1 | |
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2 | #include "xcache.h" |
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3 | #include "stack.h" |
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4 | #include "xcache_globals.h" |
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5 | #include "utils.h" |
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6 | #ifdef ZEND_ENGINE_2_1 |
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7 | #include "zend_vm.h" |
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8 | #endif |
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9 | #include "opcode_spec.h" |
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10 | #undef NDEBUG |
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11 | #include "assert.h" |
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12 | |
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13 | #ifndef max |
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14 | #define max(a, b) ((a) < (b) ? (b) : (a)) |
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15 | #endif |
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16 | |
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17 | #ifndef ZEND_VM_SET_OPCODE_HANDLER |
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18 | # define ZEND_VM_SET_OPCODE_HANDLER(opline) do { } while (0) |
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19 | #endif |
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20 | |
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21 | #ifdef ZEND_ENGINE_2_4 |
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22 | # define OP_ZVAL_DTOR(op) do { } while(0) |
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23 | #else |
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24 | # define OP_ZVAL_DTOR(op) do { \ |
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25 | Z_UNSET_ISREF(Z_OP_CONSTANT(op)); \ |
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26 | zval_dtor(&Z_OP_CONSTANT(op)); \ |
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27 | } while(0) |
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28 | #endif |
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29 | xc_compile_result_t *xc_compile_result_init(xc_compile_result_t *cr, /* {{{ */ |
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30 | zend_op_array *op_array, |
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31 | HashTable *function_table, |
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32 | HashTable *class_table) |
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33 | { |
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34 | if (cr) { |
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35 | cr->alloc = 0; |
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36 | } |
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37 | else { |
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38 | cr = emalloc(sizeof(xc_compile_result_t)); |
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39 | cr->alloc = 1; |
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40 | } |
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41 | cr->op_array = op_array; |
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42 | cr->function_table = function_table; |
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43 | cr->class_table = class_table; |
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44 | return cr; |
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45 | } |
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46 | /* }}} */ |
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47 | xc_compile_result_t *xc_compile_result_init_cur(xc_compile_result_t *cr, zend_op_array *op_array TSRMLS_DC) /* {{{ */ |
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48 | { |
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49 | return xc_compile_result_init(cr, op_array, CG(function_table), CG(class_table)); |
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50 | } |
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51 | /* }}} */ |
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52 | void xc_compile_result_free(xc_compile_result_t *cr) /* {{{ */ |
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53 | { |
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54 | if (cr->alloc) { |
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55 | efree(cr); |
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56 | } |
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57 | } |
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58 | /* }}} */ |
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59 | |
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60 | int xc_apply_function(zend_function *zf, apply_func_t applyer TSRMLS_DC) /* {{{ */ |
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61 | { |
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62 | switch (zf->type) { |
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63 | case ZEND_USER_FUNCTION: |
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64 | case ZEND_EVAL_CODE: |
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65 | return applyer(&zf->op_array TSRMLS_CC); |
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66 | break; |
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67 | |
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68 | case ZEND_INTERNAL_FUNCTION: |
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69 | case ZEND_OVERLOADED_FUNCTION: |
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70 | break; |
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71 | |
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72 | EMPTY_SWITCH_DEFAULT_CASE(); |
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73 | } |
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74 | return 0; |
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75 | } |
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76 | /* }}} */ |
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77 | typedef struct { |
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78 | apply_func_t applyer; |
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79 | zend_class_entry *ce; |
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80 | } xc_apply_method_info; |
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81 | int xc_apply_method(zend_function *zf, xc_apply_method_info *mi TSRMLS_DC) /* {{{ */ |
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82 | { |
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83 | /* avoid duplicate apply for shadowed method */ |
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84 | #ifdef ZEND_ENGINE_2 |
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85 | if (mi->ce != zf->common.scope) { |
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86 | /* fprintf(stderr, "avoided duplicate %s\n", zf->common.function_name); */ |
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87 | return 0; |
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88 | } |
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89 | #else |
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90 | char *name = zf->common.function_name; |
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91 | int name_s = strlen(name) + 1; |
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92 | zend_class_entry *ce; |
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93 | zend_function *ptr; |
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94 | |
