS(nsErrorService, nsIErrorService)
michael@0 64
michael@0 65 nsresult
michael@0 66 nsErrorService::Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr)
michael@0 67 {
michael@0 68 if (NS_WARN_IF(outer))
michael@0 69 return NS_ERROR_NO_AGGREGATION;
michael@0 70 nsRefPtr<nsErrorService> serv = new nsErrorService();
michael@0 71 return serv->QueryInterface(aIID, aInstancePtr);
michael@0 72 }
michael@0 73
michael@0 74 NS_IMETHODIMP
michael@0 75 nsErrorService::RegisterErrorStringBundle(int16_t errorModule, const char *stringBundleURL)
michael@0 76 {
michael@0 77 return mErrorStringBundleURLMap.Put(errorModule, stringBundleURL);
michael@0 78 }
michael@0 79
michael@0 80 NS_IMETHODIMP
michael@0 81 nsErrorService::UnregisterErrorStringBundle(int16_t errorModule)
michael@0 82 {
michael@0 83 return mErrorStringBundleURLMap.Remove(errorModule);
michael@0 84 }
michael@0 85
michael@0 86 NS_IMETHODIMP
michael@0 87 nsErrorService::GetErrorStringBundle(int16_t errorModule, char **result)
michael@0 88 {
michael@0 89 char* value = mErrorStringBundleURLMap.Get(errorModule);
michael@0 90 if (value == nullptr)
michael@0 91 return NS_ERROR_OUT_OF_MEMORY;
michael@0 92 *result = value;
michael@0 93 return NS_OK;
michael@0 94 }
michael@0 95
michael@0 96 ////////////////////////////////////////////////////////////////////////////////

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