From ac7484feb984d44fee880bc301122422ed536b25 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Thu, 3 Oct 2019 15:06:17 +0200 Subject: Move tree_node_to_inode function to fstree serialization code Signed-off-by: David Oberhollenzer --- lib/sqfshelper/Makemodule.am | 1 - lib/sqfshelper/serialize_fstree.c | 106 ++++++++++++++++++++++++++++++++ lib/sqfshelper/tree_node_to_inode.c | 117 ------------------------------------ 3 files changed, 106 insertions(+), 118 deletions(-) delete mode 100644 lib/sqfshelper/tree_node_to_inode.c (limited to 'lib/sqfshelper') diff --git a/lib/sqfshelper/Makemodule.am b/lib/sqfshelper/Makemodule.am index 2ae1ac2..62990fa 100644 --- a/lib/sqfshelper/Makemodule.am +++ b/lib/sqfshelper/Makemodule.am @@ -1,6 +1,5 @@ libsqfshelper_a_SOURCES = lib/sqfshelper/serialize_fstree.c libsqfshelper_a_SOURCES += lib/sqfshelper/statistics.c -libsqfshelper_a_SOURCES += lib/sqfshelper/tree_node_to_inode.c libsqfshelper_a_SOURCES += lib/sqfshelper/write_export_table.c libsqfshelper_a_SOURCES += lib/sqfshelper/print_version.c libsqfshelper_a_SOURCES += lib/sqfshelper/inode_stat.c diff --git a/lib/sqfshelper/serialize_fstree.c b/lib/sqfshelper/serialize_fstree.c index 854231c..2786789 100644 --- a/lib/sqfshelper/serialize_fstree.c +++ b/lib/sqfshelper/serialize_fstree.c @@ -7,13 +7,119 @@ #include "config.h" #include "sqfs/meta_writer.h" +#include "sqfs/inode.h" +#include "sqfs/dir.h" + #include "highlevel.h" #include "util.h" +#include #include #include +#include #include +static int get_type(tree_node_t *node) +{ + switch (node->mode & S_IFMT) { + case S_IFSOCK: return SQFS_INODE_SOCKET; + case S_IFIFO: return SQFS_INODE_FIFO; + case S_IFLNK: return SQFS_INODE_SLINK; + case S_IFBLK: return SQFS_INODE_BDEV; + case S_IFCHR: return SQFS_INODE_CDEV; + } + assert(0); +} + +static sqfs_inode_generic_t *tree_node_to_inode(sqfs_id_table_t *idtbl, + tree_node_t *node) +{ + sqfs_inode_generic_t *inode; + sqfs_u16 uid_idx, gid_idx; + size_t extra = 0; + + if (S_ISREG(node->mode)) { + inode = node->data.file.user_ptr; + node->data.file.user_ptr = NULL; + } else { + if (S_ISLNK(node->mode)) + extra = strlen(node->data.slink_target); + + inode = alloc_flex(sizeof(*inode), 1, extra); + if (inode == NULL) { + perror("creating inode from file system tree node"); + return NULL; + } + + if (S_ISLNK(node->mode)) { + inode->slink_target = (char *)inode->extra; + + memcpy(inode->extra, node->data.slink_target, extra); + } + + inode->base.type = get_type(node); + } + + if (sqfs_id_table_id_to_index(idtbl, node->uid, &uid_idx)) + goto fail; + + if (sqfs_id_table_id_to_index(idtbl, node->gid, &gid_idx)) + goto fail; + + if (node->xattr_idx != 0xFFFFFFFF) + sqfs_inode_make_extended(inode); + + inode->base.mode = node->mode; + inode->base.uid_idx = uid_idx; + inode->base.gid_idx = gid_idx; + inode->base.mod_time = node->mod_time; + inode->base.inode_number = node->inode_num; + + switch (inode->base.type) { + case SQFS_INODE_FIFO: + case SQFS_INODE_SOCKET: + inode->data.ipc.nlink = 1; + break; + case SQFS_INODE_EXT_FIFO: + case SQFS_INODE_EXT_SOCKET: + inode->data.ipc_ext.nlink = 1; + inode->data.ipc_ext.xattr_idx = node->xattr_idx; + break; + case SQFS_INODE_SLINK: + inode->data.slink.nlink = 1; + inode->data.slink.target_size = extra; + break; + case SQFS_INODE_EXT_SLINK: + inode->data.slink_ext.nlink = 1; + inode->data.slink_ext.target_size = extra; + inode->data.slink_ext.xattr_idx = node->xattr_idx; + break; + case SQFS_INODE_BDEV: + case SQFS_INODE_CDEV: + inode->data.dev.nlink = 