diff options
Diffstat (limited to 'unpack/tree_node_from_inode.c')
-rw-r--r-- | unpack/tree_node_from_inode.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/unpack/tree_node_from_inode.c b/unpack/tree_node_from_inode.c deleted file mode 100644 index 0fd7da1..0000000 --- a/unpack/tree_node_from_inode.c +++ /dev/null @@ -1,143 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -#include "rdsquashfs.h" - -static size_t compute_size(sqfs_inode_generic_t *inode, const char *name, - size_t block_size) -{ - size_t size = sizeof(tree_node_t) + strlen(name) + 1; - size_t block_count = 0; - - switch (inode->base.type) { - case SQFS_INODE_DIR: - case SQFS_INODE_EXT_DIR: - size += sizeof(dir_info_t); - break; - case SQFS_INODE_FILE: - size += sizeof(file_info_t); - block_count = inode->data.file.file_size / block_size; - break; - case SQFS_INODE_EXT_FILE: - size += sizeof(file_info_t); - block_count = inode->data.file_ext.file_size / block_size; - break; - case SQFS_INODE_SLINK: - case SQFS_INODE_EXT_SLINK: - size += strlen(inode->slink_target) + 1; - break; - default: - break; - } - - return size + block_count * sizeof(uint32_t); -} - -static void copy_block_sizes(sqfs_inode_generic_t *inode, tree_node_t *out, - size_t block_size) -{ - size_t block_count = out->data.file->size / block_size; - - out->name += block_count * sizeof(uint32_t); - - if (block_count) { - memcpy(out->data.file->blocksizes, inode->block_sizes, - block_count * sizeof(uint32_t)); - } -} - -tree_node_t *tree_node_from_inode(sqfs_inode_generic_t *inode, - const id_table_t *idtbl, - const char *name, - size_t block_size) -{ - tree_node_t *out; - - if (inode->base.uid_idx >= idtbl->num_ids) { - fputs("converting inode to fs tree node: UID out of range\n", - stderr); - return NULL; - } - - if (inode->base.gid_idx >= idtbl->num_ids) { - fputs("converting inode to fs tree node: GID out of range\n", - stderr); - return NULL; - } - - out = calloc(1, compute_size(inode, name, block_size)); - if (out == NULL) { - perror("converting inode to fs tree node"); - return NULL; - } - - out->uid = idtbl->ids[inode->base.uid_idx]; - out->gid = idtbl->ids[inode->base.gid_idx]; - out->mode = inode->base.mode; - out->inode_num = inode->base.inode_number; - 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; - out->data.dir->start_block = inode->data.dir.start_block; - out->data.dir->block_offset = inode->data.dir.offset; - 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; - out->data.dir->start_block = inode->data.dir_ext.start_block; - out->data.dir->block_offset = inode->data.dir_ext.offset; - 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, block_size); - 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->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, block_size); - 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; -} |