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58 lines
1.6 KiB
58 lines
1.6 KiB
/* |
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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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#if defined(MCU_ATMEGA2560) || defined(MCU_ATMEGA1281) || defined(MCU_ATMEGA328P) |
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#include <stdlib.h> |
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#else |
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#include <malloc.h> |
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#endif |
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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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} |
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return &m_pipe->pipe; |
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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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