42 lines
1.5 KiB
C++
42 lines
1.5 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/** \file
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* \ingroup imbdds
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*/
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/* simple memory stream functions with buffer overflow check */
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#pragma once
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struct Stream {
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unsigned char *mem; /* location in memory */
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unsigned int size; /* size */
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unsigned int pos; /* current position */
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bool failed; /* error occurred when seeking */
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Stream(unsigned char *m, unsigned int s) : mem(m), size(s), pos(0), failed(false)
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{
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}
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unsigned int seek(unsigned int p);
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void set_failed(const char *msg);
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};
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unsigned int mem_read(Stream &mem, unsigned long long &i);
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unsigned int mem_read(Stream &mem, unsigned int &i);
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unsigned int mem_read(Stream &mem, unsigned short &i);
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unsigned int mem_read(Stream &mem, unsigned char &i);
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unsigned int mem_read(Stream &mem, unsigned char *i, unsigned int cnt);
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