1 | // Copyright (c) Athena Dev Teams - Licensed under GNU GPL |
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2 | // For more information, see LICENCE in the main folder |
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3 | |
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4 | #include "../common/malloc.h" |
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5 | #include "../common/core.h" |
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6 | #include "../common/showmsg.h" |
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7 | |
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8 | #include <stdio.h> |
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9 | #include <stdlib.h> |
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10 | #include <string.h> |
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11 | #include <time.h> |
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12 | |
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13 | // no logging for minicore |
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14 | #if defined(MINICORE) && defined(LOG_MEMMGR) |
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15 | #undef LOG_MEMMGR |
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16 | #endif |
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17 | |
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18 | void* aMalloc_(size_t size, const char *file, int line, const char *func) |
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19 | { |
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20 | void *ret = MALLOC(size, file, line, func); |
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21 | // ShowMessage("%s:%d: in func %s: aMalloc %d\n",file,line,func,size); |
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22 | if (ret == NULL){ |
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23 | ShowFatalError("%s:%d: in func %s: aMalloc error out of memory!\n",file,line,func); |
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24 | exit(EXIT_FAILURE); |
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25 | } |
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26 | |
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27 | return ret; |
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28 | } |
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29 | void* aMallocA_(size_t size, const char *file, int line, const char *func) |
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30 | { |
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31 | void *ret = MALLOCA(size, file, line, func); |
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32 | // ShowMessage("%s:%d: in func %s: aMallocA %d\n",file,line,func,size); |
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33 | if (ret == NULL){ |
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34 | ShowFatalError("%s:%d: in func %s: aMallocA error out of memory!\n",file,line,func); |
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35 | exit(EXIT_FAILURE); |
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36 | } |
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37 | |
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38 | return ret; |
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39 | } |
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40 | void* aCalloc_(size_t num, size_t size, const char *file, int line, const char *func) |
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41 | { |
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42 | void *ret = CALLOC(num, size, file, line, func); |
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43 | // ShowMessage("%s:%d: in func %s: aCalloc %d %d\n",file,line,func,num,size); |
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44 | if (ret == NULL){ |
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45 | ShowFatalError("%s:%d: in func %s: aCalloc error out of memory!\n", file, line, func); |
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46 | exit(EXIT_FAILURE); |
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47 | } |
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48 | return ret; |
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49 | } |
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50 | void* aCallocA_(size_t num, size_t size, const char *file, int line, const char *func) |
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51 | { |
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52 | void *ret = CALLOCA(num, size, file, line, func); |
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53 | // ShowMessage("%s:%d: in func %s: aCallocA %d %d\n",file,line,func,num,size); |
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54 | if (ret == NULL){ |
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55 | ShowFatalError("%s:%d: in func %s: aCallocA error out of memory!\n",file,line,func); |
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56 | exit(EXIT_FAILURE); |
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57 | } |
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58 | return ret; |
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59 | } |
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60 | void* aRealloc_(void *p, size_t size, const char *file, int line, const char *func) |
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61 | { |
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62 | void *ret = REALLOC(p, size, file, line, func); |
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63 | // ShowMessage("%s:%d: in func %s: aRealloc %p %d\n",file,line,func,p,size); |
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64 | if (ret == NULL){ |
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65 | ShowFatalError("%s:%d: in func %s: aRealloc error out of memory!\n",file,line,func); |
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66 | exit(EXIT_FAILURE); |
