* 0 entry is free * 1 entry is used * 2 not an entry * */
| 98 | * 2 not an entry |
| 99 | * */ |
| 100 | static int check_FAT_dir_entry(const unsigned char *entry, const unsigned int entry_nr) |
| 101 | { |
| 102 | int i; |
| 103 | if((entry[0xB]&ATTR_EXT_MASK)==ATTR_EXT) |
| 104 | return 1; |
| 105 | /* log_trace("check_FAT_dir_entry %02x\n",*(entry+0)); */ |
| 106 | if(entry[0]==0) |
| 107 | { |
| 108 | for(i=0;i<0x20;i++) |
| 109 | if(entry[i]!='\0') |
| 110 | return 2; |
| 111 | return 0; |
| 112 | } |
| 113 | if(entry[0]==0x20) |
| 114 | return 2; |
| 115 | if(entry[0]==0xE5) |
| 116 | return 1; |
| 117 | if(entry_nr<10 && (entry[0xB]&ATTR_VOLUME)==ATTR_VOLUME) |
| 118 | return 1; |
| 119 | for(i=0;i<8+3;i++) |
| 120 | { |
| 121 | const unsigned char car=entry[i]; |
| 122 | if((car>=0x06 && car<=0x1f)|| |
| 123 | (car>=0x3a && car<=0x3f)|| |
| 124 | (car>='a' && car<='z')) |
| 125 | return 2; |
| 126 | switch(car) |
| 127 | { |
| 128 | case 0x1: |
| 129 | case 0x2: |
| 130 | case 0x3: |
| 131 | case 0x4: |
| 132 | case '"': |
| 133 | case '*': |
| 134 | case '+': |
| 135 | case ',': |
| 136 | case '.': |
| 137 | case '/': |
| 138 | case '[': |
| 139 | case '\\': |
| 140 | case ']': |
| 141 | case '|': |
| 142 | /*log_trace("check_FAT_dir_entry bad %c (%02x)\n",car,car); */ |
| 143 | return 2; |
| 144 | default: |
| 145 | /*log_trace("check_FAT_dir_entry good %c (%02x)\n",car,car); */ |
| 146 | break; |
| 147 | } |
| 148 | } |
| 149 | return 1; |
| 150 | } |
| 151 | |
| 152 | /* */ |
| 153 |
no outgoing calls
no test coverage detected