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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /toolkit/components/url-classifier/nsCheckSummedOutputStream.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'toolkit/components/url-classifier/nsCheckSummedOutputStream.cpp')
-rw-r--r--toolkit/components/url-classifier/nsCheckSummedOutputStream.cpp59
1 files changed, 59 insertions, 0 deletions
diff --git a/toolkit/components/url-classifier/nsCheckSummedOutputStream.cpp b/toolkit/components/url-classifier/nsCheckSummedOutputStream.cpp
new file mode 100644
index 000000000..68f9f1f6f
--- /dev/null
+++ b/toolkit/components/url-classifier/nsCheckSummedOutputStream.cpp
@@ -0,0 +1,59 @@
+//* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsILocalFile.h"
+#include "nsCRT.h"
+#include "nsIFile.h"
+#include "nsISupportsImpl.h"
+#include "nsCheckSummedOutputStream.h"
+
+////////////////////////////////////////////////////////////////////////////////
+// nsCheckSummedOutputStream
+
+NS_IMPL_ISUPPORTS_INHERITED(nsCheckSummedOutputStream,
+ nsSafeFileOutputStream,
+ nsISafeOutputStream,
+ nsIOutputStream,
+ nsIFileOutputStream)
+
+NS_IMETHODIMP
+nsCheckSummedOutputStream::Init(nsIFile* file, int32_t ioFlags, int32_t perm,
+ int32_t behaviorFlags)
+{
+ nsresult rv;
+ mHash = do_CreateInstance(NS_CRYPTO_HASH_CONTRACTID, &rv);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ rv = mHash->Init(nsICryptoHash::MD5);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ return nsSafeFileOutputStream::Init(file, ioFlags, perm, behaviorFlags);
+}
+
+NS_IMETHODIMP
+nsCheckSummedOutputStream::Finish()
+{
+ nsresult rv = mHash->Finish(false, mCheckSum);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ uint32_t written;
+ rv = nsSafeFileOutputStream::Write(reinterpret_cast<const char*>(mCheckSum.BeginReading()),
+ mCheckSum.Length(), &written);
+ NS_ASSERTION(written == mCheckSum.Length(), "Error writing stream checksum");
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ return nsSafeFileOutputStream::Finish();
+}
+
+NS_IMETHODIMP
+nsCheckSummedOutputStream::Write(const char *buf, uint32_t count, uint32_t *result)
+{
+ nsresult rv = mHash->Update(reinterpret_cast<const uint8_t*>(buf), count);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ return nsSafeFileOutputStream::Write(buf, count, result);
+}
+
+////////////////////////////////////////////////////////////////////////////////