diff options
Diffstat (limited to 'lib/sqfshelper/tree_node_from_inode.c')
-rw-r--r-- | lib/sqfshelper/tree_node_from_inode.c | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/lib/sqfshelper/tree_node_from_inode.c b/lib/sqfshelper/tree_node_from_inode.c deleted file mode 100644 index 3ada722..0000000 --- a/lib/sqfshelper/tree_node_from_inode.c +++ /dev/null @@ -1,141 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * tree_node_from_inode.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "config.h" - -#include "highlevel.h" - -#include <stdlib.h> -#include <string.h> -#include <stdio.h> - -static size_t compute_size(sqfs_inode_generic_t *inode, const char *name) -{ - size_t size = sizeof(tree_node_t) + strlen(name) + 1; - - switch (inode->base.type) { - case SQFS_INODE_DIR: - case SQFS_INODE_EXT_DIR: - size += sizeof(dir_info_t); - break; - case SQFS_INODE_FILE: - case SQFS_INODE_EXT_FILE: - size += sizeof(file_info_t); - size += inode->num_file_blocks * - sizeof(((file_info_t *)0)->block_size[0]); - break; - case SQFS_INODE_SLINK: - case SQFS_INODE_EXT_SLINK: - size += strlen(inode->slink_target) + 1; - break; - default: - break; - } - - return size; -} - -static void copy_block_sizes(sqfs_inode_generic_t *inode, tree_node_t *out) -{ - size_t i; - - out->name += inode->num_file_blocks * - sizeof(out->data.file->block_size[0]); - - for (i = 0; i < inode->num_file_blocks; ++i) - out->data.file->block_size[i] = inode->block_sizes[i]; -} - -tree_node_t *tree_node_from_inode(sqfs_inode_generic_t *inode, - const sqfs_id_table_t *idtbl, - const char *name) -{ - tree_node_t *out; - - out = calloc(1, compute_size(inode, name)); - if (out == NULL) { - perror("converting inode to fs tree node"); - return NULL; - } - - if (sqfs_id_table_index_to_id(idtbl, inode->base.uid_idx, &out->uid)) { - free(out); - return NULL; - } - - if (sqfs_id_table_index_to_id(idtbl, inode->base.gid_idx, &out->gid)) { - free(out); - return NULL; - } - - out->mode = inode->base.mode; - out->inode_num = inode->base.inode_number; - out->mod_time = inode->base.mod_time; - out->name = (char *)out->payload; - - switch (inode->base.type) { - case SQFS_INODE_DIR: - out->data.dir = (dir_info_t *)out->payload; - out->name += sizeof(dir_info_t); - - out->data.dir->size = inode->data.dir.size; - break; - case SQFS_INODE_EXT_DIR: - out->data.dir = (dir_info_t *)out->payload; - out->name += sizeof(dir_info_t); - - out->data.dir->size = inode->data.dir_ext.size; - break; - case SQFS_INODE_FILE: - out->data.file = (file_info_t *)out->payload; - out->name += sizeof(file_info_t); - - out->data.file->size = inode->data.file.file_size; - out->data.file->startblock = inode->data.file.blocks_start; - out->data.file->fragment = inode->data.file.fragment_index; - out->data.file->fragment_offset = - inode->data.file.fragment_offset; - - copy_block_sizes(inode, out); - break; - case SQFS_INODE_EXT_FILE: - out->data.file = (file_info_t *)out->payload; - out->name += sizeof(file_info_t); - - out->data.file->size = inode->data.file_ext.file_size; - out->data.file->sparse = inode->data.file_ext.sparse; - out->data.file->startblock = inode->data.file_ext.blocks_start; - out->data.file->fragment = inode->data.file_ext.fragment_idx; - out->data.file->fragment_offset = - inode->data.file_ext.fragment_offset; - - copy_block_sizes(inode, out); - break; - case SQFS_INODE_SLINK: - case SQFS_INODE_EXT_SLINK: - out->data.slink_target = (char *)out->payload; - strcpy(out->data.slink_target, inode->slink_target); - - out->name = (char *)out->payload + - strlen(inode->slink_target) + 1; - break; - case SQFS_INODE_BDEV: - case SQFS_INODE_CDEV: - out->name = (char *)out->payload; - out->data.devno = inode->data.dev.devno; - break; - case SQFS_INODE_EXT_BDEV: - case SQFS_INODE_EXT_CDEV: - out->name = (char *)out->payload; - out->data.devno = inode->data.dev_ext.devno; - break; - default: - break; - } - - strcpy(out->name, name); - return out; -} |