Changeset b5085a7 in mainline for uspace/srv/fs/ext2fs/ext2fs_ops.c
- Timestamp:
- 2011-07-04T18:19:22Z (14 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- f7a55f9
- Parents:
- 9e34750 (diff), 4e36219 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
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- 1 edited
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uspace/srv/fs/ext2fs/ext2fs_ops.c
r9e34750 rb5085a7 240 240 } 241 241 242 rc = ext2_directory_iterator_init(&it, fs, eparent->inode_ref );242 rc = ext2_directory_iterator_init(&it, fs, eparent->inode_ref, 0); 243 243 if (rc != EOK) { 244 244 return rc; … … 478 478 } 479 479 480 rc = ext2_directory_iterator_init(&it, fs, enode->inode_ref );480 rc = ext2_directory_iterator_init(&it, fs, enode->inode_ref, 0); 481 481 if (rc != EOK) { 482 482 EXT2FS_DBG("error %u", rc); … … 818 818 { 819 819 ext2_directory_iterator_t it; 820 aoff64_t cur;820 aoff64_t next; 821 821 uint8_t *buf; 822 822 size_t name_size; … … 824 824 bool found = false; 825 825 826 rc = ext2_directory_iterator_init(&it, inst->filesystem, inode_ref );826 rc = ext2_directory_iterator_init(&it, inst->filesystem, inode_ref, pos); 827 827 if (rc != EOK) { 828 828 async_answer_0(callid, rc); … … 831 831 } 832 832 833 /* Find the index we want to read 834 * Note that we need to iterate and count as 835 * the underlying structure is a linked list 836 * Moreover, we want to skip . and .. entries 833 /* Find next interesting directory entry. 834 * We want to skip . and .. entries 837 835 * as these are not used in HelenOS 838 836 */ 839 cur = 0;840 837 while (it.current != NULL) { 841 838 if (it.current->inode == 0) { … … 851 848 } 852 849 853 /* Is this the dir entry we want to read? */ 854 if (cur == pos) { 855 /* The on-disk entry does not contain \0 at the end 856 * end of entry name, so we copy it to new buffer 857 * and add the \0 at the end 858 */ 859 buf = malloc(name_size+1); 860 if (buf == NULL) { 861 ext2_directory_iterator_fini(&it); 862 async_answer_0(callid, ENOMEM); 863 async_answer_0(rid, ENOMEM); 864 return; 865 } 866 memcpy(buf, &it.current->name, name_size); 867 *(buf+name_size) = 0; 868 found = true; 869 (void) async_data_read_finalize(callid, buf, name_size+1); 870 free(buf); 871 break; 872 } 873 cur++; 850 /* The on-disk entry does not contain \0 at the end 851 * end of entry name, so we copy it to new buffer 852 * and add the \0 at the end 853 */ 854 buf = malloc(name_size+1); 855 if (buf == NULL) { 856 ext2_directory_iterator_fini(&it); 857 async_answer_0(callid, ENOMEM); 858 async_answer_0(rid, ENOMEM); 859 return; 860 } 861 memcpy(buf, &it.current->name, name_size); 862 *(buf+name_size) = 0; 863 found = true; 864 (void) async_data_read_finalize(callid, buf, name_size+1); 865 free(buf); 866 break; 874 867 875 868 skip: … … 883 876 } 884 877 878 if (found) { 879 rc = ext2_directory_iterator_next(&it); 880 if (rc != EOK) { 881 async_answer_0(rid, rc); 882 return; 883 } 884 next = it.current_offset; 885 } 886 885 887 rc = ext2_directory_iterator_fini(&it); 886 888 if (rc != EOK) { … … 890 892 891 893 if (found) { 892 async_answer_1(rid, EOK, 1);894 async_answer_1(rid, EOK, next-pos); 893 895 } 894 896 else {
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