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31 lines
930 B
C
31 lines
930 B
C
/*
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* sim-sbrk.c -- m68k sbrk support when running under the simulator.
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*
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* Copyright (c) 1995, 2001 Cygnus Support
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*/
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extern char _end[];
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static char *curbrk = _end;
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char *
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sbrk (incr)
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int incr;
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{
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char *oldbrk = curbrk;
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curbrk += incr;
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if (brk (curbrk) == -1)
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return (char *) -1;
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return oldbrk;
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}
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