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67 | } |
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68 | return ret; |
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69 | } |
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70 | char* aStrdup_(const char *p, const char *file, int line, const char *func) |
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71 | { |
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72 | char *ret = STRDUP(p, file, line, func); |
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73 | // ShowMessage("%s:%d: in func %s: aStrdup %p\n",file,line,func,p); |
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74 | if (ret == NULL){ |
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75 | ShowFatalError("%s:%d: in func %s: aStrdup error out of memory!\n", file, line, func); |
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76 | exit(EXIT_FAILURE); |
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77 | } |
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78 | return ret; |
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79 | } |
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80 | void aFree_(void *p, const char *file, int line, const char *func) |
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81 | { |
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82 | // ShowMessage("%s:%d: in func %s: aFree %p\n",file,line,func,p); |
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83 | if (p) |
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84 | FREE(p, file, line, func); |
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85 | |
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86 | p = NULL; |
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87 | } |
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88 | |
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89 | #ifdef GCOLLECT |
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90 | |
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91 | void* _bcallocA(size_t size, size_t cnt) |
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92 | { |
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93 | void *ret = MALLOCA(size * cnt); |
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94 | if (ret) memset(ret, 0, size * cnt); |
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95 | return ret; |
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96 | } |
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97 | void* _bcalloc(size_t size, size_t cnt) |
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98 | { |
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99 | void *ret = MALLOC(size * cnt); |
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100 | if (ret) memset(ret, 0, size * cnt); |
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101 | return ret; |
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102 | } |
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103 | char* _bstrdup(const char *chr) |
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104 | { |
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105 | int len = strlen(chr); |
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106 | char *ret = (char*)MALLOC(len + 1); |
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107 | if (ret) memcpy(ret, chr, len + 1); |
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108 | return ret; |
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109 | } |
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110 | |
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111 | #endif |
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112 | |
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113 | #ifdef USE_MEMMGR |
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114 | |
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115 | #if defined(DEBUG) |
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116 | #define DEBUG_MEMMGR |
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117 | #endif |
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118 | |
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119 | /* USE_MEMMGR */ |
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120 | |
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121 | /* |
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122 | * }l[W |
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123 | * malloc , free ÌðøŠIÉo鿀ɵœàÌB |
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124 | * ¡GÈðsÁÄ¢éÌÅAá±dÈé©àµêܹñB |
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125 | * |
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126 | * f[^\¢ÈÇiàŸºèÅ·¢Ü¹ñ^^; j |
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127 | * Eð¡ÌuubNvɪ¯ÄA³çÉubNð¡Ìujbgv |
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128 | * ɪ¯Ä¢Ü·BjbgÌTCYÍAPubNÌeÊð¡ÂÉÏzª |
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129 | * µœàÌÅ·BœÆŠÎAPjbg32KBÌêAubNPÂÍ32ByteÌ |
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130 | * jbgªA1024ÂWÜÁÄoÄ¢œèA64ByteÌjbgª 512ÂWÜÁÄ |
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131 | * oÄ¢œèµÜ·Bipadding,unit_head ðj |
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132 | * |
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133 | * EubN¯mÍNXg(block_prev,block_next) ÅÂȪèA¯¶TC |
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134 | * YðÂubN¯màNXg(hash_prev,hash_nect) ÅÂÈ |
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135 | * ªÁĢܷB»êÉæèAsvÆÈÁœÌÄpªøŠIÉsŠÜ·B |
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136 | */ |
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137 | |
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138 | /* ubNÌACg */ |
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139 | #define BLOCK_ALIGNMENT1 16 |
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140 | #define BLOCK_ALIGNMENT2 64 |
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141 | |
