comparison: ucx/ucx.h
ucx/ucx.h
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| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2013 Olaf Wintermann. All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 /** | |
| 29 * Main UCX Header providing most common definitions. | |
| 30 * | |
| 31 * @file ucx.h | |
| 32 * @author Mike Becker | |
| 33 * @author Olaf Wintermann | |
| 34 */ | |
| 35 | |
| 36 #ifndef UCX_H | |
| 37 #define UCX_H | |
| 38 | |
| 39 /** Major UCX version as integer constant. */ | |
| 40 #define UCX_VERSION_MAJOR 1 | |
| 41 | |
| 42 /** Minor UCX version as integer constant. */ | |
| 43 #define UCX_VERSION_MINOR 0 | |
| 44 | |
| 45 /** The UCX version in format [major].[minor] */ | |
| 46 #define UCX_VERSION UCX_VERSION_MAJOR.UCX_VERSION_MINOR | |
| 47 | |
| 48 #include <stdlib.h> | |
| 49 | |
| 50 #ifdef _WIN32 | |
| 51 #if !(defined __ssize_t_defined || defined _SSIZE_T_) | |
| 52 #include <BaseTsd.h> | |
| 53 typedef SSIZE_T ssize_t; | |
| 54 #define __ssize_t_defined | |
| 55 #define _SSIZE_T_ | |
| 56 #endif /* __ssize_t_defined and _SSIZE_T */ | |
| 57 #else /* !_WIN32 */ | |
| 58 #include <sys/types.h> | |
| 59 #endif /* _WIN32 */ | |
| 60 | |
| 61 #ifdef __cplusplus | |
| 62 #ifndef _Bool | |
| 63 #define _Bool bool | |
| 64 #define restrict | |
| 65 #endif | |
| 66 /** Use C naming even when compiling with C++. */ | |
| 67 #define UCX_EXTERN extern "C" | |
| 68 extern "C" { | |
| 69 #else | |
| 70 /** Pointless in C. */ | |
| 71 #define UCX_EXTERN | |
| 72 #endif | |
| 73 | |
| 74 /** | |
| 75 * Function pointer to a compare function. | |
| 76 * | |
| 77 * The compare function shall take three arguments: the two values that shall be | |
| 78 * compared and optional additional data. | |
| 79 * The function shall then return -1 if the first argument is less than the | |
| 80 * second argument, 1 if the first argument is greater than the second argument | |
| 81 * and 0 if both arguments are equal. If the third argument is | |
| 82 * <code>NULL</code>, it shall be ignored. | |
| 83 */ | |
| 84 typedef int(*cmp_func)(void*,void*,void*); | |
| 85 | |
| 86 /** | |
| 87 * Function pointer to a copy function. | |
| 88 * | |
| 89 * The copy function shall create a copy of the first argument and may use | |
| 90 * additional data provided by the second argument. If the second argument is | |
| 91 * <code>NULL</code>, it shall be ignored. | |
| 92 | |
| 93 * <b>Attention:</b> if pointers returned by functions of this type may be | |
| 94 * passed to <code>free()</code> depends on the implementation of the | |
| 95 * respective <code>copy_func</code>. | |
| 96 */ | |
| 97 typedef void*(*copy_func)(void*,void*); | |
| 98 | |
| 99 /** | |
| 100 * Function pointer to a write function. | |
| 101 * | |
| 102 * The signature of the write function shall be compatible to the signature | |
| 103 * of standard <code>fwrite</code>, though it may use arbitrary data types for | |
| 104 * source and destination. | |
| 105 * | |
| 106 * The arguments shall contain (in ascending order): a pointer to the source, | |
| 107 * the length of one element, the element count and a pointer to the | |
| 108 * destination. | |
| 109 */ | |
| 110 typedef size_t(*write_func)(const void*, size_t, size_t, void*); | |
| 111 | |
| 112 /** | |
| 113 * Function pointer to a read function. | |
| 114 * | |
| 115 * The signature of the read function shall be compatible to the signature | |
| 116 * of standard <code>fread</code>, though it may use arbitrary data types for | |
| 117 * source and destination. | |
| 118 * | |
| 119 * The arguments shall contain (in ascending order): a pointer to the | |
| 120 * destination, the length of one element, the element count and a pointer to | |
| 121 * the source. | |
| 122 */ | |
| 123 typedef size_t(*read_func)(void*, size_t, size_t, void*); | |
| 124 | |
| 125 #ifdef __cplusplus | |
| 126 } | |
| 127 #endif | |
| 128 | |
| 129 #endif /* UCX_H */ | |
| 130 |