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95 | for (ce = mi->ce->parent; ce; ce = ce->parent) { |
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96 | if (zend_hash_find(&ce->function_table, name, name_s, (void **) &ptr) == SUCCESS) { |
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97 | if (ptr->op_array.refcount == zf->op_array.refcount) { |
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98 | return 0; |
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99 | } |
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100 | } |
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101 | } |
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102 | #endif |
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103 | return xc_apply_function(zf, mi->applyer TSRMLS_CC); |
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104 | } |
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105 | /* }}} */ |
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106 | #if 0 |
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107 | int xc_apply_class(zend_class_entry *ce, apply_func_t applyer TSRMLS_DC) /* {{{ */ |
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108 | { |
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109 | xc_apply_method_info mi; |
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110 | |
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111 | mi.applyer = applyer; |
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112 | mi.ce = ce; |
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113 | zend_hash_apply_with_argument(&(ce->function_table), (apply_func_arg_t) xc_apply_method, &mi TSRMLS_CC); |
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114 | return 0; |
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115 | } |
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116 | /* }}} */ |
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117 | #endif |
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118 | static int xc_apply_cest(xc_cest_t *cest, apply_func_t applyer TSRMLS_DC) /* {{{ */ |
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119 | { |
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120 | xc_apply_method_info mi; |
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121 | |
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122 | mi.applyer = applyer; |
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123 | mi.ce = CestToCePtr(*cest); |
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124 | zend_hash_apply_with_argument(&(CestToCePtr(*cest)->function_table), (apply_func_arg_t) xc_apply_method, &mi TSRMLS_CC); |
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125 | return 0; |
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126 | } |
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127 | /* }}} */ |
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128 | int xc_apply_op_array(xc_compile_result_t *cr, apply_func_t applyer TSRMLS_DC) /* {{{ */ |
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129 | { |
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130 | zend_hash_apply_with_argument(cr->function_table, (apply_func_arg_t) xc_apply_function, (void *) applyer TSRMLS_CC); |
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131 | zend_hash_apply_with_argument(cr->class_table, (apply_func_arg_t) xc_apply_cest, (void *) applyer TSRMLS_CC); |
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132 | |
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133 | return applyer(cr->op_array TSRMLS_CC); |
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134 | } |
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135 | /* }}} */ |
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136 | int xc_undo_pass_two(zend_op_array *op_array TSRMLS_DC) /* {{{ */ |
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137 | { |
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138 | zend_op *opline, *end; |
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139 | |
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140 | #ifdef ZEND_ENGINE_2_4 |
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141 | if (!(op_array->fn_flags & ZEND_ACC_DONE_PASS_TWO)) { |
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142 | return 0; |
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143 | } |
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144 | #else |
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145 | if (!op_array->done_pass_two) { |
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146 | return 0; |
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147 | } |
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148 | #endif |
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149 | |
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150 | opline = op_array->opcodes; |
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151 | end = opline + op_array->last; |
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152 | while (opline < end) { |
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153 | #ifdef ZEND_ENGINE_2_4 |
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154 | if (opline->op1_type == IS_CONST) { |
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155 | opline->op1.constant = opline->op1.literal - op_array->literals; |
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156 | } |
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157 | if (opline->op2_type == IS_CONST) { |
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158 | opline->op2.constant = opline->op2.literal - op_array->literals; |
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159 | } |
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160 | #endif |
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161 | |
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162 | #ifdef ZEND_ENGINE_2_1 |
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163 | switch (opline->opcode) { |
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164 | #ifdef ZEND_GOTO |
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165 | case ZEND_GOTO: |
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166 | #endif |
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167 | case ZEND_JMP: |
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168 | assert(Z_OP(opline->op1).jmp_addr >= op_array->opcodes && Z_OP(opline->op1).jmp_addr - op_array->opcodes < op_array->last); |
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169 | Z_OP(opline->op1).opline_num = Z_OP(opline->op1).jmp_addr - op_array->opcodes; |
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170 | break; |
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171 | case ZEND_JMPZ: |
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172 | case ZEND_JMPNZ: |
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173 | case ZEND_JMPZ_EX: |
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174 | case ZEND_JMPNZ_EX: |
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175 | #ifdef ZEND_JMP_SET |
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176 | case ZEND_JMP_SET: |
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177 | #endif |
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178 | assert(Z_OP(opline->op2).jmp_addr >= op_array->opcodes && Z_OP(opline->op2).jmp_addr - op_array->opcodes < op_array->last); |
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179 | Z_OP(opline->op2).opline_num = Z_OP(opline->op2).jmp_addr - op_array->opcodes; |
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180 | break; |