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142 | /* ubNÉüéf[^Ê */ |
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143 | #define BLOCK_DATA_COUNT1 128 |
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144 | #define BLOCK_DATA_COUNT2 608 |
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145 | |
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146 | /* ubNÌ嫳: 16*128 + 64*576 = 40KB */ |
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147 | #define BLOCK_DATA_SIZE1 ( BLOCK_ALIGNMENT1 * BLOCK_DATA_COUNT1 ) |
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148 | #define BLOCK_DATA_SIZE2 ( BLOCK_ALIGNMENT2 * BLOCK_DATA_COUNT2 ) |
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149 | #define BLOCK_DATA_SIZE ( BLOCK_DATA_SIZE1 + BLOCK_DATA_SIZE2 ) |
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150 | |
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151 | /* êxÉmÛ·éubNÌB */ |
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152 | #define BLOCK_ALLOC 104 |
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153 | |
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154 | /* ubN */ |
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155 | struct block { |
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156 | struct block* block_next; /* ÉmÛµœÌæ */ |
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157 | struct block* unfill_prev; /* ÌÜÁÄ¢È¢Ìæ */ |
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158 | struct block* unfill_next; /* ÌÜÁÄ¢È¢Ìæ */ |
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159 | unsigned short unit_size; /* jbgÌ嫳 */ |
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160 | unsigned short unit_hash; /* jbgÌnbV
*/ |
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161 | unsigned short unit_count; /* jbgÌÂ */ |
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162 | unsigned short unit_used; /* gpjbg */ |
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163 | unsigned short unit_unfill; /* ¢gpjbgÌê */ |
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164 | unsigned short unit_maxused; /* gpjbgÌÅål */ |
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165 | char data[ BLOCK_DATA_SIZE ]; |
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166 | }; |
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167 | |
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168 | struct unit_head { |
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169 | struct block *block; |
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170 | const char* file; |
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171 | unsigned short line; |
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172 | unsigned short size; |
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173 | long checksum; |
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174 | }; |
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175 | |
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176 | static struct block* hash_unfill[BLOCK_DATA_COUNT1 + BLOCK_DATA_COUNT2 + 1]; |
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177 | static struct block* block_first, *block_last, block_head; |
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178 | |
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179 | /* ðg¢ñ¹È¢ÌæpÌf[^ */ |
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180 | struct unit_head_large { |
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181 | size_t size; |
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182 | struct unit_head_large* prev; |
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183 | struct unit_head_large* next; |
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184 | struct unit_head unit_head; |
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185 | }; |
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186 | |
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187 | static struct unit_head_large *unit_head_large_first = NULL; |
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188 | |
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189 | static struct block* block_malloc(unsigned short hash); |
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190 | static void block_free(struct block* p); |
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191 | static size_t memmgr_usage_bytes; |
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192 | |
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193 | #define block2unit(p, n) ((struct unit_head*)(&(p)->data[ p->unit_size * (n) ])) |
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194 | #define memmgr_assert(v) do { if(!(v)) { ShowError("Memory manager: assertion '" #v "' failed!\n"); } } while(0) |
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195 | |
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196 | static unsigned short size2hash( size_t size ) |
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197 | { |
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198 | if( size <= BLOCK_DATA_SIZE1 ) { |
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199 | return (unsigned short)(size + BLOCK_ALIGNMENT1 - 1) / BLOCK_ALIGNMENT1; |
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200 | } else if( size <= BLOCK_DATA_SIZE ){ |
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201 | return (unsigned short)(size - BLOCK_DATA_SIZE1 + BLOCK_ALIGNMENT2 - 1) / BLOCK_ALIGNMENT2 |
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202 | + BLOCK_DATA_COUNT1; |
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203 | } else { |
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204 | return 0xffff; // ubN·ðŽŠéêÍ hash ɵȢ |
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205 | } |
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206 | } |
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207 | |
