Move tree_node_to_inode function to fstree serialization code

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

3 files changed, 106 insertions, 118 deletions

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 <assert.h>
 #include <unistd.h>
 #include <stdlib.h>
+#include <string.h>
 #include <stdio.h>
 
+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 <goliath@infraroot.at>
- */
-#include "config.h"
-
-#include "highlevel.h"
-#include "sqfs/inode.h"
-#include "sqfs/dir.h"
-#include "util.h"
-
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
-
-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;
-}