X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/0cf90cca0c924622f3fee8d2a3fafa8238363dc6..b1644f824d7f4989a94b8a752aadee26cae25069:/lunaix-os/kernel/fs/iso9660/directory.c diff --git a/lunaix-os/kernel/fs/iso9660/directory.c b/lunaix-os/kernel/fs/iso9660/directory.c index 1d35978..a4dcb10 100644 --- a/lunaix-os/kernel/fs/iso9660/directory.c +++ b/lunaix-os/kernel/fs/iso9660/directory.c @@ -1,12 +1,12 @@ #include -#include +#include "iso9660.h" #include #include #include #include -#include +#include extern struct cake_pile* drec_cache_pile; @@ -47,24 +47,41 @@ iso9660_fill_drecache(struct iso_drecache* cache, } done: - if (!cache->name.len) { - // Load ISO9660 file id if no NM found. - u32_t l = drec->name.len; - while (l < (u32_t)-1 && drec->name.content[l--] != ';') - ; - l = (l + 1) ? l : drec->name.len; - l = MIN(l, ISO9660_IDLEN - 1); - - strncpy(cache->name_val, drec->name.content, l); - cache->name = HSTR(cache->name_val, l); - hstr_rehash(&cache->name, HSTR_FULL_HASH); + if (cache->name.len) { + return; } + + // Load ISO9660 file id if no NM found. + + ; + char name_val = drec->name.content[0]; + u32_t l = drec->name.len; + + if (l == 1 && !name_val) { + cache->name = vfs_dot; + return; + } + + if(l == 1 && name_val == 1) { + cache->name = vfs_ddot; + return; + } + + while (l < (u32_t)-1 && drec->name.content[l--] != ';') + ; + + l = (l + 1) ? l : drec->name.len; + l = MIN(l, ISO9660_IDLEN - 1); + + strncpy(cache->name_val, (const char*)drec->name.content, l); + cache->name = HSTR(cache->name_val, l); + hstr_rehash(&cache->name, HSTR_FULL_HASH); } int iso9660_setup_dnode(struct v_dnode* dnode, struct v_inode* inode) { - if (!(inode->itype & VFS_IFDIR)) { + if (!check_directory_node(inode)) { vfs_assign_inode(dnode, inode); return 0; } @@ -86,7 +103,8 @@ iso9660_setup_dnode(struct v_dnode* dnode, struct v_inode* inode) do { if (blk_offset >= ISO9660_BLKSZ - sizeof(struct iso_drecord)) { current_pos += ISO9660_BLKSZ; - errno = dev->read(dev, records, blk + current_pos, ISO9660_BLKSZ); + errno = + dev->ops.read(dev, records, blk + current_pos, ISO9660_BLKSZ); if (errno < 0) { errno = EIO; goto done; @@ -101,16 +119,11 @@ iso9660_setup_dnode(struct v_dnode* dnode, struct v_inode* inode) break; } - // ignore the '.', '..' as we have built-in support - if (drec->name.len == 1) { - goto cont; - } - struct iso_drecache* cache = cake_grab(drec_cache_pile); iso9660_fill_drecache(cache, drec, mdu->len); llist_append(&isoino->drecaches, &cache->caches); - cont: + blk_offset += mdu->len; } while (current_pos + blk_offset < max_pos); @@ -163,19 +176,20 @@ __get_dtype(struct iso_drecache* pos) int iso9660_readdir(struct v_file* file, struct dir_context* dctx) -{ +{ struct llist_header* lead = file->dnode->data; struct iso_drecache *pos, *n; - u32_t counter = dctx->index - 1; + u32_t counter = 0; llist_for_each(pos, n, lead, caches) { - if (counter == (u32_t)-1 && !(pos->flags & ISO_FHIDDEN)) { + if (counter == file->f_pos && !(pos->flags & ISO_FHIDDEN)) { dctx->read_complete_callback( - dctx, pos->name_val, pos->name.len, __get_dtype(pos)); + dctx, HSTR_VAL(pos->name), HSTR_LEN(pos->name), __get_dtype(pos)); return 1; } - counter--; + counter++; } + return 0; } \ No newline at end of file