58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
#ifndef READ_DWORD
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#define READ_DWORD
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/* Copyright 2007,2009 Alain Knaff.
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* This file is part of mtools.
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*
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* Mtools 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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* Mtools 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 Mtools. If not, see <http://www.gnu.org/licenses/>.
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*/
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static Dword read_dword(int handle)
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{
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Byte val[4];
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if(read(handle, (char *)val, 4) < 4)
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return (Dword) -1;
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return byte2dword(val);
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}
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UNUSED(static int32_t read_sdword(int handle))
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{
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Byte val[4];
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if(read(handle, (char *)val, 4) < 4)
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return (int32_t) -1;
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return byte2sdword(val);
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}
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struct SQwordRet { int64_t v; int err; };
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UNUSED(static struct SQwordRet read_sqword(int handle) )
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{
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Byte val[8];
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struct SQwordRet ret;
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if(read(handle, (char *)val, 8) < 8) {
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ret.err=-1;
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} else {
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ret.v = (int64_t) byte2qword(val);
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ret.err = 0;
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}
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return ret;
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}
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#endif
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