| 1 |  | 
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| 2 | /* GNUPLOT - gp_alloc.h (alloc.h renamed to gp_alloc.h) */ | 
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| 3 |  | 
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| 4 | /*[ | 
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| 5 | * Copyright 1986 - 1993, 1998   Thomas Williams, Colin Kelley | 
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| 6 | * | 
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| 7 | * Permission to use, copy, and distribute this software and its | 
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| 8 | * documentation for any purpose with or without fee is hereby granted, | 
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| 9 | * provided that the above copyright notice appear in all copies and | 
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| 10 | * that both that copyright notice and this permission notice appear | 
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| 11 | * in supporting documentation. | 
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| 12 | * | 
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| 13 | * Permission to modify the software is granted, but not the right to | 
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| 14 | * distribute the complete modified source code.  Modifications are to | 
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| 15 | * be distributed as patches to the released version.  Permission to | 
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| 16 | * distribute binaries produced by compiling modified sources is granted, | 
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| 17 | * provided you | 
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| 18 | *   1. distribute the corresponding source modifications from the | 
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| 19 | *    released version in the form of a patch file along with the binaries, | 
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| 20 | *   2. add special version identification to distinguish your version | 
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| 21 | *    in addition to the base release version number, | 
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| 22 | *   3. provide your name and address as the primary contact for the | 
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| 23 | *    support of your modified version, and | 
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| 24 | *   4. retain our contact information in regard to use of the base | 
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| 25 | *    software. | 
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| 26 | * Permission to distribute the released version of the source code along | 
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| 27 | * with corresponding source modifications in the form of a patch file is | 
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| 28 | * granted with same provisions 2 through 4 for binary distributions. | 
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| 29 | * | 
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| 30 | * This software is provided "as is" without express or implied warranty | 
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| 31 | * to the extent permitted by applicable law. | 
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| 32 | ]*/ | 
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| 33 |  | 
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| 34 | #ifndef GNUPLOT_ALLOC_H | 
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| 35 | # define GNUPLOT_ALLOC_H | 
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| 36 |  | 
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| 37 | #include <stdio.h> | 
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| 38 | #include <stdlib.h> | 
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| 39 | #include "gp_graph3d.h" | 
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| 40 | /**** | 
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| 41 | #ifdef HAVE_CONFIG_H | 
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| 42 | # include "config.h" | 
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| 43 | #endif | 
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| 44 |  | 
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| 45 | #include "stdfn.h" | 
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| 46 | ****/ | 
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| 47 | /* prototypes from "alloc.c". This file figures out if the free hack is needed | 
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| 48 | * and redefines free if necessary. | 
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| 49 | */ | 
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| 50 |  | 
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| 51 | void *gp_alloc(size_t size, const char *message); | 
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| 52 | void *gp_realloc(void *p, size_t size, const char *message); | 
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| 53 | struct iso_curve *iso_alloc(int); | 
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| 54 |  | 
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| 55 | void iso_free(struct iso_curve *); | 
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| 56 | void gp_free(void *); | 
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| 57 | void contour_free(struct gnuplot_contours *ptr); | 
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| 58 | /* dont define CHECK_HEAP_USE on a FARALLOC machine ! */ | 
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| 59 |  | 
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| 60 | #ifdef CHECK_HEAP_USE | 
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| 61 |  | 
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| 62 | /* all allocated blocks have guards at front and back. | 
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| 63 | * CHECK_POINTER checks guards on block, and checks that p is in range | 
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| 64 | * START_LEAK_CHECK and END_LEAK_CHECK allow assert that no net memory | 
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| 65 | * is allocated within enclosed block | 
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| 66 | */ | 
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| 67 |  | 
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| 68 | void checked_free(void *p); | 
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| 69 | void check_pointer_in_block(void *block, void *p, int size, char *file, int line); | 
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| 70 | void start_leak_check(char *file,int line); | 
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| 71 | void end_leak_check(char *file,int line); | 
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| 72 | /*# define free(x) checked_free(x)*/ | 
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| 73 | # define CHECK_POINTER(block, p) check_pointer_in_block(block, p, sizeof(*p), __FILE__, __LINE__) | 
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| 74 | # define START_LEAK_CHECK() start_leak_check(__FILE__, __LINE__) | 
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| 75 | # define END_LEAK_CHECK() end_leak_check(__FILE__, __LINE__) | 
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| 76 | #else | 
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| 77 | # define CHECK_POINTER(block, p) /*nowt*/ | 
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| 78 | # define START_LEAK_CHECK() /*nowt*/ | 
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| 79 | # define END_LEAK_CHECK() /*nowt*/ | 
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| 80 | #endif | 
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| 81 |  | 
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| 82 | /*** | 
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| 83 | #if defined(MSDOS) && defined(__TURBOC__) && !defined(DOSX286) || defined(_Windows) && !defined(WIN32) | 
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| 84 | #define FARALLOC | 
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| 85 | void gpfree((generic *p)); | 
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| 86 | #define free gpfree | 
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| 87 | #endif | 
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| 88 | ***/ | 
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| 89 | #endif /* GNUPLOT_ALLOC_H */ | 
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