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Diffstat (limited to 'xpcom/io/nsAnonymousTemporaryFile.h')
-rw-r--r-- | xpcom/io/nsAnonymousTemporaryFile.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/xpcom/io/nsAnonymousTemporaryFile.h b/xpcom/io/nsAnonymousTemporaryFile.h new file mode 100644 index 0000000000..8e900dda4c --- /dev/null +++ b/xpcom/io/nsAnonymousTemporaryFile.h @@ -0,0 +1,39 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +#pragma once + +#include "prio.h" +#include "nscore.h" +#include "nsIFile.h" + +/** + * OpenAnonymousTemporaryFile + * + * Creates and opens a temporary file which has a random name. Callers have no + * control over the file name, and the file is opened in a temporary location + * which is appropriate for the platform. + * + * Upon success, aOutFileDesc contains an opened handle to the temporary file. + * The caller is responsible for closing the file when they're finished with it. + * + * The file will be deleted when the file handle is closed. On non-Windows + * platforms the file will be unlinked before this function returns. On Windows + * the OS supplied delete-on-close mechanism is unreliable if the application + * crashes or the computer power cycles unexpectedly, so unopened temporary + * files are purged at some time after application startup. + * + */ +nsresult NS_OpenAnonymousTemporaryFile(PRFileDesc** aOutFileDesc); + +/** + * OpenAnonymousTemporaryNsIFile + * + * Similar to the previous function, it returns a nsIFile. Note that the nsIFile + * will not be deleted automagically. The callee has to call aFile->Remove() in + * order to remove the temporary file. + */ +nsresult NS_OpenAnonymousTemporaryNsIFile(nsIFile** aFile); |