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208 | static size_t hash2size( unsigned short hash ) |
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209 | { |
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210 | if( hash <= BLOCK_DATA_COUNT1) { |
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211 | return hash * BLOCK_ALIGNMENT1; |
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212 | } else { |
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213 | return (hash - BLOCK_DATA_COUNT1) * BLOCK_ALIGNMENT2 + BLOCK_DATA_SIZE1; |
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214 | } |
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215 | } |
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216 | |
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217 | void* _mmalloc(size_t size, const char *file, int line, const char *func ) |
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218 | { |
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219 | struct block *block; |
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220 | short size_hash = size2hash( size ); |
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221 | struct unit_head *head; |
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222 | |
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223 | if (((long) size) < 0) { |
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224 | ShowError("_mmalloc: %d\n", size); |
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225 | return 0; |
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226 | } |
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227 | |
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228 | if(size == 0) { |
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229 | return NULL; |
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230 | } |
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231 | memmgr_usage_bytes += size; |
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232 | |
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233 | /* ubN·ðŽŠéÌæÌmÛÉÍAmalloc() ðp¢é */ |
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234 | /* »ÌÛAunit_head.block É NULL ðãüµÄæÊ·é */ |
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235 | if(hash2size(size_hash) > BLOCK_DATA_SIZE - sizeof(struct unit_head)) { |
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236 | struct unit_head_large* p = (struct unit_head_large*)MALLOC(sizeof(struct unit_head_large)+size,file,line,func); |
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237 | if(p != NULL) { |
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238 | p->size = size; |
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239 | p->unit_head.block = NULL; |
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240 | p->unit_head.size = 0; |
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241 | p->unit_head.file = file; |
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242 | p->unit_head.line = line; |
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243 | p->prev = NULL; |
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244 | if (unit_head_large_first == NULL) |
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245 | p->next = NULL; |
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246 | else { |
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247 | unit_head_large_first->prev = p; |
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248 | p->next = unit_head_large_first; |
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249 | } |
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250 | unit_head_large_first = p; |
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251 | *(long*)((char*)p + sizeof(struct unit_head_large) - sizeof(long) + size) = 0xdeadbeaf; |
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252 | return (char *)p + sizeof(struct unit_head_large) - sizeof(long); |
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253 | } else { |
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254 | ShowFatalError("Memory manager::memmgr_alloc failed (allocating %d+%d bytes at %s:%d).\n", sizeof(struct unit_head_large), size, file, line); |
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255 | exit(EXIT_FAILURE); |
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256 | } |
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257 | } |
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258 | |
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259 | /* ¯êTCYÌubNªmÛ³êĢȢAVœÉmÛ·é */ |
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260 | if(hash_unfill[size_hash]) { |
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261 | block = hash_unfill[size_hash]; |
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262 | } else { |
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263 | block = block_malloc(size_hash); |
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264 | } |
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265 | |
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266 | if( block->unit_unfill == 0xFFFF ) { |
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267 | // freeÏÝÌæªcÁĢȢ |
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268 | memmgr_assert(block->unit_used < block->unit_count); |
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269 | memmgr_assert(block->unit_used == block->unit_maxused); |
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270 | head = block2unit(block, block->unit_maxused); |
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271 | block->unit_used++; |
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272 | block->unit_maxused++; |
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273 | } else { |
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274 | head = block2unit(block, block->unit_unfill); |
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275 | block->unit_unfill = head->size; |
