aboutsummaryrefslogtreecommitdiff
path: root/lib/sqfs/xattr/xattr_writer.c
diff options
context:
space:
mode:
authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2023-01-31 11:21:30 +0100
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2023-01-31 13:51:49 +0100
commitcdccc69c62579b0c13b35fad0728079652b8f3c9 (patch)
tree9fa54c710f73c5e08a9c8466e7a712eb63ee07ac /lib/sqfs/xattr/xattr_writer.c
parent2182129c8f359c4fa1390eaba7a65b595ccd4182 (diff)
Move library source into src sub-directory
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/sqfs/xattr/xattr_writer.c')
-rw-r--r--lib/sqfs/xattr/xattr_writer.c127
1 files changed, 0 insertions, 127 deletions
diff --git a/lib/sqfs/xattr/xattr_writer.c b/lib/sqfs/xattr/xattr_writer.c
deleted file mode 100644
index 39e1b05..0000000
--- a/lib/sqfs/xattr/xattr_writer.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/* SPDX-License-Identifier: LGPL-3.0-or-later */
-/*
- * xattr_writer.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "xattr_writer.h"
-
-static sqfs_object_t *xattr_writer_copy(const sqfs_object_t *obj)
-{
- const sqfs_xattr_writer_t *xwr = (const sqfs_xattr_writer_t *)obj;
- sqfs_xattr_writer_t *copy;
- kv_block_desc_t *it;
-
- copy = calloc(1, sizeof(*copy));
- if (copy == NULL)
- return NULL;
-
- memcpy(copy, xwr, sizeof(*xwr));
-
- if (str_table_copy(&copy->keys, &xwr->keys))
- goto fail_keys;
-
- if (str_table_copy(&copy->values, &xwr->values))
- goto fail_values;
-
- if (array_init_copy(&copy->kv_pairs, &xwr->kv_pairs))
- goto fail_pairs;
-
- if (rbtree_copy(&xwr->kv_block_tree, &copy->kv_block_tree) != 0)
- goto fail_tree;
-
- for (it = xwr->kv_block_first; it != NULL; it = it->next) {
- rbtree_node_t *n = rbtree_lookup(&copy->kv_block_tree, it);
-
- if (copy->kv_block_last == NULL) {
- copy->kv_block_first = rbtree_node_key(n);
- copy->kv_block_last = copy->kv_block_first;
- } else {
- copy->kv_block_last->next = rbtree_node_key(n);
- copy->kv_block_last = copy->kv_block_last->next;
- }
-
- copy->kv_block_last->next = NULL;
- }
-
- return (sqfs_object_t *)copy;
-fail_tree:
- array_cleanup(&copy->kv_pairs);
-fail_pairs:
- str_table_cleanup(&copy->values);
-fail_values:
- str_table_cleanup(&copy->keys);
-fail_keys:
- free(copy);
- return NULL;
-}
-
-static void xattr_writer_destroy(sqfs_object_t *obj)
-{
- sqfs_xattr_writer_t *xwr = (sqfs_xattr_writer_t *)obj;
-
- rbtree_cleanup(&xwr->kv_block_tree);
- array_cleanup(&xwr->kv_pairs);
- str_table_cleanup(&xwr->values);
- str_table_cleanup(&xwr->keys);
- free(xwr);
-}
-
-static int block_compare(const void *context,
- const void *lhs, const void *rhs)
-{
- const sqfs_xattr_writer_t *xwr = context;
- const kv_block_desc_t *l = lhs, *r = rhs;
-
- if (l->count != r->count)
- return l->count < r->count ? -1 : 1;
-
- if (l->start == r->start)
- return 0;
-
- return memcmp((sqfs_u64 *)xwr->kv_pairs.data + l->start,
- (sqfs_u64 *)xwr->kv_pairs.data + r->start,
- l->count * xwr->kv_pairs.size);
-}
-
-sqfs_xattr_writer_t *sqfs_xattr_writer_create(sqfs_u32 flags)
-{
- sqfs_xattr_writer_t *xwr;
-
- if (flags != 0)
- return NULL;
-
- xwr = calloc(1, sizeof(*xwr));
- if (xwr == NULL)
- return NULL;
-
- sqfs_object_init(xwr, xattr_writer_destroy, xattr_writer_copy);
-
- if (str_table_init(&xwr->keys))
- goto fail_keys;
-
- if (str_table_init(&xwr->values))
- goto fail_values;
-
- if (array_init(&xwr->kv_pairs, sizeof(sqfs_u64),
- XATTR_INITIAL_PAIR_CAP)) {
- goto fail_pairs;
- }
-
- if (rbtree_init(&xwr->kv_block_tree, sizeof(kv_block_desc_t),
- sizeof(sqfs_u32), block_compare)) {
- goto fail_tree;
- }
-
- xwr->kv_block_tree.key_context = xwr;
- return xwr;
-fail_tree:
- array_cleanup(&xwr->kv_pairs);
-fail_pairs:
- str_table_cleanup(&xwr->values);
-fail_values:
- str_table_cleanup(&xwr->keys);
-fail_keys:
- free(xwr);
- return NULL;
-}