106 lines
2.4 KiB
C
106 lines
2.4 KiB
C
//
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// devicenameservice.c
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//
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// USPi - An USB driver for Raspberry Pi written in C
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// Copyright (C) 2014 R. Stange <rsta2@o2online.de>
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//
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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 3 of the License, or
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// (at your option) any later version.
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//
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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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//
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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, see <http://www.gnu.org/licenses/>.
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//
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#include <uspi/devicenameservice.h>
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#include <uspi/util.h>
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#include <uspi/assert.h>
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#include <uspios.h>
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static TDeviceNameService *s_pThis = 0;
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void DeviceNameService (TDeviceNameService *pThis)
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{
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assert (pThis != 0);
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pThis->m_pList = 0;
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assert (s_pThis == 0);
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s_pThis = pThis;
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}
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void _DeviceNameService (TDeviceNameService *pThis)
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{
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assert (pThis != 0);
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while (pThis->m_pList != 0)
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{
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TDeviceInfo *pNext = pThis->m_pList->pNext;
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assert (pThis->m_pList->pName != 0);
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free (pThis->m_pList->pName);
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pThis->m_pList->pName = 0;
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pThis->m_pList->pDevice = 0;
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free (pThis->m_pList);
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pThis->m_pList = pNext;
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}
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s_pThis = 0;
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}
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void DeviceNameServiceAddDevice (TDeviceNameService *pThis, const char *pName, void *pDevice, boolean bBlockDevice)
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{
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assert (pThis != 0);
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TDeviceInfo *pInfo = (TDeviceInfo *) malloc (sizeof (TDeviceInfo));
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assert (pInfo != 0);
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assert (pName != 0);
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pInfo->pName = (char *) malloc (strlen (pName)+1);
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assert (pInfo->pName != 0);
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strcpy (pInfo->pName, pName);
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assert (pDevice != 0);
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pInfo->pDevice = pDevice;
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pInfo->bBlockDevice = bBlockDevice;
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pInfo->pNext = pThis->m_pList;
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pThis->m_pList = pInfo;
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}
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void *DeviceNameServiceGetDevice (TDeviceNameService *pThis, const char *pName, boolean bBlockDevice)
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{
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assert (pThis != 0);
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assert (pName != 0);
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TDeviceInfo *pInfo = pThis->m_pList;
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while (pInfo != 0)
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{
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assert (pInfo->pName != 0);
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if ( strcmp (pName, pInfo->pName) == 0
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&& pInfo->bBlockDevice == bBlockDevice)
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{
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assert (pInfo->pDevice != 0);
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return pInfo->pDevice;
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}
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pInfo = pInfo->pNext;
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}
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return 0;
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}
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TDeviceNameService *DeviceNameServiceGet (void)
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{
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assert (s_pThis != 0);
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return s_pThis;
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}
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