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181 | } |
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182 | #endif |
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183 | opline++; |
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184 | } |
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185 | #ifdef ZEND_ENGINE_2_4 |
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186 | op_array->fn_flags &= ~ZEND_ACC_DONE_PASS_TWO; |
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187 | #else |
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188 | op_array->done_pass_two = 0; |
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189 | #endif |
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190 | |
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191 | return 0; |
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192 | } |
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193 | /* }}} */ |
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194 | int xc_redo_pass_two(zend_op_array *op_array TSRMLS_DC) /* {{{ */ |
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195 | { |
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196 | zend_op *opline, *end; |
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197 | #ifdef ZEND_ENGINE_2_4 |
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198 | zend_literal *literal = op_array->literals; |
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199 | #endif |
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200 | |
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201 | #ifdef ZEND_ENGINE_2_4 |
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202 | if ((op_array->fn_flags & ZEND_ACC_DONE_PASS_TWO)) { |
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203 | return 0; |
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204 | } |
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205 | #else |
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206 | if (op_array->done_pass_two) { |
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207 | return 0; |
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208 | } |
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209 | #endif |
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210 | |
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211 | /* |
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212 | op_array->opcodes = (zend_op *) erealloc(op_array->opcodes, sizeof(zend_op)*op_array->last); |
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213 | op_array->size = op_array->last; |
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214 | */ |
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215 | #ifdef ZEND_ENGINE_2_4 |
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216 | if (literal) { |
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217 | zend_literal *end = literal + op_array->last_literal; |
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218 | while (literal < end) { |
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219 | Z_SET_ISREF(literal->constant); |
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220 | Z_SET_REFCOUNT(literal->constant, 2); /* Make sure is_ref won't be reset */ |
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221 | literal++; |
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222 | } |
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223 | } |
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224 | #endif |
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225 | |
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226 | opline = op_array->opcodes; |
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227 | end = opline + op_array->last; |
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228 | while (opline < end) { |
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229 | #ifndef ZEND_ENGINE_2_4 |
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230 | if (Z_OP_TYPE(opline->op1) == IS_CONST) { |
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231 | Z_SET_ISREF(Z_OP_CONSTANT(opline->op1)); |
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232 | Z_SET_REFCOUNT(Z_OP_CONSTANT(opline->op1), 2); /* Make sure is_ref won't be reset */ |
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233 | } |
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234 | if (Z_OP_TYPE(opline->op2) == IS_CONST) { |
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235 | Z_SET_ISREF(Z_OP_CONSTANT(opline->op2)); |
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236 | Z_SET_REFCOUNT(Z_OP_CONSTANT(opline->op2), 2); |
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237 | } |
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238 | #endif |
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239 | #ifdef ZEND_ENGINE_2_1 |
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240 | switch (opline->opcode) { |
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241 | #ifdef ZEND_GOTO |
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242 | case ZEND_GOTO: |
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243 | #endif |
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244 | case ZEND_JMP: |
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245 | assert(Z_OP(opline->op1).opline_num < op_array->last); |
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246 | Z_OP(opline->op1).jmp_addr = op_array->opcodes + Z_OP(opline->op1).opline_num; |
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247 | break; |
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248 | case ZEND_JMPZ: |
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249 | case ZEND_JMPNZ: |
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250 | case ZEND_JMPZ_EX: |
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251 | case ZEND_JMPNZ_EX: |
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252 | #ifdef ZEND_JMP_SET |
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253 | case ZEND_JMP_SET: |
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254 | #endif |
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255 | assert(Z_OP(opline->op2).opline_num < op_array->last); |
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256 | Z_OP(opline->op2).jmp_addr = op_array->opcodes + Z_OP(opline->op2).opline_num; |
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257 | break; |
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258 | } |
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259 | ZEND_VM_SET_OPCODE_HANDLER(opline); |
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260 | #endif |
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261 | opline++; |
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262 | } |
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263 | |
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264 | #ifdef ZEND_ENGINE_2_4 |
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265 | op_array->fn_flags |= ZEND_ACC_DONE_PASS_TWO; |
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266 | #else |
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267 | op_array->done_pass_two = 1; |
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268 | #endif |
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269 | return 0; |
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270 | } |
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271 | /* }}} */ |
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272 | |
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273 | #ifdef HAVE_XCACHE_OPCODE_SPEC_DEF |