1; + inode->data.dev.devno = node->data.devno; + break; + case SQFS_INODE_EXT_BDEV: + case SQFS_INODE_EXT_CDEV: + inode->data.dev_ext.nlink = 1; + inode->data.dev_ext.devno = node->data.devno; + inode->data.dev_ext.xattr_idx = node->xattr_idx; + break; + case SQFS_INODE_FILE: + break; + case SQFS_INODE_EXT_FILE: + inode->data.file_ext.xattr_idx = node->xattr_idx; + break; + default: + goto fail; + } + + return inode; +fail: + free(inode); + return NULL; +} + static sqfs_inode_generic_t *write_dir_entries(sqfs_dir_writer_t *dirw, tree_node_t *node, sqfs_id_table_t *idtbl) diff --git a/lib/sqfshelper/tree_node_to_inode.c b/lib/sqfshelper/tree_node_to_inode.c deleted file mode 100644 index bafaaf7..0000000 --- a/lib/sqfshelper/tree_node_to_inode.c +++ /dev/null @@ -1,117 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * write_inode.c - * - * Copyright (C) 2019 David Oberhollenzer - */ -#include "config.h" - -#include "highlevel.h" -#include "sqfs/inode.h" -#include "sqfs/dir.h" -#include "util.h" - -#include -#include -#include - -static int get_type(tree_node_t *node) -{ - switch (node->mode & S_IFMT) { - case S_IFSOCK: return SQFS_INODE_SOCKET; - case S_IFIFO: return SQFS_INODE_FIFO; - case S_IFLNK: return SQFS_INODE_SLINK; - case S_IFBLK: return SQFS_INODE_BDEV; - case S_IFCHR: return SQFS_INODE_CDEV; - } - assert(0); -} - -sqfs_inode_generic_t *tree_node_to_inode(sqfs_id_table_t *idtbl, - tree_node_t *node) -{ - sqfs_inode_generic_t *inode; - sqfs_u16 uid_idx, gid_idx; - size_t extra = 0; - - if (S_ISREG(node->mode)) { - inode = node->data.file.user_ptr; - node->data.file.user_ptr = NULL; - } else { - if (S_ISLNK(node->mode)) - extra = strlen(node->data.slink_target); - - inode = alloc_flex(sizeof(*inode), 1, extra); - if (inode == NULL) { - perror("creating inode from file system tree node"); - return NULL; - } - - if (S_ISLNK(node->mode)) { - inode->slink_target = (char *)inode->extra; - - memcpy(inode->extra, node->data.slink_target, extra); - } - - inode->base.type = get_type(node); - } - - if (sqfs_id_table_id_to_index(idtbl, node->uid, &uid_idx)) - goto fail; - - if (sqfs_id_table_id_to_index(idtbl, node->gid, &gid_idx)) - goto fail; - - if (node->xattr_idx != 0xFFFFFFFF) - sqfs_inode_make_extended(inode); - - inode->base.mode = node->mode; - inode->base.uid_idx = uid_idx; - inode->base.gid_idx = gid_idx; - inode->base.mod_time = node->mod_time; - inode->base.inode_number = node->inode_num; - - switch (inode->base.type) { - case SQFS_INODE_FIFO: - case SQFS_INODE_SOCKET: - inode->data.ipc.nlink = 1; - break; - case SQFS_INODE_EXT_FIFO: - case SQFS_INODE_EXT_SOCKET: - inode->data.ipc_ext.nlink = 1; - inode->data.ipc_ext.xattr_idx = node->xattr_idx; - break; - case SQFS_INODE_SLINK: - inode->data.slink.nlink = 1; - inode->data.slink.target_size = extra; - break; - case SQFS_INODE_EXT_SLINK: - inode->data.slink_ext.nlink = 1; - inode->data.slink_ext.target_size = extra; - inode->data.slink_ext.xattr_idx = node->xattr_idx; - break; - case SQFS_INODE_BDEV: - case SQFS_INODE_CDEV: - inode->data.dev.nlink = 1; - inode->data.dev.devno = node->data.devno; - break; - case SQFS_INODE_EXT_BDEV: - case SQFS_INODE_EXT_CDEV: - inode->data.dev_ext.nlink = 1; - inode->data.dev_ext.devno = node->data.devno; - inode->data.dev_ext.xattr_idx = node->xattr_idx; - break; - case SQFS_INODE_FILE: - break; - case SQFS_INODE_EXT_FILE: - inode->data.file_ext.xattr_idx = node->xattr_idx; - break; - default: - goto fail; - } - - return inode; -fail: - free(inode); - return NULL; -} -- cgit v1.2.3