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276 | block->unit_used++; |
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277 | } |
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278 | |
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279 | if( block->unit_unfill == 0xFFFF && block->unit_maxused >= block->unit_count) { |
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280 | // jbgðg¢ÊœµœÌÅAunfillXg©çí |
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281 | if( block->unfill_prev == &block_head) { |
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282 | hash_unfill[ size_hash ] = block->unfill_next; |
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283 | } else { |
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284 | block->unfill_prev->unfill_next = block->unfill_next; |
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285 | } |
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286 | if( block->unfill_next ) { |
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287 | block->unfill_next->unfill_prev = block->unfill_prev; |
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288 | } |
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289 | block->unfill_prev = NULL; |
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290 | } |
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291 | |
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292 | #ifdef DEBUG_MEMMGR |
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293 | { |
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294 | size_t i, sz = hash2size( size_hash ); |
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295 | for( i=0; i<sz; i++ ) |
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296 | { |
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297 | if( ((unsigned char*)head)[ sizeof(struct unit_head) - sizeof(long) + i] != 0xfd ) |
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298 | { |
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299 | if( head->line != 0xfdfd ) |
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300 | { |
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301 | ShowError("Memory manager: freed-data is changed. (freed in %s line %d)\n", head->file,head->line); |
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302 | } |
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303 | else |
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304 | { |
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305 | ShowError("Memory manager: not-allocated-data is changed.\n"); |
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306 | } |
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307 | break; |
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308 | } |
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309 | } |
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310 | memset( (char *)head + sizeof(struct unit_head) - sizeof(long), 0xcd, sz ); |
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311 | } |
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312 | #endif |
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313 | |
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314 | head->block = block; |
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315 | head->file = file; |
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316 | head->line = line; |
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317 | head->size = (unsigned short)size; |
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318 | *(long*)((char*)head + sizeof(struct unit_head) - sizeof(long) + size) = 0xdeadbeaf; |
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319 | return (char *)head + sizeof(struct unit_head) - sizeof(long); |
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320 | }; |
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321 | |
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322 | void* _mcalloc(size_t num, size_t size, const char *file, int line, const char *func ) |
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323 | { |
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324 | void *p = _mmalloc(num * size,file,line,func); |
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325 | memset(p,0,num * size); |
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326 | return p; |
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327 | } |
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328 | |
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329 | void* _mrealloc(void *memblock, size_t size, const char *file, int line, const char *func ) |
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330 | { |
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331 | size_t old_size; |
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332 | if(memblock == NULL) { |
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333 | return _mmalloc(size,file,line,func); |
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334 | } |
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335 | |
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336 | old_size = ((struct unit_head *)((char *)memblock - sizeof(struct unit_head) + sizeof(long)))->size; |
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337 | if( old_size == 0 ) { |
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338 | old_size = ((struct unit_head_large *)((char *)memblock - sizeof(struct unit_head_large) + sizeof(long)))->size; |
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339 | } |
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340 | if(old_size > size) { |
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341 | // TCYk¬ -> »ÌÜÜÔ·i貫j |
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342 | return memblock; |
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343 | } else { |
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344 | // TCYgå |