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274 | static void xc_fix_opcode_ex_znode(int tofix, xc_op_spec_t spec, Z_OP_TYPEOF_TYPE *op_type, znode_op *op, int type TSRMLS_DC) /* {{{ */ |
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275 | { |
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276 | #ifdef ZEND_ENGINE_2 |
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277 | if ((*op_type != IS_UNUSED && (spec == OPSPEC_UCLASS || spec == OPSPEC_CLASS)) || |
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278 | spec == OPSPEC_FETCH) { |
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279 | if (tofix) { |
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280 | switch (*op_type) { |
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281 | case IS_VAR: |
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282 | case IS_TMP_VAR: |
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283 | break; |
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284 | |
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285 | default: |
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286 | /* TODO: data lost, find a way to keep it */ |
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287 | /* assert(*op_type == IS_CONST); */ |
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288 | *op_type = IS_TMP_VAR; |
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289 | } |
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290 | } |
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291 | } |
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292 | switch (*op_type) { |
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293 | case IS_TMP_VAR: |
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294 | case IS_VAR: |
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295 | if (tofix) { |
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296 | Z_OP(*op).var /= sizeof(temp_variable); |
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297 | } |
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298 | else { |
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299 | Z_OP(*op).var *= sizeof(temp_variable); |
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300 | } |
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301 | } |
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302 | #endif |
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303 | } |
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304 | /* }}} */ |
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305 | |
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306 | static void xc_fix_opcode_ex(zend_op_array *op_array, int tofix TSRMLS_DC) /* {{{ */ |
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307 | { |
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308 | zend_op *opline; |
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309 | zend_uint i; |
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310 | |
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311 | opline = op_array->opcodes; |
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312 | for (i = 0; i < op_array->last; i ++, opline ++) { |
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313 | /* 3rd optimizer may have ... */ |
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314 | if (opline->opcode < xc_get_opcode_spec_count()) { |
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315 | const xc_opcode_spec_t *spec; |
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316 | spec = xc_get_opcode_spec(opline->opcode); |
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317 | |
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318 | xc_fix_opcode_ex_znode(tofix, spec->op1, &Z_OP_TYPE(opline->op1), &opline->op1, 0 TSRMLS_CC); |
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319 | xc_fix_opcode_ex_znode(tofix, spec->op2, &Z_OP_TYPE(opline->op2), &opline->op2, 1 TSRMLS_CC); |
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320 | xc_fix_opcode_ex_znode(tofix, spec->res, &Z_OP_TYPE(opline->result), &opline->result, 2 TSRMLS_CC); |
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321 | } |
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322 | } |
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323 | } |
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324 | /* }}} */ |
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325 | int xc_fix_opcode(zend_op_array *op_array TSRMLS_DC) /* {{{ */ |
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326 | { |
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327 | xc_fix_opcode_ex(op_array, 1 TSRMLS_CC); |
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328 | return 0; |
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329 | } |
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330 | /* }}} */ |
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331 | int xc_undo_fix_opcode(zend_op_array *op_array TSRMLS_DC) /* {{{ */ |
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332 | { |
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333 | xc_fix_opcode_ex(op_array, 0 TSRMLS_CC); |
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334 | |
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335 | return 0; |
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336 | } |
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337 | /* }}} */ |
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338 | #endif |
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339 | |
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340 | int xc_foreach_early_binding_class(zend_op_array *op_array, void (*callback)(zend_op *opline, int oplineno, void *data TSRMLS_DC), void *data TSRMLS_DC) /* {{{ */ |
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341 | { |
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342 | zend_op *opline, *begin, *end, *next = NULL; |
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343 | |
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344 | opline = begin = op_array->opcodes; |
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345 | end = opline + op_array->last; |
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346 | while (opline < end) { |
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347 | switch (opline->opcode) { |
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348 | #ifdef ZEND_GOTO |
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349 | case ZEND_GOTO: |
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350 | #endif |
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351 | case ZEND_JMP: |
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352 | next = begin + Z_OP(opline->op1).opline_num; |
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353 | break; |
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354 | |
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355 | case ZEND_JMPZNZ: |
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356 | next = begin + max(Z_OP(opline->op2).opline_num, opline->extended_value); |
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357 | break; |
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358 | |
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359 | case ZEND_JMPZ: |
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360 | case ZEND_JMPNZ: |
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361 | case ZEND_JMPZ_EX: |
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362 | case ZEND_JMPNZ_EX: |
