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57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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Unix SMB/CIFS implementation.
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Implement a stack of talloc contexts
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Copyright (C) Volker Lendecke 2007
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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* Implement a stack of talloc frames.
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*
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* When a new talloc stackframe is allocated with talloc_stackframe(), then
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* the TALLOC_CTX returned with talloc_tos() is reset to that new
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* frame. Whenever that stack frame is TALLOC_FREE()'ed, then the reverse
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* happens: The previous talloc_tos() is restored.
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*
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* This API is designed to be robust in the sense that if someone forgets to
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* TALLOC_FREE() a stackframe, then the next outer one correctly cleans up and
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* resets the talloc_tos().
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*
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*/
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#ifndef _TALLOC_STACK_H
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#define _TALLOC_STACK_H
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#include <talloc.h>
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/*
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* Create a new talloc stack frame.
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*
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* When free'd, it frees all stack frames that were created after this one and
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* not explicitly freed.
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*/
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TALLOC_CTX *talloc_stackframe(void);
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TALLOC_CTX *talloc_stackframe_pool(size_t poolsize);
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/*
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* Get us the current top of the talloc stack.
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*/
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TALLOC_CTX *talloc_tos(void);
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#endif
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