1 | //memmgr.h: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2011 |
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5 | * |
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6 | * This file is part of libroar a 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 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 | * libroar 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 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 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 for everyone want's to change something and send patches: |
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25 | * read README and HACKING! There a addition information on |
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26 | * the license of this document you need to read before you send |
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27 | * any patches. |
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28 | * |
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29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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30 | * or libpulse*: |
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31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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32 | * and are therefore GPL. Because of this it may be illigal to use |
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33 | * them with any software that uses libesd, libartsc or libpulse*. |
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34 | */ |
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35 | |
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36 | #ifndef _LIBROARMEMMGR_H_ |
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37 | #define _LIBROARMEMMGR_H_ |
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38 | |
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39 | #include "libroar.h" |
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40 | |
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41 | #ifndef ROAR_USE_MEMMGR |
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42 | #if !defined(ROAR_HAVE_MALLOC) || !defined(ROAR_HAVE_CALLOC) || !defined(ROAR_HAVE_REALLOC) || !defined(ROAR_HAVE_FREE) |
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43 | #define ROAR_USE_MEMMGR |
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44 | #endif |
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45 | #endif |
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46 | |
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47 | #ifdef ROAR_USE_MEMMGR |
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48 | // those functions are currently not implemeted: |
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49 | void * roar_mm_calloc(size_t nmemb, size_t size); |
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50 | void * roar_mm_malloc(size_t size); |
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51 | int roar_mm_free(void *ptr); |
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52 | void * roar_mm_realloc(void *ptr, size_t size); |
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53 | |
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54 | /* |
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55 | * TODO: we need some functions to control the pre-alloc |
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56 | * of memory. |
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57 | */ |
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58 | |
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59 | #else |
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60 | #define roar_mm_calloc(nmemb, size) calloc((nmemb), (size)) |
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61 | #define roar_mm_malloc(size) malloc((size)) |
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62 | #define roar_mm_free(ptr) free((ptr)) |
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63 | #define roar_mm_realloc(ptr, size) realloc((ptr), (size)) |
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64 | #endif |
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65 | |
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66 | // dummy function doing the same as roar_mm_free() but return void. |
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67 | // this should only be used in case a function pointer of this type is required. |
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68 | void roar_mm_free_retvoid(void *ptr); |
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69 | |
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70 | // memory locking: |
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71 | |
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72 | #if defined(ROAR_HAVE_MLOCK) && defined(__linux__) |
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73 | #define roar_mm_mlock(addr, len) mlock((addr), (len)) |
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74 | #elif defined(ROAR_TARGET_MICROCONTROLLER) |
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75 | #define roar_mm_mlock(addr, len) 0 |
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76 | #else |
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77 | int roar_mm_mlock(const void *addr, size_t len); |
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78 | #endif |
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79 | |
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80 | #if defined(ROAR_HAVE_MUNLOCK) && defined(__linux__) |
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81 | #define roar_mm_munlock(addr, len) munlock((addr), (len)) |
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82 | #elif defined(ROAR_TARGET_MICROCONTROLLER) |
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83 | #define roar_mm_munlock(addr, len) 0 |
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84 | #else |
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85 | int roar_mm_munlock(const void *addr, size_t len); |
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86 | #endif |
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87 | |
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88 | #if defined(ROAR_HAVE_MLOCKALL) |
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89 | #define roar_mm_mlockall(flags) mlockall((flags)) |
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90 | #elif defined(ROAR_TARGET_MICROCONTROLLER) |
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91 | #define roar_mm_mlockall(flags) 0 |
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92 | #else |
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93 | #define roar_mm_mlockall(flags) (-1) |
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94 | #endif |
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95 | |
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96 | #if defined(ROAR_HAVE_MUNLOCKALL) |
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97 | #define roar_mm_munlockall() munlockall() |
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98 | #elif defined(ROAR_TARGET_MICROCONTROLLER) |
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99 | #define roar_mm_munlockall() 0 |
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100 | #else |
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101 | #define roar_mm_munlockall() (-1) |
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102 | #endif |
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103 | |
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104 | // for compatibility with old versions: |
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105 | #define ROAR_MLOCK _ROAR_MLOCK |
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106 | |
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107 | // aux functions: |
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108 | void * roar_mm_memdup(const void * s, size_t len); |
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109 | |
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110 | // string functions: |
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111 | #ifndef ROAR_HAVE_STRLEN |
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112 | ssize_t roar_mm_strlen(const char *s); |
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113 | #else |
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114 | #define roar_mm_strlen(str) strlen((str)) |
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115 | #endif |
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116 | |
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117 | ssize_t roar_mm_strnlen(const char *s, size_t maxlen); |
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118 | |
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119 | #if defined(ROAR_USE_MEMMGR) || !defined(ROAR_HAVE_STRDUP) |
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120 | char * roar_mm_strdup(const char *s); |
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121 | #else |
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122 | #define roar_mm_strdup(str) strdup((str)) |
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123 | #endif |
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124 | |
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125 | #if defined(ROAR_USE_MEMMGR) || !defined(ROAR_HAVE_STRNDUP) |
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126 | char *roar_mm_strndup(const char *s, size_t n); |
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127 | #else |
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128 | #define roar_mm_strndup(str, size) strdup((str), (size)) |
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129 | #endif |
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130 | |
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131 | #endif |
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132 | |
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133 | //ll |
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