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363 | #ifdef ZEND_JMP_SET |
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364 | case ZEND_JMP_SET: |
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365 | #endif |
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366 | next = begin + Z_OP(opline->op2).opline_num; |
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367 | break; |
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368 | |
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369 | case ZEND_RETURN: |
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370 | opline = end; |
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371 | break; |
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372 | |
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373 | #ifdef ZEND_ENGINE_2 |
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374 | case ZEND_DECLARE_INHERITED_CLASS: |
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375 | callback(opline, opline - begin, data TSRMLS_CC); |
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376 | break; |
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377 | #else |
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378 | case ZEND_DECLARE_FUNCTION_OR_CLASS: |
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379 | if (opline->extended_value == ZEND_DECLARE_INHERITED_CLASS) { |
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380 | callback(opline, opline - begin, data TSRMLS_CC); |
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381 | } |
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382 | break; |
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383 | #endif |
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384 | } |
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385 | |
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386 | if (opline < next) { |
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387 | opline = next; |
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388 | } |
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389 | else { |
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390 | opline ++; |
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391 | } |
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392 | } |
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393 | return SUCCESS; |
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394 | } |
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395 | /* }}} */ |
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396 | #ifndef ZEND_COMPILE_DELAYED_BINDING |
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397 | static int xc_do_early_binding(zend_op_array *op_array, HashTable *class_table, int oplineno TSRMLS_DC) /* {{{ */ |
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398 | { |
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399 | zend_op *opline; |
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400 | |
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401 | TRACE("binding %d", oplineno); |
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402 | assert(oplineno >= 0); |
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403 | |
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404 | /* do early binding */ |
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405 | opline = &(op_array->opcodes[oplineno]); |
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406 | |
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407 | switch (opline->opcode) { |
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408 | #ifdef ZEND_ENGINE_2 |
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409 | case ZEND_DECLARE_INHERITED_CLASS: |
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410 | { |
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411 | zval *parent_name; |
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412 | zend_class_entry **pce; |
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413 | |
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414 | /* don't early-bind classes that implement interfaces */ |
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415 | if ((opline + 1)->opcode == ZEND_FETCH_CLASS && (opline + 2)->opcode == ZEND_ADD_INTERFACE) { |
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416 | return FAILURE; |
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417 | } |
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418 | |
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419 | parent_name = &(Z_OP_CONSTANT((opline - 1)->op2)); |
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420 | TRACE("binding with parent %s", Z_STRVAL_P(parent_name)); |
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421 | if (zend_lookup_class(Z_STRVAL_P(parent_name), Z_STRLEN_P(parent_name), &pce TSRMLS_CC) == FAILURE) { |
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422 | return FAILURE; |
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423 | } |
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424 | |
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425 | if (do_bind_inherited_class(opline, class_table, *pce, 1 TSRMLS_CC) == NULL) { |
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426 | return FAILURE; |
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427 | } |
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428 | } |
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429 | |
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430 | /* clear unnecessary ZEND_FETCH_CLASS opcode */ |
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431 | if (opline > op_array->opcodes |
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432 | && (opline - 1)->opcode == ZEND_FETCH_CLASS) { |
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433 | zend_op *fetch_class_opline = opline - 1; |
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434 | |
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435 | TRACE("%s %p", Z_STRVAL(Z_OP_CONSTANT(fetch_class_opline->op2)), Z_STRVAL(Z_OP_CONSTANT(fetch_class_opline->op2))); |
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436 | OP_ZVAL_DTOR(fetch_class_opline->op2); |
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437 | fetch_class_opline->opcode = ZEND_NOP; |
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438 | ZEND_VM_SET_OPCODE_HANDLER(fetch_class_opline); |
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439 | memset(&fetch_class_opline->op1, 0, sizeof(znode)); |
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440 | memset(&fetch_class_opline->op2, 0, sizeof(znode)); |
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441 | SET_UNUSED(fetch_class_opline->op1); |
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442 | SET_UNUSED(fetch_class_opline->op2); |
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443 | SET_UNUSED(fetch_class_opline->result); |
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444 | } |
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445 | |
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446 | /* clear unnecessary ZEND_VERIFY_ABSTRACT_CLASS opcode */ |
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447 | if ((opline + 1)->opcode == ZEND_VERIFY_ABSTRACT_CLASS) { |
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448 | zend_op *abstract_op = opline + 1; |
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449 | memset(abstract_op, 0, sizeof(abstract_op[0])); |
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450 | abstract_op->lineno = 0; |
