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56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
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* Copyright (C) 2014 René Kijewski <rene.kijewski@fu-berlin.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @ingroup sys_pipe
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* @{
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* @file
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* @brief Implementation for dynamically allocated pipes.
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* @author René Kijewski <rene.kijewski@fu-berlin.de>
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* @}
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*/
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#include <stdlib.h>
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#include "pipe.h"
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struct mallocd_pipe
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{
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pipe_t pipe;
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ringbuffer_t rb;
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char buffer[1];
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};
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pipe_t *pipe_malloc(unsigned size)
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{
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struct mallocd_pipe *m_pipe = malloc(sizeof (*m_pipe) + size);
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if (m_pipe) {
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ringbuffer_init(&m_pipe->rb, m_pipe->buffer, size);
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pipe_init(&m_pipe->pipe, &m_pipe->rb, free);
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return &m_pipe->pipe;
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}
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return NULL;
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}
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void pipe_free(pipe_t *rp)
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{
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if (rp && rp->free) {
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rp->free(rp);
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}
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}
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