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annotate anagram/support/myalloc.h @ 6:607e3be6bad8

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Adjust to the moving target called the C++ standard. Apparently nowadays it's not allowed to define an explicit copy constructor but not an assignment operator. Consequently, defining the explicit copy constructor in terms of the implicit/automatic assignment operator for general convenience no longer works. Add assignment operators. Caution: not tested with the IBM compiler, but there's no particular reason it shouldn't work.
author David A. Holland
date Mon, 30 May 2022 23:46:22 -0400
parents 13d2b8934445
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1 /*
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2 * AnaGram, A System for Syntax Directed Programming
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3 * Copyright 1993-2002 Parsifal Software. All Rights Reserved.
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4 * See the file COPYING for license and usage terms.
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5 *
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6 * myalloc.h - memory management wrappers
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7 */
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8
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9 #ifndef MYALLOC_H
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10 #define MYALLOC_H
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11
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12 //#include <malloc.h>
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13
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14 void *myalloc(unsigned n);
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15 void *myzalloc(unsigned n, unsigned size);
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16 void myfree(void *ptr, const char *file, int line);
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17 void *myrealloc(void *p, unsigned n, const char *file, int line);
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18 void ptr_ng(const void *ptr, const char *file, int line);
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19 int ptr_ok(void *ptr);
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20 void size_ok(const void *ptr, unsigned, const char *file, int line);
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21 char *mystrdup(const char *);
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22
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23 #define ALLOCATE(n,type) ((type *) myalloc( (n) *sizeof(type) ) )
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24
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25 #define ALLOCATE_ST(p, n) (*(void **)(&p) = myalloc( (n)*sizeof(*(p)) ))
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26
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27 #define ZALLOCATE(n,type) ((type *) myzalloc( (n) , sizeof(type) ) )
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28
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29 #define ZALLOCATE_ST(p, n) (*(void **)(&p) = myzalloc( (n), sizeof(*(p)) ))
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30
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31 #define reallocate(a,n,type) ((type *) myrealloc((a),(n)*sizeof(type), __FILE__, __LINE__))
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32
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33 #define REALLOCATE_ST(p, n) (*(void **)(&p) = myrealloc((p), (n)*sizeof(*(p)) , __FILE__, __LINE__))
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34
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35 #define ok_ptr(p) ptr_ng(p, __FILE__, __LINE__)
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36 #define DEALLOCATE(x) myfree(x, __FILE__, __LINE__)
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37
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38
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39 #endif /* MYALLOC_H */