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451 | SET_UNUSED(abstract_op->op1); |
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452 | SET_UNUSED(abstract_op->op2); |
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453 | SET_UNUSED(abstract_op->result); |
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454 | abstract_op->opcode = ZEND_NOP; |
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455 | ZEND_VM_SET_OPCODE_HANDLER(abstract_op); |
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456 | } |
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457 | #else |
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458 | case ZEND_DECLARE_FUNCTION_OR_CLASS: |
---|
459 | if (do_bind_function_or_class(opline, NULL, class_table, 1) == FAILURE) { |
---|
460 | return FAILURE; |
---|
461 | } |
---|
462 | #endif |
---|
463 | break; |
---|
464 | |
---|
465 | default: |
---|
466 | return FAILURE; |
---|
467 | } |
---|
468 | |
---|
469 | zend_hash_del(class_table, Z_OP_CONSTANT(opline->op1).value.str.val, Z_OP_CONSTANT(opline->op1).value.str.len); |
---|
470 | OP_ZVAL_DTOR(opline->op1); |
---|
471 | OP_ZVAL_DTOR(opline->op2); |
---|
472 | opline->opcode = ZEND_NOP; |
---|
473 | ZEND_VM_SET_OPCODE_HANDLER(opline); |
---|
474 | memset(&opline->op1, 0, sizeof(znode)); |
---|
475 | memset(&opline->op2, 0, sizeof(znode)); |
---|
476 | SET_UNUSED(opline->op1); |
---|
477 | SET_UNUSED(opline->op2); |
---|
478 | return SUCCESS; |
---|
479 | } |
---|
480 | /* }}} */ |
---|
481 | #endif |
---|
482 | |
---|
483 | #ifdef HAVE_XCACHE_CONSTANT |
---|
484 | void xc_install_constant(char *filename, zend_constant *constant, zend_uchar type, zstr key, uint len, ulong h TSRMLS_DC) /* {{{ */ |
---|
485 | { |
---|
486 | if (zend_u_hash_add(EG(zend_constants), type, key, len, |
---|
487 | constant, sizeof(zend_constant), |
---|
488 | NULL |
---|
489 | ) == FAILURE) { |
---|
490 | CG(zend_lineno) = 0; |
---|
491 | #ifdef IS_UNICODE |
---|
492 | zend_error(E_NOTICE, "Constant %R already defined", type, key); |
---|
493 | #else |
---|
494 | zend_error(E_NOTICE, "Constant %s already defined", key); |
---|
495 | #endif |
---|
496 | free(ZSTR_V(constant->name)); |
---|
497 | if (!(constant->flags & CONST_PERSISTENT)) { |
---|
498 | zval_dtor(&constant->value); |
---|
499 | } |
---|
500 | } |
---|
501 | } |
---|
502 | /* }}} */ |
---|
503 | #endif |
---|
504 | void xc_install_function(char *filename, zend_function *func, zend_uchar type, zstr key, uint len, ulong h TSRMLS_DC) /* {{{ */ |
---|
505 | { |
---|
506 | zend_bool istmpkey; |
---|
507 | |
---|
508 | if (func->type == ZEND_USER_FUNCTION) { |
---|
509 | #ifdef IS_UNICODE |
---|
510 | istmpkey = (type == IS_STRING && ZSTR_S(key)[0] == 0) || ZSTR_U(key)[0] == 0; |
---|
511 | #else |
---|
512 | istmpkey = ZSTR_S(key)[0] == 0; |
---|
513 | #endif |
---|
514 | if (istmpkey) { |
---|
515 | zend_u_hash_update(CG(function_table), type, key, len, |
---|
516 | func, sizeof(zend_op_array), |
---|
517 | NULL |
---|
518 | ); |
---|
519 | } |
---|
520 | else if (zend_u_hash_add(CG(function_table), type, key, len, |
---|
521 | func, sizeof(zend_op_array), |
---|
522 | NULL |
---|
523 | ) == FAILURE) { |
---|
524 | CG(zend_lineno) = ZESW(func->op_array.opcodes[0].lineno, func->op_array.line_start); |
---|
525 | #ifdef IS_UNICODE |
---|
526 | zend_error(E_ERROR, "Cannot redeclare %R()", type, key); |
---|
527 | #else |
---|
528 | zend_error(E_ERROR, "Cannot redeclare %s()", key); |
---|
529 | #endif |
---|
530 | } |
---|
531 | } |
---|
532 | } |
---|
533 | /* }}} */ |
---|
534 | ZESW(xc_cest_t *, void) xc_install_class(char *filename, xc_cest_t *cest, int oplineno, zend_uchar type, zstr key, uint len, ulong h TSRMLS_DC) /* {{{ */ |
---|
535 | { |
---|
536 | zend_bool istmpkey; |
---|
537 | zend_class_entry *cep = CestToCePtr(*cest); |
---|
538 | ZESW(void *stored_ce_ptr, NOTHING); |
---|
539 | |
---|
540 | #ifdef IS_UNICODE |
---|
541 | istmpkey = (type == IS_STRING && ZSTR_S(key)[0] == 0) || ZSTR_U(key)[0] == 0; |
---|
542 | #else |
---|
543 | istmpkey = ZSTR_S(key)[0] == 0; |
---|
544 | #endif |
---|
545 | if (istmpkey) { |
---|
546 | zend_u_hash_quick_update(CG(class_table), type, key, len, h, |
---|
547 | cest, sizeof(xc_cest_t), |
---|
548 | ZESW(&stored_ce_ptr, NULL) |
---|
549 | ); |
---|
550 | #ifndef ZEND_COMPILE_DELAYED_BINDING |
---|
551 | if (oplineno != -1) { |
---|
552 | xc_do_early_binding(CG(active_op_array), CG(class_table), oplineno TSRMLS_CC); |
---|
553 | } |
---|
554 | #endif |
---|
555 | } |
---|
556 | else if (zend_u_hash_quick_add(CG(class_table), type, key, len, h, |
---|
557 | cest, sizeof(xc_cest_t), |
---|
558 | ZESW(&stored_ce_ptr, NULL) |
---|
559 | ) == FAILURE) { |
---|
560 | CG(zend_lineno) = ZESW(0, Z_CLASS_INFO(*cep).line_start); |
---|
561 | #ifdef IS_UNICODE |
---|
562 | zend_error(E_ERROR, "Cannot redeclare class %R", type, cep->name); |
---|
563 | #else |
---|
564 | zend_error(E_ERROR, "Cannot redeclare class %s", cep->name); |
---|
565 | #endif |
---|
566 | assert(oplineno == -1); |
---|
567 | } |
---|
568 | ZESW(return (xc_cest_t *) stored_ce_ptr, NOTHING); |
---|
569 | } |
---|
570 | /* }}} */ |
---|
571 | |
---|
572 | /* sandbox {{{ */ |
---|
573 | #undef TG |
---|
574 | #undef OG |
---|
575 | #define TG(x) (sandbox->tmp_##x) |
---|
576 | #define OG(x) (sandbox->orig_##x) |
---|
577 | /* }}} */ |
---|
578 | #ifdef XCACHE_ERROR_CACHING |
---|
579 | static void xc_sandbox_error_cb(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args) /* {{{ */ |
---|
580 | { |
---|
581 | xc_compilererror_t *compilererror; |
---|
582 | xc_sandbox_t *sandbox; |
---|
583 | TSRMLS_FETCH(); |
---|
584 | |
---|
585 | sandbox = (xc_sandbox_t *) XG(sandbox); |
---|
586 | assert(sandbox != NULL); |
---|
587 | switch (type) { |
---|
588 | #ifdef E_STRICT |
---|
589 | case E_STRICT: |
---|
590 | #endif |
---|
591 | #ifdef E_DEPRECATED |
---|
592 | case E_DEPRECATED: |
---|
593 | #endif |
---|
594 | if (sandbox->compilererror_cnt <= sandbox->compilererror_size) { |
---|
595 | if (sandbox->compilererror_size) { |
---|
596 | sandbox->compilererror_size += 16; |
---|
597 | sandbox->compilererrors = erealloc(sandbox->compilererrors, sandbox->compilererror_size * sizeof(sandbox->compilererrors)); |
---|
598 | } |
---|
599 | else { |
---|
600 | sandbox->compilererror_size = 16; |
---|
601 | sandbox->compilererrors = emalloc(sandbox->compilererror_size * sizeof(sandbox->compilererrors)); |
---|
602 | } |
---|
603 | } |
---|
604 | compilererror = &sandbox->compilererrors[sandbox->compilererror_cnt++]; |
---|
605 | compilererror->type = type; |
---|
606 | compilererror->lineno = error_lineno; |
---|
607 | compilererror->error_len = vspprintf(&compilererror->error, 0, format, args); |
---|
608 | break; |
---|
609 | |
---|
610 | default: { |
---|
611 | /* give up, and user handler is not supported in this case */ |
---|
612 | zend_uint i; |
---|
613 | zend_uint orig_lineno = CG(zend_lineno); |
---|
614 | zend_error_cb = sandbox->orig_zend_error_cb; |
---|
615 | |
---|
616 | for (i = 0; i < sandbox->compilererror_cnt; i ++) { |
---|
617 | compilererror = &sandbox->compilererrors[i]; |
---|
618 | CG(zend_lineno) = compilererror->lineno; |
---|
619 | zend_error(type, "%s", compilererror->error); |
---|
620 | } |
---|
621 | CG(zend_lineno) = orig_lineno; |
---|
622 | sandbox->compilererror_cnt = 0; |
---|
623 | |
---|
624 | sandbox->orig_zend_error_cb(type, error_filename, error_lineno, format, args); |
---|
625 | break; |
---|
626 | } |
---|
627 | } |
---|
628 | } |
---|
629 | /* }}} */ |
---|
630 | #endif |
---|
631 | #ifdef ZEND_ENGINE_2_1 |
