forked from mirrors/gecko-dev
4887043b29
Through their use of Smprintf, the existing warning message formatting is resistant to OOM errors. So I figured that we should probably use something that doesn't infallibly allocate like GetErrorName does. Differential Revision: https://phabricator.services.mozilla.com/D70771 --HG-- extra : moz-landing-system : lando
29 lines
1 KiB
C++
29 lines
1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_ErrorNames_h
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#define mozilla_ErrorNames_h
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#include "nsError.h"
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#include "nsStringFwd.h"
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namespace mozilla {
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// Maps the given nsresult to its symbolic name. For example,
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// GetErrorName(NS_OK, name) will result in name == "NS_OK".
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// When the symbolic name is unknown, name will be of the form
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// "NS_ERROR_GENERATE_SUCCESS(<module>, <code>)" or
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// "NS_ERROR_GENERATE_FAILURE(<module>, <code>)".
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void GetErrorName(nsresult rv, nsACString& name);
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// Same as GetErrorName, except that only nsresult values with statically
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// known symbolic names are handled. For all other values, nullptr is
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// returned.
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const char* GetStaticErrorName(nsresult rv);
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} // namespace mozilla
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#endif // mozilla_ErrorNames_h
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