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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2013 Olaf Wintermann. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | /** |
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29 | * Main UCX Header providing most common definitions. |
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30 | * |
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31 | * @file ucx.h |
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32 | * @author Mike Becker |
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33 | * @author Olaf Wintermann |
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34 | */ |
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35 | |
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36 | #ifndef UCX_H |
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37 | #define UCX_H |
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38 | |
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39 | #include <stdlib.h> |
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40 | |
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41 | #ifdef _WIN32 |
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42 | #if !(defined __ssize_t_defined || defined _SSIZE_T_) |
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43 | #include <BaseTsd.h> |
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44 | typedef SSIZE_T ssize_t; |
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45 | #define __ssize_t_defined |
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46 | #define _SSIZE_T_ |
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47 | #endif /* __ssize_t_defined and _SSIZE_T */ |
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48 | #else /* !_WIN32 */ |
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49 | #include <sys/types.h> |
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50 | #endif /* _WIN32 */ |
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51 | |
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52 | #ifdef __cplusplus |
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53 | #ifndef _Bool |
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54 | #define _Bool bool |
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55 | #define restrict |
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56 | #endif |
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57 | #define UCX_EXTERN extern "C" |
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58 | extern "C" { |
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59 | #else |
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60 | #define UCX_EXTERN |
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61 | #endif |
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62 | |
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63 | /** |
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64 | * Function pointer to a compare function. |
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65 | * |
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66 | * The compare function shall take three arguments: the two values that shall be |
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67 | * compared and optional additional data. |
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68 | * The function shall then return -1 if the first argument is less than the |
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69 | * second argument, 1 if the first argument is greater than the second argument |
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70 | * and 0 if both arguments are equal. If the third argument is |
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71 | * <code>NULL</code>, it shall be ignored. |
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72 | */ |
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73 | typedef int(*cmp_func)(void*,void*,void*); |
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74 | |
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75 | /** |
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76 | * Function pointer to a copy function. |
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77 | * |
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78 | * The copy function shall create a copy of the first argument and may use |
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79 | * additional data provided by the second argument. If the second argument is |
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80 | * <code>NULL</code>, it shall be ignored. |
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81 | |
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82 | * <b>Attention:</b> if pointers returned by functions of this type may be |
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83 | * passed to <code>free()</code> depends on the implementation of the |
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84 | * respective <code>copy_func</code>. |
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85 | */ |
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86 | typedef void*(*copy_func)(void*,void*); |
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87 | |
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88 | /** |
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89 | * Function pointer to a write function. |
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90 | * |
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91 | * The signature of the write function shall be compatible to the signature |
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92 | * of standard <code>fwrite</code>, though it may use arbitrary data types for |
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93 | * source and destination. |
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94 | * |
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95 | * The arguments shall contain (in ascending order): a pointer to the source, |
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96 | * the length of one element, the element count and a pointer to the |
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97 | * destination. |
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98 | */ |
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99 | typedef size_t(*write_func)(const void*, size_t, size_t, void*); |
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100 | |
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101 | /** |
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102 | * Function pointer to a read function. |
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103 | * |
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104 | * The signature of the read function shall be compatible to the signature |
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105 | * of standard <code>fread</code>, though it may use arbitrary data types for |
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106 | * source and destination. |
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107 | * |
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108 | * The arguments shall contain (in ascending order): a pointer to the |
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109 | * destination, the length of one element, the element count and a pointer to |
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110 | * the source. |
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111 | */ |
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112 | typedef size_t(*read_func)(void*, size_t, size_t, void*); |
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113 | |
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114 | #ifdef __cplusplus |
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115 | } |
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116 | #endif |
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117 | |
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118 | #endif /* UCX_H */ |
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119 |