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/* ========================================================================
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* Copyright 1988-2006 University of Washington
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* ========================================================================
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* Program: Memory move when no bcopy()
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* Author: Mark Crispin
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* Networks and Distributed Computing
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* Computing & Communications
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* University of Washington
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* Administration Building, AG-44
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* Internet: MRC@CAC.Washington.EDU
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* Last Edited: 30 August 2006
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* Accepts: destination pointer
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* Returns: destination pointer
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void *memmove (void *s,void *ct,size_t n)
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unsigned long dest = (unsigned long) s;
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unsigned long src = (unsigned long) ct;
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if (((dest < src) && ((dest + n) < src)) ||
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((dest > src) && ((src + n) < dest))) return (void *) memcpy (s,ct,n);
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if (dest < src) for (i = 0; i < n; ++i) dp[i] = sp[i];
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else if (dest > src) for (i = n - 1; i >= 0; --i) dp[i] = sp[i];