1 | //compilerhacks.h: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2013 |
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5 | * |
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6 | * This file is part of RoarAudio, |
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7 | * a cross-platform sound system for both, home and professional use. |
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8 | * See README for details. |
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9 | * |
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10 | * This file is free software; you can redistribute it and/or modify |
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11 | * it under the terms of the GNU Lesser General Public License version 3 |
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12 | * as published by the Free Software Foundation. |
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13 | * |
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14 | * RoarAudio is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU Lesser General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU Lesser General Public License |
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20 | * along with this software; see the file COPYING. If not, write to |
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21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | * NOTE: Even though this file is LGPLed it (may) include GPLed files |
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25 | * so the license of this file is/may therefore downgraded to GPL. |
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26 | * See HACKING for details. |
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27 | */ |
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28 | |
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29 | #ifndef _ROARAUDIO_COMPILERHACKS_H_ |
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30 | #define _ROARAUDIO_COMPILERHACKS_H_ |
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31 | |
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32 | // just informative macros: |
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33 | #define _LIBROAR_GOOD_CAST |
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34 | #define _LIBROAR_BAD_CAST |
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35 | |
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36 | #if defined(__GNUC__) && __GNUC__ >= 4 |
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37 | #define _LIBROAR_ATTR_DEPRECATED __attribute__((deprecated)) |
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38 | #define _LIBROAR_ATTR_PURE __attribute__ ((pure)) |
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39 | #define _LIBROAR_ATTR_USE_RESULT __attribute__ ((warn_unused_result)) |
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40 | #define _LIBROAR_ATTR_PRINTF(str,args) __attribute__ ((format (printf, str, args))) |
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41 | |
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42 | // gcc does not only add a warning on NULL argument for the following |
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43 | // but also asumes they are never NULL (but allows them to be NULL) |
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44 | // and breaks our check this way. |
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45 | #if 0 |
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46 | #define _LIBROAR_ATTR_NONNULL(x, index...) __attribute__((nonnull ( x, ##index ))) |
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47 | #define _LIBROAR_ATTR_NONNULL_ALL __attribute__((nonnull)) |
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48 | #endif |
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49 | #endif |
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50 | |
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51 | // add more defintions for other compilers here. |
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52 | |
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53 | |
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54 | |
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55 | #ifndef _LIBROAR_ATTR_DEPRECATED |
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56 | #define _LIBROAR_ATTR_DEPRECATED |
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57 | #endif |
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58 | #ifndef _LIBROAR_ATTR_NONNULL |
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59 | #define _LIBROAR_ATTR_NONNULL(index...) |
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60 | #endif |
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61 | #ifndef _LIBROAR_ATTR_NONNULL_ALL |
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62 | #define _LIBROAR_ATTR_NONNULL_ALL |
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63 | #endif |
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64 | #ifndef _LIBROAR_ATTR_PURE |
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65 | #define _LIBROAR_ATTR_PURE |
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66 | #endif |
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67 | #ifndef _LIBROAR_ATTR_USE_RESULT |
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68 | #define _LIBROAR_ATTR_USE_RESULT |
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69 | #endif |
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70 | #ifndef _LIBROAR_ATTR_PRINTF |
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71 | #define _LIBROAR_ATTR_PRINTF(str,args) |
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72 | #endif |
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73 | |
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74 | #ifndef _LIBROAR_IGNORE_RET |
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75 | #define _LIBROAR_IGNORE_RET(x) ((void)((x)+1)) |
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76 | #endif |
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77 | |
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78 | #ifndef _LIBROAR_NOATTR_TO_STATIC |
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79 | #define _LIBROAR_ATTR_TO_STATIC _LIBROAR_ATTR_DEPRECATED |
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80 | #else |
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81 | #define _LIBROAR_ATTR_TO_STATIC |
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82 | #endif |
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83 | |
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84 | #ifdef _LIBROAR_NOATTR_WARNINGS |
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85 | #undef _LIBROAR_ATTR_DEPRECATED |
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86 | #define _LIBROAR_ATTR_DEPRECATED |
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87 | #undef _LIBROAR_ATTR_USE_RESULT |
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88 | #define _LIBROAR_ATTR_USE_RESULT |
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89 | #endif |
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90 | |
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91 | #endif |
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92 | |
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93 | //ll |
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