---|
632 | static zend_bool xc_auto_global_callback(char *name, uint name_len TSRMLS_DC) /* {{{ */ |
---|
633 | { |
---|
634 | return 0; |
---|
635 | } |
---|
636 | /* }}} */ |
---|
637 | static int xc_auto_global_arm(zend_auto_global *auto_global TSRMLS_DC) /* {{{ */ |
---|
638 | { |
---|
639 | if (auto_global->auto_global_callback) { |
---|
640 | auto_global->armed = 1; |
---|
641 | auto_global->auto_global_callback = xc_auto_global_callback; |
---|
642 | } |
---|
643 | else { |
---|
644 | auto_global->armed = 0; |
---|
645 | } |
---|
646 | return ZEND_HASH_APPLY_KEEP; |
---|
647 | } |
---|
648 | /* }}} */ |
---|
649 | #endif |
---|
650 | |
---|
651 | void xc_hash_copy_if(HashTable *target, HashTable *source, copy_ctor_func_t pCopyConstructor, void *tmp, uint size, xc_if_func_t checker) /* {{{ */ |
---|
652 | { |
---|
653 | Bucket *p; |
---|
654 | void *new_entry; |
---|
655 | zend_bool setTargetPointer; |
---|
656 | |
---|
657 | setTargetPointer = !target->pInternalPointer; |
---|
658 | p = source->pListHead; |
---|
659 | while (p) { |
---|
660 | if (checker(p->pData)) { |
---|
661 | if (setTargetPointer && source->pInternalPointer == p) { |
---|
662 | target->pInternalPointer = NULL; |
---|
663 | } |
---|
664 | if (p->nKeyLength) { |
---|
665 | zend_u_hash_quick_update(target, p->key.type, ZSTR(BUCKET_KEY_S(p)), p->nKeyLength, p->h, p->pData, size, &new_entry); |
---|
666 | } else { |
---|
667 | zend_hash_index_update(target, p->h, p->pData, size, &new_entry); |
---|
668 | } |
---|
669 | if (pCopyConstructor) { |
---|
670 | pCopyConstructor(new_entry); |
---|
671 | } |
---|
672 | } |
---|
673 | p = p->pListNext; |
---|
674 | } |
---|
675 | if (!target->pInternalPointer) { |
---|
676 | target->pInternalPointer = target->pListHead; |
---|
677 | } |
---|
678 | } |
---|
679 | /* }}} */ |
---|
680 | #ifdef HAVE_XCACHE_CONSTANT |
---|
681 | static zend_bool xc_is_internal_zend_constant(zend_constant *c) /* {{{ */ |
---|
682 | { |
---|
683 | return (c->flags & CONST_PERSISTENT) ? 1 : 0; |
---|
684 | } |
---|
685 | /* }}} */ |
---|
686 | void xc_zend_constant_ctor(zend_constant *c) /* {{{ */ |
---|
687 | { |
---|
688 | assert((c->flags & CONST_PERSISTENT)); |
---|
689 | ZSTR_U(c->name) = UNISW(zend_strndup, zend_ustrndup)(ZSTR_U(c->name), c->name_len - 1); |
---|
690 | } |
---|
691 | /* }}} */ |
---|
692 | void xc_zend_constant_dtor(zend_constant *c) /* {{{ */ |
---|
693 | { |
---|
694 | free(ZSTR_V(c->name)); |
---|
695 | } |
---|
696 | /* }}} */ |
---|
697 | static void xc_free_zend_constant(zend_constant *c) /* {{{ */ |
---|
698 | { |
---|
699 | if (!(c->flags & CONST_PERSISTENT)) { |
---|
700 | zval_dtor(&c->value); |
---|
701 | } |
---|
702 | free(ZSTR_V(c->name)); |
---|
703 | } |
---|
704 | /* }}} */ |
---|
705 | void xc_copy_internal_zend_constants(HashTable *target, HashTable *source) /* {{{ */ |
---|
706 | { |
---|
707 | zend_constant tmp_const; |
---|
708 | xc_hash_copy_if(target, source, (copy_ctor_func_t) xc_zend_constant_ctor, (void *) &tmp_const, sizeof(zend_constant), (xc_if_func_t) xc_is_internal_zend_constant); |
---|
709 | } |
---|
710 | /* }}} */ |
---|
711 | #endif |
---|
712 | xc_sandbox_t *xc_sandbox_init(xc_sandbox_t *sandbox, char *filename TSRMLS_DC) /* {{{ */ |
---|
713 | { |
---|
714 | HashTable *h; |
---|
715 | |
---|
716 | if (sandbox) { |
---|
717 | memset(sandbox, 0, sizeof(sandbox[0])); |
---|
718 | } |
---|
719 | else { |
---|
720 | ECALLOC_ONE(sandbox); |
---|
721 | sandbox->alloc = 1; |
---|
722 | } |
---|
723 | |
---|
724 | memcpy(&OG(included_files), &EG(included_files), sizeof(EG(included_files))); |
---|
725 | |
---|
726 | #ifdef HAVE_XCACHE_CONSTANT |
---|
727 | OG(zend_constants) = EG(zend_constants); |
---|
728 | EG(zend_constants) = &TG(zend_constants); |
---|
729 | #endif |
---|
730 | |
---|
731 | OG(function_table) = CG(function_table); |
---|
732 | CG(function_table) = &TG(function_table); |
---|
733 | |
---|
734 | OG(class_table) = CG(class_table); |
---|
735 | CG(class_table) = &TG(class_table); |
---|
736 | EG(class_table) = CG(class_table); |
---|
737 | |
---|
738 | #ifdef ZEND_ENGINE_2_1 |
---|
739 | OG(auto_globals) = CG(auto_globals); |
---|
740 | CG(auto_globals) = &TG(auto_globals); |
---|
741 | #endif |
---|
742 | |
---|
743 | TG(included_files) = &EG(included_files); |
---|
744 | |
---|
745 | zend_hash_init_ex(TG(included_files), 5, NULL, NULL, 0, 1); |
---|
746 | #ifdef HAVE_XCACHE_CONSTANT |
---|
747 | h = OG(zend_constants); |
---|
748 | zend_hash_init_ex(&TG(zend_constants), 20, NULL, (dtor_func_t) xc_free_zend_constant, h->persistent, h->bApplyProtection); |
---|
749 | xc_copy_internal_zend_constants(&TG(zend_constants), &XG(internal_constant_table)); |
---|
750 | TG(internal_constant_tail) = TG(zend_constants).pListTail; |
---|
751 | #endif |
---|
752 | h = OG(function_table); |
---|
753 | zend_hash_init_ex(&TG(function_table), 128, NULL, ZEND_FUNCTION_DTOR, h->persistent, h->bApplyProtection); |
---|
754 | { |
---|
755 | zend_function tmp_func; |
---|
756 | zend_hash_copy(&TG(function_table), &XG(internal_function_table), NULL, (void *) &tmp_func, sizeof(tmp_func)); |
---|
757 | } |
---|
758 | TG(internal_function_tail) = TG(function_table).pListTail; |
---|
759 | |
---|
760 | h = OG(class_table); |
---|
761 | zend_hash_init_ex(&TG(class_table), 16, NULL, ZEND_CLASS_DTOR, h->persistent, h->bApplyProtection); |
---|
762 | #if 0 && TODO |
---|
763 | { |
---|
764 | xc_cest_t tmp_cest; |
---|
765 | zend_hash_copy(&TG(class_table), &XG(internal_class_table), NULL, (void *) &tmp_cest, sizeof(tmp_cest)); |
---|
766 | } |
---|
767 | #endif |
---|
768 | TG(internal_class_tail) = TG(class_table).pListTail; |
---|
769 | |
---|
770 | #ifdef ZEND_ENGINE_2_1 |
---|
771 | /* shallow copy, don't destruct */ |
---|
772 | h = OG(auto_globals); |
---|
773 | zend_hash_init_ex(&TG(auto_globals), 8, NULL, NULL, h->persistent, h->bApplyProtection); |
---|
774 | { |
---|
775 | zend_auto_global tmp_autoglobal; |
---|
776 | |
---|
777 | zend_hash_copy(&TG(auto_globals), OG(auto_globals), NULL, (void *) &tmp_autoglobal, sizeof(tmp_autoglobal)); |
---|
778 | zend_hash_apply(&TG(auto_globals), (apply_func_t) xc_auto_global_arm TSRMLS_CC); |
---|
779 | } |
---|
780 | #endif |
---|
781 | |
---|
782 | sandbox->filename = filename; |
---|
783 | |
---|
784 | #ifdef XCACHE_ERROR_CACHING |
---|
785 | sandbox->orig_user_error_handler_error_reporting = EG(user_error_handler_error_reporting); |
---|
786 | EG(user_error_handler_error_reporting) = 0; |
---|
787 | |
---|
788 | sandbox->compilererror_cnt = 0; |
---|
789 | sandbox->compilererror_size = 0; |
---|
790 | sandbox->orig_zend_error_cb = zend_error_cb; |
---|
791 | zend_error_cb = xc_sandbox_error_cb; |
---|
792 | #endif |
---|
793 | |
---|
794 | #ifdef ZEND_COMPILE_IGNORE_INTERNAL_CLASSES |
---|
795 | sandbox->orig_compiler_options = CG(compiler_options); |
---|
796 | /* Using ZEND_COMPILE_IGNORE_INTERNAL_CLASSES for ZEND_FETCH_CLASS_RT_NS_CHECK |
---|
797 | */ |
---|
798 | CG(compiler_options) |= ZEND_COMPILE_IGNORE_INTERNAL_CLASSES | ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION | ZEND_COMPILE_DELAYED_BINDING; |
---|
799 | #endif |
---|
800 | |
---|
801 | XG(sandbox) = (void *) sandbox; |
---|
802 | return sandbox; |
---|
803 | } |
---|
804 | /* }}} */ |
---|
805 | #ifndef ZEND_COMPILE_DELAYED_BINDING |
---|
806 | static void xc_early_binding_cb(zend_op *opline, int oplineno, void *data TSRMLS_DC) /* {{{ */ |
---|
807 | { |
---|
808 | xc_sandbox_t *sandbox = (xc_sandbox_t *) data; |
---|
809 | xc_do_early_binding(CG(active_op_array), OG(class_table), oplineno TSRMLS_CC); |
---|
810 | } |
---|
