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| Rev 3307 | Rev 3308 | ||
|---|---|---|---|
| Line 68... | Line 68... | ||
| 68 | #define FAT_DENTRY_UNUSED 0x00 |
68 | #define FAT_DENTRY_UNUSED 0x00 |
| 69 | #define FAT_DENTRY_E5_ESC 0x05 |
69 | #define FAT_DENTRY_E5_ESC 0x05 |
| 70 | #define FAT_DENTRY_DOT 0x2e |
70 | #define FAT_DENTRY_DOT 0x2e |
| 71 | #define FAT_DENTRY_ERASED 0xe5 |
71 | #define FAT_DENTRY_ERASED 0xe5 |
| 72 | 72 | ||
| - | 73 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
|
| - | 74 | ||
| 73 | static void dentry_name_canonify(fat_dentry_t *d, char *buf) |
75 | static void dentry_name_canonify(fat_dentry_t *d, char *buf) |
| 74 | { |
76 | { |
| 75 | int i; |
77 | int i; |
| 76 | 78 | ||
| 77 | for (i = 0; i < FAT_NAME_LEN; i++) { |
79 | for (i = 0; i < FAT_NAME_LEN; i++) { |
| Line 710... | Line 712... | ||
| 710 | { |
712 | { |
| 711 | dev_handle_t dev_handle = (dev_handle_t)IPC_GET_ARG1(*request); |
713 | dev_handle_t dev_handle = (dev_handle_t)IPC_GET_ARG1(*request); |
| 712 | fs_index_t index = (fs_index_t)IPC_GET_ARG2(*request); |
714 | fs_index_t index = (fs_index_t)IPC_GET_ARG2(*request); |
| 713 | off_t pos = (off_t)IPC_GET_ARG3(*request); |
715 | off_t pos = (off_t)IPC_GET_ARG3(*request); |
| 714 | fat_node_t *nodep = (fat_node_t *)fat_node_get(dev_handle, index); |
716 | fat_node_t *nodep = (fat_node_t *)fat_node_get(dev_handle, index); |
| - | 717 | uint16_t bps = fat_bps_get(dev_handle); |
|
| - | 718 | size_t bytes; |
|
| - | 719 | ||
| 715 | if (!nodep) { |
720 | if (!nodep) { |
| 716 | ipc_answer_0(rid, ENOENT); |
721 | ipc_answer_0(rid, ENOENT); |
| 717 | return; |
722 | return; |
| 718 | } |
723 | } |
| 719 | 724 | ||
| Line 725... | Line 730... | ||
| 725 | ipc_answer_0(rid, EINVAL); |
730 | ipc_answer_0(rid, EINVAL); |
| 726 | return; |
731 | return; |
| 727 | } |
732 | } |
| 728 | 733 | ||
| 729 | if (nodep->type == FAT_FILE) { |
734 | if (nodep->type == FAT_FILE) { |
| 730 | /* TODO */ |
735 | block_t *b; |
| - | 736 | ||
| 731 | fat_node_put(nodep); |
737 | bytes = min(len, bps - pos % bps); |
| 732 | ipc_answer_0(callid, ENOTSUP); |
738 | b = fat_block_get(nodep, pos / bps); |
| 733 | ipc_answer_0(rid, ENOTSUP); |
739 | (void) ipc_data_read_finalize(callid, b->data + pos % bps, |
| 734 | return; |
740 | bytes); |
| - | 741 | block_put(b); |
|
| 735 | } else { |
742 | } else { |
| 736 | assert(nodep->type == FAT_DIRECTORY); |
743 | assert(nodep->type == FAT_DIRECTORY); |
| 737 | /* TODO */ |
744 | /* TODO */ |
| 738 | fat_node_put(nodep); |
745 | fat_node_put(nodep); |
| 739 | ipc_answer_0(callid, ENOTSUP); |
746 | ipc_answer_0(callid, ENOTSUP); |
| 740 | ipc_answer_0(rid, ENOTSUP); |
747 | ipc_answer_0(rid, ENOTSUP); |
| 741 | return; |
748 | return; |
| 742 | } |
749 | } |
| 743 | 750 | ||
| 744 | fat_node_put(nodep); |
751 | fat_node_put(nodep); |
| - | 752 | ipc_answer_1(rid, EOK, (ipcarg_t)bytes); |
|
| 745 | } |
753 | } |
| 746 | 754 | ||
| 747 | /** |
755 | /** |
| 748 | * @} |
756 | * @} |
| 749 | */ |
757 | */ |