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64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
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Copyright 2012 Wolfgang Thaller.
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This file is part of Retro68.
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Retro68 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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Retro68 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 Retro68. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <MacMemory.h>
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#include <Files.h>
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#include <string.h>
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Size GetPtrSize(Ptr ptr)
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{
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long tmp;
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__asm__ __volatile__(
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"move.l %1, %%a0\n\t"
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"dc.w 0xA021\n\t"
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"move.l %%d0, %1"
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: "=g"(tmp) : "g"(ptr) : "%%a0", "%%d0");
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if(tmp > 0)
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return (Size) tmp;
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else
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return 0;
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}
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OSErr SetVol (ConstStr63Param volName, short vRefNum)
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{
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ParamBlockRec pb;
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memset(&pb, 0, sizeof(pb));
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pb.volumeParam.ioNamePtr = (StringPtr)volName;
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pb.volumeParam.ioVRefNum = vRefNum;
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return PBSetVolSync(&pb);
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}
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OSErr UnmountVol (ConstStr63Param volName, short vRefNum)
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{
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ParamBlockRec pb;
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memset(&pb, 0, sizeof(pb));
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pb.volumeParam.ioNamePtr = (StringPtr)volName;
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pb.volumeParam.ioVRefNum = vRefNum;
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return PBUnmountVolImmed(&pb);
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}
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OSErr Eject (ConstStr63Param volName, short vRefNum)
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{
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ParamBlockRec pb;
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memset(&pb, 0, sizeof(pb));
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pb.volumeParam.ioNamePtr = (StringPtr)volName;
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pb.volumeParam.ioVRefNum = vRefNum;
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return PBEject(&pb);
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}
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