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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-09-19 14:24:33 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-09-20 03:18:47 +0200
commit03965d76aed3bad803b62bf9a683f0feaa1ae360 (patch)
treec5d21b9ceccb4a8e64268d760e23ac0a93599f71
parent7167e775a60493b322658a482f2a47a8eb1428b5 (diff)
sqfs2tar: pull global state out of recursive tree walking function
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
-rw-r--r--tar/sqfs2tar.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/tar/sqfs2tar.c b/tar/sqfs2tar.c
index c38342c..253e437 100644
--- a/tar/sqfs2tar.c
+++ b/tar/sqfs2tar.c
@@ -81,6 +81,11 @@ static char **subdirs = NULL;
static size_t num_subdirs = 0;
static size_t max_subdirs = 0;
+static fstree_t fs;
+static data_reader_t *data;
+static sqfs_file_t *file;
+static sqfs_super_t super;
+
static void process_args(int argc, char **argv)
{
size_t idx, new_count;
@@ -181,7 +186,7 @@ static int terminate_archive(void)
buffer, sizeof(buffer));
}
-static tar_xattr_t *gen_xattr_list(fstree_t *fs, tree_xattr_t *xattr)
+static tar_xattr_t *gen_xattr_list(tree_xattr_t *xattr)
{
const char *key, *value;
tar_xattr_t *list;
@@ -194,9 +199,9 @@ static tar_xattr_t *gen_xattr_list(fstree_t *fs, tree_xattr_t *xattr)
}
for (i = 0; i < xattr->num_attr; ++i) {
- key = str_table_get_string(&fs->xattr_keys,
+ key = str_table_get_string(&fs.xattr_keys,
xattr->attr[i].key_index);
- value = str_table_get_string(&fs->xattr_values,
+ value = str_table_get_string(&fs.xattr_values,
xattr->attr[i].value_index);
list[i].key = (char *)key;
@@ -212,7 +217,7 @@ static tar_xattr_t *gen_xattr_list(fstree_t *fs, tree_xattr_t *xattr)
return list;
}
-static int write_tree_dfs(fstree_t *fs, tree_node_t *n, data_reader_t *data)
+static int write_tree_dfs(tree_node_t *n)
{
tar_xattr_t *xattr = NULL;
size_t len, name_len;
@@ -247,10 +252,10 @@ static int write_tree_dfs(fstree_t *fs, tree_node_t *n, data_reader_t *data)
memmove(name, name + len + 1, name_len - len);
}
- fstree_node_stat(fs, n, &sb);
+ fstree_node_stat(&fs, n, &sb);
if (!no_xattr && n->xattr != NULL) {
- xattr = gen_xattr_list(fs, n->xattr);
+ xattr = gen_xattr_list(n->xattr);
if (xattr == NULL) {
free(name);
return -1;
@@ -292,7 +297,7 @@ static int write_tree_dfs(fstree_t *fs, tree_node_t *n, data_reader_t *data)
skip_hdr:
if (S_ISDIR(n->mode)) {
for (n = n->data.dir->children; n != NULL; n = n->next) {
- if (write_tree_dfs(fs, n, data))
+ if (write_tree_dfs(n))
return -1;
}
}
@@ -305,11 +310,7 @@ int main(int argc, char **argv)
int rdtree_flags = 0, status = EXIT_FAILURE;
sqfs_compressor_config_t cfg;
sqfs_compressor_t *cmp;
- data_reader_t *data;
- sqfs_file_t *file;
- sqfs_super_t super;
tree_node_t *root;
- fstree_t fs;
size_t i;
process_args(argc, argv);
@@ -369,14 +370,14 @@ int main(int argc, char **argv)
current_subdir = subdirs[i];
- if (write_tree_dfs(&fs, root, data))
+ if (write_tree_dfs(root))
goto out;
}
current_subdir = NULL;
if (num_subdirs == 0) {
- if (write_tree_dfs(&fs, fs.root, data))
+ if (write_tree_dfs(fs.root))
goto out;
}