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345 | void *p = _mmalloc(size,file,line,func); |
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346 | if(p != NULL) { |
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347 | memcpy(p,memblock,old_size); |
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348 | } |
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349 | _mfree(memblock,file,line,func); |
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350 | return p; |
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351 | } |
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352 | } |
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353 | |
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354 | char* _mstrdup(const char *p, const char *file, int line, const char *func ) |
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355 | { |
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356 | if(p == NULL) { |
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357 | return NULL; |
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358 | } else { |
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359 | size_t len = strlen(p); |
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360 | char *string = (char *)_mmalloc(len + 1,file,line,func); |
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361 | memcpy(string,p,len+1); |
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362 | return string; |
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363 | } |
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364 | } |
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365 | |
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366 | void _mfree(void *ptr, const char *file, int line, const char *func ) |
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367 | { |
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368 | struct unit_head *head; |
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369 | |
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370 | if (ptr == NULL) |
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371 | return; |
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372 | |
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373 | head = (struct unit_head *)((char *)ptr - sizeof(struct unit_head) + sizeof(long)); |
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374 | if(head->size == 0) { |
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375 | /* malloc() ÅŒÉmÛ³êœÌæ */ |
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376 | struct unit_head_large *head_large = (struct unit_head_large *)((char *)ptr - sizeof(struct unit_head_large) + sizeof(long)); |
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377 | if( |
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378 | *(long*)((char*)head_large + sizeof(struct unit_head_large) - sizeof(long) + head_large->size) |
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379 | != 0xdeadbeaf) |
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380 | { |
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381 | ShowError("Memory manager: args of aFree 0x%p is overflowed pointer %s line %d\n", ptr, file, line); |
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382 | } else { |
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383 | head->size = -1; |
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384 | if(head_large->prev) { |
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385 | head_large->prev->next = head_large->next; |
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386 | } else { |
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387 | unit_head_large_first = head_large->next; |
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388 | } |
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389 | if(head_large->next) { |
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390 | head_large->next->prev = head_large->prev; |
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391 | } |
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392 | memmgr_usage_bytes -= head_large->size; |
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393 | #ifdef DEBUG_MEMMGR |
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394 | // set freed memory to 0xfd |
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395 | memset(ptr, 0xfd, head_large->size); |
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396 | #endif |
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397 | FREE(head_large,file,line,func); |
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398 | } |
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399 | } else { |
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400 | /* jbgðú */ |
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401 | struct block *block = head->block; |
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402 | if( (char*)head - (char*)block > sizeof(struct block) ) { |
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403 | ShowError("Memory manager: args of aFree 0x%p is invalid pointer %s line %d\n", ptr, file, line); |
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404 | } else if(head->block == NULL) { |
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405 | ShowError("Memory manager: args of aFree 0x%p is freed pointer %s:%d@%s\n", ptr, file, line, func); |
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406 | } else if(*(long*)((char*)head + sizeof(struct unit_head) - sizeof(long) + head->size) != 0xdeadbeaf) { |
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407 | ShowError("Memory manager: args of aFree 0x%p is overflowed pointer %s line %d\n", ptr, file, line); |
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408 | } else { |
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409 | memmgr_usage_bytes -= head->size; |
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410 | head->block = NULL; |
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411 | #ifdef DEBUG_MEMMGR |