811 | /* }}} */ |
---|
812 | #endif |
---|
813 | static void xc_sandbox_install(xc_sandbox_t *sandbox, xc_install_action_t install TSRMLS_DC) /* {{{ */ |
---|
814 | { |
---|
815 | zend_uint i; |
---|
816 | Bucket *b; |
---|
817 | |
---|
818 | #ifdef HAVE_XCACHE_CONSTANT |
---|
819 | for (b = TG(zend_constants).pListHead; b != NULL && b != TG(internal_constant_tail); b = b->pListNext) { |
---|
820 | zend_constant *c = (zend_constant*) b->pData; |
---|
821 | xc_free_zend_constant(c); |
---|
822 | } |
---|
823 | |
---|
824 | b = TG(internal_constant_tail) ? TG(internal_constant_tail)->pListNext : TG(zend_constants).pListHead; |
---|
825 | /* install constants */ |
---|
826 | while (b != NULL) { |
---|
827 | zend_constant *c = (zend_constant*) b->pData; |
---|
828 | xc_install_constant(sandbox->filename, c, |
---|
829 | BUCKET_KEY_TYPE(b), ZSTR(BUCKET_KEY_S(b)), b->nKeyLength, b->h TSRMLS_CC); |
---|
830 | b = b->pListNext; |
---|
831 | } |
---|
832 | #endif |
---|
833 | |
---|
834 | b = TG(internal_function_tail) ? TG(internal_function_tail)->pListNext : TG(function_table).pListHead; |
---|
835 | /* install function */ |
---|
836 | while (b != NULL) { |
---|
837 | zend_function *func = (zend_function*) b->pData; |
---|
838 | xc_install_function(sandbox->filename, func, |
---|
839 | BUCKET_KEY_TYPE(b), ZSTR(BUCKET_KEY_S(b)), b->nKeyLength, b->h TSRMLS_CC); |
---|
840 | b = b->pListNext; |
---|
841 | } |
---|
842 | |
---|
843 | b = TG(internal_class_tail) ? TG(internal_class_tail)->pListNext : TG(class_table).pListHead; |
---|
844 | /* install class */ |
---|
845 | while (b != NULL) { |
---|
846 | xc_install_class(sandbox->filename, (xc_cest_t*) b->pData, -1, |
---|
847 | BUCKET_KEY_TYPE(b), ZSTR(BUCKET_KEY_S(b)), b->nKeyLength, b->h TSRMLS_CC); |
---|
848 | b = b->pListNext; |
---|
849 | } |
---|
850 | |
---|
851 | #ifdef ZEND_ENGINE_2_1 |
---|
852 | /* trigger auto_globals jit */ |
---|
853 | for (b = TG(auto_globals).pListHead; b != NULL; b = b->pListNext) { |
---|
854 | zend_auto_global *auto_global = (zend_auto_global *) b->pData; |
---|
855 | /* check if actived */ |
---|
856 | if (auto_global->auto_global_callback && !auto_global->armed) { |
---|
857 | zend_u_is_auto_global(BUCKET_KEY_TYPE(b), ZSTR(BUCKET_KEY_S(b)), auto_global->name_len TSRMLS_CC); |
---|
858 | } |
---|
859 | } |
---|
860 | #endif |
---|
861 | |
---|
862 | if (install != XC_InstallNoBinding) { |
---|
863 | #ifdef ZEND_COMPILE_DELAYED_BINDING |
---|
864 | zend_do_delayed_early_binding(CG(active_op_array) TSRMLS_CC); |
---|
865 | #else |
---|
866 | xc_undo_pass_two(CG(active_op_array) TSRMLS_CC); |
---|
867 | xc_foreach_early_binding_class(CG(active_op_array), xc_early_binding_cb, (void *) sandbox TSRMLS_CC); |
---|
868 | xc_redo_pass_two(CG(active_op_array) TSRMLS_CC); |
---|
869 | #endif |
---|
870 | } |
---|
871 | |
---|
872 | #ifdef XCACHE_ERROR_CACHING |
---|
873 | /* restore trigger errors */ |
---|
874 | for (i = 0; i < sandbox->compilererror_cnt; i ++) { |
---|
875 | xc_compilererror_t *error = &sandbox->compilererrors[i]; |
---|
876 | CG(zend_lineno) = error->lineno; |
---|
877 | zend_error(error->type, "%s", error->error); |
---|
878 | } |
---|
879 | CG(zend_lineno) = 0; |
---|
880 | #endif |
---|
881 | |
---|
882 | i = 1; |
---|
883 | zend_hash_add(&OG(included_files), sandbox->filename, strlen(sandbox->filename) + 1, (void *)&i, sizeof(int), NULL); |
---|
884 | } |
---|
885 | /* }}} */ |
---|
886 | void xc_sandbox_free(xc_sandbox_t *sandbox, xc_install_action_t install TSRMLS_DC) /* {{{ */ |
---|
887 | { |
---|
888 | XG(sandbox) = NULL; |
---|
889 | #ifdef XCACHE_ERROR_CACHING |
---|
890 | EG(user_error_handler_error_reporting) = sandbox->orig_user_error_handler_error_reporting; |
---|
891 | zend_error_cb = sandbox->orig_zend_error_cb; |
---|
892 | #endif |
---|
893 | |
---|
894 | /* restore first first install function/class */ |
---|
895 | #ifdef HAVE_XCACHE_CONSTANT |
---|
896 | EG(zend_constants) = OG(zend_constants); |
---|
897 | #endif |
---|
898 | CG(function_table) = OG(function_table); |
---|
899 | CG(class_table) = OG(class_table); |
---|
900 | EG(class_table) = CG(class_table); |
---|
901 | #ifdef ZEND_ENGINE_2_1 |
---|
902 | CG(auto_globals) = OG(auto_globals); |
---|
903 | #endif |
---|
904 | |
---|
905 | if (install != XC_NoInstall) { |
---|
906 | CG(in_compilation) = 1; |
---|
907 | CG(compiled_filename) = sandbox->filename; |
---|
908 | CG(zend_lineno) = 0; |
---|
909 | xc_sandbox_install(sandbox, install TSRMLS_CC); |
---|
910 | CG(in_compilation) = 0; |
---|
911 | CG(compiled_filename) = NULL; |
---|
912 | |
---|
913 | /* no free as it's installed */ |
---|
914 | #ifdef HAVE_XCACHE_CONSTANT |
---|
915 | TG(zend_constants).pDestructor = NULL; |
---|
916 | #endif |
---|
917 | TG(function_table).pDestructor = NULL; |
---|
918 | TG(class_table).pDestructor = NULL; |
---|
919 | } |
---|
920 | |
---|
921 | /* destroy all the tmp */ |
---|
922 | #ifdef HAVE_XCACHE_CONSTANT |
---|
923 | zend_hash_destroy(&TG(zend_constants)); |
---|
924 | #endif |
---|
925 | zend_hash_destroy(&TG(function_table)); |
---|
926 | zend_hash_destroy(&TG(class_table)); |
---|
927 | #ifdef ZEND_ENGINE_2_1 |
---|
928 | zend_hash_destroy(&TG(auto_globals)); |
---|
929 | #endif |
---|
930 | zend_hash_destroy(TG(included_files)); |
---|
931 | |
---|
932 | /* restore orig here, as EG/CG holded tmp before */ |
---|
933 | memcpy(&EG(included_files), &OG(included_files), sizeof(EG(included_files))); |
---|
934 | |
---|
935 | #ifdef XCACHE_ERROR_CACHING |
---|
936 | if (sandbox->compilererrors) { |
---|
937 | zend_uint i; |
---|
938 | for (i = 0; i < sandbox->compilererror_cnt; i ++) { |
---|
939 | efree(sandbox->compilererrors[i].error); |
---|
940 | } |
---|
941 | efree(sandbox->compilererrors); |
---|
942 | } |
---|
943 | #endif |
---|
944 | |
---|
945 | #ifdef ZEND_COMPILE_IGNORE_INTERNAL_CLASSES |
---|
946 | CG(compiler_options) = sandbox->orig_compiler_options; |
---|
947 | #endif |
---|
948 | |
---|
949 | if (sandbox->alloc) { |
---|
950 | efree(sandbox); |
---|
951 | } |
---|
952 | } |
---|
953 | /* }}} */ |
---|
954 | int xc_vtrace(const char *fmt, va_list args) /* {{{ */ |
---|
955 | { |
---|
956 | return vfprintf(stderr, fmt, args); |
---|
957 | } |
---|
958 | /* }}} */ |
---|
959 | int xc_trace(const char *fmt, ...) /* {{{ */ |
---|
960 | { |
---|
961 | va_list args; |
---|
962 | int ret; |
---|
963 | |
---|
964 | va_start(args, fmt); |
---|
965 | ret = xc_vtrace(fmt, args); |
---|
966 | va_end(args); |
---|
967 | return ret; |
---|
968 | } |
---|
969 | /* }}} */ |
---|
970 | |
---|
971 | #ifndef ZEND_ENGINE_2_3 |
---|
972 | size_t zend_dirname(char *path, size_t len) /* {{{ */ |
---|
973 | { |
---|
974 | php_dirname(path, len); |
---|
975 | return strlen(path); |
---|
976 | } |
---|
977 | /* }}} */ |
---|
978 | |
---|
979 | long zend_atol(const char *str, int str_len) /* {{{ */ |
---|
980 | { |
---|
981 | long retval; |
---|
982 | |
---|
983 | if (!str_len) { |
---|
984 | str_len = strlen(str); |
---|
985 | } |
---|
986 | |
---|
987 | retval = strtol(str, NULL, 0); |
---|
988 | if (str_len > 0) { |
---|
989 | switch (str[str_len - 1]) { |
---|
990 | case 'g': |
---|
991 | case 'G': |
---|
992 | retval *= 1024; |
---|
993 | /* break intentionally missing */ |
---|
994 | case 'm': |
---|
995 | case 'M': |
---|
996 | retval *= 1024; |
---|
997 | /* break intentionally missing */ |
---|
998 | case 'k': |
---|
999 | case 'K': |
---|
1000 | retval *= 1024; |
---|
1001 | break; |
---|
1002 | } |
---|
1003 | } |
---|
1004 | |
---|
1005 | return retval; |
---|
1006 | } |
---|
1007 | /* }}} */ |
---|
1008 | |
---|
1009 | #endif |
---|