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412 | memset(ptr, 0xfd, block->unit_size - sizeof(struct unit_head) + sizeof(long) ); |
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413 | head->file = file; |
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414 | head->line = line; |
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415 | #endif |
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416 | memmgr_assert( block->unit_used > 0 ); |
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417 | if(--block->unit_used == 0) { |
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418 | /* ubNÌðú */ |
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419 | block_free(block); |
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420 | } else { |
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421 | if( block->unfill_prev == NULL) { |
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422 | // unfill XgÉÇÁ |
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423 | if( hash_unfill[ block->unit_hash ] ) { |
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424 | hash_unfill[ block->unit_hash ]->unfill_prev = block; |
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425 | } |
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426 | block->unfill_prev = &block_head; |
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427 | block->unfill_next = hash_unfill[ block->unit_hash ]; |
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428 | hash_unfill[ block->unit_hash ] = block; |
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429 | } |
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430 | head->size = block->unit_unfill; |
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431 | block->unit_unfill = (unsigned short)(((unsigned long)head - (unsigned long)block->data) / block->unit_size); |
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432 | } |
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433 | } |
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434 | } |
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435 | } |
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436 | |
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437 | /* ubNðmÛ·é */ |
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438 | static struct block* block_malloc(unsigned short hash) |
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439 | { |
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440 | int i; |
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441 | struct block *p; |
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442 | if(hash_unfill[0] != NULL) { |
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443 | /* ubNpÌÌæÍmÛÏÝ */ |
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444 | p = hash_unfill[0]; |
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445 | hash_unfill[0] = hash_unfill[0]->unfill_next; |
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446 | } else { |
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447 | /* ubNpÌÌæðVœÉmÛ·é */ |
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448 | p = (struct block*)MALLOC(sizeof(struct block) * (BLOCK_ALLOC), __FILE__, __LINE__, __func__ ); |
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449 | if(p == NULL) { |
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450 | ShowFatalError("Memory manager::block_alloc failed.\n"); |
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451 | exit(EXIT_FAILURE); |
---|
452 | } |
---|
453 | |
---|
454 | if(block_first == NULL) { |
---|
455 | /* ñmÛ */ |
---|
456 | block_first = p; |
---|
457 | } else { |
---|
458 | block_last->block_next = p; |
---|
459 | } |
---|
460 | block_last = &p[BLOCK_ALLOC - 1]; |
---|
461 | block_last->block_next = NULL; |
---|
462 | /* ubNðA³¹é */ |
---|
463 | for(i=0;i<BLOCK_ALLOC;i++) { |
---|
464 | if(i != 0) { |
---|
465 | // p[0] ͱê©çg€ÌÅNÉÍÁŠÈ¢ |
---|
466 | p[i].unfill_next = hash_unfill[0]; |
---|
467 | hash_unfill[0] = &p[i]; |
---|
468 | p[i].unfill_prev = NULL; |
---|
469 | p[i].unit_used = 0; |
---|
470 | } |
---|
471 | if(i != BLOCK_ALLOC -1) { |
---|
472 | p[i].block_next = &p[i+1]; |
---|
473 | } |
---|
474 | } |
---|
475 | } |
---|
476 | |
---|
477 | // unfill ÉÇÁ |
---|
478 | memmgr_assert(hash_unfill[ hash ] == NULL); |
---|
479 | hash_unfill[ hash ] = p; |
---|
480 | p->unfill_prev = &block_head; |
---|
481 | p->unfill_next = NULL; |
---|
482 | p->unit_size = (unsigned short)(hash2size( hash ) + sizeof(struct unit_head)); |
---|
483 | p->unit_hash = hash; |
---|
484 | p->unit_count = BLOCK_DATA_SIZE / p->unit_size; |
---|
485 | p->unit_used = 0; |
---|
486 | p->unit_unfill = 0xFFFF; |
---|
487 | p->unit_maxused = 0; |
---|
488 | #ifdef DEBUG_MEMMGR |
---|
489 | memset( p->data, 0xfd, sizeof(p->data) ); |
---|
490 | #endif |
---|
491 | return p; |
---|
492 | } |
---|
493 | |
---|
494 | static void block_free(struct block* p) |
---|
495 | { |
---|
496 | if( p->unfill_prev ) { |
---|
497 | if( p->unfill_prev == &block_head) { |
---|
498 | hash_unfill[ p->unit_hash ] = p->unfill_next; |
---|
499 | } else { |
---|
500 | p->unfill_prev->unfill_next = p->unfill_next; |
---|
501 | } |
---|
502 | if( p->unfill_next ) { |
---|
503 | p->unfill_next->unfill_prev = p->unfill_prev; |
---|
504 | } |
---|
505 | p->unfill_prev = NULL; |
---|
506 | } |
---|
507 | |
---|
508 | p->unfill_next = hash_unfill[0]; |
---|
509 | hash_unfill[0] = p; |
---|
510 | } |
---|
511 | |
---|
512 | size_t memmgr_usage (void) |
---|
513 | { |
---|
514 | return memmgr_usage_bytes / 1024; |
---|
515 | } |
---|
516 | |
---|
517 | #ifdef LOG_MEMMGR |
---|
518 | static char memmer_logfile[128]; |
---|
519 | static FILE *log_fp; |
---|
520 | |
---|
521 | static void memmgr_log (char *buf) |
---|
522 | { |
---|
523 | if( !log_fp ) |
---|
524 | { |
---|
525 | time_t raw; |
---|
526 | struct tm* t; |
---|
527 | |
---|
528 | log_fp = fopen(memmer_logfile,"at"); |
---|
529 | if (!log_fp) log_fp = stdout; |
---|
530 | |
---|
531 | time(&raw); |
---|
532 | t = localtime(&raw); |
---|
533 | fprintf(log_fp, "\nMemory manager: Memory leaks found at %d/%02d/%02d %02dh%02dm%02ds (Revision %s).\n", |
---|
534 | (t->tm_year+1900), (t->tm_mon+1), t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec, get_svn_revision()); |
---|
535 | } |
---|
536 | fprintf(log_fp, "%s", buf); |
---|
537 | return; |
---|
538 | } |
---|
539 | #endif /* LOG_MEMMGR */ |
---|
540 | |
---|
541 | /// Returns true if the memory location is active. |
---|
542 | /// Active means it is allocated and points to a usable part. |
---|
543 | /// |
---|
544 | /// @param ptr Pointer to the memory |
---|
545 | /// @return true if the memory is active |
---|
546 | bool memmgr_verify(void* ptr) |
---|
547 | { |
---|
548 | struct block* block = block_first; |
---|
549 | struct unit_head_large* large = unit_head_large_first; |
---|
550 | |
---|
551 | if( ptr == NULL ) |
---|
552 | return false;// never valid |
---|
553 | |
---|
554 | // search small blocks |
---|
555 | while( block ) |
---|
556 | { |
---|
557 | if( (char*)ptr >= (char*)block && (char*)ptr < ((char*)block) + sizeof(struct block) ) |
---|
558 | {// found memory block |
---|
559 | if( block->unit_used && (char*)ptr >= block->data ) |
---|
560 | {// memory block is being used and ptr points to a sub-unit |
---|
561 | size_t i = (size_t)((char*)ptr - block->data)/block->unit_size; |
---|
562 | struct unit_head* head = block2unit(block, i); |
---|
563 | if( i < block->unit_maxused && head->block != NULL ) |
---|
564 | {// memory unit is allocated, check if ptr points to the usable part |
---|
565 | return ( (char*)ptr >= ((char*)head) + sizeof(struct unit_head) - sizeof(long) |
---|
566 | && (char*)ptr < ((char*)head) + sizeof(struct unit_head) - sizeof(long) + head->size ); |
---|
567 | } |
---|
568 | } |
---|
569 | return false; |
---|
570 | } |
---|
571 | block = block->block_next; |
---|
572 | } |
---|
573 | |
---|
574 | // search large blocks |
---|
575 | while( large ) |
---|
576 | { |
---|
577 | if( (char*)ptr >= (char*)large && (char*)ptr < ((char*)large) + large->size ) |
---|
578 | {// found memory block, check if ptr points to the usable part |
---|
579 | return ( (char*)ptr >= ((char*)large) + sizeof(struct unit_head_large) - sizeof(long) |
---|
580 | && (char*)ptr < ((char*)large) + sizeof(struct unit_head_large) - sizeof(long) + large->size ); |
---|
581 | } |
---|
582 | large = large->next; |
---|
583 | } |
---|
584 | return false; |
---|
585 | } |
---|
586 | |
---|
587 | static void memmgr_final (void) |
---|
588 | { |
---|
589 | struct block *block = block_first; |
---|
590 | struct unit_head_large *large = unit_head_large_first; |
---|
591 | |
---|
592 | #ifdef LOG_MEMMGR |
---|
593 | int count = 0; |
---|
594 | #endif /* LOG_MEMMGR */ |
---|
595 | |
---|
596 | while (block) { |
---|
597 | if (block->unit_used) { |
---|
598 | int i; |
---|
599 | for (i = 0; i < block->unit_maxused; i++) { |
---|
600 | struct unit_head *head = block2unit(block, i); |
---|
601 | if(head->block != NULL) { |
---|
602 | char* ptr = (char *)head + sizeof(struct unit_head) - sizeof(long); |
---|
603 | #ifdef LOG_MEMMGR |
---|
604 | char buf[1024]; |
---|
605 | sprintf (buf, |
---|
606 | "%04d : %s line %d size %lu address 0x%p\n", ++count, |
---|
607 | head->file, head->line, (unsigned long)head->size, ptr); |
---|
608 | memmgr_log (buf); |
---|
609 | #endif /* LOG_MEMMGR */ |
---|
610 | // get block pointer and free it [celest] |
---|
611 | _mfree(ptr, ALC_MARK); |
---|
612 | } |
---|
613 | } |
---|
614 | } |
---|
615 | block = block->block_next; |
---|
616 | } |
---|
617 | |
---|
618 | while(large) { |
---|
619 | struct unit_head_large *large2; |
---|
620 | #ifdef LOG_MEMMGR |
---|
621 | char buf[1024]; |
---|
622 | sprintf (buf, |
---|
623 | "%04d : %s line %d size %lu address 0x%p\n", ++count, |
---|
624 | large->unit_head.file, large->unit_head.line, (unsigned long)large->size, &large->unit_head.checksum); |
---|
625 | memmgr_log (buf); |
---|
626 | #endif /* LOG_MEMMGR */ |
---|
627 | large2 = large->next; |
---|
628 | FREE(large,file,line,func); |
---|
629 | large = large2; |
---|
630 | } |
---|
631 | #ifdef LOG_MEMMGR |
---|
632 | if(count == 0) { |
---|
633 | ShowInfo("Memory manager: No memory leaks found.\n"); |
---|
634 | } else { |
---|
635 | ShowWarning("Memory manager: Memory leaks found and fixed.\n"); |
---|
636 | fclose(log_fp); |
---|
637 | } |
---|
638 | #endif /* LOG_MEMMGR */ |
---|
639 | return; |
---|
640 | } |
---|
641 | |
---|
642 | static void memmgr_init (void) |
---|
643 | { |
---|
644 | #ifdef LOG_MEMMGR |
---|
645 | sprintf(memmer_logfile, "log/%s.leaks", SERVER_NAME); |
---|
646 | ShowStatus("Memory manager initialised: "CL_WHITE"%s"CL_RESET"\n", memmer_logfile); |
---|
647 | memset(hash_unfill, 0, sizeof(hash_unfill)); |
---|
648 | #endif /* LOG_MEMMGR */ |
---|
649 | return; |
---|
650 | } |
---|
651 | #endif /* USE_MEMMGR */ |
---|
652 | |
---|
653 | |
---|
654 | /*====================================== |
---|
655 | * Initialise |
---|
656 | *-------------------------------------- |
---|
657 | */ |
---|
658 | |
---|
659 | bool malloc_verify(void* ptr) |
---|
660 | { |
---|
661 | #ifdef USE_MEMMGR |
---|
662 | return memmgr_verify(ptr); |
---|
663 | #else |
---|
664 | return true; |
---|
665 | #endif |
---|
666 | } |
---|
667 | |
---|
668 | size_t malloc_usage (void) |
---|
669 | { |
---|
670 | #ifdef USE_MEMMGR |
---|
671 | return memmgr_usage (); |
---|
672 | #else |
---|
673 | return 0; |
---|
674 | #endif |
---|
675 | } |
---|
676 | |
---|
677 | void malloc_final (void) |
---|
678 | { |
---|
679 | #ifdef USE_MEMMGR |
---|
680 | memmgr_final (); |
---|
681 | #endif |
---|
682 | return; |
---|
683 | } |
---|
684 | |
---|
685 | void malloc_init (void) |
---|
686 | { |
---|
687 | #ifdef USE_MEMMGR |
---|
688 | memmgr_init (); |
---|
689 | #endif |
---|
690 | return; |
---|
691 | } |
---|